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     <!--
  10     For production (minified) code, use:
  11     <script type="text/javascript" src="dygraph-combined.js"></script>
  12     -->
  13     <script type="text/javascript" src="../dygraph-dev.js"></script>
  14
  15   </head>
  16   <body>
  17     <p>labelsKMB:</p>
  18     <div id="labelsKMB" style="width:600px; height: 300px;"></div>
  19
  20     <p>labelsKMG2:</p>
  21     <div id="labelsKMG2" style="width:600px; height: 300px;"></div>
  22
  23     <p>labelsKMG2 with yValueFormatter:</p>
  24     <div id="labelsKMG2yValueFormatter" style="width:600px; height: 300px;"></div>
  25
  26     <p>The curves are exponentials. Zooming in should reveal each of the 'K',
  27     'M', 'B', etc. labels.</p>
  28
  29     <script type="text/javascript">
  30       function round(num, places) {
  31         var shift = Math.pow(10, places);
  32         return Math.round(num * shift)/shift;
  33       };
  34
  35       var data = [];
  36       for (var i = 0, n = 1; i < 63; i++, n *= 2) {
  37         data.push([i, n]);
  38       }
  39
  40       var suffixes = ['', 'k', 'M', 'G', 'T'];
  41       function formatValue(v) {
  42         if (v < 1000) return v;
  43
  44         var magnitude = Math.floor(String(Math.floor(v)).length / 3);
  45         if (magnitude > suffixes.length - 1)
  46           magnitude = suffixes.length - 1;
  47         return String(round(v / Math.pow(10, magnitude * 3), 2)) +
  48           suffixes[magnitude];
  49       }
  50
  51       var g = new Dygraph(document.getElementById("labelsKMB"), data, { labelsKMB: true });
  52       var g2 = new Dygraph(document.getElementById("labelsKMG2"), data, { labelsKMG2: true });
  53       var g3 = new Dygraph(document.getElementById("labelsKMG2yValueFormatter"), data,
  54                           { labelsKMG2: true, yValueFormatter: formatValue });
  55     </script>
  56   </body>
  57 </html>