/home/mip/mip/public/template/AdminLTE/plugins/RGraph/demos/line-range-spline.html
<!DOCTYPE html >
<html>
<head>
    <script src="../libraries/RGraph.common.core.js" ></script>
    <script src="../libraries/RGraph.line.js" ></script>
    
    <title>A spline range Line chart</title>
    
    <link rel="stylesheet" href="demos.css" type="text/css" media="screen" />
    
    <meta name="robots" content="noindex,nofollow" />
    <meta name="description" content="A spline range chart (ie a range chart that's curvy)" />
</head>
<body>

    <h1>A spline range Line chart</h1>
    
    <p>
        This range chart is a little different from the others as the datasets are organised a little differently. The first dataset
        that you give to the Line chart becomes the bottom dataset and is an absolute set of values - in the example here the first
        number is 4.
    </p>
    
    <p>
        The second dataset, which is the top line, is additive/accumulative. In this case the first point of the second dataset is 1. So
        added to the first point of the first dataset (which was 4) you get a total of 5 - which is the figure that is shown on the
        chart.
    </p>
    
    <p>
        The reason for this is because the spline range chart is really a stacked spline chart - but with the bottom dataset using
        transparent as its color - so you can't see it.
    </p>
    
    <p>
        This is shown below by gradually changing the color of the "bottom" dataset from blue to transparent.
    </p>

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


    <script>
        window.onload = function ()
        {
            var opacity = 1;
           
            var line = new RGraph.Line({
                id: 'cvs',
                data: [
                    [4,6,16,15,13,14,18,15,18,16],
                    [1,1,1,2,3,5,9,9,6,3]
                ],
                options: {
                    spline: true,
                    filled: true,
                    colors: ['red'],
                    shadow: false,
                    fillstyle: ['rgba(0,0,255,1)','#fdd'],
                    labels: ['a','b','c','d','e','f','g','h','i','j'],
                    numxticks: 9,
                    tickmarks: null,
                    gutterBottom: 35,
                    textSize:14,
                    backgroundGridVlines: false,
                    backgroundGridBorder: false,
                    noxaxis: true,
                    textAccessible: true
                }
            }).draw();


            for (var i=100; i>=0; i-=1) {
                (function (idx)
                {
                    var opacity = i * 0.01;
                    setTimeout(function () {line.set('fillstyle', ['rgba(0,0,255,' + opacity + ')','#fdd']); RGraph.redraw();}, (10 - idx) * 20);
                })(i);
            }
        };
    </script>







    <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;
    window.onload = function ()
    {
        var opacity = 1;
       
        var line = new RGraph.Line({
            id: 'cvs',
            data: [
                [4,6,16,15,13,14,18,15,18,16],
                [1,1,1,2,3,5,9,9,6,3]
            ],
            options: {
                spline: true,
                filled: true,
                colors: ['red'],
                shadow: false,
                fillstyle: ['rgba(0,0,255,1)','#fdd'],
                labels: ['a','b','c','d','e','f','g','h','i','j'],
                numxticks: 9,
                tickmarks: null,
                gutterBottom: 35,
                textSize:14,
                backgroundGridVlines: false,
                backgroundGridBorder: false,
                noxaxis: true,
                textAccessible: true
            }
        }).draw();


        for (var i=100; i>=0; i-=1) {
            (function (idx)
            {
                var opacity = i * 0.01;
                setTimeout(function () {line.set('fillstyle', ['rgba(0,0,255,' + opacity + ')','#fdd']); RGraph.redraw();}, (10 - idx) * 20);
            })(i);
        }
    };
&lt;/script&gt;
</pre>



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