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<title>RGraph: HTML5 Javascript charts library - fuel charts</title>
<meta name="keywords" content="rgraph html5 canvas example fuel chart" />
<meta name="description" content="RGraph: HTML5 Javascript charts library - Fuel chart example" />
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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.effects.js" ></script>
<script src="../libraries/RGraph.fuel.js" ></script>
<!--[if IE 8]><script src="../excanvas/excanvas.original.js"></script><![endif]-->
<script>
window.onload = function ()
{
// MIN, MAX, INDICATED
var fuel1 = new RGraph.Fuel('fuel1',0,100,78);
RGraph.isIE8() ? fuel1.Draw() : RGraph.Effects.Fuel.Grow(fuel1);
var fuel2 = new RGraph.Fuel('fuel2', 50, 100, 67);
fuel2.Set('chart.needle.color', 'blue');
fuel2.Set('chart.colors', ['#ddf']);
fuel2.Set('chart.labels.empty', 'Half full\r\n(50l)');
fuel2.Set('chart.labels.full', 'Full\r\n(100l)');
fuel2.Set('chart.icon', '/images/water.jpg');
fuel2.Draw();
}
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<a href="../index.html">RGraph: HTML5 Javascript charts library</a>
>
<a href="./index.html">Examples</a>
>
Fuel Gauge
</div>
<h1>RGraph: <span>HTML5 Javascript charts library</span> - Fuel Gauge charts</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>');
}
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<div>
<p>
The Fuel Gauge is a variation on the Meter that could be incorporated into a control panel or similar. The center image,
the colors and the text can all be customised as the two examples below show. The border on the second chart is simply
a CSS border on the canvas. The fuel icon is the default icon for the chart and uses a data: URL - ie there's no
external image necessary.
</p>
<div>
<ul>
<li><a href="../docs/fuel.html">Fuel Gauge API documentation</a></li>
</ul>
</div>
<div style="text-align: center">
<canvas id="fuel1" width="200" height="200">[Please wait...]</canvas>
<canvas id="fuel2" width="200" height="200" style="background-color: white; border: 1px solid #ccc">[No canvas support]</canvas>
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