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<title>RGraph: HTML5 Javascript charts library - Adjusting your charts interactively - bar chart</title>
<meta name="keywords" content="rgraph html5 canvas charts adjusting docs " />
<meta name="description" content="RGraph: HTML5 Javascript charts library - Documentation about adjusting your charts - bar chart" />
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<meta property="og:description" content="A charts library based on the HTML5 canvas tag" />
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<script src="../libraries/RGraph.common.core.js" ></script>
<script src="../libraries/RGraph.common.adjusting.js" ></script>
<script src="../libraries/RGraph.bar.js" ></script>
<!--[if IE 8]><script src="../excanvas/excanvas.original.js"></script><![endif]-->
<script>
window.onload = function (e)
{
var bar = new RGraph.Bar('myCanvas', [512,653,512,533,674,453,458,741,496]);
bar.Set('chart.colors', ['blue', 'pink']);
bar.Set('chart.labels.above', true);
bar.Set('chart.shadow', true);
bar.Set('chart.shadow.color', '#aaa');
bar.Set('chart.strokestyle', 'rgba(0,0,0,0)');
bar.Set('chart.adjustable', true);
bar.Set('chart.labels', ['2000', '2001', '2002', '2003', '2004', '2005', '2006', '2007', '2008']);
bar.Set('chart.gutter.left', 45);
bar.Set('chart.title', 'An adjustable bar chart');
bar.Draw();
function myFunc (obj)
{
var conf = RGraph.Registry.Get('chart.adjusting.bar.myCanvas');
p(conf);
}
RGraph.AddCustomEventListener(bar, 'onadjustend', myFunc);
}
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<a href="../index.html">RGraph: HTML5 Javascript charts library</a>
>
<a href="index.html">Documentation</a>
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<a href="adjusting.html">Adjusting charts interactively</a>
>
Bar chart
</div>
<h1>RGraph: <span>HTML5 Javascript charts library</span> - Adjusting your charts interactively - Bar 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>
<p>
The Bar chart can be adjusted by clicking on the chart, in line with the bar that you want to adjust.When adjusting is finished
the <i>onadjustend</i> event fires. As you will see in the example you can find the index of the relevant bar in the RGraph registry -
<i>RGraph.Registry.Get('chart.adjusting.bar.myCanvas')</i> (replace <i>myCanvas</i> with the ID of your canvas).
</p>
<canvas id="myCanvas" width="1000" height="250">[No canvas support]</canvas>
<pre class="code">
<script>
window.onload = function (e)
{
var bar = new RGraph.Bar('myCanvas', [512,653,512,533,674,453,458,741,496]);
bar.Set('chart.colors', ['blue', 'pink']);
bar.Set('chart.labels.above', true);
bar.Set('chart.shadow', true);
bar.Set('chart.shadow.color', '#aaa');
bar.Set('chart.strokestyle', 'rgba(0,0,0,0)');
bar.Set('chart.adjustable', true);
bar.Set('chart.labels', ['2000', '2001', '2002', '2003', '2004', '2005', '2006', '2007', '2008']);
bar.Draw();
function myFunc (obj)
{
var conf = RGraph.Registry.Get('chart.adjusting.bar.myCanvas');
p(conf);
}
RGraph.AddCustomEventListener(bar, 'onadjustend', myFunc);
}
</script>
</pre>
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