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Pie Charts

Pies with Equal Sizes

Documentation

When several PieChart widgets are displayed side by side, their pies may differ in size. To eliminate these differences, you can collect all PieCharts in a single size group by setting their sizeGroup option to identical values.

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import React from 'react'; import PieChart, { Series, Label, Legend } from 'devextreme-react/pie-chart'; import { countries, waterLandRatio } from './data.js'; const pieCharts = [{ title: 'Area of Countries', palette: 'Soft', dataSource: countries }, { title: 'Water/Land Ratio', palette: 'Soft Pastel', dataSource: waterLandRatio }]; function App() { const pies = pieCharts.map((options, i) => ( <PieChart className="pie" key={i} title={options.title} palette={options.palette} sizeGroup="piesGroup" dataSource={options.dataSource} > <Series argumentField="name" valueField="area"> <Label visible={true} format="percent" /> </Series> <Legend verticalAlignment="bottom" horizontalAlignment="center" itemTextPosition="right" rowCount={2} /> </PieChart> )); return ( <div className="pies-container"> {pies} </div> ); } export default App;
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>
.pies-container { margin: auto; width: 800px; } .pies-container > .pie { width: 400px; float: left; }
export const waterLandRatio = [{ name: 'Land', area: 0.29 }, { name: 'Water', area: 0.71 }]; export const countries = [{ name: 'Russia', area: 0.12 }, { name: 'Canada', area: 0.07 }, { name: 'USA', area: 0.07 }, { name: 'China', area: 0.07 }, { name: 'Brazil', area: 0.06 }, { name: 'Australia', area: 0.05 }, { name: 'India', area: 0.02 }, { name: 'Others', area: 0.55 }];
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 } });