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<script type="text/javascript" src="../libraries/RGraph.common.core.js" ></script>
<script type="text/javascript" src="../libraries/RGraph.common.csv.js" ></script>
<script type="text/javascript" src="../libraries/RGraph.rscatter.js" ></script>
<title>An RScatter chart using the CSV reader</title>
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<meta name="description" content="An RScatter chart using the CSV reader" />
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<h1>A RScatter chart using the CSV reader</h1>
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<b>Note:</b>
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</div>
<canvas id="cvs" width="500" height="450">[No canvas support]</canvas>
<script>
window.onload = function ()
{
RGraph.CSV('/sample.csv', function (csv)
{
// Just fetch the two rows of the CSV file, starting at the second column
var row1 = csv.getRow(0, 1); // First row
var row2 = csv.getRow(1, 1); // Second row
var data = [];
/**
* Now make up some sample points using the data
*/
for (var i=0; i<row1.length; i+=1) {
data.push( [(row1[i] / 10) * 360, row2[i]]);
}
var rscatter = new RGraph.RScatter({
id: 'cvs',
data: data,
options: {
labelsAxes: 'n',
textAccessible: true
}
}).draw()
})
};
</script>
<p></p>
This goes in the documents header:
<pre class="code">
<script src="RGraph.common.core.js"></script>
<script src="RGraph.common.csv.js"></script>
<script src="RGraph.rscatter.js"></script>
</pre>
Put this where you want the chart to show up:
<pre class="code">
<canvas id="cvs" width="500" height="450">
[No canvas support]
</canvas>
</pre>
This is the code that generates the chart:
<pre class="code">
<script>
window.onload = function ()
{
RGraph.CSV('/sample.csv', function (csv)
{
<span>// Just fetch the two rows of the CSV file, starting at the second column</span>
var row1 = csv.getRow(0, 1); <span>// First row</span>
var row2 = csv.getRow(1, 1); <span>// Second row</span>
var data = [];
<span>/**
* Now make up some sample points using the data
*/</span>
for (var i=0; i<row1.length; i+=1) {
data.push( [(row1[i] / 10) * 360, row2[i]]);
}
var rscatter = new RGraph.RScatter({
id: 'cvs',
data: data,
options: {
labelsAxes: 'n',
textAccessible: true
}
}).draw();
});
};
</script>
</pre>
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