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- <!doctype html>
- <html>
- <head>
- <title>Scatter Chart</title>
- <script src="../dist/Chart.bundle.js"></script>
- <script src="http://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>
- <style>
- canvas {
- -moz-user-select: none;
- -webkit-user-select: none;
- -ms-user-select: none;
- }
- </style>
- </head>
- <body>
- <div style="width:75%">
- <div>
- <canvas id="canvas"></canvas>
- </div>
- </div>
- <script>
- var randomScalingFactor = function() {
- return Math.round(Math.random() * 10.0) * Math.pow(10, Math.ceil(Math.random() * 5));
- };
- var randomColor = function(opacity) {
- return 'rgba(' + Math.round(Math.random() * 255) + ',' + Math.round(Math.random() * 255) + ',' + Math.round(Math.random() * 255) + ',' + (opacity || '.3') + ')';
- };
- var scatterChartData = {
- datasets: [{
- label: "V(node2)",
- data: [{
- x: 1,
- y: -1.711e-2,
- }, {
- x: 1.26,
- y: -2.708e-2,
- }, {
- x: 1.58,
- y: -4.285e-2,
- }, {
- x: 2.0,
- y: -6.772e-2,
- }, {
- x: 2.51,
- y: -1.068e-1,
- }, {
- x: 3.16,
- y: -1.681e-1,
- }, {
- x: 3.98,
- y: -2.635e-1,
- }, {
- x: 5.01,
- y: -4.106e-1,
- }, {
- x: 6.31,
- y: -6.339e-1,
- }, {
- x: 7.94,
- y: -9.659e-1,
- }, {
- x: 10.00,
- y: -1.445,
- }, {
- x: 12.6,
- y: -2.110,
- }, {
- x: 15.8,
- y: -2.992,
- }, {
- x: 20.0,
- y: -4.102,
- }, {
- x: 25.1,
- y: -5.429,
- }, {
- x: 31.6,
- y: -6.944,
- }, {
- x: 39.8,
- y: -8.607,
- }, {
- x: 50.1,
- y: -1.038e1,
- }, {
- x: 63.1,
- y: -1.223e1,
- }, {
- x: 79.4,
- y: -1.413e1,
- }, {
- x: 100.00,
- y: -1.607e1,
- }, {
- x: 126,
- y: -1.803e1,
- }, {
- x: 158,
- y: -2e1,
- }, {
- x: 200,
- y: -2.199e1,
- }, {
- x: 251,
- y: -2.398e1,
- }, {
- x: 316,
- y: -2.597e1,
- }, {
- x: 398,
- y: -2.797e1,
- }, {
- x: 501,
- y: -2.996e1,
- }, {
- x: 631,
- y: -3.196e1,
- }, {
- x: 794,
- y: -3.396e1,
- }, {
- x: 1000,
- y: -3.596e1,
- },]
- }]
- };
- $.each(scatterChartData.datasets, function(i, dataset) {
- dataset.borderColor = randomColor(0.4);
- dataset.backgroundColor = randomColor(0.1);
- dataset.pointBorderColor = randomColor(0.7);
- dataset.pointBackgroundColor = randomColor(0.5);
- dataset.pointBorderWidth = 1;
- });
- window.onload = function() {
- var ctx = document.getElementById("canvas").getContext("2d");
- window.myScatter = Chart.Scatter(ctx, {
- data: scatterChartData,
- options: {
- title: {
- display: true,
- text: 'Chart.js Scatter Chart - Logarithmic X-Axis'
- },
- scales: {
- xAxes: [{
- type: 'logarithmic',
- position: 'bottom',
- ticks: {
- userCallback: function(tick) {
- var remain = tick / (Math.pow(10, Math.floor(Chart.helpers.log10(tick))));
- if (remain === 1 || remain === 2 || remain === 5) {
- return tick.toString() + "Hz";
- }
- return '';
- },
- },
- scaleLabel: {
- labelString: 'Frequency',
- display: true,
- }
- }],
- yAxes: [{
- type: 'linear',
- ticks: {
- userCallback: function(tick) {
- return tick.toString() + "dB";
- }
- },
- scaleLabel: {
- labelString: 'Voltage',
- display: true
- }
- }]
- }
- }
- });
- };
- </script>
- </body>
- </html>
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