137 lines
3.1 KiB
HTML
137 lines
3.1 KiB
HTML
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<!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>area > radar | Chart.js sample</title>
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<link rel="stylesheet" type="text/css" href="../../style.css">
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<script src="../../../Chart.bundle.js"></script>
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<script src="../../utils.js"></script>
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<script src="analyser.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" style="max-width: 512px; margin: auto">
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<canvas id="chart-0"></canvas>
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</div>
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<div class="toolbar">
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<button onclick="togglePropagate(this)">Propagate</button>
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<button onclick="toggleSmooth(this)">Smooth</button>
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<button onclick="randomize(this)">Randomize</button>
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</div>
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<div id="chart-analyser" class="analyser"></div>
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</div>
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<script>
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var presets = window.chartColors;
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var utils = Samples.utils;
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var inputs = {
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min: 8,
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max: 16,
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count: 8,
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decimals: 2,
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continuity: 1
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};
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function generateData() {
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// radar chart doesn't support stacked values, let's do it manually
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var values = utils.numbers(inputs);
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inputs.from = values;
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return values;
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}
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function generateLabels(config) {
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return utils.months({count: inputs.count});
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}
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utils.srand(42);
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var data = {
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labels: generateLabels(),
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datasets: [{
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backgroundColor: utils.transparentize(presets.red),
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borderColor: presets.red,
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data: generateData(),
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label: 'D0'
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}, {
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backgroundColor: utils.transparentize(presets.orange),
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borderColor: presets.orange,
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data: generateData(),
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hidden: true,
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label: 'D1',
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fill: '-1'
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}, {
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backgroundColor: utils.transparentize(presets.yellow),
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borderColor: presets.yellow,
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data: generateData(),
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label: 'D2',
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fill: 1
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}, {
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backgroundColor: utils.transparentize(presets.green),
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borderColor: presets.green,
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data: generateData(),
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label: 'D3',
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fill: false
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}, {
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backgroundColor: utils.transparentize(presets.blue),
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borderColor: presets.blue,
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data: generateData(),
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label: 'D4',
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fill: '-1'
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}, {
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backgroundColor: utils.transparentize(presets.purple),
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borderColor: presets.purple,
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data: generateData(),
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label: 'D5',
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fill: '-1'
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}]
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};
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var options = {
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maintainAspectRatio: true,
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spanGaps: false,
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elements: {
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line: {
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tension: 0.000001
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}
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},
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plugins: {
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filler: {
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propagate: false
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},
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samples_filler_analyser: {
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target: 'chart-analyser'
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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: 'radar',
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data: data,
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options: options
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});
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function togglePropagate(btn) {
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var value = btn.classList.toggle('btn-on');
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chart.options.plugins.filler.propagate = value;
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chart.update();
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}
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function toggleSmooth(btn) {
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var value = btn.classList.toggle('btn-on');
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chart.options.elements.line.tension = value? 0.4 : 0.000001;
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chart.update();
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}
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function randomize() {
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inputs.from = [];
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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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</script>
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</body>
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</html>
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