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<title>RGraph: HTML5 Javascript charts library - line charts</title>
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<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.4/jquery.min.js" ></script>
<script>
window.onload = function ()
{
var line1 = new RGraph.Line('line1', [56,45,43,52,56,65,21,23,34,15,21,-12,-13,-31,-25], [35,43,41,41,42,46,42,39,46,41,45,65,54,54,41,41]);
line1.Set('chart.background.grid', true);
line1.Set('chart.linewidth', 5);
line1.Set('chart.gutter.left', 35);
line1.Set('chart.hmargin', 5);
if (RGraph.isIE9up()) {
line1.Set('chart.shadow', true);
}
line1.Set('chart.tickmarks', null);
line1.Set('chart.units.post', 'k');
line1.Set('chart.xticks', 8);
line1.Set('chart.colors', ['red', 'green']);
line1.Set('chart.key', ['Sales (not good)','Costs (reasonably consistent)']);
line1.Set('chart.key.shadow', true);
line1.Set('chart.key.shadow.offsetx', 0);
line1.Set('chart.key.shadow.offsety', 0);
line1.Set('chart.key.shadow.blur', 15);
line1.Set('chart.key.shadow.color', '#ddd');
line1.Set('chart.key.rounded', true);
line1.Set('chart.key.position', 'graph');
line1.Set('chart.key.position.x', line1.Get('chart.gutter.left') + 4);
line1.Set('chart.key.position.y', (line1.canvas.height / 2) + 5);
line1.Set('chart.xaxispos', 'center');
line1.Set('chart.background.grid.autofit', true);
line1.Set('chart.background.grid.autofit.numhlines', 10);
line1.Set('chart.title', 'Sales last year');
line1.Set('chart.curvy', true);
line1.Set('chart.curvy.factor', 0.25);
line1.Set('chart.animation.unfold.x', true);
line1.Set('chart.animation.unfold.y',true);
line1.Set('chart.animation.unfold.initial',0); // Default is 2
RGraph.Effects.Line.Unfold(line1);
var line2 = new RGraph.Line('line2', [6,5,4,5,6,4,1,2,3], [7,8,9,9,8,7,8,7,6]);
line2.Set('chart.labels', ['13th','14th','15th','16th','15th','16th','17th','18th','19th']);
line2.Set('chart.title', 'Range of fuel consumption');
line2.Set('chart.title.vpos', 0.5);
line2.Set('chart.background.grid.autofit.align', true);
line2.Set('chart.filled', true);
line2.Set('chart.filled.range', true);
line2.Set('chart.fillstyle', 'rgba(128,255,128,0.5)');
line2.Set('chart.linewidth', 2);
line2.Set('chart.colors', ['green']);
line2.Set('chart.hmargin', 5);
line2.Set('chart.gutter.left', 50);
//line2.Draw();
RGraph.Effects.Line.jQuery.Trace(line2);
}
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<a href="../index.html">RGraph: HTML5 Javascript charts library</a>
>
<a href="./index.html">Examples</a>
>
Line chart
</div>
<h1>RGraph: <span>HTML5 Javascript charts library</span> - Line 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>');
}
</script>
<div>
<p>
Like Bar charts, Line charts are some of the most versatile chart types. It is similar, but can indicate chronological
data better. Line charts are good if, for example, you want to illustrate sales figures over a year (or any period of
time). You'll then be able to easily see whether sales are going up, down or are stagnant. It will also become apparent
which months are busier than others. By using a multiple line chart you can add multiple sets of data (eg two or more years
of figures) to your chart. You can customise the line chart by stipulating it as being filled, having drop shadows, keys,
having the X axis in the centre, different colors, different tickmark styles and tooltips etc.
</p>
<div>
<ul>
<li><a href="../docs/line.html">Line charts API documentation</a></li>
</ul>
</div>
<div>
<canvas id="line1" width="475" height="250">[Please wait...]</canvas>
<canvas id="line2" width="475" height="250">[Please wait...]</canvas>
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