function init_wrmap(i, jq_map) {
// define constants
- var EPSG4326 = new OpenLayers.Projection("EPSG:4326"); // lon/lat
- var EPSG3857 = new OpenLayers.Projection("EPSG:3857"); // google
+ let EPSG4326 = ol.proj.get("EPSG:4326"); // lon/lat
+ let EPSG3857 = ol.proj.get("EPSG:3857"); // google
// tool functions
function createElement(tagName, attributes) {
- var element = $(document.createElement(tagName));
+ let element = $(document.createElement(tagName));
if (attributes === undefined) return element;
- for (var attribute in attributes) {
+ for (let attribute in attributes) {
element.attr(attribute, attributes[attribute]);
}
return element;
function appendElement(parentElement, tagName, attributes) {
if (attributes === undefined) attributes = {};
- var element = createElement(tagName, attributes);
+ let element = createElement(tagName, attributes);
parentElement.append(element);
return element;
}
// extract geojson from map element and clear map element's content
jq_map = $(jq_map);
- var ext_path = jq_map.attr('data-ext-path'); // e.g. '/mediawiki/extensions/wrmap'
- var img_path = ext_path + '/img';
- OpenLayers.ImgPath = ext_path + '/openlayers/img/'; // e.g. '/mediawiki/extensions/wrmap/openlayers/img/'
- var json_string = jq_map.children().last().text();
+ let ext_path = jq_map.attr('data-ext-path'); // e.g. '/mediawiki/extensions/wrmap'
+ let img_path = ext_path + '/img';
+ let json_string = jq_map.children().last().text();
jq_map.empty(); // once parsed, remove geojson string from the map element.
- var format_json = new OpenLayers.Format.JSON();
- var json_js = format_json.read(json_string);
- var format_geojson = new OpenLayers.Format.GeoJSON();
- var features_all = format_geojson.read(json_js);
-
- // extract, tranform and split features to layers
- var features_path = new Array();
- var features_point = new Array();
- for (var i = 0; i != features_all.length; ++i) {
- var feature = features_all[i];
- feature.geometry.transform(EPSG4326, EPSG3857);
- if (feature.geometry instanceof OpenLayers.Geometry.Point) features_point.push(feature);
- else features_path.push(feature);
- }
+ let json_js = JSON.parse(json_string);
+ let format_geojson = new ol.format.GeoJSON();
+ let features_all = format_geojson.readFeatures(json_js, {dataProjection: EPSG4326, featureProjection: EPSG3857});
- // background layer
- // ----------------
- var layer_map = new OpenLayers.Layer.Google("Google Physical", {
- type: google.maps.MapTypeId.TERRAIN
- });
-
- // // Alternative: OSM map
- // var layer_map = new OpenLayers.Layer.OSM();
-
- // // Alternative: Microsoft Bing Maps
- // var layer_map = new OpenLayers.Layer.Bing({
- // type: "Road",
- // key: "AgPH3SlIXAwajrJKf0FORQyhTqsP8KIlvtN6RKfvxe6fOB6q6-HFmg8EOFm7LSOA"});
-
- // // Alternative: Dummy base layer
- // var layer_map = new OpenLayers.Layer.Vector("Base Layer", {
- // isBaseLayer: true});
-
-
// path layer
// ----------
- var layer_path = new OpenLayers.Layer.Vector("Path", {
- styleMap: new OpenLayers.StyleMap(new OpenLayers.Style({
- strokeColor: '${getStrokeColor}',
- strokeWidth: '${getStrokeWidth}'
- }, {
- context: {
- getStrokeColor: function(feature) {
- if (feature.attributes.strokeColor !== undefined) return feature.attributes.strokeColor;
- if (feature.attributes.type == 'rodelbahn') return '#014e9a';
- if (feature.attributes.type == 'gehweg') return '#e98401';
- if (feature.attributes.type == 'alternative') return '#7f7fff';
- if (feature.attributes.type == 'lift') return '#000000';
- if (feature.attributes.type == 'anfahrt') return '#e1e100';
- return '#ee9900';
- },
- getStrokeWidth: function(feature) {
- if (feature.attributes.strokeWidth !== undefined) return feature.attributes.strokeWidth;
- if (feature.attributes.type == 'lift' || feature.attributes.type == 'anfahrt') return 3;
- return 6;
- }
- }
- }))
- });
-
- // point layer
- // -----------
- var filter_point_sledrun = new OpenLayers.Filter.Comparison({
- type: OpenLayers.Filter.Comparison.EQUAL_TO,
- property: 'type',
- value: 'sledrun'
- });
+ function get_feature_title(feature) {
+ let title = feature.get('type');
+ if (title == 'sledrun') return feature.get('name');
+ title = title.charAt(0).toUpperCase() + title.slice(1); // first letter uppercase
+ if (feature.get('name')) title += ': ' + feature.get('name');
+ return title;
+ }
// Returns 0 to 5 for features that represent sledruns as their condition
- var get_sledrun_condition = function(feature) {
- if (feature.attributes.condition === undefined) return 0;
- return feature.attributes.condition;
+ let get_sledrun_condition = function(feature) {
+ let condition = feature.get('condition');
+ if (condition === undefined) return 0;
+ return condition;
}
+ function sledrun_icon_style(condition, highlight) {
+ let hl = highlight ? 'h' : 'n';
+ let src = img_path + '/marker_c_sledrun_' + condition + 'n' + hl + '.png';
+ return new ol.style.Style({
+ image: new ol.style.Icon({
+ src: src,
+ imgSize: [17, 17],
+ anchor: [0.5, 0.5]
+ }),
+ });
- var layer_point = new OpenLayers.Layer.Vector("Point", {
- styleMap: new OpenLayers.StyleMap({
- 'default': new OpenLayers.Style({
- graphicZIndex: 12,
- backgroundGraphicZIndex: 11,
- }, {
- context: {
- // the following context functions should only be available in the rule that uses them,
- // but the rule dependent contexts are ignored by OpenLayers (I think that's a bug)
- getCondition: get_sledrun_condition,
- getSymbol: function(feature) {
- var name = feature.attributes.type;
- return name;
- }
- },
- rules: [
- new OpenLayers.Rule({
- filter: filter_point_sledrun,
- symbolizer: {
- externalGraphic: img_path + '/marker_c_sledrun_${getCondition}nn.png',
- graphicWidth: 17,
- graphicHeight: 17,
- graphicXOffset: -8,
- graphicYOffset: -8,
- backgroundGraphic: img_path + '/marker_c_shadow.png',
- backgroundWidth: 23,
- backgroundHeight: 23,
- backgroundXOffset: -8,
- backgroundYOffset: -8,
- }
- }),
- new OpenLayers.Rule({
- elseFilter: true,
- symbolizer: {
- externalGraphic: img_path + '/marker_p_${getSymbol}.png',
- graphicWidth: 20,
- graphicHeight: 34,
- graphicXOffset: -10,
- graphicYOffset: -33,
- }
- })
- ]
- }),
- highlight: new OpenLayers.Style({
- label: "${getTitle}",
- labelOutlineColor: "white",
- fontWeight: "bold"
- }, {
- context: {
- getCondition: get_sledrun_condition,
- getTitle: function(feature) {
- var title = '';
- if (feature.attributes.type != 'point') {
- title = feature.attributes.type;
- title = title.charAt(0).toUpperCase() + title.slice(1); // First letter uppercase
- if (feature.attributes.name !== undefined) title += ': ';
- }
- if (feature.attributes.name !== undefined) title += feature.attributes.name;
- return title;
- }
- },
- rules: [
- new OpenLayers.Rule({
- filter: filter_point_sledrun,
- symbolizer: {
- label: "${name}",
- labelYOffset: 14,
- externalGraphic: img_path + '/marker_c_sledrun_${getCondition}nh.png'
- }
- }),
- new OpenLayers.Rule({
- elseFilter: true,
- symbolizer: {
- labelYOffset: 40
- }
- })
- ]
+ }
+
+ function sledrun_icon_shadow_style() {
+ return new ol.style.Style({
+ image: new ol.style.Icon({
+ src: img_path + '/marker_c_shadow.png',
+ imgSize: [23, 23],
+ anchor: [0.4, 0.4]
+ }),
+ });
+ }
+
+ function marker_icon_style(feature) {
+ let src = img_path + '/marker_p_' + feature.get('type') + '.png';
+ return new ol.style.Style({
+ image: new ol.style.Icon({
+ src: src,
+ imgSize: [20, 34],
+ anchor: [0.5, 1.0]
+ }),
+ });
+ }
+
+ function point_style(feature, highlight) {
+ let sledrun = feature.get('type') == 'sledrun';
+ let icon_style;
+ if (sledrun) {
+ let condition = get_sledrun_condition(feature);
+ icon_style = sledrun_icon_style(condition, highlight);
+ } else icon_style = marker_icon_style(feature);
+ if (highlight) {
+ icon_style.setText(new ol.style.Text({
+ text: get_feature_title(feature),
+ font: 'icon',
+ offsetY: 14,
+ stroke: new ol.style.Stroke({
+ color: '#ddd',
+ width: 2,
}),
- select: new OpenLayers.Style({
- fillOpacity: 1.
- }, {
- context: {
- getCondition: get_sledrun_condition,
- },
- rules: [
- new OpenLayers.Rule({
- filter: filter_point_sledrun,
- symbolizer: {
- externalGraphic: img_path + '/marker_c_sledrun_${getCondition}nh.png',
- backgroundGraphic: false,
- graphicXOffset: -6,
- graphicYOffset: -6
- }
- }),
- new OpenLayers.Rule({
- elseFilter: true
- })
- ]
- })
- }),
- rendererOptions: {yOrdering: true}
- });
+ }));
+ }
+ if (sledrun) {
+ let shadow_style = sledrun_icon_shadow_style();
+ return [shadow_style, icon_style];
+ }
+ return [icon_style];
+ }
+
+ function style_point_function(feature, resolution) {
+ return point_style(feature, false);
+ }
+
+ function style_point_function_highlight(feature, resolution) {
+ return point_style(feature, true);
+ }
+
+ function style_path_function(feature, resolution) {
+ let line_color = {
+ 'rodelbahn': '#014e9a',
+ 'gehweg': '#e98401',
+ 'alternative': '#7f7fff',
+ 'lift': '#000000',
+ 'anfahrt': '#e1e100'
+ };
+ let color = feature.get('strokeColor') || line_color[feature.get('type')] || '#e7525b';
+ let width = (['lift', 'anfahrt'].indexOf(feature.get('type')) >= 0) ? 3 : 6;
+ return new ol.style.Style({
+ stroke: new ol.style.Stroke({
+ color: color,
+ width: width
+ })
+ });
+ }
+
+ function style_function(feature, resolution) {
+ if (feature.getGeometry() instanceof ol.geom.Point) return style_point_function(feature, resolution);
+ return style_path_function(feature, resolution);
+ };
+
+ function style_function_highlight(feature, resolution) {
+ if (feature.getGeometry() instanceof ol.geom.Point) return style_point_function_highlight(feature, resolution);
+ return style_path_function(feature, resolution);
+ };
+
+
+ // popup overlay
+ // -------------
+ let popup_container = document.getElementById('popup');
+ let popup_content = document.getElementById('popup-content');
+ let popup_closer = document.getElementById('popup-closer');
+ let popup_overlay = new ol.Overlay({element: popup_container, autoPan: {animation: {duration: 250}}});
+ popup_closer.onclick = function() {popup_overlay.setPosition(undefined); popup_closer.blur(); return false;};
+
+ function create_popup_dom(feature) {
+ let popup_div = createElement('div');
+
+ // name
+ if (feature.get('name') !== undefined && (feature.get('wiki') !== undefined || feature.get('thumb_url') !== undefined)) {
+ let h2 = appendElement(popup_div, 'h2');
+ if (feature.get('wiki') === undefined) h2.text(feature.get('name'));
+ else appendElement(h2, 'a', {href: feature.get('wiki')}).text(feature.get('name'));
+ }
+
+ // sledrun information
+ if (feature.get('type') == 'sledrun') {
+ let p = appendElement(popup_div, 'p').text('Rodelbahnzustand').append(createElement('br'));
+ if (feature.get('condition') !== undefined) {
+ let condition_text = {1: 'Sehr gut', 2: 'Gut', 3: 'Mittelmäßig', 4: 'Schlecht', 5: 'Geht nicht'};
+ let year_month_day = feature.get('date_report').split('-');
+ p.append(createElement('a', {href: feature.get('wiki') + '#Eintr.C3.A4ge'}).text(condition_text[feature.get('condition')]), ' ');
+ p.append(createElement('small').text(year_month_day[2] + '.' + year_month_day[1] + '.'), ' ');
+ p.append(createElement('em').append(createElement('a', {href: feature.get('wiki') + '#Eintragen'}).text('Neu')));
+ } else {
+ p.append(createElement('em').append(createElement('a', {href: feature.get('wiki') + '#Eintragen'}).text('Bitte eintragen')));
+ }
+ }
+
+ // wiki link
+ if (feature.get('wiki') !== undefined) {
+ let a = appendElement(appendElement(popup_div, 'p'), 'a', {href: feature.get('wiki')});
+ let detail_text = 'Details';
+ if (feature.get('type') == 'sledrun') detail_text += ' zur Rodelbahn';
+ if (feature.get('type') == 'gasthaus') detail_text += ' zum Gasthaus';
+ if (feature.get('thumb_url') === undefined) a.text(detail_text);
+ else a.append(createElement('img', {src: feature.get('thumb_url'), alt: detail_text, title: detail_text}));
+ }
+
+ return popup_div;
+ }
// map itself
// ----------
- var lon = json_js.properties.lon;
- var lat = json_js.properties.lat;
- var zoom = json_js.properties.zoom;
- var width = json_js.properties.width;
- var height = json_js.properties.height;
+ let lon = json_js.properties.lon;
+ let lat = json_js.properties.lat;
+ let zoom = json_js.properties.zoom;
+ let width = json_js.properties.width;
+ let height = json_js.properties.height;
if (zoom === undefined) zoom = 10; // default zoom
if (width === undefined) width = '100%'; // default width
if (height === undefined) height = 450; // default: 450 pixel
jq_map.width(width);
jq_map.height(height);
- var map = new OpenLayers.Map(jq_map.context, {
- projection: EPSG3857,
- displayProjection: EPSG4326,
- units: "m",
- theme: null,
- layers: [layer_map, layer_path, layer_point],
- center: new OpenLayers.LonLat(lon, lat).transform(EPSG4326, EPSG3857),
- zoom: zoom
+
+ let layer_sledrun_source = new ol.source.Vector({features: features_all});
+ let layer_sledrun = new ol.layer.Vector({
+ source: layer_sledrun_source,
+ style: style_function
});
-
-
- // add features
- // if this would be done before the layer is added to the map, the features are not added
- layer_path.addFeatures(features_path);
- layer_point.addFeatures(features_point);
-
- // disable mouse wheel zoom
- var navigation_control = map.getControlsByClass('OpenLayers.Control.Navigation')[0];
- navigation_control.disableZoomWheel();
-
- // layer switcher
- // map.addControl(new OpenLayers.Control.LayerSwitcher());
-
- // print sledrun name when mouse moves over it
- map.addControl(new OpenLayers.Control.SelectFeature(layer_point, {
- hover: true,
- highlightOnly: true,
- autoActivate: true,
- renderIntent: "highlight"
- }));
-
- // show popup when user clicks on a sledrun icon
- map.addControl(new OpenLayers.Control.SelectFeature(layer_point, {
- autoActivate: true,
- toggle: true,
- onSelect: function(feature) {
- var attr = feature.attributes;
- var popup_div = createElement('div');
-
- // name
- if (attr.name !== undefined && (attr.wiki !== undefined || attr.thumb_url !== undefined)) {
- var h2 = appendElement(popup_div, 'h2');
- if (attr.wiki === undefined) h2.text(attr.name);
- else appendElement(h2, 'a', {href: attr.wiki}).text(attr.name);
- }
- // sledrun information
- if (attr.type == 'sledrun') {
- var p = appendElement(popup_div, 'p').text('Rodelbahnzustand').append(createElement('br'));
- if (attr.condition !== undefined) {
- var condition_text = {1: 'Sehr gut', 2: 'Gut', 3: 'Mittelmäßig', 4: 'Schlecht', 5: 'Geht nicht'};
- var year_month_day = attr.date_report.split('-');
- p.append(createElement('a', {href: attr.wiki + '#Eintr.C3.A4ge'}).text(condition_text[attr.condition]), ' ');
- p.append(createElement('small').text(year_month_day[2] + '.' + year_month_day[1] + '.'), ' ');
- p.append(createElement('em').append(createElement('a', {href: attr.wiki + '#Eintragen'}).text('Neu')));
- } else {
- p.append(createElement('em').append(createElement('a', {href: attr.wiki + '#Eintragen'}).text('Bitte eintragen')));
- }
+ let map = new ol.Map({
+ target: jq_map[0],
+ layers: [
+ layer_sledrun
+ ],
+ overlays: [popup_overlay],
+ view: new ol.View({
+ center: ol.proj.fromLonLat([lon, lat]),
+ zoom: zoom
+ }),
+ controls: ol.control.defaults({
+ attributionOptions: {
+ collapsible: false
}
+ }),
+ interactions: ol.interaction.defaults({
+ mouseWheelZoom: false,
+ dragPan: false,
+ }).extend([
+ new ol.interaction.DragPan({
+ condition: function (event) {
+ return this.getPointerCount() === 2 || ol.events.condition.platformModifierKeyOnly(event);
+ },
+ }),
+ new ol.interaction.MouseWheelZoom({
+ condition: ol.events.condition.platformModifierKeyOnly,
+ }),
+ new ol.interaction.Select({
+ condition: ol.events.condition.pointerMove,
+ style: style_function_highlight,
+ })
+ ])
+ });
- // wiki link
- if (attr.wiki !== undefined) {
- var a = appendElement(appendElement(popup_div, 'p'), 'a', {href: attr.wiki});
- var detail_text = 'Details';
- if (attr.type == 'sledrun') detail_text += ' zur Rodelbahn';
- if (attr.type == 'gasthaus') detail_text += ' zum Gasthaus';
- if (attr.thumb_url === undefined) a.text(detail_text);
- else a.append(createElement('img', {src: attr.thumb_url, alt: detail_text, title: detail_text}));
+ let select_click = new ol.interaction.Select({
+ condition: ol.events.condition.click,
+ style: false,
+ });
+ map.addInteraction(select_click);
+ select_click.on('select', function(event) {
+ if (event.selected.length > 0) {
+ let feature = event.selected[0];
+ let coordinates = feature.getGeometry().getCoordinates();
+ let popup_dom = create_popup_dom(feature);
+ if (popup_dom.children().length > 0) {
+ $(popup_content).empty().append(popup_dom);
+ popup_overlay.setPosition(coordinates);
}
-
- // no popup if we don't have anything to say
- if (popup_div.children().length == 0) return;
-
- // Open popup
- var selectFeatureControl = this;
- var popup = new OpenLayers.Popup.FramedCloud('sledruninfopopup_' + attr.wiki,
- feature.geometry.getBounds().getCenterLonLat(),
- null,
- popup_div.html(),
- null, true, function(event) {
- // onPopupClose
- selectFeatureControl.unselectAll();
- });
- feature.popup = popup;
- map.addPopup(popup);
- },
- onUnselect: function(feature) {
- if (feature.popup === null) return;
-
- // Close popup
- map.removePopup(feature.popup);
- feature.popup.destroy();
- feature.popup = null;
}
- }));
+ });
+
+
+ // background layer
+ // ----------------
+ function get_austria_feature() {
+ // simplified "inner" polygon of Austria, created with tools/austria_simplified.py
+ let austria_wkt = 'POLYGON ((9.599 47.269, 9.767 47.523, 9.986 47.442, 10.192 47.234, 10.366 47.287, 10.488 47.497, ' +
+ '10.814 47.477, 11.052 47.349, 11.732 47.539, 12.211 47.578, 12.269 47.656, 12.474 47.593, 12.676 47.622, ' +
+ '12.839 47.471, 13.039 47.436, 13.120 47.661, 12.989 47.754, 13.019 47.900, 12.864 48.130, 13.419 48.328, ' +
+ '13.516 48.523, 13.769 48.509, 13.867 48.699, 14.173 48.535, 14.726 48.561, 14.851 48.728, 14.983 48.751, ' +
+ '15.036 48.954, 15.803 48.820, 16.041 48.711, 16.374 48.694, 16.496 48.754, 16.831 48.668, 16.800 48.376, ' +
+ '17.050 48.001, 16.985 47.742, 16.583 47.795, 16.363 47.696, 16.605 47.538, 16.379 47.412, 16.402 47.043, ' +
+ '15.994 46.879, 15.914 46.732, 14.874 46.649, 14.538 46.455, 12.501 46.715, 12.213 46.957, 12.267 47.065, ' +
+ '12.181 47.126, 11.762 47.031, 11.220 47.018, 10.925 46.815, 10.520 46.900, 10.359 47.029, 10.134 46.899, ' +
+ '9.674 47.095, 9.599 47.269))';
+ let format = new ol.format.WKT();
+ let feature = format.readFeature(austria_wkt, {
+ dataProjection: EPSG4326,
+ featureProjection: EPSG3857,
+ });
+ return feature;
+ }
+
+ // basemap.at layer
+ let austria_feature = get_austria_feature();
+ function is_in_austria(feature) {
+ return austria_feature.getGeometry().intersectsCoordinate(feature.getGeometry().getFirstCoordinate());
+ }
+ let austria_only = features_all.every(is_in_austria);
+ let capabilitiesUrl = austria_only ? 'https://maps.wien.gv.at/basemap/1.0.0/WMTSCapabilities.xml' : 'https://maps.wien.gv.at/vao/1.0.0/WMTSCapabilities.xml';
+ fetch(capabilitiesUrl).then(function(response) {
+ return response.text();
+ }).then(function(text) {
+ let result = new ol.format.WMTSCapabilities().read(text);
+ let options = ol.source.WMTS.optionsFromCapabilities(result, {
+ layer: austria_only ? 'bmapgrau' : 'vaoausland',
+ matrixSet: 'google3857',
+ style: 'normal',
+ });
+ options['attributions'] = austria_only ? 'Grundkarte: <a href="https://www.basemap.at/">basemap.at</a>' : 'Grundkarte: <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a>';
+ let layer_map = new ol.layer.Tile({
+ source: new ol.source.WMTS(options),
+ });
+ map.getLayers().insertAt(0, layer_map);
+ });
+
+ // // Alternatives:
+ // // * OpenTopoMap (see https://opentopomap.org/about)
+ // // * OSM
+ // let layer_map = new ol.layer.Tile({
+ // source: new ol.source.OSM()
+ // });
+ // map.getLayers().insertAt(0, layer_map);
}
function init_wrmaps() {
- var jq_maps = $('.wrmap'); // all wrmap <div> elements
+ let jq_maps = $('.wrmap'); // all wrmap <div> elements
jq_maps.each(init_wrmap);
}
$(document).ready(init_wrmaps);
-