web/static/seepark_web.js

   1 var api_base_url = '/api/1/sensor/type/Wassertemperatur?mode=consolidated&format=c3';
   2
   3 function dayschart(element, interval, days, xtickformat) {
   4         var chart = c3.generate({
   5                 bindto: '#' + element,
   6                 size: {
   7                         width: document.getElementById(element).parentElement.clientWidth * 80 / 100
   8                 },
   9                 transition: {
  10                         duration: null
  11                 },
  12                 title: {
  13                         text: 'Der See (' + interval + ')'
  14                 },
  15                 data: {
  16                         url: api_base_url + beginend(days),
  17                         mimeType: 'json',
  18                         xs: {
  19                                 '0316a2193bff': '0316a2193bff_x',
  20                                 '0316a21383ff': '0316a21383ff_x'
  21                         },
  22                         names: {
  23                                 '0316a2193bff': 'Wassertemperatur in 4 m Tiefe',
  24                                 '0316a21383ff': 'Wassertemperatur in 5 m Tiefe'
  25                         },
  26                         xFormat: '%Y-%m-%d %H:%M:%S',
  27                         colors: {
  28                                 '0316a2193bff': 'lightblue',
  29                                 '0316a21383ff': 'darkblue'
  30                         }
  31                 },
  32                 axis: {
  33                         x: {
  34                                 type: 'timeseries',
  35                                 tick: {
  36                                         format: xtickformat,
  37                                         fit: false,
  38                                         multiline: true, // broken? so →
  39                                         rotate: -90
  40                                 }
  41                         },
  42                         y: {
  43                                 label: {
  44                                         text: 'Temperatur in °C',
  45                                         position: 'outer-middle'
  46                                 },
  47                                 tick: {
  48                                         format: function (d) {
  49                                                 return d.toFixed(1) + '°';
  50                                         }
  51                                 }
  52                         }
  53                 },
  54                 zoom: {
  55                         enabled: true,
  56                         onzoomend: function (domain) {
  57                                 // UNIX epoch
  58                                 var start = domain[0].getTime()/1000;
  59                                 var end   = domain[1].getTime()/1000;
  60                                 var duration = end - start;
  61                                 // duration is now the diff of the "viewport in seconds"
  62                                 // FIXME
  63                                 var days = Math.round(duration / 86400 / 2);
  64                                 if (days > 0) {
  65                                         loaddays(days);
  66                                 }
  67                         }
  68                 },
  69                 tooltip: {
  70                         format: {
  71                                 name: function (name, ratio, id, index) {
  72                                         var re = /\d m/;
  73                                         var res = re.exec(name);
  74                                         return res;
  75                                 },
  76                                 value: function (value, ratio, id, index) {
  77                                         return value.toFixed(2) + '°';
  78                                 },
  79                                 title: function (x) {
  80                                         // TODO: format datetime into something readable
  81                                         return x;
  82                                 }
  83                         }
  84                 },
  85                 grid: {
  86                         y: {
  87                                 show: true
  88                         }
  89                 },
  90                 regions: [
  91                         {axis: 'y', start: -999, end:   0, class: 'region-frozen'},
  92                         {axis: 'y', start:    0, end:  25, class: 'region-ok'},
  93                         {axis: 'y', start:   25, end: 100, class: 'region-warm'},
  94                         {axis: 'y', start:  100, end: 999, class: 'region-boiling'}
  95                 ]
  96         });
  97         };
  98
  99 function loaddays(days) {
 100         chart.load({
 101                 url: api_base_url + beginend(days),
 102                 mimeType: 'json'
 103         });
 104 }
 105
 106 function beginend(days) {
 107         var now = Date.now();
 108         var end = new Date(now).toISOString().substr(0, 19); // 2018-06-13T16:52:30.995Z
 109         var begin = new Date(now - days * 60*60*24 * 1000).toISOString().substr(0, 19);
 110         return '&begin=' + begin + '&end=' + end;
 111 }
 112
 113 dayschart('chart1',   'Tag',     1, '%H:%M');
 114 dayschart('chart7',   'Woche',   7, '%a %d');
 115 dayschart('chart31',  'Monat',  31, 'Woche %V');
 116 dayschart('chart365', 'Jahr',  365, '%b %d');