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89 lines
1.8 KiB
Markdown
89 lines
1.8 KiB
Markdown
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# Center Positioning
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This sample show how to place the axis in the center of the chart area, instead of at the edges.
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```js chart-editor
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// <block:actions:2>
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const actions = [
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{
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name: 'Default Positions',
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handler(chart) {
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chart.options.scales.x.position = 'bottom';
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chart.options.scales.y.position = 'left';
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chart.update();
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}
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},
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{
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name: 'Position: center',
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handler(chart) {
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chart.options.scales.x.position = 'center';
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chart.options.scales.y.position = 'center';
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chart.update();
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}
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},
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{
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name: 'Position: Vertical: x=-60, Horizontal: y=30',
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handler(chart) {
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chart.options.scales.x.position = {y: 30};
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chart.options.scales.y.position = {x: -60};
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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:setup:1>
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const DATA_COUNT = 6;
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const NUMBER_CFG = {count: DATA_COUNT, min: -100, max: 100};
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const data = {
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datasets: [
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{
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label: 'Dataset 1',
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data: Utils.points(NUMBER_CFG),
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fill: false,
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borderColor: Utils.CHART_COLORS.red,
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backgroundColor: Utils.transparentize(Utils.CHART_COLORS.red, 0.5),
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},
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{
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label: 'Dataset 2',
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data: Utils.points(NUMBER_CFG),
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fill: false,
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borderColor: Utils.CHART_COLORS.blue,
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backgroundColor: Utils.transparentize(Utils.CHART_COLORS.blue, 0.5),
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}
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]
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};
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// </block:setup>
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// <block:config:0>
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const config = {
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type: 'scatter',
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data: data,
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options: {
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responsive: true,
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plugins: {
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title: {
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display: true,
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text: 'Axis Center Positioning'
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}
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},
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scales: {
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x: {
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min: -100,
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max: 100,
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},
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y: {
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min: -100,
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max: 100,
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}
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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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