web/static/seepark_web.js

   1 var chart = c3.generate({
   2         bindto: '#chart',
   3         transition: {
   4                 duration: null
   5         },
   6         title: {
   7                 text: 'Der See'
   8         },
   9         data: {
  10                 url: '/data/', // redirects to /data/1
  11                 mimeType: 'json',
  12                 xs: {
  13                         '0316a2193bff': '0316a2193bff_x',
  14                         '0316a21383ff': '0316a21383ff_x'
  15                 },
  16                 names: {
  17                         '0316a2193bff': 'Wassertemperatur in 4 m Tiefe',
  18                         '0316a21383ff': 'Wassertemperatur in 5 m Tiefe'
  19                 },
  20                 xFormat: '%Y-%m-%d %H:%M:%S',
  21                 colors: {
  22                         '0316a2193bff': 'lightblue',
  23                         '0316a21383ff': 'darkblue'
  24                 }
  25         },
  26         axis: {
  27                 x: {
  28                         type: 'timeseries',
  29                         tick: {
  30                                 format: '%Y-%m-%d %H:%M',
  31                                 fit: false,
  32                                 multiline: true, // broken? so →
  33                                 rotate: -90
  34                         }
  35                 },
  36                 y: {
  37                         label: {
  38                                 text: 'Temperatur in °C',
  39                                 position: 'outer-middle'
  40                         },
  41                         tick: {
  42                                 format: function (d) {
  43                                         return d + '°';
  44                                 }
  45                         }
  46                 }
  47         },
  48         zoom: {
  49                 enabled: true,
  50                 onzoomend: function (domain) {
  51                         // UNIX epoch
  52                         var start = domain[0].getTime()/1000;
  53                         var end   = domain[1].getTime()/1000;
  54                         var duration = end - start;
  55                         // duration is now the diff of the "viewport in seconds"
  56                         // FIXME
  57                         var days = Math.round(duration / 86400 / 2);
  58                         if (days > 0) {
  59                                 loaddays(days);
  60                         }
  61                 }
  62         },
  63         tooltip: {
  64                 format: {
  65                         name: function (name, ratio, id, index) {
  66                                 var re = /\d m/;
  67                                 var res = re.exec(name);
  68                                 return res;
  69                         },
  70                         value: function (value, ratio, id, index) {
  71                                 return value.toFixed(2) + '°';
  72                         }
  73                 }
  74         },
  75         grid: {
  76                 y: {
  77                         show: true
  78                 }
  79         },
  80         regions: [
  81                 {axis: 'y', start: -999, end:   0, class: 'region-frozen'},
  82                 {axis: 'y', start:    0, end:  25, class: 'region-ok'},
  83                 {axis: 'y', start:   25, end: 100, class: 'region-warm'},
  84                 {axis: 'y', start:  100, end: 999, class: 'region-boiling'}
  85         ]
  86 });
  87
  88 function loaddays(days) {
  89         chart.load({
  90                 url: '/data/' + days,
  91                 mimeType: 'json'
  92         });
  93 }