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test_chart2d_updating.html
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<html>
<head>
<title>Chart 2D</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<style type="text/css">
@import "../../../dojo/resources/dojo.css";
@import "../../../dijit/tests/css/dijitTests.css";
</style>
<!--
The next line should include Microsoft's Silverligth.js, if you plan to use the silverlight backend
<script type="text/javascript" src="Silverlight.js"></script>
-->
<script type="text/javascript" src="../../../dojo/dojo.js" djConfig="isDebug: true"></script>
<script type="text/javascript" src="../../lang/functional.js"></script>
<script type="text/javascript" src="../Theme.js"></script>
<script type="text/javascript" src="../scaler.js"></script>
<script type="text/javascript" src="../Chart2D.js"></script>
<script type="text/javascript">
dojo.require("dojox.charting.Chart2D");
dojo.require("dojox.charting.themes.PlotKit.orange");
var chart, limit = 10, magnitude = 30;
var randomValue = function(){
return Math.random() * magnitude;
};
var makeSeries = function(len){
var s = [];
do{
s.push(randomValue());
}while(s.length < len);
return s;
};
var seriesA = makeSeries(limit),
seriesB = makeSeries(limit),
seriesC = makeSeries(limit);
var makeObjects = function(){
chart = new dojox.charting.Chart2D("test");
chart.setTheme(dojox.charting.themes.PlotKit.orange);
chart.addAxis("x", {fixLower: "minor", natural: true, min: 1, max: limit});
chart.addAxis("y", {vertical: true, min: 0, max: 30, majorTickStep: 5, minorTickStep: 1});
chart.addPlot("default", {type: "Areas"});
chart.addSeries("Series A", seriesA);
chart.addSeries("Series B", seriesB);
chart.addSeries("Series C", seriesC);
chart.addPlot("grid", {type: "Grid", hMinorLines: true});
chart.render();
setInterval("updateTest()", 200);
};
var updateTest = function(){
seriesA.shift();
seriesA.push(randomValue());
chart.updateSeries("Series A", seriesA);
seriesB.shift();
seriesB.push(randomValue());
chart.updateSeries("Series B", seriesB);
seriesC.shift();
seriesC.push(randomValue());
chart.updateSeries("Series C", seriesC);
chart.render();
};
dojo.addOnLoad(makeObjects);
</script>
</head>
<body>
<h1>Chart 2D Updating Data</h1>
<p>Areas, orange theme, axes, grid. Very crude example to show a chart with updating values.</p>
<div id="test" style="width: 400px; height: 400px;"></div>
</body>
</html>

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