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- <!doctype html>
- <html>
- <head>
- <title>Scatter Chart Multi Axis</title>
- <script src="../../../dist/Chart.bundle.js"></script>
- <script src="../../utils.js"></script>
- <style>
- canvas {
- -moz-user-select: none;
- -webkit-user-select: none;
- -ms-user-select: none;
- }
- </style>
- </head>
- <body>
- <div style="width:75%">
- <canvas id="canvas"></canvas>
- </div>
- <button id="randomizeData">Randomize Data</button>
- <script>
- var color = Chart.helpers.color;
- var scatterChartData = {
- datasets: [{
- label: 'My First dataset',
- xAxisID: 'x-axis-1',
- yAxisID: 'y-axis-1',
- borderColor: window.chartColors.red,
- backgroundColor: color(window.chartColors.red).alpha(0.2).rgbString(),
- data: [{
- x: randomScalingFactor(),
- y: randomScalingFactor(),
- }, {
- x: randomScalingFactor(),
- y: randomScalingFactor(),
- }, {
- x: randomScalingFactor(),
- y: randomScalingFactor(),
- }, {
- x: randomScalingFactor(),
- y: randomScalingFactor(),
- }, {
- x: randomScalingFactor(),
- y: randomScalingFactor(),
- }, {
- x: randomScalingFactor(),
- y: randomScalingFactor(),
- }, {
- x: randomScalingFactor(),
- y: randomScalingFactor(),
- }]
- }, {
- label: 'My Second dataset',
- xAxisID: 'x-axis-1',
- yAxisID: 'y-axis-2',
- borderColor: window.chartColors.blue,
- backgroundColor: color(window.chartColors.blue).alpha(0.2).rgbString(),
- data: [{
- x: randomScalingFactor(),
- y: randomScalingFactor(),
- }, {
- x: randomScalingFactor(),
- y: randomScalingFactor(),
- }, {
- x: randomScalingFactor(),
- y: randomScalingFactor(),
- }, {
- x: randomScalingFactor(),
- y: randomScalingFactor(),
- }, {
- x: randomScalingFactor(),
- y: randomScalingFactor(),
- }, {
- x: randomScalingFactor(),
- y: randomScalingFactor(),
- }, {
- x: randomScalingFactor(),
- y: randomScalingFactor(),
- }]
- }]
- };
- window.onload = function() {
- var ctx = document.getElementById('canvas').getContext('2d');
- window.myScatter = Chart.Scatter(ctx, {
- data: scatterChartData,
- options: {
- responsive: true,
- hoverMode: 'nearest',
- intersect: true,
- title: {
- display: true,
- text: 'Chart.js Scatter Chart - Multi Axis'
- },
- scales: {
- xAxes: [{
- position: 'bottom',
- gridLines: {
- zeroLineColor: 'rgba(0,0,0,1)'
- }
- }],
- yAxes: [{
- type: 'linear', // only linear but allow scale type registration. This allows extensions to exist solely for log scale for instance
- display: true,
- position: 'left',
- id: 'y-axis-1',
- }, {
- type: 'linear', // only linear but allow scale type registration. This allows extensions to exist solely for log scale for instance
- display: true,
- position: 'right',
- reverse: true,
- id: 'y-axis-2',
- // grid line settings
- gridLines: {
- drawOnChartArea: false, // only want the grid lines for one axis to show up
- },
- }],
- }
- }
- });
- };
- document.getElementById('randomizeData').addEventListener('click', function() {
- scatterChartData.datasets.forEach(function(dataset) {
- dataset.data = dataset.data.map(function() {
- return {
- x: randomScalingFactor(),
- y: randomScalingFactor()
- };
- });
- });
- window.myScatter.update();
- });
- </script>
- </body>
- </html>
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