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68 lines
1.9 KiB
HTML
68 lines
1.9 KiB
HTML
<!doctype html>
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<html>
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<head>
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<title>Polar Area Chart</title>
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<script src="../Chart.js"></script>
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<script src="http://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>
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</head>
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<body>
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<div id="canvas-holder" style="width:100%">
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<canvas id="chart-area" width="300" height="300" />
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</div>
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<button id="randomizeData">Randomize Data</button>
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<script>
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var randomScalingFactor = function() {
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return Math.round(Math.random() * 100);
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};
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var randomColorFactor = function() {
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return Math.round(Math.random() * 255);
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};
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var config = {
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data: {
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data: [{
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value: randomScalingFactor(),
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backgroundColor: "#F7464A",
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label: "Red"
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}, {
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value: randomScalingFactor(),
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backgroundColor: "#46BFBD",
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label: "Green"
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}, {
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value: randomScalingFactor(),
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backgroundColor: "#FDB45C",
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label: "Yellow"
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}, {
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value: randomScalingFactor(),
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backgroundColor: "#949FB1",
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label: "Grey"
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}, {
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value: randomScalingFactor(),
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backgroundColor: "#4D5360",
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label: "Dark Grey"
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}]
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},
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options: {
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responsive: true
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}
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};
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window.onload = function() {
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var ctx = document.getElementById("chart-area").getContext("2d");
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window.myPolarArea = new Chart(ctx).PolarArea(config);
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};
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$('#randomizeData').click(function() {
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$.each(polarData, function(i, piece) {
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polarData[i].value = randomScalingFactor();
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polarData[i].color = 'rgba(' + randomColorFactor() + ',' + randomColorFactor() + ',' + randomColorFactor() + ',.7)';
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});
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window.myPolarArea.update();
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});
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</script>
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</body>
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</html>
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