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    <title>A basic example of a CSV/AJAX</title>
    
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    <script src="../libraries/RGraph.common.core.js" ></script>
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    <h1>A basic example of AJAX and CSV data</h1>
    
    <p>
        This is a basic example of using CSV and AJAX. AJAX is used to request the data and it is returned in CSV format. The JSON
        data is then evaluated and a chart created using it.
    </p>

    <canvas id="cvs" width="600" height="250">[No canvas support]</canvas>

    <script>
        /**
        * Ths window.onload function initiates the AJAX request. The AJAX page is: http://www.rgraph.net/getdata.html
        * If you view this in your browser you'll see that all it does is output a sequence of numbers.
        */
        window.onload = function ()
        {
            RGraph.AJAX.getCSV('/getdata.html', drawGraph);
        };



        /**
        * This is the AJAX callback function. The AJAX getCSV() converts the strings to numbers for you.
        */
        function drawGraph (csv)
        {
            // Now draw the chart
            var line = new RGraph.Line({
                id: 'cvs',
                data: csv,
                options: {
                    textAccessible: true,
                    hmargin: 0,
                    linewidth: 2,
                    ymax: 100,
                    numxticks: 9,
                    gutterLeft: 35,
                    labels: ['Gary','Rachel','Neil','Martha','Kevin','Craig','John','Peter','Luis','Bert']
                }
            }).draw()
        }
    </script>
    
    <p>
        <b>Note:</b>
        In October 2013 a new CSV reader was added to RGraph. It makes reading CSV files much easier. You can read about
        <a href="http://www.rgraph.net/docs/csv-file-reader.html">the new CSV reader</a> here.
    </p>







    <p></p>

    This goes in the documents header:
    <pre class="code">
&lt;script src="RGraph.common.core.js"&gt;&lt;/script&gt;
&lt;script src="RGraph.line.js"&gt;&lt;/script&gt;
</pre>
    
    Put this where you want the chart to show up:
    <pre class="code">
&lt;canvas id="cvs" width="600" height="250"&gt;
    [No canvas support]
&lt;/canvas&gt;
</pre>

    This is the code that generates the chart:
    <pre class="code">
&lt;script&gt;
    <span>/**
    * Ths window.onload function initiates the AJAX request. The AJAX page is: http://www.rgraph.net/getdata.html
    * If you view this in your browser you'll see that all it does is output a sequence of numbers.
    */</span>
    window.onload = function ()
    {
        RGraph.AJAX.getCSV('/getdata.html', drawGraph);
    };



    <span>/**
    * This is the AJAX callback function. The AJAX getCSV() converts the strings to numbers for you.
    */</span>
    function drawGraph (csv)
    {
        <span>// Now draw the chart</span>
        var line = new RGraph.Line({
            id: 'cvs',
            data: csv,
            options: {
                textAccessible: true,
                hmargin: 0,
                linewidth: 2,
                ymax: 100,
                numxticks: 9,
                    gutterLeft: 35,
                labels: ['Gary','Rachel','Neil','Martha','Kevin','Craig','John','Peter','Luis','Bert']
            }
        }).draw()
    }
&lt;/script&gt;
</pre>


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