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<title>In-graph labels</title>
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<a href="../index.html">RGraph: HTML5 Javascript charts library</a>
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<a href="./index.html">Documentation</a>
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In-graph labels
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<h1>In-graph <span>labels</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>
This page shows the various options for in-graph labels. The in-graph labels can be set like this:
</p>
<pre class="code">obj.Set('chart.labels.ingraph', [,,'Hoolio',,'Olga']);</pre>
<p>
Or like this if you want to be more specific:
</p>
<pre class="code">obj.Set('chart.labels.ingraph', [,,<span style="color: green">['Hoolio', 'red', 'yellow', -1, 60]</span>,,'Olga']);</pre>
<p>
The array can consist of:
</p>
<ul>
<li>The label text</li>
<li>The text color</li>
<li>The background color</li>
<li>This can be 1 or -1 and denotes whether the label should be above or below the line. This has no effect in Bar or Scatter charts</li>
<li>The length of the label pointer/arrow</li>
</ul>
<h4>Example line chart</h4>
<canvas id="line" width="600" height="250">[No canvas support]</canvas>
<script>
myGraph = new RGraph.Line('line', [4,5,6,3,2,5,6,4,2,4,1]);
myGraph.Set('chart.title', 'Line chart with in-graph labels');
myGraph.Set('chart.labels', ['Jim','Gail','Hoolio','Kev','Olga','Jimmy','Paul','Jake','John','Fred', 'Jobe']);
myGraph.Set('chart.labels.ingraph', [,,['Hoolio', 'red', 'yellow', -1, 60],,'Olga']);
myGraph.Draw();
</script>
<h4>Example bar chart</h4>
<canvas id="bar" width="600" height="250">[No canvas support]</canvas>
<script>
myGraph = new RGraph.Bar('bar', [4,5,6,3,2,5,6,4,2,4,1]);
myGraph.Set('chart.colors', ['#fcc']);
myGraph.Set('chart.title', 'Bar chart with in-graph labels');
myGraph.Set('chart.labels', ['Jim','Gail','Hoolio','Kev','Olga','Jimmy','Paul','Jake','John','Fred', 'Jobe']);
myGraph.Set('chart.labels.ingraph', [,,['Hoolio', 'red', 'yellow', -1, 60],,'Olga']);
myGraph.Draw();
</script>
<canvas id="scatter" width="600" height="250">[No canvas support]</canvas>
<script>
myGraph = new RGraph.Scatter('scatter', [[5,15],[24,30],[27,3],[23, 5]], [[4,12]]);
myGraph.Set('chart.title', 'Scatter chart with in-graph labels');
myGraph.Set('chart.labels', ['W1','W2','W3','W4']);
myGraph.Set('chart.labels.ingraph', [null,null,['Hoolio', 'red', 'yellow', -1, 60],'Olga','Fred']);
myGraph.Set('chart.xmax', 31);
myGraph.Draw();
</script>
<h4>Example bar chart (arrow variant)</h4>
<canvas id="bar1" width="600" height="250">[No canvas support]</canvas>
<script>
myGraph = new RGraph.Bar('bar1', [4,5,6,3,2,5,6,4,2,4,1]);
myGraph.Set('chart.colors', ['#fcc']);
myGraph.Set('chart.title', 'Bar chart with in-graph labels (arrow variant)');
myGraph.Set('chart.labels', ['Jim','Gail','Hoolio','Kev','Olga','Jimmy','Paul','Jake','John','Fred', 'Jobe']);
myGraph.Set('chart.variant', 'arrow');
myGraph.Set('chart.labels.ingraph', [,,['Hoolio', 'red', 'yellow', -1, 60],,'Olga']);
myGraph.Draw();
</script>
<h4>Example bar chart (dot variant)</h4>
<canvas id="bar2" width="600" height="250">[No canvas support]</canvas>
<script>
myGraph = new RGraph.Bar('bar2', [4,5,6,3,2,5,6,4,2,4,1]);
myGraph.Set('chart.colors', ['#fcc']);
myGraph.Set('chart.title', 'Bar chart with in-graph labels (dot variant)');
myGraph.Set('chart.labels', ['Jim','Gail','Hoolio','Kev','Olga','Jimmy','Paul','Jake','John','Fred', 'Jobe']);
myGraph.Set('chart.labels.ingraph', [6,['Foo', 'red', 'yellow', null, 75],3,'Bar']);
myGraph.Set('chart.variant', 'dot');
myGraph.Set('chart.labels.ingraph', [,,['Hoolio', 'red', 'yellow', -1, 60],,'Olga']);
myGraph.Draw();
</script>
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