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<title>Donut charts documentation</title>
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Donut charts
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<h1>Donut <span>charts documentation</span></h1>
<script>
if (RGraph.isOld()) {
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>');
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<p>
Donut charts were formerly separate charts, however it's now simply a variant of the Pie chart.
</p>
<h2>Example</h2>
<pre class="code">
<script>
window.onload = function ()
{
<span class="javascript-comment">// The data to be shown on the Donut chart</span>
var data = [45,57,48,32];
<span class="javascript-comment">// Create the Donut chart (which is really a Pie chart).</span>
var donut = new RGraph.Pie('myDonut', data);
<span class="javascript-comment">// Configure the Donut chart to look as wanted.</span>
donut.Set('chart.labels', ['Jan', 'Ben', 'Mark', 'Lucy']);
donut.Set('chart.linewidth', 5);
donut.Set('chart.strokestyle', 'white');
donut.Set('chart.tooltips', ['Jan', 'Ben', 'Mark', 'Lucy']);
<span class="javascript-comment">// Specify the variant, which turns the Pie chart into a Donut chart.</span>
donut.Set('chart.variant', 'donut');
<span class="javascript-comment">// Call the .Draw() method to draw the Donut chart</span>
donut.Draw();
}
</script>
</pre>
<ul>
<li><a href="../examples/donut.html">Donut chart examples</a></li>
<li><a href="pie.html">Pie chart documentation</a></li>
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