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<title>A Pie chart using gradients as colors</title>
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<meta name="description" content="A Pie chart that uses Gradients as colours" />
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<h1>A Pie chart using gradients as colors</h1>
<p>
Using gradients to achieve a bevel effect
</p>
<canvas id="cvs" width="400" height="300">[No canvas support]</canvas>
<script>
window.onload = function ()
{
function createGradient (obj, color)
{
return RGraph.radialGradient(
obj,
200, 150, 95, 200, 150, 125,
color, 'black'
)
}
/**
* Because the pie object is going to be used in one of the options it must
* be first created - and then we must use the set call to set the properties
*/
var pie = new RGraph.Pie({
id: 'cvs',
data: [4,3,2,6,8],
})
pie.set({
colors: [
createGradient(pie, '#ABD874'),
createGradient(pie, '#E18D87'),
createGradient(pie, '#599FD9'),
createGradient(pie, '#F4AD7C'),
createGradient(pie, '#D5BBE5')
],
shadowOffsetx: 5,
shadowOffsety: 5,
shadowBlur: 15,
shadowColor: '#bbb',
tooltips: ['Robert','Louise','Peter','Kevin','Jack'],
labelsSticksColors: ['green','red','blue','orange','purple'],
labels: ['Robert','Louise','Peter','Kevin','Jack'],
labelsSticksList: true,
radius: 100,
strokestyle: 'rgba(0,0,0,0)',
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.dynamic.js"></script>
<script src="RGraph.common.tooltips.js"></script>
<script src="RGraph.pie.js"></script>
</pre>
Put this where you want the chart to show up:
<pre class="code">
<canvas id="cvs" width="400" height="300">
[No canvas support]
</canvas>
</pre>
This is the code that generates the chart:
<pre class="code">
<script>
window.onload = function ()
{
function createGradient (obj, color)
{
return RGraph.radialGradient(
obj,
200, 150, 95, 200, 150, 125,
color, 'black'
)
}
<span>/**
* Because the pie object is going to be used in one of the options it must
* be first created - and then we must use the set call to set the properties
*/</span>
var pie = new RGraph.Pie({
id: 'cvs',
data: [4,3,2,6,8],
})
pie.set({
colors: [
createGradient(pie, '#ABD874'),
createGradient(pie, '#E18D87'),
createGradient(pie, '#599FD9'),
createGradient(pie, '#F4AD7C'),
createGradient(pie, '#D5BBE5')
],
shadowOffsetx: 5,
shadowOffsety: 5,
shadowBlur: 15,
shadowColor: '#bbb',
tooltips: ['Robert','Louise','Peter','Kevin','Jack'],
labelsSticksColors: ['green','red','blue','orange','purple'],
labels: ['Robert','Louise','Peter','Kevin','Jack'],
labelsSticksList: true,
radius: 100,
strokestyle: 'rgba(0,0,0,0)',
textAccessible: true
}).draw();
};
</script>
</pre>
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