mirror of
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132 lines
3.0 KiB
HTML
132 lines
3.0 KiB
HTML
<!DOCTYPE html>
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<html lang="en-US">
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<head>
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<meta charset="utf-8">
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<meta http-equiv="X-UA-Compatible" content="IE=Edge">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<title>Scriptable > Bubble | Chart.js sample</title>
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<link rel="stylesheet" type="text/css" href="../style.css">
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<script src="../../Chart.min.js"></script>
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<script src="../utils.js"></script>
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</head>
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<body>
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<div class="content">
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<div class="wrapper"><canvas id="chart-0"></canvas></div>
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<div class="toolbar">
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<button onclick="randomize(this)">Randomize</button>
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<button onclick="addDataset(this)">Add Dataset</button>
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<button onclick="removeDataset(this)">Remove Dataset</button>
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</div>
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</div>
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<script>
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var DATA_COUNT = 16;
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var MIN_XY = -150;
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var MAX_XY = 100;
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var utils = Samples.utils;
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utils.srand(110);
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function colorize(opaque, context) {
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var value = context.dataset.data[context.dataIndex];
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var x = value.x / 100;
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var y = value.y / 100;
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var r = x < 0 && y < 0 ? 250 : x < 0 ? 150 : y < 0 ? 50 : 0;
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var g = x < 0 && y < 0 ? 0 : x < 0 ? 50 : y < 0 ? 150 : 250;
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var b = x < 0 && y < 0 ? 0 : x > 0 && y > 0 ? 250 : 150;
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var a = opaque ? 1 : 0.5 * value.v / 1000;
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return 'rgba(' + r + ',' + g + ',' + b + ',' + a + ')';
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}
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function generateData() {
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var data = [];
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var i;
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for (i = 0; i < DATA_COUNT; ++i) {
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data.push({
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x: utils.rand(MIN_XY, MAX_XY),
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y: utils.rand(MIN_XY, MAX_XY),
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v: utils.rand(0, 1000)
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});
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}
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return data;
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}
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var data = {
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datasets: [{
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data: generateData()
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}, {
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data: generateData()
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}]
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};
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var options = {
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aspectRatio: 1,
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legend: false,
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tooltips: false,
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elements: {
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point: {
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backgroundColor: colorize.bind(null, false),
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borderColor: colorize.bind(null, true),
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borderWidth: function(context) {
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return Math.min(Math.max(1, context.datasetIndex + 1), 8);
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},
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hoverBackgroundColor: 'transparent',
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hoverBorderColor: function(context) {
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return utils.color(context.datasetIndex);
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},
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hoverBorderWidth: function(context) {
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var value = context.dataset.data[context.dataIndex];
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return Math.round(8 * value.v / 1000);
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},
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radius: function(context) {
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var value = context.dataset.data[context.dataIndex];
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var size = context.chart.width;
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var base = Math.abs(value.v) / 1000;
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return (size / 24) * base;
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}
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}
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}
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};
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var chart = new Chart('chart-0', {
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type: 'bubble',
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data: data,
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options: options
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});
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// eslint-disable-next-line no-unused-vars
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function randomize() {
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chart.data.datasets.forEach(function(dataset) {
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dataset.data = generateData();
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});
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chart.update();
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}
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// eslint-disable-next-line no-unused-vars
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function addDataset() {
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chart.data.datasets.push({
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data: generateData()
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});
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chart.update();
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}
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// eslint-disable-next-line no-unused-vars
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function removeDataset() {
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chart.data.datasets.shift();
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chart.update();
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}
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</script>
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</body>
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</html>
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