tests/x-axis-formatter.html

   1 <!DOCTYPE html>
   2 <html>
   3   <head>
   4     <link rel="stylesheet" href="../dist/dygraph.css">
   5     <title>X Axis Label Formatting</title>
   6     <script type="text/javascript" src="../dist/dygraph.js"></script>
   7
   8   </head>
   9   <body>
  10     <p>Original data:</p>
  11     <div id="normal" style="width:600px; height:300px;"></div>
  12
  13     <p>Same data, but offset by 2 hours with the date formatter:</p>
  14     <div id="offby2" style="width:600px; height:300px;"></div>
  15
  16     <p>Same data, but always displaying HH:MM:SS:</p>
  17     <div id="seconds" style="width:600px; height:300px;"></div>
  18
  19     <script type="text/javascript">
  20       function HourlyData() {
  21         return "" +
  22           "Date,A,B\n" +
  23           "2009/07/12 00:00:00,3,4\n" +
  24           "2009/07/12 01:00:00,5,6\n" +
  25           "2009/07/12 02:00:00,7,6\n" +
  26           "2009/07/12 03:00:00,6,5\n" +
  27           "2009/07/12 04:00:00,4,7\n" +
  28           "2009/07/12 05:00:00,3,6\n" +
  29           "2009/07/12 06:00:00,4,6"
  30       }
  31       function zeropad(x) {
  32         return (x < 10) ? '0' + x : x;
  33       }
  34
  35       var g1 = new Dygraph(
  36             document.getElementById("normal"),
  37             HourlyData()
  38           );
  39
  40       var g2 = new Dygraph(
  41             document.getElementById("offby2"),
  42             HourlyData(),
  43             {
  44               axes: {
  45                 x: {
  46                   axisLabelFormatter: function(d, gran, opts) {
  47                       return Dygraph.dateAxisLabelFormatter(new Date(d.getTime() + 7200*1000), gran, opts);
  48                   }
  49                 }
  50               }
  51             });
  52
  53       var g3 = new Dygraph(
  54             document.getElementById("seconds"),
  55             HourlyData(),
  56             {
  57               axes: {
  58                 x: {
  59                   axisLabelWidth: 70,
  60                   axisLabelFormatter: function(d, gran) {
  61                     return zeropad(d.getHours()) + ":"
  62                         + zeropad(d.getMinutes()) + ":"
  63                         + zeropad(d.getSeconds());
  64                   }
  65                 }
  66               }
  67             });
  68     </script>
  69   </body>
  70 </html>