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    Doughnut Charts

    Doughnut with Top N Series

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    In this example, the PieChart widget displays only top N values and aggregates the remainder into the others category.

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    ASP.NET MVC

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    import React from 'react'; import PieChart, { Legend, Series, Export, Label, SmallValuesGrouping, Connector } from 'devextreme-react/pie-chart'; import { internetLanguages } from './data.js'; class App extends React.Component { render() { return ( <PieChart id="pie" type="doughnut" title="Top Internet Languages" palette="Soft Pastel" dataSource={internetLanguages} > <Series argumentField="language" valueField="percent"> <SmallValuesGrouping mode="topN" topCount={3} /> <Label visible={true} format="fixedPoint" customizeText={this.customizeLabel} > <Connector visible={true} width={1} /> </Label> </Series> <Export enabled={true} /> <Legend horizontalAlignment="center" verticalAlignment="bottom" /> </PieChart> ); } customizeLabel(point) { return `${point.argumentText }: ${ point.valueText }%`; } } 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/20.2.4/css/dx.common.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.2.4/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>
    #pie { height: 440px; }
    export const internetLanguages = [{ language: 'English', percent: 55.5 }, { language: 'Chinese', percent: 4.0 }, { language: 'Spanish', percent: 4.3 }, { language: 'Japanese', percent: 4.9 }, { language: 'Portuguese', percent: 2.3 }, { language: 'German', percent: 5.6 }, { language: 'French', percent: 3.8 }, { language: 'Russian', percent: 6.3 }, { language: 'Italian', percent: 1.6 }, { language: 'Polish', percent: 1.8 }];
    System.config({ transpiler: 'plugin-babel', meta: { }, paths: { 'npm:': 'https://unpkg.com/' }, defaultExtension: 'js', map: { 'react': 'npm:react@16.14.0/umd/react.development.js', 'react-dom': 'npm:react-dom@16.14.0/umd/react-dom.development.js', 'prop-types': 'npm:prop-types@15.7.2/prop-types.js', 'rrule': 'npm:rrule@2.6.6/dist/es5/rrule.js', 'luxon': 'npm:luxon@1.25.0/build/global/luxon.min.js', 'es6-object-assign': 'npm:es6-object-assign@1.1.0', 'devextreme': 'npm:devextreme@20.2.4', 'devextreme-react': 'npm:devextreme-react@20.2.4', 'jszip': 'npm:jszip@3.5.0/dist/jszip.min.js', 'devextreme-quill': 'npm:devextreme-quill@0.9.7/dist/dx-quill.min.js', 'devexpress-diagram': 'npm:devexpress-diagram@2.0.5/dist/dx-diagram.js', 'devexpress-gantt': 'npm:devexpress-gantt@2.0.8/dist/dx-gantt.js', 'preact': 'npm:preact@10.5.7/dist/preact.js', 'preact/hooks': 'npm:preact@10.5.7/hooks/dist/hooks.js', // 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' }, packages: { 'devextreme': { defaultExtension: 'js' }, 'devextreme-react': { main: 'index.js' }, 'devextreme/events/utils': { main: 'index' }, 'devextreme/events': { main: 'index' }, 'es6-object-assign': { main: './index.js', defaultExtension: 'js' } }, babelOptions: { sourceMaps: false, stage0: true, react: true } });