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<title>Line charts</title>
<meta name="keywords" content="rgraph html5 canvas example line chart" />
<meta name="description" content="Line chart example" />
<meta property="og:title" content="RGraph: HTML5 Javascript charts library" />
<meta property="og:description" content="A charts library based on the HTML5 canvas tag" />
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window.onload = function ()
{
var line1 = new RGraph.Line('line1', [56,45,43,52,56,65,21,23,34,15,21,12], [35,43,41,41,42,46,42,39,46,41,45,65,54]);
line1.Set('chart.background.grid', true);
line1.Set('chart.linewidth', 5);
line1.Set('chart.gutter.left', 35);
line1.Set('chart.hmargin', 5);
if (!document.all || RGraph.isIE9up()) {
line1.Set('chart.shadow', true);
}
line1.Set('chart.tickmarks', null);
line1.Set('chart.units.post', 'k');
line1.Set('chart.colors', ['red', 'green']);
line1.Set('chart.background.grid.autofit', true);
line1.Set('chart.background.grid.autofit.numhlines', 10);
line1.Set('chart.curvy', true);
line1.Set('chart.curvy.factor', 0.5); // This is the default
line1.Set('chart.animation.unfold.initial',0);
line1.Set('chart.labels',['Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec']);
line1.Set('chart.title','The Trace effect');
if (RGraph.isOld()) {
line1.Draw();
} else {
RGraph.Effects.Line.jQuery.Trace(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);
RGraph.isOld() ? line2.Draw() : RGraph.Effects.Line.jQuery.Trace(line2);
var line3 = new RGraph.Line('line3', [12,23,25,26,28,48,45,46,70], [31,20,48,46,41,52,54,58,34]);
line3.Set('chart.linewidth', 7);
line3.Set('chart.filled', true);
line3.Set('chart.fillstyle', ['rgba(255,0,0,1)', 'rgba(255,255,0,1)']);
line3.Set('chart.colors', ['black','black']);
line3.Set('chart.units.post', '%');
line3.Set('chart.gutter.left', 55);
line3.Set('chart.gutter.right', 15);
line3.Set('chart.labels', ['Hoolio', 'Gary', 'Fliss', 'Nevil', 'Jobe', 'Pete', 'Lou', 'John', 'Fred']);
line3.Set('chart.key', ['Year 1 (1999)', 'Year 2 (2009)']);
line3.Set('chart.key.colors', line3.Get('chart.fillstyle'));
line3.Set('chart.key.position', 'gutter');
line3.Set('chart.key.position.gutter.boxed', false);
line3.Draw();
var line4 = new RGraph.Line('line4', [6,3,5,8,9,5,7,4,8,6,2]);
line4.Set('chart.yaxispos', 'right');
line4.Set('chart.hmargin', 15);
line4.Set('chart.tickmarks', 'endcircle');
line4.Set('chart.labels', ['Alex','\r\nGary','Hoolio','\r\nBenny','Olga','\r\nRachel','June','\r\nShappy','Lou','\r\nPete','Kevin']);
line4.Set('chart.linewidth', 3);
line4.Set('chart.shadow', true);
line4.Set('chart.gutter.top', 5);
line4.Set('chart.gutter.bottom', 45);
line4.Draw();
var line5 = new RGraph.Line('line5', [15,40,16,44,51,12,19], [35,20,34,16,12,34,16], [24,25,13,21,27,24,15], [26,15,37,19,10,30,50]);
line5.Set('chart.colors', ['red','green','blue','black']);
line5.Set('chart.fillstyle', ['rgba(255,0,0,0.3)','rgba(0,255,0,0.3)','rgba(0,0,255,0.3)','rgba(188,188,188,0.3)']);
line5.Set('chart.title', 'A Line chart showing percentages');
line5.Set('chart.key', ['Fred','Bob','Jeremy','Louise']);
line5.Set('chart.gutter.right', 80);
line5.Set('chart.gutter.left', 40);
line5.Set('chart.key.position.x', line5.canvas.width - line5.Get('chart.gutter.right'));
line5.Set('chart.key.position.y', line5.Get('chart.gutter.top') + 60);
line5.Set('chart.key.linewidth', 0.001);
line5.Set('chart.key.background', 'rgba(0,0,0,0)');
line5.Set('chart.key.colors', line5.Get('chart.colors'));
line5.Set('chart.linewidth', 5);
line5.Set('chart.filled', true);
line5.Set('chart.units.post', '%');
line5.Set('chart.labels', ['Monday','Tuesday','Wednesday','Thursday','Friday','Saturday','Sunday']);
RGraph.isOld() ? line5.Draw() : RGraph.Effects.Line.jQuery.Trace(line5);
}
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<div id="breadcrumb">
<a href="../index.html">RGraph: HTML5 Javascript charts library</a>
>
<a href="./index.html">Examples</a>
>
Line chart
</div>
<h1>Line <span>charts</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>');
}
</script>
<div>
<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>
<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>
</div>
<div>
<canvas id="line3" width="475" height="250">[Please wait...]</canvas>
<canvas id="line4" width="475" height="250">[Please wait...]</canvas>
</div>
<div>
<canvas id="line5" width="475" height="250">[Please wait...]</canvas>
</div>
</div>
</body>
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