2021-04-02 14:04:39 +02:00
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# Line Chart Datasets
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```js chart-editor
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// <block:setup:2>
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const inputs = {
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min: 20,
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max: 80,
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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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const generateLabels = () => {
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return Utils.months({count: inputs.count});
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};
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const generateData = () => (Utils.numbers(inputs));
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Utils.srand(42);
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// </block:setup>
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// <block:data:0>
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const data = {
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labels: generateLabels(),
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datasets: [
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{
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label: 'D0',
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data: generateData(),
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borderColor: Utils.CHART_COLORS.red,
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backgroundColor: Utils.transparentize(Utils.CHART_COLORS.red),
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hidden: true
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},
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{
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label: 'D1',
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data: generateData(),
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borderColor: Utils.CHART_COLORS.orange,
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backgroundColor: Utils.transparentize(Utils.CHART_COLORS.orange),
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fill: '-1'
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},
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{
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label: 'D2',
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data: generateData(),
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borderColor: Utils.CHART_COLORS.yellow,
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backgroundColor: Utils.transparentize(Utils.CHART_COLORS.yellow),
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hidden: true,
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fill: 1
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},
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{
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label: 'D3',
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data: generateData(),
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borderColor: Utils.CHART_COLORS.green,
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backgroundColor: Utils.transparentize(Utils.CHART_COLORS.green),
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fill: '-1'
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},
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{
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label: 'D4',
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data: generateData(),
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borderColor: Utils.CHART_COLORS.blue,
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backgroundColor: Utils.transparentize(Utils.CHART_COLORS.blue),
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fill: '-1'
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},
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{
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label: 'D5',
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data: generateData(),
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borderColor: Utils.CHART_COLORS.grey,
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backgroundColor: Utils.transparentize(Utils.CHART_COLORS.grey),
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fill: '+2'
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},
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{
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label: 'D6',
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data: generateData(),
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borderColor: Utils.CHART_COLORS.purple,
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backgroundColor: Utils.transparentize(Utils.CHART_COLORS.purple),
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fill: false
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},
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{
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label: 'D7',
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data: generateData(),
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borderColor: Utils.CHART_COLORS.red,
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backgroundColor: Utils.transparentize(Utils.CHART_COLORS.red),
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fill: 8
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},
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{
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label: 'D8',
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data: generateData(),
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borderColor: Utils.CHART_COLORS.orange,
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backgroundColor: Utils.transparentize(Utils.CHART_COLORS.orange),
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fill: 'end',
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hidden: true
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},
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{
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label: 'D9',
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data: generateData(),
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borderColor: Utils.CHART_COLORS.yellow,
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backgroundColor: Utils.transparentize(Utils.CHART_COLORS.yellow),
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fill: {above: 'blue', below: 'red', target: {value: 350}}
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}
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]
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};
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// </block:data>
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// <block:actions:3>
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let smooth = false;
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let propagate = false;
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const actions = [
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{
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name: 'Randomize',
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handler(chart) {
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chart.data.datasets.forEach(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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},
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{
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name: 'Propagate',
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handler(chart) {
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propagate = !propagate;
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chart.options.plugins.filler.propagate = propagate;
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chart.update();
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}
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},
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{
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name: 'Smooth',
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handler(chart) {
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smooth = !smooth;
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chart.options.elements.line.tension = smooth ? 0.4 : 0;
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chart.update();
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}
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}
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];
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// </block:actions>
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// <block:config:1>
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const config = {
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type: 'line',
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data: data,
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options: {
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scales: {
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y: {
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stacked: true
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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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interaction: {
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intersect: false,
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},
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},
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};
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// </block:config>
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module.exports = {
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actions: actions,
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config: config,
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};
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```
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<div id="chart-analyser" class="analyser"></div>
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2022-05-21 17:02:13 +02:00
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## Docs
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* [Area](../../charts/area.html)
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* [Filling modes](../../charts/area.htmll#filling-modes)
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* [Line](../../charts/line.html)
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* [Data structures (`labels`)](../../general/data-structures.html)
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* [Axes scales](../../axes/)
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* [Common options to all axes (`stacked`)](../../axes/#common-options-to-all-axes)
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