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Scatter

Documentation

Scatter charts can be used whenever you need to allow the user to draw their own conclusions about information displayed within the chart.

Backend API
import React from 'react'; import { Chart, Series, CommonSeriesSettings, Point, Legend, ValueAxis, ArgumentAxis, Grid, MinorGrid, CommonPaneSettings, Border, } from 'devextreme-react/chart'; import { generateDataSource } from './data.ts'; const dataSource = generateDataSource(); function App() { return ( <Chart id="chart" dataSource={dataSource}> <CommonSeriesSettings type="scatter" /> <Series valueField="y1" argumentField="x1" /> <Series valueField="y2" argumentField="x2" > <Point symbol="triangleDown" /> </Series> <ArgumentAxis tickInterval={5} > <Grid visible={true} /> <MinorGrid visible={true} /> </ArgumentAxis> <ValueAxis tickInterval={50} /> <Legend visible={false} /> <CommonPaneSettings> <Border visible={true} /> </CommonPaneSettings> </Chart> ); } export default App;
import React from 'react'; import { Chart, Series, CommonSeriesSettings, Point, Legend, ValueAxis, ArgumentAxis, Grid, MinorGrid, CommonPaneSettings, Border, } from 'devextreme-react/chart'; import { generateDataSource } from './data.js'; const dataSource = generateDataSource(); function App() { return ( <Chart id="chart" dataSource={dataSource} > <CommonSeriesSettings type="scatter" /> <Series valueField="y1" argumentField="x1" /> <Series valueField="y2" argumentField="x2" > <Point symbol="triangleDown" /> </Series> <ArgumentAxis tickInterval={5}> <Grid visible={true} /> <MinorGrid visible={true} /> </ArgumentAxis> <ValueAxis tickInterval={50} /> <Legend visible={false} /> <CommonPaneSettings> <Border visible={true} /> </CommonPaneSettings> </Chart> ); } export default App;
import React from 'react'; import ReactDOM from 'react-dom'; import App from './App.tsx'; ReactDOM.render( <App />, document.getElementById('app'), );
export function generateDataSource() { const b1 = random(-100, 100) / 10; const b2 = random(-100, 100) / 10; let k1 = random(-100, 100) / 10; let k2 = random(-100, 100) / 10; const ds: { x1: number; y1: number; x2: number; y2: number; }[] = []; let i; let x1; let x2; let y1; let y2; let isNegativeDelta; let delta1; let delta2; if (k1 < 0.1 && k1 >= 0) { k1 = 0.1; } if (k1 > -0.1 && k1 < 0) { k1 = -0.1; } if (k2 < 0.1 && k2 >= 0) { k2 = 0.1; } if (k2 > -0.1 && k2 < 0) { k2 = -0.1; } const deviation1 = Math.abs(k1 * 8); const deviation2 = Math.abs(k2 * 8); for (i = 0; i < 30; i += 1) { x1 = random(1, 20); x2 = random(1, 20); isNegativeDelta = random(0, 1) === 0; delta1 = deviation1 * Math.random(); delta2 = deviation2 * Math.random(); if (isNegativeDelta) { delta1 = -delta1; delta2 = -delta2; } y1 = k1 * x1 + b1 + delta1; y2 = k2 * x2 + b2 + delta2; ds.push({ x1, y1, x2, y2, }); } return ds; } function random(min: number, max: number) { return Math.floor(Math.random() * (max - min + 1)) + min; }
window.exports = window.exports || {}; window.config = { transpiler: 'ts', typescriptOptions: { module: 'system', emitDecoratorMetadata: true, experimentalDecorators: true, jsx: 'react', }, meta: { 'react': { 'esModule': true, }, 'typescript': { 'exports': 'ts', }, 'devextreme/time_zone_utils.js': { 'esModule': true, }, 'devextreme/localization.js': { 'esModule': true, }, 'devextreme/viz/palette.js': { 'esModule': true, }, }, paths: { 'npm:': 'https://unpkg.com/', }, defaultExtension: 'js', map: { 'ts': 'npm:plugin-typescript@4.2.4/lib/plugin.js', 'typescript': 'npm:typescript@4.2.4/lib/typescript.js', 'react': 'npm:react@17.0.2/umd/react.development.js', 'react-dom': 'npm:react-dom@17.0.2/umd/react-dom.development.js', 'prop-types': 'npm:prop-types@15.8.1/prop-types.js', 'rrule': 'npm:rrule@2.6.4/dist/es5/rrule.js', 'luxon': 'npm:luxon@1.28.1/build/global/luxon.min.js', 'es6-object-assign': 'npm:es6-object-assign@1.1.0', 'devextreme': 'npm:devextreme@23.2.5/cjs', 'devextreme-react': 'npm:devextreme-react@23.2.5/cjs', 'jszip': 'npm:jszip@3.10.1/dist/jszip.min.js', 'devextreme-quill': 'npm:devextreme-quill@1.6.4/dist/dx-quill.min.js', 'devexpress-diagram': 'npm:devexpress-diagram@2.2.5/dist/dx-diagram.js', 'devexpress-gantt': 'npm:devexpress-gantt@4.1.51/dist/dx-gantt.js', '@devextreme/runtime': 'npm:@devextreme/runtime@3.0.12', 'inferno': 'npm:inferno@7.4.11/dist/inferno.min.js', 'inferno-compat': 'npm:inferno-compat/dist/inferno-compat.min.js', 'inferno-create-element': 'npm:inferno-create-element@7.4.11/dist/inferno-create-element.min.js', 'inferno-dom': 'npm:inferno-dom/dist/inferno-dom.min.js', 'inferno-hydrate': 'npm:inferno-hydrate@7.4.11/dist/inferno-hydrate.min.js', 'inferno-clone-vnode': 'npm:inferno-clone-vnode/dist/inferno-clone-vnode.min.js', 'inferno-create-class': 'npm:inferno-create-class/dist/inferno-create-class.min.js', 'inferno-extras': 'npm:inferno-extras/dist/inferno-extras.min.js', 'devextreme-cldr-data': 'npm:devextreme-cldr-data@1.0.3', // SystemJS plugins 'plugin-babel': 'npm:systemjs-plugin-babel@0.0.25/plugin-babel.js', 'systemjs-babel-build': 'npm:systemjs-plugin-babel@0.0.25/systemjs-babel-browser.js', // Prettier 'prettier/standalone': 'npm:prettier@2.8.4/standalone.js', 'prettier/parser-html': 'npm:prettier@2.8.4/parser-html.js', }, packages: { 'devextreme': { defaultExtension: 'js', }, 'devextreme-react': { main: 'index.js', }, 'devextreme/events/utils': { main: 'index', }, 'devextreme/localization/messages': { format: 'json', defaultExtension: '', }, 'devextreme/events': { main: 'index', }, 'es6-object-assign': { main: './index.js', defaultExtension: 'js', }, }, packageConfigPaths: [ 'npm:@devextreme/*/package.json', 'npm:@devextreme/runtime@3.0.12/inferno/package.json', ], babelOptions: { sourceMaps: false, stage0: true, react: true, }, }; System.config(window.config);
import React from 'react'; import ReactDOM from 'react-dom'; import App from './App.js'; ReactDOM.render(<App />, document.getElementById('app'));
export function generateDataSource() { const b1 = random(-100, 100) / 10; const b2 = random(-100, 100) / 10; let k1 = random(-100, 100) / 10; let k2 = random(-100, 100) / 10; const ds = []; let i; let x1; let x2; let y1; let y2; let isNegativeDelta; let delta1; let delta2; if (k1 < 0.1 && k1 >= 0) { k1 = 0.1; } if (k1 > -0.1 && k1 < 0) { k1 = -0.1; } if (k2 < 0.1 && k2 >= 0) { k2 = 0.1; } if (k2 > -0.1 && k2 < 0) { k2 = -0.1; } const deviation1 = Math.abs(k1 * 8); const deviation2 = Math.abs(k2 * 8); for (i = 0; i < 30; i += 1) { x1 = random(1, 20); x2 = random(1, 20); isNegativeDelta = random(0, 1) === 0; delta1 = deviation1 * Math.random(); delta2 = deviation2 * Math.random(); if (isNegativeDelta) { delta1 = -delta1; delta2 = -delta2; } y1 = k1 * x1 + b1 + delta1; y2 = k2 * x2 + b2 + delta2; ds.push({ x1, y1, x2, y2, }); } return ds; } function random(min, max) { return Math.floor(Math.random() * (max - min + 1)) + min; }
<!DOCTYPE html> <html> <head> <title>DevExtreme Demo</title> <meta http-equiv="X-UA-Compatible" content="IE=edge" /> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/23.2.5/css/dx.light.css" /> <link rel="stylesheet" type="text/css" href="styles.css" /> <script src="https://unpkg.com/core-js@2.6.12/client/shim.min.js"></script> <script src="https://unpkg.com/systemjs@0.21.3/dist/system.js"></script> <script type="text/javascript" src="config.js"></script> <script type="text/javascript"> System.import("./index.tsx"); </script> </head> <body class="dx-viewport"> <div class="demo-container"> <div id="app"></div> </div> </body> </html>
#chart { height: 440px; }