tests/labelsKMB.html

   1 <!DOCTYPE html>
   2 <html>
   3   <head>
   4     <meta http-equiv="X-UA-Compatible" content="IE=EmulateIE7; IE=EmulateIE9">
   5     <title>labelsKMB</title>
   6     <!--[if IE]>
   7     <script type="text/javascript" src="../excanvas.js"></script>
   8     <![endif]-->
   9     <script type="text/javascript" src="../strftime/strftime-min.js"></script>
  10     <script type="text/javascript" src="../rgbcolor/rgbcolor.js"></script>
  11     <script type="text/javascript" src="../dygraph-canvas.js"></script>
  12     <script type="text/javascript" src="../dygraph.js"></script>
  13   </head>
  14   <body>
  15     <p>labelsKMB:</p>
  16     <div id="labelsKMB" style="width:600px; height: 300px;"></div>
  17
  18     <p>labelsKMG2:</p>
  19     <div id="labelsKMG2" style="width:600px; height: 300px;"></div>
  20
  21     <p>labelsKMG2 with yValueFormatter:</p>
  22     <div id="labelsKMG2yValueFormatter" style="width:600px; height: 300px;"></div>
  23
  24     <p>The curves are exponentials. Zooming in should reveal each of the 'K',
  25     'M', 'B', etc. labels.</p>
  26
  27     <script type="text/javascript">
  28       function round(num, places) {
  29         var shift = Math.pow(10, places);
  30         return Math.round(num * shift)/shift;
  31       };
  32
  33       var data = [];
  34       for (var i = 0, n = 1; i < 43; i++, n *= 2) {
  35         data.push([i, n]);
  36       }
  37
  38       var suffixes = ['', 'k', 'M', 'G', 'T'];
  39       function formatValue(v) {
  40         if (v < 1000) return v;
  41
  42         var magnitude = Math.floor(String(Math.floor(v)).length / 3);
  43         if (magnitude > suffixes.length - 1)
  44           magnitude = suffixes.length - 1;
  45         return String(round(v / Math.pow(10, magnitude * 3), 2)) +
  46           suffixes[magnitude];
  47       }
  48
  49       new Dygraph(document.getElementById("labelsKMB"), data, { labelsKMB: true });
  50       new Dygraph(document.getElementById("labelsKMG2"), data, { labelsKMG2: true });
  51       var g = new Dygraph(document.getElementById("labelsKMG2yValueFormatter"), data,
  52                           { labelsKMG2: true, yValueFormatter: formatValue });
  53     </script>
  54   </body>
  55 </html>