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Area Charts

Area

Documentation

Area series can be used to clearly emphasize change in values. In this example, you can switch between the area, stacked area and full-stacked area series types. Stacked area series help visualize multiple series and compare the manner in which each series contributes to the total aggregate value for specific arguments. Full-stacked area series help compare the percentage value of multiple area series for each argument.

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import React from 'react'; import SelectBox from 'devextreme-react/select-box'; import { Chart, Series, ArgumentAxis, CommonSeriesSettings, Export, Legend, Margin } from 'devextreme-react/chart'; import { dataSource } from './data.js'; const types = ['area', 'stackedarea', 'fullstackedarea']; class App extends React.Component { constructor(props) { super(props); this.state = { type: types[0] }; this.handleChange = this.handleChange.bind(this); } handleChange(e) { this.setState({ type: e.value }); } render() { return ( <div id={'chart-demo'}> <Chart palette={'Harmony Light'} title={'Population: Age Structure (2000)'} dataSource={dataSource} > <CommonSeriesSettings argumentField={'country'} type={this.state.type} /> <Series valueField={'y1564'} name={'15-64 years'}></Series> <Series valueField={'y014'} name={'0-14 years'}></Series> <Series valueField={'y65'} name={'65 years and older'}></Series> <Margin bottom={20} /> <ArgumentAxis valueMarginsEnabled={false} /> <Legend verticalAlignment={'bottom'} horizontalAlignment={'center'} /> <Export enabled={true} /> </Chart> <div className={'options'}> <div className={'caption'}>Options</div> <div className={'option'}> <span>Series Type </span> <SelectBox dataSource={types} value={this.state.type} onValueChanged={this.handleChange} /> </div> </div> </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/19.1.3/css/dx.common.css" /> <link rel="dx-theme" data-theme="generic.light" href="https://cdn3.devexpress.com/jslib/19.1.3/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>
.options { padding: 20px; background-color: rgba(191, 191, 191, 0.15); margin-top: 20px; } .option { margin-top: 10px; } .caption { font-size: 18px; font-weight: 500; } .option > span { margin-right: 10px; } .option > .dx-widget { display: inline-block; vertical-align: middle; }
export const dataSource = [{ country: 'China', y014: 320866959, y1564: 853191410, y65: 87774113 }, { country: 'India', y014: 340419115, y1564: 626520945, y65: 47063757 }, { country: 'United States', y014: 58554755, y1564: 182172625, y65: 34835293 }, { country: 'Indonesia', y014: 68715705, y1564: 146014815, y65: 10053690 }, { country: 'Brazil', y014: 50278034, y1564: 113391494, y65: 9190842 }, { country: 'Russia', y014: 26465156, y1564: 101123777, y65: 18412243 }];
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@19.1', 'devextreme-react': 'npm:devextreme-react@19.1', 'jszip': 'npm:jszip@3.1.3/dist/jszip.min.js', 'quill': 'npm:quill@1.3.6/dist/quill.js', 'devexpress-diagram': 'npm:devexpress-diagram', // 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 } });