]> ToastFreeware Gitweb - chrisu/seepark.git/commitdiff
Copied .js und .css files from C3 project (https://github.com/c3js/c3) version 0...
authorPhilipp Spitzer <philipp@spitzer.priv.at>
Wed, 30 May 2018 19:08:45 +0000 (21:08 +0200)
committerPhilipp Spitzer <philipp@spitzer.priv.at>
Wed, 30 May 2018 19:08:45 +0000 (21:08 +0200)
web/static/c3.css [new file with mode: 0644]
web/static/c3.js [new file with mode: 0644]
web/static/c3.min.css [new file with mode: 0644]
web/static/c3.min.js [new file with mode: 0644]

diff --git a/web/static/c3.css b/web/static/c3.css
new file mode 100644 (file)
index 0000000..cb1ae32
--- /dev/null
@@ -0,0 +1,178 @@
+/*-- Chart --*/
+.c3 svg {
+  font: 10px sans-serif;
+  -webkit-tap-highlight-color: transparent; }
+
+.c3 path, .c3 line {
+  fill: none;
+  stroke: #000; }
+
+.c3 text {
+  -webkit-user-select: none;
+  -moz-user-select: none;
+  user-select: none; }
+
+.c3-legend-item-tile,
+.c3-xgrid-focus,
+.c3-ygrid,
+.c3-event-rect,
+.c3-bars path {
+  shape-rendering: crispEdges; }
+
+.c3-chart-arc path {
+  stroke: #fff; }
+
+.c3-chart-arc rect {
+  stroke: white;
+  stroke-width: 1; }
+
+.c3-chart-arc text {
+  fill: #fff;
+  font-size: 13px; }
+
+/*-- Axis --*/
+/*-- Grid --*/
+.c3-grid line {
+  stroke: #aaa; }
+
+.c3-grid text {
+  fill: #aaa; }
+
+.c3-xgrid, .c3-ygrid {
+  stroke-dasharray: 3 3; }
+
+/*-- Text on Chart --*/
+.c3-text.c3-empty {
+  fill: #808080;
+  font-size: 2em; }
+
+/*-- Line --*/
+.c3-line {
+  stroke-width: 1px; }
+
+/*-- Point --*/
+.c3-circle._expanded_ {
+  stroke-width: 1px;
+  stroke: white; }
+
+.c3-selected-circle {
+  fill: white;
+  stroke-width: 2px; }
+
+/*-- Bar --*/
+.c3-bar {
+  stroke-width: 0; }
+
+.c3-bar._expanded_ {
+  fill-opacity: 1;
+  fill-opacity: 0.75; }
+
+/*-- Focus --*/
+.c3-target.c3-focused {
+  opacity: 1; }
+
+.c3-target.c3-focused path.c3-line, .c3-target.c3-focused path.c3-step {
+  stroke-width: 2px; }
+
+.c3-target.c3-defocused {
+  opacity: 0.3 !important; }
+
+/*-- Region --*/
+.c3-region {
+  fill: steelblue;
+  fill-opacity: .1; }
+
+/*-- Brush --*/
+.c3-brush .extent {
+  fill-opacity: .1; }
+
+/*-- Select - Drag --*/
+/*-- Legend --*/
+.c3-legend-item {
+  font-size: 12px; }
+
+.c3-legend-item-hidden {
+  opacity: 0.15; }
+
+.c3-legend-background {
+  opacity: 0.75;
+  fill: white;
+  stroke: lightgray;
+  stroke-width: 1; }
+
+/*-- Title --*/
+.c3-title {
+  font: 14px sans-serif; }
+
+/*-- Tooltip --*/
+.c3-tooltip-container {
+  z-index: 10; }
+
+.c3-tooltip {
+  border-collapse: collapse;
+  border-spacing: 0;
+  background-color: #fff;
+  empty-cells: show;
+  -webkit-box-shadow: 7px 7px 12px -9px #777777;
+  -moz-box-shadow: 7px 7px 12px -9px #777777;
+  box-shadow: 7px 7px 12px -9px #777777;
+  opacity: 0.9; }
+
+.c3-tooltip tr {
+  border: 1px solid #CCC; }
+
+.c3-tooltip th {
+  background-color: #aaa;
+  font-size: 14px;
+  padding: 2px 5px;
+  text-align: left;
+  color: #FFF; }
+
+.c3-tooltip td {
+  font-size: 13px;
+  padding: 3px 6px;
+  background-color: #fff;
+  border-left: 1px dotted #999; }
+
+.c3-tooltip td > span {
+  display: inline-block;
+  width: 10px;
+  height: 10px;
+  margin-right: 6px; }
+
+.c3-tooltip td.value {
+  text-align: right; }
+
+/*-- Area --*/
+.c3-area {
+  stroke-width: 0;
+  opacity: 0.2; }
+
+/*-- Arc --*/
+.c3-chart-arcs-title {
+  dominant-baseline: middle;
+  font-size: 1.3em; }
+
+.c3-chart-arcs .c3-chart-arcs-background {
+  fill: #e0e0e0;
+  stroke: #FFF; }
+
+.c3-chart-arcs .c3-chart-arcs-gauge-unit {
+  fill: #000;
+  font-size: 16px; }
+
+.c3-chart-arcs .c3-chart-arcs-gauge-max {
+  fill: #777; }
+
+.c3-chart-arcs .c3-chart-arcs-gauge-min {
+  fill: #777; }
+
+.c3-chart-arc .c3-gauge-value {
+  fill: #000;
+  /*  font-size: 28px !important;*/ }
+
+.c3-chart-arc.c3-target g path {
+  opacity: 1; }
+
+.c3-chart-arc.c3-target.c3-focused g path {
+  opacity: 1; }
diff --git a/web/static/c3.js b/web/static/c3.js
new file mode 100644 (file)
index 0000000..ff42e0f
--- /dev/null
@@ -0,0 +1,9206 @@
+/* @license C3.js v0.6.1 | (c) C3 Team and other contributors | http://c3js.org/ */
+(function (global, factory) {
+    typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
+    typeof define === 'function' && define.amd ? define(factory) :
+    (global.c3 = factory());
+}(this, (function () { 'use strict';
+
+    var CLASS = {
+        target: 'c3-target',
+        chart: 'c3-chart',
+        chartLine: 'c3-chart-line',
+        chartLines: 'c3-chart-lines',
+        chartBar: 'c3-chart-bar',
+        chartBars: 'c3-chart-bars',
+        chartText: 'c3-chart-text',
+        chartTexts: 'c3-chart-texts',
+        chartArc: 'c3-chart-arc',
+        chartArcs: 'c3-chart-arcs',
+        chartArcsTitle: 'c3-chart-arcs-title',
+        chartArcsBackground: 'c3-chart-arcs-background',
+        chartArcsGaugeUnit: 'c3-chart-arcs-gauge-unit',
+        chartArcsGaugeMax: 'c3-chart-arcs-gauge-max',
+        chartArcsGaugeMin: 'c3-chart-arcs-gauge-min',
+        selectedCircle: 'c3-selected-circle',
+        selectedCircles: 'c3-selected-circles',
+        eventRect: 'c3-event-rect',
+        eventRects: 'c3-event-rects',
+        eventRectsSingle: 'c3-event-rects-single',
+        eventRectsMultiple: 'c3-event-rects-multiple',
+        zoomRect: 'c3-zoom-rect',
+        brush: 'c3-brush',
+        focused: 'c3-focused',
+        defocused: 'c3-defocused',
+        region: 'c3-region',
+        regions: 'c3-regions',
+        title: 'c3-title',
+        tooltipContainer: 'c3-tooltip-container',
+        tooltip: 'c3-tooltip',
+        tooltipName: 'c3-tooltip-name',
+        shape: 'c3-shape',
+        shapes: 'c3-shapes',
+        line: 'c3-line',
+        lines: 'c3-lines',
+        bar: 'c3-bar',
+        bars: 'c3-bars',
+        circle: 'c3-circle',
+        circles: 'c3-circles',
+        arc: 'c3-arc',
+        arcLabelLine: 'c3-arc-label-line',
+        arcs: 'c3-arcs',
+        area: 'c3-area',
+        areas: 'c3-areas',
+        empty: 'c3-empty',
+        text: 'c3-text',
+        texts: 'c3-texts',
+        gaugeValue: 'c3-gauge-value',
+        grid: 'c3-grid',
+        gridLines: 'c3-grid-lines',
+        xgrid: 'c3-xgrid',
+        xgrids: 'c3-xgrids',
+        xgridLine: 'c3-xgrid-line',
+        xgridLines: 'c3-xgrid-lines',
+        xgridFocus: 'c3-xgrid-focus',
+        ygrid: 'c3-ygrid',
+        ygrids: 'c3-ygrids',
+        ygridLine: 'c3-ygrid-line',
+        ygridLines: 'c3-ygrid-lines',
+        axis: 'c3-axis',
+        axisX: 'c3-axis-x',
+        axisXLabel: 'c3-axis-x-label',
+        axisY: 'c3-axis-y',
+        axisYLabel: 'c3-axis-y-label',
+        axisY2: 'c3-axis-y2',
+        axisY2Label: 'c3-axis-y2-label',
+        legendBackground: 'c3-legend-background',
+        legendItem: 'c3-legend-item',
+        legendItemEvent: 'c3-legend-item-event',
+        legendItemTile: 'c3-legend-item-tile',
+        legendItemHidden: 'c3-legend-item-hidden',
+        legendItemFocused: 'c3-legend-item-focused',
+        dragarea: 'c3-dragarea',
+        EXPANDED: '_expanded_',
+        SELECTED: '_selected_',
+        INCLUDED: '_included_'
+    };
+
+    var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) {
+      return typeof obj;
+    } : function (obj) {
+      return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
+    };
+
+    var classCallCheck = function (instance, Constructor) {
+      if (!(instance instanceof Constructor)) {
+        throw new TypeError("Cannot call a class as a function");
+      }
+    };
+
+    var defineProperty = function (obj, key, value) {
+      if (key in obj) {
+        Object.defineProperty(obj, key, {
+          value: value,
+          enumerable: true,
+          configurable: true,
+          writable: true
+        });
+      } else {
+        obj[key] = value;
+      }
+
+      return obj;
+    };
+
+    var inherits = function (subClass, superClass) {
+      if (typeof superClass !== "function" && superClass !== null) {
+        throw new TypeError("Super expression must either be null or a function, not " + typeof superClass);
+      }
+
+      subClass.prototype = Object.create(superClass && superClass.prototype, {
+        constructor: {
+          value: subClass,
+          enumerable: false,
+          writable: true,
+          configurable: true
+        }
+      });
+      if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;
+    };
+
+    var possibleConstructorReturn = function (self, call) {
+      if (!self) {
+        throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
+      }
+
+      return call && (typeof call === "object" || typeof call === "function") ? call : self;
+    };
+
+    var isValue = function isValue(v) {
+        return v || v === 0;
+    };
+    var isFunction = function isFunction(o) {
+        return typeof o === 'function';
+    };
+    var isArray = function isArray(o) {
+        return Array.isArray(o);
+    };
+    var isString = function isString(o) {
+        return typeof o === 'string';
+    };
+    var isUndefined = function isUndefined(v) {
+        return typeof v === 'undefined';
+    };
+    var isDefined = function isDefined(v) {
+        return typeof v !== 'undefined';
+    };
+    var ceil10 = function ceil10(v) {
+        return Math.ceil(v / 10) * 10;
+    };
+    var asHalfPixel = function asHalfPixel(n) {
+        return Math.ceil(n) + 0.5;
+    };
+    var diffDomain = function diffDomain(d) {
+        return d[1] - d[0];
+    };
+    var isEmpty = function isEmpty(o) {
+        return typeof o === 'undefined' || o === null || isString(o) && o.length === 0 || (typeof o === 'undefined' ? 'undefined' : _typeof(o)) === 'object' && Object.keys(o).length === 0;
+    };
+    var notEmpty = function notEmpty(o) {
+        return !c3_chart_internal_fn.isEmpty(o);
+    };
+    var getOption = function getOption(options, key, defaultValue) {
+        return isDefined(options[key]) ? options[key] : defaultValue;
+    };
+    var hasValue = function hasValue(dict, value) {
+        var found = false;
+        Object.keys(dict).forEach(function (key) {
+            if (dict[key] === value) {
+                found = true;
+            }
+        });
+        return found;
+    };
+    var sanitise = function sanitise(str) {
+        return typeof str === 'string' ? str.replace(/</g, '&lt;').replace(/>/g, '&gt;') : str;
+    };
+    var getPathBox = function getPathBox(path) {
+        var box = path.getBoundingClientRect(),
+            items = [path.pathSegList.getItem(0), path.pathSegList.getItem(1)],
+            minX = items[0].x,
+            minY = Math.min(items[0].y, items[1].y);
+        return { x: minX, y: minY, width: box.width, height: box.height };
+    };
+
+    var c3_axis_fn;
+    var c3_axis_internal_fn;
+
+    function AxisInternal(component, params) {
+        var internal = this;
+        internal.component = component;
+        internal.params = params || {};
+
+        internal.d3 = component.d3;
+        internal.scale = internal.d3.scaleLinear();
+        internal.range;
+        internal.orient = "bottom";
+        internal.innerTickSize = 6;
+        internal.outerTickSize = this.params.withOuterTick ? 6 : 0;
+        internal.tickPadding = 3;
+        internal.tickValues = null;
+        internal.tickFormat;
+        internal.tickArguments;
+
+        internal.tickOffset = 0;
+        internal.tickCulling = true;
+        internal.tickCentered;
+        internal.tickTextCharSize;
+        internal.tickTextRotate = internal.params.tickTextRotate;
+        internal.tickLength;
+
+        internal.axis = internal.generateAxis();
+    }
+    c3_axis_internal_fn = AxisInternal.prototype;
+
+    c3_axis_internal_fn.axisX = function (selection, x, tickOffset) {
+        selection.attr("transform", function (d) {
+            return "translate(" + Math.ceil(x(d) + tickOffset) + ", 0)";
+        });
+    };
+    c3_axis_internal_fn.axisY = function (selection, y) {
+        selection.attr("transform", function (d) {
+            return "translate(0," + Math.ceil(y(d)) + ")";
+        });
+    };
+    c3_axis_internal_fn.scaleExtent = function (domain) {
+        var start = domain[0],
+            stop = domain[domain.length - 1];
+        return start < stop ? [start, stop] : [stop, start];
+    };
+    c3_axis_internal_fn.generateTicks = function (scale) {
+        var internal = this;
+        var i,
+            domain,
+            ticks = [];
+        if (scale.ticks) {
+            return scale.ticks.apply(scale, internal.tickArguments);
+        }
+        domain = scale.domain();
+        for (i = Math.ceil(domain[0]); i < domain[1]; i++) {
+            ticks.push(i);
+        }
+        if (ticks.length > 0 && ticks[0] > 0) {
+            ticks.unshift(ticks[0] - (ticks[1] - ticks[0]));
+        }
+        return ticks;
+    };
+    c3_axis_internal_fn.copyScale = function () {
+        var internal = this;
+        var newScale = internal.scale.copy(),
+            domain;
+        if (internal.params.isCategory) {
+            domain = internal.scale.domain();
+            newScale.domain([domain[0], domain[1] - 1]);
+        }
+        return newScale;
+    };
+    c3_axis_internal_fn.textFormatted = function (v) {
+        var internal = this,
+            formatted = internal.tickFormat ? internal.tickFormat(v) : v;
+        return typeof formatted !== 'undefined' ? formatted : '';
+    };
+    c3_axis_internal_fn.updateRange = function () {
+        var internal = this;
+        internal.range = internal.scale.rangeExtent ? internal.scale.rangeExtent() : internal.scaleExtent(internal.scale.range());
+        return internal.range;
+    };
+    c3_axis_internal_fn.updateTickTextCharSize = function (tick) {
+        var internal = this;
+        if (internal.tickTextCharSize) {
+            return internal.tickTextCharSize;
+        }
+        var size = {
+            h: 11.5,
+            w: 5.5
+        };
+        tick.select('text').text(function (d) {
+            return internal.textFormatted(d);
+        }).each(function (d) {
+            var box = this.getBoundingClientRect(),
+                text = internal.textFormatted(d),
+                h = box.height,
+                w = text ? box.width / text.length : undefined;
+            if (h && w) {
+                size.h = h;
+                size.w = w;
+            }
+        }).text('');
+        internal.tickTextCharSize = size;
+        return size;
+    };
+    c3_axis_internal_fn.isVertical = function () {
+        return this.orient === 'left' || this.orient === 'right';
+    };
+    c3_axis_internal_fn.tspanData = function (d, i, scale) {
+        var internal = this;
+        var splitted = internal.params.tickMultiline ? internal.splitTickText(d, scale) : [].concat(internal.textFormatted(d));
+
+        if (internal.params.tickMultiline && internal.params.tickMultilineMax > 0) {
+            splitted = internal.ellipsify(splitted, internal.params.tickMultilineMax);
+        }
+
+        return splitted.map(function (s) {
+            return { index: i, splitted: s, length: splitted.length };
+        });
+    };
+    c3_axis_internal_fn.splitTickText = function (d, scale) {
+        var internal = this,
+            tickText = internal.textFormatted(d),
+            maxWidth = internal.params.tickWidth,
+            subtext,
+            spaceIndex,
+            textWidth,
+            splitted = [];
+
+        if (Object.prototype.toString.call(tickText) === "[object Array]") {
+            return tickText;
+        }
+
+        if (!maxWidth || maxWidth <= 0) {
+            maxWidth = internal.isVertical() ? 95 : internal.params.isCategory ? Math.ceil(scale(1) - scale(0)) - 12 : 110;
+        }
+
+        function split(splitted, text) {
+            spaceIndex = undefined;
+            for (var i = 1; i < text.length; i++) {
+                if (text.charAt(i) === ' ') {
+                    spaceIndex = i;
+                }
+                subtext = text.substr(0, i + 1);
+                textWidth = internal.tickTextCharSize.w * subtext.length;
+                // if text width gets over tick width, split by space index or crrent index
+                if (maxWidth < textWidth) {
+                    return split(splitted.concat(text.substr(0, spaceIndex ? spaceIndex : i)), text.slice(spaceIndex ? spaceIndex + 1 : i));
+                }
+            }
+            return splitted.concat(text);
+        }
+
+        return split(splitted, tickText + "");
+    };
+    c3_axis_internal_fn.ellipsify = function (splitted, max) {
+        if (splitted.length <= max) {
+            return splitted;
+        }
+
+        var ellipsified = splitted.slice(0, max);
+        var remaining = 3;
+        for (var i = max - 1; i >= 0; i--) {
+            var available = ellipsified[i].length;
+
+            ellipsified[i] = ellipsified[i].substr(0, available - remaining).padEnd(available, '.');
+
+            remaining -= available;
+
+            if (remaining <= 0) {
+                break;
+            }
+        }
+
+        return ellipsified;
+    };
+    c3_axis_internal_fn.updateTickLength = function () {
+        var internal = this;
+        internal.tickLength = Math.max(internal.innerTickSize, 0) + internal.tickPadding;
+    };
+    c3_axis_internal_fn.lineY2 = function (d) {
+        var internal = this,
+            tickPosition = internal.scale(d) + (internal.tickCentered ? 0 : internal.tickOffset);
+        return internal.range[0] < tickPosition && tickPosition < internal.range[1] ? internal.innerTickSize : 0;
+    };
+    c3_axis_internal_fn.textY = function () {
+        var internal = this,
+            rotate = internal.tickTextRotate;
+        return rotate ? 11.5 - 2.5 * (rotate / 15) * (rotate > 0 ? 1 : -1) : internal.tickLength;
+    };
+    c3_axis_internal_fn.textTransform = function () {
+        var internal = this,
+            rotate = internal.tickTextRotate;
+        return rotate ? "rotate(" + rotate + ")" : "";
+    };
+    c3_axis_internal_fn.textTextAnchor = function () {
+        var internal = this,
+            rotate = internal.tickTextRotate;
+        return rotate ? rotate > 0 ? "start" : "end" : "middle";
+    };
+    c3_axis_internal_fn.tspanDx = function () {
+        var internal = this,
+            rotate = internal.tickTextRotate;
+        return rotate ? 8 * Math.sin(Math.PI * (rotate / 180)) : 0;
+    };
+    c3_axis_internal_fn.tspanDy = function (d, i) {
+        var internal = this,
+            dy = internal.tickTextCharSize.h;
+        if (i === 0) {
+            if (internal.isVertical()) {
+                dy = -((d.length - 1) * (internal.tickTextCharSize.h / 2) - 3);
+            } else {
+                dy = ".71em";
+            }
+        }
+        return dy;
+    };
+
+    c3_axis_internal_fn.generateAxis = function () {
+        var internal = this,
+            d3 = internal.d3,
+            params = internal.params;
+        function axis(g, transition) {
+            var self;
+            g.each(function () {
+                var g = axis.g = d3.select(this);
+
+                var scale0 = this.__chart__ || internal.scale,
+                    scale1 = this.__chart__ = internal.copyScale();
+
+                var ticksValues = internal.tickValues ? internal.tickValues : internal.generateTicks(scale1),
+                    ticks = g.selectAll(".tick").data(ticksValues, scale1),
+                    tickEnter = ticks.enter().insert("g", ".domain").attr("class", "tick").style("opacity", 1e-6),
+
+                // MEMO: No exit transition. The reason is this transition affects max tick width calculation because old tick will be included in the ticks.
+                tickExit = ticks.exit().remove(),
+                    tickUpdate = ticks.merge(tickEnter),
+                    tickTransform,
+                    tickX,
+                    tickY;
+
+                if (params.isCategory) {
+                    internal.tickOffset = Math.ceil((scale1(1) - scale1(0)) / 2);
+                    tickX = internal.tickCentered ? 0 : internal.tickOffset;
+                    tickY = internal.tickCentered ? internal.tickOffset : 0;
+                } else {
+                    internal.tickOffset = tickX = 0;
+                }
+
+                internal.updateRange();
+                internal.updateTickLength();
+                internal.updateTickTextCharSize(g.select('.tick'));
+
+                var lineUpdate = tickUpdate.select("line").merge(tickEnter.append("line")),
+                    textUpdate = tickUpdate.select("text").merge(tickEnter.append("text"));
+
+                var tspans = tickUpdate.selectAll('text').selectAll('tspan').data(function (d, i) {
+                    return internal.tspanData(d, i, scale1);
+                }),
+                    tspanEnter = tspans.enter().append('tspan'),
+                    tspanUpdate = tspanEnter.merge(tspans).text(function (d) {
+                    return d.splitted;
+                });
+                tspans.exit().remove();
+
+                var path = g.selectAll(".domain").data([0]),
+                    pathUpdate = path.enter().append("path").merge(path).attr("class", "domain");
+
+                // TODO: each attr should be one function and change its behavior by internal.orient, probably
+                switch (internal.orient) {
+                    case "bottom":
+                        {
+                            tickTransform = internal.axisX;
+                            lineUpdate.attr("x1", tickX).attr("x2", tickX).attr("y2", function (d, i) {
+                                return internal.lineY2(d, i);
+                            });
+                            textUpdate.attr("x", 0).attr("y", function (d, i) {
+                                return internal.textY(d, i);
+                            }).attr("transform", function (d, i) {
+                                return internal.textTransform(d, i);
+                            }).style("text-anchor", function (d, i) {
+                                return internal.textTextAnchor(d, i);
+                            });
+                            tspanUpdate.attr('x', 0).attr("dy", function (d, i) {
+                                return internal.tspanDy(d, i);
+                            }).attr('dx', function (d, i) {
+                                return internal.tspanDx(d, i);
+                            });
+                            pathUpdate.attr("d", "M" + internal.range[0] + "," + internal.outerTickSize + "V0H" + internal.range[1] + "V" + internal.outerTickSize);
+                            break;
+                        }
+                    case "top":
+                        {
+                            // TODO: rotated tick text
+                            tickTransform = internal.axisX;
+                            lineUpdate.attr("x1", tickX).attr("x2", tickX).attr("y2", function (d, i) {
+                                return -1 * internal.lineY2(d, i);
+                            });
+                            textUpdate.attr("x", 0).attr("y", function (d, i) {
+                                return -1 * internal.textY(d, i) - (params.isCategory ? 2 : internal.tickLength - 2);
+                            }).attr("transform", function (d, i) {
+                                return internal.textTransform(d, i);
+                            }).style("text-anchor", function (d, i) {
+                                return internal.textTextAnchor(d, i);
+                            });
+                            tspanUpdate.attr('x', 0).attr("dy", function (d, i) {
+                                return internal.tspanDy(d, i);
+                            }).attr('dx', function (d, i) {
+                                return internal.tspanDx(d, i);
+                            });
+                            pathUpdate.attr("d", "M" + internal.range[0] + "," + -internal.outerTickSize + "V0H" + internal.range[1] + "V" + -internal.outerTickSize);
+                            break;
+                        }
+                    case "left":
+                        {
+                            tickTransform = internal.axisY;
+                            lineUpdate.attr("x2", -internal.innerTickSize).attr("y1", tickY).attr("y2", tickY);
+                            textUpdate.attr("x", -internal.tickLength).attr("y", internal.tickOffset).style("text-anchor", "end");
+                            tspanUpdate.attr('x', -internal.tickLength).attr("dy", function (d, i) {
+                                return internal.tspanDy(d, i);
+                            });
+                            pathUpdate.attr("d", "M" + -internal.outerTickSize + "," + internal.range[0] + "H0V" + internal.range[1] + "H" + -internal.outerTickSize);
+                            break;
+                        }
+                    case "right":
+                        {
+                            tickTransform = internal.axisY;
+                            lineUpdate.attr("x2", internal.innerTickSize).attr("y1", tickY).attr("y2", tickY);
+                            textUpdate.attr("x", internal.tickLength).attr("y", internal.tickOffset).style("text-anchor", "start");
+                            tspanUpdate.attr('x', internal.tickLength).attr("dy", function (d, i) {
+                                return internal.tspanDy(d, i);
+                            });
+                            pathUpdate.attr("d", "M" + internal.outerTickSize + "," + internal.range[0] + "H0V" + internal.range[1] + "H" + internal.outerTickSize);
+                            break;
+                        }
+                }
+                if (scale1.rangeBand) {
+                    var x = scale1,
+                        dx = x.rangeBand() / 2;
+                    scale0 = scale1 = function scale1(d) {
+                        return x(d) + dx;
+                    };
+                } else if (scale0.rangeBand) {
+                    scale0 = scale1;
+                } else {
+                    tickExit.call(tickTransform, scale1, internal.tickOffset);
+                }
+                tickEnter.call(tickTransform, scale0, internal.tickOffset);
+                self = (transition ? tickUpdate.transition(transition) : tickUpdate).style('opacity', 1).call(tickTransform, scale1, internal.tickOffset);
+            });
+            return self;
+        }
+        axis.scale = function (x) {
+            if (!arguments.length) {
+                return internal.scale;
+            }
+            internal.scale = x;
+            return axis;
+        };
+        axis.orient = function (x) {
+            if (!arguments.length) {
+                return internal.orient;
+            }
+            internal.orient = x in { top: 1, right: 1, bottom: 1, left: 1 } ? x + "" : "bottom";
+            return axis;
+        };
+        axis.tickFormat = function (format) {
+            if (!arguments.length) {
+                return internal.tickFormat;
+            }
+            internal.tickFormat = format;
+            return axis;
+        };
+        axis.tickCentered = function (isCentered) {
+            if (!arguments.length) {
+                return internal.tickCentered;
+            }
+            internal.tickCentered = isCentered;
+            return axis;
+        };
+        axis.tickOffset = function () {
+            return internal.tickOffset;
+        };
+        axis.tickInterval = function () {
+            var interval, length;
+            if (params.isCategory) {
+                interval = internal.tickOffset * 2;
+            } else {
+                length = axis.g.select('path.domain').node().getTotalLength() - internal.outerTickSize * 2;
+                interval = length / axis.g.selectAll('line').size();
+            }
+            return interval === Infinity ? 0 : interval;
+        };
+        axis.ticks = function () {
+            if (!arguments.length) {
+                return internal.tickArguments;
+            }
+            internal.tickArguments = arguments;
+            return axis;
+        };
+        axis.tickCulling = function (culling) {
+            if (!arguments.length) {
+                return internal.tickCulling;
+            }
+            internal.tickCulling = culling;
+            return axis;
+        };
+        axis.tickValues = function (x) {
+            if (typeof x === 'function') {
+                internal.tickValues = function () {
+                    return x(internal.scale.domain());
+                };
+            } else {
+                if (!arguments.length) {
+                    return internal.tickValues;
+                }
+                internal.tickValues = x;
+            }
+            return axis;
+        };
+        return axis;
+    };
+
+    var Axis = function (_Component) {
+        inherits(Axis, _Component);
+
+        function Axis(owner) {
+            classCallCheck(this, Axis);
+
+            var fn = {
+                fn: c3_axis_fn,
+                internal: {
+                    fn: c3_axis_internal_fn
+                }
+            };
+
+            var _this = possibleConstructorReturn(this, (Axis.__proto__ || Object.getPrototypeOf(Axis)).call(this, owner, 'axis', fn));
+
+            _this.d3 = owner.d3;
+            _this.internal = AxisInternal;
+            return _this;
+        }
+
+        return Axis;
+    }(Component);
+
+    c3_axis_fn = Axis.prototype;
+
+    c3_axis_fn.init = function init() {
+        var $$ = this.owner,
+            config = $$.config,
+            main = $$.main;
+        $$.axes.x = main.append("g").attr("class", CLASS.axis + ' ' + CLASS.axisX).attr("clip-path", config.axis_x_inner ? "" : $$.clipPathForXAxis).attr("transform", $$.getTranslate('x')).style("visibility", config.axis_x_show ? 'visible' : 'hidden');
+        $$.axes.x.append("text").attr("class", CLASS.axisXLabel).attr("transform", config.axis_rotated ? "rotate(-90)" : "").style("text-anchor", this.textAnchorForXAxisLabel.bind(this));
+        $$.axes.y = main.append("g").attr("class", CLASS.axis + ' ' + CLASS.axisY).attr("clip-path", config.axis_y_inner ? "" : $$.clipPathForYAxis).attr("transform", $$.getTranslate('y')).style("visibility", config.axis_y_show ? 'visible' : 'hidden');
+        $$.axes.y.append("text").attr("class", CLASS.axisYLabel).attr("transform", config.axis_rotated ? "" : "rotate(-90)").style("text-anchor", this.textAnchorForYAxisLabel.bind(this));
+
+        $$.axes.y2 = main.append("g").attr("class", CLASS.axis + ' ' + CLASS.axisY2)
+        // clip-path?
+        .attr("transform", $$.getTranslate('y2')).style("visibility", config.axis_y2_show ? 'visible' : 'hidden');
+        $$.axes.y2.append("text").attr("class", CLASS.axisY2Label).attr("transform", config.axis_rotated ? "" : "rotate(-90)").style("text-anchor", this.textAnchorForY2AxisLabel.bind(this));
+    };
+    c3_axis_fn.getXAxis = function getXAxis(scale, orient, tickFormat, tickValues, withOuterTick, withoutTransition, withoutRotateTickText) {
+        var $$ = this.owner,
+            config = $$.config,
+            axisParams = {
+            isCategory: $$.isCategorized(),
+            withOuterTick: withOuterTick,
+            tickMultiline: config.axis_x_tick_multiline,
+            tickMultilineMax: config.axis_x_tick_multiline ? Number(config.axis_x_tick_multilineMax) : 0,
+            tickWidth: config.axis_x_tick_width,
+            tickTextRotate: withoutRotateTickText ? 0 : config.axis_x_tick_rotate,
+            withoutTransition: withoutTransition
+        },
+            axis = new this.internal(this, axisParams).axis.scale(scale).orient(orient);
+
+        if ($$.isTimeSeries() && tickValues && typeof tickValues !== "function") {
+            tickValues = tickValues.map(function (v) {
+                return $$.parseDate(v);
+            });
+        }
+
+        // Set tick
+        axis.tickFormat(tickFormat).tickValues(tickValues);
+        if ($$.isCategorized()) {
+            axis.tickCentered(config.axis_x_tick_centered);
+            if (isEmpty(config.axis_x_tick_culling)) {
+                config.axis_x_tick_culling = false;
+            }
+        }
+
+        return axis;
+    };
+    c3_axis_fn.updateXAxisTickValues = function updateXAxisTickValues(targets, axis) {
+        var $$ = this.owner,
+            config = $$.config,
+            tickValues;
+        if (config.axis_x_tick_fit || config.axis_x_tick_count) {
+            tickValues = this.generateTickValues($$.mapTargetsToUniqueXs(targets), config.axis_x_tick_count, $$.isTimeSeries());
+        }
+        if (axis) {
+            axis.tickValues(tickValues);
+        } else {
+            $$.xAxis.tickValues(tickValues);
+            $$.subXAxis.tickValues(tickValues);
+        }
+        return tickValues;
+    };
+    c3_axis_fn.getYAxis = function getYAxis(scale, orient, tickFormat, tickValues, withOuterTick, withoutTransition, withoutRotateTickText) {
+        var $$ = this.owner,
+            config = $$.config,
+            axisParams = {
+            withOuterTick: withOuterTick,
+            withoutTransition: withoutTransition,
+            tickTextRotate: withoutRotateTickText ? 0 : config.axis_y_tick_rotate
+        },
+            axis = new this.internal(this, axisParams).axis.scale(scale).orient(orient).tickFormat(tickFormat);
+        if ($$.isTimeSeriesY()) {
+            axis.ticks(config.axis_y_tick_time_type, config.axis_y_tick_time_interval);
+        } else {
+            axis.tickValues(tickValues);
+        }
+        return axis;
+    };
+    c3_axis_fn.getId = function getId(id) {
+        var config = this.owner.config;
+        return id in config.data_axes ? config.data_axes[id] : 'y';
+    };
+    c3_axis_fn.getXAxisTickFormat = function getXAxisTickFormat() {
+        // #2251 previously set any negative values to a whole number,
+        // however both should be truncated according to the users format specification
+        var $$ = this.owner,
+            config = $$.config;
+        var format = $$.isTimeSeries() ? $$.defaultAxisTimeFormat : $$.isCategorized() ? $$.categoryName : function (v) {
+            return v;
+        };
+
+        if (config.axis_x_tick_format) {
+            if (isFunction(config.axis_x_tick_format)) {
+                format = config.axis_x_tick_format;
+            } else if ($$.isTimeSeries()) {
+                format = function format(date) {
+                    return date ? $$.axisTimeFormat(config.axis_x_tick_format)(date) : "";
+                };
+            }
+        }
+        return isFunction(format) ? function (v) {
+            return format.call($$, v);
+        } : format;
+    };
+    c3_axis_fn.getTickValues = function getTickValues(tickValues, axis) {
+        return tickValues ? tickValues : axis ? axis.tickValues() : undefined;
+    };
+    c3_axis_fn.getXAxisTickValues = function getXAxisTickValues() {
+        return this.getTickValues(this.owner.config.axis_x_tick_values, this.owner.xAxis);
+    };
+    c3_axis_fn.getYAxisTickValues = function getYAxisTickValues() {
+        return this.getTickValues(this.owner.config.axis_y_tick_values, this.owner.yAxis);
+    };
+    c3_axis_fn.getY2AxisTickValues = function getY2AxisTickValues() {
+        return this.getTickValues(this.owner.config.axis_y2_tick_values, this.owner.y2Axis);
+    };
+    c3_axis_fn.getLabelOptionByAxisId = function getLabelOptionByAxisId(axisId) {
+        var $$ = this.owner,
+            config = $$.config,
+            option;
+        if (axisId === 'y') {
+            option = config.axis_y_label;
+        } else if (axisId === 'y2') {
+            option = config.axis_y2_label;
+        } else if (axisId === 'x') {
+            option = config.axis_x_label;
+        }
+        return option;
+    };
+    c3_axis_fn.getLabelText = function getLabelText(axisId) {
+        var option = this.getLabelOptionByAxisId(axisId);
+        return isString(option) ? option : option ? option.text : null;
+    };
+    c3_axis_fn.setLabelText = function setLabelText(axisId, text) {
+        var $$ = this.owner,
+            config = $$.config,
+            option = this.getLabelOptionByAxisId(axisId);
+        if (isString(option)) {
+            if (axisId === 'y') {
+                config.axis_y_label = text;
+            } else if (axisId === 'y2') {
+                config.axis_y2_label = text;
+            } else if (axisId === 'x') {
+                config.axis_x_label = text;
+            }
+        } else if (option) {
+            option.text = text;
+        }
+    };
+    c3_axis_fn.getLabelPosition = function getLabelPosition(axisId, defaultPosition) {
+        var option = this.getLabelOptionByAxisId(axisId),
+            position = option && (typeof option === 'undefined' ? 'undefined' : _typeof(option)) === 'object' && option.position ? option.position : defaultPosition;
+        return {
+            isInner: position.indexOf('inner') >= 0,
+            isOuter: position.indexOf('outer') >= 0,
+            isLeft: position.indexOf('left') >= 0,
+            isCenter: position.indexOf('center') >= 0,
+            isRight: position.indexOf('right') >= 0,
+            isTop: position.indexOf('top') >= 0,
+            isMiddle: position.indexOf('middle') >= 0,
+            isBottom: position.indexOf('bottom') >= 0
+        };
+    };
+    c3_axis_fn.getXAxisLabelPosition = function getXAxisLabelPosition() {
+        return this.getLabelPosition('x', this.owner.config.axis_rotated ? 'inner-top' : 'inner-right');
+    };
+    c3_axis_fn.getYAxisLabelPosition = function getYAxisLabelPosition() {
+        return this.getLabelPosition('y', this.owner.config.axis_rotated ? 'inner-right' : 'inner-top');
+    };
+    c3_axis_fn.getY2AxisLabelPosition = function getY2AxisLabelPosition() {
+        return this.getLabelPosition('y2', this.owner.config.axis_rotated ? 'inner-right' : 'inner-top');
+    };
+    c3_axis_fn.getLabelPositionById = function getLabelPositionById(id) {
+        return id === 'y2' ? this.getY2AxisLabelPosition() : id === 'y' ? this.getYAxisLabelPosition() : this.getXAxisLabelPosition();
+    };
+    c3_axis_fn.textForXAxisLabel = function textForXAxisLabel() {
+        return this.getLabelText('x');
+    };
+    c3_axis_fn.textForYAxisLabel = function textForYAxisLabel() {
+        return this.getLabelText('y');
+    };
+    c3_axis_fn.textForY2AxisLabel = function textForY2AxisLabel() {
+        return this.getLabelText('y2');
+    };
+    c3_axis_fn.xForAxisLabel = function xForAxisLabel(forHorizontal, position) {
+        var $$ = this.owner;
+        if (forHorizontal) {
+            return position.isLeft ? 0 : position.isCenter ? $$.width / 2 : $$.width;
+        } else {
+            return position.isBottom ? -$$.height : position.isMiddle ? -$$.height / 2 : 0;
+        }
+    };
+    c3_axis_fn.dxForAxisLabel = function dxForAxisLabel(forHorizontal, position) {
+        if (forHorizontal) {
+            return position.isLeft ? "0.5em" : position.isRight ? "-0.5em" : "0";
+        } else {
+            return position.isTop ? "-0.5em" : position.isBottom ? "0.5em" : "0";
+        }
+    };
+    c3_axis_fn.textAnchorForAxisLabel = function textAnchorForAxisLabel(forHorizontal, position) {
+        if (forHorizontal) {
+            return position.isLeft ? 'start' : position.isCenter ? 'middle' : 'end';
+        } else {
+            return position.isBottom ? 'start' : position.isMiddle ? 'middle' : 'end';
+        }
+    };
+    c3_axis_fn.xForXAxisLabel = function xForXAxisLabel() {
+        return this.xForAxisLabel(!this.owner.config.axis_rotated, this.getXAxisLabelPosition());
+    };
+    c3_axis_fn.xForYAxisLabel = function xForYAxisLabel() {
+        return this.xForAxisLabel(this.owner.config.axis_rotated, this.getYAxisLabelPosition());
+    };
+    c3_axis_fn.xForY2AxisLabel = function xForY2AxisLabel() {
+        return this.xForAxisLabel(this.owner.config.axis_rotated, this.getY2AxisLabelPosition());
+    };
+    c3_axis_fn.dxForXAxisLabel = function dxForXAxisLabel() {
+        return this.dxForAxisLabel(!this.owner.config.axis_rotated, this.getXAxisLabelPosition());
+    };
+    c3_axis_fn.dxForYAxisLabel = function dxForYAxisLabel() {
+        return this.dxForAxisLabel(this.owner.config.axis_rotated, this.getYAxisLabelPosition());
+    };
+    c3_axis_fn.dxForY2AxisLabel = function dxForY2AxisLabel() {
+        return this.dxForAxisLabel(this.owner.config.axis_rotated, this.getY2AxisLabelPosition());
+    };
+    c3_axis_fn.dyForXAxisLabel = function dyForXAxisLabel() {
+        var $$ = this.owner,
+            config = $$.config,
+            position = this.getXAxisLabelPosition();
+        if (config.axis_rotated) {
+            return position.isInner ? "1.2em" : -25 - ($$.config.axis_x_inner ? 0 : this.getMaxTickWidth('x'));
+        } else {
+            return position.isInner ? "-0.5em" : config.axis_x_height ? config.axis_x_height - 10 : "3em";
+        }
+    };
+    c3_axis_fn.dyForYAxisLabel = function dyForYAxisLabel() {
+        var $$ = this.owner,
+            position = this.getYAxisLabelPosition();
+        if ($$.config.axis_rotated) {
+            return position.isInner ? "-0.5em" : "3em";
+        } else {
+            return position.isInner ? "1.2em" : -10 - ($$.config.axis_y_inner ? 0 : this.getMaxTickWidth('y') + 10);
+        }
+    };
+    c3_axis_fn.dyForY2AxisLabel = function dyForY2AxisLabel() {
+        var $$ = this.owner,
+            position = this.getY2AxisLabelPosition();
+        if ($$.config.axis_rotated) {
+            return position.isInner ? "1.2em" : "-2.2em";
+        } else {
+            return position.isInner ? "-0.5em" : 15 + ($$.config.axis_y2_inner ? 0 : this.getMaxTickWidth('y2') + 15);
+        }
+    };
+    c3_axis_fn.textAnchorForXAxisLabel = function textAnchorForXAxisLabel() {
+        var $$ = this.owner;
+        return this.textAnchorForAxisLabel(!$$.config.axis_rotated, this.getXAxisLabelPosition());
+    };
+    c3_axis_fn.textAnchorForYAxisLabel = function textAnchorForYAxisLabel() {
+        var $$ = this.owner;
+        return this.textAnchorForAxisLabel($$.config.axis_rotated, this.getYAxisLabelPosition());
+    };
+    c3_axis_fn.textAnchorForY2AxisLabel = function textAnchorForY2AxisLabel() {
+        var $$ = this.owner;
+        return this.textAnchorForAxisLabel($$.config.axis_rotated, this.getY2AxisLabelPosition());
+    };
+    c3_axis_fn.getMaxTickWidth = function getMaxTickWidth(id, withoutRecompute) {
+        var $$ = this.owner,
+            config = $$.config,
+            maxWidth = 0,
+            targetsToShow,
+            scale,
+            axis,
+            dummy,
+            svg;
+        if (withoutRecompute && $$.currentMaxTickWidths[id]) {
+            return $$.currentMaxTickWidths[id];
+        }
+        if ($$.svg) {
+            targetsToShow = $$.filterTargetsToShow($$.data.targets);
+            if (id === 'y') {
+                scale = $$.y.copy().domain($$.getYDomain(targetsToShow, 'y'));
+                axis = this.getYAxis(scale, $$.yOrient, config.axis_y_tick_format, $$.yAxisTickValues, false, true, true);
+            } else if (id === 'y2') {
+                scale = $$.y2.copy().domain($$.getYDomain(targetsToShow, 'y2'));
+                axis = this.getYAxis(scale, $$.y2Orient, config.axis_y2_tick_format, $$.y2AxisTickValues, false, true, true);
+            } else {
+                scale = $$.x.copy().domain($$.getXDomain(targetsToShow));
+                axis = this.getXAxis(scale, $$.xOrient, $$.xAxisTickFormat, $$.xAxisTickValues, false, true, true);
+                this.updateXAxisTickValues(targetsToShow, axis);
+            }
+            dummy = $$.d3.select('body').append('div').classed('c3', true);
+            svg = dummy.append("svg").style('visibility', 'hidden').style('position', 'fixed').style('top', 0).style('left', 0), svg.append('g').call(axis).each(function () {
+                $$.d3.select(this).selectAll('text').each(function () {
+                    var box = this.getBoundingClientRect();
+                    if (maxWidth < box.width) {
+                        maxWidth = box.width;
+                    }
+                });
+                dummy.remove();
+            });
+        }
+        $$.currentMaxTickWidths[id] = maxWidth <= 0 ? $$.currentMaxTickWidths[id] : maxWidth;
+        return $$.currentMaxTickWidths[id];
+    };
+
+    c3_axis_fn.updateLabels = function updateLabels(withTransition) {
+        var $$ = this.owner;
+        var axisXLabel = $$.main.select('.' + CLASS.axisX + ' .' + CLASS.axisXLabel),
+            axisYLabel = $$.main.select('.' + CLASS.axisY + ' .' + CLASS.axisYLabel),
+            axisY2Label = $$.main.select('.' + CLASS.axisY2 + ' .' + CLASS.axisY2Label);
+        (withTransition ? axisXLabel.transition() : axisXLabel).attr("x", this.xForXAxisLabel.bind(this)).attr("dx", this.dxForXAxisLabel.bind(this)).attr("dy", this.dyForXAxisLabel.bind(this)).text(this.textForXAxisLabel.bind(this));
+        (withTransition ? axisYLabel.transition() : axisYLabel).attr("x", this.xForYAxisLabel.bind(this)).attr("dx", this.dxForYAxisLabel.bind(this)).attr("dy", this.dyForYAxisLabel.bind(this)).text(this.textForYAxisLabel.bind(this));
+        (withTransition ? axisY2Label.transition() : axisY2Label).attr("x", this.xForY2AxisLabel.bind(this)).attr("dx", this.dxForY2AxisLabel.bind(this)).attr("dy", this.dyForY2AxisLabel.bind(this)).text(this.textForY2AxisLabel.bind(this));
+    };
+    c3_axis_fn.getPadding = function getPadding(padding, key, defaultValue, domainLength) {
+        var p = typeof padding === 'number' ? padding : padding[key];
+        if (!isValue(p)) {
+            return defaultValue;
+        }
+        if (padding.unit === 'ratio') {
+            return padding[key] * domainLength;
+        }
+        // assume padding is pixels if unit is not specified
+        return this.convertPixelsToAxisPadding(p, domainLength);
+    };
+    c3_axis_fn.convertPixelsToAxisPadding = function convertPixelsToAxisPadding(pixels, domainLength) {
+        var $$ = this.owner,
+            length = $$.config.axis_rotated ? $$.width : $$.height;
+        return domainLength * (pixels / length);
+    };
+    c3_axis_fn.generateTickValues = function generateTickValues(values, tickCount, forTimeSeries) {
+        var tickValues = values,
+            targetCount,
+            start,
+            end,
+            count,
+            interval,
+            i,
+            tickValue;
+        if (tickCount) {
+            targetCount = isFunction(tickCount) ? tickCount() : tickCount;
+            // compute ticks according to tickCount
+            if (targetCount === 1) {
+                tickValues = [values[0]];
+            } else if (targetCount === 2) {
+                tickValues = [values[0], values[values.length - 1]];
+            } else if (targetCount > 2) {
+                count = targetCount - 2;
+                start = values[0];
+                end = values[values.length - 1];
+                interval = (end - start) / (count + 1);
+                // re-construct unique values
+                tickValues = [start];
+                for (i = 0; i < count; i++) {
+                    tickValue = +start + interval * (i + 1);
+                    tickValues.push(forTimeSeries ? new Date(tickValue) : tickValue);
+                }
+                tickValues.push(end);
+            }
+        }
+        if (!forTimeSeries) {
+            tickValues = tickValues.sort(function (a, b) {
+                return a - b;
+            });
+        }
+        return tickValues;
+    };
+    c3_axis_fn.generateTransitions = function generateTransitions(duration) {
+        var $$ = this.owner,
+            axes = $$.axes;
+        return {
+            axisX: duration ? axes.x.transition().duration(duration) : axes.x,
+            axisY: duration ? axes.y.transition().duration(duration) : axes.y,
+            axisY2: duration ? axes.y2.transition().duration(duration) : axes.y2,
+            axisSubX: duration ? axes.subx.transition().duration(duration) : axes.subx
+        };
+    };
+    c3_axis_fn.redraw = function redraw(duration, isHidden) {
+        var $$ = this.owner,
+            transition = duration ? $$.d3.transition().duration(duration) : null;
+        $$.axes.x.style("opacity", isHidden ? 0 : 1).call($$.xAxis, transition);
+        $$.axes.y.style("opacity", isHidden ? 0 : 1).call($$.yAxis, transition);
+        $$.axes.y2.style("opacity", isHidden ? 0 : 1).call($$.y2Axis, transition);
+        $$.axes.subx.style("opacity", isHidden ? 0 : 1).call($$.subXAxis, transition);
+    };
+
+    var c3 = { version: "0.6.1" };
+
+    var c3_chart_fn;
+    var c3_chart_internal_fn;
+
+    function Component(owner, componentKey, fn) {
+        this.owner = owner;
+        c3.chart.internal[componentKey] = fn;
+    }
+
+    function Chart(config) {
+        var $$ = this.internal = new ChartInternal(this);
+        $$.loadConfig(config);
+
+        $$.beforeInit(config);
+        $$.init();
+        $$.afterInit(config);
+
+        // bind "this" to nested API
+        (function bindThis(fn, target, argThis) {
+            Object.keys(fn).forEach(function (key) {
+                target[key] = fn[key].bind(argThis);
+                if (Object.keys(fn[key]).length > 0) {
+                    bindThis(fn[key], target[key], argThis);
+                }
+            });
+        })(c3_chart_fn, this, this);
+    }
+
+    function ChartInternal(api) {
+        var $$ = this;
+        $$.d3 = window.d3 ? window.d3 : typeof require !== 'undefined' ? require("d3") : undefined;
+        $$.api = api;
+        $$.config = $$.getDefaultConfig();
+        $$.data = {};
+        $$.cache = {};
+        $$.axes = {};
+    }
+
+    c3.generate = function (config) {
+        return new Chart(config);
+    };
+
+    c3.chart = {
+        fn: Chart.prototype,
+        internal: {
+            fn: ChartInternal.prototype
+        }
+    };
+    c3_chart_fn = c3.chart.fn;
+    c3_chart_internal_fn = c3.chart.internal.fn;
+
+    c3_chart_internal_fn.beforeInit = function () {
+        // can do something
+    };
+    c3_chart_internal_fn.afterInit = function () {
+        // can do something
+    };
+    c3_chart_internal_fn.init = function () {
+        var $$ = this,
+            config = $$.config;
+
+        $$.initParams();
+
+        if (config.data_url) {
+            $$.convertUrlToData(config.data_url, config.data_mimeType, config.data_headers, config.data_keys, $$.initWithData);
+        } else if (config.data_json) {
+            $$.initWithData($$.convertJsonToData(config.data_json, config.data_keys));
+        } else if (config.data_rows) {
+            $$.initWithData($$.convertRowsToData(config.data_rows));
+        } else if (config.data_columns) {
+            $$.initWithData($$.convertColumnsToData(config.data_columns));
+        } else {
+            throw Error('url or json or rows or columns is required.');
+        }
+    };
+
+    c3_chart_internal_fn.initParams = function () {
+        var $$ = this,
+            d3 = $$.d3,
+            config = $$.config;
+
+        // MEMO: clipId needs to be unique because it conflicts when multiple charts exist
+        $$.clipId = "c3-" + +new Date() + '-clip', $$.clipIdForXAxis = $$.clipId + '-xaxis', $$.clipIdForYAxis = $$.clipId + '-yaxis', $$.clipIdForGrid = $$.clipId + '-grid', $$.clipIdForSubchart = $$.clipId + '-subchart', $$.clipPath = $$.getClipPath($$.clipId), $$.clipPathForXAxis = $$.getClipPath($$.clipIdForXAxis), $$.clipPathForYAxis = $$.getClipPath($$.clipIdForYAxis);
+        $$.clipPathForGrid = $$.getClipPath($$.clipIdForGrid), $$.clipPathForSubchart = $$.getClipPath($$.clipIdForSubchart), $$.dragStart = null;
+        $$.dragging = false;
+        $$.flowing = false;
+        $$.cancelClick = false;
+        $$.mouseover = false;
+        $$.transiting = false;
+
+        $$.color = $$.generateColor();
+        $$.levelColor = $$.generateLevelColor();
+
+        $$.dataTimeParse = (config.data_xLocaltime ? d3.timeParse : d3.utcParse)($$.config.data_xFormat);
+        $$.axisTimeFormat = config.axis_x_localtime ? d3.timeFormat : d3.utcFormat;
+        $$.defaultAxisTimeFormat = function (date) {
+            if (date.getMilliseconds()) {
+                return d3.timeFormat(".%L")(date);
+            }
+            if (date.getSeconds()) {
+                return d3.timeFormat(":%S")(date);
+            }
+            if (date.getMinutes()) {
+                return d3.timeFormat("%I:%M")(date);
+            }
+            if (date.getHours()) {
+                return d3.timeFormat("%I %p")(date);
+            }
+            if (date.getDay() && date.getDate() !== 1) {
+                return d3.timeFormat("%-m/%-d")(date);
+            }
+            if (date.getDate() !== 1) {
+                return d3.timeFormat("%-m/%-d")(date);
+            }
+            if (date.getMonth()) {
+                return d3.timeFormat("%-m/%-d")(date);
+            }
+            return d3.timeFormat("%Y/%-m/%-d")(date);
+        };
+        $$.hiddenTargetIds = [];
+        $$.hiddenLegendIds = [];
+        $$.focusedTargetIds = [];
+        $$.defocusedTargetIds = [];
+
+        $$.xOrient = config.axis_rotated ? config.axis_x_inner ? "right" : "left" : config.axis_x_inner ? "top" : "bottom";
+        $$.yOrient = config.axis_rotated ? config.axis_y_inner ? "top" : "bottom" : config.axis_y_inner ? "right" : "left";
+        $$.y2Orient = config.axis_rotated ? config.axis_y2_inner ? "bottom" : "top" : config.axis_y2_inner ? "left" : "right";
+        $$.subXOrient = config.axis_rotated ? "left" : "bottom";
+
+        $$.isLegendRight = config.legend_position === 'right';
+        $$.isLegendInset = config.legend_position === 'inset';
+        $$.isLegendTop = config.legend_inset_anchor === 'top-left' || config.legend_inset_anchor === 'top-right';
+        $$.isLegendLeft = config.legend_inset_anchor === 'top-left' || config.legend_inset_anchor === 'bottom-left';
+        $$.legendStep = 0;
+        $$.legendItemWidth = 0;
+        $$.legendItemHeight = 0;
+
+        $$.currentMaxTickWidths = {
+            x: 0,
+            y: 0,
+            y2: 0
+        };
+
+        $$.rotated_padding_left = 30;
+        $$.rotated_padding_right = config.axis_rotated && !config.axis_x_show ? 0 : 30;
+        $$.rotated_padding_top = 5;
+
+        $$.withoutFadeIn = {};
+
+        $$.intervalForObserveInserted = undefined;
+
+        $$.axes.subx = d3.selectAll([]); // needs when excluding subchart.js
+    };
+
+    c3_chart_internal_fn.initChartElements = function () {
+        if (this.initBar) {
+            this.initBar();
+        }
+        if (this.initLine) {
+            this.initLine();
+        }
+        if (this.initArc) {
+            this.initArc();
+        }
+        if (this.initGauge) {
+            this.initGauge();
+        }
+        if (this.initText) {
+            this.initText();
+        }
+    };
+
+    c3_chart_internal_fn.initWithData = function (data) {
+        var $$ = this,
+            d3 = $$.d3,
+            config = $$.config;
+        var defs,
+            main,
+            binding = true;
+
+        $$.axis = new Axis($$);
+
+        if (!config.bindto) {
+            $$.selectChart = d3.selectAll([]);
+        } else if (typeof config.bindto.node === 'function') {
+            $$.selectChart = config.bindto;
+        } else {
+            $$.selectChart = d3.select(config.bindto);
+        }
+        if ($$.selectChart.empty()) {
+            $$.selectChart = d3.select(document.createElement('div')).style('opacity', 0);
+            $$.observeInserted($$.selectChart);
+            binding = false;
+        }
+        $$.selectChart.html("").classed("c3", true);
+
+        // Init data as targets
+        $$.data.xs = {};
+        $$.data.targets = $$.convertDataToTargets(data);
+
+        if (config.data_filter) {
+            $$.data.targets = $$.data.targets.filter(config.data_filter);
+        }
+
+        // Set targets to hide if needed
+        if (config.data_hide) {
+            $$.addHiddenTargetIds(config.data_hide === true ? $$.mapToIds($$.data.targets) : config.data_hide);
+        }
+        if (config.legend_hide) {
+            $$.addHiddenLegendIds(config.legend_hide === true ? $$.mapToIds($$.data.targets) : config.legend_hide);
+        }
+
+        // Init sizes and scales
+        $$.updateSizes();
+        $$.updateScales();
+
+        // Set domains for each scale
+        $$.x.domain(d3.extent($$.getXDomain($$.data.targets)));
+        $$.y.domain($$.getYDomain($$.data.targets, 'y'));
+        $$.y2.domain($$.getYDomain($$.data.targets, 'y2'));
+        $$.subX.domain($$.x.domain());
+        $$.subY.domain($$.y.domain());
+        $$.subY2.domain($$.y2.domain());
+
+        // Save original x domain for zoom update
+        $$.orgXDomain = $$.x.domain();
+
+        /*-- Basic Elements --*/
+
+        // Define svgs
+        $$.svg = $$.selectChart.append("svg").style("overflow", "hidden").on('mouseenter', function () {
+            return config.onmouseover.call($$);
+        }).on('mouseleave', function () {
+            return config.onmouseout.call($$);
+        });
+
+        if ($$.config.svg_classname) {
+            $$.svg.attr('class', $$.config.svg_classname);
+        }
+
+        // Define defs
+        defs = $$.svg.append("defs");
+        $$.clipChart = $$.appendClip(defs, $$.clipId);
+        $$.clipXAxis = $$.appendClip(defs, $$.clipIdForXAxis);
+        $$.clipYAxis = $$.appendClip(defs, $$.clipIdForYAxis);
+        $$.clipGrid = $$.appendClip(defs, $$.clipIdForGrid);
+        $$.clipSubchart = $$.appendClip(defs, $$.clipIdForSubchart);
+        $$.updateSvgSize();
+
+        // Define regions
+        main = $$.main = $$.svg.append("g").attr("transform", $$.getTranslate('main'));
+
+        if ($$.initPie) {
+            $$.initPie();
+        }
+        if ($$.initSubchart) {
+            $$.initSubchart();
+        }
+        if ($$.initTooltip) {
+            $$.initTooltip();
+        }
+        if ($$.initLegend) {
+            $$.initLegend();
+        }
+        if ($$.initTitle) {
+            $$.initTitle();
+        }
+        if ($$.initZoom) {
+            $$.initZoom();
+        }
+
+        // Update selection based on size and scale
+        // TODO: currently this must be called after initLegend because of update of sizes, but it should be done in initSubchart.
+        if ($$.initSubchartBrush) {
+            $$.initSubchartBrush();
+        }
+
+        /*-- Main Region --*/
+
+        // text when empty
+        main.append("text").attr("class", CLASS.text + ' ' + CLASS.empty).attr("text-anchor", "middle") // horizontal centering of text at x position in all browsers.
+        .attr("dominant-baseline", "middle"); // vertical centering of text at y position in all browsers, except IE.
+
+        // Regions
+        $$.initRegion();
+
+        // Grids
+        $$.initGrid();
+
+        // Define g for chart area
+        main.append('g').attr("clip-path", $$.clipPath).attr('class', CLASS.chart);
+
+        // Grid lines
+        if (config.grid_lines_front) {
+            $$.initGridLines();
+        }
+
+        // Define g for chart
+        $$.initChartElements();
+
+        // Add Axis
+        $$.axis.init();
+
+        // Set targets
+        $$.updateTargets($$.data.targets);
+
+        // Cover whole with rects for events
+        $$.initEventRect();
+
+        // Set default extent if defined
+        if (config.axis_x_selection) {
+            $$.brush.selectionAsValue($$.getDefaultSelection());
+        }
+
+        // Draw with targets
+        if (binding) {
+            $$.updateDimension();
+            $$.config.oninit.call($$);
+            $$.redraw({
+                withTransition: false,
+                withTransform: true,
+                withUpdateXDomain: true,
+                withUpdateOrgXDomain: true,
+                withTransitionForAxis: false
+            });
+        }
+
+        // Bind resize event
+        $$.bindResize();
+
+        // export element of the chart
+        $$.api.element = $$.selectChart.node();
+    };
+
+    c3_chart_internal_fn.smoothLines = function (el, type) {
+        var $$ = this;
+        if (type === 'grid') {
+            el.each(function () {
+                var g = $$.d3.select(this),
+                    x1 = g.attr('x1'),
+                    x2 = g.attr('x2'),
+                    y1 = g.attr('y1'),
+                    y2 = g.attr('y2');
+                g.attr({
+                    'x1': Math.ceil(x1),
+                    'x2': Math.ceil(x2),
+                    'y1': Math.ceil(y1),
+                    'y2': Math.ceil(y2)
+                });
+            });
+        }
+    };
+
+    c3_chart_internal_fn.updateSizes = function () {
+        var $$ = this,
+            config = $$.config;
+        var legendHeight = $$.legend ? $$.getLegendHeight() : 0,
+            legendWidth = $$.legend ? $$.getLegendWidth() : 0,
+            legendHeightForBottom = $$.isLegendRight || $$.isLegendInset ? 0 : legendHeight,
+            hasArc = $$.hasArcType(),
+            xAxisHeight = config.axis_rotated || hasArc ? 0 : $$.getHorizontalAxisHeight('x'),
+            subchartHeight = config.subchart_show && !hasArc ? config.subchart_size_height + xAxisHeight : 0;
+
+        $$.currentWidth = $$.getCurrentWidth();
+        $$.currentHeight = $$.getCurrentHeight();
+
+        // for main
+        $$.margin = config.axis_rotated ? {
+            top: $$.getHorizontalAxisHeight('y2') + $$.getCurrentPaddingTop(),
+            right: hasArc ? 0 : $$.getCurrentPaddingRight(),
+            bottom: $$.getHorizontalAxisHeight('y') + legendHeightForBottom + $$.getCurrentPaddingBottom(),
+            left: subchartHeight + (hasArc ? 0 : $$.getCurrentPaddingLeft())
+        } : {
+            top: 4 + $$.getCurrentPaddingTop(), // for top tick text
+            right: hasArc ? 0 : $$.getCurrentPaddingRight(),
+            bottom: xAxisHeight + subchartHeight + legendHeightForBottom + $$.getCurrentPaddingBottom(),
+            left: hasArc ? 0 : $$.getCurrentPaddingLeft()
+        };
+
+        // for subchart
+        $$.margin2 = config.axis_rotated ? {
+            top: $$.margin.top,
+            right: NaN,
+            bottom: 20 + legendHeightForBottom,
+            left: $$.rotated_padding_left
+        } : {
+            top: $$.currentHeight - subchartHeight - legendHeightForBottom,
+            right: NaN,
+            bottom: xAxisHeight + legendHeightForBottom,
+            left: $$.margin.left
+        };
+
+        // for legend
+        $$.margin3 = {
+            top: 0,
+            right: NaN,
+            bottom: 0,
+            left: 0
+        };
+        if ($$.updateSizeForLegend) {
+            $$.updateSizeForLegend(legendHeight, legendWidth);
+        }
+
+        $$.width = $$.currentWidth - $$.margin.left - $$.margin.right;
+        $$.height = $$.currentHeight - $$.margin.top - $$.margin.bottom;
+        if ($$.width < 0) {
+            $$.width = 0;
+        }
+        if ($$.height < 0) {
+            $$.height = 0;
+        }
+
+        $$.width2 = config.axis_rotated ? $$.margin.left - $$.rotated_padding_left - $$.rotated_padding_right : $$.width;
+        $$.height2 = config.axis_rotated ? $$.height : $$.currentHeight - $$.margin2.top - $$.margin2.bottom;
+        if ($$.width2 < 0) {
+            $$.width2 = 0;
+        }
+        if ($$.height2 < 0) {
+            $$.height2 = 0;
+        }
+
+        // for arc
+        $$.arcWidth = $$.width - ($$.isLegendRight ? legendWidth + 10 : 0);
+        $$.arcHeight = $$.height - ($$.isLegendRight ? 0 : 10);
+        if ($$.hasType('gauge') && !config.gauge_fullCircle) {
+            $$.arcHeight += $$.height - $$.getGaugeLabelHeight();
+        }
+        if ($$.updateRadius) {
+            $$.updateRadius();
+        }
+
+        if ($$.isLegendRight && hasArc) {
+            $$.margin3.left = $$.arcWidth / 2 + $$.radiusExpanded * 1.1;
+        }
+    };
+
+    c3_chart_internal_fn.updateTargets = function (targets) {
+        var $$ = this;
+
+        /*-- Main --*/
+
+        //-- Text --//
+        $$.updateTargetsForText(targets);
+
+        //-- Bar --//
+        $$.updateTargetsForBar(targets);
+
+        //-- Line --//
+        $$.updateTargetsForLine(targets);
+
+        //-- Arc --//
+        if ($$.hasArcType() && $$.updateTargetsForArc) {
+            $$.updateTargetsForArc(targets);
+        }
+
+        /*-- Sub --*/
+
+        if ($$.updateTargetsForSubchart) {
+            $$.updateTargetsForSubchart(targets);
+        }
+
+        // Fade-in each chart
+        $$.showTargets();
+    };
+    c3_chart_internal_fn.showTargets = function () {
+        var $$ = this;
+        $$.svg.selectAll('.' + CLASS.target).filter(function (d) {
+            return $$.isTargetToShow(d.id);
+        }).transition().duration($$.config.transition_duration).style("opacity", 1);
+    };
+
+    c3_chart_internal_fn.redraw = function (options, transitions) {
+        var $$ = this,
+            main = $$.main,
+            d3 = $$.d3,
+            config = $$.config;
+        var areaIndices = $$.getShapeIndices($$.isAreaType),
+            barIndices = $$.getShapeIndices($$.isBarType),
+            lineIndices = $$.getShapeIndices($$.isLineType);
+        var withY, withSubchart, withTransition, withTransitionForExit, withTransitionForAxis, withTransform, withUpdateXDomain, withUpdateOrgXDomain, withTrimXDomain, withLegend, withEventRect, withDimension, withUpdateXAxis;
+        var hideAxis = $$.hasArcType();
+        var drawArea, drawBar, drawLine, xForText, yForText;
+        var duration, durationForExit, durationForAxis;
+        var transitionsToWait, waitForDraw, flow, transition;
+        var targetsToShow = $$.filterTargetsToShow($$.data.targets),
+            tickValues,
+            i,
+            intervalForCulling,
+            xDomainForZoom;
+        var xv = $$.xv.bind($$),
+            cx,
+            cy;
+
+        options = options || {};
+        withY = getOption(options, "withY", true);
+        withSubchart = getOption(options, "withSubchart", true);
+        withTransition = getOption(options, "withTransition", true);
+        withTransform = getOption(options, "withTransform", false);
+        withUpdateXDomain = getOption(options, "withUpdateXDomain", false);
+        withUpdateOrgXDomain = getOption(options, "withUpdateOrgXDomain", false);
+        withTrimXDomain = getOption(options, "withTrimXDomain", true);
+        withUpdateXAxis = getOption(options, "withUpdateXAxis", withUpdateXDomain);
+        withLegend = getOption(options, "withLegend", false);
+        withEventRect = getOption(options, "withEventRect", true);
+        withDimension = getOption(options, "withDimension", true);
+        withTransitionForExit = getOption(options, "withTransitionForExit", withTransition);
+        withTransitionForAxis = getOption(options, "withTransitionForAxis", withTransition);
+
+        duration = withTransition ? config.transition_duration : 0;
+        durationForExit = withTransitionForExit ? duration : 0;
+        durationForAxis = withTransitionForAxis ? duration : 0;
+
+        transitions = transitions || $$.axis.generateTransitions(durationForAxis);
+
+        // update legend and transform each g
+        if (withLegend && config.legend_show) {
+            $$.updateLegend($$.mapToIds($$.data.targets), options, transitions);
+        } else if (withDimension) {
+            // need to update dimension (e.g. axis.y.tick.values) because y tick values should change
+            // no need to update axis in it because they will be updated in redraw()
+            $$.updateDimension(true);
+        }
+
+        // MEMO: needed for grids calculation
+        if ($$.isCategorized() && targetsToShow.length === 0) {
+            $$.x.domain([0, $$.axes.x.selectAll('.tick').size()]);
+        }
+
+        if (targetsToShow.length) {
+            $$.updateXDomain(targetsToShow, withUpdateXDomain, withUpdateOrgXDomain, withTrimXDomain);
+            if (!config.axis_x_tick_values) {
+                tickValues = $$.axis.updateXAxisTickValues(targetsToShow);
+            }
+        } else {
+            $$.xAxis.tickValues([]);
+            $$.subXAxis.tickValues([]);
+        }
+
+        if (config.zoom_rescale && !options.flow) {
+            xDomainForZoom = $$.x.orgDomain();
+        }
+
+        $$.y.domain($$.getYDomain(targetsToShow, 'y', xDomainForZoom));
+        $$.y2.domain($$.getYDomain(targetsToShow, 'y2', xDomainForZoom));
+
+        if (!config.axis_y_tick_values && config.axis_y_tick_count) {
+            $$.yAxis.tickValues($$.axis.generateTickValues($$.y.domain(), config.axis_y_tick_count));
+        }
+        if (!config.axis_y2_tick_values && config.axis_y2_tick_count) {
+            $$.y2Axis.tickValues($$.axis.generateTickValues($$.y2.domain(), config.axis_y2_tick_count));
+        }
+
+        // axes
+        $$.axis.redraw(durationForAxis, hideAxis);
+
+        // Update axis label
+        $$.axis.updateLabels(withTransition);
+
+        // show/hide if manual culling needed
+        if ((withUpdateXDomain || withUpdateXAxis) && targetsToShow.length) {
+            if (config.axis_x_tick_culling && tickValues) {
+                for (i = 1; i < tickValues.length; i++) {
+                    if (tickValues.length / i < config.axis_x_tick_culling_max) {
+                        intervalForCulling = i;
+                        break;
+                    }
+                }
+                $$.svg.selectAll('.' + CLASS.axisX + ' .tick text').each(function (e) {
+                    var index = tickValues.indexOf(e);
+                    if (index >= 0) {
+                        d3.select(this).style('display', index % intervalForCulling ? 'none' : 'block');
+                    }
+                });
+            } else {
+                $$.svg.selectAll('.' + CLASS.axisX + ' .tick text').style('display', 'block');
+            }
+        }
+
+        // setup drawer - MEMO: these must be called after axis updated
+        drawArea = $$.generateDrawArea ? $$.generateDrawArea(areaIndices, false) : undefined;
+        drawBar = $$.generateDrawBar ? $$.generateDrawBar(barIndices) : undefined;
+        drawLine = $$.generateDrawLine ? $$.generateDrawLine(lineIndices, false) : undefined;
+        xForText = $$.generateXYForText(areaIndices, barIndices, lineIndices, true);
+        yForText = $$.generateXYForText(areaIndices, barIndices, lineIndices, false);
+
+        // update circleY based on updated parameters
+        $$.updateCircleY();
+        // generate circle x/y functions depending on updated params
+        cx = ($$.config.axis_rotated ? $$.circleY : $$.circleX).bind($$);
+        cy = ($$.config.axis_rotated ? $$.circleX : $$.circleY).bind($$);
+
+        // Update sub domain
+        if (withY) {
+            $$.subY.domain($$.getYDomain(targetsToShow, 'y'));
+            $$.subY2.domain($$.getYDomain(targetsToShow, 'y2'));
+        }
+
+        // xgrid focus
+        $$.updateXgridFocus();
+
+        // Data empty label positioning and text.
+        main.select("text." + CLASS.text + '.' + CLASS.empty).attr("x", $$.width / 2).attr("y", $$.height / 2).text(config.data_empty_label_text).transition().style('opacity', targetsToShow.length ? 0 : 1);
+
+        // event rect
+        if (withEventRect) {
+            $$.redrawEventRect();
+        }
+
+        // grid
+        $$.updateGrid(duration);
+
+        // rect for regions
+        $$.updateRegion(duration);
+
+        // bars
+        $$.updateBar(durationForExit);
+
+        // lines, areas and cricles
+        $$.updateLine(durationForExit);
+        $$.updateArea(durationForExit);
+        $$.updateCircle(cx, cy);
+
+        // text
+        if ($$.hasDataLabel()) {
+            $$.updateText(xForText, yForText, durationForExit);
+        }
+
+        // title
+        if ($$.redrawTitle) {
+            $$.redrawTitle();
+        }
+
+        // arc
+        if ($$.redrawArc) {
+            $$.redrawArc(duration, durationForExit, withTransform);
+        }
+
+        // subchart
+        if ($$.redrawSubchart) {
+            $$.redrawSubchart(withSubchart, transitions, duration, durationForExit, areaIndices, barIndices, lineIndices);
+        }
+
+        // circles for select
+        main.selectAll('.' + CLASS.selectedCircles).filter($$.isBarType.bind($$)).selectAll('circle').remove();
+
+        if (options.flow) {
+            flow = $$.generateFlow({
+                targets: targetsToShow,
+                flow: options.flow,
+                duration: options.flow.duration,
+                drawBar: drawBar,
+                drawLine: drawLine,
+                drawArea: drawArea,
+                cx: cx,
+                cy: cy,
+                xv: xv,
+                xForText: xForText,
+                yForText: yForText
+            });
+        }
+
+        if ($$.isTabVisible()) {
+            // Only use transition if tab visible. See #938.
+            if (duration) {
+                // transition should be derived from one transition
+                transition = d3.transition().duration(duration);
+                transitionsToWait = [];
+                [$$.redrawBar(drawBar, true, transition), $$.redrawLine(drawLine, true, transition), $$.redrawArea(drawArea, true, transition), $$.redrawCircle(cx, cy, true, transition), $$.redrawText(xForText, yForText, options.flow, true, transition), $$.redrawRegion(true, transition), $$.redrawGrid(true, transition)].forEach(function (transitions) {
+                    transitions.forEach(function (transition) {
+                        transitionsToWait.push(transition);
+                    });
+                });
+                // Wait for end of transitions to call flow and onrendered callback
+                waitForDraw = $$.generateWait();
+                transitionsToWait.forEach(function (t) {
+                    waitForDraw.add(t);
+                });
+                waitForDraw(function () {
+                    if (flow) {
+                        flow();
+                    }
+                    if (config.onrendered) {
+                        config.onrendered.call($$);
+                    }
+                });
+            } else {
+                $$.redrawBar(drawBar);
+                $$.redrawLine(drawLine);
+                $$.redrawArea(drawArea);
+                $$.redrawCircle(cx, cy);
+                $$.redrawText(xForText, yForText, options.flow);
+                $$.redrawRegion();
+                $$.redrawGrid();
+                if (flow) {
+                    flow();
+                }
+                if (config.onrendered) {
+                    config.onrendered.call($$);
+                }
+            }
+        }
+
+        // update fadein condition
+        $$.mapToIds($$.data.targets).forEach(function (id) {
+            $$.withoutFadeIn[id] = true;
+        });
+    };
+
+    c3_chart_internal_fn.updateAndRedraw = function (options) {
+        var $$ = this,
+            config = $$.config,
+            transitions;
+        options = options || {};
+        // same with redraw
+        options.withTransition = getOption(options, "withTransition", true);
+        options.withTransform = getOption(options, "withTransform", false);
+        options.withLegend = getOption(options, "withLegend", false);
+        // NOT same with redraw
+        options.withUpdateXDomain = getOption(options, "withUpdateXDomain", true);
+        options.withUpdateOrgXDomain = getOption(options, "withUpdateOrgXDomain", true);
+        options.withTransitionForExit = false;
+        options.withTransitionForTransform = getOption(options, "withTransitionForTransform", options.withTransition);
+        // MEMO: this needs to be called before updateLegend and it means this ALWAYS needs to be called)
+        $$.updateSizes();
+        // MEMO: called in updateLegend in redraw if withLegend
+        if (!(options.withLegend && config.legend_show)) {
+            transitions = $$.axis.generateTransitions(options.withTransitionForAxis ? config.transition_duration : 0);
+            // Update scales
+            $$.updateScales();
+            $$.updateSvgSize();
+            // Update g positions
+            $$.transformAll(options.withTransitionForTransform, transitions);
+        }
+        // Draw with new sizes & scales
+        $$.redraw(options, transitions);
+    };
+    c3_chart_internal_fn.redrawWithoutRescale = function () {
+        this.redraw({
+            withY: false,
+            withSubchart: false,
+            withEventRect: false,
+            withTransitionForAxis: false
+        });
+    };
+
+    c3_chart_internal_fn.isTimeSeries = function () {
+        return this.config.axis_x_type === 'timeseries';
+    };
+    c3_chart_internal_fn.isCategorized = function () {
+        return this.config.axis_x_type.indexOf('categor') >= 0;
+    };
+    c3_chart_internal_fn.isCustomX = function () {
+        var $$ = this,
+            config = $$.config;
+        return !$$.isTimeSeries() && (config.data_x || notEmpty(config.data_xs));
+    };
+
+    c3_chart_internal_fn.isTimeSeriesY = function () {
+        return this.config.axis_y_type === 'timeseries';
+    };
+
+    c3_chart_internal_fn.getTranslate = function (target) {
+        var $$ = this,
+            config = $$.config,
+            x,
+            y;
+        if (target === 'main') {
+            x = asHalfPixel($$.margin.left);
+            y = asHalfPixel($$.margin.top);
+        } else if (target === 'context') {
+            x = asHalfPixel($$.margin2.left);
+            y = asHalfPixel($$.margin2.top);
+        } else if (target === 'legend') {
+            x = $$.margin3.left;
+            y = $$.margin3.top;
+        } else if (target === 'x') {
+            x = 0;
+            y = config.axis_rotated ? 0 : $$.height;
+        } else if (target === 'y') {
+            x = 0;
+            y = config.axis_rotated ? $$.height : 0;
+        } else if (target === 'y2') {
+            x = config.axis_rotated ? 0 : $$.width;
+            y = config.axis_rotated ? 1 : 0;
+        } else if (target === 'subx') {
+            x = 0;
+            y = config.axis_rotated ? 0 : $$.height2;
+        } else if (target === 'arc') {
+            x = $$.arcWidth / 2;
+            y = $$.arcHeight / 2 - ($$.hasType('gauge') ? 6 : 0); // to prevent wrong display of min and max label
+        }
+        return "translate(" + x + "," + y + ")";
+    };
+    c3_chart_internal_fn.initialOpacity = function (d) {
+        return d.value !== null && this.withoutFadeIn[d.id] ? 1 : 0;
+    };
+    c3_chart_internal_fn.initialOpacityForCircle = function (d) {
+        return d.value !== null && this.withoutFadeIn[d.id] ? this.opacityForCircle(d) : 0;
+    };
+    c3_chart_internal_fn.opacityForCircle = function (d) {
+        var isPointShouldBeShown = isFunction(this.config.point_show) ? this.config.point_show(d) : this.config.point_show;
+        var opacity = isPointShouldBeShown ? 1 : 0;
+        return isValue(d.value) ? this.isScatterType(d) ? 0.5 : opacity : 0;
+    };
+    c3_chart_internal_fn.opacityForText = function () {
+        return this.hasDataLabel() ? 1 : 0;
+    };
+    c3_chart_internal_fn.xx = function (d) {
+        return d ? this.x(d.x) : null;
+    };
+    c3_chart_internal_fn.xv = function (d) {
+        var $$ = this,
+            value = d.value;
+        if ($$.isTimeSeries()) {
+            value = $$.parseDate(d.value);
+        } else if ($$.isCategorized() && typeof d.value === 'string') {
+            value = $$.config.axis_x_categories.indexOf(d.value);
+        }
+        return Math.ceil($$.x(value));
+    };
+    c3_chart_internal_fn.yv = function (d) {
+        var $$ = this,
+            yScale = d.axis && d.axis === 'y2' ? $$.y2 : $$.y;
+        return Math.ceil(yScale(d.value));
+    };
+    c3_chart_internal_fn.subxx = function (d) {
+        return d ? this.subX(d.x) : null;
+    };
+
+    c3_chart_internal_fn.transformMain = function (withTransition, transitions) {
+        var $$ = this,
+            xAxis,
+            yAxis,
+            y2Axis;
+        if (transitions && transitions.axisX) {
+            xAxis = transitions.axisX;
+        } else {
+            xAxis = $$.main.select('.' + CLASS.axisX);
+            if (withTransition) {
+                xAxis = xAxis.transition();
+            }
+        }
+        if (transitions && transitions.axisY) {
+            yAxis = transitions.axisY;
+        } else {
+            yAxis = $$.main.select('.' + CLASS.axisY);
+            if (withTransition) {
+                yAxis = yAxis.transition();
+            }
+        }
+        if (transitions && transitions.axisY2) {
+            y2Axis = transitions.axisY2;
+        } else {
+            y2Axis = $$.main.select('.' + CLASS.axisY2);
+            if (withTransition) {
+                y2Axis = y2Axis.transition();
+            }
+        }
+        (withTransition ? $$.main.transition() : $$.main).attr("transform", $$.getTranslate('main'));
+        xAxis.attr("transform", $$.getTranslate('x'));
+        yAxis.attr("transform", $$.getTranslate('y'));
+        y2Axis.attr("transform", $$.getTranslate('y2'));
+        $$.main.select('.' + CLASS.chartArcs).attr("transform", $$.getTranslate('arc'));
+    };
+    c3_chart_internal_fn.transformAll = function (withTransition, transitions) {
+        var $$ = this;
+        $$.transformMain(withTransition, transitions);
+        if ($$.config.subchart_show) {
+            $$.transformContext(withTransition, transitions);
+        }
+        if ($$.legend) {
+            $$.transformLegend(withTransition);
+        }
+    };
+
+    c3_chart_internal_fn.updateSvgSize = function () {
+        var $$ = this,
+            brush = $$.svg.select(".c3-brush .overlay");
+        $$.svg.attr('width', $$.currentWidth).attr('height', $$.currentHeight);
+        $$.svg.selectAll(['#' + $$.clipId, '#' + $$.clipIdForGrid]).select('rect').attr('width', $$.width).attr('height', $$.height);
+        $$.svg.select('#' + $$.clipIdForXAxis).select('rect').attr('x', $$.getXAxisClipX.bind($$)).attr('y', $$.getXAxisClipY.bind($$)).attr('width', $$.getXAxisClipWidth.bind($$)).attr('height', $$.getXAxisClipHeight.bind($$));
+        $$.svg.select('#' + $$.clipIdForYAxis).select('rect').attr('x', $$.getYAxisClipX.bind($$)).attr('y', $$.getYAxisClipY.bind($$)).attr('width', $$.getYAxisClipWidth.bind($$)).attr('height', $$.getYAxisClipHeight.bind($$));
+        $$.svg.select('#' + $$.clipIdForSubchart).select('rect').attr('width', $$.width).attr('height', brush.size() ? brush.attr('height') : 0);
+        // MEMO: parent div's height will be bigger than svg when <!DOCTYPE html>
+        $$.selectChart.style('max-height', $$.currentHeight + "px");
+    };
+
+    c3_chart_internal_fn.updateDimension = function (withoutAxis) {
+        var $$ = this;
+        if (!withoutAxis) {
+            if ($$.config.axis_rotated) {
+                $$.axes.x.call($$.xAxis);
+                $$.axes.subx.call($$.subXAxis);
+            } else {
+                $$.axes.y.call($$.yAxis);
+                $$.axes.y2.call($$.y2Axis);
+            }
+        }
+        $$.updateSizes();
+        $$.updateScales();
+        $$.updateSvgSize();
+        $$.transformAll(false);
+    };
+
+    c3_chart_internal_fn.observeInserted = function (selection) {
+        var $$ = this,
+            observer;
+        if (typeof MutationObserver === 'undefined') {
+            window.console.error("MutationObserver not defined.");
+            return;
+        }
+        observer = new MutationObserver(function (mutations) {
+            mutations.forEach(function (mutation) {
+                if (mutation.type === 'childList' && mutation.previousSibling) {
+                    observer.disconnect();
+                    // need to wait for completion of load because size calculation requires the actual sizes determined after that completion
+                    $$.intervalForObserveInserted = window.setInterval(function () {
+                        // parentNode will NOT be null when completed
+                        if (selection.node().parentNode) {
+                            window.clearInterval($$.intervalForObserveInserted);
+                            $$.updateDimension();
+                            if ($$.brush) {
+                                $$.brush.update();
+                            }
+                            $$.config.oninit.call($$);
+                            $$.redraw({
+                                withTransform: true,
+                                withUpdateXDomain: true,
+                                withUpdateOrgXDomain: true,
+                                withTransition: false,
+                                withTransitionForTransform: false,
+                                withLegend: true
+                            });
+                            selection.transition().style('opacity', 1);
+                        }
+                    }, 10);
+                }
+            });
+        });
+        observer.observe(selection.node(), { attributes: true, childList: true, characterData: true });
+    };
+
+    c3_chart_internal_fn.bindResize = function () {
+        var $$ = this,
+            config = $$.config;
+
+        $$.resizeFunction = $$.generateResize(); // need to call .remove
+
+        $$.resizeFunction.add(function () {
+            config.onresize.call($$);
+        });
+        if (config.resize_auto) {
+            $$.resizeFunction.add(function () {
+                if ($$.resizeTimeout !== undefined) {
+                    window.clearTimeout($$.resizeTimeout);
+                }
+                $$.resizeTimeout = window.setTimeout(function () {
+                    delete $$.resizeTimeout;
+                    $$.updateAndRedraw({
+                        withUpdateXDomain: false,
+                        withUpdateOrgXDomain: false,
+                        withTransition: false,
+                        withTransitionForTransform: false,
+                        withLegend: true
+                    });
+                    if ($$.brush) {
+                        $$.brush.update();
+                    }
+                }, 100);
+            });
+        }
+        $$.resizeFunction.add(function () {
+            config.onresized.call($$);
+        });
+
+        $$.resizeIfElementDisplayed = function () {
+            // if element not displayed skip it
+            if ($$.api == null || !$$.api.element.offsetParent) {
+                return;
+            }
+
+            $$.resizeFunction();
+        };
+
+        if (window.attachEvent) {
+            window.attachEvent('onresize', $$.resizeIfElementDisplayed);
+        } else if (window.addEventListener) {
+            window.addEventListener('resize', $$.resizeIfElementDisplayed, false);
+        } else {
+            // fallback to this, if this is a very old browser
+            var wrapper = window.onresize;
+            if (!wrapper) {
+                // create a wrapper that will call all charts
+                wrapper = $$.generateResize();
+            } else if (!wrapper.add || !wrapper.remove) {
+                // there is already a handler registered, make sure we call it too
+                wrapper = $$.generateResize();
+                wrapper.add(window.onresize);
+            }
+            // add this graph to the wrapper, we will be removed if the user calls destroy
+            wrapper.add($$.resizeFunction);
+            window.onresize = function () {
+                // if element not displayed skip it
+                if (!$$.api.element.offsetParent) {
+                    return;
+                }
+
+                wrapper();
+            };
+        }
+    };
+
+    c3_chart_internal_fn.generateResize = function () {
+        var resizeFunctions = [];
+        function callResizeFunctions() {
+            resizeFunctions.forEach(function (f) {
+                f();
+            });
+        }
+        callResizeFunctions.add = function (f) {
+            resizeFunctions.push(f);
+        };
+        callResizeFunctions.remove = function (f) {
+            for (var i = 0; i < resizeFunctions.length; i++) {
+                if (resizeFunctions[i] === f) {
+                    resizeFunctions.splice(i, 1);
+                    break;
+                }
+            }
+        };
+        return callResizeFunctions;
+    };
+
+    c3_chart_internal_fn.endall = function (transition, callback) {
+        var n = 0;
+        transition.each(function () {
+            ++n;
+        }).on("end", function () {
+            if (! --n) {
+                callback.apply(this, arguments);
+            }
+        });
+    };
+    c3_chart_internal_fn.generateWait = function () {
+        var transitionsToWait = [],
+            f = function f(callback) {
+            var timer = setInterval(function () {
+                var done = 0;
+                transitionsToWait.forEach(function (t) {
+                    if (t.empty()) {
+                        done += 1;
+                        return;
+                    }
+                    try {
+                        t.transition();
+                    } catch (e) {
+                        done += 1;
+                    }
+                });
+                if (done === transitionsToWait.length) {
+                    clearInterval(timer);
+                    if (callback) {
+                        callback();
+                    }
+                }
+            }, 50);
+        };
+        f.add = function (transition) {
+            transitionsToWait.push(transition);
+        };
+        return f;
+    };
+
+    c3_chart_internal_fn.parseDate = function (date) {
+        var $$ = this,
+            parsedDate;
+        if (date instanceof Date) {
+            parsedDate = date;
+        } else if (typeof date === 'string') {
+            parsedDate = $$.dataTimeParse(date);
+        } else if ((typeof date === 'undefined' ? 'undefined' : _typeof(date)) === 'object') {
+            parsedDate = new Date(+date);
+        } else if (typeof date === 'number' && !isNaN(date)) {
+            parsedDate = new Date(+date);
+        }
+        if (!parsedDate || isNaN(+parsedDate)) {
+            window.console.error("Failed to parse x '" + date + "' to Date object");
+        }
+        return parsedDate;
+    };
+
+    c3_chart_internal_fn.isTabVisible = function () {
+        var hidden;
+        if (typeof document.hidden !== "undefined") {
+            // Opera 12.10 and Firefox 18 and later support
+            hidden = "hidden";
+        } else if (typeof document.mozHidden !== "undefined") {
+            hidden = "mozHidden";
+        } else if (typeof document.msHidden !== "undefined") {
+            hidden = "msHidden";
+        } else if (typeof document.webkitHidden !== "undefined") {
+            hidden = "webkitHidden";
+        }
+
+        return document[hidden] ? false : true;
+    };
+
+    c3_chart_internal_fn.isValue = isValue;
+    c3_chart_internal_fn.isFunction = isFunction;
+    c3_chart_internal_fn.isString = isString;
+    c3_chart_internal_fn.isUndefined = isUndefined;
+    c3_chart_internal_fn.isDefined = isDefined;
+    c3_chart_internal_fn.ceil10 = ceil10;
+    c3_chart_internal_fn.asHalfPixel = asHalfPixel;
+    c3_chart_internal_fn.diffDomain = diffDomain;
+    c3_chart_internal_fn.isEmpty = isEmpty;
+    c3_chart_internal_fn.notEmpty = notEmpty;
+    c3_chart_internal_fn.notEmpty = notEmpty;
+    c3_chart_internal_fn.getOption = getOption;
+    c3_chart_internal_fn.hasValue = hasValue;
+    c3_chart_internal_fn.sanitise = sanitise;
+    c3_chart_internal_fn.getPathBox = getPathBox;
+    c3_chart_internal_fn.CLASS = CLASS;
+
+    /* jshint ignore:start */
+
+    // PhantomJS doesn't have support for Function.prototype.bind, which has caused confusion. Use
+    // this polyfill to avoid the confusion.
+    // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/bind#Polyfill
+
+    if (!Function.prototype.bind) {
+        Function.prototype.bind = function (oThis) {
+            if (typeof this !== 'function') {
+                // closest thing possible to the ECMAScript 5
+                // internal IsCallable function
+                throw new TypeError('Function.prototype.bind - what is trying to be bound is not callable');
+            }
+
+            var aArgs = Array.prototype.slice.call(arguments, 1),
+                fToBind = this,
+                fNOP = function fNOP() {},
+                fBound = function fBound() {
+                return fToBind.apply(this instanceof fNOP ? this : oThis, aArgs.concat(Array.prototype.slice.call(arguments)));
+            };
+
+            fNOP.prototype = this.prototype;
+            fBound.prototype = new fNOP();
+
+            return fBound;
+        };
+    }
+
+    // SVGPathSeg API polyfill
+    // https://github.com/progers/pathseg
+    //
+    // This is a drop-in replacement for the SVGPathSeg and SVGPathSegList APIs that were removed from
+    // SVG2 (https://lists.w3.org/Archives/Public/www-svg/2015Jun/0044.html), including the latest spec
+    // changes which were implemented in Firefox 43 and Chrome 46.
+
+    (function () {
+
+        if (!("SVGPathSeg" in window)) {
+            // Spec: http://www.w3.org/TR/SVG11/single-page.html#paths-InterfaceSVGPathSeg
+            window.SVGPathSeg = function (type, typeAsLetter, owningPathSegList) {
+                this.pathSegType = type;
+                this.pathSegTypeAsLetter = typeAsLetter;
+                this._owningPathSegList = owningPathSegList;
+            };
+
+            window.SVGPathSeg.prototype.classname = "SVGPathSeg";
+
+            window.SVGPathSeg.PATHSEG_UNKNOWN = 0;
+            window.SVGPathSeg.PATHSEG_CLOSEPATH = 1;
+            window.SVGPathSeg.PATHSEG_MOVETO_ABS = 2;
+            window.SVGPathSeg.PATHSEG_MOVETO_REL = 3;
+            window.SVGPathSeg.PATHSEG_LINETO_ABS = 4;
+            window.SVGPathSeg.PATHSEG_LINETO_REL = 5;
+            window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS = 6;
+            window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL = 7;
+            window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS = 8;
+            window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL = 9;
+            window.SVGPathSeg.PATHSEG_ARC_ABS = 10;
+            window.SVGPathSeg.PATHSEG_ARC_REL = 11;
+            window.SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS = 12;
+            window.SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL = 13;
+            window.SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS = 14;
+            window.SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL = 15;
+            window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS = 16;
+            window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL = 17;
+            window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS = 18;
+            window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL = 19;
+
+            // Notify owning PathSegList on any changes so they can be synchronized back to the path element.
+            window.SVGPathSeg.prototype._segmentChanged = function () {
+                if (this._owningPathSegList) this._owningPathSegList.segmentChanged(this);
+            };
+
+            window.SVGPathSegClosePath = function (owningPathSegList) {
+                window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_CLOSEPATH, "z", owningPathSegList);
+            };
+            window.SVGPathSegClosePath.prototype = Object.create(window.SVGPathSeg.prototype);
+            window.SVGPathSegClosePath.prototype.toString = function () {
+                return "[object SVGPathSegClosePath]";
+            };
+            window.SVGPathSegClosePath.prototype._asPathString = function () {
+                return this.pathSegTypeAsLetter;
+            };
+            window.SVGPathSegClosePath.prototype.clone = function () {
+                return new window.SVGPathSegClosePath(undefined);
+            };
+
+            window.SVGPathSegMovetoAbs = function (owningPathSegList, x, y) {
+                window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_MOVETO_ABS, "M", owningPathSegList);
+                this._x = x;
+                this._y = y;
+            };
+            window.SVGPathSegMovetoAbs.prototype = Object.create(window.SVGPathSeg.prototype);
+            window.SVGPathSegMovetoAbs.prototype.toString = function () {
+                return "[object SVGPathSegMovetoAbs]";
+            };
+            window.SVGPathSegMovetoAbs.prototype._asPathString = function () {
+                return this.pathSegTypeAsLetter + " " + this._x + " " + this._y;
+            };
+            window.SVGPathSegMovetoAbs.prototype.clone = function () {
+                return new window.SVGPathSegMovetoAbs(undefined, this._x, this._y);
+            };
+            Object.defineProperty(window.SVGPathSegMovetoAbs.prototype, "x", { get: function get() {
+                    return this._x;
+                }, set: function set(x) {
+                    this._x = x;this._segmentChanged();
+                }, enumerable: true });
+            Object.defineProperty(window.SVGPathSegMovetoAbs.prototype, "y", { get: function get() {
+                    return this._y;
+                }, set: function set(y) {
+                    this._y = y;this._segmentChanged();
+                }, enumerable: true });
+
+            window.SVGPathSegMovetoRel = function (owningPathSegList, x, y) {
+                window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_MOVETO_REL, "m", owningPathSegList);
+                this._x = x;
+                this._y = y;
+            };
+            window.SVGPathSegMovetoRel.prototype = Object.create(window.SVGPathSeg.prototype);
+            window.SVGPathSegMovetoRel.prototype.toString = function () {
+                return "[object SVGPathSegMovetoRel]";
+            };
+            window.SVGPathSegMovetoRel.prototype._asPathString = function () {
+                return this.pathSegTypeAsLetter + " " + this._x + " " + this._y;
+            };
+            window.SVGPathSegMovetoRel.prototype.clone = function () {
+                return new window.SVGPathSegMovetoRel(undefined, this._x, this._y);
+            };
+            Object.defineProperty(window.SVGPathSegMovetoRel.prototype, "x", { get: function get() {
+                    return this._x;
+                }, set: function set(x) {
+                    this._x = x;this._segmentChanged();
+                }, enumerable: true });
+            Object.defineProperty(window.SVGPathSegMovetoRel.prototype, "y", { get: function get() {
+                    return this._y;
+                }, set: function set(y) {
+                    this._y = y;this._segmentChanged();
+                }, enumerable: true });
+
+            window.SVGPathSegLinetoAbs = function (owningPathSegList, x, y) {
+                window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_LINETO_ABS, "L", owningPathSegList);
+                this._x = x;
+                this._y = y;
+            };
+            window.SVGPathSegLinetoAbs.prototype = Object.create(window.SVGPathSeg.prototype);
+            window.SVGPathSegLinetoAbs.prototype.toString = function () {
+                return "[object SVGPathSegLinetoAbs]";
+            };
+            window.SVGPathSegLinetoAbs.prototype._asPathString = function () {
+                return this.pathSegTypeAsLetter + " " + this._x + " " + this._y;
+            };
+            window.SVGPathSegLinetoAbs.prototype.clone = function () {
+                return new window.SVGPathSegLinetoAbs(undefined, this._x, this._y);
+            };
+            Object.defineProperty(window.SVGPathSegLinetoAbs.prototype, "x", { get: function get() {
+                    return this._x;
+                }, set: function set(x) {
+                    this._x = x;this._segmentChanged();
+                }, enumerable: true });
+            Object.defineProperty(window.SVGPathSegLinetoAbs.prototype, "y", { get: function get() {
+                    return this._y;
+                }, set: function set(y) {
+                    this._y = y;this._segmentChanged();
+                }, enumerable: true });
+
+            window.SVGPathSegLinetoRel = function (owningPathSegList, x, y) {
+                window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_LINETO_REL, "l", owningPathSegList);
+                this._x = x;
+                this._y = y;
+            };
+            window.SVGPathSegLinetoRel.prototype = Object.create(window.SVGPathSeg.prototype);
+            window.SVGPathSegLinetoRel.prototype.toString = function () {
+                return "[object SVGPathSegLinetoRel]";
+            };
+            window.SVGPathSegLinetoRel.prototype._asPathString = function () {
+                return this.pathSegTypeAsLetter + " " + this._x + " " + this._y;
+            };
+            window.SVGPathSegLinetoRel.prototype.clone = function () {
+                return new window.SVGPathSegLinetoRel(undefined, this._x, this._y);
+            };
+            Object.defineProperty(window.SVGPathSegLinetoRel.prototype, "x", { get: function get() {
+                    return this._x;
+                }, set: function set(x) {
+                    this._x = x;this._segmentChanged();
+                }, enumerable: true });
+            Object.defineProperty(window.SVGPathSegLinetoRel.prototype, "y", { get: function get() {
+                    return this._y;
+                }, set: function set(y) {
+                    this._y = y;this._segmentChanged();
+                }, enumerable: true });
+
+            window.SVGPathSegCurvetoCubicAbs = function (owningPathSegList, x, y, x1, y1, x2, y2) {
+                window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS, "C", owningPathSegList);
+                this._x = x;
+                this._y = y;
+                this._x1 = x1;
+                this._y1 = y1;
+                this._x2 = x2;
+                this._y2 = y2;
+            };
+            window.SVGPathSegCurvetoCubicAbs.prototype = Object.create(window.SVGPathSeg.prototype);
+            window.SVGPathSegCurvetoCubicAbs.prototype.toString = function () {
+                return "[object SVGPathSegCurvetoCubicAbs]";
+            };
+            window.SVGPathSegCurvetoCubicAbs.prototype._asPathString = function () {
+                return this.pathSegTypeAsLetter + " " + this._x1 + " " + this._y1 + " " + this._x2 + " " + this._y2 + " " + this._x + " " + this._y;
+            };
+            window.SVGPathSegCurvetoCubicAbs.prototype.clone = function () {
+                return new window.SVGPathSegCurvetoCubicAbs(undefined, this._x, this._y, this._x1, this._y1, this._x2, this._y2);
+            };
+            Object.defineProperty(window.SVGPathSegCurvetoCubicAbs.prototype, "x", { get: function get() {
+                    return this._x;
+                }, set: function set(x) {
+                    this._x = x;this._segmentChanged();
+                }, enumerable: true });
+            Object.defineProperty(window.SVGPathSegCurvetoCubicAbs.prototype, "y", { get: function get() {
+                    return this._y;
+                }, set: function set(y) {
+                    this._y = y;this._segmentChanged();
+                }, enumerable: true });
+            Object.defineProperty(window.SVGPathSegCurvetoCubicAbs.prototype, "x1", { get: function get() {
+                    return this._x1;
+                }, set: function set(x1) {
+                    this._x1 = x1;this._segmentChanged();
+                }, enumerable: true });
+            Object.defineProperty(window.SVGPathSegCurvetoCubicAbs.prototype, "y1", { get: function get() {
+                    return this._y1;
+                }, set: function set(y1) {
+                    this._y1 = y1;this._segmentChanged();
+                }, enumerable: true });
+            Object.defineProperty(window.SVGPathSegCurvetoCubicAbs.prototype, "x2", { get: function get() {
+                    return this._x2;
+                }, set: function set(x2) {
+                    this._x2 = x2;this._segmentChanged();
+                }, enumerable: true });
+            Object.defineProperty(window.SVGPathSegCurvetoCubicAbs.prototype, "y2", { get: function get() {
+                    return this._y2;
+                }, set: function set(y2) {
+                    this._y2 = y2;this._segmentChanged();
+                }, enumerable: true });
+
+            window.SVGPathSegCurvetoCubicRel = function (owningPathSegList, x, y, x1, y1, x2, y2) {
+                window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL, "c", owningPathSegList);
+                this._x = x;
+                this._y = y;
+                this._x1 = x1;
+                this._y1 = y1;
+                this._x2 = x2;
+                this._y2 = y2;
+            };
+            window.SVGPathSegCurvetoCubicRel.prototype = Object.create(window.SVGPathSeg.prototype);
+            window.SVGPathSegCurvetoCubicRel.prototype.toString = function () {
+                return "[object SVGPathSegCurvetoCubicRel]";
+            };
+            window.SVGPathSegCurvetoCubicRel.prototype._asPathString = function () {
+                return this.pathSegTypeAsLetter + " " + this._x1 + " " + this._y1 + " " + this._x2 + " " + this._y2 + " " + this._x + " " + this._y;
+            };
+            window.SVGPathSegCurvetoCubicRel.prototype.clone = function () {
+                return new window.SVGPathSegCurvetoCubicRel(undefined, this._x, this._y, this._x1, this._y1, this._x2, this._y2);
+            };
+            Object.defineProperty(window.SVGPathSegCurvetoCubicRel.prototype, "x", { get: function get() {
+                    return this._x;
+                }, set: function set(x) {
+                    this._x = x;this._segmentChanged();
+                }, enumerable: true });
+            Object.defineProperty(window.SVGPathSegCurvetoCubicRel.prototype, "y", { get: function get() {
+                    return this._y;
+                }, set: function set(y) {
+                    this._y = y;this._segmentChanged();
+                }, enumerable: true });
+            Object.defineProperty(window.SVGPathSegCurvetoCubicRel.prototype, "x1", { get: function get() {
+                    return this._x1;
+                }, set: function set(x1) {
+                    this._x1 = x1;this._segmentChanged();
+                }, enumerable: true });
+            Object.defineProperty(window.SVGPathSegCurvetoCubicRel.prototype, "y1", { get: function get() {
+                    return this._y1;
+                }, set: function set(y1) {
+                    this._y1 = y1;this._segmentChanged();
+                }, enumerable: true });
+            Object.defineProperty(window.SVGPathSegCurvetoCubicRel.prototype, "x2", { get: function get() {
+                    return this._x2;
+                }, set: function set(x2) {
+                    this._x2 = x2;this._segmentChanged();
+                }, enumerable: true });
+            Object.defineProperty(window.SVGPathSegCurvetoCubicRel.prototype, "y2", { get: function get() {
+                    return this._y2;
+                }, set: function set(y2) {
+                    this._y2 = y2;this._segmentChanged();
+                }, enumerable: true });
+
+            window.SVGPathSegCurvetoQuadraticAbs = function (owningPathSegList, x, y, x1, y1) {
+                window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS, "Q", owningPathSegList);
+                this._x = x;
+                this._y = y;
+                this._x1 = x1;
+                this._y1 = y1;
+            };
+            window.SVGPathSegCurvetoQuadraticAbs.prototype = Object.create(window.SVGPathSeg.prototype);
+            window.SVGPathSegCurvetoQuadraticAbs.prototype.toString = function () {
+                return "[object SVGPathSegCurvetoQuadraticAbs]";
+            };
+            window.SVGPathSegCurvetoQuadraticAbs.prototype._asPathString = function () {
+                return this.pathSegTypeAsLetter + " " + this._x1 + " " + this._y1 + " " + this._x + " " + this._y;
+            };
+            window.SVGPathSegCurvetoQuadraticAbs.prototype.clone = function () {
+                return new window.SVGPathSegCurvetoQuadraticAbs(undefined, this._x, this._y, this._x1, this._y1);
+            };
+            Object.defineProperty(window.SVGPathSegCurvetoQuadraticAbs.prototype, "x", { get: function get() {
+                    return this._x;
+                }, set: function set(x) {
+                    this._x = x;this._segmentChanged();
+                }, enumerable: true });
+            Object.defineProperty(window.SVGPathSegCurvetoQuadraticAbs.prototype, "y", { get: function get() {
+                    return this._y;
+                }, set: function set(y) {
+                    this._y = y;this._segmentChanged();
+                }, enumerable: true });
+            Object.defineProperty(window.SVGPathSegCurvetoQuadraticAbs.prototype, "x1", { get: function get() {
+                    return this._x1;
+                }, set: function set(x1) {
+                    this._x1 = x1;this._segmentChanged();
+                }, enumerable: true });
+            Object.defineProperty(window.SVGPathSegCurvetoQuadraticAbs.prototype, "y1", { get: function get() {
+                    return this._y1;
+                }, set: function set(y1) {
+                    this._y1 = y1;this._segmentChanged();
+                }, enumerable: true });
+
+            window.SVGPathSegCurvetoQuadraticRel = function (owningPathSegList, x, y, x1, y1) {
+                window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL, "q", owningPathSegList);
+                this._x = x;
+                this._y = y;
+                this._x1 = x1;
+                this._y1 = y1;
+            };
+            window.SVGPathSegCurvetoQuadraticRel.prototype = Object.create(window.SVGPathSeg.prototype);
+            window.SVGPathSegCurvetoQuadraticRel.prototype.toString = function () {
+                return "[object SVGPathSegCurvetoQuadraticRel]";
+            };
+            window.SVGPathSegCurvetoQuadraticRel.prototype._asPathString = function () {
+                return this.pathSegTypeAsLetter + " " + this._x1 + " " + this._y1 + " " + this._x + " " + this._y;
+            };
+            window.SVGPathSegCurvetoQuadraticRel.prototype.clone = function () {
+                return new window.SVGPathSegCurvetoQuadraticRel(undefined, this._x, this._y, this._x1, this._y1);
+            };
+            Object.defineProperty(window.SVGPathSegCurvetoQuadraticRel.prototype, "x", { get: function get() {
+                    return this._x;
+                }, set: function set(x) {
+                    this._x = x;this._segmentChanged();
+                }, enumerable: true });
+            Object.defineProperty(window.SVGPathSegCurvetoQuadraticRel.prototype, "y", { get: function get() {
+                    return this._y;
+                }, set: function set(y) {
+                    this._y = y;this._segmentChanged();
+                }, enumerable: true });
+            Object.defineProperty(window.SVGPathSegCurvetoQuadraticRel.prototype, "x1", { get: function get() {
+                    return this._x1;
+                }, set: function set(x1) {
+                    this._x1 = x1;this._segmentChanged();
+                }, enumerable: true });
+            Object.defineProperty(window.SVGPathSegCurvetoQuadraticRel.prototype, "y1", { get: function get() {
+                    return this._y1;
+                }, set: function set(y1) {
+                    this._y1 = y1;this._segmentChanged();
+                }, enumerable: true });
+
+            window.SVGPathSegArcAbs = function (owningPathSegList, x, y, r1, r2, angle, largeArcFlag, sweepFlag) {
+                window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_ARC_ABS, "A", owningPathSegList);
+                this._x = x;
+                this._y = y;
+                this._r1 = r1;
+                this._r2 = r2;
+                this._angle = angle;
+                this._largeArcFlag = largeArcFlag;
+                this._sweepFlag = sweepFlag;
+            };
+            window.SVGPathSegArcAbs.prototype = Object.create(window.SVGPathSeg.prototype);
+            window.SVGPathSegArcAbs.prototype.toString = function () {
+                return "[object SVGPathSegArcAbs]";
+            };
+            window.SVGPathSegArcAbs.prototype._asPathString = function () {
+                return this.pathSegTypeAsLetter + " " + this._r1 + " " + this._r2 + " " + this._angle + " " + (this._largeArcFlag ? "1" : "0") + " " + (this._sweepFlag ? "1" : "0") + " " + this._x + " " + this._y;
+            };
+            window.SVGPathSegArcAbs.prototype.clone = function () {
+                return new window.SVGPathSegArcAbs(undefined, this._x, this._y, this._r1, this._r2, this._angle, this._largeArcFlag, this._sweepFlag);
+            };
+            Object.defineProperty(window.SVGPathSegArcAbs.prototype, "x", { get: function get() {
+                    return this._x;
+                }, set: function set(x) {
+                    this._x = x;this._segmentChanged();
+                }, enumerable: true });
+            Object.defineProperty(window.SVGPathSegArcAbs.prototype, "y", { get: function get() {
+                    return this._y;
+                }, set: function set(y) {
+                    this._y = y;this._segmentChanged();
+                }, enumerable: true });
+            Object.defineProperty(window.SVGPathSegArcAbs.prototype, "r1", { get: function get() {
+                    return this._r1;
+                }, set: function set(r1) {
+                    this._r1 = r1;this._segmentChanged();
+                }, enumerable: true });
+            Object.defineProperty(window.SVGPathSegArcAbs.prototype, "r2", { get: function get() {
+                    return this._r2;
+                }, set: function set(r2) {
+                    this._r2 = r2;this._segmentChanged();
+                }, enumerable: true });
+            Object.defineProperty(window.SVGPathSegArcAbs.prototype, "angle", { get: function get() {
+                    return this._angle;
+                }, set: function set(angle) {
+                    this._angle = angle;this._segmentChanged();
+                }, enumerable: true });
+            Object.defineProperty(window.SVGPathSegArcAbs.prototype, "largeArcFlag", { get: function get() {
+                    return this._largeArcFlag;
+                }, set: function set(largeArcFlag) {
+                    this._largeArcFlag = largeArcFlag;this._segmentChanged();
+                }, enumerable: true });
+            Object.defineProperty(window.SVGPathSegArcAbs.prototype, "sweepFlag", { get: function get() {
+                    return this._sweepFlag;
+                }, set: function set(sweepFlag) {
+                    this._sweepFlag = sweepFlag;this._segmentChanged();
+                }, enumerable: true });
+
+            window.SVGPathSegArcRel = function (owningPathSegList, x, y, r1, r2, angle, largeArcFlag, sweepFlag) {
+                window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_ARC_REL, "a", owningPathSegList);
+                this._x = x;
+                this._y = y;
+                this._r1 = r1;
+                this._r2 = r2;
+                this._angle = angle;
+                this._largeArcFlag = largeArcFlag;
+                this._sweepFlag = sweepFlag;
+            };
+            window.SVGPathSegArcRel.prototype = Object.create(window.SVGPathSeg.prototype);
+            window.SVGPathSegArcRel.prototype.toString = function () {
+                return "[object SVGPathSegArcRel]";
+            };
+            window.SVGPathSegArcRel.prototype._asPathString = function () {
+                return this.pathSegTypeAsLetter + " " + this._r1 + " " + this._r2 + " " + this._angle + " " + (this._largeArcFlag ? "1" : "0") + " " + (this._sweepFlag ? "1" : "0") + " " + this._x + " " + this._y;
+            };
+            window.SVGPathSegArcRel.prototype.clone = function () {
+                return new window.SVGPathSegArcRel(undefined, this._x, this._y, this._r1, this._r2, this._angle, this._largeArcFlag, this._sweepFlag);
+            };
+            Object.defineProperty(window.SVGPathSegArcRel.prototype, "x", { get: function get() {
+                    return this._x;
+                }, set: function set(x) {
+                    this._x = x;this._segmentChanged();
+                }, enumerable: true });
+            Object.defineProperty(window.SVGPathSegArcRel.prototype, "y", { get: function get() {
+                    return this._y;
+                }, set: function set(y) {
+                    this._y = y;this._segmentChanged();
+                }, enumerable: true });
+            Object.defineProperty(window.SVGPathSegArcRel.prototype, "r1", { get: function get() {
+                    return this._r1;
+                }, set: function set(r1) {
+                    this._r1 = r1;this._segmentChanged();
+                }, enumerable: true });
+            Object.defineProperty(window.SVGPathSegArcRel.prototype, "r2", { get: function get() {
+                    return this._r2;
+                }, set: function set(r2) {
+                    this._r2 = r2;this._segmentChanged();
+                }, enumerable: true });
+            Object.defineProperty(window.SVGPathSegArcRel.prototype, "angle", { get: function get() {
+                    return this._angle;
+                }, set: function set(angle) {
+                    this._angle = angle;this._segmentChanged();
+                }, enumerable: true });
+            Object.defineProperty(window.SVGPathSegArcRel.prototype, "largeArcFlag", { get: function get() {
+                    return this._largeArcFlag;
+                }, set: function set(largeArcFlag) {
+                    this._largeArcFlag = largeArcFlag;this._segmentChanged();
+                }, enumerable: true });
+            Object.defineProperty(window.SVGPathSegArcRel.prototype, "sweepFlag", { get: function get() {
+                    return this._sweepFlag;
+                }, set: function set(sweepFlag) {
+                    this._sweepFlag = sweepFlag;this._segmentChanged();
+                }, enumerable: true });
+
+            window.SVGPathSegLinetoHorizontalAbs = function (owningPathSegList, x) {
+                window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS, "H", owningPathSegList);
+                this._x = x;
+            };
+            window.SVGPathSegLinetoHorizontalAbs.prototype = Object.create(window.SVGPathSeg.prototype);
+            window.SVGPathSegLinetoHorizontalAbs.prototype.toString = function () {
+                return "[object SVGPathSegLinetoHorizontalAbs]";
+            };
+            window.SVGPathSegLinetoHorizontalAbs.prototype._asPathString = function () {
+                return this.pathSegTypeAsLetter + " " + this._x;
+            };
+            window.SVGPathSegLinetoHorizontalAbs.prototype.clone = function () {
+                return new window.SVGPathSegLinetoHorizontalAbs(undefined, this._x);
+            };
+            Object.defineProperty(window.SVGPathSegLinetoHorizontalAbs.prototype, "x", { get: function get() {
+                    return this._x;
+                }, set: function set(x) {
+                    this._x = x;this._segmentChanged();
+                }, enumerable: true });
+
+            window.SVGPathSegLinetoHorizontalRel = function (owningPathSegList, x) {
+                window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL, "h", owningPathSegList);
+                this._x = x;
+            };
+            window.SVGPathSegLinetoHorizontalRel.prototype = Object.create(window.SVGPathSeg.prototype);
+            window.SVGPathSegLinetoHorizontalRel.prototype.toString = function () {
+                return "[object SVGPathSegLinetoHorizontalRel]";
+            };
+            window.SVGPathSegLinetoHorizontalRel.prototype._asPathString = function () {
+                return this.pathSegTypeAsLetter + " " + this._x;
+            };
+            window.SVGPathSegLinetoHorizontalRel.prototype.clone = function () {
+                return new window.SVGPathSegLinetoHorizontalRel(undefined, this._x);
+            };
+            Object.defineProperty(window.SVGPathSegLinetoHorizontalRel.prototype, "x", { get: function get() {
+                    return this._x;
+                }, set: function set(x) {
+                    this._x = x;this._segmentChanged();
+                }, enumerable: true });
+
+            window.SVGPathSegLinetoVerticalAbs = function (owningPathSegList, y) {
+                window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS, "V", owningPathSegList);
+                this._y = y;
+            };
+            window.SVGPathSegLinetoVerticalAbs.prototype = Object.create(window.SVGPathSeg.prototype);
+            window.SVGPathSegLinetoVerticalAbs.prototype.toString = function () {
+                return "[object SVGPathSegLinetoVerticalAbs]";
+            };
+            window.SVGPathSegLinetoVerticalAbs.prototype._asPathString = function () {
+                return this.pathSegTypeAsLetter + " " + this._y;
+            };
+            window.SVGPathSegLinetoVerticalAbs.prototype.clone = function () {
+                return new window.SVGPathSegLinetoVerticalAbs(undefined, this._y);
+            };
+            Object.defineProperty(window.SVGPathSegLinetoVerticalAbs.prototype, "y", { get: function get() {
+                    return this._y;
+                }, set: function set(y) {
+                    this._y = y;this._segmentChanged();
+                }, enumerable: true });
+
+            window.SVGPathSegLinetoVerticalRel = function (owningPathSegList, y) {
+                window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL, "v", owningPathSegList);
+                this._y = y;
+            };
+            window.SVGPathSegLinetoVerticalRel.prototype = Object.create(window.SVGPathSeg.prototype);
+            window.SVGPathSegLinetoVerticalRel.prototype.toString = function () {
+                return "[object SVGPathSegLinetoVerticalRel]";
+            };
+            window.SVGPathSegLinetoVerticalRel.prototype._asPathString = function () {
+                return this.pathSegTypeAsLetter + " " + this._y;
+            };
+            window.SVGPathSegLinetoVerticalRel.prototype.clone = function () {
+                return new window.SVGPathSegLinetoVerticalRel(undefined, this._y);
+            };
+            Object.defineProperty(window.SVGPathSegLinetoVerticalRel.prototype, "y", { get: function get() {
+                    return this._y;
+                }, set: function set(y) {
+                    this._y = y;this._segmentChanged();
+                }, enumerable: true });
+
+            window.SVGPathSegCurvetoCubicSmoothAbs = function (owningPathSegList, x, y, x2, y2) {
+                window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS, "S", owningPathSegList);
+                this._x = x;
+                this._y = y;
+                this._x2 = x2;
+                this._y2 = y2;
+            };
+            window.SVGPathSegCurvetoCubicSmoothAbs.prototype = Object.create(window.SVGPathSeg.prototype);
+            window.SVGPathSegCurvetoCubicSmoothAbs.prototype.toString = function () {
+                return "[object SVGPathSegCurvetoCubicSmoothAbs]";
+            };
+            window.SVGPathSegCurvetoCubicSmoothAbs.prototype._asPathString = function () {
+                return this.pathSegTypeAsLetter + " " + this._x2 + " " + this._y2 + " " + this._x + " " + this._y;
+            };
+            window.SVGPathSegCurvetoCubicSmoothAbs.prototype.clone = function () {
+                return new window.SVGPathSegCurvetoCubicSmoothAbs(undefined, this._x, this._y, this._x2, this._y2);
+            };
+            Object.defineProperty(window.SVGPathSegCurvetoCubicSmoothAbs.prototype, "x", { get: function get() {
+                    return this._x;
+                }, set: function set(x) {
+                    this._x = x;this._segmentChanged();
+                }, enumerable: true });
+            Object.defineProperty(window.SVGPathSegCurvetoCubicSmoothAbs.prototype, "y", { get: function get() {
+                    return this._y;
+                }, set: function set(y) {
+                    this._y = y;this._segmentChanged();
+                }, enumerable: true });
+            Object.defineProperty(window.SVGPathSegCurvetoCubicSmoothAbs.prototype, "x2", { get: function get() {
+                    return this._x2;
+                }, set: function set(x2) {
+                    this._x2 = x2;this._segmentChanged();
+                }, enumerable: true });
+            Object.defineProperty(window.SVGPathSegCurvetoCubicSmoothAbs.prototype, "y2", { get: function get() {
+                    return this._y2;
+                }, set: function set(y2) {
+                    this._y2 = y2;this._segmentChanged();
+                }, enumerable: true });
+
+            window.SVGPathSegCurvetoCubicSmoothRel = function (owningPathSegList, x, y, x2, y2) {
+                window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL, "s", owningPathSegList);
+                this._x = x;
+                this._y = y;
+                this._x2 = x2;
+                this._y2 = y2;
+            };
+            window.SVGPathSegCurvetoCubicSmoothRel.prototype = Object.create(window.SVGPathSeg.prototype);
+            window.SVGPathSegCurvetoCubicSmoothRel.prototype.toString = function () {
+                return "[object SVGPathSegCurvetoCubicSmoothRel]";
+            };
+            window.SVGPathSegCurvetoCubicSmoothRel.prototype._asPathString = function () {
+                return this.pathSegTypeAsLetter + " " + this._x2 + " " + this._y2 + " " + this._x + " " + this._y;
+            };
+            window.SVGPathSegCurvetoCubicSmoothRel.prototype.clone = function () {
+                return new window.SVGPathSegCurvetoCubicSmoothRel(undefined, this._x, this._y, this._x2, this._y2);
+            };
+            Object.defineProperty(window.SVGPathSegCurvetoCubicSmoothRel.prototype, "x", { get: function get() {
+                    return this._x;
+                }, set: function set(x) {
+                    this._x = x;this._segmentChanged();
+                }, enumerable: true });
+            Object.defineProperty(window.SVGPathSegCurvetoCubicSmoothRel.prototype, "y", { get: function get() {
+                    return this._y;
+                }, set: function set(y) {
+                    this._y = y;this._segmentChanged();
+                }, enumerable: true });
+            Object.defineProperty(window.SVGPathSegCurvetoCubicSmoothRel.prototype, "x2", { get: function get() {
+                    return this._x2;
+                }, set: function set(x2) {
+                    this._x2 = x2;this._segmentChanged();
+                }, enumerable: true });
+            Object.defineProperty(window.SVGPathSegCurvetoCubicSmoothRel.prototype, "y2", { get: function get() {
+                    return this._y2;
+                }, set: function set(y2) {
+                    this._y2 = y2;this._segmentChanged();
+                }, enumerable: true });
+
+            window.SVGPathSegCurvetoQuadraticSmoothAbs = function (owningPathSegList, x, y) {
+                window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS, "T", owningPathSegList);
+                this._x = x;
+                this._y = y;
+            };
+            window.SVGPathSegCurvetoQuadraticSmoothAbs.prototype = Object.create(window.SVGPathSeg.prototype);
+            window.SVGPathSegCurvetoQuadraticSmoothAbs.prototype.toString = function () {
+                return "[object SVGPathSegCurvetoQuadraticSmoothAbs]";
+            };
+            window.SVGPathSegCurvetoQuadraticSmoothAbs.prototype._asPathString = function () {
+                return this.pathSegTypeAsLetter + " " + this._x + " " + this._y;
+            };
+            window.SVGPathSegCurvetoQuadraticSmoothAbs.prototype.clone = function () {
+                return new window.SVGPathSegCurvetoQuadraticSmoothAbs(undefined, this._x, this._y);
+            };
+            Object.defineProperty(window.SVGPathSegCurvetoQuadraticSmoothAbs.prototype, "x", { get: function get() {
+                    return this._x;
+                }, set: function set(x) {
+                    this._x = x;this._segmentChanged();
+                }, enumerable: true });
+            Object.defineProperty(window.SVGPathSegCurvetoQuadraticSmoothAbs.prototype, "y", { get: function get() {
+                    return this._y;
+                }, set: function set(y) {
+                    this._y = y;this._segmentChanged();
+                }, enumerable: true });
+
+            window.SVGPathSegCurvetoQuadraticSmoothRel = function (owningPathSegList, x, y) {
+                window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL, "t", owningPathSegList);
+                this._x = x;
+                this._y = y;
+            };
+            window.SVGPathSegCurvetoQuadraticSmoothRel.prototype = Object.create(window.SVGPathSeg.prototype);
+            window.SVGPathSegCurvetoQuadraticSmoothRel.prototype.toString = function () {
+                return "[object SVGPathSegCurvetoQuadraticSmoothRel]";
+            };
+            window.SVGPathSegCurvetoQuadraticSmoothRel.prototype._asPathString = function () {
+                return this.pathSegTypeAsLetter + " " + this._x + " " + this._y;
+            };
+            window.SVGPathSegCurvetoQuadraticSmoothRel.prototype.clone = function () {
+                return new window.SVGPathSegCurvetoQuadraticSmoothRel(undefined, this._x, this._y);
+            };
+            Object.defineProperty(window.SVGPathSegCurvetoQuadraticSmoothRel.prototype, "x", { get: function get() {
+                    return this._x;
+                }, set: function set(x) {
+                    this._x = x;this._segmentChanged();
+                }, enumerable: true });
+            Object.defineProperty(window.SVGPathSegCurvetoQuadraticSmoothRel.prototype, "y", { get: function get() {
+                    return this._y;
+                }, set: function set(y) {
+                    this._y = y;this._segmentChanged();
+                }, enumerable: true });
+
+            // Add createSVGPathSeg* functions to window.SVGPathElement.
+            // Spec: http://www.w3.org/TR/SVG11/single-page.html#paths-Interfacewindow.SVGPathElement.
+            window.SVGPathElement.prototype.createSVGPathSegClosePath = function () {
+                return new window.SVGPathSegClosePath(undefined);
+            };
+            window.SVGPathElement.prototype.createSVGPathSegMovetoAbs = function (x, y) {
+                return new window.SVGPathSegMovetoAbs(undefined, x, y);
+            };
+            window.SVGPathElement.prototype.createSVGPathSegMovetoRel = function (x, y) {
+                return new window.SVGPathSegMovetoRel(undefined, x, y);
+            };
+            window.SVGPathElement.prototype.createSVGPathSegLinetoAbs = function (x, y) {
+                return new window.SVGPathSegLinetoAbs(undefined, x, y);
+            };
+            window.SVGPathElement.prototype.createSVGPathSegLinetoRel = function (x, y) {
+                return new window.SVGPathSegLinetoRel(undefined, x, y);
+            };
+            window.SVGPathElement.prototype.createSVGPathSegCurvetoCubicAbs = function (x, y, x1, y1, x2, y2) {
+                return new window.SVGPathSegCurvetoCubicAbs(undefined, x, y, x1, y1, x2, y2);
+            };
+            window.SVGPathElement.prototype.createSVGPathSegCurvetoCubicRel = function (x, y, x1, y1, x2, y2) {
+                return new window.SVGPathSegCurvetoCubicRel(undefined, x, y, x1, y1, x2, y2);
+            };
+            window.SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticAbs = function (x, y, x1, y1) {
+                return new window.SVGPathSegCurvetoQuadraticAbs(undefined, x, y, x1, y1);
+            };
+            window.SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticRel = function (x, y, x1, y1) {
+                return new window.SVGPathSegCurvetoQuadraticRel(undefined, x, y, x1, y1);
+            };
+            window.SVGPathElement.prototype.createSVGPathSegArcAbs = function (x, y, r1, r2, angle, largeArcFlag, sweepFlag) {
+                return new window.SVGPathSegArcAbs(undefined, x, y, r1, r2, angle, largeArcFlag, sweepFlag);
+            };
+            window.SVGPathElement.prototype.createSVGPathSegArcRel = function (x, y, r1, r2, angle, largeArcFlag, sweepFlag) {
+                return new window.SVGPathSegArcRel(undefined, x, y, r1, r2, angle, largeArcFlag, sweepFlag);
+            };
+            window.SVGPathElement.prototype.createSVGPathSegLinetoHorizontalAbs = function (x) {
+                return new window.SVGPathSegLinetoHorizontalAbs(undefined, x);
+            };
+            window.SVGPathElement.prototype.createSVGPathSegLinetoHorizontalRel = function (x) {
+                return new window.SVGPathSegLinetoHorizontalRel(undefined, x);
+            };
+            window.SVGPathElement.prototype.createSVGPathSegLinetoVerticalAbs = function (y) {
+                return new window.SVGPathSegLinetoVerticalAbs(undefined, y);
+            };
+            window.SVGPathElement.prototype.createSVGPathSegLinetoVerticalRel = function (y) {
+                return new window.SVGPathSegLinetoVerticalRel(undefined, y);
+            };
+            window.SVGPathElement.prototype.createSVGPathSegCurvetoCubicSmoothAbs = function (x, y, x2, y2) {
+                return new window.SVGPathSegCurvetoCubicSmoothAbs(undefined, x, y, x2, y2);
+            };
+            window.SVGPathElement.prototype.createSVGPathSegCurvetoCubicSmoothRel = function (x, y, x2, y2) {
+                return new window.SVGPathSegCurvetoCubicSmoothRel(undefined, x, y, x2, y2);
+            };
+            window.SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticSmoothAbs = function (x, y) {
+                return new window.SVGPathSegCurvetoQuadraticSmoothAbs(undefined, x, y);
+            };
+            window.SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticSmoothRel = function (x, y) {
+                return new window.SVGPathSegCurvetoQuadraticSmoothRel(undefined, x, y);
+            };
+
+            if (!("getPathSegAtLength" in window.SVGPathElement.prototype)) {
+                // Add getPathSegAtLength to SVGPathElement.
+                // Spec: https://www.w3.org/TR/SVG11/single-page.html#paths-__svg__SVGPathElement__getPathSegAtLength
+                // This polyfill requires SVGPathElement.getTotalLength to implement the distance-along-a-path algorithm.
+                window.SVGPathElement.prototype.getPathSegAtLength = function (distance) {
+                    if (distance === undefined || !isFinite(distance)) throw "Invalid arguments.";
+
+                    var measurementElement = document.createElementNS("http://www.w3.org/2000/svg", "path");
+                    measurementElement.setAttribute("d", this.getAttribute("d"));
+                    var lastPathSegment = measurementElement.pathSegList.numberOfItems - 1;
+
+                    // If the path is empty, return 0.
+                    if (lastPathSegment <= 0) return 0;
+
+                    do {
+                        measurementElement.pathSegList.removeItem(lastPathSegment);
+                        if (distance > measurementElement.getTotalLength()) break;
+                        lastPathSegment--;
+                    } while (lastPathSegment > 0);
+                    return lastPathSegment;
+                };
+            }
+        }
+
+        if (!("SVGPathSegList" in window)) {
+            // Spec: http://www.w3.org/TR/SVG11/single-page.html#paths-InterfaceSVGPathSegList
+            window.SVGPathSegList = function (pathElement) {
+                this._pathElement = pathElement;
+                this._list = this._parsePath(this._pathElement.getAttribute("d"));
+
+                // Use a MutationObserver to catch changes to the path's "d" attribute.
+                this._mutationObserverConfig = { "attributes": true, "attributeFilter": ["d"] };
+                this._pathElementMutationObserver = new MutationObserver(this._updateListFromPathMutations.bind(this));
+                this._pathElementMutationObserver.observe(this._pathElement, this._mutationObserverConfig);
+            };
+
+            window.SVGPathSegList.prototype.classname = "SVGPathSegList";
+
+            Object.defineProperty(window.SVGPathSegList.prototype, "numberOfItems", {
+                get: function get() {
+                    this._checkPathSynchronizedToList();
+                    return this._list.length;
+                },
+                enumerable: true
+            });
+
+            // Add the pathSegList accessors to window.SVGPathElement.
+            // Spec: http://www.w3.org/TR/SVG11/single-page.html#paths-InterfaceSVGAnimatedPathData
+            Object.defineProperty(window.SVGPathElement.prototype, "pathSegList", {
+                get: function get() {
+                    if (!this._pathSegList) this._pathSegList = new window.SVGPathSegList(this);
+                    return this._pathSegList;
+                },
+                enumerable: true
+            });
+            // FIXME: The following are not implemented and simply return window.SVGPathElement.pathSegList.
+            Object.defineProperty(window.SVGPathElement.prototype, "normalizedPathSegList", { get: function get() {
+                    return this.pathSegList;
+                }, enumerable: true });
+            Object.defineProperty(window.SVGPathElement.prototype, "animatedPathSegList", { get: function get() {
+                    return this.pathSegList;
+                }, enumerable: true });
+            Object.defineProperty(window.SVGPathElement.prototype, "animatedNormalizedPathSegList", { get: function get() {
+                    return this.pathSegList;
+                }, enumerable: true });
+
+            // Process any pending mutations to the path element and update the list as needed.
+            // This should be the first call of all public functions and is needed because
+            // MutationObservers are not synchronous so we can have pending asynchronous mutations.
+            window.SVGPathSegList.prototype._checkPathSynchronizedToList = function () {
+                this._updateListFromPathMutations(this._pathElementMutationObserver.takeRecords());
+            };
+
+            window.SVGPathSegList.prototype._updateListFromPathMutations = function (mutationRecords) {
+                if (!this._pathElement) return;
+                var hasPathMutations = false;
+                mutationRecords.forEach(function (record) {
+                    if (record.attributeName == "d") hasPathMutations = true;
+                });
+                if (hasPathMutations) this._list = this._parsePath(this._pathElement.getAttribute("d"));
+            };
+
+            // Serialize the list and update the path's 'd' attribute.
+            window.SVGPathSegList.prototype._writeListToPath = function () {
+                this._pathElementMutationObserver.disconnect();
+                this._pathElement.setAttribute("d", window.SVGPathSegList._pathSegArrayAsString(this._list));
+                this._pathElementMutationObserver.observe(this._pathElement, this._mutationObserverConfig);
+            };
+
+            // When a path segment changes the list needs to be synchronized back to the path element.
+            window.SVGPathSegList.prototype.segmentChanged = function (pathSeg) {
+                this._writeListToPath();
+            };
+
+            window.SVGPathSegList.prototype.clear = function () {
+                this._checkPathSynchronizedToList();
+
+                this._list.forEach(function (pathSeg) {
+                    pathSeg._owningPathSegList = null;
+                });
+                this._list = [];
+                this._writeListToPath();
+            };
+
+            window.SVGPathSegList.prototype.initialize = function (newItem) {
+                this._checkPathSynchronizedToList();
+
+                this._list = [newItem];
+                newItem._owningPathSegList = this;
+                this._writeListToPath();
+                return newItem;
+            };
+
+            window.SVGPathSegList.prototype._checkValidIndex = function (index) {
+                if (isNaN(index) || index < 0 || index >= this.numberOfItems) throw "INDEX_SIZE_ERR";
+            };
+
+            window.SVGPathSegList.prototype.getItem = function (index) {
+                this._checkPathSynchronizedToList();
+
+                this._checkValidIndex(index);
+                return this._list[index];
+            };
+
+            window.SVGPathSegList.prototype.insertItemBefore = function (newItem, index) {
+                this._checkPathSynchronizedToList();
+
+                // Spec: If the index is greater than or equal to numberOfItems, then the new item is appended to the end of the list.
+                if (index > this.numberOfItems) index = this.numberOfItems;
+                if (newItem._owningPathSegList) {
+                    // SVG2 spec says to make a copy.
+                    newItem = newItem.clone();
+                }
+                this._list.splice(index, 0, newItem);
+                newItem._owningPathSegList = this;
+                this._writeListToPath();
+                return newItem;
+            };
+
+            window.SVGPathSegList.prototype.replaceItem = function (newItem, index) {
+                this._checkPathSynchronizedToList();
+
+                if (newItem._owningPathSegList) {
+                    // SVG2 spec says to make a copy.
+                    newItem = newItem.clone();
+                }
+                this._checkValidIndex(index);
+                this._list[index] = newItem;
+                newItem._owningPathSegList = this;
+                this._writeListToPath();
+                return newItem;
+            };
+
+            window.SVGPathSegList.prototype.removeItem = function (index) {
+                this._checkPathSynchronizedToList();
+
+                this._checkValidIndex(index);
+                var item = this._list[index];
+                this._list.splice(index, 1);
+                this._writeListToPath();
+                return item;
+            };
+
+            window.SVGPathSegList.prototype.appendItem = function (newItem) {
+                this._checkPathSynchronizedToList();
+
+                if (newItem._owningPathSegList) {
+                    // SVG2 spec says to make a copy.
+                    newItem = newItem.clone();
+                }
+                this._list.push(newItem);
+                newItem._owningPathSegList = this;
+                // TODO: Optimize this to just append to the existing attribute.
+                this._writeListToPath();
+                return newItem;
+            };
+
+            window.SVGPathSegList._pathSegArrayAsString = function (pathSegArray) {
+                var string = "";
+                var first = true;
+                pathSegArray.forEach(function (pathSeg) {
+                    if (first) {
+                        first = false;
+                        string += pathSeg._asPathString();
+                    } else {
+                        string += " " + pathSeg._asPathString();
+                    }
+                });
+                return string;
+            };
+
+            // This closely follows SVGPathParser::parsePath from Source/core/svg/SVGPathParser.cpp.
+            window.SVGPathSegList.prototype._parsePath = function (string) {
+                if (!string || string.length == 0) return [];
+
+                var owningPathSegList = this;
+
+                var Builder = function Builder() {
+                    this.pathSegList = [];
+                };
+
+                Builder.prototype.appendSegment = function (pathSeg) {
+                    this.pathSegList.push(pathSeg);
+                };
+
+                var Source = function Source(string) {
+                    this._string = string;
+                    this._currentIndex = 0;
+                    this._endIndex = this._string.length;
+                    this._previousCommand = window.SVGPathSeg.PATHSEG_UNKNOWN;
+
+                    this._skipOptionalSpaces();
+                };
+
+                Source.prototype._isCurrentSpace = function () {
+                    var character = this._string[this._currentIndex];
+                    return character <= " " && (character == " " || character == "\n" || character == "\t" || character == "\r" || character == "\f");
+                };
+
+                Source.prototype._skipOptionalSpaces = function () {
+                    while (this._currentIndex < this._endIndex && this._isCurrentSpace()) {
+                        this._currentIndex++;
+                    }return this._currentIndex < this._endIndex;
+                };
+
+                Source.prototype._skipOptionalSpacesOrDelimiter = function () {
+                    if (this._currentIndex < this._endIndex && !this._isCurrentSpace() && this._string.charAt(this._currentIndex) != ",") return false;
+                    if (this._skipOptionalSpaces()) {
+                        if (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) == ",") {
+                            this._currentIndex++;
+                            this._skipOptionalSpaces();
+                        }
+                    }
+                    return this._currentIndex < this._endIndex;
+                };
+
+                Source.prototype.hasMoreData = function () {
+                    return this._currentIndex < this._endIndex;
+                };
+
+                Source.prototype.peekSegmentType = function () {
+                    var lookahead = this._string[this._currentIndex];
+                    return this._pathSegTypeFromChar(lookahead);
+                };
+
+                Source.prototype._pathSegTypeFromChar = function (lookahead) {
+                    switch (lookahead) {
+                        case "Z":
+                        case "z":
+                            return window.SVGPathSeg.PATHSEG_CLOSEPATH;
+                        case "M":
+                            return window.SVGPathSeg.PATHSEG_MOVETO_ABS;
+                        case "m":
+                            return window.SVGPathSeg.PATHSEG_MOVETO_REL;
+                        case "L":
+                            return window.SVGPathSeg.PATHSEG_LINETO_ABS;
+                        case "l":
+                            return window.SVGPathSeg.PATHSEG_LINETO_REL;
+                        case "C":
+                            return window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS;
+                        case "c":
+                            return window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL;
+                        case "Q":
+                            return window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS;
+                        case "q":
+                            return window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL;
+                        case "A":
+                            return window.SVGPathSeg.PATHSEG_ARC_ABS;
+                        case "a":
+                            return window.SVGPathSeg.PATHSEG_ARC_REL;
+                        case "H":
+                            return window.SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS;
+                        case "h":
+                            return window.SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL;
+                        case "V":
+                            return window.SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS;
+                        case "v":
+                            return window.SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL;
+                        case "S":
+                            return window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS;
+                        case "s":
+                            return window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL;
+                        case "T":
+                            return window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS;
+                        case "t":
+                            return window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL;
+                        default:
+                            return window.SVGPathSeg.PATHSEG_UNKNOWN;
+                    }
+                };
+
+                Source.prototype._nextCommandHelper = function (lookahead, previousCommand) {
+                    // Check for remaining coordinates in the current command.
+                    if ((lookahead == "+" || lookahead == "-" || lookahead == "." || lookahead >= "0" && lookahead <= "9") && previousCommand != window.SVGPathSeg.PATHSEG_CLOSEPATH) {
+                        if (previousCommand == window.SVGPathSeg.PATHSEG_MOVETO_ABS) return window.SVGPathSeg.PATHSEG_LINETO_ABS;
+                        if (previousCommand == window.SVGPathSeg.PATHSEG_MOVETO_REL) return window.SVGPathSeg.PATHSEG_LINETO_REL;
+                        return previousCommand;
+                    }
+                    return window.SVGPathSeg.PATHSEG_UNKNOWN;
+                };
+
+                Source.prototype.initialCommandIsMoveTo = function () {
+                    // If the path is empty it is still valid, so return true.
+                    if (!this.hasMoreData()) return true;
+                    var command = this.peekSegmentType();
+                    // Path must start with moveTo.
+                    return command == window.SVGPathSeg.PATHSEG_MOVETO_ABS || command == window.SVGPathSeg.PATHSEG_MOVETO_REL;
+                };
+
+                // Parse a number from an SVG path. This very closely follows genericParseNumber(...) from Source/core/svg/SVGParserUtilities.cpp.
+                // Spec: http://www.w3.org/TR/SVG11/single-page.html#paths-PathDataBNF
+                Source.prototype._parseNumber = function () {
+                    var exponent = 0;
+                    var integer = 0;
+                    var frac = 1;
+                    var decimal = 0;
+                    var sign = 1;
+                    var expsign = 1;
+
+                    var startIndex = this._currentIndex;
+
+                    this._skipOptionalSpaces();
+
+                    // Read the sign.
+                    if (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) == "+") this._currentIndex++;else if (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) == "-") {
+                        this._currentIndex++;
+                        sign = -1;
+                    }
+
+                    if (this._currentIndex == this._endIndex || (this._string.charAt(this._currentIndex) < "0" || this._string.charAt(this._currentIndex) > "9") && this._string.charAt(this._currentIndex) != ".")
+                        // The first character of a number must be one of [0-9+-.].
+                        return undefined;
+
+                    // Read the integer part, build right-to-left.
+                    var startIntPartIndex = this._currentIndex;
+                    while (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) >= "0" && this._string.charAt(this._currentIndex) <= "9") {
+                        this._currentIndex++;
+                    } // Advance to first non-digit.
+
+                    if (this._currentIndex != startIntPartIndex) {
+                        var scanIntPartIndex = this._currentIndex - 1;
+                        var multiplier = 1;
+                        while (scanIntPartIndex >= startIntPartIndex) {
+                            integer += multiplier * (this._string.charAt(scanIntPartIndex--) - "0");
+                            multiplier *= 10;
+                        }
+                    }
+
+                    // Read the decimals.
+                    if (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) == ".") {
+                        this._currentIndex++;
+
+                        // There must be a least one digit following the .
+                        if (this._currentIndex >= this._endIndex || this._string.charAt(this._currentIndex) < "0" || this._string.charAt(this._currentIndex) > "9") return undefined;
+                        while (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) >= "0" && this._string.charAt(this._currentIndex) <= "9") {
+                            frac *= 10;
+                            decimal += (this._string.charAt(this._currentIndex) - "0") / frac;
+                            this._currentIndex += 1;
+                        }
+                    }
+
+                    // Read the exponent part.
+                    if (this._currentIndex != startIndex && this._currentIndex + 1 < this._endIndex && (this._string.charAt(this._currentIndex) == "e" || this._string.charAt(this._currentIndex) == "E") && this._string.charAt(this._currentIndex + 1) != "x" && this._string.charAt(this._currentIndex + 1) != "m") {
+                        this._currentIndex++;
+
+                        // Read the sign of the exponent.
+                        if (this._string.charAt(this._currentIndex) == "+") {
+                            this._currentIndex++;
+                        } else if (this._string.charAt(this._currentIndex) == "-") {
+                            this._currentIndex++;
+                            expsign = -1;
+                        }
+
+                        // There must be an exponent.
+                        if (this._currentIndex >= this._endIndex || this._string.charAt(this._currentIndex) < "0" || this._string.charAt(this._currentIndex) > "9") return undefined;
+
+                        while (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) >= "0" && this._string.charAt(this._currentIndex) <= "9") {
+                            exponent *= 10;
+                            exponent += this._string.charAt(this._currentIndex) - "0";
+                            this._currentIndex++;
+                        }
+                    }
+
+                    var number = integer + decimal;
+                    number *= sign;
+
+                    if (exponent) number *= Math.pow(10, expsign * exponent);
+
+                    if (startIndex == this._currentIndex) return undefined;
+
+                    this._skipOptionalSpacesOrDelimiter();
+
+                    return number;
+                };
+
+                Source.prototype._parseArcFlag = function () {
+                    if (this._currentIndex >= this._endIndex) return undefined;
+                    var flag = false;
+                    var flagChar = this._string.charAt(this._currentIndex++);
+                    if (flagChar == "0") flag = false;else if (flagChar == "1") flag = true;else return undefined;
+
+                    this._skipOptionalSpacesOrDelimiter();
+                    return flag;
+                };
+
+                Source.prototype.parseSegment = function () {
+                    var lookahead = this._string[this._currentIndex];
+                    var command = this._pathSegTypeFromChar(lookahead);
+                    if (command == window.SVGPathSeg.PATHSEG_UNKNOWN) {
+                        // Possibly an implicit command. Not allowed if this is the first command.
+                        if (this._previousCommand == window.SVGPathSeg.PATHSEG_UNKNOWN) return null;
+                        command = this._nextCommandHelper(lookahead, this._previousCommand);
+                        if (command == window.SVGPathSeg.PATHSEG_UNKNOWN) return null;
+                    } else {
+                        this._currentIndex++;
+                    }
+
+                    this._previousCommand = command;
+
+                    switch (command) {
+                        case window.SVGPathSeg.PATHSEG_MOVETO_REL:
+                            return new window.SVGPathSegMovetoRel(owningPathSegList, this._parseNumber(), this._parseNumber());
+                        case window.SVGPathSeg.PATHSEG_MOVETO_ABS:
+                            return new window.SVGPathSegMovetoAbs(owningPathSegList, this._parseNumber(), this._parseNumber());
+                        case window.SVGPathSeg.PATHSEG_LINETO_REL:
+                            return new window.SVGPathSegLinetoRel(owningPathSegList, this._parseNumber(), this._parseNumber());
+                        case window.SVGPathSeg.PATHSEG_LINETO_ABS:
+                            return new window.SVGPathSegLinetoAbs(owningPathSegList, this._parseNumber(), this._parseNumber());
+                        case window.SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL:
+                            return new window.SVGPathSegLinetoHorizontalRel(owningPathSegList, this._parseNumber());
+                        case window.SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS:
+                            return new window.SVGPathSegLinetoHorizontalAbs(owningPathSegList, this._parseNumber());
+                        case window.SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL:
+                            return new window.SVGPathSegLinetoVerticalRel(owningPathSegList, this._parseNumber());
+                        case window.SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS:
+                            return new window.SVGPathSegLinetoVerticalAbs(owningPathSegList, this._parseNumber());
+                        case window.SVGPathSeg.PATHSEG_CLOSEPATH:
+                            this._skipOptionalSpaces();
+                            return new window.SVGPathSegClosePath(owningPathSegList);
+                        case window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL:
+                            var points = { x1: this._parseNumber(), y1: this._parseNumber(), x2: this._parseNumber(), y2: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber() };
+                            return new window.SVGPathSegCurvetoCubicRel(owningPathSegList, points.x, points.y, points.x1, points.y1, points.x2, points.y2);
+                        case window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS:
+                            var points = { x1: this._parseNumber(), y1: this._parseNumber(), x2: this._parseNumber(), y2: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber() };
+                            return new window.SVGPathSegCurvetoCubicAbs(owningPathSegList, points.x, points.y, points.x1, points.y1, points.x2, points.y2);
+                        case window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL:
+                            var points = { x2: this._parseNumber(), y2: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber() };
+                            return new window.SVGPathSegCurvetoCubicSmoothRel(owningPathSegList, points.x, points.y, points.x2, points.y2);
+                        case window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS:
+                            var points = { x2: this._parseNumber(), y2: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber() };
+                            return new window.SVGPathSegCurvetoCubicSmoothAbs(owningPathSegList, points.x, points.y, points.x2, points.y2);
+                        case window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL:
+                            var points = { x1: this._parseNumber(), y1: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber() };
+                            return new window.SVGPathSegCurvetoQuadraticRel(owningPathSegList, points.x, points.y, points.x1, points.y1);
+                        case window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS:
+                            var points = { x1: this._parseNumber(), y1: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber() };
+                            return new window.SVGPathSegCurvetoQuadraticAbs(owningPathSegList, points.x, points.y, points.x1, points.y1);
+                        case window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL:
+                            return new window.SVGPathSegCurvetoQuadraticSmoothRel(owningPathSegList, this._parseNumber(), this._parseNumber());
+                        case window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS:
+                            return new window.SVGPathSegCurvetoQuadraticSmoothAbs(owningPathSegList, this._parseNumber(), this._parseNumber());
+                        case window.SVGPathSeg.PATHSEG_ARC_REL:
+                            var points = { x1: this._parseNumber(), y1: this._parseNumber(), arcAngle: this._parseNumber(), arcLarge: this._parseArcFlag(), arcSweep: this._parseArcFlag(), x: this._parseNumber(), y: this._parseNumber() };
+                            return new window.SVGPathSegArcRel(owningPathSegList, points.x, points.y, points.x1, points.y1, points.arcAngle, points.arcLarge, points.arcSweep);
+                        case window.SVGPathSeg.PATHSEG_ARC_ABS:
+                            var points = { x1: this._parseNumber(), y1: this._parseNumber(), arcAngle: this._parseNumber(), arcLarge: this._parseArcFlag(), arcSweep: this._parseArcFlag(), x: this._parseNumber(), y: this._parseNumber() };
+                            return new window.SVGPathSegArcAbs(owningPathSegList, points.x, points.y, points.x1, points.y1, points.arcAngle, points.arcLarge, points.arcSweep);
+                        default:
+                            throw "Unknown path seg type.";
+                    }
+                };
+
+                var builder = new Builder();
+                var source = new Source(string);
+
+                if (!source.initialCommandIsMoveTo()) return [];
+                while (source.hasMoreData()) {
+                    var pathSeg = source.parseSegment();
+                    if (!pathSeg) return [];
+                    builder.appendSegment(pathSeg);
+                }
+
+                return builder.pathSegList;
+            };
+        }
+    })();
+
+    // String.padEnd polyfill for IE11
+    //
+    // https://github.com/uxitten/polyfill/blob/master/string.polyfill.js
+    // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/padEnd
+    if (!String.prototype.padEnd) {
+        String.prototype.padEnd = function padEnd(targetLength, padString) {
+            targetLength = targetLength >> 0; //floor if number or convert non-number to 0;
+            padString = String(typeof padString !== 'undefined' ? padString : ' ');
+            if (this.length > targetLength) {
+                return String(this);
+            } else {
+                targetLength = targetLength - this.length;
+                if (targetLength > padString.length) {
+                    padString += padString.repeat(targetLength / padString.length); //append to original to ensure we are longer than needed
+                }
+                return String(this) + padString.slice(0, targetLength);
+            }
+        };
+    }
+
+    /* jshint ignore:end */
+
+    c3_chart_fn.axis = function () {};
+    c3_chart_fn.axis.labels = function (labels) {
+        var $$ = this.internal;
+        if (arguments.length) {
+            Object.keys(labels).forEach(function (axisId) {
+                $$.axis.setLabelText(axisId, labels[axisId]);
+            });
+            $$.axis.updateLabels();
+        }
+        // TODO: return some values?
+    };
+    c3_chart_fn.axis.max = function (max) {
+        var $$ = this.internal,
+            config = $$.config;
+        if (arguments.length) {
+            if ((typeof max === 'undefined' ? 'undefined' : _typeof(max)) === 'object') {
+                if (isValue(max.x)) {
+                    config.axis_x_max = max.x;
+                }
+                if (isValue(max.y)) {
+                    config.axis_y_max = max.y;
+                }
+                if (isValue(max.y2)) {
+                    config.axis_y2_max = max.y2;
+                }
+            } else {
+                config.axis_y_max = config.axis_y2_max = max;
+            }
+            $$.redraw({ withUpdateOrgXDomain: true, withUpdateXDomain: true });
+        } else {
+            return {
+                x: config.axis_x_max,
+                y: config.axis_y_max,
+                y2: config.axis_y2_max
+            };
+        }
+    };
+    c3_chart_fn.axis.min = function (min) {
+        var $$ = this.internal,
+            config = $$.config;
+        if (arguments.length) {
+            if ((typeof min === 'undefined' ? 'undefined' : _typeof(min)) === 'object') {
+                if (isValue(min.x)) {
+                    config.axis_x_min = min.x;
+                }
+                if (isValue(min.y)) {
+                    config.axis_y_min = min.y;
+                }
+                if (isValue(min.y2)) {
+                    config.axis_y2_min = min.y2;
+                }
+            } else {
+                config.axis_y_min = config.axis_y2_min = min;
+            }
+            $$.redraw({ withUpdateOrgXDomain: true, withUpdateXDomain: true });
+        } else {
+            return {
+                x: config.axis_x_min,
+                y: config.axis_y_min,
+                y2: config.axis_y2_min
+            };
+        }
+    };
+    c3_chart_fn.axis.range = function (range) {
+        if (arguments.length) {
+            if (isDefined(range.max)) {
+                this.axis.max(range.max);
+            }
+            if (isDefined(range.min)) {
+                this.axis.min(range.min);
+            }
+        } else {
+            return {
+                max: this.axis.max(),
+                min: this.axis.min()
+            };
+        }
+    };
+
+    c3_chart_fn.category = function (i, category) {
+        var $$ = this.internal,
+            config = $$.config;
+        if (arguments.length > 1) {
+            config.axis_x_categories[i] = category;
+            $$.redraw();
+        }
+        return config.axis_x_categories[i];
+    };
+    c3_chart_fn.categories = function (categories) {
+        var $$ = this.internal,
+            config = $$.config;
+        if (!arguments.length) {
+            return config.axis_x_categories;
+        }
+        config.axis_x_categories = categories;
+        $$.redraw();
+        return config.axis_x_categories;
+    };
+
+    c3_chart_fn.resize = function (size) {
+        var $$ = this.internal,
+            config = $$.config;
+        config.size_width = size ? size.width : null;
+        config.size_height = size ? size.height : null;
+        this.flush();
+    };
+
+    c3_chart_fn.flush = function () {
+        var $$ = this.internal;
+        $$.updateAndRedraw({ withLegend: true, withTransition: false, withTransitionForTransform: false });
+    };
+
+    c3_chart_fn.destroy = function () {
+        var $$ = this.internal;
+
+        window.clearInterval($$.intervalForObserveInserted);
+
+        if ($$.resizeTimeout !== undefined) {
+            window.clearTimeout($$.resizeTimeout);
+        }
+
+        if (window.detachEvent) {
+            window.detachEvent('onresize', $$.resizeIfElementDisplayed);
+        } else if (window.removeEventListener) {
+            window.removeEventListener('resize', $$.resizeIfElementDisplayed);
+        } else {
+            var wrapper = window.onresize;
+            // check if no one else removed our wrapper and remove our resizeFunction from it
+            if (wrapper && wrapper.add && wrapper.remove) {
+                wrapper.remove($$.resizeFunction);
+            }
+        }
+
+        // remove the inner resize functions
+        $$.resizeFunction.remove();
+
+        $$.selectChart.classed('c3', false).html("");
+
+        // MEMO: this is needed because the reference of some elements will not be released, then memory leak will happen.
+        Object.keys($$).forEach(function (key) {
+            $$[key] = null;
+        });
+
+        return null;
+    };
+
+    // TODO: fix
+    c3_chart_fn.color = function (id) {
+        var $$ = this.internal;
+        return $$.color(id); // more patterns
+    };
+
+    c3_chart_fn.data = function (targetIds) {
+        var targets = this.internal.data.targets;
+        return typeof targetIds === 'undefined' ? targets : targets.filter(function (t) {
+            return [].concat(targetIds).indexOf(t.id) >= 0;
+        });
+    };
+    c3_chart_fn.data.shown = function (targetIds) {
+        return this.internal.filterTargetsToShow(this.data(targetIds));
+    };
+    c3_chart_fn.data.values = function (targetId) {
+        var targets,
+            values = null;
+        if (targetId) {
+            targets = this.data(targetId);
+            values = targets[0] ? targets[0].values.map(function (d) {
+                return d.value;
+            }) : null;
+        }
+        return values;
+    };
+    c3_chart_fn.data.names = function (names) {
+        this.internal.clearLegendItemTextBoxCache();
+        return this.internal.updateDataAttributes('names', names);
+    };
+    c3_chart_fn.data.colors = function (colors) {
+        return this.internal.updateDataAttributes('colors', colors);
+    };
+    c3_chart_fn.data.axes = function (axes) {
+        return this.internal.updateDataAttributes('axes', axes);
+    };
+
+    c3_chart_fn.flow = function (args) {
+        var $$ = this.internal,
+            targets,
+            data,
+            notfoundIds = [],
+            orgDataCount = $$.getMaxDataCount(),
+            dataCount,
+            domain,
+            baseTarget,
+            baseValue,
+            length = 0,
+            tail = 0,
+            diff,
+            to;
+
+        if (args.json) {
+            data = $$.convertJsonToData(args.json, args.keys);
+        } else if (args.rows) {
+            data = $$.convertRowsToData(args.rows);
+        } else if (args.columns) {
+            data = $$.convertColumnsToData(args.columns);
+        } else {
+            return;
+        }
+        targets = $$.convertDataToTargets(data, true);
+
+        // Update/Add data
+        $$.data.targets.forEach(function (t) {
+            var found = false,
+                i,
+                j;
+            for (i = 0; i < targets.length; i++) {
+                if (t.id === targets[i].id) {
+                    found = true;
+
+                    if (t.values[t.values.length - 1]) {
+                        tail = t.values[t.values.length - 1].index + 1;
+                    }
+                    length = targets[i].values.length;
+
+                    for (j = 0; j < length; j++) {
+                        targets[i].values[j].index = tail + j;
+                        if (!$$.isTimeSeries()) {
+                            targets[i].values[j].x = tail + j;
+                        }
+                    }
+                    t.values = t.values.concat(targets[i].values);
+
+                    targets.splice(i, 1);
+                    break;
+                }
+            }
+            if (!found) {
+                notfoundIds.push(t.id);
+            }
+        });
+
+        // Append null for not found targets
+        $$.data.targets.forEach(function (t) {
+            var i, j;
+            for (i = 0; i < notfoundIds.length; i++) {
+                if (t.id === notfoundIds[i]) {
+                    tail = t.values[t.values.length - 1].index + 1;
+                    for (j = 0; j < length; j++) {
+                        t.values.push({
+                            id: t.id,
+                            index: tail + j,
+                            x: $$.isTimeSeries() ? $$.getOtherTargetX(tail + j) : tail + j,
+                            value: null
+                        });
+                    }
+                }
+            }
+        });
+
+        // Generate null values for new target
+        if ($$.data.targets.length) {
+            targets.forEach(function (t) {
+                var i,
+                    missing = [];
+                for (i = $$.data.targets[0].values[0].index; i < tail; i++) {
+                    missing.push({
+                        id: t.id,
+                        index: i,
+                        x: $$.isTimeSeries() ? $$.getOtherTargetX(i) : i,
+                        value: null
+                    });
+                }
+                t.values.forEach(function (v) {
+                    v.index += tail;
+                    if (!$$.isTimeSeries()) {
+                        v.x += tail;
+                    }
+                });
+                t.values = missing.concat(t.values);
+            });
+        }
+        $$.data.targets = $$.data.targets.concat(targets); // add remained
+
+        // check data count because behavior needs to change when it's only one
+        dataCount = $$.getMaxDataCount();
+        baseTarget = $$.data.targets[0];
+        baseValue = baseTarget.values[0];
+
+        // Update length to flow if needed
+        if (isDefined(args.to)) {
+            length = 0;
+            to = $$.isTimeSeries() ? $$.parseDate(args.to) : args.to;
+            baseTarget.values.forEach(function (v) {
+                if (v.x < to) {
+                    length++;
+                }
+            });
+        } else if (isDefined(args.length)) {
+            length = args.length;
+        }
+
+        // If only one data, update the domain to flow from left edge of the chart
+        if (!orgDataCount) {
+            if ($$.isTimeSeries()) {
+                if (baseTarget.values.length > 1) {
+                    diff = baseTarget.values[baseTarget.values.length - 1].x - baseValue.x;
+                } else {
+                    diff = baseValue.x - $$.getXDomain($$.data.targets)[0];
+                }
+            } else {
+                diff = 1;
+            }
+            domain = [baseValue.x - diff, baseValue.x];
+            $$.updateXDomain(null, true, true, false, domain);
+        } else if (orgDataCount === 1) {
+            if ($$.isTimeSeries()) {
+                diff = (baseTarget.values[baseTarget.values.length - 1].x - baseValue.x) / 2;
+                domain = [new Date(+baseValue.x - diff), new Date(+baseValue.x + diff)];
+                $$.updateXDomain(null, true, true, false, domain);
+            }
+        }
+
+        // Set targets
+        $$.updateTargets($$.data.targets);
+
+        // Redraw with new targets
+        $$.redraw({
+            flow: {
+                index: baseValue.index,
+                length: length,
+                duration: isValue(args.duration) ? args.duration : $$.config.transition_duration,
+                done: args.done,
+                orgDataCount: orgDataCount
+            },
+            withLegend: true,
+            withTransition: orgDataCount > 1,
+            withTrimXDomain: false,
+            withUpdateXAxis: true
+        });
+    };
+
+    c3_chart_internal_fn.generateFlow = function (args) {
+        var $$ = this,
+            config = $$.config,
+            d3 = $$.d3;
+
+        return function () {
+            var targets = args.targets,
+                flow = args.flow,
+                drawBar = args.drawBar,
+                drawLine = args.drawLine,
+                drawArea = args.drawArea,
+                cx = args.cx,
+                cy = args.cy,
+                xv = args.xv,
+                xForText = args.xForText,
+                yForText = args.yForText,
+                duration = args.duration;
+
+            var translateX,
+                scaleX = 1,
+                transform,
+                flowIndex = flow.index,
+                flowLength = flow.length,
+                flowStart = $$.getValueOnIndex($$.data.targets[0].values, flowIndex),
+                flowEnd = $$.getValueOnIndex($$.data.targets[0].values, flowIndex + flowLength),
+                orgDomain = $$.x.domain(),
+                domain,
+                durationForFlow = flow.duration || duration,
+                done = flow.done || function () {},
+                wait = $$.generateWait();
+
+            var xgrid, xgridLines, mainRegion, mainText, mainBar, mainLine, mainArea, mainCircle;
+
+            // set flag
+            $$.flowing = true;
+
+            // remove head data after rendered
+            $$.data.targets.forEach(function (d) {
+                d.values.splice(0, flowLength);
+            });
+
+            // update x domain to generate axis elements for flow
+            domain = $$.updateXDomain(targets, true, true);
+            // update elements related to x scale
+            if ($$.updateXGrid) {
+                $$.updateXGrid(true);
+            }
+
+            xgrid = $$.xgrid || d3.selectAll([]); // xgrid needs to be obtained after updateXGrid
+            xgridLines = $$.xgridLines || d3.selectAll([]);
+            mainRegion = $$.mainRegion || d3.selectAll([]);
+            mainText = $$.mainText || d3.selectAll([]);
+            mainBar = $$.mainBar || d3.selectAll([]);
+            mainLine = $$.mainLine || d3.selectAll([]);
+            mainArea = $$.mainArea || d3.selectAll([]);
+            mainCircle = $$.mainCircle || d3.selectAll([]);
+
+            // generate transform to flow
+            if (!flow.orgDataCount) {
+                // if empty
+                if ($$.data.targets[0].values.length !== 1) {
+                    translateX = $$.x(orgDomain[0]) - $$.x(domain[0]);
+                } else {
+                    if ($$.isTimeSeries()) {
+                        flowStart = $$.getValueOnIndex($$.data.targets[0].values, 0);
+                        flowEnd = $$.getValueOnIndex($$.data.targets[0].values, $$.data.targets[0].values.length - 1);
+                        translateX = $$.x(flowStart.x) - $$.x(flowEnd.x);
+                    } else {
+                        translateX = diffDomain(domain) / 2;
+                    }
+                }
+            } else if (flow.orgDataCount === 1 || (flowStart && flowStart.x) === (flowEnd && flowEnd.x)) {
+                translateX = $$.x(orgDomain[0]) - $$.x(domain[0]);
+            } else {
+                if ($$.isTimeSeries()) {
+                    translateX = $$.x(orgDomain[0]) - $$.x(domain[0]);
+                } else {
+                    translateX = $$.x(flowStart.x) - $$.x(flowEnd.x);
+                }
+            }
+            scaleX = diffDomain(orgDomain) / diffDomain(domain);
+            transform = 'translate(' + translateX + ',0) scale(' + scaleX + ',1)';
+
+            $$.hideXGridFocus();
+
+            var flowTransition = d3.transition().ease(d3.easeLinear).duration(durationForFlow);
+            wait.add($$.xAxis($$.axes.x, flowTransition));
+            wait.add(mainBar.transition(flowTransition).attr('transform', transform));
+            wait.add(mainLine.transition(flowTransition).attr('transform', transform));
+            wait.add(mainArea.transition(flowTransition).attr('transform', transform));
+            wait.add(mainCircle.transition(flowTransition).attr('transform', transform));
+            wait.add(mainText.transition(flowTransition).attr('transform', transform));
+            wait.add(mainRegion.filter($$.isRegionOnX).transition(flowTransition).attr('transform', transform));
+            wait.add(xgrid.transition(flowTransition).attr('transform', transform));
+            wait.add(xgridLines.transition(flowTransition).attr('transform', transform));
+            wait(function () {
+                var i,
+                    shapes = [],
+                    texts = [];
+
+                // remove flowed elements
+                if (flowLength) {
+                    for (i = 0; i < flowLength; i++) {
+                        shapes.push('.' + CLASS.shape + '-' + (flowIndex + i));
+                        texts.push('.' + CLASS.text + '-' + (flowIndex + i));
+                    }
+                    $$.svg.selectAll('.' + CLASS.shapes).selectAll(shapes).remove();
+                    $$.svg.selectAll('.' + CLASS.texts).selectAll(texts).remove();
+                    $$.svg.select('.' + CLASS.xgrid).remove();
+                }
+
+                // draw again for removing flowed elements and reverting attr
+                xgrid.attr('transform', null).attr('x1', $$.xgridAttr.x1).attr('x2', $$.xgridAttr.x2).attr('y1', $$.xgridAttr.y1).attr('y2', $$.xgridAttr.y2).style("opacity", $$.xgridAttr.opacity);
+                xgridLines.attr('transform', null);
+                xgridLines.select('line').attr("x1", config.axis_rotated ? 0 : xv).attr("x2", config.axis_rotated ? $$.width : xv);
+                xgridLines.select('text').attr("x", config.axis_rotated ? $$.width : 0).attr("y", xv);
+                mainBar.attr('transform', null).attr("d", drawBar);
+                mainLine.attr('transform', null).attr("d", drawLine);
+                mainArea.attr('transform', null).attr("d", drawArea);
+                mainCircle.attr('transform', null).attr("cx", cx).attr("cy", cy);
+                mainText.attr('transform', null).attr('x', xForText).attr('y', yForText).style('fill-opacity', $$.opacityForText.bind($$));
+                mainRegion.attr('transform', null);
+                mainRegion.filter($$.isRegionOnX).attr("x", $$.regionX.bind($$)).attr("width", $$.regionWidth.bind($$));
+
+                // callback for end of flow
+                done();
+
+                $$.flowing = false;
+            });
+        };
+    };
+
+    c3_chart_fn.focus = function (targetIds) {
+        var $$ = this.internal,
+            candidates;
+
+        targetIds = $$.mapToTargetIds(targetIds);
+        candidates = $$.svg.selectAll($$.selectorTargets(targetIds.filter($$.isTargetToShow, $$))), this.revert();
+        this.defocus();
+        candidates.classed(CLASS.focused, true).classed(CLASS.defocused, false);
+        if ($$.hasArcType()) {
+            $$.expandArc(targetIds);
+        }
+        $$.toggleFocusLegend(targetIds, true);
+
+        $$.focusedTargetIds = targetIds;
+        $$.defocusedTargetIds = $$.defocusedTargetIds.filter(function (id) {
+            return targetIds.indexOf(id) < 0;
+        });
+    };
+
+    c3_chart_fn.defocus = function (targetIds) {
+        var $$ = this.internal,
+            candidates;
+
+        targetIds = $$.mapToTargetIds(targetIds);
+        candidates = $$.svg.selectAll($$.selectorTargets(targetIds.filter($$.isTargetToShow, $$))), candidates.classed(CLASS.focused, false).classed(CLASS.defocused, true);
+        if ($$.hasArcType()) {
+            $$.unexpandArc(targetIds);
+        }
+        $$.toggleFocusLegend(targetIds, false);
+
+        $$.focusedTargetIds = $$.focusedTargetIds.filter(function (id) {
+            return targetIds.indexOf(id) < 0;
+        });
+        $$.defocusedTargetIds = targetIds;
+    };
+
+    c3_chart_fn.revert = function (targetIds) {
+        var $$ = this.internal,
+            candidates;
+
+        targetIds = $$.mapToTargetIds(targetIds);
+        candidates = $$.svg.selectAll($$.selectorTargets(targetIds)); // should be for all targets
+
+        candidates.classed(CLASS.focused, false).classed(CLASS.defocused, false);
+        if ($$.hasArcType()) {
+            $$.unexpandArc(targetIds);
+        }
+        if ($$.config.legend_show) {
+            $$.showLegend(targetIds.filter($$.isLegendToShow.bind($$)));
+            $$.legend.selectAll($$.selectorLegends(targetIds)).filter(function () {
+                return $$.d3.select(this).classed(CLASS.legendItemFocused);
+            }).classed(CLASS.legendItemFocused, false);
+        }
+
+        $$.focusedTargetIds = [];
+        $$.defocusedTargetIds = [];
+    };
+
+    c3_chart_fn.xgrids = function (grids) {
+        var $$ = this.internal,
+            config = $$.config;
+        if (!grids) {
+            return config.grid_x_lines;
+        }
+        config.grid_x_lines = grids;
+        $$.redrawWithoutRescale();
+        return config.grid_x_lines;
+    };
+    c3_chart_fn.xgrids.add = function (grids) {
+        var $$ = this.internal;
+        return this.xgrids($$.config.grid_x_lines.concat(grids ? grids : []));
+    };
+    c3_chart_fn.xgrids.remove = function (params) {
+        // TODO: multiple
+        var $$ = this.internal;
+        $$.removeGridLines(params, true);
+    };
+
+    c3_chart_fn.ygrids = function (grids) {
+        var $$ = this.internal,
+            config = $$.config;
+        if (!grids) {
+            return config.grid_y_lines;
+        }
+        config.grid_y_lines = grids;
+        $$.redrawWithoutRescale();
+        return config.grid_y_lines;
+    };
+    c3_chart_fn.ygrids.add = function (grids) {
+        var $$ = this.internal;
+        return this.ygrids($$.config.grid_y_lines.concat(grids ? grids : []));
+    };
+    c3_chart_fn.ygrids.remove = function (params) {
+        // TODO: multiple
+        var $$ = this.internal;
+        $$.removeGridLines(params, false);
+    };
+
+    c3_chart_fn.groups = function (groups) {
+        var $$ = this.internal,
+            config = $$.config;
+        if (isUndefined(groups)) {
+            return config.data_groups;
+        }
+        config.data_groups = groups;
+        $$.redraw();
+        return config.data_groups;
+    };
+
+    c3_chart_fn.legend = function () {};
+    c3_chart_fn.legend.show = function (targetIds) {
+        var $$ = this.internal;
+        $$.showLegend($$.mapToTargetIds(targetIds));
+        $$.updateAndRedraw({ withLegend: true });
+    };
+    c3_chart_fn.legend.hide = function (targetIds) {
+        var $$ = this.internal;
+        $$.hideLegend($$.mapToTargetIds(targetIds));
+        $$.updateAndRedraw({ withLegend: true });
+    };
+
+    c3_chart_fn.load = function (args) {
+        var $$ = this.internal,
+            config = $$.config;
+        // update xs if specified
+        if (args.xs) {
+            $$.addXs(args.xs);
+        }
+        // update names if exists
+        if ('names' in args) {
+            c3_chart_fn.data.names.bind(this)(args.names);
+        }
+        // update classes if exists
+        if ('classes' in args) {
+            Object.keys(args.classes).forEach(function (id) {
+                config.data_classes[id] = args.classes[id];
+            });
+        }
+        // update categories if exists
+        if ('categories' in args && $$.isCategorized()) {
+            config.axis_x_categories = args.categories;
+        }
+        // update axes if exists
+        if ('axes' in args) {
+            Object.keys(args.axes).forEach(function (id) {
+                config.data_axes[id] = args.axes[id];
+            });
+        }
+        // update colors if exists
+        if ('colors' in args) {
+            Object.keys(args.colors).forEach(function (id) {
+                config.data_colors[id] = args.colors[id];
+            });
+        }
+        // use cache if exists
+        if ('cacheIds' in args && $$.hasCaches(args.cacheIds)) {
+            $$.load($$.getCaches(args.cacheIds), args.done);
+            return;
+        }
+        // unload if needed
+        if ('unload' in args) {
+            // TODO: do not unload if target will load (included in url/rows/columns)
+            $$.unload($$.mapToTargetIds(typeof args.unload === 'boolean' && args.unload ? null : args.unload), function () {
+                $$.loadFromArgs(args);
+            });
+        } else {
+            $$.loadFromArgs(args);
+        }
+    };
+
+    c3_chart_fn.unload = function (args) {
+        var $$ = this.internal;
+        args = args || {};
+        if (args instanceof Array) {
+            args = { ids: args };
+        } else if (typeof args === 'string') {
+            args = { ids: [args] };
+        }
+        $$.unload($$.mapToTargetIds(args.ids), function () {
+            $$.redraw({ withUpdateOrgXDomain: true, withUpdateXDomain: true, withLegend: true });
+            if (args.done) {
+                args.done();
+            }
+        });
+    };
+
+    c3_chart_fn.regions = function (regions) {
+        var $$ = this.internal,
+            config = $$.config;
+        if (!regions) {
+            return config.regions;
+        }
+        config.regions = regions;
+        $$.redrawWithoutRescale();
+        return config.regions;
+    };
+    c3_chart_fn.regions.add = function (regions) {
+        var $$ = this.internal,
+            config = $$.config;
+        if (!regions) {
+            return config.regions;
+        }
+        config.regions = config.regions.concat(regions);
+        $$.redrawWithoutRescale();
+        return config.regions;
+    };
+    c3_chart_fn.regions.remove = function (options) {
+        var $$ = this.internal,
+            config = $$.config,
+            duration,
+            classes,
+            regions;
+
+        options = options || {};
+        duration = $$.getOption(options, "duration", config.transition_duration);
+        classes = $$.getOption(options, "classes", [CLASS.region]);
+
+        regions = $$.main.select('.' + CLASS.regions).selectAll(classes.map(function (c) {
+            return '.' + c;
+        }));
+        (duration ? regions.transition().duration(duration) : regions).style('opacity', 0).remove();
+
+        config.regions = config.regions.filter(function (region) {
+            var found = false;
+            if (!region['class']) {
+                return true;
+            }
+            region['class'].split(' ').forEach(function (c) {
+                if (classes.indexOf(c) >= 0) {
+                    found = true;
+                }
+            });
+            return !found;
+        });
+
+        return config.regions;
+    };
+
+    c3_chart_fn.selected = function (targetId) {
+        var $$ = this.internal,
+            d3 = $$.d3;
+        return d3.merge($$.main.selectAll('.' + CLASS.shapes + $$.getTargetSelectorSuffix(targetId)).selectAll('.' + CLASS.shape).filter(function () {
+            return d3.select(this).classed(CLASS.SELECTED);
+        }).map(function (d) {
+            return d.map(function (d) {
+                var data = d.__data__;return data.data ? data.data : data;
+            });
+        }));
+    };
+    c3_chart_fn.select = function (ids, indices, resetOther) {
+        var $$ = this.internal,
+            d3 = $$.d3,
+            config = $$.config;
+        if (!config.data_selection_enabled) {
+            return;
+        }
+        $$.main.selectAll('.' + CLASS.shapes).selectAll('.' + CLASS.shape).each(function (d, i) {
+            var shape = d3.select(this),
+                id = d.data ? d.data.id : d.id,
+                toggle = $$.getToggle(this, d).bind($$),
+                isTargetId = config.data_selection_grouped || !ids || ids.indexOf(id) >= 0,
+                isTargetIndex = !indices || indices.indexOf(i) >= 0,
+                isSelected = shape.classed(CLASS.SELECTED);
+            // line/area selection not supported yet
+            if (shape.classed(CLASS.line) || shape.classed(CLASS.area)) {
+                return;
+            }
+            if (isTargetId && isTargetIndex) {
+                if (config.data_selection_isselectable(d) && !isSelected) {
+                    toggle(true, shape.classed(CLASS.SELECTED, true), d, i);
+                }
+            } else if (isDefined(resetOther) && resetOther) {
+                if (isSelected) {
+                    toggle(false, shape.classed(CLASS.SELECTED, false), d, i);
+                }
+            }
+        });
+    };
+    c3_chart_fn.unselect = function (ids, indices) {
+        var $$ = this.internal,
+            d3 = $$.d3,
+            config = $$.config;
+        if (!config.data_selection_enabled) {
+            return;
+        }
+        $$.main.selectAll('.' + CLASS.shapes).selectAll('.' + CLASS.shape).each(function (d, i) {
+            var shape = d3.select(this),
+                id = d.data ? d.data.id : d.id,
+                toggle = $$.getToggle(this, d).bind($$),
+                isTargetId = config.data_selection_grouped || !ids || ids.indexOf(id) >= 0,
+                isTargetIndex = !indices || indices.indexOf(i) >= 0,
+                isSelected = shape.classed(CLASS.SELECTED);
+            // line/area selection not supported yet
+            if (shape.classed(CLASS.line) || shape.classed(CLASS.area)) {
+                return;
+            }
+            if (isTargetId && isTargetIndex) {
+                if (config.data_selection_isselectable(d)) {
+                    if (isSelected) {
+                        toggle(false, shape.classed(CLASS.SELECTED, false), d, i);
+                    }
+                }
+            }
+        });
+    };
+
+    c3_chart_fn.show = function (targetIds, options) {
+        var $$ = this.internal,
+            targets;
+
+        targetIds = $$.mapToTargetIds(targetIds);
+        options = options || {};
+
+        $$.removeHiddenTargetIds(targetIds);
+        targets = $$.svg.selectAll($$.selectorTargets(targetIds));
+
+        targets.transition().style('display', 'initial', 'important').style('opacity', 1, 'important').call($$.endall, function () {
+            targets.style('opacity', null).style('opacity', 1);
+        });
+
+        if (options.withLegend) {
+            $$.showLegend(targetIds);
+        }
+
+        $$.redraw({ withUpdateOrgXDomain: true, withUpdateXDomain: true, withLegend: true });
+    };
+
+    c3_chart_fn.hide = function (targetIds, options) {
+        var $$ = this.internal,
+            targets;
+
+        targetIds = $$.mapToTargetIds(targetIds);
+        options = options || {};
+
+        $$.addHiddenTargetIds(targetIds);
+        targets = $$.svg.selectAll($$.selectorTargets(targetIds));
+
+        targets.transition().style('opacity', 0, 'important').call($$.endall, function () {
+            targets.style('opacity', null).style('opacity', 0);
+            targets.style('display', 'none');
+        });
+
+        if (options.withLegend) {
+            $$.hideLegend(targetIds);
+        }
+
+        $$.redraw({ withUpdateOrgXDomain: true, withUpdateXDomain: true, withLegend: true });
+    };
+
+    c3_chart_fn.toggle = function (targetIds, options) {
+        var that = this,
+            $$ = this.internal;
+        $$.mapToTargetIds(targetIds).forEach(function (targetId) {
+            $$.isTargetToShow(targetId) ? that.hide(targetId, options) : that.show(targetId, options);
+        });
+    };
+
+    c3_chart_fn.tooltip = function () {};
+    c3_chart_fn.tooltip.show = function (args) {
+        var $$ = this.internal,
+            targets,
+            data,
+            mouse = {};
+
+        // determine mouse position on the chart
+        if (args.mouse) {
+            mouse = args.mouse;
+        } else {
+            // determine focus data
+            if (args.data) {
+                data = args.data;
+            } else if (typeof args.x !== 'undefined') {
+                if (args.id) {
+                    targets = $$.data.targets.filter(function (t) {
+                        return t.id === args.id;
+                    });
+                } else {
+                    targets = $$.data.targets;
+                }
+                data = $$.filterByX(targets, args.x).slice(0, 1)[0];
+            }
+            mouse = data ? $$.getMousePosition(data) : null;
+        }
+
+        // emulate mouse events to show
+        $$.dispatchEvent('mousemove', mouse);
+
+        $$.config.tooltip_onshow.call($$, data);
+    };
+    c3_chart_fn.tooltip.hide = function () {
+        // TODO: get target data by checking the state of focus
+        this.internal.dispatchEvent('mouseout', 0);
+
+        this.internal.config.tooltip_onhide.call(this);
+    };
+
+    c3_chart_fn.transform = function (type, targetIds) {
+        var $$ = this.internal,
+            options = ['pie', 'donut'].indexOf(type) >= 0 ? { withTransform: true } : null;
+        $$.transformTo(targetIds, type, options);
+    };
+
+    c3_chart_internal_fn.transformTo = function (targetIds, type, optionsForRedraw) {
+        var $$ = this,
+            withTransitionForAxis = !$$.hasArcType(),
+            options = optionsForRedraw || { withTransitionForAxis: withTransitionForAxis };
+        options.withTransitionForTransform = false;
+        $$.transiting = false;
+        $$.setTargetType(targetIds, type);
+        $$.updateTargets($$.data.targets); // this is needed when transforming to arc
+        $$.updateAndRedraw(options);
+    };
+
+    c3_chart_fn.x = function (x) {
+        var $$ = this.internal;
+        if (arguments.length) {
+            $$.updateTargetX($$.data.targets, x);
+            $$.redraw({ withUpdateOrgXDomain: true, withUpdateXDomain: true });
+        }
+        return $$.data.xs;
+    };
+    c3_chart_fn.xs = function (xs) {
+        var $$ = this.internal;
+        if (arguments.length) {
+            $$.updateTargetXs($$.data.targets, xs);
+            $$.redraw({ withUpdateOrgXDomain: true, withUpdateXDomain: true });
+        }
+        return $$.data.xs;
+    };
+
+    c3_chart_fn.zoom = function (domain) {
+        var $$ = this.internal;
+        if (domain) {
+            if ($$.isTimeSeries()) {
+                domain = domain.map(function (x) {
+                    return $$.parseDate(x);
+                });
+            }
+            if ($$.config.subchart_show) {
+                $$.brush.selectionAsValue(domain, true);
+            } else {
+                $$.updateXDomain(null, true, false, false, domain);
+                $$.redraw({ withY: $$.config.zoom_rescale, withSubchart: false });
+            }
+            $$.config.zoom_onzoom.call(this, $$.x.orgDomain());
+            return domain;
+        } else {
+            return $$.x.domain();
+        }
+    };
+    c3_chart_fn.zoom.enable = function (enabled) {
+        var $$ = this.internal;
+        $$.config.zoom_enabled = enabled;
+        $$.updateAndRedraw();
+    };
+    c3_chart_fn.unzoom = function () {
+        var $$ = this.internal;
+        if ($$.config.subchart_show) {
+            $$.brush.clear();
+        } else {
+            $$.updateXDomain(null, true, false, false, $$.subX.domain());
+            $$.redraw({ withY: $$.config.zoom_rescale, withSubchart: false });
+        }
+    };
+
+    c3_chart_fn.zoom.max = function (max) {
+        var $$ = this.internal,
+            config = $$.config,
+            d3 = $$.d3;
+        if (max === 0 || max) {
+            config.zoom_x_max = d3.max([$$.orgXDomain[1], max]);
+        } else {
+            return config.zoom_x_max;
+        }
+    };
+
+    c3_chart_fn.zoom.min = function (min) {
+        var $$ = this.internal,
+            config = $$.config,
+            d3 = $$.d3;
+        if (min === 0 || min) {
+            config.zoom_x_min = d3.min([$$.orgXDomain[0], min]);
+        } else {
+            return config.zoom_x_min;
+        }
+    };
+
+    c3_chart_fn.zoom.range = function (range) {
+        if (arguments.length) {
+            if (isDefined(range.max)) {
+                this.domain.max(range.max);
+            }
+            if (isDefined(range.min)) {
+                this.domain.min(range.min);
+            }
+        } else {
+            return {
+                max: this.domain.max(),
+                min: this.domain.min()
+            };
+        }
+    };
+
+    c3_chart_internal_fn.initPie = function () {
+        var $$ = this,
+            d3 = $$.d3;
+        $$.pie = d3.pie().value(function (d) {
+            return d.values.reduce(function (a, b) {
+                return a + b.value;
+            }, 0);
+        });
+
+        var orderFct = $$.getOrderFunction();
+
+        // we need to reverse the returned order if asc or desc to have the slice in expected order.
+        if (orderFct && ($$.isOrderAsc() || $$.isOrderDesc())) {
+            var defaultSort = orderFct;
+            orderFct = function orderFct(t1, t2) {
+                return defaultSort(t1, t2) * -1;
+            };
+        }
+
+        $$.pie.sort(orderFct || null);
+    };
+
+    c3_chart_internal_fn.updateRadius = function () {
+        var $$ = this,
+            config = $$.config,
+            w = config.gauge_width || config.donut_width,
+            gaugeArcWidth = $$.filterTargetsToShow($$.data.targets).length * $$.config.gauge_arcs_minWidth;
+        $$.radiusExpanded = Math.min($$.arcWidth, $$.arcHeight) / 2 * ($$.hasType('gauge') ? 0.85 : 1);
+        $$.radius = $$.radiusExpanded * 0.95;
+        $$.innerRadiusRatio = w ? ($$.radius - w) / $$.radius : 0.6;
+        $$.innerRadius = $$.hasType('donut') || $$.hasType('gauge') ? $$.radius * $$.innerRadiusRatio : 0;
+        $$.gaugeArcWidth = w ? w : gaugeArcWidth <= $$.radius - $$.innerRadius ? $$.radius - $$.innerRadius : gaugeArcWidth <= $$.radius ? gaugeArcWidth : $$.radius;
+    };
+
+    c3_chart_internal_fn.updateArc = function () {
+        var $$ = this;
+        $$.svgArc = $$.getSvgArc();
+        $$.svgArcExpanded = $$.getSvgArcExpanded();
+        $$.svgArcExpandedSub = $$.getSvgArcExpanded(0.98);
+    };
+
+    c3_chart_internal_fn.updateAngle = function (d) {
+        var $$ = this,
+            config = $$.config,
+            found = false,
+            index = 0,
+            gMin,
+            gMax,
+            gTic,
+            gValue;
+
+        if (!config) {
+            return null;
+        }
+
+        $$.pie($$.filterTargetsToShow($$.data.targets)).forEach(function (t) {
+            if (!found && t.data.id === d.data.id) {
+                found = true;
+                d = t;
+                d.index = index;
+            }
+            index++;
+        });
+        if (isNaN(d.startAngle)) {
+            d.startAngle = 0;
+        }
+        if (isNaN(d.endAngle)) {
+            d.endAngle = d.startAngle;
+        }
+        if ($$.isGaugeType(d.data)) {
+            gMin = config.gauge_min;
+            gMax = config.gauge_max;
+            gTic = Math.PI * (config.gauge_fullCircle ? 2 : 1) / (gMax - gMin);
+            gValue = d.value < gMin ? 0 : d.value < gMax ? d.value - gMin : gMax - gMin;
+            d.startAngle = config.gauge_startingAngle;
+            d.endAngle = d.startAngle + gTic * gValue;
+        }
+        return found ? d : null;
+    };
+
+    c3_chart_internal_fn.getSvgArc = function () {
+        var $$ = this,
+            hasGaugeType = $$.hasType('gauge'),
+            singleArcWidth = $$.gaugeArcWidth / $$.filterTargetsToShow($$.data.targets).length,
+            arc = $$.d3.arc().outerRadius(function (d) {
+            return hasGaugeType ? $$.radius - singleArcWidth * d.index : $$.radius;
+        }).innerRadius(function (d) {
+            return hasGaugeType ? $$.radius - singleArcWidth * (d.index + 1) : $$.innerRadius;
+        }),
+            newArc = function newArc(d, withoutUpdate) {
+            var updated;
+            if (withoutUpdate) {
+                return arc(d);
+            } // for interpolate
+            updated = $$.updateAngle(d);
+            return updated ? arc(updated) : "M 0 0";
+        };
+        // TODO: extends all function
+        newArc.centroid = arc.centroid;
+        return newArc;
+    };
+
+    c3_chart_internal_fn.getSvgArcExpanded = function (rate) {
+        rate = rate || 1;
+        var $$ = this,
+            hasGaugeType = $$.hasType('gauge'),
+            singleArcWidth = $$.gaugeArcWidth / $$.filterTargetsToShow($$.data.targets).length,
+            expandWidth = Math.min($$.radiusExpanded * rate - $$.radius, singleArcWidth * 0.8 - (1 - rate) * 100),
+            arc = $$.d3.arc().outerRadius(function (d) {
+            return hasGaugeType ? $$.radius - singleArcWidth * d.index + expandWidth : $$.radiusExpanded * rate;
+        }).innerRadius(function (d) {
+            return hasGaugeType ? $$.radius - singleArcWidth * (d.index + 1) : $$.innerRadius;
+        });
+        return function (d) {
+            var updated = $$.updateAngle(d);
+            return updated ? arc(updated) : "M 0 0";
+        };
+    };
+
+    c3_chart_internal_fn.getArc = function (d, withoutUpdate, force) {
+        return force || this.isArcType(d.data) ? this.svgArc(d, withoutUpdate) : "M 0 0";
+    };
+
+    c3_chart_internal_fn.transformForArcLabel = function (d) {
+        var $$ = this,
+            config = $$.config,
+            updated = $$.updateAngle(d),
+            c,
+            x,
+            y,
+            h,
+            ratio,
+            translate = "",
+            hasGauge = $$.hasType('gauge');
+        if (updated && !hasGauge) {
+            c = this.svgArc.centroid(updated);
+            x = isNaN(c[0]) ? 0 : c[0];
+            y = isNaN(c[1]) ? 0 : c[1];
+            h = Math.sqrt(x * x + y * y);
+            if ($$.hasType('donut') && config.donut_label_ratio) {
+                ratio = isFunction(config.donut_label_ratio) ? config.donut_label_ratio(d, $$.radius, h) : config.donut_label_ratio;
+            } else if ($$.hasType('pie') && config.pie_label_ratio) {
+                ratio = isFunction(config.pie_label_ratio) ? config.pie_label_ratio(d, $$.radius, h) : config.pie_label_ratio;
+            } else {
+                ratio = $$.radius && h ? (36 / $$.radius > 0.375 ? 1.175 - 36 / $$.radius : 0.8) * $$.radius / h : 0;
+            }
+            translate = "translate(" + x * ratio + ',' + y * ratio + ")";
+        } else if (updated && hasGauge && $$.filterTargetsToShow($$.data.targets).length > 1) {
+            var y1 = Math.sin(updated.endAngle - Math.PI / 2);
+            x = Math.cos(updated.endAngle - Math.PI / 2) * ($$.radiusExpanded + 25);
+            y = y1 * ($$.radiusExpanded + 15 - Math.abs(y1 * 10)) + 3;
+            translate = "translate(" + x + ',' + y + ")";
+        }
+        return translate;
+    };
+
+    c3_chart_internal_fn.getArcRatio = function (d) {
+        var $$ = this,
+            config = $$.config,
+            whole = Math.PI * ($$.hasType('gauge') && !config.gauge_fullCircle ? 1 : 2);
+        return d ? (d.endAngle - d.startAngle) / whole : null;
+    };
+
+    c3_chart_internal_fn.convertToArcData = function (d) {
+        return this.addName({
+            id: d.data.id,
+            value: d.value,
+            ratio: this.getArcRatio(d),
+            index: d.index
+        });
+    };
+
+    c3_chart_internal_fn.textForArcLabel = function (d) {
+        var $$ = this,
+            updated,
+            value,
+            ratio,
+            id,
+            format;
+        if (!$$.shouldShowArcLabel()) {
+            return "";
+        }
+        updated = $$.updateAngle(d);
+        value = updated ? updated.value : null;
+        ratio = $$.getArcRatio(updated);
+        id = d.data.id;
+        if (!$$.hasType('gauge') && !$$.meetsArcLabelThreshold(ratio)) {
+            return "";
+        }
+        format = $$.getArcLabelFormat();
+        return format ? format(value, ratio, id) : $$.defaultArcValueFormat(value, ratio);
+    };
+
+    c3_chart_internal_fn.textForGaugeMinMax = function (value, isMax) {
+        var $$ = this,
+            format = $$.getGaugeLabelExtents();
+
+        return format ? format(value, isMax) : value;
+    };
+
+    c3_chart_internal_fn.expandArc = function (targetIds) {
+        var $$ = this,
+            interval;
+
+        // MEMO: avoid to cancel transition
+        if ($$.transiting) {
+            interval = window.setInterval(function () {
+                if (!$$.transiting) {
+                    window.clearInterval(interval);
+                    if ($$.legend.selectAll('.c3-legend-item-focused').size() > 0) {
+                        $$.expandArc(targetIds);
+                    }
+                }
+            }, 10);
+            return;
+        }
+
+        targetIds = $$.mapToTargetIds(targetIds);
+
+        $$.svg.selectAll($$.selectorTargets(targetIds, '.' + CLASS.chartArc)).each(function (d) {
+            if (!$$.shouldExpand(d.data.id)) {
+                return;
+            }
+            $$.d3.select(this).selectAll('path').transition().duration($$.expandDuration(d.data.id)).attr("d", $$.svgArcExpanded).transition().duration($$.expandDuration(d.data.id) * 2).attr("d", $$.svgArcExpandedSub).each(function (d) {
+                if ($$.isDonutType(d.data)) {
+                    // callback here
+                }
+            });
+        });
+    };
+
+    c3_chart_internal_fn.unexpandArc = function (targetIds) {
+        var $$ = this;
+
+        if ($$.transiting) {
+            return;
+        }
+
+        targetIds = $$.mapToTargetIds(targetIds);
+
+        $$.svg.selectAll($$.selectorTargets(targetIds, '.' + CLASS.chartArc)).selectAll('path').transition().duration(function (d) {
+            return $$.expandDuration(d.data.id);
+        }).attr("d", $$.svgArc);
+        $$.svg.selectAll('.' + CLASS.arc);
+    };
+
+    c3_chart_internal_fn.expandDuration = function (id) {
+        var $$ = this,
+            config = $$.config;
+
+        if ($$.isDonutType(id)) {
+            return config.donut_expand_duration;
+        } else if ($$.isGaugeType(id)) {
+            return config.gauge_expand_duration;
+        } else if ($$.isPieType(id)) {
+            return config.pie_expand_duration;
+        } else {
+            return 50;
+        }
+    };
+
+    c3_chart_internal_fn.shouldExpand = function (id) {
+        var $$ = this,
+            config = $$.config;
+        return $$.isDonutType(id) && config.donut_expand || $$.isGaugeType(id) && config.gauge_expand || $$.isPieType(id) && config.pie_expand;
+    };
+
+    c3_chart_internal_fn.shouldShowArcLabel = function () {
+        var $$ = this,
+            config = $$.config,
+            shouldShow = true;
+        if ($$.hasType('donut')) {
+            shouldShow = config.donut_label_show;
+        } else if ($$.hasType('pie')) {
+            shouldShow = config.pie_label_show;
+        }
+        // when gauge, always true
+        return shouldShow;
+    };
+
+    c3_chart_internal_fn.meetsArcLabelThreshold = function (ratio) {
+        var $$ = this,
+            config = $$.config,
+            threshold = $$.hasType('donut') ? config.donut_label_threshold : config.pie_label_threshold;
+        return ratio >= threshold;
+    };
+
+    c3_chart_internal_fn.getArcLabelFormat = function () {
+        var $$ = this,
+            config = $$.config,
+            format = config.pie_label_format;
+        if ($$.hasType('gauge')) {
+            format = config.gauge_label_format;
+        } else if ($$.hasType('donut')) {
+            format = config.donut_label_format;
+        }
+        return format;
+    };
+
+    c3_chart_internal_fn.getGaugeLabelExtents = function () {
+        var $$ = this,
+            config = $$.config;
+        return config.gauge_label_extents;
+    };
+
+    c3_chart_internal_fn.getArcTitle = function () {
+        var $$ = this;
+        return $$.hasType('donut') ? $$.config.donut_title : "";
+    };
+
+    c3_chart_internal_fn.updateTargetsForArc = function (targets) {
+        var $$ = this,
+            main = $$.main,
+            mainPies,
+            mainPieEnter,
+            classChartArc = $$.classChartArc.bind($$),
+            classArcs = $$.classArcs.bind($$),
+            classFocus = $$.classFocus.bind($$);
+        mainPies = main.select('.' + CLASS.chartArcs).selectAll('.' + CLASS.chartArc).data($$.pie(targets)).attr("class", function (d) {
+            return classChartArc(d) + classFocus(d.data);
+        });
+        mainPieEnter = mainPies.enter().append("g").attr("class", classChartArc);
+        mainPieEnter.append('g').attr('class', classArcs);
+        mainPieEnter.append("text").attr("dy", $$.hasType('gauge') ? "-.1em" : ".35em").style("opacity", 0).style("text-anchor", "middle").style("pointer-events", "none");
+        // MEMO: can not keep same color..., but not bad to update color in redraw
+        //mainPieUpdate.exit().remove();
+    };
+
+    c3_chart_internal_fn.initArc = function () {
+        var $$ = this;
+        $$.arcs = $$.main.select('.' + CLASS.chart).append("g").attr("class", CLASS.chartArcs).attr("transform", $$.getTranslate('arc'));
+        $$.arcs.append('text').attr('class', CLASS.chartArcsTitle).style("text-anchor", "middle").text($$.getArcTitle());
+    };
+
+    c3_chart_internal_fn.redrawArc = function (duration, durationForExit, withTransform) {
+        var $$ = this,
+            d3 = $$.d3,
+            config = $$.config,
+            main = $$.main,
+            arcs,
+            mainArc,
+            backgroundArc,
+            arcLabelLines,
+            mainArcLabelLine,
+            hasGaugeType = $$.hasType('gauge');
+        arcs = main.selectAll('.' + CLASS.arcs).selectAll('.' + CLASS.arc).data($$.arcData.bind($$));
+        mainArc = arcs.enter().append('path').attr("class", $$.classArc.bind($$)).style("fill", function (d) {
+            return $$.color(d.data);
+        }).style("cursor", function (d) {
+            return config.interaction_enabled && config.data_selection_isselectable(d) ? "pointer" : null;
+        }).each(function (d) {
+            if ($$.isGaugeType(d.data)) {
+                d.startAngle = d.endAngle = config.gauge_startingAngle;
+            }
+            this._current = d;
+        }).merge(arcs);
+        if (hasGaugeType) {
+            arcLabelLines = main.selectAll('.' + CLASS.arcs).selectAll('.' + CLASS.arcLabelLine).data($$.arcData.bind($$));
+            mainArcLabelLine = arcLabelLines.enter().append('rect').attr("class", function (d) {
+                return CLASS.arcLabelLine + ' ' + CLASS.target + ' ' + CLASS.target + '-' + d.data.id;
+            }).merge(arcLabelLines);
+
+            if ($$.filterTargetsToShow($$.data.targets).length === 1) {
+                mainArcLabelLine.style("display", "none");
+            } else {
+                mainArcLabelLine.style("fill", function (d) {
+                    return config.color_pattern.length > 0 ? $$.levelColor(d.data.values[0].value) : $$.color(d.data);
+                }).style("display", config.gauge_labelLine_show ? "" : "none").each(function (d) {
+                    var lineLength = 0,
+                        lineThickness = 2,
+                        x = 0,
+                        y = 0,
+                        transform = "";
+                    if ($$.hiddenTargetIds.indexOf(d.data.id) < 0) {
+                        var updated = $$.updateAngle(d),
+                            innerLineLength = $$.gaugeArcWidth / $$.filterTargetsToShow($$.data.targets).length * (updated.index + 1),
+                            lineAngle = updated.endAngle - Math.PI / 2,
+                            arcInnerRadius = $$.radius - innerLineLength,
+                            linePositioningAngle = lineAngle - (arcInnerRadius === 0 ? 0 : 1 / arcInnerRadius);
+                        lineLength = $$.radiusExpanded - $$.radius + innerLineLength;
+                        x = Math.cos(linePositioningAngle) * arcInnerRadius;
+                        y = Math.sin(linePositioningAngle) * arcInnerRadius;
+                        transform = "rotate(" + lineAngle * 180 / Math.PI + ", " + x + ", " + y + ")";
+                    }
+                    d3.select(this).attr('x', x).attr('y', y).attr('width', lineLength).attr('height', lineThickness).attr('transform', transform).style("stroke-dasharray", "0, " + (lineLength + lineThickness) + ", 0");
+                });
+            }
+        }
+        mainArc.attr("transform", function (d) {
+            return !$$.isGaugeType(d.data) && withTransform ? "scale(0)" : "";
+        }).on('mouseover', config.interaction_enabled ? function (d) {
+            var updated, arcData;
+            if ($$.transiting) {
+                // skip while transiting
+                return;
+            }
+            updated = $$.updateAngle(d);
+            if (updated) {
+                arcData = $$.convertToArcData(updated);
+                // transitions
+                $$.expandArc(updated.data.id);
+                $$.api.focus(updated.data.id);
+                $$.toggleFocusLegend(updated.data.id, true);
+                $$.config.data_onmouseover(arcData, this);
+            }
+        } : null).on('mousemove', config.interaction_enabled ? function (d) {
+            var updated = $$.updateAngle(d),
+                arcData,
+                selectedData;
+            if (updated) {
+                arcData = $$.convertToArcData(updated), selectedData = [arcData];
+                $$.showTooltip(selectedData, this);
+            }
+        } : null).on('mouseout', config.interaction_enabled ? function (d) {
+            var updated, arcData;
+            if ($$.transiting) {
+                // skip while transiting
+                return;
+            }
+            updated = $$.updateAngle(d);
+            if (updated) {
+                arcData = $$.convertToArcData(updated);
+                // transitions
+                $$.unexpandArc(updated.data.id);
+                $$.api.revert();
+                $$.revertLegend();
+                $$.hideTooltip();
+                $$.config.data_onmouseout(arcData, this);
+            }
+        } : null).on('click', config.interaction_enabled ? function (d, i) {
+            var updated = $$.updateAngle(d),
+                arcData;
+            if (updated) {
+                arcData = $$.convertToArcData(updated);
+                if ($$.toggleShape) {
+                    $$.toggleShape(this, arcData, i);
+                }
+                $$.config.data_onclick.call($$.api, arcData, this);
+            }
+        } : null).each(function () {
+            $$.transiting = true;
+        }).transition().duration(duration).attrTween("d", function (d) {
+            var updated = $$.updateAngle(d),
+                interpolate;
+            if (!updated) {
+                return function () {
+                    return "M 0 0";
+                };
+            }
+            //                if (this._current === d) {
+            //                    this._current = {
+            //                        startAngle: Math.PI*2,
+            //                        endAngle: Math.PI*2,
+            //                    };
+            //                }
+            if (isNaN(this._current.startAngle)) {
+                this._current.startAngle = 0;
+            }
+            if (isNaN(this._current.endAngle)) {
+                this._current.endAngle = this._current.startAngle;
+            }
+            interpolate = d3.interpolate(this._current, updated);
+            this._current = interpolate(0);
+            return function (t) {
+                var interpolated = interpolate(t);
+                interpolated.data = d.data; // data.id will be updated by interporator
+                return $$.getArc(interpolated, true);
+            };
+        }).attr("transform", withTransform ? "scale(1)" : "").style("fill", function (d) {
+            return $$.levelColor ? $$.levelColor(d.data.values[0].value) : $$.color(d.data.id);
+        }) // Where gauge reading color would receive customization.
+        .call($$.endall, function () {
+            $$.transiting = false;
+        });
+        arcs.exit().transition().duration(durationForExit).style('opacity', 0).remove();
+        main.selectAll('.' + CLASS.chartArc).select('text').style("opacity", 0).attr('class', function (d) {
+            return $$.isGaugeType(d.data) ? CLASS.gaugeValue : '';
+        }).text($$.textForArcLabel.bind($$)).attr("transform", $$.transformForArcLabel.bind($$)).style('font-size', function (d) {
+            return $$.isGaugeType(d.data) && $$.filterTargetsToShow($$.data.targets).length === 1 ? Math.round($$.radius / 5) + 'px' : '';
+        }).transition().duration(duration).style("opacity", function (d) {
+            return $$.isTargetToShow(d.data.id) && $$.isArcType(d.data) ? 1 : 0;
+        });
+        main.select('.' + CLASS.chartArcsTitle).style("opacity", $$.hasType('donut') || hasGaugeType ? 1 : 0);
+
+        if (hasGaugeType) {
+            var index = 0;
+            backgroundArc = $$.arcs.select('g.' + CLASS.chartArcsBackground).selectAll('path.' + CLASS.chartArcsBackground).data($$.data.targets);
+            backgroundArc.enter().append("path");
+            backgroundArc.attr("class", function (d, i) {
+                return CLASS.chartArcsBackground + ' ' + CLASS.chartArcsBackground + '-' + i;
+            }).attr("d", function (d1) {
+                if ($$.hiddenTargetIds.indexOf(d1.id) >= 0) {
+                    return "M 0 0";
+                }
+
+                var d = {
+                    data: [{ value: config.gauge_max }],
+                    startAngle: config.gauge_startingAngle,
+                    endAngle: -1 * config.gauge_startingAngle * (config.gauge_fullCircle ? Math.PI : 1),
+                    index: index++
+                };
+                return $$.getArc(d, true, true);
+            });
+            backgroundArc.exit().remove();
+
+            $$.arcs.select('.' + CLASS.chartArcsGaugeUnit).attr("dy", ".75em").text(config.gauge_label_show ? config.gauge_units : '');
+            $$.arcs.select('.' + CLASS.chartArcsGaugeMin).attr("dx", -1 * ($$.innerRadius + ($$.radius - $$.innerRadius) / (config.gauge_fullCircle ? 1 : 2)) + "px").attr("dy", "1.2em").text(config.gauge_label_show ? $$.textForGaugeMinMax(config.gauge_min, false) : '');
+            $$.arcs.select('.' + CLASS.chartArcsGaugeMax).attr("dx", $$.innerRadius + ($$.radius - $$.innerRadius) / (config.gauge_fullCircle ? 1 : 2) + "px").attr("dy", "1.2em").text(config.gauge_label_show ? $$.textForGaugeMinMax(config.gauge_max, true) : '');
+        }
+    };
+    c3_chart_internal_fn.initGauge = function () {
+        var arcs = this.arcs;
+        if (this.hasType('gauge')) {
+            arcs.append('g').attr("class", CLASS.chartArcsBackground);
+            arcs.append("text").attr("class", CLASS.chartArcsGaugeUnit).style("text-anchor", "middle").style("pointer-events", "none");
+            arcs.append("text").attr("class", CLASS.chartArcsGaugeMin).style("text-anchor", "middle").style("pointer-events", "none");
+            arcs.append("text").attr("class", CLASS.chartArcsGaugeMax).style("text-anchor", "middle").style("pointer-events", "none");
+        }
+    };
+    c3_chart_internal_fn.getGaugeLabelHeight = function () {
+        return this.config.gauge_label_show ? 20 : 0;
+    };
+
+    c3_chart_internal_fn.hasCaches = function (ids) {
+        for (var i = 0; i < ids.length; i++) {
+            if (!(ids[i] in this.cache)) {
+                return false;
+            }
+        }
+        return true;
+    };
+    c3_chart_internal_fn.addCache = function (id, target) {
+        this.cache[id] = this.cloneTarget(target);
+    };
+    c3_chart_internal_fn.getCaches = function (ids) {
+        var targets = [],
+            i;
+        for (i = 0; i < ids.length; i++) {
+            if (ids[i] in this.cache) {
+                targets.push(this.cloneTarget(this.cache[ids[i]]));
+            }
+        }
+        return targets;
+    };
+
+    c3_chart_internal_fn.categoryName = function (i) {
+        var config = this.config;
+        return i < config.axis_x_categories.length ? config.axis_x_categories[i] : i;
+    };
+
+    c3_chart_internal_fn.generateTargetClass = function (targetId) {
+        return targetId || targetId === 0 ? ('-' + targetId).replace(/\s/g, '-') : '';
+    };
+    c3_chart_internal_fn.generateClass = function (prefix, targetId) {
+        return " " + prefix + " " + prefix + this.generateTargetClass(targetId);
+    };
+    c3_chart_internal_fn.classText = function (d) {
+        return this.generateClass(CLASS.text, d.index);
+    };
+    c3_chart_internal_fn.classTexts = function (d) {
+        return this.generateClass(CLASS.texts, d.id);
+    };
+    c3_chart_internal_fn.classShape = function (d) {
+        return this.generateClass(CLASS.shape, d.index);
+    };
+    c3_chart_internal_fn.classShapes = function (d) {
+        return this.generateClass(CLASS.shapes, d.id);
+    };
+    c3_chart_internal_fn.classLine = function (d) {
+        return this.classShape(d) + this.generateClass(CLASS.line, d.id);
+    };
+    c3_chart_internal_fn.classLines = function (d) {
+        return this.classShapes(d) + this.generateClass(CLASS.lines, d.id);
+    };
+    c3_chart_internal_fn.classCircle = function (d) {
+        return this.classShape(d) + this.generateClass(CLASS.circle, d.index);
+    };
+    c3_chart_internal_fn.classCircles = function (d) {
+        return this.classShapes(d) + this.generateClass(CLASS.circles, d.id);
+    };
+    c3_chart_internal_fn.classBar = function (d) {
+        return this.classShape(d) + this.generateClass(CLASS.bar, d.index);
+    };
+    c3_chart_internal_fn.classBars = function (d) {
+        return this.classShapes(d) + this.generateClass(CLASS.bars, d.id);
+    };
+    c3_chart_internal_fn.classArc = function (d) {
+        return this.classShape(d.data) + this.generateClass(CLASS.arc, d.data.id);
+    };
+    c3_chart_internal_fn.classArcs = function (d) {
+        return this.classShapes(d.data) + this.generateClass(CLASS.arcs, d.data.id);
+    };
+    c3_chart_internal_fn.classArea = function (d) {
+        return this.classShape(d) + this.generateClass(CLASS.area, d.id);
+    };
+    c3_chart_internal_fn.classAreas = function (d) {
+        return this.classShapes(d) + this.generateClass(CLASS.areas, d.id);
+    };
+    c3_chart_internal_fn.classRegion = function (d, i) {
+        return this.generateClass(CLASS.region, i) + ' ' + ('class' in d ? d['class'] : '');
+    };
+    c3_chart_internal_fn.classEvent = function (d) {
+        return this.generateClass(CLASS.eventRect, d.index);
+    };
+    c3_chart_internal_fn.classTarget = function (id) {
+        var $$ = this;
+        var additionalClassSuffix = $$.config.data_classes[id],
+            additionalClass = '';
+        if (additionalClassSuffix) {
+            additionalClass = ' ' + CLASS.target + '-' + additionalClassSuffix;
+        }
+        return $$.generateClass(CLASS.target, id) + additionalClass;
+    };
+    c3_chart_internal_fn.classFocus = function (d) {
+        return this.classFocused(d) + this.classDefocused(d);
+    };
+    c3_chart_internal_fn.classFocused = function (d) {
+        return ' ' + (this.focusedTargetIds.indexOf(d.id) >= 0 ? CLASS.focused : '');
+    };
+    c3_chart_internal_fn.classDefocused = function (d) {
+        return ' ' + (this.defocusedTargetIds.indexOf(d.id) >= 0 ? CLASS.defocused : '');
+    };
+    c3_chart_internal_fn.classChartText = function (d) {
+        return CLASS.chartText + this.classTarget(d.id);
+    };
+    c3_chart_internal_fn.classChartLine = function (d) {
+        return CLASS.chartLine + this.classTarget(d.id);
+    };
+    c3_chart_internal_fn.classChartBar = function (d) {
+        return CLASS.chartBar + this.classTarget(d.id);
+    };
+    c3_chart_internal_fn.classChartArc = function (d) {
+        return CLASS.chartArc + this.classTarget(d.data.id);
+    };
+    c3_chart_internal_fn.getTargetSelectorSuffix = function (targetId) {
+        return this.generateTargetClass(targetId).replace(/([?!@#$%^&*()_=+,.<>'":;\[\]\/|~`{}\\])/g, '\\$1');
+    };
+    c3_chart_internal_fn.selectorTarget = function (id, prefix) {
+        return (prefix || '') + '.' + CLASS.target + this.getTargetSelectorSuffix(id);
+    };
+    c3_chart_internal_fn.selectorTargets = function (ids, prefix) {
+        var $$ = this;
+        ids = ids || [];
+        return ids.length ? ids.map(function (id) {
+            return $$.selectorTarget(id, prefix);
+        }) : null;
+    };
+    c3_chart_internal_fn.selectorLegend = function (id) {
+        return '.' + CLASS.legendItem + this.getTargetSelectorSuffix(id);
+    };
+    c3_chart_internal_fn.selectorLegends = function (ids) {
+        var $$ = this;
+        return ids && ids.length ? ids.map(function (id) {
+            return $$.selectorLegend(id);
+        }) : null;
+    };
+
+    c3_chart_internal_fn.getClipPath = function (id) {
+        var isIE9 = window.navigator.appVersion.toLowerCase().indexOf("msie 9.") >= 0;
+        return "url(" + (isIE9 ? "" : document.URL.split('#')[0]) + "#" + id + ")";
+    };
+    c3_chart_internal_fn.appendClip = function (parent, id) {
+        return parent.append("clipPath").attr("id", id).append("rect");
+    };
+    c3_chart_internal_fn.getAxisClipX = function (forHorizontal) {
+        // axis line width + padding for left
+        var left = Math.max(30, this.margin.left);
+        return forHorizontal ? -(1 + left) : -(left - 1);
+    };
+    c3_chart_internal_fn.getAxisClipY = function (forHorizontal) {
+        return forHorizontal ? -20 : -this.margin.top;
+    };
+    c3_chart_internal_fn.getXAxisClipX = function () {
+        var $$ = this;
+        return $$.getAxisClipX(!$$.config.axis_rotated);
+    };
+    c3_chart_internal_fn.getXAxisClipY = function () {
+        var $$ = this;
+        return $$.getAxisClipY(!$$.config.axis_rotated);
+    };
+    c3_chart_internal_fn.getYAxisClipX = function () {
+        var $$ = this;
+        return $$.config.axis_y_inner ? -1 : $$.getAxisClipX($$.config.axis_rotated);
+    };
+    c3_chart_internal_fn.getYAxisClipY = function () {
+        var $$ = this;
+        return $$.getAxisClipY($$.config.axis_rotated);
+    };
+    c3_chart_internal_fn.getAxisClipWidth = function (forHorizontal) {
+        var $$ = this,
+            left = Math.max(30, $$.margin.left),
+            right = Math.max(30, $$.margin.right);
+        // width + axis line width + padding for left/right
+        return forHorizontal ? $$.width + 2 + left + right : $$.margin.left + 20;
+    };
+    c3_chart_internal_fn.getAxisClipHeight = function (forHorizontal) {
+        // less than 20 is not enough to show the axis label 'outer' without legend
+        return (forHorizontal ? this.margin.bottom : this.margin.top + this.height) + 20;
+    };
+    c3_chart_internal_fn.getXAxisClipWidth = function () {
+        var $$ = this;
+        return $$.getAxisClipWidth(!$$.config.axis_rotated);
+    };
+    c3_chart_internal_fn.getXAxisClipHeight = function () {
+        var $$ = this;
+        return $$.getAxisClipHeight(!$$.config.axis_rotated);
+    };
+    c3_chart_internal_fn.getYAxisClipWidth = function () {
+        var $$ = this;
+        return $$.getAxisClipWidth($$.config.axis_rotated) + ($$.config.axis_y_inner ? 20 : 0);
+    };
+    c3_chart_internal_fn.getYAxisClipHeight = function () {
+        var $$ = this;
+        return $$.getAxisClipHeight($$.config.axis_rotated);
+    };
+
+    c3_chart_internal_fn.generateColor = function () {
+        var $$ = this,
+            config = $$.config,
+            d3 = $$.d3,
+            colors = config.data_colors,
+            pattern = notEmpty(config.color_pattern) ? config.color_pattern : d3.schemeCategory10,
+            callback = config.data_color,
+            ids = [];
+
+        return function (d) {
+            var id = d.id || d.data && d.data.id || d,
+                color;
+
+            // if callback function is provided
+            if (colors[id] instanceof Function) {
+                color = colors[id](d);
+            }
+            // if specified, choose that color
+            else if (colors[id]) {
+                    color = colors[id];
+                }
+                // if not specified, choose from pattern
+                else {
+                        if (ids.indexOf(id) < 0) {
+                            ids.push(id);
+                        }
+                        color = pattern[ids.indexOf(id) % pattern.length];
+                        colors[id] = color;
+                    }
+            return callback instanceof Function ? callback(color, d) : color;
+        };
+    };
+    c3_chart_internal_fn.generateLevelColor = function () {
+        var $$ = this,
+            config = $$.config,
+            colors = config.color_pattern,
+            threshold = config.color_threshold,
+            asValue = threshold.unit === 'value',
+            values = threshold.values && threshold.values.length ? threshold.values : [],
+            max = threshold.max || 100;
+        return notEmpty(config.color_threshold) ? function (value) {
+            var i,
+                v,
+                color = colors[colors.length - 1];
+            for (i = 0; i < values.length; i++) {
+                v = asValue ? value : value * 100 / max;
+                if (v < values[i]) {
+                    color = colors[i];
+                    break;
+                }
+            }
+            return color;
+        } : null;
+    };
+
+    c3_chart_internal_fn.getDefaultConfig = function () {
+        var config = {
+            bindto: '#chart',
+            svg_classname: undefined,
+            size_width: undefined,
+            size_height: undefined,
+            padding_left: undefined,
+            padding_right: undefined,
+            padding_top: undefined,
+            padding_bottom: undefined,
+            resize_auto: true,
+            zoom_enabled: false,
+            zoom_initialRange: undefined,
+            zoom_privileged: false,
+            zoom_rescale: false,
+            zoom_onzoom: function zoom_onzoom() {},
+            zoom_onzoomstart: function zoom_onzoomstart() {},
+            zoom_onzoomend: function zoom_onzoomend() {},
+            zoom_x_min: undefined,
+            zoom_x_max: undefined,
+            interaction_brighten: true,
+            interaction_enabled: true,
+            onmouseover: function onmouseover() {},
+            onmouseout: function onmouseout() {},
+            onresize: function onresize() {},
+            onresized: function onresized() {},
+            oninit: function oninit() {},
+            onrendered: function onrendered() {},
+            transition_duration: 350,
+            data_x: undefined,
+            data_xs: {},
+            data_xFormat: '%Y-%m-%d',
+            data_xLocaltime: true,
+            data_xSort: true,
+            data_idConverter: function data_idConverter(id) {
+                return id;
+            },
+            data_names: {},
+            data_classes: {},
+            data_groups: [],
+            data_axes: {},
+            data_type: undefined,
+            data_types: {},
+            data_labels: {},
+            data_order: 'desc',
+            data_regions: {},
+            data_color: undefined,
+            data_colors: {},
+            data_hide: false,
+            data_filter: undefined,
+            data_selection_enabled: false,
+            data_selection_grouped: false,
+            data_selection_isselectable: function data_selection_isselectable() {
+                return true;
+            },
+            data_selection_multiple: true,
+            data_selection_draggable: false,
+            data_onclick: function data_onclick() {},
+            data_onmouseover: function data_onmouseover() {},
+            data_onmouseout: function data_onmouseout() {},
+            data_onselected: function data_onselected() {},
+            data_onunselected: function data_onunselected() {},
+            data_url: undefined,
+            data_headers: undefined,
+            data_json: undefined,
+            data_rows: undefined,
+            data_columns: undefined,
+            data_mimeType: undefined,
+            data_keys: undefined,
+            // configuration for no plot-able data supplied.
+            data_empty_label_text: "",
+            // subchart
+            subchart_show: false,
+            subchart_size_height: 60,
+            subchart_axis_x_show: true,
+            subchart_onbrush: function subchart_onbrush() {},
+            // color
+            color_pattern: [],
+            color_threshold: {},
+            // legend
+            legend_show: true,
+            legend_hide: false,
+            legend_position: 'bottom',
+            legend_inset_anchor: 'top-left',
+            legend_inset_x: 10,
+            legend_inset_y: 0,
+            legend_inset_step: undefined,
+            legend_item_onclick: undefined,
+            legend_item_onmouseover: undefined,
+            legend_item_onmouseout: undefined,
+            legend_equally: false,
+            legend_padding: 0,
+            legend_item_tile_width: 10,
+            legend_item_tile_height: 10,
+            // axis
+            axis_rotated: false,
+            axis_x_show: true,
+            axis_x_type: 'indexed',
+            axis_x_localtime: true,
+            axis_x_categories: [],
+            axis_x_tick_centered: false,
+            axis_x_tick_format: undefined,
+            axis_x_tick_culling: {},
+            axis_x_tick_culling_max: 10,
+            axis_x_tick_count: undefined,
+            axis_x_tick_fit: true,
+            axis_x_tick_values: null,
+            axis_x_tick_rotate: 0,
+            axis_x_tick_outer: true,
+            axis_x_tick_multiline: true,
+            axis_x_tick_multilineMax: 0,
+            axis_x_tick_width: null,
+            axis_x_max: undefined,
+            axis_x_min: undefined,
+            axis_x_padding: {},
+            axis_x_height: undefined,
+            axis_x_selection: undefined,
+            axis_x_label: {},
+            axis_x_inner: undefined,
+            axis_y_show: true,
+            axis_y_type: undefined,
+            axis_y_max: undefined,
+            axis_y_min: undefined,
+            axis_y_inverted: false,
+            axis_y_center: undefined,
+            axis_y_inner: undefined,
+            axis_y_label: {},
+            axis_y_tick_format: undefined,
+            axis_y_tick_outer: true,
+            axis_y_tick_values: null,
+            axis_y_tick_rotate: 0,
+            axis_y_tick_count: undefined,
+            axis_y_tick_time_type: undefined,
+            axis_y_tick_time_interval: undefined,
+            axis_y_padding: {},
+            axis_y_default: undefined,
+            axis_y2_show: false,
+            axis_y2_max: undefined,
+            axis_y2_min: undefined,
+            axis_y2_inverted: false,
+            axis_y2_center: undefined,
+            axis_y2_inner: undefined,
+            axis_y2_label: {},
+            axis_y2_tick_format: undefined,
+            axis_y2_tick_outer: true,
+            axis_y2_tick_values: null,
+            axis_y2_tick_count: undefined,
+            axis_y2_padding: {},
+            axis_y2_default: undefined,
+            // grid
+            grid_x_show: false,
+            grid_x_type: 'tick',
+            grid_x_lines: [],
+            grid_y_show: false,
+            // not used
+            // grid_y_type: 'tick',
+            grid_y_lines: [],
+            grid_y_ticks: 10,
+            grid_focus_show: true,
+            grid_lines_front: true,
+            // point - point of each data
+            point_show: true,
+            point_r: 2.5,
+            point_sensitivity: 10,
+            point_focus_expand_enabled: true,
+            point_focus_expand_r: undefined,
+            point_select_r: undefined,
+            // line
+            line_connectNull: false,
+            line_step_type: 'step',
+            // bar
+            bar_width: undefined,
+            bar_width_ratio: 0.6,
+            bar_width_max: undefined,
+            bar_zerobased: true,
+            bar_space: 0,
+            // area
+            area_zerobased: true,
+            area_above: false,
+            // pie
+            pie_label_show: true,
+            pie_label_format: undefined,
+            pie_label_threshold: 0.05,
+            pie_label_ratio: undefined,
+            pie_expand: {},
+            pie_expand_duration: 50,
+            // gauge
+            gauge_fullCircle: false,
+            gauge_label_show: true,
+            gauge_labelLine_show: true,
+            gauge_label_format: undefined,
+            gauge_min: 0,
+            gauge_max: 100,
+            gauge_startingAngle: -1 * Math.PI / 2,
+            gauge_label_extents: undefined,
+            gauge_units: undefined,
+            gauge_width: undefined,
+            gauge_arcs_minWidth: 5,
+            gauge_expand: {},
+            gauge_expand_duration: 50,
+            // donut
+            donut_label_show: true,
+            donut_label_format: undefined,
+            donut_label_threshold: 0.05,
+            donut_label_ratio: undefined,
+            donut_width: undefined,
+            donut_title: "",
+            donut_expand: {},
+            donut_expand_duration: 50,
+            // spline
+            spline_interpolation_type: 'cardinal',
+            // region - region to change style
+            regions: [],
+            // tooltip - show when mouseover on each data
+            tooltip_show: true,
+            tooltip_grouped: true,
+            tooltip_order: undefined,
+            tooltip_format_title: undefined,
+            tooltip_format_name: undefined,
+            tooltip_format_value: undefined,
+            tooltip_position: undefined,
+            tooltip_contents: function tooltip_contents(d, defaultTitleFormat, defaultValueFormat, color) {
+                return this.getTooltipContent ? this.getTooltipContent(d, defaultTitleFormat, defaultValueFormat, color) : '';
+            },
+            tooltip_init_show: false,
+            tooltip_init_x: 0,
+            tooltip_init_position: { top: '0px', left: '50px' },
+            tooltip_onshow: function tooltip_onshow() {},
+            tooltip_onhide: function tooltip_onhide() {},
+            // title
+            title_text: undefined,
+            title_padding: {
+                top: 0,
+                right: 0,
+                bottom: 0,
+                left: 0
+            },
+            title_position: 'top-center'
+        };
+
+        Object.keys(this.additionalConfig).forEach(function (key) {
+            config[key] = this.additionalConfig[key];
+        }, this);
+
+        return config;
+    };
+    c3_chart_internal_fn.additionalConfig = {};
+
+    c3_chart_internal_fn.loadConfig = function (config) {
+        var this_config = this.config,
+            target,
+            keys,
+            read;
+        function find() {
+            var key = keys.shift();
+            //        console.log("key =>", key, ", target =>", target);
+            if (key && target && (typeof target === 'undefined' ? 'undefined' : _typeof(target)) === 'object' && key in target) {
+                target = target[key];
+                return find();
+            } else if (!key) {
+                return target;
+            } else {
+                return undefined;
+            }
+        }
+        Object.keys(this_config).forEach(function (key) {
+            target = config;
+            keys = key.split('_');
+            read = find();
+            //        console.log("CONFIG : ", key, read);
+            if (isDefined(read)) {
+                this_config[key] = read;
+            }
+        });
+    };
+
+    c3_chart_internal_fn.convertUrlToData = function (url, mimeType, headers, keys, done) {
+        var $$ = this,
+            type = mimeType ? mimeType : 'csv',
+            f,
+            converter;
+
+        if (type === 'json') {
+            f = $$.d3.json;
+            converter = $$.convertJsonToData;
+        } else if (type === 'tsv') {
+            f = $$.d3.tsv;
+            converter = $$.convertXsvToData;
+        } else {
+            f = $$.d3.csv;
+            converter = $$.convertXsvToData;
+        }
+
+        f(url, headers).then(function (data) {
+            done.call($$, converter.call($$, data, keys));
+        }).catch(function (error) {
+            throw error;
+        });
+    };
+    c3_chart_internal_fn.convertXsvToData = function (xsv) {
+        var keys = xsv.columns,
+            rows = xsv;
+        if (rows.length === 0) {
+            return { keys: keys, rows: [keys.reduce(function (row, key) {
+                    return Object.assign(row, defineProperty({}, key, null));
+                }, {})] };
+        } else {
+            // [].concat() is to convert result into a plain array otherwise
+            // test is not happy because rows have properties.
+            return { keys: keys, rows: [].concat(xsv) };
+        }
+    };
+    c3_chart_internal_fn.convertJsonToData = function (json, keys) {
+        var $$ = this,
+            new_rows = [],
+            targetKeys,
+            data;
+        if (keys) {
+            // when keys specified, json would be an array that includes objects
+            if (keys.x) {
+                targetKeys = keys.value.concat(keys.x);
+                $$.config.data_x = keys.x;
+            } else {
+                targetKeys = keys.value;
+            }
+            new_rows.push(targetKeys);
+            json.forEach(function (o) {
+                var new_row = [];
+                targetKeys.forEach(function (key) {
+                    // convert undefined to null because undefined data will be removed in convertDataToTargets()
+                    var v = $$.findValueInJson(o, key);
+                    if (isUndefined(v)) {
+                        v = null;
+                    }
+                    new_row.push(v);
+                });
+                new_rows.push(new_row);
+            });
+            data = $$.convertRowsToData(new_rows);
+        } else {
+            Object.keys(json).forEach(function (key) {
+                new_rows.push([key].concat(json[key]));
+            });
+            data = $$.convertColumnsToData(new_rows);
+        }
+        return data;
+    };
+    c3_chart_internal_fn.findValueInJson = function (object, path) {
+        path = path.replace(/\[(\w+)\]/g, '.$1'); // convert indexes to properties (replace [] with .)
+        path = path.replace(/^\./, ''); // strip a leading dot
+        var pathArray = path.split('.');
+        for (var i = 0; i < pathArray.length; ++i) {
+            var k = pathArray[i];
+            if (k in object) {
+                object = object[k];
+            } else {
+                return;
+            }
+        }
+        return object;
+    };
+
+    /**
+     * Converts the rows to normalized data.
+     * @param {any[][]} rows The row data
+     * @return {Object}
+     */
+    c3_chart_internal_fn.convertRowsToData = function (rows) {
+        var newRows = [];
+        var keys = rows[0];
+
+        for (var i = 1; i < rows.length; i++) {
+            var newRow = {};
+            for (var j = 0; j < rows[i].length; j++) {
+                if (isUndefined(rows[i][j])) {
+                    throw new Error("Source data is missing a component at (" + i + "," + j + ")!");
+                }
+                newRow[keys[j]] = rows[i][j];
+            }
+            newRows.push(newRow);
+        }
+        return { keys: keys, rows: newRows };
+    };
+
+    /**
+     * Converts the columns to normalized data.
+     * @param {any[][]} columns The column data
+     * @return {Object}
+     */
+    c3_chart_internal_fn.convertColumnsToData = function (columns) {
+        var newRows = [];
+        var keys = [];
+
+        for (var i = 0; i < columns.length; i++) {
+            var key = columns[i][0];
+            for (var j = 1; j < columns[i].length; j++) {
+                if (isUndefined(newRows[j - 1])) {
+                    newRows[j - 1] = {};
+                }
+                if (isUndefined(columns[i][j])) {
+                    throw new Error("Source data is missing a component at (" + i + "," + j + ")!");
+                }
+                newRows[j - 1][key] = columns[i][j];
+            }
+            keys.push(key);
+        }
+
+        return { keys: keys, rows: newRows };
+    };
+
+    /**
+     * Converts the data format into the target format.
+     * @param {!Object} data
+     * @param {!Array} data.keys Ordered list of target IDs.
+     * @param {!Array} data.rows Rows of data to convert.
+     * @param {boolean} appendXs True to append to $$.data.xs, False to replace.
+     * @return {!Array}
+     */
+    c3_chart_internal_fn.convertDataToTargets = function (data, appendXs) {
+        var $$ = this,
+            config = $$.config,
+            targets,
+            ids,
+            xs,
+            keys;
+
+        // handles format where keys are not orderly provided
+        if (isArray(data)) {
+            keys = Object.keys(data[0]);
+        } else {
+            keys = data.keys;
+            data = data.rows;
+        }
+
+        ids = keys.filter($$.isNotX, $$);
+        xs = keys.filter($$.isX, $$);
+
+        // save x for update data by load when custom x and c3.x API
+        ids.forEach(function (id) {
+            var xKey = $$.getXKey(id);
+
+            if ($$.isCustomX() || $$.isTimeSeries()) {
+                // if included in input data
+                if (xs.indexOf(xKey) >= 0) {
+                    $$.data.xs[id] = (appendXs && $$.data.xs[id] ? $$.data.xs[id] : []).concat(data.map(function (d) {
+                        return d[xKey];
+                    }).filter(isValue).map(function (rawX, i) {
+                        return $$.generateTargetX(rawX, id, i);
+                    }));
+                }
+                // if not included in input data, find from preloaded data of other id's x
+                else if (config.data_x) {
+                        $$.data.xs[id] = $$.getOtherTargetXs();
+                    }
+                    // if not included in input data, find from preloaded data
+                    else if (notEmpty(config.data_xs)) {
+                            $$.data.xs[id] = $$.getXValuesOfXKey(xKey, $$.data.targets);
+                        }
+                // MEMO: if no x included, use same x of current will be used
+            } else {
+                $$.data.xs[id] = data.map(function (d, i) {
+                    return i;
+                });
+            }
+        });
+
+        // check x is defined
+        ids.forEach(function (id) {
+            if (!$$.data.xs[id]) {
+                throw new Error('x is not defined for id = "' + id + '".');
+            }
+        });
+
+        // convert to target
+        targets = ids.map(function (id, index) {
+            var convertedId = config.data_idConverter(id);
+            return {
+                id: convertedId,
+                id_org: id,
+                values: data.map(function (d, i) {
+                    var xKey = $$.getXKey(id),
+                        rawX = d[xKey],
+                        value = d[id] !== null && !isNaN(d[id]) ? +d[id] : null,
+                        x;
+                    // use x as categories if custom x and categorized
+                    if ($$.isCustomX() && $$.isCategorized() && !isUndefined(rawX)) {
+                        if (index === 0 && i === 0) {
+                            config.axis_x_categories = [];
+                        }
+                        x = config.axis_x_categories.indexOf(rawX);
+                        if (x === -1) {
+                            x = config.axis_x_categories.length;
+                            config.axis_x_categories.push(rawX);
+                        }
+                    } else {
+                        x = $$.generateTargetX(rawX, id, i);
+                    }
+                    // mark as x = undefined if value is undefined and filter to remove after mapped
+                    if (isUndefined(d[id]) || $$.data.xs[id].length <= i) {
+                        x = undefined;
+                    }
+                    return { x: x, value: value, id: convertedId };
+                }).filter(function (v) {
+                    return isDefined(v.x);
+                })
+            };
+        });
+
+        // finish targets
+        targets.forEach(function (t) {
+            var i;
+            // sort values by its x
+            if (config.data_xSort) {
+                t.values = t.values.sort(function (v1, v2) {
+                    var x1 = v1.x || v1.x === 0 ? v1.x : Infinity,
+                        x2 = v2.x || v2.x === 0 ? v2.x : Infinity;
+                    return x1 - x2;
+                });
+            }
+            // indexing each value
+            i = 0;
+            t.values.forEach(function (v) {
+                v.index = i++;
+            });
+            // this needs to be sorted because its index and value.index is identical
+            $$.data.xs[t.id].sort(function (v1, v2) {
+                return v1 - v2;
+            });
+        });
+
+        // cache information about values
+        $$.hasNegativeValue = $$.hasNegativeValueInTargets(targets);
+        $$.hasPositiveValue = $$.hasPositiveValueInTargets(targets);
+
+        // set target types
+        if (config.data_type) {
+            $$.setTargetType($$.mapToIds(targets).filter(function (id) {
+                return !(id in config.data_types);
+            }), config.data_type);
+        }
+
+        // cache as original id keyed
+        targets.forEach(function (d) {
+            $$.addCache(d.id_org, d);
+        });
+
+        return targets;
+    };
+
+    c3_chart_internal_fn.isX = function (key) {
+        var $$ = this,
+            config = $$.config;
+        return config.data_x && key === config.data_x || notEmpty(config.data_xs) && hasValue(config.data_xs, key);
+    };
+    c3_chart_internal_fn.isNotX = function (key) {
+        return !this.isX(key);
+    };
+    c3_chart_internal_fn.getXKey = function (id) {
+        var $$ = this,
+            config = $$.config;
+        return config.data_x ? config.data_x : notEmpty(config.data_xs) ? config.data_xs[id] : null;
+    };
+    c3_chart_internal_fn.getXValuesOfXKey = function (key, targets) {
+        var $$ = this,
+            xValues,
+            ids = targets && notEmpty(targets) ? $$.mapToIds(targets) : [];
+        ids.forEach(function (id) {
+            if ($$.getXKey(id) === key) {
+                xValues = $$.data.xs[id];
+            }
+        });
+        return xValues;
+    };
+    c3_chart_internal_fn.getXValue = function (id, i) {
+        var $$ = this;
+        return id in $$.data.xs && $$.data.xs[id] && isValue($$.data.xs[id][i]) ? $$.data.xs[id][i] : i;
+    };
+    c3_chart_internal_fn.getOtherTargetXs = function () {
+        var $$ = this,
+            idsForX = Object.keys($$.data.xs);
+        return idsForX.length ? $$.data.xs[idsForX[0]] : null;
+    };
+    c3_chart_internal_fn.getOtherTargetX = function (index) {
+        var xs = this.getOtherTargetXs();
+        return xs && index < xs.length ? xs[index] : null;
+    };
+    c3_chart_internal_fn.addXs = function (xs) {
+        var $$ = this;
+        Object.keys(xs).forEach(function (id) {
+            $$.config.data_xs[id] = xs[id];
+        });
+    };
+    c3_chart_internal_fn.addName = function (data) {
+        var $$ = this,
+            name;
+        if (data) {
+            name = $$.config.data_names[data.id];
+            data.name = name !== undefined ? name : data.id;
+        }
+        return data;
+    };
+    c3_chart_internal_fn.getValueOnIndex = function (values, index) {
+        var valueOnIndex = values.filter(function (v) {
+            return v.index === index;
+        });
+        return valueOnIndex.length ? valueOnIndex[0] : null;
+    };
+    c3_chart_internal_fn.updateTargetX = function (targets, x) {
+        var $$ = this;
+        targets.forEach(function (t) {
+            t.values.forEach(function (v, i) {
+                v.x = $$.generateTargetX(x[i], t.id, i);
+            });
+            $$.data.xs[t.id] = x;
+        });
+    };
+    c3_chart_internal_fn.updateTargetXs = function (targets, xs) {
+        var $$ = this;
+        targets.forEach(function (t) {
+            if (xs[t.id]) {
+                $$.updateTargetX([t], xs[t.id]);
+            }
+        });
+    };
+    c3_chart_internal_fn.generateTargetX = function (rawX, id, index) {
+        var $$ = this,
+            x;
+        if ($$.isTimeSeries()) {
+            x = rawX ? $$.parseDate(rawX) : $$.parseDate($$.getXValue(id, index));
+        } else if ($$.isCustomX() && !$$.isCategorized()) {
+            x = isValue(rawX) ? +rawX : $$.getXValue(id, index);
+        } else {
+            x = index;
+        }
+        return x;
+    };
+    c3_chart_internal_fn.cloneTarget = function (target) {
+        return {
+            id: target.id,
+            id_org: target.id_org,
+            values: target.values.map(function (d) {
+                return { x: d.x, value: d.value, id: d.id };
+            })
+        };
+    };
+    c3_chart_internal_fn.getMaxDataCount = function () {
+        var $$ = this;
+        return $$.d3.max($$.data.targets, function (t) {
+            return t.values.length;
+        });
+    };
+    c3_chart_internal_fn.mapToIds = function (targets) {
+        return targets.map(function (d) {
+            return d.id;
+        });
+    };
+    c3_chart_internal_fn.mapToTargetIds = function (ids) {
+        var $$ = this;
+        return ids ? [].concat(ids) : $$.mapToIds($$.data.targets);
+    };
+    c3_chart_internal_fn.hasTarget = function (targets, id) {
+        var ids = this.mapToIds(targets),
+            i;
+        for (i = 0; i < ids.length; i++) {
+            if (ids[i] === id) {
+                return true;
+            }
+        }
+        return false;
+    };
+    c3_chart_internal_fn.isTargetToShow = function (targetId) {
+        return this.hiddenTargetIds.indexOf(targetId) < 0;
+    };
+    c3_chart_internal_fn.isLegendToShow = function (targetId) {
+        return this.hiddenLegendIds.indexOf(targetId) < 0;
+    };
+    c3_chart_internal_fn.filterTargetsToShow = function (targets) {
+        var $$ = this;
+        return targets.filter(function (t) {
+            return $$.isTargetToShow(t.id);
+        });
+    };
+    c3_chart_internal_fn.mapTargetsToUniqueXs = function (targets) {
+        var $$ = this;
+        var xs = $$.d3.set($$.d3.merge(targets.map(function (t) {
+            return t.values.map(function (v) {
+                return +v.x;
+            });
+        }))).values();
+        xs = $$.isTimeSeries() ? xs.map(function (x) {
+            return new Date(+x);
+        }) : xs.map(function (x) {
+            return +x;
+        });
+        return xs.sort(function (a, b) {
+            return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN;
+        });
+    };
+    c3_chart_internal_fn.addHiddenTargetIds = function (targetIds) {
+        targetIds = targetIds instanceof Array ? targetIds : new Array(targetIds);
+        for (var i = 0; i < targetIds.length; i++) {
+            if (this.hiddenTargetIds.indexOf(targetIds[i]) < 0) {
+                this.hiddenTargetIds = this.hiddenTargetIds.concat(targetIds[i]);
+            }
+        }
+    };
+    c3_chart_internal_fn.removeHiddenTargetIds = function (targetIds) {
+        this.hiddenTargetIds = this.hiddenTargetIds.filter(function (id) {
+            return targetIds.indexOf(id) < 0;
+        });
+    };
+    c3_chart_internal_fn.addHiddenLegendIds = function (targetIds) {
+        targetIds = targetIds instanceof Array ? targetIds : new Array(targetIds);
+        for (var i = 0; i < targetIds.length; i++) {
+            if (this.hiddenLegendIds.indexOf(targetIds[i]) < 0) {
+                this.hiddenLegendIds = this.hiddenLegendIds.concat(targetIds[i]);
+            }
+        }
+    };
+    c3_chart_internal_fn.removeHiddenLegendIds = function (targetIds) {
+        this.hiddenLegendIds = this.hiddenLegendIds.filter(function (id) {
+            return targetIds.indexOf(id) < 0;
+        });
+    };
+    c3_chart_internal_fn.getValuesAsIdKeyed = function (targets) {
+        var ys = {};
+        targets.forEach(function (t) {
+            ys[t.id] = [];
+            t.values.forEach(function (v) {
+                ys[t.id].push(v.value);
+            });
+        });
+        return ys;
+    };
+    c3_chart_internal_fn.checkValueInTargets = function (targets, checker) {
+        var ids = Object.keys(targets),
+            i,
+            j,
+            values;
+        for (i = 0; i < ids.length; i++) {
+            values = targets[ids[i]].values;
+            for (j = 0; j < values.length; j++) {
+                if (checker(values[j].value)) {
+                    return true;
+                }
+            }
+        }
+        return false;
+    };
+    c3_chart_internal_fn.hasNegativeValueInTargets = function (targets) {
+        return this.checkValueInTargets(targets, function (v) {
+            return v < 0;
+        });
+    };
+    c3_chart_internal_fn.hasPositiveValueInTargets = function (targets) {
+        return this.checkValueInTargets(targets, function (v) {
+            return v > 0;
+        });
+    };
+    c3_chart_internal_fn.isOrderDesc = function () {
+        var config = this.config;
+        return typeof config.data_order === 'string' && config.data_order.toLowerCase() === 'desc';
+    };
+    c3_chart_internal_fn.isOrderAsc = function () {
+        var config = this.config;
+        return typeof config.data_order === 'string' && config.data_order.toLowerCase() === 'asc';
+    };
+    c3_chart_internal_fn.getOrderFunction = function () {
+        var $$ = this,
+            config = $$.config,
+            orderAsc = $$.isOrderAsc(),
+            orderDesc = $$.isOrderDesc();
+        if (orderAsc || orderDesc) {
+            var reducer = function reducer(p, c) {
+                return p + Math.abs(c.value);
+            };
+            return function (t1, t2) {
+                var t1Sum = t1.values.reduce(reducer, 0),
+                    t2Sum = t2.values.reduce(reducer, 0);
+                return orderAsc ? t2Sum - t1Sum : t1Sum - t2Sum;
+            };
+        } else if (isFunction(config.data_order)) {
+            return config.data_order;
+        } else if (isArray(config.data_order)) {
+            var order = config.data_order;
+            return function (t1, t2) {
+                return order.indexOf(t1.id) - order.indexOf(t2.id);
+            };
+        }
+    };
+    c3_chart_internal_fn.orderTargets = function (targets) {
+        var fct = this.getOrderFunction();
+        if (fct) {
+            targets.sort(fct);
+        }
+        return targets;
+    };
+    c3_chart_internal_fn.filterByX = function (targets, x) {
+        return this.d3.merge(targets.map(function (t) {
+            return t.values;
+        })).filter(function (v) {
+            return v.x - x === 0;
+        });
+    };
+    c3_chart_internal_fn.filterRemoveNull = function (data) {
+        return data.filter(function (d) {
+            return isValue(d.value);
+        });
+    };
+    c3_chart_internal_fn.filterByXDomain = function (targets, xDomain) {
+        return targets.map(function (t) {
+            return {
+                id: t.id,
+                id_org: t.id_org,
+                values: t.values.filter(function (v) {
+                    return xDomain[0] <= v.x && v.x <= xDomain[1];
+                })
+            };
+        });
+    };
+    c3_chart_internal_fn.hasDataLabel = function () {
+        var config = this.config;
+        if (typeof config.data_labels === 'boolean' && config.data_labels) {
+            return true;
+        } else if (_typeof(config.data_labels) === 'object' && notEmpty(config.data_labels)) {
+            return true;
+        }
+        return false;
+    };
+    c3_chart_internal_fn.getDataLabelLength = function (min, max, key) {
+        var $$ = this,
+            lengths = [0, 0],
+            paddingCoef = 1.3;
+        $$.selectChart.select('svg').selectAll('.dummy').data([min, max]).enter().append('text').text(function (d) {
+            return $$.dataLabelFormat(d.id)(d);
+        }).each(function (d, i) {
+            lengths[i] = this.getBoundingClientRect()[key] * paddingCoef;
+        }).remove();
+        return lengths;
+    };
+    c3_chart_internal_fn.isNoneArc = function (d) {
+        return this.hasTarget(this.data.targets, d.id);
+    }, c3_chart_internal_fn.isArc = function (d) {
+        return 'data' in d && this.hasTarget(this.data.targets, d.data.id);
+    };
+    c3_chart_internal_fn.findClosestFromTargets = function (targets, pos) {
+        var $$ = this,
+            candidates;
+
+        // map to array of closest points of each target
+        candidates = targets.map(function (target) {
+            return $$.findClosest(target.values, pos);
+        });
+
+        // decide closest point and return
+        return $$.findClosest(candidates, pos);
+    };
+    c3_chart_internal_fn.findClosest = function (values, pos) {
+        var $$ = this,
+            minDist = $$.config.point_sensitivity,
+            closest;
+
+        // find mouseovering bar
+        values.filter(function (v) {
+            return v && $$.isBarType(v.id);
+        }).forEach(function (v) {
+            var shape = $$.main.select('.' + CLASS.bars + $$.getTargetSelectorSuffix(v.id) + ' .' + CLASS.bar + '-' + v.index).node();
+            if (!closest && $$.isWithinBar($$.d3.mouse(shape), shape)) {
+                closest = v;
+            }
+        });
+
+        // find closest point from non-bar
+        values.filter(function (v) {
+            return v && !$$.isBarType(v.id);
+        }).forEach(function (v) {
+            var d = $$.dist(v, pos);
+            if (d < minDist) {
+                minDist = d;
+                closest = v;
+            }
+        });
+
+        return closest;
+    };
+    c3_chart_internal_fn.dist = function (data, pos) {
+        var $$ = this,
+            config = $$.config,
+            xIndex = config.axis_rotated ? 1 : 0,
+            yIndex = config.axis_rotated ? 0 : 1,
+            y = $$.circleY(data, data.index),
+            x = $$.x(data.x);
+        return Math.sqrt(Math.pow(x - pos[xIndex], 2) + Math.pow(y - pos[yIndex], 2));
+    };
+    c3_chart_internal_fn.convertValuesToStep = function (values) {
+        var converted = [].concat(values),
+            i;
+
+        if (!this.isCategorized()) {
+            return values;
+        }
+
+        for (i = values.length + 1; 0 < i; i--) {
+            converted[i] = converted[i - 1];
+        }
+
+        converted[0] = {
+            x: converted[0].x - 1,
+            value: converted[0].value,
+            id: converted[0].id
+        };
+        converted[values.length + 1] = {
+            x: converted[values.length].x + 1,
+            value: converted[values.length].value,
+            id: converted[values.length].id
+        };
+
+        return converted;
+    };
+    c3_chart_internal_fn.updateDataAttributes = function (name, attrs) {
+        var $$ = this,
+            config = $$.config,
+            current = config['data_' + name];
+        if (typeof attrs === 'undefined') {
+            return current;
+        }
+        Object.keys(attrs).forEach(function (id) {
+            current[id] = attrs[id];
+        });
+        $$.redraw({ withLegend: true });
+        return current;
+    };
+
+    c3_chart_internal_fn.load = function (targets, args) {
+        var $$ = this;
+        if (targets) {
+            // filter loading targets if needed
+            if (args.filter) {
+                targets = targets.filter(args.filter);
+            }
+            // set type if args.types || args.type specified
+            if (args.type || args.types) {
+                targets.forEach(function (t) {
+                    var type = args.types && args.types[t.id] ? args.types[t.id] : args.type;
+                    $$.setTargetType(t.id, type);
+                });
+            }
+            // Update/Add data
+            $$.data.targets.forEach(function (d) {
+                for (var i = 0; i < targets.length; i++) {
+                    if (d.id === targets[i].id) {
+                        d.values = targets[i].values;
+                        targets.splice(i, 1);
+                        break;
+                    }
+                }
+            });
+            $$.data.targets = $$.data.targets.concat(targets); // add remained
+        }
+
+        // Set targets
+        $$.updateTargets($$.data.targets);
+
+        // Redraw with new targets
+        $$.redraw({ withUpdateOrgXDomain: true, withUpdateXDomain: true, withLegend: true });
+
+        if (args.done) {
+            args.done();
+        }
+    };
+    c3_chart_internal_fn.loadFromArgs = function (args) {
+        var $$ = this;
+        if (args.data) {
+            $$.load($$.convertDataToTargets(args.data), args);
+        } else if (args.url) {
+            $$.convertUrlToData(args.url, args.mimeType, args.headers, args.keys, function (data) {
+                $$.load($$.convertDataToTargets(data), args);
+            });
+        } else if (args.json) {
+            $$.load($$.convertDataToTargets($$.convertJsonToData(args.json, args.keys)), args);
+        } else if (args.rows) {
+            $$.load($$.convertDataToTargets($$.convertRowsToData(args.rows)), args);
+        } else if (args.columns) {
+            $$.load($$.convertDataToTargets($$.convertColumnsToData(args.columns)), args);
+        } else {
+            $$.load(null, args);
+        }
+    };
+    c3_chart_internal_fn.unload = function (targetIds, done) {
+        var $$ = this;
+        if (!done) {
+            done = function done() {};
+        }
+        // filter existing target
+        targetIds = targetIds.filter(function (id) {
+            return $$.hasTarget($$.data.targets, id);
+        });
+        // If no target, call done and return
+        if (!targetIds || targetIds.length === 0) {
+            done();
+            return;
+        }
+        $$.svg.selectAll(targetIds.map(function (id) {
+            return $$.selectorTarget(id);
+        })).transition().style('opacity', 0).remove().call($$.endall, done);
+        targetIds.forEach(function (id) {
+            // Reset fadein for future load
+            $$.withoutFadeIn[id] = false;
+            // Remove target's elements
+            if ($$.legend) {
+                $$.legend.selectAll('.' + CLASS.legendItem + $$.getTargetSelectorSuffix(id)).remove();
+            }
+            // Remove target
+            $$.data.targets = $$.data.targets.filter(function (t) {
+                return t.id !== id;
+            });
+        });
+    };
+
+    c3_chart_internal_fn.getYDomainMin = function (targets) {
+        var $$ = this,
+            config = $$.config,
+            ids = $$.mapToIds(targets),
+            ys = $$.getValuesAsIdKeyed(targets),
+            j,
+            k,
+            baseId,
+            idsInGroup,
+            id,
+            hasNegativeValue;
+        if (config.data_groups.length > 0) {
+            hasNegativeValue = $$.hasNegativeValueInTargets(targets);
+            for (j = 0; j < config.data_groups.length; j++) {
+                // Determine baseId
+                idsInGroup = config.data_groups[j].filter(function (id) {
+                    return ids.indexOf(id) >= 0;
+                });
+                if (idsInGroup.length === 0) {
+                    continue;
+                }
+                baseId = idsInGroup[0];
+                // Consider negative values
+                if (hasNegativeValue && ys[baseId]) {
+                    ys[baseId].forEach(function (v, i) {
+                        ys[baseId][i] = v < 0 ? v : 0;
+                    });
+                }
+                // Compute min
+                for (k = 1; k < idsInGroup.length; k++) {
+                    id = idsInGroup[k];
+                    if (!ys[id]) {
+                        continue;
+                    }
+                    ys[id].forEach(function (v, i) {
+                        if ($$.axis.getId(id) === $$.axis.getId(baseId) && ys[baseId] && !(hasNegativeValue && +v > 0)) {
+                            ys[baseId][i] += +v;
+                        }
+                    });
+                }
+            }
+        }
+        return $$.d3.min(Object.keys(ys).map(function (key) {
+            return $$.d3.min(ys[key]);
+        }));
+    };
+    c3_chart_internal_fn.getYDomainMax = function (targets) {
+        var $$ = this,
+            config = $$.config,
+            ids = $$.mapToIds(targets),
+            ys = $$.getValuesAsIdKeyed(targets),
+            j,
+            k,
+            baseId,
+            idsInGroup,
+            id,
+            hasPositiveValue;
+        if (config.data_groups.length > 0) {
+            hasPositiveValue = $$.hasPositiveValueInTargets(targets);
+            for (j = 0; j < config.data_groups.length; j++) {
+                // Determine baseId
+                idsInGroup = config.data_groups[j].filter(function (id) {
+                    return ids.indexOf(id) >= 0;
+                });
+                if (idsInGroup.length === 0) {
+                    continue;
+                }
+                baseId = idsInGroup[0];
+                // Consider positive values
+                if (hasPositiveValue && ys[baseId]) {
+                    ys[baseId].forEach(function (v, i) {
+                        ys[baseId][i] = v > 0 ? v : 0;
+                    });
+                }
+                // Compute max
+                for (k = 1; k < idsInGroup.length; k++) {
+                    id = idsInGroup[k];
+                    if (!ys[id]) {
+                        continue;
+                    }
+                    ys[id].forEach(function (v, i) {
+                        if ($$.axis.getId(id) === $$.axis.getId(baseId) && ys[baseId] && !(hasPositiveValue && +v < 0)) {
+                            ys[baseId][i] += +v;
+                        }
+                    });
+                }
+            }
+        }
+        return $$.d3.max(Object.keys(ys).map(function (key) {
+            return $$.d3.max(ys[key]);
+        }));
+    };
+    c3_chart_internal_fn.getYDomain = function (targets, axisId, xDomain) {
+        var $$ = this,
+            config = $$.config,
+            targetsByAxisId = targets.filter(function (t) {
+            return $$.axis.getId(t.id) === axisId;
+        }),
+            yTargets = xDomain ? $$.filterByXDomain(targetsByAxisId, xDomain) : targetsByAxisId,
+            yMin = axisId === 'y2' ? config.axis_y2_min : config.axis_y_min,
+            yMax = axisId === 'y2' ? config.axis_y2_max : config.axis_y_max,
+            yDomainMin = $$.getYDomainMin(yTargets),
+            yDomainMax = $$.getYDomainMax(yTargets),
+            domain,
+            domainLength,
+            padding,
+            padding_top,
+            padding_bottom,
+            center = axisId === 'y2' ? config.axis_y2_center : config.axis_y_center,
+            yDomainAbs,
+            lengths,
+            diff,
+            ratio,
+            isAllPositive,
+            isAllNegative,
+            isZeroBased = $$.hasType('bar', yTargets) && config.bar_zerobased || $$.hasType('area', yTargets) && config.area_zerobased,
+            isInverted = axisId === 'y2' ? config.axis_y2_inverted : config.axis_y_inverted,
+            showHorizontalDataLabel = $$.hasDataLabel() && config.axis_rotated,
+            showVerticalDataLabel = $$.hasDataLabel() && !config.axis_rotated;
+
+        // MEMO: avoid inverting domain unexpectedly
+        yDomainMin = isValue(yMin) ? yMin : isValue(yMax) ? yDomainMin < yMax ? yDomainMin : yMax - 10 : yDomainMin;
+        yDomainMax = isValue(yMax) ? yMax : isValue(yMin) ? yMin < yDomainMax ? yDomainMax : yMin + 10 : yDomainMax;
+
+        if (yTargets.length === 0) {
+            // use current domain if target of axisId is none
+            return axisId === 'y2' ? $$.y2.domain() : $$.y.domain();
+        }
+        if (isNaN(yDomainMin)) {
+            // set minimum to zero when not number
+            yDomainMin = 0;
+        }
+        if (isNaN(yDomainMax)) {
+            // set maximum to have same value as yDomainMin
+            yDomainMax = yDomainMin;
+        }
+        if (yDomainMin === yDomainMax) {
+            yDomainMin < 0 ? yDomainMax = 0 : yDomainMin = 0;
+        }
+        isAllPositive = yDomainMin >= 0 && yDomainMax >= 0;
+        isAllNegative = yDomainMin <= 0 && yDomainMax <= 0;
+
+        // Cancel zerobased if axis_*_min / axis_*_max specified
+        if (isValue(yMin) && isAllPositive || isValue(yMax) && isAllNegative) {
+            isZeroBased = false;
+        }
+
+        // Bar/Area chart should be 0-based if all positive|negative
+        if (isZeroBased) {
+            if (isAllPositive) {
+                yDomainMin = 0;
+            }
+            if (isAllNegative) {
+                yDomainMax = 0;
+            }
+        }
+
+        domainLength = Math.abs(yDomainMax - yDomainMin);
+        padding = padding_top = padding_bottom = domainLength * 0.1;
+
+        if (typeof center !== 'undefined') {
+            yDomainAbs = Math.max(Math.abs(yDomainMin), Math.abs(yDomainMax));
+            yDomainMax = center + yDomainAbs;
+            yDomainMin = center - yDomainAbs;
+        }
+        // add padding for data label
+        if (showHorizontalDataLabel) {
+            lengths = $$.getDataLabelLength(yDomainMin, yDomainMax, 'width');
+            diff = diffDomain($$.y.range());
+            ratio = [lengths[0] / diff, lengths[1] / diff];
+            padding_top += domainLength * (ratio[1] / (1 - ratio[0] - ratio[1]));
+            padding_bottom += domainLength * (ratio[0] / (1 - ratio[0] - ratio[1]));
+        } else if (showVerticalDataLabel) {
+            lengths = $$.getDataLabelLength(yDomainMin, yDomainMax, 'height');
+            padding_top += $$.axis.convertPixelsToAxisPadding(lengths[1], domainLength);
+            padding_bottom += $$.axis.convertPixelsToAxisPadding(lengths[0], domainLength);
+        }
+        if (axisId === 'y' && notEmpty(config.axis_y_padding)) {
+            padding_top = $$.axis.getPadding(config.axis_y_padding, 'top', padding_top, domainLength);
+            padding_bottom = $$.axis.getPadding(config.axis_y_padding, 'bottom', padding_bottom, domainLength);
+        }
+        if (axisId === 'y2' && notEmpty(config.axis_y2_padding)) {
+            padding_top = $$.axis.getPadding(config.axis_y2_padding, 'top', padding_top, domainLength);
+            padding_bottom = $$.axis.getPadding(config.axis_y2_padding, 'bottom', padding_bottom, domainLength);
+        }
+        // Bar/Area chart should be 0-based if all positive|negative
+        if (isZeroBased) {
+            if (isAllPositive) {
+                padding_bottom = yDomainMin;
+            }
+            if (isAllNegative) {
+                padding_top = -yDomainMax;
+            }
+        }
+        domain = [yDomainMin - padding_bottom, yDomainMax + padding_top];
+        return isInverted ? domain.reverse() : domain;
+    };
+    c3_chart_internal_fn.getXDomainMin = function (targets) {
+        var $$ = this,
+            config = $$.config;
+        return isDefined(config.axis_x_min) ? $$.isTimeSeries() ? this.parseDate(config.axis_x_min) : config.axis_x_min : $$.d3.min(targets, function (t) {
+            return $$.d3.min(t.values, function (v) {
+                return v.x;
+            });
+        });
+    };
+    c3_chart_internal_fn.getXDomainMax = function (targets) {
+        var $$ = this,
+            config = $$.config;
+        return isDefined(config.axis_x_max) ? $$.isTimeSeries() ? this.parseDate(config.axis_x_max) : config.axis_x_max : $$.d3.max(targets, function (t) {
+            return $$.d3.max(t.values, function (v) {
+                return v.x;
+            });
+        });
+    };
+    c3_chart_internal_fn.getXDomainPadding = function (domain) {
+        var $$ = this,
+            config = $$.config,
+            diff = domain[1] - domain[0],
+            maxDataCount,
+            padding,
+            paddingLeft,
+            paddingRight;
+        if ($$.isCategorized()) {
+            padding = 0;
+        } else if ($$.hasType('bar')) {
+            maxDataCount = $$.getMaxDataCount();
+            padding = maxDataCount > 1 ? diff / (maxDataCount - 1) / 2 : 0.5;
+        } else {
+            padding = diff * 0.01;
+        }
+        if (_typeof(config.axis_x_padding) === 'object' && notEmpty(config.axis_x_padding)) {
+            paddingLeft = isValue(config.axis_x_padding.left) ? config.axis_x_padding.left : padding;
+            paddingRight = isValue(config.axis_x_padding.right) ? config.axis_x_padding.right : padding;
+        } else if (typeof config.axis_x_padding === 'number') {
+            paddingLeft = paddingRight = config.axis_x_padding;
+        } else {
+            paddingLeft = paddingRight = padding;
+        }
+        return { left: paddingLeft, right: paddingRight };
+    };
+    c3_chart_internal_fn.getXDomain = function (targets) {
+        var $$ = this,
+            xDomain = [$$.getXDomainMin(targets), $$.getXDomainMax(targets)],
+            firstX = xDomain[0],
+            lastX = xDomain[1],
+            padding = $$.getXDomainPadding(xDomain),
+            min = 0,
+            max = 0;
+        // show center of x domain if min and max are the same
+        if (firstX - lastX === 0 && !$$.isCategorized()) {
+            if ($$.isTimeSeries()) {
+                firstX = new Date(firstX.getTime() * 0.5);
+                lastX = new Date(lastX.getTime() * 1.5);
+            } else {
+                firstX = firstX === 0 ? 1 : firstX * 0.5;
+                lastX = lastX === 0 ? -1 : lastX * 1.5;
+            }
+        }
+        if (firstX || firstX === 0) {
+            min = $$.isTimeSeries() ? new Date(firstX.getTime() - padding.left) : firstX - padding.left;
+        }
+        if (lastX || lastX === 0) {
+            max = $$.isTimeSeries() ? new Date(lastX.getTime() + padding.right) : lastX + padding.right;
+        }
+        return [min, max];
+    };
+    c3_chart_internal_fn.updateXDomain = function (targets, withUpdateXDomain, withUpdateOrgXDomain, withTrim, domain) {
+        var $$ = this,
+            config = $$.config;
+
+        if (withUpdateOrgXDomain) {
+            $$.x.domain(domain ? domain : $$.d3.extent($$.getXDomain(targets)));
+            $$.orgXDomain = $$.x.domain();
+            if (config.zoom_enabled) {
+                $$.zoom.update();
+            }
+            $$.subX.domain($$.x.domain());
+            if ($$.brush) {
+                $$.brush.updateScale($$.subX);
+            }
+        }
+        if (withUpdateXDomain) {
+            $$.x.domain(domain ? domain : !$$.brush || $$.brush.empty() ? $$.orgXDomain : $$.brush.selectionAsValue());
+        }
+
+        // Trim domain when too big by zoom mousemove event
+        if (withTrim) {
+            $$.x.domain($$.trimXDomain($$.x.orgDomain()));
+        }
+
+        return $$.x.domain();
+    };
+    c3_chart_internal_fn.trimXDomain = function (domain) {
+        var zoomDomain = this.getZoomDomain(),
+            min = zoomDomain[0],
+            max = zoomDomain[1];
+        if (domain[0] <= min) {
+            domain[1] = +domain[1] + (min - domain[0]);
+            domain[0] = min;
+        }
+        if (max <= domain[1]) {
+            domain[0] = +domain[0] - (domain[1] - max);
+            domain[1] = max;
+        }
+        return domain;
+    };
+
+    c3_chart_internal_fn.drag = function (mouse) {
+        var $$ = this,
+            config = $$.config,
+            main = $$.main,
+            d3 = $$.d3;
+        var sx, sy, mx, my, minX, maxX, minY, maxY;
+
+        if ($$.hasArcType()) {
+            return;
+        }
+        if (!config.data_selection_enabled) {
+            return;
+        } // do nothing if not selectable
+        if (!config.data_selection_multiple) {
+            return;
+        } // skip when single selection because drag is used for multiple selection
+
+        sx = $$.dragStart[0];
+        sy = $$.dragStart[1];
+        mx = mouse[0];
+        my = mouse[1];
+        minX = Math.min(sx, mx);
+        maxX = Math.max(sx, mx);
+        minY = config.data_selection_grouped ? $$.margin.top : Math.min(sy, my);
+        maxY = config.data_selection_grouped ? $$.height : Math.max(sy, my);
+
+        main.select('.' + CLASS.dragarea).attr('x', minX).attr('y', minY).attr('width', maxX - minX).attr('height', maxY - minY);
+        // TODO: binary search when multiple xs
+        main.selectAll('.' + CLASS.shapes).selectAll('.' + CLASS.shape).filter(function (d) {
+            return config.data_selection_isselectable(d);
+        }).each(function (d, i) {
+            var shape = d3.select(this),
+                isSelected = shape.classed(CLASS.SELECTED),
+                isIncluded = shape.classed(CLASS.INCLUDED),
+                _x,
+                _y,
+                _w,
+                _h,
+                toggle,
+                isWithin = false,
+                box;
+            if (shape.classed(CLASS.circle)) {
+                _x = shape.attr("cx") * 1;
+                _y = shape.attr("cy") * 1;
+                toggle = $$.togglePoint;
+                isWithin = minX < _x && _x < maxX && minY < _y && _y < maxY;
+            } else if (shape.classed(CLASS.bar)) {
+                box = getPathBox(this);
+                _x = box.x;
+                _y = box.y;
+                _w = box.width;
+                _h = box.height;
+                toggle = $$.togglePath;
+                isWithin = !(maxX < _x || _x + _w < minX) && !(maxY < _y || _y + _h < minY);
+            } else {
+                // line/area selection not supported yet
+                return;
+            }
+            if (isWithin ^ isIncluded) {
+                shape.classed(CLASS.INCLUDED, !isIncluded);
+                // TODO: included/unincluded callback here
+                shape.classed(CLASS.SELECTED, !isSelected);
+                toggle.call($$, !isSelected, shape, d, i);
+            }
+        });
+    };
+
+    c3_chart_internal_fn.dragstart = function (mouse) {
+        var $$ = this,
+            config = $$.config;
+        if ($$.hasArcType()) {
+            return;
+        }
+        if (!config.data_selection_enabled) {
+            return;
+        } // do nothing if not selectable
+        $$.dragStart = mouse;
+        $$.main.select('.' + CLASS.chart).append('rect').attr('class', CLASS.dragarea).style('opacity', 0.1);
+        $$.dragging = true;
+    };
+
+    c3_chart_internal_fn.dragend = function () {
+        var $$ = this,
+            config = $$.config;
+        if ($$.hasArcType()) {
+            return;
+        }
+        if (!config.data_selection_enabled) {
+            return;
+        } // do nothing if not selectable
+        $$.main.select('.' + CLASS.dragarea).transition().duration(100).style('opacity', 0).remove();
+        $$.main.selectAll('.' + CLASS.shape).classed(CLASS.INCLUDED, false);
+        $$.dragging = false;
+    };
+
+    c3_chart_internal_fn.getYFormat = function (forArc) {
+        var $$ = this,
+            formatForY = forArc && !$$.hasType('gauge') ? $$.defaultArcValueFormat : $$.yFormat,
+            formatForY2 = forArc && !$$.hasType('gauge') ? $$.defaultArcValueFormat : $$.y2Format;
+        return function (v, ratio, id) {
+            var format = $$.axis.getId(id) === 'y2' ? formatForY2 : formatForY;
+            return format.call($$, v, ratio);
+        };
+    };
+    c3_chart_internal_fn.yFormat = function (v) {
+        var $$ = this,
+            config = $$.config,
+            format = config.axis_y_tick_format ? config.axis_y_tick_format : $$.defaultValueFormat;
+        return format(v);
+    };
+    c3_chart_internal_fn.y2Format = function (v) {
+        var $$ = this,
+            config = $$.config,
+            format = config.axis_y2_tick_format ? config.axis_y2_tick_format : $$.defaultValueFormat;
+        return format(v);
+    };
+    c3_chart_internal_fn.defaultValueFormat = function (v) {
+        return isValue(v) ? +v : "";
+    };
+    c3_chart_internal_fn.defaultArcValueFormat = function (v, ratio) {
+        return (ratio * 100).toFixed(1) + '%';
+    };
+    c3_chart_internal_fn.dataLabelFormat = function (targetId) {
+        var $$ = this,
+            data_labels = $$.config.data_labels,
+            format,
+            defaultFormat = function defaultFormat(v) {
+            return isValue(v) ? +v : "";
+        };
+        // find format according to axis id
+        if (typeof data_labels.format === 'function') {
+            format = data_labels.format;
+        } else if (_typeof(data_labels.format) === 'object') {
+            if (data_labels.format[targetId]) {
+                format = data_labels.format[targetId] === true ? defaultFormat : data_labels.format[targetId];
+            } else {
+                format = function format() {
+                    return '';
+                };
+            }
+        } else {
+            format = defaultFormat;
+        }
+        return format;
+    };
+
+    c3_chart_internal_fn.initGrid = function () {
+        var $$ = this,
+            config = $$.config,
+            d3 = $$.d3;
+        $$.grid = $$.main.append('g').attr("clip-path", $$.clipPathForGrid).attr('class', CLASS.grid);
+        if (config.grid_x_show) {
+            $$.grid.append("g").attr("class", CLASS.xgrids);
+        }
+        if (config.grid_y_show) {
+            $$.grid.append('g').attr('class', CLASS.ygrids);
+        }
+        if (config.grid_focus_show) {
+            $$.grid.append('g').attr("class", CLASS.xgridFocus).append('line').attr('class', CLASS.xgridFocus);
+        }
+        $$.xgrid = d3.selectAll([]);
+        if (!config.grid_lines_front) {
+            $$.initGridLines();
+        }
+    };
+    c3_chart_internal_fn.initGridLines = function () {
+        var $$ = this,
+            d3 = $$.d3;
+        $$.gridLines = $$.main.append('g').attr("clip-path", $$.clipPathForGrid).attr('class', CLASS.grid + ' ' + CLASS.gridLines);
+        $$.gridLines.append('g').attr("class", CLASS.xgridLines);
+        $$.gridLines.append('g').attr('class', CLASS.ygridLines);
+        $$.xgridLines = d3.selectAll([]);
+    };
+    c3_chart_internal_fn.updateXGrid = function (withoutUpdate) {
+        var $$ = this,
+            config = $$.config,
+            d3 = $$.d3,
+            xgridData = $$.generateGridData(config.grid_x_type, $$.x),
+            tickOffset = $$.isCategorized() ? $$.xAxis.tickOffset() : 0;
+
+        $$.xgridAttr = config.axis_rotated ? {
+            'x1': 0,
+            'x2': $$.width,
+            'y1': function y1(d) {
+                return $$.x(d) - tickOffset;
+            },
+            'y2': function y2(d) {
+                return $$.x(d) - tickOffset;
+            }
+        } : {
+            'x1': function x1(d) {
+                return $$.x(d) + tickOffset;
+            },
+            'x2': function x2(d) {
+                return $$.x(d) + tickOffset;
+            },
+            'y1': 0,
+            'y2': $$.height
+        };
+        $$.xgridAttr.opacity = function () {
+            var pos = +d3.select(this).attr(config.axis_rotated ? 'y1' : 'x1');
+            return pos === (config.axis_rotated ? $$.height : 0) ? 0 : 1;
+        };
+
+        var xgrid = $$.main.select('.' + CLASS.xgrids).selectAll('.' + CLASS.xgrid).data(xgridData);
+        var xgridEnter = xgrid.enter().append('line').attr("class", CLASS.xgrid).attr('x1', $$.xgridAttr.x1).attr('x2', $$.xgridAttr.x2).attr('y1', $$.xgridAttr.y1).attr('y2', $$.xgridAttr.y2).style("opacity", 0);
+        $$.xgrid = xgridEnter.merge(xgrid);
+        if (!withoutUpdate) {
+            $$.xgrid.attr('x1', $$.xgridAttr.x1).attr('x2', $$.xgridAttr.x2).attr('y1', $$.xgridAttr.y1).attr('y2', $$.xgridAttr.y2).style("opacity", $$.xgridAttr.opacity);
+        }
+        xgrid.exit().remove();
+    };
+
+    c3_chart_internal_fn.updateYGrid = function () {
+        var $$ = this,
+            config = $$.config,
+            gridValues = $$.yAxis.tickValues() || $$.y.ticks(config.grid_y_ticks);
+        var ygrid = $$.main.select('.' + CLASS.ygrids).selectAll('.' + CLASS.ygrid).data(gridValues);
+        var ygridEnter = ygrid.enter().append('line')
+        // TODO: x1, x2, y1, y2, opacity need to be set here maybe
+        .attr('class', CLASS.ygrid);
+        $$.ygrid = ygridEnter.merge(ygrid);
+        $$.ygrid.attr("x1", config.axis_rotated ? $$.y : 0).attr("x2", config.axis_rotated ? $$.y : $$.width).attr("y1", config.axis_rotated ? 0 : $$.y).attr("y2", config.axis_rotated ? $$.height : $$.y);
+        ygrid.exit().remove();
+        $$.smoothLines($$.ygrid, 'grid');
+    };
+
+    c3_chart_internal_fn.gridTextAnchor = function (d) {
+        return d.position ? d.position : "end";
+    };
+    c3_chart_internal_fn.gridTextDx = function (d) {
+        return d.position === 'start' ? 4 : d.position === 'middle' ? 0 : -4;
+    };
+    c3_chart_internal_fn.xGridTextX = function (d) {
+        return d.position === 'start' ? -this.height : d.position === 'middle' ? -this.height / 2 : 0;
+    };
+    c3_chart_internal_fn.yGridTextX = function (d) {
+        return d.position === 'start' ? 0 : d.position === 'middle' ? this.width / 2 : this.width;
+    };
+    c3_chart_internal_fn.updateGrid = function (duration) {
+        var $$ = this,
+            main = $$.main,
+            config = $$.config,
+            xgridLine,
+            xgridLineEnter,
+            ygridLine,
+            ygridLineEnter,
+            xv = $$.xv.bind($$),
+            yv = $$.yv.bind($$),
+            xGridTextX = $$.xGridTextX.bind($$),
+            yGridTextX = $$.yGridTextX.bind($$);
+
+        // hide if arc type
+        $$.grid.style('visibility', $$.hasArcType() ? 'hidden' : 'visible');
+
+        main.select('line.' + CLASS.xgridFocus).style("visibility", "hidden");
+        if (config.grid_x_show) {
+            $$.updateXGrid();
+        }
+        xgridLine = main.select('.' + CLASS.xgridLines).selectAll('.' + CLASS.xgridLine).data(config.grid_x_lines);
+        // enter
+        xgridLineEnter = xgridLine.enter().append('g').attr("class", function (d) {
+            return CLASS.xgridLine + (d['class'] ? ' ' + d['class'] : '');
+        });
+        xgridLineEnter.append('line').attr("x1", config.axis_rotated ? 0 : xv).attr("x2", config.axis_rotated ? $$.width : xv).attr("y1", config.axis_rotated ? xv : 0).attr("y2", config.axis_rotated ? xv : $$.height).style("opacity", 0);
+        xgridLineEnter.append('text').attr("text-anchor", $$.gridTextAnchor).attr("transform", config.axis_rotated ? "" : "rotate(-90)").attr("x", config.axis_rotated ? yGridTextX : xGridTextX).attr("y", xv).attr('dx', $$.gridTextDx).attr('dy', -5).style("opacity", 0);
+        // udpate
+        $$.xgridLines = xgridLineEnter.merge(xgridLine);
+        // done in d3.transition() of the end of this function
+        // exit
+        xgridLine.exit().transition().duration(duration).style("opacity", 0).remove();
+
+        // Y-Grid
+        if (config.grid_y_show) {
+            $$.updateYGrid();
+        }
+        ygridLine = main.select('.' + CLASS.ygridLines).selectAll('.' + CLASS.ygridLine).data(config.grid_y_lines);
+        // enter
+        ygridLineEnter = ygridLine.enter().append('g').attr("class", function (d) {
+            return CLASS.ygridLine + (d['class'] ? ' ' + d['class'] : '');
+        });
+        ygridLineEnter.append('line').attr("x1", config.axis_rotated ? yv : 0).attr("x2", config.axis_rotated ? yv : $$.width).attr("y1", config.axis_rotated ? 0 : yv).attr("y2", config.axis_rotated ? $$.height : yv).style("opacity", 0);
+        ygridLineEnter.append('text').attr("text-anchor", $$.gridTextAnchor).attr("transform", config.axis_rotated ? "rotate(-90)" : "").attr("x", config.axis_rotated ? xGridTextX : yGridTextX).attr("y", yv).attr('dx', $$.gridTextDx).attr('dy', -5).style("opacity", 0);
+        // update
+        $$.ygridLines = ygridLineEnter.merge(ygridLine);
+        $$.ygridLines.select('line').transition().duration(duration).attr("x1", config.axis_rotated ? yv : 0).attr("x2", config.axis_rotated ? yv : $$.width).attr("y1", config.axis_rotated ? 0 : yv).attr("y2", config.axis_rotated ? $$.height : yv).style("opacity", 1);
+        $$.ygridLines.select('text').transition().duration(duration).attr("x", config.axis_rotated ? $$.xGridTextX.bind($$) : $$.yGridTextX.bind($$)).attr("y", yv).text(function (d) {
+            return d.text;
+        }).style("opacity", 1);
+        // exit
+        ygridLine.exit().transition().duration(duration).style("opacity", 0).remove();
+    };
+    c3_chart_internal_fn.redrawGrid = function (withTransition, transition) {
+        var $$ = this,
+            config = $$.config,
+            xv = $$.xv.bind($$),
+            lines = $$.xgridLines.select('line'),
+            texts = $$.xgridLines.select('text');
+        return [(withTransition ? lines.transition(transition) : lines).attr("x1", config.axis_rotated ? 0 : xv).attr("x2", config.axis_rotated ? $$.width : xv).attr("y1", config.axis_rotated ? xv : 0).attr("y2", config.axis_rotated ? xv : $$.height).style("opacity", 1), (withTransition ? texts.transition(transition) : texts).attr("x", config.axis_rotated ? $$.yGridTextX.bind($$) : $$.xGridTextX.bind($$)).attr("y", xv).text(function (d) {
+            return d.text;
+        }).style("opacity", 1)];
+    };
+    c3_chart_internal_fn.showXGridFocus = function (selectedData) {
+        var $$ = this,
+            config = $$.config,
+            dataToShow = selectedData.filter(function (d) {
+            return d && isValue(d.value);
+        }),
+            focusEl = $$.main.selectAll('line.' + CLASS.xgridFocus),
+            xx = $$.xx.bind($$);
+        if (!config.tooltip_show) {
+            return;
+        }
+        // Hide when scatter plot exists
+        if ($$.hasType('scatter') || $$.hasArcType()) {
+            return;
+        }
+        focusEl.style("visibility", "visible").data([dataToShow[0]]).attr(config.axis_rotated ? 'y1' : 'x1', xx).attr(config.axis_rotated ? 'y2' : 'x2', xx);
+        $$.smoothLines(focusEl, 'grid');
+    };
+    c3_chart_internal_fn.hideXGridFocus = function () {
+        this.main.select('line.' + CLASS.xgridFocus).style("visibility", "hidden");
+    };
+    c3_chart_internal_fn.updateXgridFocus = function () {
+        var $$ = this,
+            config = $$.config;
+        $$.main.select('line.' + CLASS.xgridFocus).attr("x1", config.axis_rotated ? 0 : -10).attr("x2", config.axis_rotated ? $$.width : -10).attr("y1", config.axis_rotated ? -10 : 0).attr("y2", config.axis_rotated ? -10 : $$.height);
+    };
+    c3_chart_internal_fn.generateGridData = function (type, scale) {
+        var $$ = this,
+            gridData = [],
+            xDomain,
+            firstYear,
+            lastYear,
+            i,
+            tickNum = $$.main.select("." + CLASS.axisX).selectAll('.tick').size();
+        if (type === 'year') {
+            xDomain = $$.getXDomain();
+            firstYear = xDomain[0].getFullYear();
+            lastYear = xDomain[1].getFullYear();
+            for (i = firstYear; i <= lastYear; i++) {
+                gridData.push(new Date(i + '-01-01 00:00:00'));
+            }
+        } else {
+            gridData = scale.ticks(10);
+            if (gridData.length > tickNum) {
+                // use only int
+                gridData = gridData.filter(function (d) {
+                    return ("" + d).indexOf('.') < 0;
+                });
+            }
+        }
+        return gridData;
+    };
+    c3_chart_internal_fn.getGridFilterToRemove = function (params) {
+        return params ? function (line) {
+            var found = false;
+            [].concat(params).forEach(function (param) {
+                if ('value' in param && line.value === param.value || 'class' in param && line['class'] === param['class']) {
+                    found = true;
+                }
+            });
+            return found;
+        } : function () {
+            return true;
+        };
+    };
+    c3_chart_internal_fn.removeGridLines = function (params, forX) {
+        var $$ = this,
+            config = $$.config,
+            toRemove = $$.getGridFilterToRemove(params),
+            toShow = function toShow(line) {
+            return !toRemove(line);
+        },
+            classLines = forX ? CLASS.xgridLines : CLASS.ygridLines,
+            classLine = forX ? CLASS.xgridLine : CLASS.ygridLine;
+        $$.main.select('.' + classLines).selectAll('.' + classLine).filter(toRemove).transition().duration(config.transition_duration).style('opacity', 0).remove();
+        if (forX) {
+            config.grid_x_lines = config.grid_x_lines.filter(toShow);
+        } else {
+            config.grid_y_lines = config.grid_y_lines.filter(toShow);
+        }
+    };
+
+    c3_chart_internal_fn.initEventRect = function () {
+        var $$ = this,
+            config = $$.config;
+
+        $$.main.select('.' + CLASS.chart).append("g").attr("class", CLASS.eventRects).style('fill-opacity', 0);
+        $$.eventRect = $$.main.select('.' + CLASS.eventRects).append('rect').attr('class', CLASS.eventRect);
+
+        // event rect handle zoom event as well
+        if (config.zoom_enabled && $$.zoom) {
+            $$.eventRect.call($$.zoom).on("dblclick.zoom", null);
+            if (config.zoom_initialRange) {
+                // WORKAROUND: Add transition to apply transform immediately when no subchart
+                $$.eventRect.transition().duration(0).call($$.zoom.transform, $$.zoomTransform(config.zoom_initialRange));
+            }
+        }
+    };
+    c3_chart_internal_fn.redrawEventRect = function () {
+        var $$ = this,
+            d3 = $$.d3,
+            config = $$.config,
+            x,
+            y,
+            w,
+            h;
+
+        // TODO: rotated not supported yet
+        x = 0;
+        y = 0;
+        w = $$.width;
+        h = $$.height;
+
+        function mouseout() {
+            $$.svg.select('.' + CLASS.eventRect).style('cursor', null);
+            $$.hideXGridFocus();
+            $$.hideTooltip();
+            $$.unexpandCircles();
+            $$.unexpandBars();
+        }
+
+        // rects for mouseover
+        $$.main.select('.' + CLASS.eventRects).style('cursor', config.zoom_enabled ? config.axis_rotated ? 'ns-resize' : 'ew-resize' : null);
+
+        $$.eventRect.attr('x', x).attr('y', y).attr('width', w).attr('height', h).on('mouseout', config.interaction_enabled ? function () {
+            if (!config) {
+                return;
+            } // chart is destroyed
+            if ($$.hasArcType()) {
+                return;
+            }
+            mouseout();
+        } : null).on('mousemove', config.interaction_enabled ? function () {
+            var targetsToShow, mouse, closest, sameXData, selectedData;
+
+            if ($$.dragging) {
+                return;
+            } // do nothing when dragging
+            if ($$.hasArcType(targetsToShow)) {
+                return;
+            }
+
+            targetsToShow = $$.filterTargetsToShow($$.data.targets);
+            mouse = d3.mouse(this);
+            closest = $$.findClosestFromTargets(targetsToShow, mouse);
+
+            if ($$.mouseover && (!closest || closest.id !== $$.mouseover.id)) {
+                config.data_onmouseout.call($$.api, $$.mouseover);
+                $$.mouseover = undefined;
+            }
+
+            if (!closest) {
+                mouseout();
+                return;
+            }
+
+            if ($$.isScatterType(closest) || !config.tooltip_grouped) {
+                sameXData = [closest];
+            } else {
+                sameXData = $$.filterByX(targetsToShow, closest.x);
+            }
+
+            // show tooltip when cursor is close to some point
+            selectedData = sameXData.map(function (d) {
+                return $$.addName(d);
+            });
+            $$.showTooltip(selectedData, this);
+
+            // expand points
+            if (config.point_focus_expand_enabled) {
+                $$.unexpandCircles();
+                selectedData.forEach(function (d) {
+                    $$.expandCircles(d.index, d.id, false);
+                });
+            }
+            $$.expandBars(closest.index, closest.id, true);
+
+            // Show xgrid focus line
+            $$.showXGridFocus(selectedData);
+
+            // Show cursor as pointer if point is close to mouse position
+            if ($$.isBarType(closest.id) || $$.dist(closest, mouse) < config.point_sensitivity) {
+                $$.svg.select('.' + CLASS.eventRect).style('cursor', 'pointer');
+                if (!$$.mouseover) {
+                    config.data_onmouseover.call($$.api, closest);
+                    $$.mouseover = closest;
+                }
+            }
+        } : null).on('click', config.interaction_enabled ? function () {
+            var targetsToShow, mouse, closest, sameXData;
+            if ($$.hasArcType(targetsToShow)) {
+                return;
+            }
+
+            targetsToShow = $$.filterTargetsToShow($$.data.targets);
+            mouse = d3.mouse(this);
+            closest = $$.findClosestFromTargets(targetsToShow, mouse);
+            if (!closest) {
+                return;
+            }
+            // select if selection enabled
+            if ($$.isBarType(closest.id) || $$.dist(closest, mouse) < config.point_sensitivity) {
+                if ($$.isScatterType(closest) || !config.data_selection_grouped) {
+                    sameXData = [closest];
+                } else {
+                    sameXData = $$.filterByX(targetsToShow, closest.x);
+                }
+                sameXData.forEach(function (d) {
+                    $$.main.selectAll('.' + CLASS.shapes + $$.getTargetSelectorSuffix(d.id)).selectAll('.' + CLASS.shape + '-' + d.index).each(function () {
+                        if (config.data_selection_grouped || $$.isWithinShape(this, d)) {
+                            $$.toggleShape(this, d, d.index);
+                            config.data_onclick.call($$.api, d, this);
+                        }
+                    });
+                });
+            }
+        } : null).call(config.interaction_enabled && config.data_selection_draggable && $$.drag ? d3.drag().on('drag', function () {
+            $$.drag(d3.mouse(this));
+        }).on('start', function () {
+            $$.dragstart(d3.mouse(this));
+        }).on('end', function () {
+            $$.dragend();
+        }) : function () {});
+    };
+    c3_chart_internal_fn.getMousePosition = function (data) {
+        var $$ = this;
+        return [$$.x(data.x), $$.getYScale(data.id)(data.value)];
+    };
+    c3_chart_internal_fn.dispatchEvent = function (type, mouse) {
+        var $$ = this,
+            selector = '.' + CLASS.eventRect,
+            eventRect = $$.main.select(selector).node(),
+            box = eventRect.getBoundingClientRect(),
+            x = box.left + (mouse ? mouse[0] : 0),
+            y = box.top + (mouse ? mouse[1] : 0),
+            event = document.createEvent("MouseEvents");
+
+        event.initMouseEvent(type, true, true, window, 0, x, y, x, y, false, false, false, false, 0, null);
+        eventRect.dispatchEvent(event);
+    };
+
+    c3_chart_internal_fn.initLegend = function () {
+        var $$ = this;
+        $$.legendItemTextBox = {};
+        $$.legendHasRendered = false;
+        $$.legend = $$.svg.append("g").attr("transform", $$.getTranslate('legend'));
+        if (!$$.config.legend_show) {
+            $$.legend.style('visibility', 'hidden');
+            $$.hiddenLegendIds = $$.mapToIds($$.data.targets);
+            return;
+        }
+        // MEMO: call here to update legend box and tranlate for all
+        // MEMO: translate will be upated by this, so transform not needed in updateLegend()
+        $$.updateLegendWithDefaults();
+    };
+    c3_chart_internal_fn.updateLegendWithDefaults = function () {
+        var $$ = this;
+        $$.updateLegend($$.mapToIds($$.data.targets), { withTransform: false, withTransitionForTransform: false, withTransition: false });
+    };
+    c3_chart_internal_fn.updateSizeForLegend = function (legendHeight, legendWidth) {
+        var $$ = this,
+            config = $$.config,
+            insetLegendPosition = {
+            top: $$.isLegendTop ? $$.getCurrentPaddingTop() + config.legend_inset_y + 5.5 : $$.currentHeight - legendHeight - $$.getCurrentPaddingBottom() - config.legend_inset_y,
+            left: $$.isLegendLeft ? $$.getCurrentPaddingLeft() + config.legend_inset_x + 0.5 : $$.currentWidth - legendWidth - $$.getCurrentPaddingRight() - config.legend_inset_x + 0.5
+        };
+
+        $$.margin3 = {
+            top: $$.isLegendRight ? 0 : $$.isLegendInset ? insetLegendPosition.top : $$.currentHeight - legendHeight,
+            right: NaN,
+            bottom: 0,
+            left: $$.isLegendRight ? $$.currentWidth - legendWidth : $$.isLegendInset ? insetLegendPosition.left : 0
+        };
+    };
+    c3_chart_internal_fn.transformLegend = function (withTransition) {
+        var $$ = this;
+        (withTransition ? $$.legend.transition() : $$.legend).attr("transform", $$.getTranslate('legend'));
+    };
+    c3_chart_internal_fn.updateLegendStep = function (step) {
+        this.legendStep = step;
+    };
+    c3_chart_internal_fn.updateLegendItemWidth = function (w) {
+        this.legendItemWidth = w;
+    };
+    c3_chart_internal_fn.updateLegendItemHeight = function (h) {
+        this.legendItemHeight = h;
+    };
+    c3_chart_internal_fn.getLegendWidth = function () {
+        var $$ = this;
+        return $$.config.legend_show ? $$.isLegendRight || $$.isLegendInset ? $$.legendItemWidth * ($$.legendStep + 1) : $$.currentWidth : 0;
+    };
+    c3_chart_internal_fn.getLegendHeight = function () {
+        var $$ = this,
+            h = 0;
+        if ($$.config.legend_show) {
+            if ($$.isLegendRight) {
+                h = $$.currentHeight;
+            } else {
+                h = Math.max(20, $$.legendItemHeight) * ($$.legendStep + 1);
+            }
+        }
+        return h;
+    };
+    c3_chart_internal_fn.opacityForLegend = function (legendItem) {
+        return legendItem.classed(CLASS.legendItemHidden) ? null : 1;
+    };
+    c3_chart_internal_fn.opacityForUnfocusedLegend = function (legendItem) {
+        return legendItem.classed(CLASS.legendItemHidden) ? null : 0.3;
+    };
+    c3_chart_internal_fn.toggleFocusLegend = function (targetIds, focus) {
+        var $$ = this;
+        targetIds = $$.mapToTargetIds(targetIds);
+        $$.legend.selectAll('.' + CLASS.legendItem).filter(function (id) {
+            return targetIds.indexOf(id) >= 0;
+        }).classed(CLASS.legendItemFocused, focus).transition().duration(100).style('opacity', function () {
+            var opacity = focus ? $$.opacityForLegend : $$.opacityForUnfocusedLegend;
+            return opacity.call($$, $$.d3.select(this));
+        });
+    };
+    c3_chart_internal_fn.revertLegend = function () {
+        var $$ = this,
+            d3 = $$.d3;
+        $$.legend.selectAll('.' + CLASS.legendItem).classed(CLASS.legendItemFocused, false).transition().duration(100).style('opacity', function () {
+            return $$.opacityForLegend(d3.select(this));
+        });
+    };
+    c3_chart_internal_fn.showLegend = function (targetIds) {
+        var $$ = this,
+            config = $$.config;
+        if (!config.legend_show) {
+            config.legend_show = true;
+            $$.legend.style('visibility', 'visible');
+            if (!$$.legendHasRendered) {
+                $$.updateLegendWithDefaults();
+            }
+        }
+        $$.removeHiddenLegendIds(targetIds);
+        $$.legend.selectAll($$.selectorLegends(targetIds)).style('visibility', 'visible').transition().style('opacity', function () {
+            return $$.opacityForLegend($$.d3.select(this));
+        });
+    };
+    c3_chart_internal_fn.hideLegend = function (targetIds) {
+        var $$ = this,
+            config = $$.config;
+        if (config.legend_show && isEmpty(targetIds)) {
+            config.legend_show = false;
+            $$.legend.style('visibility', 'hidden');
+        }
+        $$.addHiddenLegendIds(targetIds);
+        $$.legend.selectAll($$.selectorLegends(targetIds)).style('opacity', 0).style('visibility', 'hidden');
+    };
+    c3_chart_internal_fn.clearLegendItemTextBoxCache = function () {
+        this.legendItemTextBox = {};
+    };
+    c3_chart_internal_fn.updateLegend = function (targetIds, options, transitions) {
+        var $$ = this,
+            config = $$.config;
+        var xForLegend, xForLegendText, xForLegendRect, yForLegend, yForLegendText, yForLegendRect, x1ForLegendTile, x2ForLegendTile, yForLegendTile;
+        var paddingTop = 4,
+            paddingRight = 10,
+            maxWidth = 0,
+            maxHeight = 0,
+            posMin = 10,
+            tileWidth = config.legend_item_tile_width + 5;
+        var l,
+            totalLength = 0,
+            offsets = {},
+            widths = {},
+            heights = {},
+            margins = [0],
+            steps = {},
+            step = 0;
+        var withTransition, withTransitionForTransform;
+        var texts, rects, tiles, background;
+
+        // Skip elements when their name is set to null
+        targetIds = targetIds.filter(function (id) {
+            return !isDefined(config.data_names[id]) || config.data_names[id] !== null;
+        });
+
+        options = options || {};
+        withTransition = getOption(options, "withTransition", true);
+        withTransitionForTransform = getOption(options, "withTransitionForTransform", true);
+
+        function getTextBox(textElement, id) {
+            if (!$$.legendItemTextBox[id]) {
+                $$.legendItemTextBox[id] = $$.getTextRect(textElement.textContent, CLASS.legendItem, textElement);
+            }
+            return $$.legendItemTextBox[id];
+        }
+
+        function updatePositions(textElement, id, index) {
+            var reset = index === 0,
+                isLast = index === targetIds.length - 1,
+                box = getTextBox(textElement, id),
+                itemWidth = box.width + tileWidth + (isLast && !($$.isLegendRight || $$.isLegendInset) ? 0 : paddingRight) + config.legend_padding,
+                itemHeight = box.height + paddingTop,
+                itemLength = $$.isLegendRight || $$.isLegendInset ? itemHeight : itemWidth,
+                areaLength = $$.isLegendRight || $$.isLegendInset ? $$.getLegendHeight() : $$.getLegendWidth(),
+                margin,
+                maxLength;
+
+            // MEMO: care about condifion of step, totalLength
+            function updateValues(id, withoutStep) {
+                if (!withoutStep) {
+                    margin = (areaLength - totalLength - itemLength) / 2;
+                    if (margin < posMin) {
+                        margin = (areaLength - itemLength) / 2;
+                        totalLength = 0;
+                        step++;
+                    }
+                }
+                steps[id] = step;
+                margins[step] = $$.isLegendInset ? 10 : margin;
+                offsets[id] = totalLength;
+                totalLength += itemLength;
+            }
+
+            if (reset) {
+                totalLength = 0;
+                step = 0;
+                maxWidth = 0;
+                maxHeight = 0;
+            }
+
+            if (config.legend_show && !$$.isLegendToShow(id)) {
+                widths[id] = heights[id] = steps[id] = offsets[id] = 0;
+                return;
+            }
+
+            widths[id] = itemWidth;
+            heights[id] = itemHeight;
+
+            if (!maxWidth || itemWidth >= maxWidth) {
+                maxWidth = itemWidth;
+            }
+            if (!maxHeight || itemHeight >= maxHeight) {
+                maxHeight = itemHeight;
+            }
+            maxLength = $$.isLegendRight || $$.isLegendInset ? maxHeight : maxWidth;
+
+            if (config.legend_equally) {
+                Object.keys(widths).forEach(function (id) {
+                    widths[id] = maxWidth;
+                });
+                Object.keys(heights).forEach(function (id) {
+                    heights[id] = maxHeight;
+                });
+                margin = (areaLength - maxLength * targetIds.length) / 2;
+                if (margin < posMin) {
+                    totalLength = 0;
+                    step = 0;
+                    targetIds.forEach(function (id) {
+                        updateValues(id);
+                    });
+                } else {
+                    updateValues(id, true);
+                }
+            } else {
+                updateValues(id);
+            }
+        }
+
+        if ($$.isLegendInset) {
+            step = config.legend_inset_step ? config.legend_inset_step : targetIds.length;
+            $$.updateLegendStep(step);
+        }
+
+        if ($$.isLegendRight) {
+            xForLegend = function xForLegend(id) {
+                return maxWidth * steps[id];
+            };
+            yForLegend = function yForLegend(id) {
+                return margins[steps[id]] + offsets[id];
+            };
+        } else if ($$.isLegendInset) {
+            xForLegend = function xForLegend(id) {
+                return maxWidth * steps[id] + 10;
+            };
+            yForLegend = function yForLegend(id) {
+                return margins[steps[id]] + offsets[id];
+            };
+        } else {
+            xForLegend = function xForLegend(id) {
+                return margins[steps[id]] + offsets[id];
+            };
+            yForLegend = function yForLegend(id) {
+                return maxHeight * steps[id];
+            };
+        }
+        xForLegendText = function xForLegendText(id, i) {
+            return xForLegend(id, i) + 4 + config.legend_item_tile_width;
+        };
+        yForLegendText = function yForLegendText(id, i) {
+            return yForLegend(id, i) + 9;
+        };
+        xForLegendRect = function xForLegendRect(id, i) {
+            return xForLegend(id, i);
+        };
+        yForLegendRect = function yForLegendRect(id, i) {
+            return yForLegend(id, i) - 5;
+        };
+        x1ForLegendTile = function x1ForLegendTile(id, i) {
+            return xForLegend(id, i) - 2;
+        };
+        x2ForLegendTile = function x2ForLegendTile(id, i) {
+            return xForLegend(id, i) - 2 + config.legend_item_tile_width;
+        };
+        yForLegendTile = function yForLegendTile(id, i) {
+            return yForLegend(id, i) + 4;
+        };
+
+        // Define g for legend area
+        l = $$.legend.selectAll('.' + CLASS.legendItem).data(targetIds).enter().append('g').attr('class', function (id) {
+            return $$.generateClass(CLASS.legendItem, id);
+        }).style('visibility', function (id) {
+            return $$.isLegendToShow(id) ? 'visible' : 'hidden';
+        }).style('cursor', 'pointer').on('click', function (id) {
+            if (config.legend_item_onclick) {
+                config.legend_item_onclick.call($$, id);
+            } else {
+                if ($$.d3.event.altKey) {
+                    $$.api.hide();
+                    $$.api.show(id);
+                } else {
+                    $$.api.toggle(id);
+                    $$.isTargetToShow(id) ? $$.api.focus(id) : $$.api.revert();
+                }
+            }
+        }).on('mouseover', function (id) {
+            if (config.legend_item_onmouseover) {
+                config.legend_item_onmouseover.call($$, id);
+            } else {
+                $$.d3.select(this).classed(CLASS.legendItemFocused, true);
+                if (!$$.transiting && $$.isTargetToShow(id)) {
+                    $$.api.focus(id);
+                }
+            }
+        }).on('mouseout', function (id) {
+            if (config.legend_item_onmouseout) {
+                config.legend_item_onmouseout.call($$, id);
+            } else {
+                $$.d3.select(this).classed(CLASS.legendItemFocused, false);
+                $$.api.revert();
+            }
+        });
+        l.append('text').text(function (id) {
+            return isDefined(config.data_names[id]) ? config.data_names[id] : id;
+        }).each(function (id, i) {
+            updatePositions(this, id, i);
+        }).style("pointer-events", "none").attr('x', $$.isLegendRight || $$.isLegendInset ? xForLegendText : -200).attr('y', $$.isLegendRight || $$.isLegendInset ? -200 : yForLegendText);
+        l.append('rect').attr("class", CLASS.legendItemEvent).style('fill-opacity', 0).attr('x', $$.isLegendRight || $$.isLegendInset ? xForLegendRect : -200).attr('y', $$.isLegendRight || $$.isLegendInset ? -200 : yForLegendRect);
+        l.append('line').attr('class', CLASS.legendItemTile).style('stroke', $$.color).style("pointer-events", "none").attr('x1', $$.isLegendRight || $$.isLegendInset ? x1ForLegendTile : -200).attr('y1', $$.isLegendRight || $$.isLegendInset ? -200 : yForLegendTile).attr('x2', $$.isLegendRight || $$.isLegendInset ? x2ForLegendTile : -200).attr('y2', $$.isLegendRight || $$.isLegendInset ? -200 : yForLegendTile).attr('stroke-width', config.legend_item_tile_height);
+
+        // Set background for inset legend
+        background = $$.legend.select('.' + CLASS.legendBackground + ' rect');
+        if ($$.isLegendInset && maxWidth > 0 && background.size() === 0) {
+            background = $$.legend.insert('g', '.' + CLASS.legendItem).attr("class", CLASS.legendBackground).append('rect');
+        }
+
+        texts = $$.legend.selectAll('text').data(targetIds).text(function (id) {
+            return isDefined(config.data_names[id]) ? config.data_names[id] : id;
+        }) // MEMO: needed for update
+        .each(function (id, i) {
+            updatePositions(this, id, i);
+        });
+        (withTransition ? texts.transition() : texts).attr('x', xForLegendText).attr('y', yForLegendText);
+
+        rects = $$.legend.selectAll('rect.' + CLASS.legendItemEvent).data(targetIds);
+        (withTransition ? rects.transition() : rects).attr('width', function (id) {
+            return widths[id];
+        }).attr('height', function (id) {
+            return heights[id];
+        }).attr('x', xForLegendRect).attr('y', yForLegendRect);
+
+        tiles = $$.legend.selectAll('line.' + CLASS.legendItemTile).data(targetIds);
+        (withTransition ? tiles.transition() : tiles).style('stroke', $$.levelColor ? function (id) {
+            return $$.levelColor($$.cache[id].values[0].value);
+        } : $$.color).attr('x1', x1ForLegendTile).attr('y1', yForLegendTile).attr('x2', x2ForLegendTile).attr('y2', yForLegendTile);
+
+        if (background) {
+            (withTransition ? background.transition() : background).attr('height', $$.getLegendHeight() - 12).attr('width', maxWidth * (step + 1) + 10);
+        }
+
+        // toggle legend state
+        $$.legend.selectAll('.' + CLASS.legendItem).classed(CLASS.legendItemHidden, function (id) {
+            return !$$.isTargetToShow(id);
+        });
+
+        // Update all to reflect change of legend
+        $$.updateLegendItemWidth(maxWidth);
+        $$.updateLegendItemHeight(maxHeight);
+        $$.updateLegendStep(step);
+        // Update size and scale
+        $$.updateSizes();
+        $$.updateScales();
+        $$.updateSvgSize();
+        // Update g positions
+        $$.transformAll(withTransitionForTransform, transitions);
+        $$.legendHasRendered = true;
+    };
+
+    c3_chart_internal_fn.initRegion = function () {
+        var $$ = this;
+        $$.region = $$.main.append('g').attr("clip-path", $$.clipPath).attr("class", CLASS.regions);
+    };
+    c3_chart_internal_fn.updateRegion = function (duration) {
+        var $$ = this,
+            config = $$.config;
+
+        // hide if arc type
+        $$.region.style('visibility', $$.hasArcType() ? 'hidden' : 'visible');
+
+        var mainRegion = $$.main.select('.' + CLASS.regions).selectAll('.' + CLASS.region).data(config.regions);
+        var mainRegionEnter = mainRegion.enter().append('rect').attr("x", $$.regionX.bind($$)).attr("y", $$.regionY.bind($$)).attr("width", $$.regionWidth.bind($$)).attr("height", $$.regionHeight.bind($$)).style("fill-opacity", 0);
+        $$.mainRegion = mainRegionEnter.merge(mainRegion).attr('class', $$.classRegion.bind($$));
+        mainRegion.exit().transition().duration(duration).style("opacity", 0).remove();
+    };
+    c3_chart_internal_fn.redrawRegion = function (withTransition, transition) {
+        var $$ = this,
+            regions = $$.mainRegion;
+        return [(withTransition ? regions.transition(transition) : regions).attr("x", $$.regionX.bind($$)).attr("y", $$.regionY.bind($$)).attr("width", $$.regionWidth.bind($$)).attr("height", $$.regionHeight.bind($$)).style("fill-opacity", function (d) {
+            return isValue(d.opacity) ? d.opacity : 0.1;
+        })];
+    };
+    c3_chart_internal_fn.regionX = function (d) {
+        var $$ = this,
+            config = $$.config,
+            xPos,
+            yScale = d.axis === 'y' ? $$.y : $$.y2;
+        if (d.axis === 'y' || d.axis === 'y2') {
+            xPos = config.axis_rotated ? 'start' in d ? yScale(d.start) : 0 : 0;
+        } else {
+            xPos = config.axis_rotated ? 0 : 'start' in d ? $$.x($$.isTimeSeries() ? $$.parseDate(d.start) : d.start) : 0;
+        }
+        return xPos;
+    };
+    c3_chart_internal_fn.regionY = function (d) {
+        var $$ = this,
+            config = $$.config,
+            yPos,
+            yScale = d.axis === 'y' ? $$.y : $$.y2;
+        if (d.axis === 'y' || d.axis === 'y2') {
+            yPos = config.axis_rotated ? 0 : 'end' in d ? yScale(d.end) : 0;
+        } else {
+            yPos = config.axis_rotated ? 'start' in d ? $$.x($$.isTimeSeries() ? $$.parseDate(d.start) : d.start) : 0 : 0;
+        }
+        return yPos;
+    };
+    c3_chart_internal_fn.regionWidth = function (d) {
+        var $$ = this,
+            config = $$.config,
+            start = $$.regionX(d),
+            end,
+            yScale = d.axis === 'y' ? $$.y : $$.y2;
+        if (d.axis === 'y' || d.axis === 'y2') {
+            end = config.axis_rotated ? 'end' in d ? yScale(d.end) : $$.width : $$.width;
+        } else {
+            end = config.axis_rotated ? $$.width : 'end' in d ? $$.x($$.isTimeSeries() ? $$.parseDate(d.end) : d.end) : $$.width;
+        }
+        return end < start ? 0 : end - start;
+    };
+    c3_chart_internal_fn.regionHeight = function (d) {
+        var $$ = this,
+            config = $$.config,
+            start = this.regionY(d),
+            end,
+            yScale = d.axis === 'y' ? $$.y : $$.y2;
+        if (d.axis === 'y' || d.axis === 'y2') {
+            end = config.axis_rotated ? $$.height : 'start' in d ? yScale(d.start) : $$.height;
+        } else {
+            end = config.axis_rotated ? 'end' in d ? $$.x($$.isTimeSeries() ? $$.parseDate(d.end) : d.end) : $$.height : $$.height;
+        }
+        return end < start ? 0 : end - start;
+    };
+    c3_chart_internal_fn.isRegionOnX = function (d) {
+        return !d.axis || d.axis === 'x';
+    };
+
+    c3_chart_internal_fn.getScale = function (min, max, forTimeseries) {
+        return (forTimeseries ? this.d3.scaleTime() : this.d3.scaleLinear()).range([min, max]);
+    };
+    c3_chart_internal_fn.getX = function (min, max, domain, offset) {
+        var $$ = this,
+            scale = $$.getScale(min, max, $$.isTimeSeries()),
+            _scale = domain ? scale.domain(domain) : scale,
+            key;
+        // Define customized scale if categorized axis
+        if ($$.isCategorized()) {
+            offset = offset || function () {
+                return 0;
+            };
+            scale = function scale(d, raw) {
+                var v = _scale(d) + offset(d);
+                return raw ? v : Math.ceil(v);
+            };
+        } else {
+            scale = function scale(d, raw) {
+                var v = _scale(d);
+                return raw ? v : Math.ceil(v);
+            };
+        }
+        // define functions
+        for (key in _scale) {
+            scale[key] = _scale[key];
+        }
+        scale.orgDomain = function () {
+            return _scale.domain();
+        };
+        // define custom domain() for categorized axis
+        if ($$.isCategorized()) {
+            scale.domain = function (domain) {
+                if (!arguments.length) {
+                    domain = this.orgDomain();
+                    return [domain[0], domain[1] + 1];
+                }
+                _scale.domain(domain);
+                return scale;
+            };
+        }
+        return scale;
+    };
+    c3_chart_internal_fn.getY = function (min, max, domain) {
+        var scale = this.getScale(min, max, this.isTimeSeriesY());
+        if (domain) {
+            scale.domain(domain);
+        }
+        return scale;
+    };
+    c3_chart_internal_fn.getYScale = function (id) {
+        return this.axis.getId(id) === 'y2' ? this.y2 : this.y;
+    };
+    c3_chart_internal_fn.getSubYScale = function (id) {
+        return this.axis.getId(id) === 'y2' ? this.subY2 : this.subY;
+    };
+    c3_chart_internal_fn.updateScales = function () {
+        var $$ = this,
+            config = $$.config,
+            forInit = !$$.x;
+        // update edges
+        $$.xMin = config.axis_rotated ? 1 : 0;
+        $$.xMax = config.axis_rotated ? $$.height : $$.width;
+        $$.yMin = config.axis_rotated ? 0 : $$.height;
+        $$.yMax = config.axis_rotated ? $$.width : 1;
+        $$.subXMin = $$.xMin;
+        $$.subXMax = $$.xMax;
+        $$.subYMin = config.axis_rotated ? 0 : $$.height2;
+        $$.subYMax = config.axis_rotated ? $$.width2 : 1;
+        // update scales
+        $$.x = $$.getX($$.xMin, $$.xMax, forInit ? undefined : $$.x.orgDomain(), function () {
+            return $$.xAxis.tickOffset();
+        });
+        $$.y = $$.getY($$.yMin, $$.yMax, forInit ? config.axis_y_default : $$.y.domain());
+        $$.y2 = $$.getY($$.yMin, $$.yMax, forInit ? config.axis_y2_default : $$.y2.domain());
+        $$.subX = $$.getX($$.xMin, $$.xMax, $$.orgXDomain, function (d) {
+            return d % 1 ? 0 : $$.subXAxis.tickOffset();
+        });
+        $$.subY = $$.getY($$.subYMin, $$.subYMax, forInit ? config.axis_y_default : $$.subY.domain());
+        $$.subY2 = $$.getY($$.subYMin, $$.subYMax, forInit ? config.axis_y2_default : $$.subY2.domain());
+        // update axes
+        $$.xAxisTickFormat = $$.axis.getXAxisTickFormat();
+        $$.xAxisTickValues = $$.axis.getXAxisTickValues();
+        $$.yAxisTickValues = $$.axis.getYAxisTickValues();
+        $$.y2AxisTickValues = $$.axis.getY2AxisTickValues();
+
+        $$.xAxis = $$.axis.getXAxis($$.x, $$.xOrient, $$.xAxisTickFormat, $$.xAxisTickValues, config.axis_x_tick_outer);
+        $$.subXAxis = $$.axis.getXAxis($$.subX, $$.subXOrient, $$.xAxisTickFormat, $$.xAxisTickValues, config.axis_x_tick_outer);
+        $$.yAxis = $$.axis.getYAxis($$.y, $$.yOrient, config.axis_y_tick_format, $$.yAxisTickValues, config.axis_y_tick_outer);
+        $$.y2Axis = $$.axis.getYAxis($$.y2, $$.y2Orient, config.axis_y2_tick_format, $$.y2AxisTickValues, config.axis_y2_tick_outer);
+
+        // Set initialized scales to brush and zoom
+        if (!forInit) {
+            if ($$.brush) {
+                $$.brush.updateScale($$.subX);
+            }
+        }
+        // update for arc
+        if ($$.updateArc) {
+            $$.updateArc();
+        }
+    };
+
+    c3_chart_internal_fn.selectPoint = function (target, d, i) {
+        var $$ = this,
+            config = $$.config,
+            cx = (config.axis_rotated ? $$.circleY : $$.circleX).bind($$),
+            cy = (config.axis_rotated ? $$.circleX : $$.circleY).bind($$),
+            r = $$.pointSelectR.bind($$);
+        config.data_onselected.call($$.api, d, target.node());
+        // add selected-circle on low layer g
+        $$.main.select('.' + CLASS.selectedCircles + $$.getTargetSelectorSuffix(d.id)).selectAll('.' + CLASS.selectedCircle + '-' + i).data([d]).enter().append('circle').attr("class", function () {
+            return $$.generateClass(CLASS.selectedCircle, i);
+        }).attr("cx", cx).attr("cy", cy).attr("stroke", function () {
+            return $$.color(d);
+        }).attr("r", function (d) {
+            return $$.pointSelectR(d) * 1.4;
+        }).transition().duration(100).attr("r", r);
+    };
+    c3_chart_internal_fn.unselectPoint = function (target, d, i) {
+        var $$ = this;
+        $$.config.data_onunselected.call($$.api, d, target.node());
+        // remove selected-circle from low layer g
+        $$.main.select('.' + CLASS.selectedCircles + $$.getTargetSelectorSuffix(d.id)).selectAll('.' + CLASS.selectedCircle + '-' + i).transition().duration(100).attr('r', 0).remove();
+    };
+    c3_chart_internal_fn.togglePoint = function (selected, target, d, i) {
+        selected ? this.selectPoint(target, d, i) : this.unselectPoint(target, d, i);
+    };
+    c3_chart_internal_fn.selectPath = function (target, d) {
+        var $$ = this;
+        $$.config.data_onselected.call($$, d, target.node());
+        if ($$.config.interaction_brighten) {
+            target.transition().duration(100).style("fill", function () {
+                return $$.d3.rgb($$.color(d)).brighter(0.75);
+            });
+        }
+    };
+    c3_chart_internal_fn.unselectPath = function (target, d) {
+        var $$ = this;
+        $$.config.data_onunselected.call($$, d, target.node());
+        if ($$.config.interaction_brighten) {
+            target.transition().duration(100).style("fill", function () {
+                return $$.color(d);
+            });
+        }
+    };
+    c3_chart_internal_fn.togglePath = function (selected, target, d, i) {
+        selected ? this.selectPath(target, d, i) : this.unselectPath(target, d, i);
+    };
+    c3_chart_internal_fn.getToggle = function (that, d) {
+        var $$ = this,
+            toggle;
+        if (that.nodeName === 'circle') {
+            if ($$.isStepType(d)) {
+                // circle is hidden in step chart, so treat as within the click area
+                toggle = function toggle() {}; // TODO: how to select step chart?
+            } else {
+                toggle = $$.togglePoint;
+            }
+        } else if (that.nodeName === 'path') {
+            toggle = $$.togglePath;
+        }
+        return toggle;
+    };
+    c3_chart_internal_fn.toggleShape = function (that, d, i) {
+        var $$ = this,
+            d3 = $$.d3,
+            config = $$.config,
+            shape = d3.select(that),
+            isSelected = shape.classed(CLASS.SELECTED),
+            toggle = $$.getToggle(that, d).bind($$);
+
+        if (config.data_selection_enabled && config.data_selection_isselectable(d)) {
+            if (!config.data_selection_multiple) {
+                $$.main.selectAll('.' + CLASS.shapes + (config.data_selection_grouped ? $$.getTargetSelectorSuffix(d.id) : "")).selectAll('.' + CLASS.shape).each(function (d, i) {
+                    var shape = d3.select(this);
+                    if (shape.classed(CLASS.SELECTED)) {
+                        toggle(false, shape.classed(CLASS.SELECTED, false), d, i);
+                    }
+                });
+            }
+            shape.classed(CLASS.SELECTED, !isSelected);
+            toggle(!isSelected, shape, d, i);
+        }
+    };
+
+    c3_chart_internal_fn.initBar = function () {
+        var $$ = this;
+        $$.main.select('.' + CLASS.chart).append("g").attr("class", CLASS.chartBars);
+    };
+    c3_chart_internal_fn.updateTargetsForBar = function (targets) {
+        var $$ = this,
+            config = $$.config,
+            mainBars,
+            mainBarEnter,
+            classChartBar = $$.classChartBar.bind($$),
+            classBars = $$.classBars.bind($$),
+            classFocus = $$.classFocus.bind($$);
+        mainBars = $$.main.select('.' + CLASS.chartBars).selectAll('.' + CLASS.chartBar).data(targets).attr('class', function (d) {
+            return classChartBar(d) + classFocus(d);
+        });
+        mainBarEnter = mainBars.enter().append('g').attr('class', classChartBar).style("pointer-events", "none");
+        // Bars for each data
+        mainBarEnter.append('g').attr("class", classBars).style("cursor", function (d) {
+            return config.data_selection_isselectable(d) ? "pointer" : null;
+        });
+    };
+    c3_chart_internal_fn.updateBar = function (durationForExit) {
+        var $$ = this,
+            barData = $$.barData.bind($$),
+            classBar = $$.classBar.bind($$),
+            initialOpacity = $$.initialOpacity.bind($$),
+            color = function color(d) {
+            return $$.color(d.id);
+        };
+        var mainBar = $$.main.selectAll('.' + CLASS.bars).selectAll('.' + CLASS.bar).data(barData);
+        var mainBarEnter = mainBar.enter().append('path').attr("class", classBar).style("stroke", color).style("fill", color);
+        $$.mainBar = mainBarEnter.merge(mainBar).style("opacity", initialOpacity);
+        mainBar.exit().transition().duration(durationForExit).style("opacity", 0);
+    };
+    c3_chart_internal_fn.redrawBar = function (drawBar, withTransition, transition) {
+        return [(withTransition ? this.mainBar.transition(transition) : this.mainBar).attr('d', drawBar).style("stroke", this.color).style("fill", this.color).style("opacity", 1)];
+    };
+    c3_chart_internal_fn.getBarW = function (axis, barTargetsNum) {
+        var $$ = this,
+            config = $$.config,
+            w = typeof config.bar_width === 'number' ? config.bar_width : barTargetsNum ? axis.tickInterval() * config.bar_width_ratio / barTargetsNum : 0;
+        return config.bar_width_max && w > config.bar_width_max ? config.bar_width_max : w;
+    };
+    c3_chart_internal_fn.getBars = function (i, id) {
+        var $$ = this;
+        return (id ? $$.main.selectAll('.' + CLASS.bars + $$.getTargetSelectorSuffix(id)) : $$.main).selectAll('.' + CLASS.bar + (isValue(i) ? '-' + i : ''));
+    };
+    c3_chart_internal_fn.expandBars = function (i, id, reset) {
+        var $$ = this;
+        if (reset) {
+            $$.unexpandBars();
+        }
+        $$.getBars(i, id).classed(CLASS.EXPANDED, true);
+    };
+    c3_chart_internal_fn.unexpandBars = function (i) {
+        var $$ = this;
+        $$.getBars(i).classed(CLASS.EXPANDED, false);
+    };
+    c3_chart_internal_fn.generateDrawBar = function (barIndices, isSub) {
+        var $$ = this,
+            config = $$.config,
+            getPoints = $$.generateGetBarPoints(barIndices, isSub);
+        return function (d, i) {
+            // 4 points that make a bar
+            var points = getPoints(d, i);
+
+            // switch points if axis is rotated, not applicable for sub chart
+            var indexX = config.axis_rotated ? 1 : 0;
+            var indexY = config.axis_rotated ? 0 : 1;
+
+            var path = 'M ' + points[0][indexX] + ',' + points[0][indexY] + ' ' + 'L' + points[1][indexX] + ',' + points[1][indexY] + ' ' + 'L' + points[2][indexX] + ',' + points[2][indexY] + ' ' + 'L' + points[3][indexX] + ',' + points[3][indexY] + ' ' + 'z';
+
+            return path;
+        };
+    };
+    c3_chart_internal_fn.generateGetBarPoints = function (barIndices, isSub) {
+        var $$ = this,
+            axis = isSub ? $$.subXAxis : $$.xAxis,
+            barTargetsNum = barIndices.__max__ + 1,
+            barW = $$.getBarW(axis, barTargetsNum),
+            barX = $$.getShapeX(barW, barTargetsNum, barIndices, !!isSub),
+            barY = $$.getShapeY(!!isSub),
+            barOffset = $$.getShapeOffset($$.isBarType, barIndices, !!isSub),
+            barSpaceOffset = barW * ($$.config.bar_space / 2),
+            yScale = isSub ? $$.getSubYScale : $$.getYScale;
+        return function (d, i) {
+            var y0 = yScale.call($$, d.id)(0),
+                offset = barOffset(d, i) || y0,
+                // offset is for stacked bar chart
+            posX = barX(d),
+                posY = barY(d);
+            // fix posY not to overflow opposite quadrant
+            if ($$.config.axis_rotated) {
+                if (0 < d.value && posY < y0 || d.value < 0 && y0 < posY) {
+                    posY = y0;
+                }
+            }
+            // 4 points that make a bar
+            return [[posX + barSpaceOffset, offset], [posX + barSpaceOffset, posY - (y0 - offset)], [posX + barW - barSpaceOffset, posY - (y0 - offset)], [posX + barW - barSpaceOffset, offset]];
+        };
+    };
+    c3_chart_internal_fn.isWithinBar = function (mouse, that) {
+        var box = that.getBoundingClientRect(),
+            seg0 = that.pathSegList.getItem(0),
+            seg1 = that.pathSegList.getItem(1),
+            x = Math.min(seg0.x, seg1.x),
+            y = Math.min(seg0.y, seg1.y),
+            w = box.width,
+            h = box.height,
+            offset = 2,
+            sx = x - offset,
+            ex = x + w + offset,
+            sy = y + h + offset,
+            ey = y - offset;
+        return sx < mouse[0] && mouse[0] < ex && ey < mouse[1] && mouse[1] < sy;
+    };
+
+    c3_chart_internal_fn.getShapeIndices = function (typeFilter) {
+        var $$ = this,
+            config = $$.config,
+            indices = {},
+            i = 0,
+            j,
+            k;
+        $$.filterTargetsToShow($$.data.targets.filter(typeFilter, $$)).forEach(function (d) {
+            for (j = 0; j < config.data_groups.length; j++) {
+                if (config.data_groups[j].indexOf(d.id) < 0) {
+                    continue;
+                }
+                for (k = 0; k < config.data_groups[j].length; k++) {
+                    if (config.data_groups[j][k] in indices) {
+                        indices[d.id] = indices[config.data_groups[j][k]];
+                        break;
+                    }
+                }
+            }
+            if (isUndefined(indices[d.id])) {
+                indices[d.id] = i++;
+            }
+        });
+        indices.__max__ = i - 1;
+        return indices;
+    };
+    c3_chart_internal_fn.getShapeX = function (offset, targetsNum, indices, isSub) {
+        var $$ = this,
+            scale = isSub ? $$.subX : $$.x;
+        return function (d) {
+            var index = d.id in indices ? indices[d.id] : 0;
+            return d.x || d.x === 0 ? scale(d.x) - offset * (targetsNum / 2 - index) : 0;
+        };
+    };
+    c3_chart_internal_fn.getShapeY = function (isSub) {
+        var $$ = this;
+        return function (d) {
+            var scale = isSub ? $$.getSubYScale(d.id) : $$.getYScale(d.id);
+            return scale(d.value);
+        };
+    };
+    c3_chart_internal_fn.getShapeOffset = function (typeFilter, indices, isSub) {
+        var $$ = this,
+            targets = $$.orderTargets($$.filterTargetsToShow($$.data.targets.filter(typeFilter, $$))),
+            targetIds = targets.map(function (t) {
+            return t.id;
+        });
+        return function (d, i) {
+            var scale = isSub ? $$.getSubYScale(d.id) : $$.getYScale(d.id),
+                y0 = scale(0),
+                offset = y0;
+            targets.forEach(function (t) {
+                var values = $$.isStepType(d) ? $$.convertValuesToStep(t.values) : t.values;
+                if (t.id === d.id || indices[t.id] !== indices[d.id]) {
+                    return;
+                }
+                if (targetIds.indexOf(t.id) < targetIds.indexOf(d.id)) {
+                    // check if the x values line up
+                    if (typeof values[i] === 'undefined' || +values[i].x !== +d.x) {
+                        // "+" for timeseries
+                        // if not, try to find the value that does line up
+                        i = -1;
+                        values.forEach(function (v, j) {
+                            if (v.x === d.x) {
+                                i = j;
+                            }
+                        });
+                    }
+                    if (i in values && values[i].value * d.value >= 0) {
+                        offset += scale(values[i].value) - y0;
+                    }
+                }
+            });
+            return offset;
+        };
+    };
+    c3_chart_internal_fn.isWithinShape = function (that, d) {
+        var $$ = this,
+            shape = $$.d3.select(that),
+            isWithin;
+        if (!$$.isTargetToShow(d.id)) {
+            isWithin = false;
+        } else if (that.nodeName === 'circle') {
+            isWithin = $$.isStepType(d) ? $$.isWithinStep(that, $$.getYScale(d.id)(d.value)) : $$.isWithinCircle(that, $$.pointSelectR(d) * 1.5);
+        } else if (that.nodeName === 'path') {
+            isWithin = shape.classed(CLASS.bar) ? $$.isWithinBar($$.d3.mouse(that), that) : true;
+        }
+        return isWithin;
+    };
+
+    c3_chart_internal_fn.getInterpolate = function (d) {
+        var $$ = this,
+            d3 = $$.d3,
+            types = {
+            'linear': d3.curveLinear,
+            'linear-closed': d3.curveLinearClosed,
+            'basis': d3.curveBasis,
+            'basis-open': d3.curveBasisOpen,
+            'basis-closed': d3.curveBasisClosed,
+            'bundle': d3.curveBundle,
+            'cardinal': d3.curveCardinal,
+            'cardinal-open': d3.curveCardinalOpen,
+            'cardinal-closed': d3.curveCardinalClosed,
+            'monotone': d3.curveMonotoneX,
+            'step': d3.curveStep
+        },
+            type;
+
+        if ($$.isSplineType(d)) {
+            type = types[$$.config.spline_interpolation_type] || types.cardinal;
+        } else if ($$.isStepType(d)) {
+            type = types[$$.config.line_step_type];
+        } else {
+            type = types.linear;
+        }
+        return type;
+    };
+
+    c3_chart_internal_fn.initLine = function () {
+        var $$ = this;
+        $$.main.select('.' + CLASS.chart).append("g").attr("class", CLASS.chartLines);
+    };
+    c3_chart_internal_fn.updateTargetsForLine = function (targets) {
+        var $$ = this,
+            config = $$.config,
+            mainLines,
+            mainLineEnter,
+            classChartLine = $$.classChartLine.bind($$),
+            classLines = $$.classLines.bind($$),
+            classAreas = $$.classAreas.bind($$),
+            classCircles = $$.classCircles.bind($$),
+            classFocus = $$.classFocus.bind($$);
+        mainLines = $$.main.select('.' + CLASS.chartLines).selectAll('.' + CLASS.chartLine).data(targets).attr('class', function (d) {
+            return classChartLine(d) + classFocus(d);
+        });
+        mainLineEnter = mainLines.enter().append('g').attr('class', classChartLine).style('opacity', 0).style("pointer-events", "none");
+        // Lines for each data
+        mainLineEnter.append('g').attr("class", classLines);
+        // Areas
+        mainLineEnter.append('g').attr('class', classAreas);
+        // Circles for each data point on lines
+        mainLineEnter.append('g').attr("class", function (d) {
+            return $$.generateClass(CLASS.selectedCircles, d.id);
+        });
+        mainLineEnter.append('g').attr("class", classCircles).style("cursor", function (d) {
+            return config.data_selection_isselectable(d) ? "pointer" : null;
+        });
+        // Update date for selected circles
+        targets.forEach(function (t) {
+            $$.main.selectAll('.' + CLASS.selectedCircles + $$.getTargetSelectorSuffix(t.id)).selectAll('.' + CLASS.selectedCircle).each(function (d) {
+                d.value = t.values[d.index].value;
+            });
+        });
+        // MEMO: can not keep same color...
+        //mainLineUpdate.exit().remove();
+    };
+    c3_chart_internal_fn.updateLine = function (durationForExit) {
+        var $$ = this;
+        var mainLine = $$.main.selectAll('.' + CLASS.lines).selectAll('.' + CLASS.line).data($$.lineData.bind($$));
+        var mainLineEnter = mainLine.enter().append('path').attr('class', $$.classLine.bind($$)).style("stroke", $$.color);
+        $$.mainLine = mainLineEnter.merge(mainLine).style("opacity", $$.initialOpacity.bind($$)).style('shape-rendering', function (d) {
+            return $$.isStepType(d) ? 'crispEdges' : '';
+        }).attr('transform', null);
+        mainLine.exit().transition().duration(durationForExit).style('opacity', 0);
+    };
+    c3_chart_internal_fn.redrawLine = function (drawLine, withTransition, transition) {
+        return [(withTransition ? this.mainLine.transition(transition) : this.mainLine).attr("d", drawLine).style("stroke", this.color).style("opacity", 1)];
+    };
+    c3_chart_internal_fn.generateDrawLine = function (lineIndices, isSub) {
+        var $$ = this,
+            config = $$.config,
+            line = $$.d3.line(),
+            getPoints = $$.generateGetLinePoints(lineIndices, isSub),
+            yScaleGetter = isSub ? $$.getSubYScale : $$.getYScale,
+            xValue = function xValue(d) {
+            return (isSub ? $$.subxx : $$.xx).call($$, d);
+        },
+            yValue = function yValue(d, i) {
+            return config.data_groups.length > 0 ? getPoints(d, i)[0][1] : yScaleGetter.call($$, d.id)(d.value);
+        };
+
+        line = config.axis_rotated ? line.x(yValue).y(xValue) : line.x(xValue).y(yValue);
+        if (!config.line_connectNull) {
+            line = line.defined(function (d) {
+                return d.value != null;
+            });
+        }
+        return function (d) {
+            var values = config.line_connectNull ? $$.filterRemoveNull(d.values) : d.values,
+                x = isSub ? $$.subX : $$.x,
+                y = yScaleGetter.call($$, d.id),
+                x0 = 0,
+                y0 = 0,
+                path;
+            if ($$.isLineType(d)) {
+                if (config.data_regions[d.id]) {
+                    path = $$.lineWithRegions(values, x, y, config.data_regions[d.id]);
+                } else {
+                    if ($$.isStepType(d)) {
+                        values = $$.convertValuesToStep(values);
+                    }
+                    path = line.curve($$.getInterpolate(d))(values);
+                }
+            } else {
+                if (values[0]) {
+                    x0 = x(values[0].x);
+                    y0 = y(values[0].value);
+                }
+                path = config.axis_rotated ? "M " + y0 + " " + x0 : "M " + x0 + " " + y0;
+            }
+            return path ? path : "M 0 0";
+        };
+    };
+    c3_chart_internal_fn.generateGetLinePoints = function (lineIndices, isSub) {
+        // partial duplication of generateGetBarPoints
+        var $$ = this,
+            config = $$.config,
+            lineTargetsNum = lineIndices.__max__ + 1,
+            x = $$.getShapeX(0, lineTargetsNum, lineIndices, !!isSub),
+            y = $$.getShapeY(!!isSub),
+            lineOffset = $$.getShapeOffset($$.isLineType, lineIndices, !!isSub),
+            yScale = isSub ? $$.getSubYScale : $$.getYScale;
+        return function (d, i) {
+            var y0 = yScale.call($$, d.id)(0),
+                offset = lineOffset(d, i) || y0,
+                // offset is for stacked area chart
+            posX = x(d),
+                posY = y(d);
+            // fix posY not to overflow opposite quadrant
+            if (config.axis_rotated) {
+                if (0 < d.value && posY < y0 || d.value < 0 && y0 < posY) {
+                    posY = y0;
+                }
+            }
+            // 1 point that marks the line position
+            return [[posX, posY - (y0 - offset)], [posX, posY - (y0 - offset)], // needed for compatibility
+            [posX, posY - (y0 - offset)], // needed for compatibility
+            [posX, posY - (y0 - offset)] // needed for compatibility
+            ];
+        };
+    };
+
+    c3_chart_internal_fn.lineWithRegions = function (d, x, y, _regions) {
+        var $$ = this,
+            config = $$.config,
+            prev = -1,
+            i,
+            j,
+            s = "M",
+            sWithRegion,
+            xp,
+            yp,
+            dx,
+            dy,
+            dd,
+            diff,
+            diffx2,
+            xOffset = $$.isCategorized() ? 0.5 : 0,
+            xValue,
+            yValue,
+            regions = [];
+
+        function isWithinRegions(x, regions) {
+            var i;
+            for (i = 0; i < regions.length; i++) {
+                if (regions[i].start < x && x <= regions[i].end) {
+                    return true;
+                }
+            }
+            return false;
+        }
+
+        // Check start/end of regions
+        if (isDefined(_regions)) {
+            for (i = 0; i < _regions.length; i++) {
+                regions[i] = {};
+                if (isUndefined(_regions[i].start)) {
+                    regions[i].start = d[0].x;
+                } else {
+                    regions[i].start = $$.isTimeSeries() ? $$.parseDate(_regions[i].start) : _regions[i].start;
+                }
+                if (isUndefined(_regions[i].end)) {
+                    regions[i].end = d[d.length - 1].x;
+                } else {
+                    regions[i].end = $$.isTimeSeries() ? $$.parseDate(_regions[i].end) : _regions[i].end;
+                }
+            }
+        }
+
+        // Set scales
+        xValue = config.axis_rotated ? function (d) {
+            return y(d.value);
+        } : function (d) {
+            return x(d.x);
+        };
+        yValue = config.axis_rotated ? function (d) {
+            return x(d.x);
+        } : function (d) {
+            return y(d.value);
+        };
+
+        // Define svg generator function for region
+        function generateM(points) {
+            return 'M' + points[0][0] + ' ' + points[0][1] + ' ' + points[1][0] + ' ' + points[1][1];
+        }
+        if ($$.isTimeSeries()) {
+            sWithRegion = function sWithRegion(d0, d1, j, diff) {
+                var x0 = d0.x.getTime(),
+                    x_diff = d1.x - d0.x,
+                    xv0 = new Date(x0 + x_diff * j),
+                    xv1 = new Date(x0 + x_diff * (j + diff)),
+                    points;
+                if (config.axis_rotated) {
+                    points = [[y(yp(j)), x(xv0)], [y(yp(j + diff)), x(xv1)]];
+                } else {
+                    points = [[x(xv0), y(yp(j))], [x(xv1), y(yp(j + diff))]];
+                }
+                return generateM(points);
+            };
+        } else {
+            sWithRegion = function sWithRegion(d0, d1, j, diff) {
+                var points;
+                if (config.axis_rotated) {
+                    points = [[y(yp(j), true), x(xp(j))], [y(yp(j + diff), true), x(xp(j + diff))]];
+                } else {
+                    points = [[x(xp(j), true), y(yp(j))], [x(xp(j + diff), true), y(yp(j + diff))]];
+                }
+                return generateM(points);
+            };
+        }
+
+        // Generate
+        for (i = 0; i < d.length; i++) {
+
+            // Draw as normal
+            if (isUndefined(regions) || !isWithinRegions(d[i].x, regions)) {
+                s += " " + xValue(d[i]) + " " + yValue(d[i]);
+            }
+            // Draw with region // TODO: Fix for horizotal charts
+            else {
+                    xp = $$.getScale(d[i - 1].x + xOffset, d[i].x + xOffset, $$.isTimeSeries());
+                    yp = $$.getScale(d[i - 1].value, d[i].value);
+
+                    dx = x(d[i].x) - x(d[i - 1].x);
+                    dy = y(d[i].value) - y(d[i - 1].value);
+                    dd = Math.sqrt(Math.pow(dx, 2) + Math.pow(dy, 2));
+                    diff = 2 / dd;
+                    diffx2 = diff * 2;
+
+                    for (j = diff; j <= 1; j += diffx2) {
+                        s += sWithRegion(d[i - 1], d[i], j, diff);
+                    }
+                }
+            prev = d[i].x;
+        }
+
+        return s;
+    };
+
+    c3_chart_internal_fn.updateArea = function (durationForExit) {
+        var $$ = this,
+            d3 = $$.d3;
+        var mainArea = $$.main.selectAll('.' + CLASS.areas).selectAll('.' + CLASS.area).data($$.lineData.bind($$));
+        var mainAreaEnter = mainArea.enter().append('path').attr("class", $$.classArea.bind($$)).style("fill", $$.color).style("opacity", function () {
+            $$.orgAreaOpacity = +d3.select(this).style('opacity');return 0;
+        });
+        $$.mainArea = mainAreaEnter.merge(mainArea).style("opacity", $$.orgAreaOpacity);
+        mainArea.exit().transition().duration(durationForExit).style('opacity', 0);
+    };
+    c3_chart_internal_fn.redrawArea = function (drawArea, withTransition, transition) {
+        return [(withTransition ? this.mainArea.transition(transition) : this.mainArea).attr("d", drawArea).style("fill", this.color).style("opacity", this.orgAreaOpacity)];
+    };
+    c3_chart_internal_fn.generateDrawArea = function (areaIndices, isSub) {
+        var $$ = this,
+            config = $$.config,
+            area = $$.d3.area(),
+            getPoints = $$.generateGetAreaPoints(areaIndices, isSub),
+            yScaleGetter = isSub ? $$.getSubYScale : $$.getYScale,
+            xValue = function xValue(d) {
+            return (isSub ? $$.subxx : $$.xx).call($$, d);
+        },
+            value0 = function value0(d, i) {
+            return config.data_groups.length > 0 ? getPoints(d, i)[0][1] : yScaleGetter.call($$, d.id)($$.getAreaBaseValue(d.id));
+        },
+            value1 = function value1(d, i) {
+            return config.data_groups.length > 0 ? getPoints(d, i)[1][1] : yScaleGetter.call($$, d.id)(d.value);
+        };
+
+        area = config.axis_rotated ? area.x0(value0).x1(value1).y(xValue) : area.x(xValue).y0(config.area_above ? 0 : value0).y1(value1);
+        if (!config.line_connectNull) {
+            area = area.defined(function (d) {
+                return d.value !== null;
+            });
+        }
+
+        return function (d) {
+            var values = config.line_connectNull ? $$.filterRemoveNull(d.values) : d.values,
+                x0 = 0,
+                y0 = 0,
+                path;
+            if ($$.isAreaType(d)) {
+                if ($$.isStepType(d)) {
+                    values = $$.convertValuesToStep(values);
+                }
+                path = area.curve($$.getInterpolate(d))(values);
+            } else {
+                if (values[0]) {
+                    x0 = $$.x(values[0].x);
+                    y0 = $$.getYScale(d.id)(values[0].value);
+                }
+                path = config.axis_rotated ? "M " + y0 + " " + x0 : "M " + x0 + " " + y0;
+            }
+            return path ? path : "M 0 0";
+        };
+    };
+    c3_chart_internal_fn.getAreaBaseValue = function () {
+        return 0;
+    };
+    c3_chart_internal_fn.generateGetAreaPoints = function (areaIndices, isSub) {
+        // partial duplication of generateGetBarPoints
+        var $$ = this,
+            config = $$.config,
+            areaTargetsNum = areaIndices.__max__ + 1,
+            x = $$.getShapeX(0, areaTargetsNum, areaIndices, !!isSub),
+            y = $$.getShapeY(!!isSub),
+            areaOffset = $$.getShapeOffset($$.isAreaType, areaIndices, !!isSub),
+            yScale = isSub ? $$.getSubYScale : $$.getYScale;
+        return function (d, i) {
+            var y0 = yScale.call($$, d.id)(0),
+                offset = areaOffset(d, i) || y0,
+                // offset is for stacked area chart
+            posX = x(d),
+                posY = y(d);
+            // fix posY not to overflow opposite quadrant
+            if (config.axis_rotated) {
+                if (0 < d.value && posY < y0 || d.value < 0 && y0 < posY) {
+                    posY = y0;
+                }
+            }
+            // 1 point that marks the area position
+            return [[posX, offset], [posX, posY - (y0 - offset)], [posX, posY - (y0 - offset)], // needed for compatibility
+            [posX, offset] // needed for compatibility
+            ];
+        };
+    };
+
+    c3_chart_internal_fn.updateCircle = function (cx, cy) {
+        var $$ = this;
+        var mainCircle = $$.main.selectAll('.' + CLASS.circles).selectAll('.' + CLASS.circle).data($$.lineOrScatterData.bind($$));
+        var mainCircleEnter = mainCircle.enter().append("circle").attr("class", $$.classCircle.bind($$)).attr("cx", cx).attr("cy", cy).attr("r", $$.pointR.bind($$)).style("fill", $$.color);
+        $$.mainCircle = mainCircleEnter.merge(mainCircle).style("opacity", $$.initialOpacityForCircle.bind($$));
+        mainCircle.exit().style("opacity", 0);
+    };
+    c3_chart_internal_fn.redrawCircle = function (cx, cy, withTransition, transition) {
+        var $$ = this,
+            selectedCircles = $$.main.selectAll('.' + CLASS.selectedCircle);
+        return [(withTransition ? $$.mainCircle.transition(transition) : $$.mainCircle).style('opacity', this.opacityForCircle.bind($$)).style("fill", $$.color).attr("cx", cx).attr("cy", cy), (withTransition ? selectedCircles.transition(transition) : selectedCircles).attr("cx", cx).attr("cy", cy)];
+    };
+    c3_chart_internal_fn.circleX = function (d) {
+        return d.x || d.x === 0 ? this.x(d.x) : null;
+    };
+    c3_chart_internal_fn.updateCircleY = function () {
+        var $$ = this,
+            lineIndices,
+            getPoints;
+        if ($$.config.data_groups.length > 0) {
+            lineIndices = $$.getShapeIndices($$.isLineType), getPoints = $$.generateGetLinePoints(lineIndices);
+            $$.circleY = function (d, i) {
+                return getPoints(d, i)[0][1];
+            };
+        } else {
+            $$.circleY = function (d) {
+                return $$.getYScale(d.id)(d.value);
+            };
+        }
+    };
+    c3_chart_internal_fn.getCircles = function (i, id) {
+        var $$ = this;
+        return (id ? $$.main.selectAll('.' + CLASS.circles + $$.getTargetSelectorSuffix(id)) : $$.main).selectAll('.' + CLASS.circle + (isValue(i) ? '-' + i : ''));
+    };
+    c3_chart_internal_fn.expandCircles = function (i, id, reset) {
+        var $$ = this,
+            r = $$.pointExpandedR.bind($$);
+        if (reset) {
+            $$.unexpandCircles();
+        }
+        $$.getCircles(i, id).classed(CLASS.EXPANDED, true).attr('r', r);
+    };
+    c3_chart_internal_fn.unexpandCircles = function (i) {
+        var $$ = this,
+            r = $$.pointR.bind($$);
+        $$.getCircles(i).filter(function () {
+            return $$.d3.select(this).classed(CLASS.EXPANDED);
+        }).classed(CLASS.EXPANDED, false).attr('r', r);
+    };
+    c3_chart_internal_fn.pointR = function (d) {
+        var $$ = this,
+            config = $$.config;
+        return $$.isStepType(d) ? 0 : isFunction(config.point_r) ? config.point_r(d) : config.point_r;
+    };
+    c3_chart_internal_fn.pointExpandedR = function (d) {
+        var $$ = this,
+            config = $$.config;
+        if (config.point_focus_expand_enabled) {
+            return isFunction(config.point_focus_expand_r) ? config.point_focus_expand_r(d) : config.point_focus_expand_r ? config.point_focus_expand_r : $$.pointR(d) * 1.75;
+        } else {
+            return $$.pointR(d);
+        }
+    };
+    c3_chart_internal_fn.pointSelectR = function (d) {
+        var $$ = this,
+            config = $$.config;
+        return isFunction(config.point_select_r) ? config.point_select_r(d) : config.point_select_r ? config.point_select_r : $$.pointR(d) * 4;
+    };
+    c3_chart_internal_fn.isWithinCircle = function (that, r) {
+        var d3 = this.d3,
+            mouse = d3.mouse(that),
+            d3_this = d3.select(that),
+            cx = +d3_this.attr("cx"),
+            cy = +d3_this.attr("cy");
+        return Math.sqrt(Math.pow(cx - mouse[0], 2) + Math.pow(cy - mouse[1], 2)) < r;
+    };
+    c3_chart_internal_fn.isWithinStep = function (that, y) {
+        return Math.abs(y - this.d3.mouse(that)[1]) < 30;
+    };
+
+    c3_chart_internal_fn.getCurrentWidth = function () {
+        var $$ = this,
+            config = $$.config;
+        return config.size_width ? config.size_width : $$.getParentWidth();
+    };
+    c3_chart_internal_fn.getCurrentHeight = function () {
+        var $$ = this,
+            config = $$.config,
+            h = config.size_height ? config.size_height : $$.getParentHeight();
+        return h > 0 ? h : 320 / ($$.hasType('gauge') && !config.gauge_fullCircle ? 2 : 1);
+    };
+    c3_chart_internal_fn.getCurrentPaddingTop = function () {
+        var $$ = this,
+            config = $$.config,
+            padding = isValue(config.padding_top) ? config.padding_top : 0;
+        if ($$.title && $$.title.node()) {
+            padding += $$.getTitlePadding();
+        }
+        return padding;
+    };
+    c3_chart_internal_fn.getCurrentPaddingBottom = function () {
+        var config = this.config;
+        return isValue(config.padding_bottom) ? config.padding_bottom : 0;
+    };
+    c3_chart_internal_fn.getCurrentPaddingLeft = function (withoutRecompute) {
+        var $$ = this,
+            config = $$.config;
+        if (isValue(config.padding_left)) {
+            return config.padding_left;
+        } else if (config.axis_rotated) {
+            return !config.axis_x_show || config.axis_x_inner ? 1 : Math.max(ceil10($$.getAxisWidthByAxisId('x', withoutRecompute)), 40);
+        } else if (!config.axis_y_show || config.axis_y_inner) {
+            // && !config.axis_rotated
+            return $$.axis.getYAxisLabelPosition().isOuter ? 30 : 1;
+        } else {
+            return ceil10($$.getAxisWidthByAxisId('y', withoutRecompute));
+        }
+    };
+    c3_chart_internal_fn.getCurrentPaddingRight = function () {
+        var $$ = this,
+            config = $$.config,
+            defaultPadding = 10,
+            legendWidthOnRight = $$.isLegendRight ? $$.getLegendWidth() + 20 : 0;
+        if (isValue(config.padding_right)) {
+            return config.padding_right + 1; // 1 is needed not to hide tick line
+        } else if (config.axis_rotated) {
+            return defaultPadding + legendWidthOnRight;
+        } else if (!config.axis_y2_show || config.axis_y2_inner) {
+            // && !config.axis_rotated
+            return 2 + legendWidthOnRight + ($$.axis.getY2AxisLabelPosition().isOuter ? 20 : 0);
+        } else {
+            return ceil10($$.getAxisWidthByAxisId('y2')) + legendWidthOnRight;
+        }
+    };
+
+    c3_chart_internal_fn.getParentRectValue = function (key) {
+        var parent = this.selectChart.node(),
+            v;
+        while (parent && parent.tagName !== 'BODY') {
+            try {
+                v = parent.getBoundingClientRect()[key];
+            } catch (e) {
+                if (key === 'width') {
+                    // In IE in certain cases getBoundingClientRect
+                    // will cause an "unspecified error"
+                    v = parent.offsetWidth;
+                }
+            }
+            if (v) {
+                break;
+            }
+            parent = parent.parentNode;
+        }
+        return v;
+    };
+    c3_chart_internal_fn.getParentWidth = function () {
+        return this.getParentRectValue('width');
+    };
+    c3_chart_internal_fn.getParentHeight = function () {
+        var h = this.selectChart.style('height');
+        return h.indexOf('px') > 0 ? +h.replace('px', '') : 0;
+    };
+
+    c3_chart_internal_fn.getSvgLeft = function (withoutRecompute) {
+        var $$ = this,
+            config = $$.config,
+            hasLeftAxisRect = config.axis_rotated || !config.axis_rotated && !config.axis_y_inner,
+            leftAxisClass = config.axis_rotated ? CLASS.axisX : CLASS.axisY,
+            leftAxis = $$.main.select('.' + leftAxisClass).node(),
+            svgRect = leftAxis && hasLeftAxisRect ? leftAxis.getBoundingClientRect() : { right: 0 },
+            chartRect = $$.selectChart.node().getBoundingClientRect(),
+            hasArc = $$.hasArcType(),
+            svgLeft = svgRect.right - chartRect.left - (hasArc ? 0 : $$.getCurrentPaddingLeft(withoutRecompute));
+        return svgLeft > 0 ? svgLeft : 0;
+    };
+
+    c3_chart_internal_fn.getAxisWidthByAxisId = function (id, withoutRecompute) {
+        var $$ = this,
+            position = $$.axis.getLabelPositionById(id);
+        return $$.axis.getMaxTickWidth(id, withoutRecompute) + (position.isInner ? 20 : 40);
+    };
+    c3_chart_internal_fn.getHorizontalAxisHeight = function (axisId) {
+        var $$ = this,
+            config = $$.config,
+            h = 30;
+        if (axisId === 'x' && !config.axis_x_show) {
+            return 8;
+        }
+        if (axisId === 'x' && config.axis_x_height) {
+            return config.axis_x_height;
+        }
+        if (axisId === 'y' && !config.axis_y_show) {
+            return config.legend_show && !$$.isLegendRight && !$$.isLegendInset ? 10 : 1;
+        }
+        if (axisId === 'y2' && !config.axis_y2_show) {
+            return $$.rotated_padding_top;
+        }
+        // Calculate x axis height when tick rotated
+        if (axisId === 'x' && !config.axis_rotated && config.axis_x_tick_rotate) {
+            h = 30 + $$.axis.getMaxTickWidth(axisId) * Math.cos(Math.PI * (90 - Math.abs(config.axis_x_tick_rotate)) / 180);
+        }
+        // Calculate y axis height when tick rotated
+        if (axisId === 'y' && config.axis_rotated && config.axis_y_tick_rotate) {
+            h = 30 + $$.axis.getMaxTickWidth(axisId) * Math.cos(Math.PI * (90 - Math.abs(config.axis_y_tick_rotate)) / 180);
+        }
+        return h + ($$.axis.getLabelPositionById(axisId).isInner ? 0 : 10) + (axisId === 'y2' ? -10 : 0);
+    };
+
+    c3_chart_internal_fn.initBrush = function (scale) {
+        var $$ = this,
+            d3 = $$.d3;
+        // TODO: dynamically change brushY/brushX according to axis_rotated.
+        $$.brush = ($$.config.axis_rotated ? d3.brushY() : d3.brushX()).on("brush", function () {
+            var event = d3.event.sourceEvent;
+            if (event && event.type === "zoom") {
+                return;
+            }
+            $$.redrawForBrush();
+        }).on("end", function () {
+            var event = d3.event.sourceEvent;
+            if (event && event.type === "zoom") {
+                return;
+            }
+            if ($$.brush.empty() && event && event.type !== 'end') {
+                $$.brush.clear();
+            }
+        });
+        $$.brush.updateExtent = function () {
+            var range = this.scale.range(),
+                extent;
+            if ($$.config.axis_rotated) {
+                extent = [[0, range[0]], [$$.width2, range[1]]];
+            } else {
+                extent = [[range[0], 0], [range[1], $$.height2]];
+            }
+            this.extent(extent);
+            return this;
+        };
+        $$.brush.updateScale = function (scale) {
+            this.scale = scale;
+            return this;
+        };
+        $$.brush.update = function (scale) {
+            this.updateScale(scale || $$.subX).updateExtent();
+            $$.context.select('.' + CLASS.brush).call(this);
+        };
+        $$.brush.clear = function () {
+            $$.context.select('.' + CLASS.brush).call($$.brush.move, null);
+        };
+        $$.brush.selection = function () {
+            return d3.brushSelection($$.context.select('.' + CLASS.brush).node());
+        };
+        $$.brush.selectionAsValue = function (selectionAsValue, withTransition) {
+            var selection, brush;
+            if (selectionAsValue) {
+                if ($$.context) {
+                    selection = [this.scale(selectionAsValue[0]), this.scale(selectionAsValue[1])];
+                    brush = $$.context.select('.' + CLASS.brush);
+                    if (withTransition) {
+                        brush = brush.transition();
+                    }
+                    $$.brush.move(brush, selection);
+                }
+                return [];
+            }
+            selection = $$.brush.selection() || [0, 0];
+            return [this.scale.invert(selection[0]), this.scale.invert(selection[1])];
+        };
+        $$.brush.empty = function () {
+            var selection = $$.brush.selection();
+            return !selection || selection[0] === selection[1];
+        };
+        return $$.brush.updateScale(scale);
+    };
+    c3_chart_internal_fn.initSubchart = function () {
+        var $$ = this,
+            config = $$.config,
+            context = $$.context = $$.svg.append("g").attr("transform", $$.getTranslate('context')),
+            visibility = config.subchart_show ? 'visible' : 'hidden';
+
+        // set style
+        context.style('visibility', visibility);
+
+        // Define g for chart area
+        context.append('g').attr("clip-path", $$.clipPathForSubchart).attr('class', CLASS.chart);
+
+        // Define g for bar chart area
+        context.select('.' + CLASS.chart).append("g").attr("class", CLASS.chartBars);
+
+        // Define g for line chart area
+        context.select('.' + CLASS.chart).append("g").attr("class", CLASS.chartLines);
+
+        // Add extent rect for Brush
+        context.append("g").attr("clip-path", $$.clipPath).attr("class", CLASS.brush);
+
+        // ATTENTION: This must be called AFTER chart added
+        // Add Axis
+        $$.axes.subx = context.append("g").attr("class", CLASS.axisX).attr("transform", $$.getTranslate('subx')).attr("clip-path", config.axis_rotated ? "" : $$.clipPathForXAxis);
+    };
+    c3_chart_internal_fn.initSubchartBrush = function () {
+        var $$ = this;
+        // Add extent rect for Brush
+        $$.initBrush($$.subX).updateExtent();
+        $$.context.select('.' + CLASS.brush).call($$.brush);
+    };
+    c3_chart_internal_fn.updateTargetsForSubchart = function (targets) {
+        var $$ = this,
+            context = $$.context,
+            config = $$.config,
+            contextLineEnter,
+            contextLine,
+            contextBarEnter,
+            contextBar,
+            classChartBar = $$.classChartBar.bind($$),
+            classBars = $$.classBars.bind($$),
+            classChartLine = $$.classChartLine.bind($$),
+            classLines = $$.classLines.bind($$),
+            classAreas = $$.classAreas.bind($$);
+
+        if (config.subchart_show) {
+            //-- Bar --//
+            contextBar = context.select('.' + CLASS.chartBars).selectAll('.' + CLASS.chartBar).data(targets);
+            contextBarEnter = contextBar.enter().append('g').style('opacity', 0);
+            contextBarEnter.merge(contextBar).attr('class', classChartBar);
+            // Bars for each data
+            contextBarEnter.append('g').attr("class", classBars);
+
+            //-- Line --//
+            contextLine = context.select('.' + CLASS.chartLines).selectAll('.' + CLASS.chartLine).data(targets);
+            contextLineEnter = contextLine.enter().append('g').style('opacity', 0);
+            contextLineEnter.merge(contextLine).attr('class', classChartLine);
+            // Lines for each data
+            contextLineEnter.append("g").attr("class", classLines);
+            // Area
+            contextLineEnter.append("g").attr("class", classAreas);
+
+            //-- Brush --//
+            context.selectAll('.' + CLASS.brush + ' rect').attr(config.axis_rotated ? "width" : "height", config.axis_rotated ? $$.width2 : $$.height2);
+        }
+    };
+    c3_chart_internal_fn.updateBarForSubchart = function (durationForExit) {
+        var $$ = this;
+        var contextBar = $$.context.selectAll('.' + CLASS.bars).selectAll('.' + CLASS.bar).data($$.barData.bind($$));
+        var contextBarEnter = contextBar.enter().append('path').attr("class", $$.classBar.bind($$)).style("stroke", 'none').style("fill", $$.color);
+        contextBar.exit().transition().duration(durationForExit).style('opacity', 0).remove();
+        $$.contextBar = contextBarEnter.merge(contextBar).style("opacity", $$.initialOpacity.bind($$));
+    };
+    c3_chart_internal_fn.redrawBarForSubchart = function (drawBarOnSub, withTransition, duration) {
+        (withTransition ? this.contextBar.transition(Math.random().toString()).duration(duration) : this.contextBar).attr('d', drawBarOnSub).style('opacity', 1);
+    };
+    c3_chart_internal_fn.updateLineForSubchart = function (durationForExit) {
+        var $$ = this;
+        var contextLine = $$.context.selectAll('.' + CLASS.lines).selectAll('.' + CLASS.line).data($$.lineData.bind($$));
+        var contextLineEnter = contextLine.enter().append('path').attr('class', $$.classLine.bind($$)).style('stroke', $$.color);
+        contextLine.exit().transition().duration(durationForExit).style('opacity', 0).remove();
+        $$.contextLine = contextLineEnter.merge(contextLine).style("opacity", $$.initialOpacity.bind($$));
+    };
+    c3_chart_internal_fn.redrawLineForSubchart = function (drawLineOnSub, withTransition, duration) {
+        (withTransition ? this.contextLine.transition(Math.random().toString()).duration(duration) : this.contextLine).attr("d", drawLineOnSub).style('opacity', 1);
+    };
+    c3_chart_internal_fn.updateAreaForSubchart = function (durationForExit) {
+        var $$ = this,
+            d3 = $$.d3;
+        var contextArea = $$.context.selectAll('.' + CLASS.areas).selectAll('.' + CLASS.area).data($$.lineData.bind($$));
+        var contextAreaEnter = contextArea.enter().append('path').attr("class", $$.classArea.bind($$)).style("fill", $$.color).style("opacity", function () {
+            $$.orgAreaOpacity = +d3.select(this).style('opacity');return 0;
+        });
+        contextArea.exit().transition().duration(durationForExit).style('opacity', 0).remove();
+        $$.contextArea = contextAreaEnter.merge(contextArea).style("opacity", 0);
+    };
+    c3_chart_internal_fn.redrawAreaForSubchart = function (drawAreaOnSub, withTransition, duration) {
+        (withTransition ? this.contextArea.transition(Math.random().toString()).duration(duration) : this.contextArea).attr("d", drawAreaOnSub).style("fill", this.color).style("opacity", this.orgAreaOpacity);
+    };
+    c3_chart_internal_fn.redrawSubchart = function (withSubchart, transitions, duration, durationForExit, areaIndices, barIndices, lineIndices) {
+        var $$ = this,
+            d3 = $$.d3,
+            config = $$.config,
+            drawAreaOnSub,
+            drawBarOnSub,
+            drawLineOnSub;
+
+        $$.context.style('visibility', config.subchart_show ? 'visible' : 'hidden');
+
+        // subchart
+        if (config.subchart_show) {
+            // reflect main chart to extent on subchart if zoomed
+            if (d3.event && d3.event.type === 'zoom') {
+                $$.brush.selectionAsValue($$.x.orgDomain());
+            }
+            // update subchart elements if needed
+            if (withSubchart) {
+                // extent rect
+                if (!$$.brush.empty()) {
+                    $$.brush.selectionAsValue($$.x.orgDomain());
+                }
+                // setup drawer - MEMO: this must be called after axis updated
+                drawAreaOnSub = $$.generateDrawArea(areaIndices, true);
+                drawBarOnSub = $$.generateDrawBar(barIndices, true);
+                drawLineOnSub = $$.generateDrawLine(lineIndices, true);
+
+                $$.updateBarForSubchart(duration);
+                $$.updateLineForSubchart(duration);
+                $$.updateAreaForSubchart(duration);
+
+                $$.redrawBarForSubchart(drawBarOnSub, duration, duration);
+                $$.redrawLineForSubchart(drawLineOnSub, duration, duration);
+                $$.redrawAreaForSubchart(drawAreaOnSub, duration, duration);
+            }
+        }
+    };
+    c3_chart_internal_fn.redrawForBrush = function () {
+        var $$ = this,
+            x = $$.x,
+            d3 = $$.d3,
+            s;
+        $$.redraw({
+            withTransition: false,
+            withY: $$.config.zoom_rescale,
+            withSubchart: false,
+            withUpdateXDomain: true,
+            withEventRect: false,
+            withDimension: false
+        });
+        // update zoom transation binded to event rect
+        s = d3.event.selection || $$.brush.scale.range();
+        $$.main.select('.' + CLASS.eventRect).call($$.zoom.transform, d3.zoomIdentity.scale($$.width / (s[1] - s[0])).translate(-s[0], 0));
+        $$.config.subchart_onbrush.call($$.api, x.orgDomain());
+    };
+    c3_chart_internal_fn.transformContext = function (withTransition, transitions) {
+        var $$ = this,
+            subXAxis;
+        if (transitions && transitions.axisSubX) {
+            subXAxis = transitions.axisSubX;
+        } else {
+            subXAxis = $$.context.select('.' + CLASS.axisX);
+            if (withTransition) {
+                subXAxis = subXAxis.transition();
+            }
+        }
+        $$.context.attr("transform", $$.getTranslate('context'));
+        subXAxis.attr("transform", $$.getTranslate('subx'));
+    };
+    c3_chart_internal_fn.getDefaultSelection = function () {
+        var $$ = this,
+            config = $$.config,
+            selection = isFunction(config.axis_x_selection) ? config.axis_x_selection($$.getXDomain($$.data.targets)) : config.axis_x_selection;
+        if ($$.isTimeSeries()) {
+            selection = [$$.parseDate(selection[0]), $$.parseDate(selection[1])];
+        }
+        return selection;
+    };
+
+    c3_chart_internal_fn.initText = function () {
+        var $$ = this;
+        $$.main.select('.' + CLASS.chart).append("g").attr("class", CLASS.chartTexts);
+        $$.mainText = $$.d3.selectAll([]);
+    };
+    c3_chart_internal_fn.updateTargetsForText = function (targets) {
+        var $$ = this,
+            classChartText = $$.classChartText.bind($$),
+            classTexts = $$.classTexts.bind($$),
+            classFocus = $$.classFocus.bind($$);
+        var mainText = $$.main.select('.' + CLASS.chartTexts).selectAll('.' + CLASS.chartText).data(targets);
+        var mainTextEnter = mainText.enter().append('g').attr('class', classChartText).style('opacity', 0).style("pointer-events", "none");
+        mainTextEnter.append('g').attr('class', classTexts);
+        mainTextEnter.merge(mainText).attr('class', function (d) {
+            return classChartText(d) + classFocus(d);
+        });
+    };
+    c3_chart_internal_fn.updateText = function (xForText, yForText, durationForExit) {
+        var $$ = this,
+            config = $$.config,
+            barOrLineData = $$.barOrLineData.bind($$),
+            classText = $$.classText.bind($$);
+        var mainText = $$.main.selectAll('.' + CLASS.texts).selectAll('.' + CLASS.text).data(barOrLineData);
+        var mainTextEnter = mainText.enter().append('text').attr("class", classText).attr('text-anchor', function (d) {
+            return config.axis_rotated ? d.value < 0 ? 'end' : 'start' : 'middle';
+        }).style("stroke", 'none').attr('x', xForText).attr('y', yForText).style("fill", function (d) {
+            return $$.color(d);
+        }).style("fill-opacity", 0);
+        $$.mainText = mainTextEnter.merge(mainText).text(function (d, i, j) {
+            return $$.dataLabelFormat(d.id)(d.value, d.id, i, j);
+        });
+        mainText.exit().transition().duration(durationForExit).style('fill-opacity', 0).remove();
+    };
+    c3_chart_internal_fn.redrawText = function (xForText, yForText, forFlow, withTransition, transition) {
+        return [(withTransition ? this.mainText.transition(transition) : this.mainText).attr('x', xForText).attr('y', yForText).style("fill", this.color).style("fill-opacity", forFlow ? 0 : this.opacityForText.bind(this))];
+    };
+    c3_chart_internal_fn.getTextRect = function (text, cls, element) {
+        var dummy = this.d3.select('body').append('div').classed('c3', true),
+            svg = dummy.append("svg").style('visibility', 'hidden').style('position', 'fixed').style('top', 0).style('left', 0),
+            font = this.d3.select(element).style('font'),
+            rect;
+        svg.selectAll('.dummy').data([text]).enter().append('text').classed(cls ? cls : "", true).style('font', font).text(text).each(function () {
+            rect = this.getBoundingClientRect();
+        });
+        dummy.remove();
+        return rect;
+    };
+    c3_chart_internal_fn.generateXYForText = function (areaIndices, barIndices, lineIndices, forX) {
+        var $$ = this,
+            getAreaPoints = $$.generateGetAreaPoints(areaIndices, false),
+            getBarPoints = $$.generateGetBarPoints(barIndices, false),
+            getLinePoints = $$.generateGetLinePoints(lineIndices, false),
+            getter = forX ? $$.getXForText : $$.getYForText;
+        return function (d, i) {
+            var getPoints = $$.isAreaType(d) ? getAreaPoints : $$.isBarType(d) ? getBarPoints : getLinePoints;
+            return getter.call($$, getPoints(d, i), d, this);
+        };
+    };
+    c3_chart_internal_fn.getXForText = function (points, d, textElement) {
+        var $$ = this,
+            box = textElement.getBoundingClientRect(),
+            xPos,
+            padding;
+        if ($$.config.axis_rotated) {
+            padding = $$.isBarType(d) ? 4 : 6;
+            xPos = points[2][1] + padding * (d.value < 0 ? -1 : 1);
+        } else {
+            xPos = $$.hasType('bar') ? (points[2][0] + points[0][0]) / 2 : points[0][0];
+        }
+        // show labels regardless of the domain if value is null
+        if (d.value === null) {
+            if (xPos > $$.width) {
+                xPos = $$.width - box.width;
+            } else if (xPos < 0) {
+                xPos = 4;
+            }
+        }
+        return xPos;
+    };
+    c3_chart_internal_fn.getYForText = function (points, d, textElement) {
+        var $$ = this,
+            box = textElement.getBoundingClientRect(),
+            yPos;
+        if ($$.config.axis_rotated) {
+            yPos = (points[0][0] + points[2][0] + box.height * 0.6) / 2;
+        } else {
+            yPos = points[2][1];
+            if (d.value < 0 || d.value === 0 && !$$.hasPositiveValue) {
+                yPos += box.height;
+                if ($$.isBarType(d) && $$.isSafari()) {
+                    yPos -= 3;
+                } else if (!$$.isBarType(d) && $$.isChrome()) {
+                    yPos += 3;
+                }
+            } else {
+                yPos += $$.isBarType(d) ? -3 : -6;
+            }
+        }
+        // show labels regardless of the domain if value is null
+        if (d.value === null && !$$.config.axis_rotated) {
+            if (yPos < box.height) {
+                yPos = box.height;
+            } else if (yPos > this.height) {
+                yPos = this.height - 4;
+            }
+        }
+        return yPos;
+    };
+
+    c3_chart_internal_fn.initTitle = function () {
+        var $$ = this;
+        $$.title = $$.svg.append("text").text($$.config.title_text).attr("class", $$.CLASS.title);
+    };
+    c3_chart_internal_fn.redrawTitle = function () {
+        var $$ = this;
+        $$.title.attr("x", $$.xForTitle.bind($$)).attr("y", $$.yForTitle.bind($$));
+    };
+    c3_chart_internal_fn.xForTitle = function () {
+        var $$ = this,
+            config = $$.config,
+            position = config.title_position || 'left',
+            x;
+        if (position.indexOf('right') >= 0) {
+            x = $$.currentWidth - $$.getTextRect($$.title.node().textContent, $$.CLASS.title, $$.title.node()).width - config.title_padding.right;
+        } else if (position.indexOf('center') >= 0) {
+            x = ($$.currentWidth - $$.getTextRect($$.title.node().textContent, $$.CLASS.title, $$.title.node()).width) / 2;
+        } else {
+            // left
+            x = config.title_padding.left;
+        }
+        return x;
+    };
+    c3_chart_internal_fn.yForTitle = function () {
+        var $$ = this;
+        return $$.config.title_padding.top + $$.getTextRect($$.title.node().textContent, $$.CLASS.title, $$.title.node()).height;
+    };
+    c3_chart_internal_fn.getTitlePadding = function () {
+        var $$ = this;
+        return $$.yForTitle() + $$.config.title_padding.bottom;
+    };
+
+    c3_chart_internal_fn.initTooltip = function () {
+        var $$ = this,
+            config = $$.config,
+            i;
+        $$.tooltip = $$.selectChart.style("position", "relative").append("div").attr('class', CLASS.tooltipContainer).style("position", "absolute").style("pointer-events", "none").style("display", "none");
+        // Show tooltip if needed
+        if (config.tooltip_init_show) {
+            if ($$.isTimeSeries() && isString(config.tooltip_init_x)) {
+                config.tooltip_init_x = $$.parseDate(config.tooltip_init_x);
+                for (i = 0; i < $$.data.targets[0].values.length; i++) {
+                    if ($$.data.targets[0].values[i].x - config.tooltip_init_x === 0) {
+                        break;
+                    }
+                }
+                config.tooltip_init_x = i;
+            }
+            $$.tooltip.html(config.tooltip_contents.call($$, $$.data.targets.map(function (d) {
+                return $$.addName(d.values[config.tooltip_init_x]);
+            }), $$.axis.getXAxisTickFormat(), $$.getYFormat($$.hasArcType()), $$.color));
+            $$.tooltip.style("top", config.tooltip_init_position.top).style("left", config.tooltip_init_position.left).style("display", "block");
+        }
+    };
+    c3_chart_internal_fn.getTooltipSortFunction = function () {
+        var $$ = this,
+            config = $$.config;
+
+        if (config.data_groups.length === 0 || config.tooltip_order !== undefined) {
+            // if data are not grouped or if an order is specified
+            // for the tooltip values we sort them by their values
+
+            var order = config.tooltip_order;
+            if (order === undefined) {
+                order = config.data_order;
+            }
+
+            var valueOf = function valueOf(obj) {
+                return obj ? obj.value : null;
+            };
+
+            // if data are not grouped, we sort them by their value
+            if (isString(order) && order.toLowerCase() === 'asc') {
+                return function (a, b) {
+                    return valueOf(a) - valueOf(b);
+                };
+            } else if (isString(order) && order.toLowerCase() === 'desc') {
+                return function (a, b) {
+                    return valueOf(b) - valueOf(a);
+                };
+            } else if (isFunction(order)) {
+
+                // if the function is from data_order we need
+                // to wrap the returned function in order to format
+                // the sorted value to the expected format
+
+                var sortFunction = order;
+
+                if (config.tooltip_order === undefined) {
+                    sortFunction = function sortFunction(a, b) {
+                        return order(a ? {
+                            id: a.id,
+                            values: [a]
+                        } : null, b ? {
+                            id: b.id,
+                            values: [b]
+                        } : null);
+                    };
+                }
+
+                return sortFunction;
+            } else if (isArray(order)) {
+                return function (a, b) {
+                    return order.indexOf(a.id) - order.indexOf(b.id);
+                };
+            }
+        } else {
+            // if data are grouped, we follow the order of grouped targets
+            var ids = $$.orderTargets($$.data.targets).map(function (i) {
+                return i.id;
+            });
+
+            // if it was either asc or desc we need to invert the order
+            // returned by orderTargets
+            if ($$.isOrderAsc() || $$.isOrderDesc()) {
+                ids = ids.reverse();
+            }
+
+            return function (a, b) {
+                return ids.indexOf(a.id) - ids.indexOf(b.id);
+            };
+        }
+    };
+    c3_chart_internal_fn.getTooltipContent = function (d, defaultTitleFormat, defaultValueFormat, color) {
+        var $$ = this,
+            config = $$.config,
+            titleFormat = config.tooltip_format_title || defaultTitleFormat,
+            nameFormat = config.tooltip_format_name || function (name) {
+            return name;
+        },
+            valueFormat = config.tooltip_format_value || defaultValueFormat,
+            text,
+            i,
+            title,
+            value,
+            name,
+            bgcolor;
+
+        var tooltipSortFunction = this.getTooltipSortFunction();
+        if (tooltipSortFunction) {
+            d.sort(tooltipSortFunction);
+        }
+
+        for (i = 0; i < d.length; i++) {
+            if (!(d[i] && (d[i].value || d[i].value === 0))) {
+                continue;
+            }
+
+            if (!text) {
+                title = sanitise(titleFormat ? titleFormat(d[i].x) : d[i].x);
+                text = "<table class='" + $$.CLASS.tooltip + "'>" + (title || title === 0 ? "<tr><th colspan='2'>" + title + "</th></tr>" : "");
+            }
+
+            value = sanitise(valueFormat(d[i].value, d[i].ratio, d[i].id, d[i].index, d));
+            if (value !== undefined) {
+                // Skip elements when their name is set to null
+                if (d[i].name === null) {
+                    continue;
+                }
+                name = sanitise(nameFormat(d[i].name, d[i].ratio, d[i].id, d[i].index));
+                bgcolor = $$.levelColor ? $$.levelColor(d[i].value) : color(d[i].id);
+
+                text += "<tr class='" + $$.CLASS.tooltipName + "-" + $$.getTargetSelectorSuffix(d[i].id) + "'>";
+                text += "<td class='name'><span style='background-color:" + bgcolor + "'></span>" + name + "</td>";
+                text += "<td class='value'>" + value + "</td>";
+                text += "</tr>";
+            }
+        }
+        return text + "</table>";
+    };
+    c3_chart_internal_fn.tooltipPosition = function (dataToShow, tWidth, tHeight, element) {
+        var $$ = this,
+            config = $$.config,
+            d3 = $$.d3;
+        var svgLeft, tooltipLeft, tooltipRight, tooltipTop, chartRight;
+        var forArc = $$.hasArcType(),
+            mouse = d3.mouse(element);
+        // Determin tooltip position
+        if (forArc) {
+            tooltipLeft = ($$.width - ($$.isLegendRight ? $$.getLegendWidth() : 0)) / 2 + mouse[0];
+            tooltipTop = ($$.hasType('gauge') ? $$.height : $$.height / 2) + mouse[1] + 20;
+        } else {
+            svgLeft = $$.getSvgLeft(true);
+            if (config.axis_rotated) {
+                tooltipLeft = svgLeft + mouse[0] + 100;
+                tooltipRight = tooltipLeft + tWidth;
+                chartRight = $$.currentWidth - $$.getCurrentPaddingRight();
+                tooltipTop = $$.x(dataToShow[0].x) + 20;
+            } else {
+                tooltipLeft = svgLeft + $$.getCurrentPaddingLeft(true) + $$.x(dataToShow[0].x) + 20;
+                tooltipRight = tooltipLeft + tWidth;
+                chartRight = svgLeft + $$.currentWidth - $$.getCurrentPaddingRight();
+                tooltipTop = mouse[1] + 15;
+            }
+
+            if (tooltipRight > chartRight) {
+                // 20 is needed for Firefox to keep tooltip width
+                tooltipLeft -= tooltipRight - chartRight + 20;
+            }
+            if (tooltipTop + tHeight > $$.currentHeight) {
+                tooltipTop -= tHeight + 30;
+            }
+        }
+        if (tooltipTop < 0) {
+            tooltipTop = 0;
+        }
+        return { top: tooltipTop, left: tooltipLeft };
+    };
+    c3_chart_internal_fn.showTooltip = function (selectedData, element) {
+        var $$ = this,
+            config = $$.config;
+        var tWidth, tHeight, position;
+        var forArc = $$.hasArcType(),
+            dataToShow = selectedData.filter(function (d) {
+            return d && isValue(d.value);
+        }),
+            positionFunction = config.tooltip_position || c3_chart_internal_fn.tooltipPosition;
+        if (dataToShow.length === 0 || !config.tooltip_show) {
+            return;
+        }
+        $$.tooltip.html(config.tooltip_contents.call($$, selectedData, $$.axis.getXAxisTickFormat(), $$.getYFormat(forArc), $$.color)).style("display", "block");
+
+        // Get tooltip dimensions
+        tWidth = $$.tooltip.property('offsetWidth');
+        tHeight = $$.tooltip.property('offsetHeight');
+
+        position = positionFunction.call(this, dataToShow, tWidth, tHeight, element);
+        // Set tooltip
+        $$.tooltip.style("top", position.top + "px").style("left", position.left + 'px');
+    };
+    c3_chart_internal_fn.hideTooltip = function () {
+        this.tooltip.style("display", "none");
+    };
+
+    c3_chart_internal_fn.setTargetType = function (targetIds, type) {
+        var $$ = this,
+            config = $$.config;
+        $$.mapToTargetIds(targetIds).forEach(function (id) {
+            $$.withoutFadeIn[id] = type === config.data_types[id];
+            config.data_types[id] = type;
+        });
+        if (!targetIds) {
+            config.data_type = type;
+        }
+    };
+    c3_chart_internal_fn.hasType = function (type, targets) {
+        var $$ = this,
+            types = $$.config.data_types,
+            has = false;
+        targets = targets || $$.data.targets;
+        if (targets && targets.length) {
+            targets.forEach(function (target) {
+                var t = types[target.id];
+                if (t && t.indexOf(type) >= 0 || !t && type === 'line') {
+                    has = true;
+                }
+            });
+        } else if (Object.keys(types).length) {
+            Object.keys(types).forEach(function (id) {
+                if (types[id] === type) {
+                    has = true;
+                }
+            });
+        } else {
+            has = $$.config.data_type === type;
+        }
+        return has;
+    };
+    c3_chart_internal_fn.hasArcType = function (targets) {
+        return this.hasType('pie', targets) || this.hasType('donut', targets) || this.hasType('gauge', targets);
+    };
+    c3_chart_internal_fn.isLineType = function (d) {
+        var config = this.config,
+            id = isString(d) ? d : d.id;
+        return !config.data_types[id] || ['line', 'spline', 'area', 'area-spline', 'step', 'area-step'].indexOf(config.data_types[id]) >= 0;
+    };
+    c3_chart_internal_fn.isStepType = function (d) {
+        var id = isString(d) ? d : d.id;
+        return ['step', 'area-step'].indexOf(this.config.data_types[id]) >= 0;
+    };
+    c3_chart_internal_fn.isSplineType = function (d) {
+        var id = isString(d) ? d : d.id;
+        return ['spline', 'area-spline'].indexOf(this.config.data_types[id]) >= 0;
+    };
+    c3_chart_internal_fn.isAreaType = function (d) {
+        var id = isString(d) ? d : d.id;
+        return ['area', 'area-spline', 'area-step'].indexOf(this.config.data_types[id]) >= 0;
+    };
+    c3_chart_internal_fn.isBarType = function (d) {
+        var id = isString(d) ? d : d.id;
+        return this.config.data_types[id] === 'bar';
+    };
+    c3_chart_internal_fn.isScatterType = function (d) {
+        var id = isString(d) ? d : d.id;
+        return this.config.data_types[id] === 'scatter';
+    };
+    c3_chart_internal_fn.isPieType = function (d) {
+        var id = isString(d) ? d : d.id;
+        return this.config.data_types[id] === 'pie';
+    };
+    c3_chart_internal_fn.isGaugeType = function (d) {
+        var id = isString(d) ? d : d.id;
+        return this.config.data_types[id] === 'gauge';
+    };
+    c3_chart_internal_fn.isDonutType = function (d) {
+        var id = isString(d) ? d : d.id;
+        return this.config.data_types[id] === 'donut';
+    };
+    c3_chart_internal_fn.isArcType = function (d) {
+        return this.isPieType(d) || this.isDonutType(d) || this.isGaugeType(d);
+    };
+    c3_chart_internal_fn.lineData = function (d) {
+        return this.isLineType(d) ? [d] : [];
+    };
+    c3_chart_internal_fn.arcData = function (d) {
+        return this.isArcType(d.data) ? [d] : [];
+    };
+    /* not used
+     function scatterData(d) {
+     return isScatterType(d) ? d.values : [];
+     }
+     */
+    c3_chart_internal_fn.barData = function (d) {
+        return this.isBarType(d) ? d.values : [];
+    };
+    c3_chart_internal_fn.lineOrScatterData = function (d) {
+        return this.isLineType(d) || this.isScatterType(d) ? d.values : [];
+    };
+    c3_chart_internal_fn.barOrLineData = function (d) {
+        return this.isBarType(d) || this.isLineType(d) ? d.values : [];
+    };
+
+    c3_chart_internal_fn.isSafari = function () {
+        var ua = window.navigator.userAgent;
+        return ua.indexOf('Safari') >= 0 && ua.indexOf('Chrome') < 0;
+    };
+    c3_chart_internal_fn.isChrome = function () {
+        var ua = window.navigator.userAgent;
+        return ua.indexOf('Chrome') >= 0;
+    };
+
+    c3_chart_internal_fn.initZoom = function () {
+        var $$ = this,
+            d3 = $$.d3,
+            config = $$.config,
+            startEvent;
+
+        $$.zoom = d3.zoom().on("start", function () {
+            var e = d3.event.sourceEvent;
+            if (e && e.type === "brush") {
+                return;
+            }
+            startEvent = e;
+            config.zoom_onzoomstart.call($$.api, e);
+        }).on("zoom", function () {
+            var e = d3.event.sourceEvent;
+            if (e && e.type === "brush") {
+                return;
+            }
+            $$.redrawForZoom.call($$);
+        }).on('end', function () {
+            var e = d3.event.sourceEvent;
+            if (e && e.type === "brush") {
+                return;
+            }
+            // if click, do nothing. otherwise, click interaction will be canceled.
+            if (e && startEvent.clientX === e.clientX && startEvent.clientY === e.clientY) {
+                return;
+            }
+            config.zoom_onzoomend.call($$.api, $$.x.orgDomain());
+        });
+
+        $$.zoom.updateDomain = function () {
+            if (d3.event && d3.event.transform) {
+                $$.x.domain(d3.event.transform.rescaleX($$.subX).domain());
+            }
+            return this;
+        };
+        $$.zoom.updateExtent = function () {
+            this.scaleExtent([1, Infinity]).translateExtent([[0, 0], [$$.width, $$.height]]).extent([[0, 0], [$$.width, $$.height]]);
+            return this;
+        };
+        $$.zoom.update = function () {
+            return this.updateExtent().updateDomain();
+        };
+
+        return $$.zoom.updateExtent();
+    };
+    c3_chart_internal_fn.zoomTransform = function (range) {
+        var $$ = this,
+            s = [$$.x(range[0]), $$.x(range[1])];
+        return $$.d3.zoomIdentity.scale($$.width / (s[1] - s[0])).translate(-s[0], 0);
+    };
+
+    c3_chart_internal_fn.getZoomDomain = function () {
+        var $$ = this,
+            config = $$.config,
+            d3 = $$.d3,
+            min = d3.min([$$.orgXDomain[0], config.zoom_x_min]),
+            max = d3.max([$$.orgXDomain[1], config.zoom_x_max]);
+        return [min, max];
+    };
+    c3_chart_internal_fn.redrawForZoom = function () {
+        var $$ = this,
+            d3 = $$.d3,
+            config = $$.config,
+            zoom = $$.zoom,
+            x = $$.x;
+        if (!config.zoom_enabled) {
+            return;
+        }
+        if ($$.filterTargetsToShow($$.data.targets).length === 0) {
+            return;
+        }
+
+        zoom.update();
+
+        if ($$.isCategorized() && x.orgDomain()[0] === $$.orgXDomain[0]) {
+            x.domain([$$.orgXDomain[0] - 1e-10, x.orgDomain()[1]]);
+        }
+        $$.redraw({
+            withTransition: false,
+            withY: config.zoom_rescale,
+            withSubchart: false,
+            withEventRect: false,
+            withDimension: false
+        });
+        if (d3.event.sourceEvent && d3.event.sourceEvent.type === 'mousemove') {
+            $$.cancelClick = true;
+        }
+        config.zoom_onzoom.call($$.api, x.orgDomain());
+    };
+
+    return c3;
+
+})));
diff --git a/web/static/c3.min.css b/web/static/c3.min.css
new file mode 100644 (file)
index 0000000..3162ac8
--- /dev/null
@@ -0,0 +1 @@
+.c3 svg{font:10px sans-serif;-webkit-tap-highlight-color:transparent}.c3 line,.c3 path{fill:none;stroke:#000}.c3 text{-webkit-user-select:none;-moz-user-select:none;user-select:none}.c3-bars path,.c3-event-rect,.c3-legend-item-tile,.c3-xgrid-focus,.c3-ygrid{shape-rendering:crispEdges}.c3-chart-arc path{stroke:#fff}.c3-chart-arc rect{stroke:#fff;stroke-width:1}.c3-chart-arc text{fill:#fff;font-size:13px}.c3-grid line{stroke:#aaa}.c3-grid text{fill:#aaa}.c3-xgrid,.c3-ygrid{stroke-dasharray:3 3}.c3-text.c3-empty{fill:grey;font-size:2em}.c3-line{stroke-width:1px}.c3-circle._expanded_{stroke-width:1px;stroke:#fff}.c3-selected-circle{fill:#fff;stroke-width:2px}.c3-bar{stroke-width:0}.c3-bar._expanded_{fill-opacity:1;fill-opacity:.75}.c3-target.c3-focused{opacity:1}.c3-target.c3-focused path.c3-line,.c3-target.c3-focused path.c3-step{stroke-width:2px}.c3-target.c3-defocused{opacity:.3!important}.c3-region{fill:#4682b4;fill-opacity:.1}.c3-brush .extent{fill-opacity:.1}.c3-legend-item{font-size:12px}.c3-legend-item-hidden{opacity:.15}.c3-legend-background{opacity:.75;fill:#fff;stroke:#d3d3d3;stroke-width:1}.c3-title{font:14px sans-serif}.c3-tooltip-container{z-index:10}.c3-tooltip{border-collapse:collapse;border-spacing:0;background-color:#fff;empty-cells:show;-webkit-box-shadow:7px 7px 12px -9px #777;-moz-box-shadow:7px 7px 12px -9px #777;box-shadow:7px 7px 12px -9px #777;opacity:.9}.c3-tooltip tr{border:1px solid #ccc}.c3-tooltip th{background-color:#aaa;font-size:14px;padding:2px 5px;text-align:left;color:#fff}.c3-tooltip td{font-size:13px;padding:3px 6px;background-color:#fff;border-left:1px dotted #999}.c3-tooltip td>span{display:inline-block;width:10px;height:10px;margin-right:6px}.c3-tooltip td.value{text-align:right}.c3-area{stroke-width:0;opacity:.2}.c3-chart-arcs-title{dominant-baseline:middle;font-size:1.3em}.c3-chart-arcs .c3-chart-arcs-background{fill:#e0e0e0;stroke:#fff}.c3-chart-arcs .c3-chart-arcs-gauge-unit{fill:#000;font-size:16px}.c3-chart-arcs .c3-chart-arcs-gauge-max{fill:#777}.c3-chart-arcs .c3-chart-arcs-gauge-min{fill:#777}.c3-chart-arc .c3-gauge-value{fill:#000}.c3-chart-arc.c3-target g path{opacity:1}.c3-chart-arc.c3-target.c3-focused g path{opacity:1}
\ No newline at end of file
diff --git a/web/static/c3.min.js b/web/static/c3.min.js
new file mode 100644 (file)
index 0000000..bf38311
--- /dev/null
@@ -0,0 +1,2 @@
+/* @license C3.js v0.6.1 | (c) C3 Team and other contributors | http://c3js.org/ */
+!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?module.exports=e():"function"==typeof define&&define.amd?define(e):t.c3=e()}(this,function(){"use strict";var t,e,i={target:"c3-target",chart:"c3-chart",chartLine:"c3-chart-line",chartLines:"c3-chart-lines",chartBar:"c3-chart-bar",chartBars:"c3-chart-bars",chartText:"c3-chart-text",chartTexts:"c3-chart-texts",chartArc:"c3-chart-arc",chartArcs:"c3-chart-arcs",chartArcsTitle:"c3-chart-arcs-title",chartArcsBackground:"c3-chart-arcs-background",chartArcsGaugeUnit:"c3-chart-arcs-gauge-unit",chartArcsGaugeMax:"c3-chart-arcs-gauge-max",chartArcsGaugeMin:"c3-chart-arcs-gauge-min",selectedCircle:"c3-selected-circle",selectedCircles:"c3-selected-circles",eventRect:"c3-event-rect",eventRects:"c3-event-rects",eventRectsSingle:"c3-event-rects-single",eventRectsMultiple:"c3-event-rects-multiple",zoomRect:"c3-zoom-rect",brush:"c3-brush",focused:"c3-focused",defocused:"c3-defocused",region:"c3-region",regions:"c3-regions",title:"c3-title",tooltipContainer:"c3-tooltip-container",tooltip:"c3-tooltip",tooltipName:"c3-tooltip-name",shape:"c3-shape",shapes:"c3-shapes",line:"c3-line",lines:"c3-lines",bar:"c3-bar",bars:"c3-bars",circle:"c3-circle",circles:"c3-circles",arc:"c3-arc",arcLabelLine:"c3-arc-label-line",arcs:"c3-arcs",area:"c3-area",areas:"c3-areas",empty:"c3-empty",text:"c3-text",texts:"c3-texts",gaugeValue:"c3-gauge-value",grid:"c3-grid",gridLines:"c3-grid-lines",xgrid:"c3-xgrid",xgrids:"c3-xgrids",xgridLine:"c3-xgrid-line",xgridLines:"c3-xgrid-lines",xgridFocus:"c3-xgrid-focus",ygrid:"c3-ygrid",ygrids:"c3-ygrids",ygridLine:"c3-ygrid-line",ygridLines:"c3-ygrid-lines",axis:"c3-axis",axisX:"c3-axis-x",axisXLabel:"c3-axis-x-label",axisY:"c3-axis-y",axisYLabel:"c3-axis-y-label",axisY2:"c3-axis-y2",axisY2Label:"c3-axis-y2-label",legendBackground:"c3-legend-background",legendItem:"c3-legend-item",legendItemEvent:"c3-legend-item-event",legendItemTile:"c3-legend-item-tile",legendItemHidden:"c3-legend-item-hidden",legendItemFocused:"c3-legend-item-focused",dragarea:"c3-dragarea",EXPANDED:"_expanded_",SELECTED:"_selected_",INCLUDED:"_included_"},n="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t},a=function(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")},r=function(t,e){if(!t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!e||"object"!=typeof e&&"function"!=typeof e?t:e},s=function(t){return t||0===t},o=function(t){return"function"==typeof t},c=function(t){return Array.isArray(t)},d=function(t){return"string"==typeof t},u=function(t){return void 0===t},l=function(t){return void 0!==t},h=function(t){return 10*Math.ceil(t/10)},g=function(t){return Math.ceil(t)+.5},f=function(t){return t[1]-t[0]},p=function(t){return null==t||d(t)&&0===t.length||"object"===(void 0===t?"undefined":n(t))&&0===Object.keys(t).length},_=function(t){return!T.isEmpty(t)},x=function(t,e,i){return l(t[e])?t[e]:i},y=function(t,e){var i=!1;return Object.keys(t).forEach(function(n){t[n]===e&&(i=!0)}),i},m=function(t){return"string"==typeof t?t.replace(/</g,"&lt;").replace(/>/g,"&gt;"):t},S=function(t){var e=t.getBoundingClientRect(),i=[t.pathSegList.getItem(0),t.pathSegList.getItem(1)];return{x:i[0].x,y:Math.min(i[0].y,i[1].y),width:e.width,height:e.height}};function w(t,e){var i=this;i.component=t,i.params=e||{},i.d3=t.d3,i.scale=i.d3.scaleLinear(),i.range,i.orient="bottom",i.innerTickSize=6,i.outerTickSize=this.params.withOuterTick?6:0,i.tickPadding=3,i.tickValues=null,i.tickFormat,i.tickArguments,i.tickOffset=0,i.tickCulling=!0,i.tickCentered,i.tickTextCharSize,i.tickTextRotate=i.params.tickTextRotate,i.tickLength,i.axis=i.generateAxis()}(e=w.prototype).axisX=function(t,e,i){t.attr("transform",function(t){return"translate("+Math.ceil(e(t)+i)+", 0)"})},e.axisY=function(t,e){t.attr("transform",function(t){return"translate(0,"+Math.ceil(e(t))+")"})},e.scaleExtent=function(t){var e=t[0],i=t[t.length-1];return e<i?[e,i]:[i,e]},e.generateTicks=function(t){var e,i,n=[];if(t.ticks)return t.ticks.apply(t,this.tickArguments);for(i=t.domain(),e=Math.ceil(i[0]);e<i[1];e++)n.push(e);return n.length>0&&n[0]>0&&n.unshift(n[0]-(n[1]-n[0])),n},e.copyScale=function(){var t,e=this.scale.copy();return this.params.isCategory&&(t=this.scale.domain(),e.domain([t[0],t[1]-1])),e},e.textFormatted=function(t){var e=this.tickFormat?this.tickFormat(t):t;return void 0!==e?e:""},e.updateRange=function(){var t=this;return t.range=t.scale.rangeExtent?t.scale.rangeExtent():t.scaleExtent(t.scale.range()),t.range},e.updateTickTextCharSize=function(t){var e=this;if(e.tickTextCharSize)return e.tickTextCharSize;var i={h:11.5,w:5.5};return t.select("text").text(function(t){return e.textFormatted(t)}).each(function(t){var n=this.getBoundingClientRect(),a=e.textFormatted(t),r=n.height,s=a?n.width/a.le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(){return t.tickOffset},n.tickInterval=function(){var e;return(e=i.isCategory?2*t.tickOffset:(n.g.select("path.domain").node().getTotalLength()-2*t.outerTickSize)/n.g.selectAll("line").size())===1/0?0:e},n.ticks=function(){return arguments.length?(t.tickArguments=arguments,n):t.tickArguments},n.tickCulling=function(e){return arguments.length?(t.tickCulling=e,n):t.tickCulling},n.tickValues=function(e){if("function"==typeof e)t.tickValues=function(){return e(t.scale.domain())};else{if(!arguments.length)return t.tickValues;t.tickValues=e}return n},n};var v=function(i){function n(i){a(this,n);var s={fn:t,internal:{fn:e}},o=r(this,(n.__proto__||Object.getPrototypeOf(n)).call(this,i,"axis",s));return o.d3=i.d3,o.internal=w,o}return function(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function, not "+typeof e);t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,enumerable:!1,writable:!0,configurable:!0}}),e&&(Object.setPrototypeOf?Object.setPrototypeOf(t,e):t.__proto__=e)}(n,P),n}();(t=v.prototype).init=function(){var t=this.owner,e=t.config,n=t.main;t.axes.x=n.append("g").attr("class",i.axis+" "+i.axisX).attr("clip-path",e.axis_x_inner?"":t.clipPathForXAxis).attr("transform",t.getTranslate("x")).style("visibility",e.axis_x_show?"visible":"hidden"),t.axes.x.append("text").attr("class",i.axisXLabel).attr("transform",e.axis_rotated?"rotate(-90)":"").style("text-anchor",this.textAnchorForXAxisLabel.bind(this)),t.axes.y=n.append("g").attr("class",i.axis+" "+i.axisY).attr("clip-path",e.axis_y_inner?"":t.clipPathForYAxis).attr("transform",t.getTranslate("y")).style("visibility",e.axis_y_show?"visible":"hidden"),t.axes.y.append("text").attr("class",i.axisYLabel).attr("transform",e.axis_rotated?"":"rotate(-90)").style("text-anchor",this.textAnchorForYAxisLabel.bind(this)),t.axes.y2=n.append("g").attr("class",i.axis+" "+i.axisY2).attr("transform",t.getTranslate("y2")).style("visibility",e.axis_y2_show?"visible":"hidden"),t.axes.y2.append("text").attr("class",i.axisY2Label).attr("transform",e.axis_rotated?"":"rotate(-90)").style("text-anchor",this.textAnchorForY2AxisLabel.bind(this))},t.getXAxis=function(t,e,i,n,a,r,s){var o=this.owner,c=o.config,d={isCategory:o.isCategorized(),withOuterTick:a,tickMultiline:c.axis_x_tick_multiline,tickMultilineMax:c.axis_x_tick_multiline?Number(c.axis_x_tick_multilineMax):0,tickWidth:c.axis_x_tick_width,tickTextRotate:s?0:c.axis_x_tick_rotate,withoutTransition:r},u=new this.internal(this,d).axis.scale(t).orient(e);return o.isTimeSeries()&&n&&"function"!=typeof n&&(n=n.map(function(t){return o.parseDate(t)})),u.tickFormat(i).tickValues(n),o.isCategorized()&&(u.tickCentered(c.axis_x_tick_centered),p(c.axis_x_tick_culling)&&(c.axis_x_tick_culling=!1)),u},t.updateXAxisTickValues=function(t,e){var i,n=this.owner,a=n.config;return(a.axis_x_tick_fit||a.axis_x_tick_count)&&(i=this.generateTickValues(n.mapTargetsToUniqueXs(t),a.axis_x_tick_count,n.isTimeSeries())),e?e.tickValues(i):(n.xAxis.tickValues(i),n.subXAxis.tickValues(i)),i},t.getYAxis=function(t,e,i,n,a,r,s){var o=this.owner,c=o.config,d={withOuterTick:a,withoutTransition:r,tickTextRotate:s?0:c.axis_y_tick_rotate},u=new this.internal(this,d).axis.scale(t).orient(e).tickFormat(i);return o.isTimeSeriesY()?u.ticks(c.axis_y_tick_time_type,c.axis_y_tick_time_interval):u.tickValues(n),u},t.getId=function(t){var e=this.owner.config;return t in e.data_axes?e.data_axes[t]:"y"},t.getXAxisTickFormat=function(){var t=this.owner,e=t.config,i=t.isTimeSeries()?t.defaultAxisTimeFormat:t.isCategorized()?t.categoryName:function(t){return t};return e.axis_x_tick_format&&(o(e.axis_x_tick_format)?i=e.axis_x_tick_format:t.isTimeSeries()&&(i=function(i){return i?t.axisTimeFormat(e.axis_x_tick_format)(i):""})),o(i)?function(e){return i.call(t,e)}:i},t.getTickValues=function(t,e){return t||(e?e.tickValues():void 0)},t.getXAxisTickValues=function(){return this.getTickValues(this.owner.config.axis_x_tick_values,this.owner.xAxis)},t.getYAxisTickValues=function(){return this.getTickValues(this.owner.config.axis_y_tick_values,this.owner.yAxis)},t.getY2AxisTickValues=function(){return this.getTickValues(this.owner.config.axis_y2_tick_values,this.owner.y2Axis)},t.getLabelOptionByAxisId=function(t){var e,i=this.owner.config;return"y"===t?e=i.axis_y_label:"y2"===t?e=i.axis_y2_label:"x"===t&&(e=i.axis_x_label),e},t.getLabelText=function(t){var e=this.getLabelOptionByAxisId(t);return d(e)?e:e?e.text:null},t.setLabelText=function(t,e){var i=this.owner.config,n=this.getLabelOptionByAxisId(t);d(n)?"y"===t?i.axis_y_label=e:"y2"===t?i.axis_y2_label=e:"x"===t&&(i.axis_x_label=e):n&&(n.text=e)},t.getLabelPosition=function(t,e){var i=this.getLabelOptionByAxisId(t),a=i&&"object"===(void 0===i?"undefined":n(i))&&i.position?i.position:e;return{isInner:a.indexOf("inner")>=0,isOuter:a.indexOf("outer")>=0,isLeft:a.indexOf("left")>=0,isCenter:a.indexOf("center")>=0,isRight:a.indexOf("right")>=0,isTop:a.indexOf("top")>=0,isMiddle:a.indexOf("middle")>=0,isBottom:a.indexOf("bottom")>=0}},t.getXAxisLabelPosition=function(){return this.getLabelPosition("x",this.owner.config.axis_rotated?"inner-top":"inner-right")},t.getYAxisLabelPosition=function(){return this.getLabelPosition("y",this.owner.config.axis_rotated?"inner-right":"inner-top")},t.getY2AxisLabelPosition=function(){return this.getLabelPosition("y2",this.owner.config.axis_rotated?"inner-right":"inner-top")},t.getLabelPositionById=function(t){return"y2"===t?this.getY2AxisLabelPosition():"y"===t?this.getYAxisLabelPosition():this.getXAxisLabelPosition()},t.textForXAxisLabel=function(){return this.getLabelText("x")},t.textForYAxisLabel=function(){return this.getLabelText("y")},t.textForY2AxisLabel=function(){return this.getLabelText("y2")},t.xForAxisLabel=function(t,e){var i=this.owner;return t?e.isLeft?0:e.isCenter?i.width/2:i.width:e.isBottom?-i.height:e.isMiddle?-i.height/2:0},t.dxForAxisLabel=function(t,e){return t?e.isLeft?"0.5em":e.isRight?"-0.5em":"0":e.isTop?"-0.5em":e.isBottom?"0.5em":"0"},t.textAnchorForAxisLabel=function(t,e){return t?e.isLeft?"start":e.isCenter?"middle":"end":e.isBottom?"start":e.isMiddle?"middle":"end"},t.xForXAxisLabel=function(){return this.xForAxisLabel(!this.owner.config.axis_rotated,this.getXAxisLabelPosition())},t.xForYAxisLabel=function(){return this.xForAxisLabel(this.owner.config.axis_rotated,this.getYAxisLabelPosition())},t.xForY2AxisLabel=function(){return this.xForAxisLabel(this.owner.config.axis_rotated,this.getY2AxisLabelPosition())},t.dxForXAxisLabel=function(){return this.dxForAxisLabel(!this.owner.config.axis_rotated,this.getXAxisLabelPosition())},t.dxForYAxisLabel=function(){return this.dxForAxisLabel(this.owner.config.axis_rotated,this.getYAxisLabelPosition())},t.dxForY2AxisLabel=function(){return this.dxForAxisLabel(this.owner.config.axis_rotated,this.getY2AxisLabelPosition())},t.dyForXAxisLabel=function(){var t=this.owner,e=t.config,i=this.getXAxisLabelPosition();return e.axis_rotated?i.isInner?"1.2em":-25-(t.config.axis_x_inner?0:this.getMaxTickWidth("x")):i.isInner?"-0.5em":e.axis_x_height?e.axis_x_height-10:"3em"},t.dyForYAxisLabel=function(){var t=this.owner,e=this.getYAxisLabelPosition();return t.config.axis_rotated?e.isInner?"-0.5em":"3em":e.isInner?"1.2em":-10-(t.config.axis_y_inner?0:this.getMaxTickWidth("y")+10)},t.dyForY2AxisLabel=function(){var t=this.owner,e=this.getY2AxisLabelPosition();return t.config.axis_rotated?e.isInner?"1.2em":"-2.2em":e.isInner?"-0.5em":15+(t.config.axis_y2_inner?0:this.getMaxTickWidth("y2")+15)},t.textAnchorForXAxisLabel=function(){var t=this.owner;return this.textAnchorForAxisLabel(!t.config.axis_rotated,this.getXAxisLabelPosition())},t.textAnchorForYAxisLabel=function(){var t=this.owner;return this.textAnchorForAxisLabel(t.config.axis_rotated,this.getYAxisLabelPosition())},t.textAnchorForY2AxisLabel=function(){var t=this.owner;return this.textAnchorForAxisLabel(t.config.axis_rotated,this.getY2AxisLabelPosition())},t.getMaxTickWidth=function(t,e){var i,n,a,r,s=this.owner,o=s.config,c=0;return e&&s.currentMaxTickWidths[t]?s.currentMaxTickWidths[t]:(s.svg&&(i=s.filterTargetsToShow(s.data.targets),"y"===t?(n=s.y.copy().domain(s.getYDomain(i,"y")),a=this.getYAxis(n,s.yOrient,o.axis_y_tick_format,s.yAxisTickValues,!1,!0,!0)):"y2"===t?(n=s.y2.copy().domain(s.getYDomain(i,"y2")),a=this.getYAxis(n,s.y2Orient,o.axis_y2_tick_format,s.y2AxisTickValues,!1,!0,!0)):(n=s.x.copy().domain(s.getXDomain(i)),a=this.getXAxis(n,s.xOrient,s.xAxisTickFormat,s.xAxisTickValues,!1,!0,!0),this.updateXAxisTickValues(i,a)),(r=s.d3.select("body").append("div").classed("c3",!0)).append("svg").style("visibility","hidden").style("position","fixed").style("top",0).style("left",0).append("g").call(a).each(function(){s.d3.select(this).selectAll("text").each(function(){var t=this.getBoundingClientRect();c<t.width&&(c=t.width)}),r.remove()})),s.currentMaxTickWidths[t]=c<=0?s.currentMaxTickWidths[t]:c,s.currentMaxTickWidths[t])},t.updateLabels=function(t){var e=this.owner,n=e.main.select("."+i.axisX+" ."+i.axisXLabel),a=e.main.select("."+i.axisY+" ."+i.axisYLabel),r=e.main.select("."+i.axisY2+" ."+i.axisY2Label);(t?n.transition():n).attr("x",this.xForXAxisLabel.bind(this)).attr("dx",this.dxForXAxisLabel.bind(this)).attr("dy",this.dyForXAxisLabel.bind(this)).text(this.textForXAxisLabel.bind(this)),(t?a.transition():a).attr("x",this.xForYAxisLabel.bind(this)).attr("dx",this.dxForYAxisLabel.bind(this)).attr("dy",this.dyForYAxisLabel.bind(this)).text(this.textForYAxisLabel.bind(this)),(t?r.transition():r).attr("x",this.xForY2AxisLabel.bind(this)).attr("dx",this.dxForY2AxisLabel.bind(this)).attr("dy",this.dyForY2AxisLabel.bind(this)).text(this.textForY2AxisLabel.bind(this))},t.getPadding=function(t,e,i,n){var a="number"==typeof t?t:t[e];return s(a)?"ratio"===t.unit?t[e]*n:this.convertPixelsToAxisPadding(a,n):i},t.convertPixelsToAxisPadding=function(t,e){var i=this.owner;return e*(t/(i.config.axis_rotated?i.width:i.height))},t.generateTickValues=function(t,e,i){var n,a,r,s,c,d,u,l=t;if(e)if(1===(n=o(e)?e():e))l=[t[0]];else if(2===n)l=[t[0],t[t.length-1]];else if(n>2){for(s=n-2,a=t[0],c=((r=t[t.length-1])-a)/(s+1),l=[a],d=0;d<s;d++)u=+a+c*(d+1),l.push(i?new Date(u):u);l.push(r)}return i||(l=l.sort(function(t,e){return t-e})),l},t.generateTransitions=function(t){var e=this.owner.axes;return{axisX:t?e.x.transition().duration(t):e.x,axisY:t?e.y.transition().duration(t):e.y,axisY2:t?e.y2.transition().duration(t):e.y2,axisSubX:t?e.subx.transition().duration(t):e.subx}},t.redraw=function(t,e){var i=this.owner,n=t?i.d3.transition().duration(t):null;i.axes.x.style("opacity",e?0:1).call(i.xAxis,n),i.axes.y.style("opacity",e?0:1).call(i.yAxis,n),i.axes.y2.style("opacity",e?0:1).call(i.y2Axis,n),i.axes.subx.style("opacity",e?0:1).call(i.subXAxis,n)};var b,T,A={version:"0.6.1"};function P(t,e,i){this.owner=t,A.chart.internal[e]=i}function C(t){var e=this.internal=new L(this);e.loadConfig(t),e.beforeInit(t),e.init(),e.afterInit(t),function t(e,i,n){Object.keys(e).forEach(function(a){i[a]=e[a].bind(n),Object.keys(e[a]).length>0&&t(e[a],i[a],n)})}(b,this,this)}function L(t){var e=this;e.d3=window.d3?window.d3:"undefined"!=typeof require?require("d3"):void 0,e.api=t,e.config=e.getDefaultConfig(),e.data={},e.cache={},e.axes={}}return A.generate=function(t){return new C(t)},A.chart={fn:C.prototype,internal:{fn:L.prototype}},b=A.chart.fn,(T=A.chart.internal.fn).beforeInit=function(){},T.afterInit=function(){},T.init=function(){var t=this,e=t.config;if(t.initParams(),e.data_url)t.convertUrlToData(e.data_url,e.data_mimeType,e.data_headers,e.data_keys,t.initWithData);else if(e.data_json)t.initWithData(t.convertJsonToData(e.data_json,e.data_keys));else if(e.data_rows)t.initWithData(t.convertRowsToData(e.data_rows));else{if(!e.data_columns)throw Error("url or json or rows or columns is required.");t.initWithData(t.convertColumnsToData(e.data_columns))}},T.initParams=function(){var t=this,e=t.d3,i=t.config;t.clipId="c3-"+ +new Date+"-clip",t.clipIdForXAxis=t.clipId+"-xaxis",t.clipIdForYAxis=t.clipId+"-yaxis",t.clipIdForGrid=t.clipId+"-grid",t.clipIdForSubchart=t.clipId+"-subchart",t.clipPath=t.getClipPath(t.clipId),t.clipPathForXAxis=t.getClipPath(t.clipIdForXAxis),t.clipPathForYAxis=t.getClipPath(t.clipIdForYAxis),t.clipPathForGrid=t.getClipPath(t.clipIdForGrid),t.clipPathForSubchart=t.getClipPath(t.clipIdForSubchart),t.dragStart=null,t.dragging=!1,t.flowing=!1,t.cancelClick=!1,t.mouseover=!1,t.transiting=!1,t.color=t.generateColor(),t.levelColor=t.generateLevelColor(),t.dataTimeParse=(i.data_xLocaltime?e.timeParse:e.utcParse)(t.config.data_xFormat),t.axisTimeFormat=i.axis_x_localtime?e.timeFormat:e.utcFormat,t.defaultAxisTimeFormat=function(t){return t.getMilliseconds()?e.timeFormat(".%L")(t):t.getSeconds()?e.timeFormat(":%S")(t):t.getMinutes()?e.timeFormat("%I:%M")(t):t.getHours()?e.timeFormat("%I %p")(t):t.getDay()&&1!==t.getDate()?e.timeFormat("%-m/%-d")(t):1!==t.getDate()?e.timeFormat("%-m/%-d")(t):t.getMonth()?e.timeFormat("%-m/%-d")(t):e.timeFormat("%Y/%-m/%-d")(t)},t.hiddenTargetIds=[],t.hiddenLegendIds=[],t.focusedTargetIds=[],t.defocusedTargetIds=[],t.xOrient=i.axis_rotated?i.axis_x_inner?"right":"left":i.axis_x_inner?"top":"bottom",t.yOrient=i.axis_rotated?i.axis_y_inner?"top":"bottom":i.axis_y_inner?"right":"left",t.y2Orient=i.axis_rotated?i.axis_y2_inner?"bottom":"top":i.axis_y2_inner?"left":"right",t.subXOrient=i.axis_rotated?"left":"bottom",t.isLegendRight="right"===i.legend_position,t.isLegendInset="inset"===i.legend_position,t.isLegendTop="top-left"===i.legend_inset_anchor||"top-right"===i.legend_inset_anchor,t.isLegendLeft="top-left"===i.legend_inset_anchor||"bottom-left"===i.legend_inset_anchor,t.legendStep=0,t.legendItemWidth=0,t.legendItemHeight=0,t.currentMaxTickWidths={x:0,y:0,y2:0},t.rotated_padding_left=30,t.rotated_padding_right=i.axis_rotated&&!i.axis_x_show?0:30,t.rotated_padding_top=5,t.withoutFadeIn={},t.intervalForObserveInserted=void 0,t.axes.subx=e.selectAll([])},T.initChartElements=function(){this.initBar&&this.initBar(),this.initLine&&this.initLine(),this.initArc&&this.initArc(),this.initGauge&&this.initGauge(),this.initText&&this.initText()},T.initWithData=function(t){var e,n,a=this,r=a.d3,s=a.config,o=!0;a.axis=new v(a),s.bindto?"function"==typeof s.bindto.node?a.selectChart=s.bindto:a.selectChart=r.select(s.bindto):a.selectChart=r.selectAll([]),a.selectChart.empty()&&(a.selectChart=r.select(document.createElement("div")).style("opacity",0),a.observeInserted(a.selectChart),o=!1),a.selectChart.html("").classed("c3",!0),a.data.xs={},a.data.targets=a.convertDataToTargets(t),s.data_filter&&(a.data.targets=a.data.targets.filter(s.data_filter)),s.data_hide&&a.addHiddenTargetIds(!0===s.data_hide?a.mapToIds(a.data.targets):s.data_hide),s.legend_hide&&a.addHiddenLegendIds(!0===s.legend_hide?a.mapToIds(a.data.targets):s.legend_hide),a.updateSizes(),a.updateScales(),a.x.domain(r.extent(a.getXDomain(a.data.targets))),a.y.domain(a.getY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VGPathSegCurvetoQuadraticRel=function(t,e,i,n,a){window.SVGPathSeg.call(this,window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL,"q",t),this._x=e,this._y=i,this._x1=n,this._y1=a},window.SVGPathSegCurvetoQuadraticRel.prototype=Object.create(window.SVGPathSeg.prototype),window.SVGPathSegCurvetoQuadraticRel.prototype.toString=function(){return"[object SVGPathSegCurvetoQuadraticRel]"},window.SVGPathSegCurvetoQuadraticRel.prototype._asPathString=function(){return this.pathSegTypeAsLetter+" "+this._x1+" "+this._y1+" "+this._x+" "+this._y},window.SVGPathSegCurvetoQuadraticRel.prototype.clone=function(){return new window.SVGPathSegCurvetoQuadraticRel(void 0,this._x,this._y,this._x1,this._y1)},Object.defineProperty(window.SVGPathSegCurvetoQuadraticRel.prototype,"x",{get:function(){return this._x},set:function(t){this._x=t,this._segmentChanged()},enumerable:!0}),Object.defineProperty(window.SVGPathSegCurvetoQuadraticRel.prototype,"y",{get:function(){return this._y},set:function(t){this._y=t,this._segmentChanged()},enumerable:!0}),Object.defineProperty(window.SVGPathSegCurvetoQuadraticRel.prototype,"x1",{get:function(){return this._x1},set:function(t){this._x1=t,this._segmentChanged()},enumerable:!0}),Object.defineProperty(window.SVGPathSegCurvetoQuadraticRel.prototype,"y1",{get:function(){return this._y1},set:function(t){this._y1=t,this._segmentChanged()},enumerable:!0}),window.SVGPathSegArcAbs=function(t,e,i,n,a,r,s,o){window.SVGPathSeg.call(this,window.SVGPathSeg.PATHSEG_ARC_ABS,"A",t),this._x=e,this._y=i,this._r1=n,this._r2=a,this._angle=r,this._largeArcFlag=s,this._sweepFlag=o},window.SVGPathSegArcAbs.prototype=Object.create(window.SVGPathSeg.prototype),window.SVGPathSegArcAbs.prototype.toString=function(){return"[object SVGPathSegArcAbs]"},window.SVGPathSegArcAbs.prototype._asPathString=function(){return this.pathSegTypeAsLetter+" "+this._r1+" "+this._r2+" "+this._angle+" "+(this._largeArcFlag?"1":"0")+" "+(this._sweepFlag?"1":"0")+" "+this._x+" "+this._y},window.SVGPathSegArcAbs.prototype.clone=function(){return new window.SVGPathSegArcAbs(void 0,this._x,this._y,this._r1,this._r2,this._angle,this._largeArcFlag,this._sweepFlag)},Object.defineProperty(window.SVGPathSegArcAbs.prototype,"x",{get:function(){return this._x},set:function(t){this._x=t,this._segmentChanged()},enumerable:!0}),Object.defineProperty(window.SVGPathSegArcAbs.prototype,"y",{get:function(){return this._y},set:function(t){this._y=t,this._segmentChanged()},enumerable:!0}),Object.defineProperty(window.SVGPathSegArcAbs.prototype,"r1",{get:function(){return this._r1},set:function(t){this._r1=t,this._segmentChanged()},enumerable:!0}),Object.defineProperty(window.SVGPathSegArcAbs.prototype,"r2",{get:function(){return this._r2},set:function(t){this._r2=t,this._segmentChanged()},enumerable:!0}),Object.defineProperty(window.SVGPathSegArcAbs.prototype,"angle",{get:function(){return this._angle},set:function(t){this._angle=t,this._segmentChanged()},enumerable:!0}),Object.defineProperty(window.SVGPathSegArcAbs.prototype,"largeArcFlag",{get:function(){return this._largeArcFlag},set:function(t){this._largeArcFlag=t,this._segmentChanged()},enumerable:!0}),Object.defineProperty(window.SVGPathSegArcAbs.prototype,"sweepFlag",{get:function(){return this._sweepFlag},set:function(t){this._sweepFlag=t,this._segmentChanged()},enumerable:!0}),window.SVGPathSegArcRel=function(t,e,i,n,a,r,s,o){window.SVGPathSeg.call(this,window.SVGPathSeg.PATHSEG_ARC_REL,"a",t),this._x=e,this._y=i,this._r1=n,this._r2=a,this._angle=r,this._largeArcFlag=s,this._sweepFlag=o},window.SVGPathSegArcRel.prototype=Object.create(window.SVGPathSeg.prototype),window.SVGPathSegArcRel.prototype.toString=function(){return"[object SVGPathSegArcRel]"},window.SVGPathSegArcRel.prototype._asPathString=function(){return this.pathSegTypeAsLetter+" "+this._r1+" "+this._r2+" "+this._angle+" "+(this._largeArcFlag?"1":"0")+" "+(this._sweepFlag?"1":"0")+" "+this._x+" "+this._y},window.SVGPathSegArcRel.prototype.clone=function(){return new window.SVGPathSegArcRel(void 0,this._x,this._y,this._r1,this._r2,this._angle,this._largeArcFlag,this._sweepFlag)},Object.defineProperty(window.SVGPathSegArcRel.prototype,"x",{get:function(){return this._x},set:function(t){this._x=t,this._segmentChanged()},enumerable:!0}),Object.defineProperty(window.SVGPathSegArcRel.prototype,"y",{get:function(){return this._y},set:function(t){this._y=t,this._segmentChanged()},enumerable:!0}),Object.defineProperty(window.SVGPathSegArcRel.prototype,"r1",{get:function(){return this._r1},set:function(t){this._r1=t,this._segmentChanged()},enumerable:!0}),Object.defineProperty(window.SVGPathSegArcRel.prototype,"r2",{get:function(){return this._r2},set:function(t){this._r2=t,this._segmentChanged()},enumerable:!0}),Object.defineProperty(window.SVGPathSegArcRel.prototype,"angle",{get:function(){return this._angle},set:function(t){this._angle=t,this._segmentChanged()},enumerable:!0}),Object.defineProperty(window.SVGPathSegArcRel.prototype,"largeArcFlag",{get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ent.prototype.createSVGPathSegLinetoVerticalAbs=function(t){return new window.SVGPathSegLinetoVerticalAbs(void 0,t)},window.SVGPathElement.prototype.createSVGPathSegLinetoVerticalRel=function(t){return new window.SVGPathSegLinetoVerticalRel(void 0,t)},window.SVGPathElement.prototype.createSVGPathSegCurvetoCubicSmoothAbs=function(t,e,i,n){return new window.SVGPathSegCurvetoCubicSmoothAbs(void 0,t,e,i,n)},window.SVGPathElement.prototype.createSVGPathSegCurvetoCubicSmoothRel=function(t,e,i,n){return new window.SVGPathSegCurvetoCubicSmoothRel(void 0,t,e,i,n)},window.SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticSmoothAbs=function(t,e){return new window.SVGPathSegCurvetoQuadraticSmoothAbs(void 0,t,e)},window.SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticSmoothRel=function(t,e){return new window.SVGPathSegCurvetoQuadraticSmoothRel(void 0,t,e)},"getPathSegAtLength"in window.SVGPathElement.prototype||(window.SVGPathElement.prototype.getPathSegAtLength=function(t){if(void 0===t||!isFinite(t))throw"Invalid arguments.";var e=document.createElementNS("http://www.w3.org/2000/svg","path");e.setAttribute("d",this.getAttribute("d"));var i=e.pathSegList.numberOfItems-1;if(i<=0)return 0;do{if(e.pathSegList.removeItem(i),t>e.getTotalLength())break;i--}while(i>0);return i})),"SVGPathSegList"in window||(window.SVGPathSegList=function(t){this._pathElement=t,this._list=this._parsePath(this._pathElement.getAttribute("d")),this._mutationObserverConfig={attributes:!0,attributeFilter:["d"]},this._pathElementMutationObserver=new MutationObserver(this._updateListFromPathMutations.bind(this)),this._pathElementMutationObserver.observe(this._pathElement,this._mutationObserverConfig)},window.SVGPathSegList.prototype.classname="SVGPathSegList",Object.defineProperty(window.SVGPathSegList.prototype,"numberOfItems",{get:function(){return this._checkPathSynchronizedToList(),this._list.length},enumerable:!0}),Object.defineProperty(window.SVGPathElement.prototype,"pathSegList",{get:function(){return this._pathSegList||(this._pathSegList=new window.SVGPathSegList(this)),this._pathSegList},enumerable:!0}),Object.defineProperty(window.SVGPathElement.prototype,"normalizedPathSegList",{get:function(){return this.pathSegList},enumerable:!0}),Object.defineProperty(window.SVGPathElement.prototype,"animatedPathSegList",{get:function(){return this.pathSegList},enumerable:!0}),Object.defineProperty(window.SVGPathElement.prototype,"animatedNormalizedPathSegList",{get:function(){return this.pathSegList},enumerable:!0}),window.SVGPathSegList.prototype._checkPathSynchronizedToList=function(){this._updateListFromPathMutations(this._pathElementMutationObserver.takeRecords())},window.SVGPathSegList.prototype._updateListFromPathMutations=function(t){if(this._pathElement){var e=!1;t.forEach(function(t){"d"==t.attributeName&&(e=!0)}),e&&(this._list=this._parsePath(this._pathElement.getAttribute("d")))}},window.SVGPathSegList.prototype._writeListToPath=function(){this._pathElementMutationObserver.disconnect(),this._pathElement.setAttribute("d",window.SVGPathSegList._pathSegArrayAsString(this._list)),this._pathElementMutationObserver.observe(this._pathElement,this._mutationObserverConfig)},window.SVGPathSegList.prototype.segmentChanged=function(t){this._writeListToPath()},window.SVGPathSegList.prototype.clear=function(){this._checkPathSynchronizedToList(),this._list.forEach(function(t){t._owningPathSegList=null}),this._list=[],this._writeListToPath()},window.SVGPathSegList.prototype.initialize=function(t){return this._checkPathSynchronizedToList(),this._list=[t],t._owningPathSegList=this,this._writeListToPath(),t},window.SVGPathSegList.prototype._checkValidIndex=function(t){if(isNaN(t)||t<0||t>=this.numberOfItems)throw"INDEX_SIZE_ERR"},window.SVGPathSegList.prototype.getItem=function(t){return this._checkPathSynchronizedToList(),this._checkValidIndex(t),this._list[t]},window.SVGPathSegList.prototype.insertItemBefore=function(t,e){return this._checkPathSynchronizedToList(),e>this.numberOfItems&&(e=this.numberOfItems),t._owningPathSegList&&(t=t.clone()),this._list.splice(e,0,t),t._owningPathSegList=this,this._writeListToPath(),t},window.SVGPathSegList.prototype.replaceItem=function(t,e){return this._checkPathSynchronizedToList(),t._owningPathSegList&&(t=t.clone()),this._checkValidIndex(e),this._list[e]=t,t._owningPathSegList=this,this._writeListToPath(),t},window.SVGPathSegList.prototype.removeItem=function(t){this._checkPathSynchronizedToList(),this._checkValidIndex(t);var e=this._list[t];return this._list.splice(t,1),this._writeListToPath(),e},window.SVGPathSegList.prototype.appendItem=function(t){return this._checkPathSynchronizedToList(),t._owningPathSegList&&(t=t.clone()),this._list.push(t),t._owningPathSegList=this,this._writeListToPath(),t},window.SVGPathSegList._pathSegArrayAsString=function(t){var e="",i=!0;return t.forEach(function(t){i?(i=!1,e+=t._asPathString()):e+=" "+t._asPathString()}),e},window.SVGPathSegList.prototype._parsePath=function(t){if(!t||0==t.length)return[];var e=this,i=function(){this.pathSegList=[]};i.prototype.appendSegment=function(t){this.pathSegList.push(t)};var n=function(t){this._string=t,this._currentIndex=0,this._endIndex=this._string.length,this._previousCommand=window.SVGPathSeg.PATHSEG_UNKNOWN,this._skipOptionalSpaces()};n.prototype._isCurrentSpace=function(){var t=this._string[this._currentIndex];return t<=" "&&(" "==t||"\n"==t||"\t"==t||"\r"==t||"\f"==t)},n.prototype._skipOptionalSpaces=function(){for(;this._currentIndex<this._endIndex&&this._isCurrentSpace();)this._currentIndex++;return this._currentIndex<this._endIndex},n.prototype._skipOptionalSpacesOrDelimiter=function(){return!(this._currentIndex<this._endIndex&&!this._isCurrentSpace()&&","!=this._string.charAt(this._currentIndex))&&(this._skipOptionalSpaces()&&this._currentIndex<this._endIndex&&","==this._string.charAt(this._currentIndex)&&(this._currentIndex++,this._skipOptionalSpaces()),this._currentIndex<this._endIndex)},n.prototype.hasMoreData=function(){return this._currentIndex<this._endIndex},n.prototype.peekSegmentType=function(){var t=this._string[this._currentIndex];return this._pathSegTypeFromChar(t)},n.prototype._pathSegTypeFromChar=function(t){switch(t){case"Z":case"z":return window.SVGPathSeg.PATHSEG_CLOSEPATH;case"M":return window.SVGPathSeg.PATHSEG_MOVETO_ABS;case"m":return window.SVGPathSeg.PATHSEG_MOVETO_REL;case"L":return window.SVGPathSeg.PATHSEG_LINETO_ABS;case"l":return window.SVGPathSeg.PATHSEG_LINETO_REL;case"C":return window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS;case"c":return window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL;case"Q":return window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS;case"q":return window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL;case"A":return window.SVGPathSeg.PATHSEG_ARC_ABS;case"a":return window.SVGPathSeg.PATHSEG_ARC_REL;case"H":return window.SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS;case"h":return window.SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL;case"V":return window.SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS;case"v":return window.SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL;case"S":return window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS;case"s":return window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL;case"T":return window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS;case"t":return window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL;default:return window.SVGPathSeg.PATHSEG_UNKNOWN}},n.prototype._nextCommandHelper=function(t,e){return("+"==t||"-"==t||"."==t||t>="0"&&t<="9")&&e!=window.SVGPathSeg.PATHSEG_CLOSEPATH?e==window.SVGPathSeg.PATHSEG_MOVETO_ABS?window.SVGPathSeg.PATHSEG_LINETO_ABS:e==window.SVGPathSeg.PATHSEG_MOVETO_REL?window.SVGPathSeg.PATHSEG_LINETO_REL:e:window.SVGPathSeg.PATHSEG_UNKNOWN},n.prototype.initialCommandIsMoveTo=function(){if(!this.hasMoreData())return!0;var t=this.peekSegmentType();return t==window.SVGPathSeg.PATHSEG_MOVETO_ABS||t==window.SVGPathSeg.PATHSEG_MOVETO_REL},n.prototype._parseNumber=function(){var t=0,e=0,i=1,n=0,a=1,r=1,s=this._currentIndex;if(this._skipOptionalSpaces(),this._currentIndex<this._endIndex&&"+"==this._string.charAt(this._currentIndex)?this._currentIndex++:this._currentIndex<this._endIndex&&"-"==this._string.charAt(this._currentIndex)&&(this._currentIndex++,a=-1),!(this._currentIndex==this._endIndex||(this._string.charAt(this._currentIndex)<"0"||this._string.charAt(this._currentIndex)>"9")&&"."!=this._string.charAt(this._currentIndex))){for(var o=this._currentIndex;this._currentIndex<this._endIndex&&this._string.charAt(this._currentIndex)>="0"&&this._string.charAt(this._currentIndex)<="9";)this._currentIndex++;if(this._currentIndex!=o)for(var c=this._currentIndex-1,d=1;c>=o;)e+=d*(this._string.charAt(c--)-"0"),d*=10;if(this._currentIndex<this._endIndex&&"."==this._string.charAt(this._currentIndex)){if(this._currentIndex++,this._currentIndex>=this._endIndex||this._string.charAt(this._currentIndex)<"0"||this._string.charAt(this._currentIndex)>"9")return;for(;this._currentIndex<this._endIndex&&this._string.charAt(this._currentIndex)>="0"&&this._string.charAt(this._currentIndex)<="9";)i*=10,n+=(this._string.charAt(this._currentIndex)-"0")/i,this._currentIndex+=1}if(this._currentIndex!=s&&this._currentIndex+1<this._endIndex&&("e"==this._string.charAt(this._currentIndex)||"E"==this._string.charAt(this._currentIndex))&&"x"!=this._string.charAt(this._currentIndex+1)&&"m"!=this._string.charAt(this._currentIndex+1)){if(this._currentIndex++,"+"==this._string.charAt(this._currentIndex)?this._currentIndex++:"-"==this._string.charAt(this._currentIndex)&&(this._currentIndex++,r=-1),this._currentIndex>=this._endIndex||this._string.charAt(this._currentIndex)<"0"||this._string.charAt(this._currentIndex)>"9")return;for(;this._currentIndex<this._endIndex&&this._string.charAt(this._currentIndex)>="0"&&this._string.charAt(this._currentIndex)<="9";)t*=10,t+=this._string.charAt(this._currentIndex)-"0",this._currentIndex++}var u=e+n;if(u*=a,t&&(u*=Math.pow(10,r*t)),s!=this._currentIndex)return this._skipOptionalSpacesOrDelimiter(),u}},n.prototype._parseArcFlag=function(){if(!(this._currentIndex>=this._endIndex)){var t=!1,e=this._string.charAt(this._currentIndex++);if("0"==e)t=!1;else{if("1"!=e)return;t=!0}return this._skipOptionalSpacesOrDelimiter(),t}},n.prototype.parseSegment=function(){var t=this._string[this._currentIndex],i=this._pathSegTypeFromChar(t);if(i==window.SVGPathSeg.PATHSEG_UNKNOWN){if(this._previousCommand==window.SVGPathSeg.PATHSEG_UNKNOWN)return null;if((i=this._nextCommandHelper(t,this._previousCommand))==window.SVGPathSeg.PATHSEG_UNKNOWN)return null}else this._currentIndex++;switch(this._previousCommand=i,i){case window.SVGPathSeg.PATHSEG_MOVETO_REL:return new window.SVGPathSegMovetoRel(e,this._parseNumber(),this._parseNumber());case window.SVGPathSeg.PATHSEG_MOVETO_ABS:return new window.SVGPathSegMovetoAbs(e,this._parseNumber(),this._parseNumber());case window.SVGPathSeg.PATHSEG_LINETO_REL:return new window.SVGPathSegLinetoRel(e,this._parseNumber(),this._parseNumber());case window.SVGPathSeg.PATHSEG_LINETO_ABS:return new window.SVGPathSegLinetoAbs(e,this._parseNumber(),this._parseNumber());case window.SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL:return new window.SVGPathSegLinetoHorizontalRel(e,this._parseNumber());case window.SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS:return new window.SVGPathSegLinetoHorizontalAbs(e,this._parseNumber());case window.SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL:return new window.SVGPathSegLinetoVerticalRel(e,this._parseNumber());case window.SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS:return new window.SVGPathSegLinetoVerticalAbs(e,this._parseNumber());case window.SVGPathSeg.PATHSEG_CLOSEPATH:return this._skipOptionalSpaces(),new window.SVGPathSegClosePath(e);case window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL:var n={x1:this._parseNumber(),y1:this._parseNumber(),x2:this._parseNumber(),y2:this._parseNumber(),x:this._parseNumber(),y:this._parseNumber()};return new window.SVGPathSegCurvetoCubicRel(e,n.x,n.y,n.x1,n.y1,n.x2,n.y2);case window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS:return n={x1:this._parseNumber(),y1:this._parseNumber(),x2:this._parseNumber(),y2:this._parseNumber(),x:this._parseNumber(),y:this._parseNumber()},new window.SVGPathSegCurvetoCubicAbs(e,n.x,n.y,n.x1,n.y1,n.x2,n.y2);case window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL:return n={x2:this._parseNumber(),y2:this._parseNumber(),x:this._parseNumber(),y:this._parseNumber()},new window.SVGPathSegCurvetoCubicSmoothRel(e,n.x,n.y,n.x2,n.y2);case window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS:return n={x2:this._parseNumber(),y2:this._parseNumber(),x:this._parseNumber(),y:this._parseNumber()},new window.SVGPathSegCurvetoCubicSmoothAbs(e,n.x,n.y,n.x2,n.y2);case window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL:return n={x1:this._parseNumber(),y1:this._parseNumber(),x:this._parseNumber(),y:this._parseNumber()},new window.SVGPathSegCurvetoQuadraticRel(e,n.x,n.y,n.x1,n.y1);case window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS:return n={x1:this._parseNumber(),y1:this._parseNumber(),x:this._parseNumber(),y:this._parseNumber()},new window.SVGPathSegCurvetoQuadraticAbs(e,n.x,n.y,n.x1,n.y1);case window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL:return new window.SVGPathSegCurvetoQuadraticSmoothRel(e,this._parseNumber(),this._parseNumber());case window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS:return new window.SVGPathSegCurvetoQuadraticSmoothAbs(e,this._parseNumber(),this._parseNumber());case window.SVGPathSeg.PATHSEG_ARC_REL:return n={x1:this._parseNumber(),y1:this._parseNumber(),arcAngle:this._parseNumber(),arcLarge:this._parseArcFlag(),arcSweep:this._parseArcFlag(),x:this._parseNumber(),y:this._parseNumber()},new window.SVGPathSegArcRel(e,n.x,n.y,n.x1,n.y1,n.arcAngle,n.arcLarge,n.arcSweep);case window.SVGPathSeg.PATHSEG_ARC_ABS:return n={x1:this._parseNumber(),y1:this._parseNumber(),arcAngle:this._parseNumber(),arcLarge:this._parseArcFlag(),arcSweep:this._parseArcFlag(),x:this._parseNumber(),y:this._parseNumber()},new window.SVGPathSegArcAbs(e,n.x,n.y,n.x1,n.y1,n.arcAngle,n.arcLarge,n.arcSweep);default:throw"Unknown path seg type."}};var a=new i,r=new n(t);if(!r.initialCommandIsMoveTo())return[];for(;r.hasMoreData();){var s=r.parseSegment();if(!s)return[];a.appendSegment(s)}return a.pathSegList}),String.prototype.padEnd||(String.prototype.padEnd=function(t,e){return t>>=0,e=String(void 0!==e?e:" "),this.length>t?String(this):((t-=this.length)>e.length&&(e+=e.repeat(t/e.length)),String(this)+e.slice(0,t))}),b.axis=function(){},b.axis.labels=function(t){var e=this.internal;arguments.length&&(Object.keys(t).forEach(function(i){e.axis.setLabelText(i,t[i])}),e.axis.updateLabels())},b.axis.max=function(t){var e=this.internal,i=e.config;if(!arguments.length)return{x:i.axis_x_max,y:i.axis_y_max,y2:i.axis_y2_max};"object"===(void 0===t?"undefined":n(t))?(s(t.x)&&(i.axis_x_max=t.x),s(t.y)&&(i.axis_y_max=t.y),s(t.y2)&&(i.axis_y2_max=t.y2)):i.axis_y_max=i.axis_y2_max=t,e.redraw({withUpdateOrgXDomain:!0,with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e.config;return t?(i.regions=i.regions.concat(t),e.redrawWithoutRescale(),i.regions):i.regions},b.regions.remove=function(t){var e,n,a,r=this.internal,s=r.config;return t=t||{},e=r.getOption(t,"duration",s.transition_duration),n=r.getOption(t,"classes",[i.region]),a=r.main.select("."+i.regions).selectAll(n.map(function(t){return"."+t})),(e?a.transition().duration(e):a).style("opacity",0).remove(),s.regions=s.regions.filter(function(t){var e=!1;return!t.class||(t.class.split(" ").forEach(function(t){n.indexOf(t)>=0&&(e=!0)}),!e)}),s.regions},b.selected=function(t){var e=this.internal,n=e.d3;return n.merge(e.main.selectAll("."+i.shapes+e.getTargetSelectorSuffix(t)).selectAll("."+i.shape).filter(function(){return n.select(this).classed(i.SELECTED)}).map(function(t){return t.map(function(t){var e=t.__data__;return e.data?e.data:e})}))},b.select=function(t,e,n){var a=this.internal,r=a.d3,s=a.config;s.data_selection_enabled&&a.main.selectAll("."+i.shapes).selectAll("."+i.shape).each(function(o,c){var d=r.select(this),u=o.data?o.data.id:o.id,h=a.getToggle(this,o).bind(a),g=s.data_selection_grouped||!t||t.indexOf(u)>=0,f=!e||e.indexOf(c)>=0,p=d.classed(i.SELECTED);d.classed(i.line)||d.classed(i.area)||(g&&f?s.data_selection_isselectable(o)&&!p&&h(!0,d.classed(i.SELECTED,!0),o,c):l(n)&&n&&p&&h(!1,d.classed(i.SELECTED,!1),o,c))})},b.unselect=function(t,e){var n=this.internal,a=n.d3,r=n.config;r.data_selection_enabled&&n.main.selectAll("."+i.shapes).selectAll("."+i.shape).each(function(s,o){var c=a.select(this),d=s.data?s.data.id:s.id,u=n.getToggle(this,s).bind(n),l=r.data_selection_grouped||!t||t.indexOf(d)>=0,h=!e||e.indexOf(o)>=0,g=c.classed(i.SELECTED);c.classed(i.line)||c.classed(i.area)||l&&h&&r.data_selection_isselectable(s)&&g&&u(!1,c.classed(i.SELECTED,!1),s,o)})},b.show=function(t,e){var i,n=this.internal;t=n.mapToTargetIds(t),e=e||{},n.removeHiddenTargetIds(t),(i=n.svg.selectAll(n.selectorTargets(t))).transition().style("display","initial","important").style("opacity",1,"important").call(n.endall,function(){i.style("opacity",null).style("opacity",1)}),e.withLegend&&n.showLegend(t),n.redraw({withUpdateOrgXDomain:!0,withUpdateXDomain:!0,withLegend:!0})},b.hide=function(t,e){var i,n=this.internal;t=n.mapToTargetIds(t),e=e||{},n.addHiddenTargetIds(t),(i=n.svg.selectAll(n.selectorTargets(t))).transition().style("opacity",0,"important").call(n.endall,function(){i.style("opacity",null).style("opacity",0),i.style("display","none")}),e.withLegend&&n.hideLegend(t),n.redraw({withUpdateOrgXDomain:!0,withUpdateXDomain:!0,withLegend:!0})},b.toggle=function(t,e){var i=this,n=this.internal;n.mapToTargetIds(t).forEach(function(t){n.isTargetToShow(t)?i.hide(t,e):i.show(t,e)})},b.tooltip=function(){},b.tooltip.show=function(t){var e,i,n=this.internal,a={};t.mouse?a=t.mouse:(t.data?i=t.data:void 0!==t.x&&(e=t.id?n.data.targets.filter(function(e){return e.id===t.id}):n.data.targets,i=n.filterByX(e,t.x).slice(0,1)[0]),a=i?n.getMousePosition(i):null),n.dispatchEvent("mousemove",a),n.config.tooltip_onshow.call(n,i)},b.tooltip.hide=function(){this.internal.dispatchEvent("mouseout",0),this.internal.config.tooltip_onhide.call(this)},b.transform=function(t,e){var i=this.internal,n=["pie","donut"].indexOf(t)>=0?{withTransform:!0}:null;i.transformTo(e,t,n)},T.transformTo=function(t,e,i){var n=this,a=!n.hasArcType(),r=i||{withTransitionForAxis:a};r.withTransitionForTransform=!1,n.transiting=!1,n.setTargetType(t,e),n.updateTargets(n.data.targets),n.updateAndRedraw(r)},b.x=function(t){var e=this.internal;return arguments.length&&(e.updateTargetX(e.data.targets,t),e.redraw({withUpdateOrgXDomain:!0,withUpdateXDomain:!0})),e.data.xs},b.xs=function(t){var e=this.internal;return arguments.length&&(e.updateTargetXs(e.data.targets,t),e.redraw({withUpdateOrgXDomain:!0,withUpdateXDomain:!0})),e.data.xs},b.zoom=function(t){var e=this.internal;return t?(e.isTimeSeries()&&(t=t.map(function(t){return e.parseDate(t)})),e.config.subchart_show?e.brush.selectionAsValue(t,!0):(e.updateXDomain(null,!0,!1,!1,t),e.redraw({withY:e.config.zoom_rescale,withSubchart:!1})),e.config.zoom_onzoom.call(this,e.x.orgDomain()),t):e.x.domain()},b.zoom.enable=function(t){var e=this.internal;e.config.zoom_enabled=t,e.updateAndRedraw()},b.unzoom=function(){var t=this.internal;t.config.subchart_show?t.brush.clear():(t.updateXDomain(null,!0,!1,!1,t.subX.domain()),t.redraw({withY:t.config.zoom_rescale,withSubchart:!1}))},b.zoom.max=function(t){var e=this.internal,i=e.config,n=e.d3;if(0!==t&&!t)return i.zoom_x_max;i.zoom_x_max=n.max([e.orgXDomain[1],t])},b.zoom.min=function(t){var e=this.internal,i=e.config,n=e.d3;if(0!==t&&!t)return i.zoom_x_min;i.zoom_x_min=n.min([e.orgXDomain[0],t])},b.zoom.range=function(t){if(!arguments.length)return{max:this.domain.max(),min:this.domain.min()};l(t.max)&&this.domain.max(t.max),l(t.min)&&this.domain.min(t.min)},T.initPie=function(){var t=this,e=t.d3;t.pie=e.pie().value(function(t){return t.values.reduce(function(t,e){return t+e.value},0)});var i=t.getOrderFunction();if(i&&(t.isOrderAsc()||t.isOrderDesc())){var n=i;i=function(t,e){return-1*n(t,e)}}t.pie.sort(i||null)},T.updateRadius=function(){var t=this,e=t.config,i=e.gauge_width||e.donut_width,n=t.filterTargetsToShow(t.data.targets).length*t.config.gauge_arcs_minWidth;t.radiusExpanded=Math.min(t.arcWidth,t.arcHeight)/2*(t.hasType("gauge")?.85:1),t.radius=.95*t.radiusExpanded,t.innerRadiusRatio=i?(t.radius-i)/t.radius:.6,t.innerRadius=t.hasType("donut")||t.hasType("gauge")?t.radius*t.innerRadiusRatio:0,t.gaugeArcWidth=i||(n<=t.radius-t.innerRadius?t.radius-t.innerRadius:n<=t.radius?n:t.radius)},T.updateArc=function(){var t=this;t.svgArc=t.getSvgArc(),t.svgArcExpanded=t.getSvgArcExpanded(),t.svgArcExpandedSub=t.getSvgArcExpanded(.98)},T.updateAngle=function(t){var e,i,n,a,r=this,s=r.config,o=!1,c=0;return s?(r.pie(r.filterTargetsToShow(r.data.targets)).forEach(function(e){o||e.data.id!==t.data.id||(o=!0,(t=e).index=c),c++}),isNaN(t.startAngle)&&(t.startAngle=0),isNaN(t.endAngle)&&(t.endAngle=t.startAngle),r.isGaugeType(t.data)&&(e=s.gauge_min,i=s.gauge_max,n=Math.PI*(s.gauge_fullCircle?2:1)/(i-e),a=t.value<e?0:t.value<i?t.value-e:i-e,t.startAngle=s.gauge_startingAngle,t.endAngle=t.startAngle+n*a),o?t:null):null},T.getSvgArc=function(){var t=this,e=t.hasType("gauge"),i=t.gaugeArcWidth/t.filterTargetsToShow(t.data.targets).length,n=t.d3.arc().outerRadius(function(n){return e?t.radius-i*n.index:t.radius}).innerRadius(function(n){return e?t.radius-i*(n.index+1):t.innerRadius}),a=function(e,i){var a;return i?n(e):(a=t.updateAngle(e))?n(a):"M 0 0"};return a.centroid=n.centroid,a},T.getSvgArcExpanded=function(t){t=t||1;var e=this,i=e.hasType("gauge"),n=e.gaugeArcWidth/e.filterTargetsToShow(e.data.targets).length,a=Math.min(e.radiusExpanded*t-e.radius,.8*n-100*(1-t)),r=e.d3.arc().outerRadius(function(r){return i?e.radius-n*r.index+a:e.radiusExpanded*t}).innerRadius(function(t){return i?e.radius-n*(t.index+1):e.innerRadius});return function(t){var i=e.updateAngle(t);return i?r(i):"M 0 0"}},T.getArc=function(t,e,i){return i||this.isArcType(t.data)?this.svgArc(t,e):"M 0 0"},T.transformForArcLabel=function(t){var e,i,n,a,r,s=this,c=s.config,d=s.updateAngle(t),u="",l=s.hasType("gauge");if(d&&!l)e=this.svgArc.centroid(d),i=isNaN(e[0])?0:e[0],n=isNaN(e[1])?0:e[1],a=Math.sqrt(i*i+n*n),u="translate("+i*(r=s.hasType("donut")&&c.donut_label_ratio?o(c.donut_label_ratio)?c.donut_label_ratio(t,s.radius,a):c.donut_label_ratio:s.hasType("pie")&&c.pie_label_ratio?o(c.pie_label_ratio)?c.pie_label_ratio(t,s.radius,a):c.pie_label_ratio:s.radius&&a?(36/s.radius>.375?1.175-36/s.radius:.8)*s.radius/a:0)+","+n*r+")";else if(d&&l&&s.filterTargetsToShow(s.data.targets).length>1){var h=Math.sin(d.endAngle-Math.PI/2);u="translate("+(i=Math.cos(d.endAngle-Math.PI/2)*(s.radiusExpanded+25))+","+(n=h*(s.radiusExpanded+15-Math.abs(10*h))+3)+")"}return u},T.getArcRatio=function(t){var e=this.config,i=Math.PI*(this.hasType("gauge")&&!e.gauge_fullCircle?1:2);return t?(t.endAngle-t.startAngle)/i:null},T.convertToArcData=function(t){return this.addName({id:t.data.id,value:t.value,ratio:this.getArcRatio(t),index:t.index})},T.textForArcLabel=function(t){var e,i,n,a,r,s=this;return s.shouldShowArcLabel()?(i=(e=s.updateAngle(t))?e.value:null,n=s.getArcRatio(e),a=t.data.id,s.hasType("gauge")||s.meetsArcLabelThreshold(n)?(r=s.getArcLabelFormat())?r(i,n,a):s.defaultArcValueFormat(i,n):""):""},T.textForGaugeMinMax=function(t,e){var i=this.getGaugeLabelExtents();return i?i(t,e):t},T.expandArc=function(t){var e,n=this;n.transiting?e=window.setInterval(function(){n.transiting||(window.clearInterval(e),n.legend.selectAll(".c3-legend-item-focused").size()>0&&n.expandArc(t))},10):(t=n.mapToTargetIds(t),n.svg.selectAll(n.selectorTargets(t,"."+i.chartArc)).each(function(t){n.shouldExpand(t.data.id)&&n.d3.select(this).selectAll("path").transition().duration(n.expandDuration(t.data.id)).attr("d",n.svgArcExpanded).transition().duration(2*n.expandDuration(t.data.id)).attr("d",n.svgArcExpandedSub).each(function(t){n.isDonutType(t.data)})}))},T.unexpandArc=function(t){var e=this;e.transiting||(t=e.mapToTargetIds(t),e.svg.selectAll(e.selectorTargets(t,"."+i.chartArc)).selectAll("path").transition().duration(function(t){return e.expandDuration(t.data.id)}).attr("d",e.svgArc),e.svg.selectAll("."+i.arc))},T.expandDuration=function(t){var e=this.config;return this.isDonutType(t)?e.donut_expand_duration:this.isGaugeType(t)?e.gauge_expand_duration:this.isPieType(t)?e.pie_expand_duration:50},T.shouldExpand=function(t){var e=this.config;return this.isDonutType(t)&&e.donut_expand||this.isGaugeType(t)&&e.gauge_expand||this.isPieType(t)&&e.pie_expand},T.shouldShowArcLabel=function(){var t=this.config,e=!0;return this.hasType("donut")?e=t.donut_label_show:this.hasType("pie")&&(e=t.pie_label_show),e},T.meetsArcLabelThreshold=function(t){var e=this.config;return t>=(this.hasType("donut")?e.donut_label_threshold:e.pie_label_threshold)},T.getArcLabelFormat=function(){var t=this.config,e=t.pie_label_format;return this.hasType("gauge")?e=t.gauge_label_format:this.hasType("donut")&&(e=t.donut_label_format),e},T.getGaugeLabelExtents=function(){return this.config.gauge_label_extents},T.getArcTitle=function(){return this.hasType("donut")?this.config.donut_title:""},T.updateTargetsForArc=function(t){var e,n=this,a=n.main,r=n.classChartArc.bind(n),s=n.classArcs.bind(n),o=n.classFocus.bind(n);(e=a.select("."+i.chartArcs).selectAll("."+i.chartArc).data(n.pie(t)).attr("class",function(t){return r(t)+o(t.data)}).enter().append("g").attr("class",r)).append("g").attr("class",s),e.append("text").attr("dy",n.hasType("gauge")?"-.1em":".35em").style("opacity",0).style("text-anchor","middle").style("pointer-events","none")},T.initArc=function(){var t=this;t.arcs=t.main.select("."+i.chart).append("g").attr("class",i.chartArcs).attr("transform",t.getTranslate("arc")),t.arcs.append("text").attr("class",i.chartArcsTitle).style("text-anchor","middle").text(t.getArcTitle())},T.redrawArc=function(t,e,n){var a,r,s,o,c,d=this,u=d.d3,l=d.config,h=d.main,g=d.hasType("gauge");if(r=(a=h.selectAll("."+i.arcs).selectAll("."+i.arc).data(d.arcData.bind(d))).enter().append("path").attr("class",d.classArc.bind(d)).style("fill",function(t){return d.color(t.data)}).style("cursor",function(t){return l.interaction_enabled&&l.data_selection_isselectable(t)?"pointer":null}).each(function(t){d.isGaugeType(t.data)&&(t.startAngle=t.endAngle=l.gauge_startingAngle),this._current=t}).merge(a),g&&(c=(o=h.selectAll("."+i.arcs).selectAll("."+i.arcLabelLine).data(d.arcData.bind(d))).enter().append("rect").attr("class",function(t){return i.arcLabelLine+" "+i.target+" "+i.target+"-"+t.data.id}).merge(o),1===d.filterTargetsToShow(d.data.targets).length?c.style("display","none"):c.style("fill",function(t){return l.color_pattern.length>0?d.levelColor(t.data.values[0].value):d.color(t.data)}).style("display",l.gauge_labelLine_show?"":"none").each(function(t){var e=0,i=0,n=0,a="";if(d.hiddenTargetIds.indexOf(t.data.id)<0){var r=d.updateAngle(t),s=d.gaugeArcWidth/d.filterTargetsToShow(d.data.targets).length*(r.index+1),o=r.endAngle-Math.PI/2,c=d.radius-s,l=o-(0===c?0:1/c);e=d.radiusExpanded-d.radius+s,i=Math.cos(l)*c,n=Math.sin(l)*c,a="rotate("+180*o/Math.PI+", "+i+", "+n+")"}u.select(this).attr("x",i).attr("y",n).attr("width",e).attr("height",2).attr("transform",a).style("stroke-dasharray","0, "+(e+2)+", 0")})),r.attr("transform",function(t){return!d.isGaugeType(t.data)&&n?"scale(0)":""}).on("mouseover",l.interaction_enabled?function(t){var e,i;d.transiting||(e=d.updateAngle(t))&&(i=d.convertToArcData(e),d.expandArc(e.data.id),d.api.focus(e.data.id),d.toggleFocusLegend(e.data.id,!0),d.config.data_onmouseover(i,this))}:null).on("mousemove",l.interaction_enabled?function(t){var e,i=d.updateAngle(t);i&&(e=[d.convertToArcData(i)],d.showTooltip(e,this))}:null).on("mouseout",l.interaction_enabled?function(t){var e,i;d.transiting||(e=d.updateAngle(t))&&(i=d.convertToArcData(e),d.unexpandArc(e.data.id),d.api.revert(),d.revertLegend(),d.hideTooltip(),d.config.data_onmouseout(i,this))}:null).on("click",l.interaction_enabled?function(t,e){var i,n=d.updateAngle(t);n&&(i=d.convertToArcData(n),d.toggleShape&&d.toggleShape(this,i,e),d.config.data_onclick.call(d.api,i,this))}:null).each(function(){d.transiting=!0}).transition().duration(t).attrTween("d",function(t){var e,i=d.updateAngle(t);return i?(isNaN(this._current.startAngle)&&(this._current.startAngle=0),isNaN(this._current.endAngle)&&(this._current.endAngle=this._current.startAngle),e=u.interpolate(this._current,i),this._current=e(0),function(i){var n=e(i);return n.data=t.data,d.getArc(n,!0)}):function(){return"M 0 0"}}).attr("transform",n?"scale(1)":"").style("fill",function(t){return d.levelColor?d.levelColor(t.data.values[0].value):d.color(t.data.id)}).call(d.endall,function(){d.transiting=!1}),a.exit().transition().duration(e).style("opacity",0).remove(),h.selectAll("."+i.chartArc).select("text").style("opacity",0).attr("class",function(t){return d.isGaugeType(t.data)?i.gaugeValue:""}).text(d.textForArcLabel.bind(d)).attr("transform",d.transformForArcLabel.bind(d)).style("font-size",function(t){return d.isGaugeType(t.data)&&1===d.filterTargetsToShow(d.data.targets).length?Math.round(d.radius/5)+"px":""}).transition().duration(t).style("opacity",function(t){return d.isTargetToShow(t.data.id)&&d.isArcType(t.data)?1:0}),h.select("."+i.chartArcsTitle).style("opacity",d.hasType("donut")||g?1:0),g){var f=0;(s=d.arcs.select("g."+i.chartArcsBackground).selectAll("path."+i.chartArcsBackground).data(d.data.targets)).enter().append("path"),s.attr("class",function(t,e){return i.chartArcsBackground+" "+i.chartArcsBackground+"-"+e}).attr("d",function(t){if(d.hiddenTargetIds.indexOf(t.id)>=0)return"M 0 0";var e={data:[{value:l.gauge_max}],startAngle:l.gauge_startingAngle,endAngle:-1*l.gauge_startingAngle*(l.gauge_fullCircle?Math.PI:1),index:f++};return d.getArc(e,!0,!0)}),s.exit().remove(),d.arcs.select("."+i.chartArcsGaugeUnit).attr("dy",".75em").text(l.gauge_label_show?l.gauge_units:""),d.arcs.select("."+i.chartArcsGaugeMin).attr("dx",-1*(d.innerRadius+(d.radius-d.innerRadius)/(l.gauge_fullCircle?1:2))+"px").attr("dy","1.2em").text(l.gauge_label_show?d.textForGaugeMinMax(l.gauge_min,!1):""),d.arcs.select("."+i.chartArcsGaugeMax).attr("dx",d.innerRadius+(d.radius-d.innerRadius)/(l.gauge_fullCircle?1:2)+"px").attr("dy","1.2em").text(l.gauge_label_show?d.textForGaugeMinMax(l.gauge_max,!0):"")}},T.initGauge=function(){var t=this.arcs;this.hasType("gauge")&&(t.append("g").attr("class",i.chartArcsBackground),t.append("text").attr("class",i.chartArcsGaugeUnit).style("text-anchor","middle").style("pointer-events","none"),t.append("text").attr("class",i.chartArcsGaugeMin).style("text-anchor","middle").style("pointer-events","none"),t.append("text").attr("class",i.chartArcsGaugeMax).style("text-anchor","middle").style("pointer-events","none"))},T.getGaugeLabelHeight=function(){return this.config.gauge_label_show?20:0},T.hasCaches=function(t){for(var e=0;e<t.length;e++)if(!(t[e]in this.cache))return!1;return!0},T.addCache=function(t,e){this.cache[t]=this.cloneTarget(e)},T.getCaches=function(t){var e,i=[];for(e=0;e<t.length;e++)t[e]in this.cache&&i.push(this.cloneTarget(this.cache[t[e]]));return i},T.categoryName=function(t){var e=this.config;return t<e.axis_x_categories.length?e.axis_x_categories[t]:t},T.generateTargetClass=function(t){return t||0===t?("-"+t).replace(/\s/g,"-"):""},T.generateClass=function(t,e){return" "+t+" "+t+this.generateTargetClass(e)},T.classText=function(t){return this.generateClass(i.text,t.index)},T.classTexts=function(t){return this.generateClass(i.texts,t.id)},T.classShape=function(t){return this.generateClass(i.shape,t.index)},T.classShapes=function(t){return this.generateClass(i.shapes,t.id)},T.classLine=function(t){return this.classShape(t)+this.generateClass(i.line,t.id)},T.classLines=function(t){return this.classShapes(t)+this.generateClass(i.lines,t.id)},T.classCircle=function(t){return this.classShape(t)+this.generateClass(i.circle,t.index)},T.classCircles=function(t){return this.classShapes(t)+this.generateClass(i.circles,t.id)},T.classBar=function(t){return this.classShape(t)+this.generateClass(i.bar,t.index)},T.classBars=function(t){return this.classShapes(t)+this.generateClass(i.bars,t.id)},T.classArc=function(t){return this.classShape(t.data)+this.generateClass(i.arc,t.data.id)},T.classArcs=function(t){return this.classShapes(t.data)+this.generateClass(i.arcs,t.data.id)},T.classArea=function(t){return this.classShape(t)+this.generateClass(i.area,t.id)},T.classAreas=function(t){return this.classShapes(t)+this.generateClass(i.areas,t.id)},T.classRegion=function(t,e){return this.generateClass(i.region,e)+" "+("class"in t?t.class:"")},T.classEvent=function(t){return this.generateClass(i.eventRect,t.index)},T.classTarget=function(t){var e=this.config.data_classes[t],n="";return e&&(n=" "+i.target+"-"+e),this.generateClass(i.target,t)+n},T.classFocus=function(t){return this.classFocused(t)+this.classDefocused(t)},T.classFocused=function(t){return" "+(this.focusedTargetIds.indexOf(t.id)>=0?i.focused:"")},T.classDefocused=function(t){return" "+(this.defocusedTargetIds.indexOf(t.id)>=0?i.defocused:"")},T.classChartText=function(t){return i.chartText+this.classTarget(t.id)},T.classChartLine=function(t){return i.chartLine+this.classTarget(t.id)},T.classChartBar=function(t){return i.chartBar+this.classTarget(t.id)},T.classChartArc=function(t){return i.chartArc+this.classTarget(t.data.id)},T.getTargetSelectorSuffix=function(t){return this.generateTargetClass(t).replace(/([?!@#$%^&*()_=+,.<>'":;\[\]\/|~`{}\\])/g,"\\$1")},T.selectorTarget=function(t,e){return(e||"")+"."+i.target+this.getTargetSelectorSuffix(t)},T.selectorTargets=function(t,e){var i=this;return(t=t||[]).length?t.map(function(t){return i.selectorTarget(t,e)}):null},T.selectorLegend=function(t){return"."+i.legendItem+this.getTargetSelectorSuffix(t)},T.selectorLegends=function(t){var e=this;return t&&t.length?t.map(function(t){return e.selectorLegend(t)}):null},T.getClipPath=function(t){return"url("+(window.navigator.appVersion.toLowerCase().indexOf("msie 9.")>=0?"":document.URL.split("#")[0])+"#"+t+")"},T.appendClip=function(t,e){return t.append("clipPath").attr("id",e).append("rect")},T.getAxisClipX=function(t){var e=Math.max(30,this.margin.left);return t?-(1+e):-(e-1)},T.getAxisClipY=function(t){return t?-20:-this.margin.top},T.getXAxisClipX=function(){return this.getAxisClipX(!this.config.axis_rotated)},T.getXAxisClipY=function(){return this.getAxisClipY(!this.config.axis_rotated)},T.getYAxisClipX=function(){return this.config.axis_y_inner?-1:this.getAxisClipX(this.config.axis_rotated)},T.getYAxisClipY=function(){return this.getAxisClipY(this.config.axis_rotated)},T.getAxisClipWidth=function(t){var e=Math.max(30,this.margin.left),i=Math.max(30,this.margin.right);return t?this.width+2+e+i:this.margin.left+20},T.getAxisClipHeight=function(t){return(t?this.margin.bottom:this.margin.top+this.height)+20},T.getXAxisClipWidth=function(){return this.getAxisClipWidth(!this.config.axis_rotated)},T.getXAxisClipHeight=function(){return this.getAxisClipHeight(!this.config.axis_rotated)},T.getYAxisClipWidth=function(){return this.getAxisClipWidth(this.config.axis_rotated)+(this.config.axis_y_inner?20:0)},T.getYAxisClipHeight=function(){return this.getAxisClipHeight(this.config.axis_rotated)},T.generateColor=function(){var t=this.config,e=this.d3,i=t.data_colors,n=_(t.color_pattern)?t.color_pattern:e.schemeCategory10,a=t.data_color,r=[];return function(t){var e,s=t.id||t.data&&t.data.id||t;return i[s]instanceof Function?e=i[s](t):i[s]?e=i[s]:(r.indexOf(s)<0&&r.push(s),e=n[r.indexOf(s)%n.length],i[s]=e),a instanceof Function?a(e,t):e}},T.generateLevelColor=function(){var t=this.config,e=t.color_pattern,i=t.color_threshold,n="value"===i.unit,a=i.values&&i.values.length?i.values:[],r=i.max||100;return _(t.color_threshold)?function(t){var i,s=e[e.length-1];for(i=0;i<a.length;i++)if((n?t:100*t/r)<a[i]){s=e[i];break}return s}:null},T.getDefaultConfig=function(){var t={bindto:"#chart",svg_classname:void 0,size_width:void 0,size_height:void 0,padding_left:void 0,padding_right:void 0,padding_top:void 0,padding_bottom:void 0,resize_auto:!0,zoom_enabled:!1,zoom_initialRange:void 0,zoom_privileged:!1,zoom_rescale:!1,zoom_onzoom:function(){},zoom_onzoomstart:function(){},zoom_onzoomend:function(){},zoom_x_min:void 0,zoom_x_max:void 0,interaction_brighten:!0,interaction_enabled:!0,onmouseover:function(){},onmouseout:function(){},onresize:function(){},onresized:function(){},oninit:function(){},onrendered:function(){},transition_duration:350,data_x:void 0,data_xs:{},data_xFormat:"%Y-%m-%d",data_xLocaltime:!0,data_xSort:!0,data_idConverter:function(t){return t},data_names:{},data_classes:{},data_groups:[],data_axes:{},data_type:void 0,data_types:{},data_labels:{},data_order:"desc",data_regions:{},data_color:void 0,data_colors:{},data_hide:!1,data_filter:void 0,data_selection_enabled:!1,data_selection_grouped:!1,data_selection_isselectable:function(){return!0},data_selection_multiple:!0,data_selection_draggable:!1,data_onclick:function(){},data_onmouseover:function(){},data_onmouseout:function(){},data_onselected:function(){},data_onunselected:function(){},data_url:void 0,data_headers:void 0,data_json:void 0,data_rows:void 0,data_columns:void 0,data_mimeType:void 0,data_keys:void 0,data_empty_label_text:"",subchart_show:!1,subchart_size_height:60,subchart_axis_x_show:!0,subchart_onbrush:function(){},color_pattern:[],color_threshold:{},legend_show:!0,legend_hide:!1,legend_position:"bottom",legend_inset_anchor:"top-left",legend_inset_x:10,legend_inset_y:0,legend_inset_step:void 0,legend_item_onclick:void 0,legend_item_onmouseover:void 0,legend_item_onmouseout:void 0,legend_equally:!1,legend_padding:0,legend_item_tile_width:10,legend_item_tile_height:10,axis_rotated:!1,axis_x_show:!0,axis_x_type:"indexed",axis_x_localtime:!0,axis_x_categories:[],axis_x_tick_centered:!1,axis_x_tick_format:void 0,axis_x_tick_culling:{},axis_x_tick_culling_max:10,axis_x_tick_count:void 0,axis_x_tick_fit:!0,axis_x_tick_values:null,axis_x_tick_rotate:0,axis_x_tick_outer:!0,axis_x_tick_multiline:!0,axis_x_tick_multilineMax:0,axis_x_tick_width:null,axis_x_max:void 0,axis_x_min:void 0,axis_x_padding:{},axis_x_height:void 0,axis_x_selection:void 0,axis_x_label:{},axis_x_inner:void 0,axis_y_show:!0,axis_y_type:void 0,axis_y_max:void 0,axis_y_min:void 0,axis_y_inverted:!1,axis_y_center:void 0,axis_y_inner:void 0,axis_y_label:{},axis_y_tick_format:void 0,axis_y_tick_outer:!0,axis_y_tick_values:null,axis_y_tick_rotate:0,axis_y_tick_count:void 0,axis_y_tick_time_type:void 0,axis_y_tick_time_interval:void 0,axis_y_padding:{},axis_y_default:void 0,axis_y2_show:!1,axis_y2_max:void 0,axis_y2_min:void 0,axis_y2_inverted:!1,axis_y2_center:void 0,axis_y2_inner:void 0,axis_y2_label:{},axis_y2_tick_format:void 0,axis_y2_tick_outer:!0,axis_y2_tick_values:null,axis_y2_tick_count:void 0,axis_y2_padding:{},axis_y2_default:void 0,grid_x_show:!1,grid_x_type:"tick",grid_x_lines:[],grid_y_show:!1,grid_y_lines:[],grid_y_ticks:10,grid_focus_show:!0,grid_lines_front:!0,point_show:!0,point_r:2.5,point_sensitivity:10,point_focus_expand_enabled:!0,point_focus_expand_r:void 0,point_select_r:void 0,line_connectNull:!1,line_step_type:"step",bar_width:void 0,bar_width_ratio:.6,bar_width_max:void 0,bar_zerobased:!0,bar_space:0,area_zerobased:!0,area_above:!1,pie_label_show:!0,pie_label_format:void 0,pie_label_threshold:.05,pie_label_ratio:void 0,pie_expand:{},pie_expand_duration:50,gauge_fullCircle:!1,gauge_label_show:!0,gauge_labelLine_show:!0,gauge_label_format:void 0,gauge_min:0,gauge_max:100,gauge_startingAngle:-1*Math.PI/2,gauge_label_extents:void 0,gauge_units:void 0,gauge_width:void 0,gauge_arcs_minWidth:5,gauge_expand:{},gauge_expand_duration:50,donut_label_show:!0,donut_label_format:void 0,donut_label_threshold:.05,donut_label_ratio:void 0,donut_width:void 0,donut_title:"",donut_expand:{},donut_expand_duration:50,spline_interpolation_type:"cardinal",regions:[],tooltip_show:!0,tooltip_grouped:!0,tooltip_order:void 0,tooltip_format_title:void 0,tooltip_format_name:void 0,tooltip_format_value:void 0,tooltip_position:void 0,tooltip_contents:function(t,e,i,n){return this.getTooltipContent?this.getTooltipContent(t,e,i,n):""},tooltip_init_show:!1,tooltip_init_x:0,tooltip_init_position:{top:"0px",left:"50px"},tooltip_onshow:function(){},tooltip_onhide:function(){},title_text:void 0,title_padding:{top:0,right:0,bottom:0,left:0},title_position:"top-center"};return Object.keys(this.additionalConfig).forEach(function(e){t[e]=this.additionalConfig[e]},this),t},T.additionalConfig={},T.loadConfig=function(t){var e,i,a,r=this.config;Object.keys(r).forEach(function(s){e=t,i=s.split("_"),a=function t(){var a=i.shift();return a&&e&&"object"===(void 0===e?"undefined":n(e))&&a in e?(e=e[a],t()):a?void 0:e}(),l(a)&&(r[s]=a)})},T.convertUrlToData=function(t,e,i,n,a){var r,s,o=this,c=e||"csv";"json"===c?(r=o.d3.json,s=o.convertJsonToData):"tsv"===c?(r=o.d3.tsv,s=o.convertXsvToData):(r=o.d3.csv,s=o.convertXsvToData),r(t,i).then(function(t){a.call(o,s.call(o,t,n))}).catch(function(t){throw t})},T.convertXsvToData=function(t){var e=t.columns;return 0===t.length?{keys:e,rows:[e.reduce(function(t,e){return Object.assign(t,(a=null,(n=e)in(i={})?Object.defineProperty(i,n,{value:a,enumerable:!0,configurable:!0,writable:!0}):i[n]=a,i));var i,n,a},{})]}:{keys:e,rows:[].concat(t)}},T.convertJsonToData=function(t,e){var i,n,a=this,r=[];return e?(e.x?(i=e.value.concat(e.x),a.config.data_x=e.x):i=e.value,r.push(i),t.forEach(function(t){var e=[];i.forEach(function(i){var n=a.findValueInJson(t,i);u(n)&&(n=null),e.push(n)}),r.push(e)}),n=a.convertRowsToData(r)):(Object.keys(t).forEach(function(e){r.push([e].concat(t[e]))}),n=a.convertColumnsToData(r)),n},T.findValueInJson=function(t,e){for(var i=(e=(e=e.replace(/\[(\w+)\]/g,".$1")).replace(/^\./,"")).split("."),n=0;n<i.length;++n){var a=i[n];if(!(a in t))return;t=t[a]}return t},T.convertRowsToData=function(t){for(var e=[],i=t[0],n=1;n<t.length;n++){for(var a={},r=0;r<t[n].length;r++){if(u(t[n][r]))throw new Error("Source data is missing a component at ("+n+","+r+")!");a[i[r]]=t[n][r]}e.push(a)}return{keys:i,rows:e}},T.convertColumnsToData=function(t){for(var e=[],i=[],n=0;n<t.length;n++){for(var a=t[n][0],r=1;r<t[n].length;r++){if(u(e[r-1])&&(e[r-1]={}),u(t[n][r]))throw new Error("Source data is missing a component at ("+n+","+r+")!");e[r-1][a]=t[n][r]}i.push(a)}return{keys:i,rows:e}},T.convertDataToTargets=function(t,e){var i,n,a,r,o=this,d=o.config;return c(t)?r=Object.keys(t[0]):(r=t.keys,t=t.rows),n=r.filter(o.isNotX,o),a=r.filter(o.isX,o),n.forEach(function(i){var n=o.getXKey(i);o.isCustomX()||o.isTimeSeries()?a.indexOf(n)>=0?o.data.xs[i]=(e&&o.data.xs[i]?o.data.xs[i]:[]).concat(t.map(function(t){return t[n]}).filter(s).map(function(t,e){return o.generateTargetX(t,i,e)})):d.data_x?o.data.xs[i]=o.getOtherTargetXs():_(d.data_xs)&&(o.data.xs[i]=o.getXValuesOfXKey(n,o.data.targets)):o.data.xs[i]=t.map(function(t,e){return e})}),n.forEach(function(t){if(!o.data.xs[t])throw new Error('x is not defined for id = "'+t+'".')}),(i=n.map(function(e,i){var n=d.data_idConverter(e);return{id:n,id_org:e,values:t.map(function(t,a){var r,s=t[o.getXKey(e)],c=null===t[e]||isNaN(t[e])?null:+t[e];return o.isCustomX()&&o.isCategorized()&&!u(s)?(0===i&&0===a&&(d.axis_x_categories=[]),-1===(r=d.axis_x_categories.indexOf(s))&&(r=d.axis_x_categories.length,d.axis_x_categories.push(s))):r=o.generateTargetX(s,e,a),(u(t[e])||o.data.xs[e].length<=a)&&(r=void 0),{x:r,value:c,id:n}}).filter(function(t){return l(t.x)})}})).forEach(function(t){var e;d.data_xSort&&(t.values=t.values.sort(function(t,e){return(t.x||0===t.x?t.x:1/0)-(e.x||0===e.x?e.x:1/0)})),e=0,t.values.forEach(function(t){t.index=e++}),o.data.xs[t.id].sort(function(t,e){return t-e})}),o.hasNegativeValue=o.hasNegativeValueInTargets(i),o.hasPositiveValue=o.hasPositiveValueInTargets(i),d.data_type&&o.setTargetType(o.mapToIds(i).filter(function(t){return!(t in d.data_types)}),d.data_type),i.forEach(function(t){o.addCache(t.id_org,t)}),i},T.isX=function(t){var e=this.config;return e.data_x&&t===e.data_x||_(e.data_xs)&&y(e.data_xs,t)},T.isNotX=function(t){return!this.isX(t)},T.getXKey=function(t){var e=this.config;return e.data_x?e.data_x:_(e.data_xs)?e.data_xs[t]:null},T.getXValuesOfXKey=function(t,e){var i,n=this;return(e&&_(e)?n.mapToIds(e):[]).forEach(function(e){n.getXKey(e)===t&&(i=n.data.xs[e])}),i},T.getXValue=function(t,e){return t in this.data.xs&&this.data.xs[t]&&s(this.data.xs[t][e])?this.data.xs[t][e]:e},T.getOtherTargetXs=function(){var t=Object.keys(this.data.xs);return t.length?this.data.xs[t[0]]:null},T.getOtherTargetX=function(t){var e=this.getOtherTargetXs();return e&&t<e.length?e[t]:null},T.addXs=function(t){var e=this;Object.keys(t).forEach(function(i){e.con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axDataCount())>1?c/(e-1)/2:.5:.01*c,"object"===n(o.axis_x_padding)&&_(o.axis_x_padding)?(a=s(o.axis_x_padding.left)?o.axis_x_padding.left:i,r=s(o.axis_x_padding.right)?o.axis_x_padding.right:i):a=r="number"==typeof o.axis_x_padding?o.axis_x_padding:i,{left:a,right:r}},T.getXDomain=function(t){var e=this,i=[e.getXDomainMin(t),e.getXDomainMax(t)],n=i[0],a=i[1],r=e.getXDomainPadding(i),s=0,o=0;return n-a!=0||e.isCategorized()||(e.isTimeSeries()?(n=new Date(.5*n.getTime()),a=new Date(1.5*a.getTime())):(n=0===n?1:.5*n,a=0===a?-1:1.5*a)),(n||0===n)&&(s=e.isTimeSeries()?new Date(n.getTime()-r.left):n-r.left),(a||0===a)&&(o=e.isTimeSeries()?new Date(a.getTime()+r.right):a+r.right),[s,o]},T.updateXDomain=function(t,e,i,n,a){var r=this,s=r.config;return i&&(r.x.domain(a||r.d3.extent(r.getXDomain(t))),r.orgXDomain=r.x.domain(),s.zoom_enabled&&r.zoom.update(),r.subX.domain(r.x.domain()),r.brush&&r.brush.updateScale(r.subX)),e&&r.x.domain(a||(!r.brush||r.brush.empty()?r.orgXDomain:r.brush.selectionAsValue())),n&&r.x.domain(r.trimXDomain(r.x.orgDomain())),r.x.domain()},T.trimXDomain=function(t){var e=this.getZoomDomain(),i=e[0],n=e[1];return t[0]<=i&&(t[1]=+t[1]+(i-t[0]),t[0]=i),n<=t[1]&&(t[0]=+t[0]-(t[1]-n),t[1]=n),t},T.drag=function(t){var e,n,a,r,s,o,c,d,u=this,l=u.config,h=u.main,g=u.d3;u.hasArcType()||l.data_selection_enabled&&l.data_selection_multiple&&(e=u.dragStart[0],n=u.dragStart[1],a=t[0],r=t[1],s=Math.min(e,a),o=Math.max(e,a),c=l.data_selection_grouped?u.margin.top:Math.min(n,r),d=l.data_selection_grouped?u.height:Math.max(n,r),h.select("."+i.dragarea).attr("x",s).attr("y",c).attr("width",o-s).attr("height",d-c),h.selectAll("."+i.shapes).selectAll("."+i.shape).filter(function(t){return l.data_selection_isselectable(t)}).each(function(t,e){var n,a,r,l,h,f,p=g.select(this),_=p.classed(i.SELECTED),x=p.classed(i.INCLUDED),y=!1;if(p.classed(i.circle))n=1*p.attr("cx"),a=1*p.attr("cy"),h=u.togglePoint,y=s<n&&n<o&&c<a&&a<d;else{if(!p.classed(i.bar))return;n=(f=S(this)).x,a=f.y,r=f.width,l=f.height,h=u.togglePath,y=!(o<n||n+r<s||d<a||a+l<c)}y^x&&(p.classed(i.INCLUDED,!x),p.classed(i.SELECTED,!_),h.call(u,!_,p,t,e))}))},T.dragstart=function(t){var e=this,n=e.config;e.hasArcType()||n.data_selection_enabled&&(e.dragStart=t,e.main.select("."+i.chart).append("rect").attr("class",i.dragarea).style("opacity",.1),e.dragging=!0)},T.dragend=function(){var t=this,e=t.config;t.hasArcType()||e.data_selection_enabled&&(t.main.select("."+i.dragarea).transition().duration(100).style("opacity",0).remove(),t.main.selectAll("."+i.shape).classed(i.INCLUDED,!1),t.dragging=!1)},T.getYFormat=function(t){var e=this,i=t&&!e.hasType("gauge")?e.defaultArcValueFormat:e.yFormat,n=t&&!e.hasType("gauge")?e.defaultArcValueFormat:e.y2Format;return function(t,a,r){return("y2"===e.axis.getId(r)?n:i).call(e,t,a)}},T.yFormat=function(t){var e=this.config;return(e.axis_y_tick_format?e.axis_y_tick_format:this.defaultValueFormat)(t)},T.y2Format=function(t){var e=this.config;return(e.axis_y2_tick_format?e.axis_y2_tick_format:this.defaultValueFormat)(t)},T.defaultValueFormat=function(t){return s(t)?+t:""},T.defaultArcValueFormat=function(t,e){return(100*e).toFixed(1)+"%"},T.dataLabelFormat=function(t){var e=this.config.data_labels,i=function(t){return s(t)?+t:""};return"function"==typeof e.format?e.format:"object"===n(e.format)?e.format[t]?!0===e.format[t]?i:e.format[t]:function(){return""}:i},T.initGrid=function(){var t=this,e=t.config,n=t.d3;t.grid=t.main.append("g").attr("clip-path",t.clipPathForGrid).attr("class",i.grid),e.grid_x_show&&t.grid.append("g").attr("class",i.xgrids),e.grid_y_show&&t.grid.append("g").attr("class",i.ygrids),e.grid_focus_show&&t.grid.append("g").attr("class",i.xgridFocus).append("line").attr("class",i.xgridFocus),t.xgrid=n.selectAll([]),e.grid_lines_front||t.initGridLines()},T.initGridLines=function(){var t=this,e=t.d3;t.gridLines=t.main.append("g").attr("clip-path",t.clipPathForGrid).attr("class",i.grid+" "+i.gridLines),t.gridLines.append("g").attr("class",i.xgridLines),t.gridLines.append("g").attr("class",i.ygridLines),t.xgridLines=e.selectAll([])},T.updateXGrid=function(t){var e=this,n=e.config,a=e.d3,r=e.generateGridData(n.grid_x_type,e.x),s=e.isCategorized()?e.xAxis.tickOffset():0;e.xgridAttr=n.axis_rotated?{x1:0,x2:e.width,y1:function(t){return e.x(t)-s},y2:function(t){return e.x(t)-s}}:{x1:function(t){return e.x(t)+s},x2:function(t){return e.x(t)+s},y1:0,y2:e.height},e.xgridAttr.opacity=function(){return+a.select(this).attr(n.axis_rotated?"y1":"x1")===(n.axis_rotated?e.height:0)?0:1};var o=e.main.select("."+i.xgrids).selectAll("."+i.xgrid).data(r),c=o.enter().append("line").attr("class",i.xgrid).attr("x1",e.xgridAttr.x1).attr("x2",e.xgridAttr.x2).attr("y1",e.xgridAttr.y1).attr("y2",e.xgridAttr.y2).style("opacity",0);e.xgrid=c.merge(o),t||e.xgrid.attr("x1",e.xgridAttr.x1).attr("x2",e.xgridAttr.x2).attr("y1",e.xgridAttr.y1).attr("y2",e.xgridAttr.y2).style("opacity",e.xgridAttr.opacity),o.exit().remove()},T.updateYGrid=function(){var t=this,e=t.config,n=t.yAxis.tickValues()||t.y.ticks(e.grid_y_ticks),a=t.main.select("."+i.ygrids).selectAll("."+i.ygrid).data(n),r=a.enter().append("line").attr("class",i.ygrid);t.ygrid=r.merge(a),t.ygrid.attr("x1",e.axis_rotated?t.y:0).attr("x2",e.axis_rotated?t.y:t.width).attr("y1",e.axis_rotated?0:t.y).attr("y2",e.axis_rotated?t.height:t.y),a.exit().remove(),t.smoothLines(t.ygrid,"grid")},T.gridTextAnchor=function(t){return t.position?t.position:"end"},T.gridTextDx=function(t){return"start"===t.position?4:"middle"===t.position?0:-4},T.xGridTextX=function(t){return"start"===t.position?-this.height:"middle"===t.position?-this.height/2:0},T.yGridTextX=function(t){return"start"===t.position?0:"middle"===t.position?this.width/2:this.width},T.updateGrid=function(t){var e,n,a,r,s=this,o=s.main,c=s.config,d=s.xv.bind(s),u=s.yv.bind(s),l=s.xGridTextX.bind(s),h=s.yGridTextX.bind(s);s.grid.style("visibility",s.hasArcType()?"hidden":"visible"),o.select("line."+i.xgridFocus).style("visibility","hidden"),c.grid_x_show&&s.updateXGrid(),(n=(e=o.select("."+i.xgridLines).selectAll("."+i.xgridLine).data(c.grid_x_lines)).enter().append("g").attr("class",function(t){return i.xgridLine+(t.class?" "+t.class:"")})).append("line").attr("x1",c.axis_rotated?0:d).attr("x2",c.axis_rotated?s.width:d).attr("y1",c.axis_rotated?d:0).attr("y2",c.axis_rotated?d:s.height).style("opacity",0),n.append("text").attr("text-anchor",s.gridTextAnchor).attr("transform",c.axis_rotated?"":"rotate(-90)").attr("x",c.axis_rotated?h:l).attr("y",d).attr("dx",s.gridTextDx).attr("dy",-5).style("opacity",0),s.xgridLines=n.merge(e),e.exit().transition().duration(t).style("opacity",0).remove(),c.grid_y_show&&s.updateYGrid(),(r=(a=o.select("."+i.ygridLines).selectAll("."+i.ygridLine).data(c.grid_y_lines)).enter().append("g").attr("class",function(t){return i.ygridLine+(t.class?" "+t.class:"")})).append("line").attr("x1",c.axis_rotated?u:0).attr("x2",c.axis_rotated?u:s.width).attr("y1",c.axis_rotated?0:u).attr("y2",c.axis_rotated?s.height:u).style("opacity",0),r.append("text").attr("text-anchor",s.gridTextAnchor).attr("transform",c.axis_rotated?"rotate(-90)":"").attr("x",c.axis_rotated?l:h).attr("y",u).attr("dx",s.gridTextDx).attr("dy",-5).style("opacity",0),s.ygridLines=r.merge(a),s.ygridLines.select("line").transition().duration(t).attr("x1",c.axis_rotated?u:0).attr("x2",c.axis_rotated?u:s.width).attr("y1",c.axis_rotated?0:u).attr("y2",c.axis_rotated?s.height:u).style("opacity",1),s.ygridLines.select("text").transition().duration(t).attr("x",c.axis_rotated?s.xGridTextX.bind(s):s.yGridTextX.bind(s)).attr("y",u).text(function(t){return t.text}).style("opacity",1),a.exit().transition().duration(t).style("opacity",0).remove()},T.redrawGrid=function(t,e){var i=this,n=i.config,a=i.xv.bind(i),r=i.xgridLines.select("line"),s=i.xgridLines.select("text");return[(t?r.transition(e):r).attr("x1",n.axis_rotated?0:a).attr("x2",n.axis_rotated?i.width:a).attr("y1",n.axis_rotated?a:0).attr("y2",n.axis_rotated?a:i.height).style("opacity",1),(t?s.transition(e):s).attr("x",n.axis_rotated?i.yGridTextX.bind(i):i.xGridTextX.bind(i)).attr("y",a).text(function(t){return t.text}).style("opacity",1)]},T.showXGridFocus=function(t){var e=this,n=e.config,a=t.filter(function(t){return t&&s(t.value)}),r=e.main.selectAll("line."+i.xgridFocus),o=e.xx.bind(e);n.tooltip_show&&(e.hasType("scatter")||e.hasArcType()||(r.style("visibility","visible").data([a[0]]).attr(n.axis_rotated?"y1":"x1",o).attr(n.axis_rotated?"y2":"x2",o),e.smoothLines(r,"grid")))},T.hideXGridFocus=function(){this.main.select("line."+i.xgridFocus).style("visibility","hidden")},T.updateXgridFocus=function(){var t=this.config;this.main.select("line."+i.xgridFocus).attr("x1",t.axis_rotated?0:-10).attr("x2",t.axis_rotated?this.width:-10).attr("y1",t.axis_rotated?-10:0).attr("y2",t.axis_rotated?-10:this.height)},T.generateGridData=function(t,e){var n,a,r,s,o=[],c=this.main.select("."+i.axisX).selectAll(".tick").size();if("year"===t)for(a=(n=this.getXDomain())[0].getFullYear(),r=n[1].getFullYear(),s=a;s<=r;s++)o.push(new Date(s+"-01-01 00:00:00"));else(o=e.ticks(10)).length>c&&(o=o.filter(function(t){return(""+t).indexOf(".")<0}));return o},T.getGridFilterToRemove=function(t){return t?function(e){var i=!1;return[].concat(t).forEach(function(t){("value"in t&&e.value===t.value||"class"in t&&e.class===t.class)&&(i=!0)}),i}:function(){return!0}},T.removeGridLines=function(t,e){var n=this.config,a=this.getGridFilterToRemove(t),r=function(t){return!a(t)},s=e?i.xgridLines:i.ygridLines,o=e?i.xgridLine:i.ygridLine;this.main.select("."+s).selectAll("."+o).filter(a).transition().duration(n.transition_duration).style("opacity",0).remove(),e?n.grid_x_lines=n.grid_x_lines.filter(r):n.grid_y_lines=n.grid_y_lines.filter(r)},T.initEventRect=function(){var t=this,e=t.config;t.main.select("."+i.chart).append("g").attr("class",i.eventRects).style("fill-opacity",0),t.eventRect=t.main.select("."+i.eventRects).append("rect").attr("class",i.eventRect),e.zoom_enabled&&t.zoom&&(t.eventRect.call(t.zoom).on("dblclick.zoom",null),e.zoom_initialRange&&t.eventRect.transition().duration(0).call(t.zoom.transform,t.zoomTransform(e.zoom_initialRange)))},T.redrawEventRect=function(){var t,e,n=this,a=n.d3,r=n.config;function s(){n.svg.select("."+i.eventRect).style("cursor",null),n.hideXGridFocus(),n.hideTooltip(),n.unexpandCircles(),n.unexpandBars()}t=n.width,e=n.height,n.main.select("."+i.eventRects).style("cursor",r.zoom_enabled?r.axis_rotated?"ns-resize":"ew-resize":null),n.eventRect.attr("x",0).attr("y",0).attr("width",t).attr("height",e).on("mouseout",r.interaction_enabled?function(){r&&(n.hasArcType()||s())}:null).on("mousemove",r.interaction_enabled?function(){var t,e,o,c;n.dragging||n.hasArcType(t)||(t=n.filterTargetsToShow(n.data.targets),e=a.mouse(this),o=n.findClosestFromTargets(t,e),!n.mouseover||o&&o.id===n.mouseover.id||(r.data_onmouseout.call(n.api,n.mouseover),n.mouseover=void 0),o?(c=(n.isScatterType(o)||!r.tooltip_grouped?[o]:n.filterByX(t,o.x)).map(function(t){return n.addName(t)}),n.showTooltip(c,this),r.point_focus_expand_enabled&&(n.unexpandCircles(),c.forEach(function(t){n.expandCircles(t.index,t.id,!1)})),n.expandBars(o.index,o.id,!0),n.showXGridFocus(c),(n.isBarType(o.id)||n.dist(o,e)<r.point_sensitivity)&&(n.svg.select("."+i.eventRect).style("cursor","pointer"),n.mouseover||(r.data_onmouseover.call(n.api,o),n.mouseover=o))):s())}:null).on("click",r.interaction_enabled?function(){var t,e,s;n.hasArcType(t)||(t=n.filterTargetsToShow(n.data.targets),e=a.mouse(this),(s=n.findClosestFromTargets(t,e))&&(n.isBarType(s.id)||n.dist(s,e)<r.point_sensitivity)&&(n.isScatterType(s)||!r.data_selection_grouped?[s]:n.filterByX(t,s.x)).forEach(function(t){n.main.selectAll("."+i.shapes+n.getTargetSelectorSuffix(t.id)).selectAll("."+i.shape+"-"+t.index).each(function(){(r.data_selection_grouped||n.isWithinShape(this,t))&&(n.toggleShape(this,t,t.index),r.data_onclick.call(n.api,t,this))})}))}:null).call(r.interaction_enabled&&r.data_selection_draggable&&n.drag?a.drag().on("drag",function(){n.drag(a.mouse(this))}).on("start",function(){n.dragstart(a.mouse(this))}).on("end",function(){n.dragend()}):function(){})},T.getMousePosition=function(t){return[this.x(t.x),this.getYScale(t.id)(t.value)]},T.dispatchEvent=function(t,e){var n="."+i.eventRect,a=this.main.select(n).node(),r=a.getBoundingClientRect(),s=r.left+(e?e[0]:0),o=r.top+(e?e[1]:0),c=document.createEvent("MouseEvents");c.initMouseEvent(t,!0,!0,window,0,s,o,s,o,!1,!1,!1,!1,0,null),a.dispatchEvent(c)},T.initLegend=function(){var t=this;if(t.legendItemTextBox={},t.legendHasRendered=!1,t.legend=t.svg.append("g").attr("transform",t.getTranslate("legend")),!t.config.legend_show)return t.legend.style("visibility","hidden"),void(t.hiddenLegendIds=t.mapToIds(t.data.targets));t.updateLegendWithDefaults()},T.updateLegendWithDefaults=function(){this.updateLegend(this.mapToIds(this.data.targets),{withTransform:!1,withTransitionForTransform:!1,withTransition:!1})},T.updateSizeForLegend=function(t,e){var i=this,n=i.config,a={top:i.isLegendTop?i.getCurrentPaddingTop()+n.legend_inset_y+5.5:i.currentHeight-t-i.getCurrentPaddingBottom()-n.legend_inset_y,left:i.isLegendLeft?i.getCurrentPaddingLeft()+n.legend_inset_x+.5:i.currentWidth-e-i.getCurrentPaddingRight()-n.legend_inset_x+.5};i.margin3={top:i.isLegendRight?0:i.isLegendInset?a.top:i.currentHeight-t,right:NaN,bottom:0,left:i.isLegendRight?i.currentWidth-e:i.isLegendInset?a.left:0}},T.transformLegend=function(t){(t?this.legend.transition():this.legend).attr("transform",this.getTranslate("legend"))},T.updateLegendStep=function(t){this.legendStep=t},T.updateLegendItemWidth=function(t){this.legendItemWidth=t},T.updateLegendItemHeight=function(t){this.legendItemHeight=t},T.getLegendWidth=function(){var t=this;return t.config.legend_show?t.isLegendRight||t.isLegendInset?t.legendItemWidth*(t.legendStep+1):t.currentWidth:0},T.getLegendHeight=function(){var t=this,e=0;return t.config.legend_show&&(e=t.isLegendRight?t.currentHeight:Math.max(20,t.legendItemHeight)*(t.legendStep+1)),e},T.opacityForLegend=function(t){return t.classed(i.legendItemHidden)?null:1},T.opacityForUnfocusedLegend=function(t){return t.classed(i.legendItemHidden)?null:.3},T.toggleFocusLegend=function(t,e){var n=this;t=n.mapToTargetIds(t),n.legend.selectAll("."+i.legendItem).filter(function(e){return t.indexOf(e)>=0}).classed(i.legendItemFocused,e).transition().duration(100).style("opacity",function(){return(e?n.opacityForLegend:n.opacityForUnfocusedLegend).call(n,n.d3.select(this))})},T.revertLegend=function(){var t=this,e=t.d3;t.legend.selectAll("."+i.legendItem).classed(i.legendItemFocused,!1).transition().duration(100).style("opacity",function(){return t.opacityForLegend(e.select(this))})},T.showLegend=function(t){var e=this,i=e.config;i.legend_show||(i.legend_show=!0,e.legend.style("visibility","visible"),e.legendHasRendered||e.updateLegendWithDefaults()),e.removeHiddenLegendIds(t),e.legend.selectAll(e.selectorLegends(t)).style("visibility","visible").transition().style("opacity",function(){return e.opacityForLegend(e.d3.select(this))})},T.hideLegend=function(t){var e=this,i=e.config;i.legend_show&&p(t)&&(i.legend_show=!1,e.legend.style("visibility","hidden")),e.addHiddenLegendIds(t),e.legend.selectAll(e.selectorLegends(t)).style("opacity",0).style("visibility","hidden")},T.clearLegendItemTextBoxCache=function(){this.legendItemTextBox={}},T.updateLegend=function(t,e,n){var a,r,s,o,c,d,u,h,g,f,p,_,y,m,S,w,v=this,b=v.config,T=4,A=10,P=0,C=0,L=10,V=b.legend_item_tile_width+5,G=0,E={},O={},I={},R=[0],k={},D=0;function F(e,n,a){var r,s,o,c,d=0===a,u=a===t.length-1,l=(o=e,c=n,v.legendItemTextBox[c]||(v.legendItemTextBox[c]=v.getTextRect(o.textContent,i.legendItem,o)),v.legendItemTextBox[c]),h=l.width+V+(!u||v.isLegendRight||v.isLegendInset?A:0)+b.legend_padding,g=l.height+T,f=v.isLegendRight||v.isLegendInset?g:h,p=v.isLegendRight||v.isLegendInset?v.getLegendHeight():v.getLegendWidth();function _(t,e){e||(r=(p-G-f)/2)<L&&(r=(p-f)/2,G=0,D++),k[t]=D,R[D]=v.isLegendInset?10:r,E[t]=G,G+=f}d&&(G=0,D=0,P=0,C=0),!b.legend_show||v.isLegendToShow(n)?(O[n]=h,I[n]=g,(!P||h>=P)&&(P=h),(!C||g>=C)&&(C=g),s=v.isLegendRight||v.isLegendInset?C:P,b.legend_equally?(Object.keys(O).forEach(function(t){O[t]=P}),Object.keys(I).forEach(function(t){I[t]=C}),(r=(p-s*t.length)/2)<L?(G=0,D=0,t.forEach(function(t){_(t)})):_(n,!0)):_(n)):O[n]=I[n]=k[n]=E[n]=0}t=t.filter(function(t){return!l(b.data_names[t])||null!==b.data_names[t]}),p=x(e=e||{},"withTransition",!0),_=x(e,"withTransitionForTransform",!0),v.isLegendInset&&(D=b.legend_inset_step?b.legend_inset_step:t.length,v.updateLegendStep(D)),v.isLegendRight?(a=function(t){return P*k[t]},o=function(t){return R[k[t]]+E[t]}):v.isLegendInset?(a=function(t){return P*k[t]+10},o=function(t){return R[k[t]]+E[t]}):(a=function(t){return R[k[t]]+E[t]},o=function(t){return C*k[t]}),r=function(t,e){return a(t,e)+4+b.legend_item_tile_width},c=function(t,e){return o(t,e)+9},s=function(t,e){return a(t,e)},d=function(t,e){return o(t,e)-5},u=function(t,e){return a(t,e)-2},h=function(t,e){return a(t,e)-2+b.legend_item_tile_width},g=function(t,e){return o(t,e)+4},(f=v.legend.selectAll("."+i.legendItem).data(t).enter().append("g").attr("class",function(t){return v.generateClass(i.legendItem,t)}).style("visibility",function(t){return v.isLegendToShow(t)?"visible":"hidden"}).style("cursor","pointer").on("click",function(t){b.legend_item_onclick?b.legend_item_onclick.call(v,t):v.d3.event.altKey?(v.api.hide(),v.api.show(t)):(v.api.toggle(t),v.isTargetToShow(t)?v.api.focus(t):v.api.revert())}).on("mouseover",function(t){b.legend_item_onmouseover?b.legend_item_onmouseover.call(v,t):(v.d3.select(this).classed(i.legendItemFocused,!0),!v.transiting&&v.isTargetToShow(t)&&v.api.focus(t))}).on("mouseout",function(t){b.legend_item_onmouseout?b.legend_item_onmouseout.call(v,t):(v.d3.select(this).classed(i.legendItemFocused,!1),v.api.revert())})).append("text").text(function(t){return l(b.data_names[t])?b.data_names[t]:t}).each(function(t,e){F(this,t,e)}).style("pointer-events","none").attr("x",v.isLegendRight||v.isLegendInset?r:-200).attr("y",v.isLegendRight||v.isLegendInset?-200:c),f.append("rect").attr("class",i.legendItemEvent).style("fill-opacity",0).attr("x",v.isLegendRight||v.isLegendInset?s:-200).attr("y",v.isLegendRight||v.isLegendInset?-200:d),f.append("line").attr("class",i.legendItemTile).style("stroke",v.color).style("pointer-events","none").attr("x1",v.isLegendRight||v.isLegendInset?u:-200).attr("y1",v.isLegendRight||v.isLegendInset?-200:g).attr("x2",v.isLegendRight||v.isLegendInset?h:-200).attr("y2",v.isLegendRight||v.isLegendInset?-200:g).attr("stroke-width",b.legend_item_tile_height),w=v.legend.select("."+i.legendBackground+" rect"),v.isLegendInset&&P>0&&0===w.size()&&(w=v.legend.insert("g","."+i.legendItem).attr("class",i.legendBackground).append("rect")),y=v.legend.selectAll("text").data(t).text(function(t){return l(b.data_names[t])?b.data_names[t]:t}).each(function(t,e){F(this,t,e)}),(p?y.transition():y).attr("x",r).attr("y",c),m=v.legend.selectAll("rect."+i.legendItemEvent).data(t),(p?m.transition():m).attr("width",function(t){return O[t]}).attr("height",function(t){return I[t]}).attr("x",s).attr("y",d),S=v.legend.selectAll("line."+i.legendItemTile).data(t),(p?S.transition():S).style("stroke",v.levelColor?function(t){return v.levelColor(v.cache[t].values[0].value)}:v.color).attr("x1",u).attr("y1",g).attr("x2",h).attr("y2",g),w&&(p?w.transition():w).attr("height",v.getLegendHeight()-12).attr("width",P*(D+1)+10),v.legend.selectAll("."+i.legendItem).classed(i.legendItemHidden,function(t){return!v.isTargetToShow(t)}),v.updateLegendItemWidth(P),v.updateLegendItemHeight(C),v.updateLegendStep(D),v.updateSizes(),v.updateScales(),v.updateSvgSize(),v.transformAll(_,n),v.legendHasRendered=!0},T.initRegion=function(){this.region=this.main.append("g").attr("clip-path",this.clipPath).attr("class",i.regions)},T.updateRegion=function(t){var e=this,n=e.config;e.region.style("visibility",e.hasArcType()?"hidden":"visible");var a=e.main.select("."+i.regions).selectAll("."+i.region).data(n.regions),r=a.enter().append("rect").attr("x",e.regionX.bind(e)).attr("y",e.regionY.bind(e)).attr("width",e.regionWidth.bind(e)).attr("height",e.regionHeight.bind(e)).style("fill-opacity",0);e.mainRegion=r.merge(a).attr("class",e.classRegion.bind(e)),a.exit().transition().duration(t).style("opacity",0).remove()},T.redrawRegion=function(t,e){var i=this,n=i.mainRegion;return[(t?n.transition(e):n).attr("x",i.regionX.bind(i)).attr("y",i.regionY.bind(i)).attr("width",i.regionWidth.bind(i)).attr("height",i.regionHeight.bind(i)).style("fill-opacity",function(t){return s(t.opacity)?t.opacity:.1})]},T.regionX=function(t){var e=this,i=e.config,n="y"===t.axis?e.y:e.y2;return"y"===t.axis||"y2"===t.axis?i.axis_rotated&&"start"in t?n(t.start):0:i.axis_rotated?0:"start"in t?e.x(e.isTimeSeries()?e.parseDate(t.start):t.start):0},T.regionY=function(t){var e=this,i=e.config,n="y"===t.axis?e.y:e.y2;return"y"===t.axis||"y2"===t.axis?i.axis_rotated?0:"end"in t?n(t.end):0:i.axis_rotated&&"start"in t?e.x(e.isTimeSeries()?e.parseDate(t.start):t.start):0},T.regionWidth=function(t){var e,i=this,n=i.config,a=i.regionX(t),r="y"===t.axis?i.y:i.y2;return(e="y"===t.axis||"y2"===t.axis?n.axis_rotated&&"end"in t?r(t.end):i.width:n.axis_rotated?i.width:"end"in t?i.x(i.isTimeSeries()?i.parseDate(t.end):t.end):i.width)<a?0:e-a},T.regionHeight=function(t){var e,i=this,n=i.config,a=this.regionY(t),r="y"===t.axis?i.y:i.y2;return(e="y"===t.axis||"y2"===t.axis?n.axis_rotated?i.height:"start"in t?r(t.start):i.height:n.axis_rotated&&"end"in t?i.x(i.isTimeSeries()?i.parseDate(t.end):t.end):i.height)<a?0:e-a},T.isRegionOnX=function(t){return!t.axis||"x"===t.axis},T.getScale=function(t,e,i){return(i?this.d3.scaleTime():this.d3.scaleLinear()).range([t,e])},T.getX=function(t,e,i,n){var a,r=this.getScale(t,e,this.isTimeSeries()),s=i?r.domain(i):r;for(a in this.isCategorized()?(n=n||function(){return 0},r=function(t,e){var i=s(t)+n(t);return e?i:Math.ceil(i)}):r=function(t,e){var i=s(t);return e?i:Math.ceil(i)},s)r[a]=s[a];return r.orgDomain=function(){return s.domain()},this.isCategorized()&&(r.domain=function(t){return arguments.length?(s.domain(t),r):[(t=this.orgDomain())[0],t[1]+1]}),r},T.getY=function(t,e,i){var n=this.getScale(t,e,this.isTimeSeriesY());return i&&n.domain(i),n},T.getYScale=function(t){return"y2"===this.axis.getId(t)?this.y2:this.y},T.getSubYScale=function(t){return"y2"===this.axis.getId(t)?this.subY2:this.subY},T.updateScales=function(){var t=this,e=t.config,i=!t.x;t.xMin=e.axis_rotated?1:0,t.xMax=e.axis_rotated?t.height:t.width,t.yMin=e.axis_rotated?0:t.height,t.yMax=e.axis_rotated?t.width:1,t.subXMin=t.xMin,t.subXMax=t.xMax,t.subYMin=e.axis_rotated?0:t.height2,t.subYMax=e.axis_rotated?t.width2:1,t.x=t.getX(t.xMin,t.xMax,i?void 0:t.x.orgDomain(),function(){return t.xAxis.tickOffset()}),t.y=t.getY(t.yMin,t.yMax,i?e.axis_y_default:t.y.domain()),t.y2=t.getY(t.yMin,t.yMax,i?e.axis_y2_default:t.y2.domain()),t.subX=t.getX(t.xMin,t.xMax,t.orgXDomain,function(e){return e%1?0:t.subXAxis.tickOffset()}),t.subY=t.getY(t.subYMin,t.subYMax,i?e.axis_y_default:t.subY.domain()),t.subY2=t.getY(t.subYMin,t.subYMax,i?e.axis_y2_default:t.subY2.domain()),t.xAxisTickFormat=t.axis.getXAxisTickFormat(),t.xAxisTickValues=t.axis.getXAxisTickValues(),t.yAxisTickValues=t.axis.getYAxisTickValues(),t.y2AxisTickValues=t.axis.getY2AxisTickValues(),t.xAxis=t.axis.getXAxis(t.x,t.xOrient,t.xAxisTickFormat,t.xAxisTickValues,e.axis_x_tick_outer),t.subXAxis=t.axis.getXAxis(t.subX,t.subXOrient,t.xAxisTickFormat,t.xAxisTickValues,e.axis_x_tick_outer),t.yAxis=t.axis.getYAxis(t.y,t.yOrient,e.axis_y_tick_format,t.yAxisTickValues,e.axis_y_tick_outer),t.y2Axis=t.axis.getYAxis(t.y2,t.y2Orient,e.axis_y2_tick_format,t.y2AxisTickValues,e.axis_y2_tick_outer),i||t.brush&&t.brush.updateScale(t.subX),t.updateArc&&t.updateArc()},T.selectPoint=function(t,e,n){var a=this,r=a.config,s=(r.axis_rotated?a.circleY:a.circleX).bind(a),o=(r.axis_rotated?a.circleX:a.circleY).bind(a),c=a.pointSelectR.bind(a);r.data_onselected.call(a.api,e,t.node()),a.main.select("."+i.selectedCircles+a.getTargetSelectorSuffix(e.id)).selectAll("."+i.selectedCircle+"-"+n).data([e]).enter().append("circle").attr("class",function(){return a.generateClass(i.selectedCircle,n)}).attr("cx",s).attr("cy",o).attr("stroke",function(){return a.color(e)}).attr("r",function(t){return 1.4*a.pointSelectR(t)}).transition().duration(100).attr("r",c)},T.unselectPoint=function(t,e,n){this.config.data_onunselected.call(this.api,e,t.node()),this.main.select("."+i.selectedCircles+this.getTargetSelectorSuffix(e.id)).selectAll("."+i.selectedCircle+"-"+n).transition().duration(100).attr("r",0).remove()},T.togglePoint=function(t,e,i,n){t?this.selectPoint(e,i,n):this.unselectPoint(e,i,n)},T.selectPath=function(t,e){var i=this;i.config.data_onselected.call(i,e,t.node()),i.config.interaction_brighten&&t.transition().duration(100).style("fill",function(){return i.d3.rgb(i.color(e)).brighter(.75)})},T.unselectPath=function(t,e){var i=this;i.config.data_onunselected.call(i,e,t.node()),i.config.interaction_brighten&&t.transition().duration(100).style("fill",function(){return i.color(e)})},T.togglePath=function(t,e,i,n){t?this.selectPath(e,i,n):this.unselectPath(e,i,n)},T.getToggle=function(t,e){var i;return"circle"===t.nodeName?i=this.isStepType(e)?function(){}:this.togglePoint:"path"===t.nodeName&&(i=this.togglePath),i},T.toggleShape=function(t,e,n){var a=this,r=a.d3,s=a.config,o=r.select(t),c=o.classed(i.SELECTED),d=a.getToggle(t,e).bind(a);s.data_selection_enabled&&s.data_selection_isselectable(e)&&(s.data_selection_multiple||a.main.selectAll("."+i.shapes+(s.data_selection_grouped?a.getTargetSelectorSuffix(e.id):"")).selectAll("."+i.shape).each(function(t,e){var n=r.select(this);n.classed(i.SELECTED)&&d(!1,n.classed(i.SELECTED,!1),t,e)}),o.classed(i.SELECTED,!c),d(!c,o,e,n))},T.initBar=function(){this.main.select("."+i.chart).append("g").attr("class",i.chartBars)},T.updateTargetsForBar=function(t){var e=this,n=e.config,a=e.classChartBar.bind(e),r=e.classBars.bind(e),s=e.classFocus.bind(e);e.main.select("."+i.chartBars).selectAll("."+i.chartBar).data(t).attr("class",function(t){return a(t)+s(t)}).enter().append("g").attr("class",a).style("pointer-events","none").append("g").attr("class",r).style("cursor",function(t){return n.data_selection_isselectable(t)?"pointer":null})},T.updateBar=function(t){var e=this,n=e.barData.bind(e),a=e.classBar.bind(e),r=e.initialOpacity.bind(e),s=function(t){return e.color(t.id)},o=e.main.selectAll("."+i.bars).selectAll("."+i.bar).data(n),c=o.enter().append("path").attr("class",a).style("stroke",s).style("fill",s);e.mainBar=c.merge(o).style("opacity",r),o.exit().transition().duration(t).style("opacity",0)},T.redrawBar=function(t,e,i){return[(e?this.mainBar.transition(i):this.mainBar).attr("d",t).style("stroke",this.color).style("fill",this.color).style("opacity",1)]},T.getBarW=function(t,e){var i=this.config,n="number"==typeof i.bar_width?i.bar_width:e?t.tickInterval()*i.bar_width_ratio/e:0;return i.bar_width_max&&n>i.bar_width_max?i.bar_width_max:n},T.getBars=function(t,e){return(e?this.main.selectAll("."+i.bars+this.getTargetSelectorSuffix(e)):this.main).selectAll("."+i.bar+(s(t)?"-"+t:""))},T.expandBars=function(t,e,n){n&&this.unexpandBars(),this.getBars(t,e).classed(i.EXPANDED,!0)},T.unexpandBars=function(t){this.getBars(t).classed(i.EXPANDED,!1)},T.generateDrawBar=function(t,e){var i=this.config,n=this.generateGetBarPoints(t,e);return function(t,e){var a=n(t,e),r=i.axis_rotated?1:0,s=i.axis_rotated?0:1;return"M "+a[0][r]+","+a[0][s]+" L"+a[1][r]+","+a[1][s]+" L"+a[2][r]+","+a[2][s]+" L"+a[3][r]+","+a[3][s]+" z"}},T.generateGetBarPoints=function(t,e){var i=this,n=e?i.subXAxis:i.xAxis,a=t.__max__+1,r=i.getBarW(n,a),s=i.getShapeX(r,a,t,!!e),o=i.getShapeY(!!e),c=i.getShapeOffset(i.isBarType,t,!!e),d=r*(i.config.bar_space/2),u=e?i.getSubYScale:i.getYScale;return function(t,e){var n=u.call(i,t.id)(0),a=c(t,e)||n,l=s(t),h=o(t);return i.config.axis_rotated&&(0<t.value&&h<n||t.value<0&&n<h)&&(h=n),[[l+d,a],[l+d,h-(n-a)],[l+r-d,h-(n-a)],[l+r-d,a]]}},T.isWithinBar=function(t,e){var i=e.getBoundingClientRect(),n=e.pathSegList.getItem(0),a=e.pathSegList.getItem(1),r=Math.min(n.x,a.x),s=Math.min(n.y,a.y),o=r+i.width+2,c=s+i.height+2,d=s-2;return r-2<t[0]&&t[0]<o&&d<t[1]&&t[1]<c},T.getShapeIndices=function(t){var e,i,n=this.config,a={},r=0;return this.filterTargetsToShow(this.data.targets.filter(t,this)).forEach(function(t){for(e=0;e<n.data_groups.length;e++)if(!(n.data_groups[e].indexOf(t.id)<0))for(i=0;i<n.data_groups[e].length;i++)if(n.data_groups[e][i]in a){a[t.id]=a[n.data_groups[e][i]];break}u(a[t.id])&&(a[t.id]=r++)}),a.__max__=r-1,a},T.getShapeX=function(t,e,i,n){var a=n?this.subX:this.x;return function(n){var r=n.id in i?i[n.id]:0;return n.x||0===n.x?a(n.x)-t*(e/2-r):0}},T.getShapeY=function(t){var e=this;return function(i){return(t?e.getSubYScale(i.id):e.getYScale(i.id))(i.value)}},T.getShapeOffset=function(t,e,i){var n=this,a=n.orderTargets(n.filterTargetsToShow(n.data.targets.filter(t,n))),r=a.map(function(t){return t.id});return function(t,s){var o=i?n.getSubYScale(t.id):n.getYScale(t.id),c=o(0),d=c;return a.forEach(function(i){var a=n.isStepType(t)?n.convertValuesToStep(i.values):i.values;i.id!==t.id&&e[i.id]===e[t.id]&&r.indexOf(i.id)<r.indexOf(t.id)&&(void 0!==a[s]&&+a[s].x==+t.x||(s=-1,a.forEach(function(e,i){e.x===t.x&&(s=i)})),s in a&&a[s].value*t.value>=0&&(d+=o(a[s].value)-c))}),d}},T.isWithinShape=function(t,e){var n,a=this,r=a.d3.select(t);return a.isTargetToShow(e.id)?"circle"===t.nodeName?n=a.isStepType(e)?a.isWithinStep(t,a.getYScale(e.id)(e.value)):a.isWithinCircle(t,1.5*a.pointSelectR(e)):"path"===t.nodeName&&(n=!r.classed(i.bar)||a.isWithinBar(a.d3.mouse(t),t)):n=!1,n},T.getInterpolate=function(t){var e=this,i=e.d3,n={linear:i.curveLinear,"linear-closed":i.curveLinearClosed,basis:i.curveBasis,"basis-open":i.curveBasisOpen,"basis-closed":i.curveBasisClosed,bundle:i.curveBundle,cardinal:i.curveCardinal,"cardinal-open":i.curveCardinalOpen,"cardinal-closed":i.curveCardinalClosed,monotone:i.curveMonotoneX,step:i.curveStep};return e.isSplineType(t)?n[e.config.spline_interpolation_type]||n.cardinal:e.isStepType(t)?n[e.config.line_step_type]:n.linear},T.initLine=function(){this.main.select("."+i.chart).append("g").attr("class",i.chartLines)},T.updateTargetsForLine=function(t){var e,n=this,a=n.config,r=n.classChartLine.bind(n),s=n.classLines.bind(n),o=n.classAreas.bind(n),c=n.classCircles.bind(n),d=n.classFocus.bind(n);(e=n.main.select("."+i.chartLines).selectAll("."+i.chartLine).data(t).attr("class",function(t){return r(t)+d(t)}).enter().append("g").attr("class",r).style("opacity",0).style("pointer-events","none")).append("g").attr("class",s),e.append("g").attr("class",o),e.append("g").attr("class",function(t){return n.generateClass(i.selectedCircles,t.id)}),e.append("g").attr("class",c).style("cursor",function(t){return a.data_selection_isselectable(t)?"pointer":null}),t.forEach(function(t){n.main.selectAll("."+i.selectedCircles+n.getTargetSelectorSuffix(t.id)).selectAll("."+i.selectedCircle).each(function(e){e.value=t.values[e.index].value})})},T.updateLine=function(t){var e=this,n=e.main.selectAll("."+i.lines).selectAll("."+i.line).data(e.lineData.bind(e)),a=n.enter().append("path").attr("class",e.classLine.bind(e)).style("stroke",e.color);e.mainLine=a.merge(n).style("opacity",e.initialOpacity.bind(e)).style("shape-rendering",function(t){return e.isStepType(t)?"crispEdges":""}).attr("transform",null),n.exit().transition().duration(t).style("opacity",0)},T.redrawLine=function(t,e,i){return[(e?this.mainLine.transition(i):this.mainLine).attr("d",t).style("stroke",this.color).style("opacity",1)]},T.generateDrawLine=function(t,e){var i=this,n=i.config,a=i.d3.line(),r=i.generateGetLinePoints(t,e),s=e?i.getSubYScale:i.getYScale,o=function(t){return(e?i.subxx:i.xx).call(i,t)},c=function(t,e){return n.data_groups.length>0?r(t,e)[0][1]:s.call(i,t.id)(t.value)};return a=n.axis_rotated?a.x(c).y(o):a.x(o).y(c),n.line_connectNull||(a=a.defined(function(t){return null!=t.value})),function(t){var r,o=n.line_connectNull?i.filterRemoveNull(t.values):t.values,c=e?i.subX:i.x,d=s.call(i,t.id),u=0,l=0;return i.isLineType(t)?n.data_regions[t.id]?r=i.lineWithRegions(o,c,d,n.data_regions[t.id]):(i.isStepType(t)&&(o=i.convertValuesToStep(o)),r=a.curve(i.getInterpolate(t))(o)):(o[0]&&(u=c(o[0].x),l=d(o[0].value)),r=n.axis_rotated?"M "+l+" "+u:"M "+u+" "+l),r||"M 0 0"}},T.generateGetLinePoints=function(t,e){var i=this,n=i.config,a=t.__max__+1,r=i.getShapeX(0,a,t,!!e),s=i.getShapeY(!!e),o=i.getShapeOffset(i.isLineType,t,!!e),c=e?i.getSubYScale:i.getYScale;return function(t,e){var a=c.call(i,t.id)(0),d=o(t,e)||a,u=r(t),l=s(t);return n.axis_rotated&&(0<t.value&&l<a||t.value<0&&a<l)&&(l=a),[[u,l-(a-d)],[u,l-(a-d)],[u,l-(a-d)],[u,l-(a-d)]]}},T.lineWithRegions=function(t,e,i,n){var a,r,s,o,c,d,h,g,f,p,_,x=this,y=x.config,m="M",S=x.isCategorized()?.5:0,w=[];function v(t,e){var i;for(i=0;i<e.length;i++)if(e[i].start<t&&t<=e[i].end)return!0;return!1}if(l(n))for(a=0;a<n.length;a++)w[a]={},u(n[a].start)?w[a].start=t[0].x:w[a].start=x.isTimeSeries()?x.parseDate(n[a].start):n[a].start,u(n[a].end)?w[a].end=t[t.length-1].x:w[a].end=x.isTimeSeries()?x.parseDate(n[a].end):n[a].end;function b(t){return"M"+t[0][0]+" "+t[0][1]+" "+t[1][0]+" "+t[1][1]}for(p=y.axis_rotated?function(t){return i(t.value)}:function(t){return e(t.x)},_=y.axis_rotated?function(t){return e(t.x)}:function(t){return i(t.value)},s=x.isTimeSeries()?function(t,n,a,r){var s=t.x.getTime(),o=n.x-t.x,d=new Date(s+o*a),u=new Date(s+o*(a+r));return b(y.axis_rotated?[[i(c(a)),e(d)],[i(c(a+r)),e(u)]]:[[e(d),i(c(a))],[e(u),i(c(a+r))]])}:function(t,n,a,r){return b(y.axis_rotated?[[i(c(a),!0),e(o(a))],[i(c(a+r),!0),e(o(a+r))]]:[[e(o(a),!0),i(c(a))],[e(o(a+r),!0),i(c(a+r))]])},a=0;a<t.length;a++){if(u(w)||!v(t[a].x,w))m+=" "+p(t[a])+" "+_(t[a]);else for(o=x.getScale(t[a-1].x+S,t[a].x+S,x.isTimeSeries()),c=x.getScale(t[a-1].value,t[a].value),d=e(t[a].x)-e(t[a-1].x),h=i(t[a].value)-i(t[a-1].value),f=2*(g=2/Math.sqrt(Math.pow(d,2)+Math.pow(h,2))),r=g;r<=1;r+=f)m+=s(t[a-1],t[a],r,g);t[a].x}return m},T.updateArea=function(t){var e=this,n=e.d3,a=e.main.selectAll("."+i.areas).selectAll("."+i.area).data(e.lineData.bind(e)),r=a.enter().append("path").attr("class",e.classArea.bind(e)).style("fill",e.color).style("opacity",function(){return e.orgAreaOpacity=+n.select(this).style("opacity"),0});e.mainArea=r.merge(a).style("opacity",e.orgAreaOpacity),a.exit().transition().duration(t).style("opacity",0)},T.redrawArea=function(t,e,i){return[(e?this.mainArea.transition(i):this.mainArea).attr("d",t).style("fill",this.color).style("opacity",this.orgAreaOpacity)]},T.generateDrawArea=function(t,e){var i=this,n=i.config,a=i.d3.area(),r=i.generateGetAreaPoints(t,e),s=e?i.getSubYScale:i.getYScale,o=function(t){return(e?i.subxx:i.xx).call(i,t)},c=function(t,e){return n.data_groups.length>0?r(t,e)[0][1]:s.call(i,t.id)(i.getAreaBaseValue(t.id))},d=function(t,e){return n.data_groups.length>0?r(t,e)[1][1]:s.call(i,t.id)(t.value)};return a=n.axis_rotated?a.x0(c).x1(d).y(o):a.x(o).y0(n.area_above?0:c).y1(d),n.line_connectNull||(a=a.defined(function(t){return null!==t.value})),function(t){var e,r=n.line_connectNull?i.filterRemoveNull(t.values):t.values,s=0,o=0;return i.isAreaType(t)?(i.isStepType(t)&&(r=i.convertValuesToStep(r)),e=a.curve(i.getInterpolate(t))(r)):(r[0]&&(s=i.x(r[0].x),o=i.getYScale(t.id)(r[0].value)),e=n.axis_rotated?"M "+o+" "+s:"M "+s+" "+o),e||"M 0 0"}},T.getAreaBaseValue=function(){return 0},T.generateGetAreaPoints=function(t,e){var i=this,n=i.config,a=t.__max__+1,r=i.getShapeX(0,a,t,!!e),s=i.getShapeY(!!e),o=i.getShapeOffset(i.isAreaType,t,!!e),c=e?i.getSubYScale:i.getYScale;return function(t,e){var a=c.call(i,t.id)(0),d=o(t,e)||a,u=r(t),l=s(t);return n.axis_rotated&&(0<t.value&&l<a||t.value<0&&a<l)&&(l=a),[[u,d],[u,l-(a-d)],[u,l-(a-d)],[u,d]]}},T.updateCircle=function(t,e){var n=this,a=n.main.selectAll("."+i.circles).selectAll("."+i.circle).data(n.lineOrScatterData.bind(n)),r=a.enter().append("circle").attr("class",n.classCircle.bind(n)).attr("cx",t).attr("cy",e).attr("r",n.pointR.bind(n)).style("fill",n.color);n.mainCircle=r.merge(a).style("opacity",n.initialOpacityForCircle.bind(n)),a.exit().style("opacity",0)},T.redrawCircle=function(t,e,n,a){var r=this,s=r.main.selectAll("."+i.selectedCircle);return[(n?r.mainCircle.transition(a):r.mainCircle).style("opacity",this.opacityForCircle.bind(r)).style("fill",r.color).attr("cx",t).attr("cy",e),(n?s.transition(a):s).attr("cx",t).attr("cy",e)]},T.circleX=function(t){return t.x||0===t.x?this.x(t.x):null},T.updateCircleY=function(){var t,e,i=this;i.config.data_groups.length>0?(t=i.getShapeIndices(i.isLineType),e=i.generateGetLinePoints(t),i.circleY=function(t,i){return e(t,i)[0][1]}):i.circleY=function(t){return i.getYScale(t.id)(t.value)}},T.getCircles=function(t,e){return(e?this.main.selectAll("."+i.circles+this.getTargetSelectorSuffix(e)):this.main).selectAll("."+i.circle+(s(t)?"-"+t:""))},T.expandCircles=function(t,e,n){var a=this.pointExpandedR.bind(this);n&&this.unexpandCircles(),this.getCircles(t,e).classed(i.EXPANDED,!0).attr("r",a)},T.unexpandCircles=function(t){var e=this,n=e.pointR.bind(e);e.getCircles(t).filter(function(){return e.d3.select(this).classed(i.EXPANDED)}).classed(i.EXPANDED,!1).attr("r",n)},T.pointR=function(t){var e=this.config;return this.isStepType(t)?0:o(e.point_r)?e.point_r(t):e.point_r},T.pointExpandedR=function(t){var e=this.config;return e.point_focus_expand_enabled?o(e.point_focus_expand_r)?e.point_focus_expand_r(t):e.point_focus_expand_r?e.point_focus_expand_r:1.75*this.pointR(t):this.pointR(t)},T.pointSelectR=function(t){var e=this.config;return o(e.point_select_r)?e.point_select_r(t):e.point_select_r?e.point_select_r:4*this.pointR(t)},T.isWithinCircle=function(t,e){var i=this.d3,n=i.mouse(t),a=i.select(t),r=+a.attr("cx"),s=+a.attr("cy");return Math.sqrt(Math.pow(r-n[0],2)+Math.pow(s-n[1],2))<e},T.isWithinStep=function(t,e){return Math.abs(e-this.d3.mouse(t)[1])<30},T.getCurrentWidth=function(){var t=this.config;return t.size_width?t.size_width:this.getParentWidth()},T.getCurrentHeight=function(){var t=this.config,e=t.size_height?t.size_height:this.getParentHeight();return e>0?e:320/(this.hasType("gauge")&&!t.gauge_fullCircle?2:1)},T.getCurrentPaddingTop=function(){var t=this.config,e=s(t.padding_top)?t.padding_top:0;return this.title&&this.title.node()&&(e+=this.getTitlePadding()),e},T.getCurrentPaddingBottom=function(){var t=this.config;return s(t.padding_bottom)?t.padding_bottom:0},T.getCurrentPaddingLeft=function(t){var e=this.config;return s(e.padding_left)?e.padding_left:e.axis_rotated?!e.axis_x_show||e.axis_x_inner?1:Math.max(h(this.getAxisWidthByAxisId("x",t)),40):!e.axis_y_show||e.axis_y_inner?this.axis.getYAxisLabelPosition().isOuter?30:1:h(this.getAxisWidthByAxisId("y",t))},T.getCurrentPaddingRight=function(){var t=this,e=t.config,i=t.isLegendRight?t.getLegendWidth()+20:0;return s(e.padding_right)?e.padding_right+1:e.axis_rotated?10+i:!e.axis_y2_show||e.axis_y2_inner?2+i+(t.axis.getY2AxisLabelPosition().isOuter?20:0):h(t.getAxisWidthByAxisId("y2"))+i},T.getParentRectValue=function(t){for(var e,i=this.selectChart.node();i&&"BODY"!==i.tagName;){try{e=i.getBoundingClientRect()[t]}catch(n){"width"===t&&(e=i.offsetWidth)}if(e)break;i=i.parentNode}return e},T.getParentWidth=function(){return this.getParentRectValue("width")},T.getParentHeight=function(){var t=this.selectChart.style("height");return t.indexOf("px")>0?+t.replace("px",""):0},T.getSvgLeft=function(t){var e=this,n=e.config,a=n.axis_rotated||!n.axis_rotated&&!n.axis_y_inner,r=n.axis_rotated?i.axisX:i.axisY,s=e.main.select("."+r).node(),o=s&&a?s.getBoundingClientRect():{right:0},c=e.selectChart.node().getBoundingClientRect(),d=e.hasArcType(),u=o.right-c.left-(d?0:e.getCurrentPaddingLeft(t));return u>0?u:0},T.getAxisWidthByAxisId=function(t,e){var i=this.axis.getLabelPositionById(t);return this.axis.getMaxTickWidth(t,e)+(i.isInner?20:40)},T.getHorizontalAxisHeight=function(t){var e=this,i=e.config,n=30;return"x"!==t||i.axis_x_show?"x"===t&&i.axis_x_height?i.axis_x_height:"y"!==t||i.axis_y_show?"y2"!==t||i.axis_y2_show?("x"===t&&!i.axis_rotated&&i.axis_x_tick_rotate&&(n=30+e.axis.getMaxTickWidth(t)*Math.cos(Math.PI*(90-Math.abs(i.axis_x_tick_rotate))/180)),"y"===t&&i.axis_rotated&&i.axis_y_tick_rotate&&(n=30+e.axis.getMaxTickWidth(t)*Math.cos(Math.PI*(90-Math.abs(i.axis_y_tick_rotate))/180)),n+(e.axis.getLabelPositionById(t).isInner?0:10)+("y2"===t?-10:0)):e.rotated_padding_top:!i.legend_show||e.isLegendRight||e.isLegendInset?1:10:8},T.initBrush=function(t){var e=this,n=e.d3;return e.brush=(e.config.axis_rotated?n.brushY():n.brushX()).on("brush",function(){var t=n.event.sourceEvent;t&&"zoom"===t.type||e.redrawForBrush()}).on("end",function(){var t=n.event.sourceEvent;t&&"zoom"===t.type||e.brush.empty()&&t&&"end"!==t.type&&e.brush.clear()}),e.brush.updateExtent=function(){var t,i=this.scale.range();return t=e.config.axis_rotated?[[0,i[0]],[e.width2,i[1]]]:[[i[0],0],[i[1],e.height2]],this.extent(t),this},e.brush.updateScale=function(t){return this.scale=t,this},e.brush.update=function(t){this.updateScale(t||e.subX).updateExtent(),e.context.select("."+i.brush).call(this)},e.brush.clear=function(){e.context.select("."+i.brush).call(e.brush.move,null)},e.brush.selection=function(){return n.brushSelection(e.context.select("."+i.brush).node())},e.brush.selectionAsValue=function(t,n){var a,r;return t?(e.context&&(a=[this.scale(t[0]),this.scale(t[1])],r=e.context.select("."+i.brush),n&&(r=r.transition()),e.brush.move(r,a)),[]):(a=e.brush.selection()||[0,0],[this.scale.invert(a[0]),this.scale.invert(a[1])])},e.brush.empty=function(){var t=e.brush.selection();return!t||t[0]===t[1]},e.brush.updateScale(t)},T.initSubchart=function(){var t=this,e=t.config,n=t.context=t.svg.append("g").attr("transform",t.getTranslate("context")),a=e.subchart_show?"visible":"hidden";n.style("visibility",a),n.append("g").attr("clip-path",t.clipPathForSubchart).attr("class",i.chart),n.select("."+i.chart).append("g").attr("class",i.chartBars),n.select("."+i.chart).append("g").attr("class",i.chartLines),n.append("g").attr("clip-path",t.clipPath).attr("class",i.brush),t.axes.subx=n.append("g").attr("class",i.axisX).attr("transform",t.getTranslate("subx")).attr("clip-path",e.axis_rotated?"":t.clipPathForXAxis)},T.initSubchartBrush=function(){this.initBrush(this.subX).updateExtent(),this.context.select("."+i.brush).call(this.brush)},T.updateTargetsForSubchart=function(t){var e,n,a,r,s=this,o=s.context,c=s.config,d=s.classChartBar.bind(s),u=s.classBars.bind(s),l=s.classChartLine.bind(s),h=s.classLines.bind(s),g=s.classAreas.bind(s);c.subchart_show&&((a=(r=o.select("."+i.chartBars).selectAll("."+i.chartBar).data(t)).enter().append("g").style("opacity",0)).merge(r).attr("class",d),a.append("g").attr("class",u),(e=(n=o.select("."+i.chartLines).selectAll("."+i.chartLine).data(t)).enter().append("g").style("opacity",0)).merge(n).attr("class",l),e.append("g").attr("class",h),e.append("g").attr("class",g),o.selectAll("."+i.brush+" rect").attr(c.axis_rotated?"width":"height",c.axis_rotated?s.width2:s.height2))},T.updateBarForSubchart=function(t){var e=this,n=e.context.selectAll("."+i.bars).selectAll("."+i.bar).data(e.barData.bind(e)),a=n.enter().append("path").attr("class",e.classBar.bind(e)).style("stroke","none").style("fill",e.color);n.exit().transition().duration(t).style("opacity",0).remove(),e.contextBar=a.merge(n).style("opacity",e.initialOpacity.bind(e))},T.redrawBarForSubchart=function(t,e,i){(e?this.contextBar.transition(Math.random().toString()).duration(i):this.contextBar).attr("d",t).style("opacity",1)},T.updateLineForSubchart=function(t){var e=this,n=e.context.selectAll("."+i.lines).selectAll("."+i.line).data(e.lineData.bind(e)),a=n.enter().append("path").attr("class",e.classLine.bind(e)).style("stroke",e.color);n.exit().transition().duration(t).style("opacity",0).remove(),e.contextLine=a.merge(n).style("opacity",e.initialOpacity.bind(e))},T.redrawLineForSubchart=function(t,e,i){(e?this.contextLine.transition(Math.random().toString()).duration(i):this.contextLine).attr("d",t).style("opacity",1)},T.updateAreaForSubchart=function(t){var e=this,n=e.d3,a=e.context.selectAll("."+i.areas).selectAll("."+i.area).data(e.lineData.bind(e)),r=a.enter().append("path").attr("class",e.classArea.bind(e)).style("fill",e.color).style("opacity",function(){return e.orgAreaOpacity=+n.select(this).style("opacity"),0});a.exit().transition().duration(t).style("opacity",0).remove(),e.contextArea=r.merge(a).style("opacity",0)},T.redrawAreaForSubchart=function(t,e,i){(e?this.contextArea.transition(Math.random().toString()).duration(i):this.contextArea).attr("d",t).style("fill",this.color).style("opacity",this.orgAreaOpacity)},T.redrawSubchart=function(t,e,i,n,a,r,s){var o,c,d,u=this,l=u.d3,h=u.config;u.context.style("visibility",h.subchart_show?"visible":"hidden"),h.subchart_show&&(l.event&&"zoom"===l.event.type&&u.brush.selectionAsValue(u.x.orgDomain()),t&&(u.brush.empty()||u.brush.selectionAsValue(u.x.orgDomain()),o=u.generateDrawArea(a,!0),c=u.generateDrawBar(r,!0),d=u.generateDrawLine(s,!0),u.updateBarForSubchart(i),u.updateLineForSubchart(i),u.updateAreaForSubchart(i),u.redrawBarForSubchart(c,i,i),u.redrawLineForSubchart(d,i,i),u.redrawAreaForSubchart(o,i,i)))},T.redrawForBrush=function(){var t,e=this,n=e.x,a=e.d3;e.redraw({withTransition:!1,withY:e.config.zoom_rescale,withSubchart:!1,withUpdateXDomain:!0,withEventRect:!1,withDimension:!1}),t=a.event.selection||e.brush.scale.range(),e.main.select("."+i.eventRect).call(e.zoom.transform,a.zoomIdentity.scale(e.width/(t[1]-t[0])).translate(-t[0],0)),e.config.subchart_onbrush.call(e.api,n.orgDomain())},T.transformContext=function(t,e){var n;e&&e.axisSubX?n=e.axisSubX:(n=this.context.select("."+i.axisX),t&&(n=n.transition())),this.context.attr("transform",this.getTranslate("context")),n.attr("transform",this.getTranslate("subx"))},T.getDefaultSelection=function(){var t=this,e=t.config,i=o(e.axis_x_selection)?e.axis_x_selection(t.getXDomain(t.data.targets)):e.axis_x_selection;return t.isTimeSeries()&&(i=[t.parseDate(i[0]),t.parseDate(i[1])]),i},T.initText=function(){this.main.select("."+i.chart).append("g").attr("class",i.chartTexts),this.mainText=this.d3.selectAll([])},T.updateTargetsForText=function(t){var e=this,n=e.classChartText.bind(e),a=e.classTexts.bind(e),r=e.classFocus.bind(e),s=e.main.select("."+i.chartTexts).selectAll("."+i.chartText).data(t),o=s.enter().append("g").attr("class",n).style("opacity",0).style("pointer-events","none");o.append("g").attr("class",a),o.merge(s).attr("class",function(t){return n(t)+r(t)})},T.updateText=function(t,e,n){var a=this,r=a.config,s=a.barOrLineData.bind(a),o=a.classText.bind(a),c=a.main.selectAll("."+i.texts).selectAll("."+i.text).data(s),d=c.enter().append("text").attr("class",o).attr("text-anchor",function(t){return r.axis_rotated?t.value<0?"end":"start":"middle"}).style("stroke","none").attr("x",t).attr("y",e).style("fill",function(t){return a.color(t)}).style("fill-opacity",0);a.mainText=d.merge(c).text(function(t,e,i){return a.dataLabelFormat(t.id)(t.value,t.id,e,i)}),c.exit().transition().duration(n).style("fill-opacity",0).remove()},T.redrawText=function(t,e,i,n,a){return[(n?this.mainText.transition(a):this.mainText).attr("x",t).attr("y",e).style("fill",this.color).style("fill-opacity",i?0:this.opacityForText.bind(this))]},T.getTextRect=function(t,e,i){var n,a=this.d3.select("body").append("div").classed("c3",!0),r=a.append("svg").style("visibility","hidden").style("position","fixed").style("top",0).style("left",0),s=this.d3.select(i).style("font");return r.selectAll(".dummy").data([t]).enter().append("text").classed(e||"",!0).style("font",s).text(t).each(function(){n=this.getBoundingClientRect()}),a.remove(),n},T.generateXYForText=function(t,e,i,n){var a=this,r=a.generateGetAreaPoints(t,!1),s=a.generateGetBarPoints(e,!1),o=a.generateGetLinePoints(i,!1),c=n?a.getXForText:a.getYForText;return function(t,e){var i=a.isAreaType(t)?r:a.isBarType(t)?s:o;return c.call(a,i(t,e),t,this)}},T.getXForText=function(t,e,i){var n,a,r=this,s=i.getBoundingClientRect();return r.config.axis_rotated?(a=r.isBarType(e)?4:6,n=t[2][1]+a*(e.value<0?-1:1)):n=r.hasType("bar")?(t[2][0]+t[0][0])/2:t[0][0],null===e.value&&(n>r.width?n=r.width-s.width:n<0&&(n=4)),n},T.getYForText=function(t,e,i){var n,a=this,r=i.getBoundingClientRect();return a.config.axis_rotated?n=(t[0][0]+t[2][0]+.6*r.height)/2:(n=t[2][1],e.value<0||0===e.value&&!a.hasPositiveValue?(n+=r.height,a.isBarType(e)&&a.isSafari()?n-=3:!a.isBarType(e)&&a.isChrome()&&(n+=3)):n+=a.isBarType(e)?-3:-6),null!==e.value||a.config.axis_rotated||(n<r.height?n=r.height:n>this.height&&(n=this.height-4)),n},T.initTitle=function(){this.title=this.svg.append("text").text(this.config.title_text).attr("class",this.CLASS.title)},T.redrawTitle=function(){var t=this;t.title.attr("x",t.xForTitle.bind(t)).attr("y",t.yForTitle.bind(t))},T.xForTitle=function(){var t=this,e=t.config,i=e.title_position||"left";return i.indexOf("right")>=0?t.currentWidth-t.getTextRect(t.title.node().textContent,t.CLASS.title,t.title.node()).width-e.title_padding.right:i.indexOf("center")>=0?(t.currentWidth-t.getTextRect(t.title.node().textContent,t.CLASS.title,t.title.node()).width)/2:e.title_padding.left},T.yForTitle=function(){var t=this;return t.config.title_padding.top+t.getTextRect(t.title.node().textContent,t.CLASS.title,t.title.node()).height},T.getTitlePadding=function(){return this.yForTitle()+this.config.title_padding.bottom},T.initTooltip=function(){var t,e=this,n=e.config;if(e.tooltip=e.selectChart.style("position","relative").append("div").attr("class",i.tooltipCont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isBarType(t)?t.values:[]},T.lineOrScatterData=function(t){return this.isLineType(t)||this.isScatterType(t)?t.values:[]},T.barOrLineData=function(t){return this.isBarType(t)||this.isLineType(t)?t.values:[]},T.isSafari=function(){var t=window.navigator.userAgent;return t.indexOf("Safari")>=0&&t.indexOf("Chrome")<0},T.isChrome=function(){return window.navigator.userAgent.indexOf("Chrome")>=0},T.initZoom=function(){var t,e=this,i=e.d3,n=e.config;return e.zoom=i.zoom().on("start",function(){var a=i.event.sourceEvent;a&&"brush"===a.type||(t=a,n.zoom_onzoomstart.call(e.api,a))}).on("zoom",function(){var t=i.event.sourceEvent;t&&"brush"===t.type||e.redrawForZoom.call(e)}).on("end",function(){var a=i.event.sourceEvent;a&&"brush"===a.type||a&&t.clientX===a.clientX&&t.clientY===a.clientY||n.zoom_onzoomend.call(e.api,e.x.orgDomain())}),e.zoom.updateDomain=function(){return i.event&&i.event.transform&&e.x.domain(i.event.transform.rescaleX(e.subX).domain()),this},e.zoom.updateExtent=function(){return this.scaleExtent([1,1/0]).translateExtent([[0,0],[e.width,e.height]]).extent([[0,0],[e.width,e.height]]),this},e.zoom.update=function(){return this.updateExtent().updateDomain()},e.zoom.updateExtent()},T.zoomTransform=function(t){var e=[this.x(t[0]),this.x(t[1])];return this.d3.zoomIdentity.scale(this.width/(e[1]-e[0])).translate(-e[0],0)},T.getZoomDomain=function(){var t=this.config,e=this.d3;return[e.min([this.orgXDomain[0],t.zoom_x_min]),e.max([this.orgXDomain[1],t.zoom_x_max])]},T.redrawForZoom=function(){var t=this,e=t.d3,i=t.config,n=t.zoom,a=t.x;i.zoom_enabled&&0!==t.filterTargetsToShow(t.data.targets).length&&(n.update(),t.isCategorized()&&a.orgDomain()[0]===t.orgXDomain[0]&&a.domain([t.orgXDomain[0]-1e-10,a.orgDomain()[1]]),t.redraw({withTransition:!1,withY:i.zoom_rescale,withSubchart:!1,withEventRect:!1,withDimension:!1}),e.event.sourceEvent&&"mousemove"===e.event.sourceEvent.type&&(t.cancelClick=!0),i.zoom_onzoom.call(t.api,a.orgDomain()))},A});
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