RGraph/examples/scatter.html

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  21
  22     <title>RGraph: HTML5 canvas graph library - scatter graph</title>
  23
  24     <meta name="keywords" content="rgraph html5 canvas example scatter chart" />
  25     <meta name="description" content="RGraph: Scatter graph example" />
  26
  27     <link rel="stylesheet" href="../css/website.css" type="text/css" media="screen" />
  28     <link rel="icon" type="image/png" href="../images/favicon.png">
  29
  30     <script src="../libraries/RGraph.common.core.js" ></script>
  31     <script src="../libraries/RGraph.common.context.js" ></script>
  32     <script src="../libraries/RGraph.common.annotate.js" ></script>
  33     <script src="../libraries/RGraph.common.zoom.js" ></script>
  34     <script src="../libraries/RGraph.common.tooltips.js" ></script>
  35     <script src="../libraries/RGraph.scatter.js" ></script>
  36     <!--[if IE 8]><script src="../excanvas/excanvas.compressed.js"></script><![endif]-->
  37
  38     <script>
  39         window.onload = function ()
  40         {
  41             var data = [
  42                     [1,9, 'red'],     [360,5, 'red'],   [150,16, 'red'],  [132,12, 'red'],
  43                     [43,15, 'green'], [12,16, 'green'], [96,11, 'green'], [45,13, 'green'],
  44                     [61,9, 'blue'],   [133,7, 'blue'],  [166,1, 'blue'],  [333,18, 'blue'],
  45                     [45,16],          [166,4],          [12,3],           [45,15],
  46                     [16,16],          [98,9],           [46,8],           [43,4]
  47                    ];
  48
  49             var scatter1 = new RGraph.Scatter('scatter1', data);
  50             scatter1.Set('chart.ticksize', 4);
  51             scatter1.Set('chart.background.barcolor1', 'white');
  52             scatter1.Set('chart.background.barcolor2', 'white');
  53             scatter1.Set('chart.background.grid.autofit', true);
  54             scatter1.Set('chart.background.grid.autofit.numhlines', 10);
  55             scatter1.Set('chart.labels', [
  56                                             ['Q1', 0],
  57                                             ['Q2', 90],
  58                                             ['Q3', 180],
  59                                             ['Q4', 270]
  60                                          ]);
  61             scatter1.Set('chart.xmax', 365); // Necessary
  62             scatter1.Set('chart.title', 'A scatter graph (zoom)');
  63             scatter1.Set('chart.gutter', 40);
  64             scatter1.Set('chart.ylabels.count', 5);
  65             scatter1.Set('chart.title.xaxis', 'Quarter');
  66             scatter1.Set('chart.title.yaxis', 'Total pieces');
  67
  68
  69             if (!RGraph.isIE8()) {
  70                 scatter1.Set('chart.zoom.factor', 2);
  71                 scatter1.Set('chart.zoom.mode', 'area');
  72             }
  73             scatter1.Draw();
  74
  75             var data2 = [
  76                      [10,15,'red'],[13,16,'red'],[12,11,'red'],[15,16,'red'],[20,19,'red'],[19,16,'red'],[13,15,'red'],[11,12,'red'],[13,16,'red'],[5,19,'red'],[16,15,'red'],[13,15,'red'],[14,14,'red'],[12,12,'red'],
  77                      [5,4,'green'],[6,14,'green'],[19,12,'green'],[3,5,'green'],[1,16,'green'],[13,5,'green'],[15,15,'green'],[13,5,'green'],[4,9,'green'],[16,6,'green'],[13,18,'green'],[18,12,'green'],[19,18,'green'],[13,16,'green'],[15,14,'green'],
  78                      [12,4,'blue'],[4,23,'blue'],[13,8,'blue'],[12,12,'blue'],[18,4,'blue'],[4,18,'blue'],[11,2,'blue'],[4,3,'blue'],[5,8,'blue'],[1,9,'blue'],[4,6,'blue'],[16,8,'blue'],[17,8,'blue'],[19,9,'blue'],[13,5,'blue'],[16,21,'blue'],
  79                      [12,4],[13,12],[11,16],[4,19],[4,3],[5,6],[1,9],[4,12],[6,12],[8,8],[16,6],[13,5],[15,13],[23,23,'red'], [1,1, 'gray'],
  80                      [1,4,'gray'], [2,3,'gray'], [1,6,'gray'], [2,3,'gray'], [2,5,'gray'], [3,7,'gray'], [1,4,'gray'], [2,7,'gray']
  81                     ];
  82
  83             var scatter2 = new RGraph.Scatter('scatter2', data2);
  84             scatter2.Set('chart.ylabels.count', 10);
  85             scatter2.Set('chart.background.barcolor1', 'white');
  86             scatter2.Set('chart.background.barcolor2', 'white');
  87             scatter2.Set('chart.background.hbars', [
  88                                                     [0,null,'rgba(0,255,0,0.3)']
  89                                                    ]);
  90             scatter2.Set('chart.background.grid.autofit', true);
  91             scatter2.Set('chart.background.grid.autofit.numhlines', 10);
  92             scatter2.Set('chart.labels', ['Wk1', 'Wk2', 'Wk3', 'Wk4']);
  93             scatter2.Set('chart.xmax', 28); // Necessary
  94             scatter2.Set('chart.defaultcolor', 'black'); // Optional
  95             scatter2.Set('chart.title', 'A scatter chart (center X axis, context, crosshairs)');
  96             scatter2.Set('chart.gutter', 40);
  97             scatter2.Set('chart.tickmarks', 'square');
  98             scatter2.Set('chart.ticksize', 4);
  99             scatter2.Set('chart.ymax', 30);
 100             scatter2.Set('chart.units.pre', '$');
 101             scatter2.Set('chart.contextmenu', [['Clear', function () {RGraph.Clear(scatter2.canvas); scatter2.Draw();}]]);
 102
 103             if (!RGraph.isIE8()) {
 104                 scatter2.Set('chart.crosshairs', true);
 105                 scatter2.Set('chart.crosshairs.coords', true);
 106                 scatter2.Set('chart.crosshairs.coords.labels.x', 'Day');
 107                 scatter2.Set('chart.crosshairs.coords.labels.y', 'Amount');
 108             }
 109
 110             scatter2.Set('chart.line.colors', ['red','blue','black']);
 111             scatter2.Set('chart.key', ['Bob','Fred','Gaz']);
 112
 113             scatter2.Draw();
 114
 115
 116
 117             var scatter8 = new RGraph.Scatter('scatter8', [
 118                                                        [10,[21,22,26,31,35, 'red', 'green']],
 119                                                        [105,[10,10,15,25,30, 'red', 'green']],
 120                                                        [125,[10,15,25,35,45, 'red', 'green']],
 121                                                        [325,[10,15,25,35,45, 'yellow', 'green', 30]] // The last value is the width (in pixels)
 122                                                       ]);
 123             scatter8.Set('chart.title', 'An example of a boxplot (minimum Y value)');
 124             scatter8.Set('chart.tickmarks', null);
 125             scatter8.Set('chart.labels', ['Q1', 'Q2', 'Q3', 'Q4']);
 126             scatter8.Set('chart.xmax', 365);
 127             scatter8.Set('chart.ymax', 50);
 128             scatter8.Set('chart.ymin', 10);
 129             scatter8.Set('chart.boxplot.width', 12); // The default width
 130             scatter8.Set('chart.background.vbars', [[182.5, 91.125, 'rgba(0,255,0,0.5)']]);
 131             scatter8.Draw();
 132
 133             var scatter9 = new RGraph.Scatter('scatter9',
 134                                                           [[50,31, null, '<b>Fred</b><br />Fred is at the start'], [80,49, null, '<b>Juan</b><br />Juan is in the middle'], [280,45, null, '<b>Hoolio</b><br />Hoolio is at the end']],
 135                                                           [[25,21], [67,22], [289,35]]);
 136             scatter9.Set('chart.title', 'A stepped scatter chart (minimum Y value)');
 137             scatter9.Set('chart.labels', ['Q1', 'Q2', 'Q3', 'Q4']);
 138             scatter9.Set('chart.xmax', 365);
 139             scatter9.Set('chart.ymax', 50);
 140             scatter9.Set('chart.line', true);
 141             scatter9.Set('chart.line.stepped', [true, false]);
 142             scatter9.Set('chart.line.linewidth', [1,1]);
 143             scatter9.Set('chart.line.colors', ['red', 'blue']);
 144             scatter9.Set('chart.ticksize', 5);
 145             scatter9.Set('chart.key', ['Richard', 'Robert']);
 146             scatter9.Set('chart.key.position', 'gutter');
 147             scatter9.Set('chart.key.position.y', scatter9.canvas.height - scatter9.Get('chart.gutter') - 20);
 148             scatter9.Draw();
 149         }
 150     </script>
 151 </head>
 152 <body>
 153
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 161         }
 162
 163
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 165         {
 166             var e   = RGraph.FixEventObject(document.all ? event : e);
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 169
 170             div.style.display = 'block';
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 205     <div id="social_icons" class="warning" style="top: 0; left: 5px; position: absolute">
 206         <script>
 207             // Opera fix
 208             if (navigator.userAgent.indexOf('Opera') == -1) {
 209               document.getElementById("social_icons").style.position = 'fixed';
 210               document.getElementById("twitter_div").style.position = 'fixed';
 211
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 247     </div>
 248     <!-- /Social networking buttons -->
 249
 250
 251 <div id="breadcrumb">
 252     <a href="../index.html">RGraph: HTML5 canvas graph library</a>
 253     >
 254     <a href="./index.html">Examples</a>
 255     >
 256     Scatter graph
 257 </div>
 258
 259 <h1>RGraph: HTML5 canvas graph library - Scatter graph</h1>
 260
 261     <script>
 262         if (RGraph.isIE8()) {
 263             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>');
 264         }
 265     </script>
 266
 267     <p>
 268         The Scatter graph uses two variables to plot points and makes it clear where there are congregations. The data points
 269         make up the X and Y coordinates. The labels on the X axis are separate from the X units, allowing you to "group" them. For
 270         example, like the example, you could set the maxium X value to be 365, but only have four labels. That way you would
 271         have a granularity of a day, but the X axis would only have four labels. Like the example.
 272     </p>
 273
 274     <div>
 275         <ul>
 276             <li><a href="../docs/scatter.html">Scatter graph API documentation</a></li>
 277         </ul>
 278     </div>
 279
 280     <canvas id="scatter1" width="450" height="250">[No canvas support]</canvas>
 281     <canvas id="scatter2" width="450" height="250">[No canvas support]</canvas>
 282
 283     <a name="boxplots"></a>
 284     <table border="0" style="float: left; width: 450px">
 285         <tr>
 286             <td><canvas id="scatter8" width="450" height="250">[No canvas support]</canvas></td>
 287         </tr>
 288
 289         <tr>
 290             <td>
 291                 <div style="background-color: #eee; border: 2px dashed gray;  padding: 3px">
 292                     This is an example of a box plot. You can read about them <a href="../docs/scatter.html#boxplots">here</a>.
 293                 </div>
 294             </td>
 295         </tr>
 296     </table>
 297
 298     <canvas id="scatter9" width="450" height="250">[No canvas support]</canvas>
 299
 300
 301 </body>
 302 </html>