/home/mip/public_html/template/AdminLTE/plugins/RGraph/demos/gauge-adjustable.html
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    <script src="../libraries/RGraph.common.core.js" ></script>
    <script src="../libraries/RGraph.common.dynamic.js" ></script>
    <script src="../libraries/RGraph.common.effects.js" ></script>
    <script src="../libraries/RGraph.gauge.js" ></script>
    
    <title>A customised and adjustable Gauge chart</title>
    
    
    <meta name="robots" content="noindex,nofollow" />
    <meta name="description" content="A customised Gauge chart which can be adjusted" />
     
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<body>

    <h1>A customised and adjustable Gauge chart</h1>

    <canvas id="cvs" width="250" height="250" style="background-color: black; border-radius: 125px; box-shadow: 0 0 25px gray; border: 5px solid #ddd">[No canvas support]</canvas>
    
    <script>
        window.onload = function ()
        {
            var gauge = new RGraph.Gauge({
                id: 'cvs',
                min: 0,
                max: 10,
                value: 7,
                options: {
                    anglesStart: RGraph.PI - (RGraph.PI / 8),
                    anglesEnd: RGraph.TWOPI + (RGraph.PI / 8),
                    shadow: false,
                    textColor: 'white',
                    tickmarksBigColor: 'white',
                    tickmarksMediumColor: 'white',
                    tickmarksSmallColor: 'white',
                    colorsRanges: [],
                    backgroundColor: 'black',
                    borderInner: 'black',
                    borderOuter: 'black',
                    borderOutline: 'black',
                    needleColors: ['red'],
                    needleType: 'line',
                    needleTail: true,
                    needleWidth: 7,
                    centerpinRadius: 0.1,
                    titleTop: 'Speed',
                    titleTopColor: 'white',
                    labelsCentered: true,
                    labelsOffset: 7,
                    textAccessible: true
                }
            }).on('draw', function (obj)
            {
                // This circle becomes the border of the centerpin
                RGraph.path2(obj.context, ['b','a',obj.centerx, obj.centery, 10, 0, RGraph.TWOPI, false,'f','#aaa']);
            }).draw();
            
            //
            // Add a click handler to the canvas to enable adjusting
            //
            gauge.canvas.onclick = function (e)
            {
                var ca  = e.target;
                var obj = ca.__object__;

                var value = obj.getValue(e);
                obj.value = value;
                obj.grow();
            }
        };
    </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.common.dynamic.js"&gt;&lt;/script&gt;
&lt;script src="RGraph.common.effects.js"&gt;&lt;/script&gt;
&lt;script src="RGraph.gauge.js"&gt;&lt;/script&gt;
</pre>
    
    Put this where you want the chart to show up:
    <pre class="code">
&lt;canvas id="cvs" width="250" height="250" style="background-color: black; border-radius: 125px; box-shadow: 0 0 25px gray; border: 5px solid #ddd"&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 gauge = new RGraph.Gauge({
            id: 'cvs',
            min: 0,
            max: 10,
            value: 7,
            options: {
                anglesStart: RGraph.PI - (RGraph.PI / 8),
                anglesEnd: RGraph.TWOPI + (RGraph.PI / 8),
                shadow: false,
                textColor: 'white',
                tickmarksBigColor: 'white',
                tickmarksMediumColor: 'white',
                tickmarksSmallColor: 'white',
                colorsRanges: [],
                backgroundColor: 'black',
                borderInner: 'black',
                borderOuter: 'black',
                borderOutline: 'black',
                needleColors: ['red'],
                needleType: 'line',
                needleTail: true,
                centerpinRadius: 0.1,
                titleTop: 'Speed',
                titleTopColor: 'white',
                labelsCentered: true,
                labelsOffset: 7,
                textAccessible: true
            }
        }).on('draw', function (obj)
        {
            <span>// This circle becomes the border of the centerpin</span>
            RGraph.path2(obj.context, ['b','a',obj.centerx, obj.centery, 10, 0, RGraph.TWOPI, false,'f','#aaa']);
        }).draw();
        
        <span>//
        // Add a click handler to the canvas to enable adjusting
        //</span>
        gauge.canvas.onclick = function (e)
        {
            var ca  = e.target;
            var obj = ca.__object__;

            var value = obj.getValue(e);
            obj.value = value;
            obj.grow();
        }
    };
&lt;/script&gt;
</pre>



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