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Point Charts

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.

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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(); export default 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> ); }
import React from 'react'; import ReactDOM from 'react-dom'; import App from './App.js'; ReactDOM.render( <App />, document.getElementById('app') );
<!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/19.2.4/css/dx.common.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/19.2.4/css/dx.light.css" /> <link rel="stylesheet" type="text/css" href="styles.css" /> <script src="https://unpkg.com/core-js@2.4.1/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.js'); </script> </head> <body class="dx-viewport"> <div class="demo-container"> <div id="app"></div> </div> </body> </html>
#chart { height: 440px; }
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 deviation1; let deviation2; 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; } deviation1 = Math.abs(k1 * 8); deviation2 = Math.abs(k2 * 8); for (i = 0; i < 30; i++) { 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: x1, y1: y1, x2: x2, y2: y2 }); } return ds; } function random(min, max) { return Math.floor(Math.random() * (max - min + 1)) + min; }
System.config({ transpiler: 'plugin-babel', paths: { 'npm:': 'https://unpkg.com/' }, defaultExtension: 'js', map: { 'react': 'npm:react@16/umd/react.development.js', 'react-dom': 'npm:react-dom@16/umd/react-dom.development.js', 'prop-types': 'npm:prop-types/prop-types.js', 'devextreme': 'npm:devextreme@19.2', 'devextreme-react': 'npm:devextreme-react@19.2', 'jszip': 'npm:jszip@3.1.3/dist/jszip.min.js', 'quill': 'npm:quill@1.3.7/dist/quill.js', 'devexpress-diagram': 'npm:devexpress-diagram', 'devexpress-gantt': 'npm:devexpress-gantt', // SystemJS plugins 'plugin-babel': 'npm:systemjs-plugin-babel@0/plugin-babel.js', 'systemjs-babel-build': 'npm:systemjs-plugin-babel@0/systemjs-babel-browser.js' }, packages: { 'devextreme': { defaultExtension: 'js' }, 'devextreme-react': { main: 'index.js' } }, babelOptions: { sourceMaps: false, stage0: true, react: true } });