mirror of
https://github.com/chartjs/Chart.js.git
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146 lines
3.6 KiB
HTML
146 lines
3.6 KiB
HTML
<!doctype html>
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<html>
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<head>
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<title>Scatter 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 style="width:50%">
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<div>
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<canvas id="canvas" height="450" width="600"></canvas>
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</div>
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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.random() > 0.5 ? 1.0 : -1.0) * Math.round(Math.random() * 100);
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};
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var randomColor = function(opacity) {
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return 'rgba(' + Math.round(Math.random() * 255) + ',' + Math.round(Math.random() * 255) + ',' + Math.round(Math.random() * 255) + ',' + (opacity || '.3') + ')';
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};
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var scatterChartData = {
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datasets: [{
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label: "My First dataset",
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data: [{
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x: randomScalingFactor(),
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y: randomScalingFactor(),
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}, {
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x: randomScalingFactor(),
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y: randomScalingFactor(),
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}, {
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x: randomScalingFactor(),
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y: randomScalingFactor(),
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}, {
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x: randomScalingFactor(),
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y: randomScalingFactor(),
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}, {
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x: randomScalingFactor(),
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y: randomScalingFactor(),
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}, {
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x: randomScalingFactor(),
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y: randomScalingFactor(),
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}, {
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x: randomScalingFactor(),
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y: randomScalingFactor(),
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}]
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}, {
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label: "My Second dataset",
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data: [{
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x: randomScalingFactor(),
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y: randomScalingFactor(),
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}, {
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x: randomScalingFactor(),
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y: randomScalingFactor(),
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}, {
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x: randomScalingFactor(),
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y: randomScalingFactor(),
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}, {
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x: randomScalingFactor(),
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y: randomScalingFactor(),
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}, {
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x: randomScalingFactor(),
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y: randomScalingFactor(),
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}, {
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x: randomScalingFactor(),
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y: randomScalingFactor(),
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}, {
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x: randomScalingFactor(),
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y: randomScalingFactor(),
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}]
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}]
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};
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$.each(scatterChartData.datasets, function(i, dataset) {
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dataset.borderColor = randomColor(0.4);
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dataset.backgroundColor = randomColor(0.1);
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dataset.pointBorderColor = randomColor(0.7);
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dataset.pointBackgroundColor = randomColor(0.5);
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dataset.pointBorderWidth = 1;
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});
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console.log(scatterChartData);
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window.onload = function() {
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var ctx = document.getElementById("canvas").getContext("2d");
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window.myScatter = new Chart(ctx).Scatter(scatterChartData, {
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responsive: true,
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hoverMode: 'single'
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});
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};
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$('#randomizeData').click(function() {
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scatterChartData.datasets[0].data = [{
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x: randomScalingFactor(),
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y: randomScalingFactor(),
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}, {
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x: randomScalingFactor(),
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y: randomScalingFactor(),
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}, {
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x: randomScalingFactor(),
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y: randomScalingFactor(),
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}, {
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x: randomScalingFactor(),
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y: randomScalingFactor(),
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}, {
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x: randomScalingFactor(),
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y: randomScalingFactor(),
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}, {
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x: randomScalingFactor(),
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y: randomScalingFactor(),
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}, {
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x: randomScalingFactor(),
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y: randomScalingFactor(),
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}];
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scatterChartData.datasets[1].data = [{
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x: randomScalingFactor(),
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y: randomScalingFactor(),
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}, {
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x: randomScalingFactor(),
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y: randomScalingFactor(),
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}, {
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x: randomScalingFactor(),
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y: randomScalingFactor(),
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}, {
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x: randomScalingFactor(),
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y: randomScalingFactor(),
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}, {
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x: randomScalingFactor(),
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y: randomScalingFactor(),
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}, {
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x: randomScalingFactor(),
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y: randomScalingFactor(),
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}, {
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x: randomScalingFactor(),
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y: randomScalingFactor(),
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}]
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window.myScatter.update();
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});
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</script>
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</body>
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</html>
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