tests/x-axis-formatter.html

   1 <html>
   2   <head>
   3     <title>X Axis Label Formatting</title>
   4     <!--[if IE]>
   5     <script type="text/javascript" src="excanvas.js"></script>
   6     <![endif]-->
   7     <script type="text/javascript" src="../strftime/strftime-min.js"></script>
   8     <script type="text/javascript" src="../rgbcolor/rgbcolor.js"></script>
   9     <script type="text/javascript" src="../dygraph-canvas.js"></script>
  10     <script type="text/javascript" src="../dygraph.js"></script>
  11   </head>
  12   <body>
  13     <p>Original data:</p>
  14     <div id="normal" style="width:600px; height:300px;"></div>
  15
  16     <p>Same data, but offset by 2 hours with the date formatter:</p>
  17     <div id="offby2" style="width:600px; height:300px;"></div>
  18
  19     <p>Same data, but always displaying HH:MM:SS:</p>
  20     <div id="seconds" style="width:600px; height:300px;"></div>
  21
  22     <script type="text/javascript">
  23       function HourlyData() {
  24         return "" +
  25           "Date,A,B\n" +
  26           "2009/07/12 00:00:00,3,4\n" +
  27           "2009/07/12 01:00:00,5,6\n" +
  28           "2009/07/12 02:00:00,7,6\n" +
  29           "2009/07/12 03:00:00,6,5\n" +
  30           "2009/07/12 04:00:00,4,7\n" +
  31           "2009/07/12 05:00:00,3,6\n" +
  32           "2009/07/12 06:00:00,4,6"
  33       }
  34
  35       new Dygraph(
  36             document.getElementById("normal"),
  37             HourlyData()
  38           );
  39
  40       new Dygraph(
  41             document.getElementById("offby2"),
  42             HourlyData(),
  43             {
  44               xAxisLabelFormatter:
  45                 function(d, gran) {
  46                   return Dygraph.dateAxisFormatter(new Date(d.getTime() + 7200*1000), gran);
  47                 }
  48             });
  49
  50       new Dygraph(
  51             document.getElementById("seconds"),
  52             HourlyData(),
  53             {
  54               xAxisLabelWidth: 70,
  55               xAxisLabelFormatter:
  56                 function(d, gran) {
  57                   return Dygraph.zeropad(d.getHours()) + ":"
  58                       + Dygraph.zeropad(d.getMinutes()) + ":"
  59                       + Dygraph.zeropad(d.getSeconds());
  60                 }
  61             });
  62     </script>
  63   </body>
  64 </html>