RGraph/examples/meter.html

   1 <?php ob_start('ob_gzhandler') ?>
   2 <!DOCTYPE html>
   3 <html>
   4 <head>
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  21     <title>RGraph: HTML5 canvas graph library - meter</title>
  22
  23     <meta name="keywords" content="rgraph html5 canvas example meter chart" />
  24     <meta name="description" content="RGraph: Meter chart example" />
  25
  26     <link rel="stylesheet" href="../css/website.css" type="text/css" media="screen" />
  27     <link rel="icon" type="image/png" href="../images/favicon.png">
  28
  29     <script src="../libraries/RGraph.common.core.js" ></script>
  30     <script src="../libraries/RGraph.common.context.js" ></script>
  31     <script src="../libraries/RGraph.common.annotate.js" ></script>
  32     <script src="../libraries/RGraph.common.tooltips.js" ></script>
  33     <script src="../libraries/RGraph.common.zoom.js" ></script>
  34     <script src="../libraries/RGraph.common.resizing.js" ></script>
  35     <script src="../libraries/RGraph.meter.js" ></script>
  36     <!--[if IE 8]><script src="../excanvas/excanvas.compressed.js"></script><![endif]-->
  37
  38     <script>
  39         window.onload = function ()
  40         {
  41             var meter1 = new RGraph.Meter('meter1', 50, 100, 58);
  42
  43             var grad1 = meter1.context.createRadialGradient(meter1.canvas.width / 2,meter1.canvas.height - 25,0,meter1.canvas.width / 2,meter1.canvas.height - 25,200);
  44             grad1.addColorStop(0, 'green');
  45             grad1.addColorStop(1, 'white');
  46
  47             var grad2 = meter1.context.createRadialGradient(meter1.canvas.width / 2, meter1.canvas.height - 25,0,meter1.canvas.width / 2, meter1.canvas.height - 25,200);
  48             grad2.addColorStop(0, 'yellow');
  49             grad2.addColorStop(1, 'white');
  50
  51             var grad3 = meter1.context.createRadialGradient(meter1.canvas.width / 2, meter1.canvas.height - 25,0,meter1.canvas.width / 2, meter1.canvas.height - 25,200);
  52             grad3.addColorStop(0, 'red');
  53             grad3.addColorStop(1, 'white');
  54
  55             //meter1.Set('chart.contextmenu', [['Zoom in', RGraph.Zoom], ['Show palette', RGraph.Showpalette], ['Clear annotations', function () {RGraph.Clear(meter1.canvas); meter1.Draw();}], null, ['Cancel', function () {}]]);
  56             meter1.Set('chart.annotatable', true);
  57             meter1.Set('chart.labels.position', 'inside');
  58             meter1.Set('chart.title', 'A sample measurement (annotatable)');
  59             meter1.Set('chart.title.vpos', 0.5);
  60             meter1.Set('chart.title.color', 'black');
  61             meter1.Set('chart.green.color', grad1);
  62             meter1.Set('chart.yellow.color', grad2);
  63             meter1.Set('chart.red.color', grad3);
  64             meter1.Set('chart.shadow', true);
  65             meter1.Set('chart.shadow.color', 'gray');
  66             meter1.Set('chart.shadow.offsetx', 0);
  67             meter1.Set('chart.shadow.offsety', 0);
  68             meter1.Set('chart.shadow.blur', 15);
  69             meter1.Set('chart.zoom.hdir', 'center');
  70             meter1.Set('chart.zoom.vdir', 'center');
  71             meter1.Set('chart.contextmenu', [['Clear', function () {RGraph.Clear(meter1.canvas); meter1.Draw();}]]);
  72             meter1.Draw();
  73
  74             var meter2 = new RGraph.Meter('meter2', 0, 10, 5);
  75             meter2.Set('chart.units.post', 'k');
  76             meter2.Set('chart.red.start', 0);
  77             meter2.Set('chart.red.end', 3);
  78             meter2.Set('chart.yellow.start', 3);
  79             meter2.Set('chart.yellow.end', 6);
  80             meter2.Set('chart.green.start', 6);
  81             meter2.Set('chart.green.end', 10);
  82             meter2.Set('chart.resizable', true);
  83             meter2.Draw();
  84
  85             var meter3 = new RGraph.Meter('meter3', 0, 500, 210);
  86             //meter3.Set('chart.units.post', 'pt');
  87             meter3.Set('chart.red.start', 0);
  88             meter3.Set('chart.red.end', 100);
  89             meter3.Set('chart.yellow.start', 100);
  90             meter3.Set('chart.yellow.end', 200);
  91             meter3.Set('chart.green.start', 200);
  92             meter3.Set('chart.green.end', 500);
  93             meter3.Draw();
  94         }
  95     </script>
  96 </head>
  97 <body>
  98
  99     <!-- Social networking buttons -->
 100
 101     <script>
 102         function HideTwitterDIV ()
 103         {
 104             document.getElementById("twitter_div").style.opacity = 0;
 105             document.getElementById("twitter_div").style.display = 'none';
 106         }
 107
 108
 109         function ShowTwitterDIV (e)
 110         {
 111             var e   = RGraph.FixEventObject(document.all ? event : e);
 112             var div = document.getElementById("twitter_div");
 113             var img = document.getElementById("twitter_icon");
 114
 115             div.style.display = 'block';
 116             div.style.left    = (RGraph.getCanvasXY(img)[0] + img.offsetWidth - div.offsetWidth + 110) + 'px';
 117             div.style.top     = (RGraph.getCanvasXY(img)[1] - 1) + 'px';
 118
 119             /**
 120             * Fade it in
 121             */
 122             setTimeout('document.getElementById("twitter_div").style.opacity = 0.2;', 25);
 123             setTimeout('document.getElementById("twitter_div").style.opacity = 0.4;', 50);
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 125             setTimeout('document.getElementById("twitter_div").style.opacity = 0.8;', 125);
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 127
 128             e.stopPropagation();
 129
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 132
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 135         */
 136         if (RGraph.isIE8()) {
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 192     <!-- /Social networking buttons -->
 193
 194
 195 <h1>RGraph: HTML5 canvas graph library - Meter</h1>
 196     <script>
 197         if (RGraph.isIE8()) {
 198             document.write('<div style="background-color: #fee; border: 2px dashed red; padding: 5px"><b>Important</b><br /><br /> Internet Explorer 8 does not natively support the HTML5 canvas tag, so if you want to see the graphs, you can either:<ul><li>Install <a href="http://code.google.com/chrome/chromeframe/">Google Chrome Frame</a></li><li>Use ExCanvas. This is provided in the RGraph Archive.</li><li>Use another browser entirely. Your choices are Firefox 3.5+, Chrome 2+, Safari 4+ or Opera 10.5+. </li></ul> <b>Note:</b> Internet Explorer 9 fully supports the canvas tag. Click <a href="http://groups.google.com/group/rgraph/browse_thread/thread/c5651ff8c56b8f3c#" target="_blank">here</a> to see some screenshots.</div>');
 199         }
 200     </script>
 201
 202
 203     <div id="breadcrumb">
 204         <a href="../index.html">RGraph: HTML5 canvas graph library</a>
 205         >
 206         <a href="./index.html">Examples</a>
 207         >
 208         Meter
 209     </div>
 210
 211     <div>
 212         <p>
 213             The Meter is similar to the Odometer albeit only a semi-circle and not a full circle. It can be better when trying illustrate
 214             a particular level, but only have a limited amount of space. It could also be quite effective as part of a control panel.
 215         </p>
 216
 217         <p></p>
 218     </div>
 219
 220     <div>
 221         <ul>
 222             <li><a href="../docs/meter.html">Meter API documentation</a></li>
 223         </ul>
 224     </div>
 225
 226     <div style="text-align: center">
 227         <canvas id="meter1" width="600" height="300"><div class="canvasfallback">[No canvas support]</div></canvas>
 228         <canvas id="meter2" width="600" height="300"><div class="canvasfallback">[No canvas support]</div></canvas>
 229         <canvas id="meter3" width="600" height="300"><div class="canvasfallback">[No canvas support]</div></canvas>
 230     </div>
 231
 232 </body>
 233 </html>