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RGraph 官方图表示例(十八)径向散点图

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发表于 2012-8-10 10:43:40 | 显示全部楼层 |阅读模式
这是RGraph 官方的径向散点图示例   
效果如下:  


代码如下:
  1. <%@ include file="/common/tags.jsp"%>
  2. <%@ page contentType="text/html; charset=utf-8"%>
  3. <!DOCTYPE html>
  4. <html>
  5.     <head>
  6.         <title>RGraph: An example of the Radial Scatter chart</title>
  7.         <meta name="keywords" content="rgraph html5 canvas example radial scatter chart" />
  8.         <meta name="description" content="An example of the type of Radial Scatter chart that RGraph can produce" />
  9.         <meta name="googlebot" content="NOODP">
  10.         <meta property="og:title" content="RGraph: HTML5 Javascript charts library" />
  11.         <meta property="og:description" content="A charts library based on the HTML5 canvas tag" />
  12.         <meta property="og:image" content="http://www.rgraph.net/images/logo.png"/>
  13.         <link rel="stylesheet" href="${ctx}/script/html5/rgraph/css/website.css" type="text/css" media="screen" />
  14.         <link rel="icon" type="image/png" href="${ctx}/script/html5/rgraph/images/favicon.png">
  15.         <!-- Place this tag in your head or just before your close body tag -->
  16.         <script type="text/javascript" src="https://apis.google.com/js/plusone.js"></script>
  17.         <script src="${ctx}/script/html5/rgraph/libraries/RGraph.common.core.js" ></script>
  18.         <script src="${ctx}/script/html5/rgraph/libraries/RGraph.common.tooltips.js" ></script>
  19.         <script src="${ctx}/script/html5/rgraph/libraries/RGraph.common.dynamic.js" ></script>
  20.         <script src="${ctx}/script/html5/rgraph/libraries/RGraph.rscatter.js" ></script>
  21.             <!--[if lt IE 9]><script src="${ctx}/script/html5/rgraph/excanvas/excanvas.original.js"></script><![endif]-->
  22.         <script>
  23.             $(function(){
  24.                 _createChart();
  25.             });
  26.             /**
  27.              * 径向散点图
  28.              */
  29.             function _createChart(){
  30.                 // Create the data
  31.                 var data = [];
  32.                 for (var i=0; i<75; i++) {
  33.                     data.push([RGraph.random(0, 360), i * RGraph.random(0, 10), null, 'id:mydiv']);
  34.                 }
  35.                 var rscatter1 = new RGraph.Rscatter('cvs', data);
  36.                 rscatter1.Set('chart.labels.axes', 'n');
  37.                 rscatter1.Set('chart.labels.position', 'edge');
  38.                 rscatter1.Set('chart.labels', ['NE', 'E', 'SE', 'S', 'SW', 'W', 'NW', '']);
  39.                 rscatter1.Set('chart.tickmarks', 'plus');
  40.                 rscatter1.Set('chart.tooltips.effect', 'contract');
  41.                 rscatter1.Set('chart.title', 'Direction and magnitude');
  42.                 rscatter1.Set('chart.title.color', 'black');
  43.                 rscatter1.Set('chart.title.vpos', 0.3);
  44.                 rscatter1.Draw();
  45.             }
  46.         </script>
  47.     </head>
  48.     <body>
  49.         <script>
  50.             if (RGraph.isOld()) {
  51.                 document.write('<div style="background-color: #fee; border: 2px dashed red; padding: 5px"><b>Important</b><br /><br /> Internet Explorer does not natively support the HTML5 canvas tag, so if you want to see the charts, 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.</div>');
  52.             }
  53.         </script>
  54.         <div style="text-align: center">
  55.             <canvas id="cvs" width="350" height="350">[No canvas support]</canvas>
  56.         </div>
  57.     </body>
  58. </html>
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