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React Charts - Doughnut with Top N Series

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

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Backend API
import React from 'react'; import PieChart, { Legend, Series, Export, Label, SmallValuesGrouping, Connector, } from 'devextreme-react/pie-chart'; import { internetLanguages } from './data.ts'; function customizeLabel(point: { argumentText: string; valueText: string; }) { return `${point.argumentText}: ${point.valueText}%`; } function App() { return ( <PieChart id="pie" type="doughnut" title="Top Internet Languages" palette="Soft Pastel" dataSource={internetLanguages} > <Series argumentField="language" valueField="percent"> <SmallValuesGrouping mode="topN" topCount={3} /> <Label visible={true} format="fixedPoint" customizeText={customizeLabel} > <Connector visible={true} width={1} /> </Label> </Series> <Export enabled={true} /> <Legend horizontalAlignment="center" verticalAlignment="bottom" /> </PieChart> ); } export default App;
import React from 'react'; import PieChart, { Legend, Series, Export, Label, SmallValuesGrouping, Connector, } from 'devextreme-react/pie-chart'; import { internetLanguages } from './data.js'; function customizeLabel(point) { return `${point.argumentText}: ${point.valueText}%`; } function App() { 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={customizeLabel} > <Connector visible={true} width={1} /> </Label> </Series> <Export enabled={true} /> <Legend horizontalAlignment="center" verticalAlignment="bottom" /> </PieChart> ); } export default App;
import React from 'react'; import ReactDOM from 'react-dom'; import App from './App.tsx'; ReactDOM.render( <App />, document.getElementById('app'), );
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, }];
import React from 'react'; import ReactDOM from 'react-dom'; import App from './App.js'; ReactDOM.render(<App />, document.getElementById('app'));
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, }, ];
<!DOCTYPE html> <html lang="en"> <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=5.0" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/26.1.5/css/dx.light.css" /> <link rel="stylesheet" type="text/css" href="./bundle.css" /> </head> <body class="dx-viewport"> <div class="demo-container"> <div id="app"></div> </div> <script src="bundles/vendor/react.vendor.js"></script> <script src="./bundle.js"></script> </body> </html>
#pie { height: 440px; }