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<title>RGraph: HTML5 Javascript charts library - Adjusting your charts interactively - Radar chart</title>
<meta name="keywords" content="rgraph html5 canvas chart adjusting docs " />
<meta name="description" content="RGraph: HTML5 Javascript charts library - Documentation about adjusting your charts - Radar chart" />
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<script src="../libraries/RGraph.common.adjusting.js" ></script>
<script src="../libraries/RGraph.radar.js" ></script>
<!--[if IE 8]><script src="../excanvas/excanvas.original.js"></script><![endif]-->
<script>
window.onload = function (e)
{
var radar = new RGraph.Radar('myc', [4,3,8,6,8,7,7,4,5], [7,2,4,5,4,3,3,3,3]);
radar.Set('chart.adjustable', true);
radar.Set('chart.colors', ['rgba(255,0,0,0.5)', 'rgba(255,255,0,0.5)']);
radar.Set('chart.labels', ['Hoolio', 'Godfrey', 'Albert', 'Jeff', 'Jack', 'Pete', 'Lou', 'Barney', 'Fred']);
radar.Draw();
RGraph.AddCustomEventListener(radar, 'onadjustend', function (obj) {p(RGraph.Registry.Get('chart.adjusting.radar.myc'));});
}
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<a href="../index.html">RGraph: HTML5 Javascript charts library</a>
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<a href="index.html">Documentation</a>
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<a href="adjusting.html">Adjusting charts interactively</a>
>
Radar chart
</div>
<h1>RGraph: <span>HTML5 Javascript charts library</span> - Adjusting your charts interactively - Radar chart</h1>
<script>
if (RGraph.isIE8()) {
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 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>');
}
</script>
<canvas id="myc" width="400" height="400" style="float: left">[No canvas support]</canvas>
<p>
The Radar chart can be adjusted by dragging the points on the chart. When the <i>onadjustend</i> event fires, you will find
the following information in the RGraph registry - <i>RGraph.Registry.Get('chart.adjusting.radar.myc')</i> - where <i>myc</i>
is the ID of your canvas:
</p>
<ul>
<li>The numerical, zero indexed number that corresponds to the dataset</li>
<li>The numerical, zero indexed point that relates to the original data array</li>
<li>This is a boolean and used to indicate which (horizontal) half of the chart the point is in. true - the right half, false - the left half</li>
<li>This is a boolean and used to indicate which (vertical) half of the chart the point is in. true - the bottom half, false - the top half</li>
</ul>
<br clear="all" />
<pre class="code">
<script>
window.onload = function (e)
{
var radar = new RGraph.Radar('myc', [4,3,8,6,8,7,7,4,5], [7,2,4,5,4,3,3,3,3]);
radar.Set('chart.adjustable', true);
radar.Set('chart.colors', ['rgba(255,0,0,0.5)', 'rgba(255,255,0,0.5)']);
radar.Set('chart.labels', ['Hoolio', 'Godfrey', 'Albert', 'Jeff', 'Jack', 'Pete', 'Lou', 'Barney', 'Fred']);
radar.Draw();
RGraph.AddCustomEventListener(radar, 'onadjustend', function (obj) {p(RGraph.Registry.Get('chart.adjusting.radar.myc'));});
}
</script>
</pre>
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