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    Bar Charts

    Auto-Calculated Bar Width

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    This demo illustrates a common issue in multi-series charts. Individual series can skip values for certain arguments or include zero values. In such cases, arguments can display a different number of bars and cause uneven gaps between data.

    The ignoreEmptyPoints property allows you to change this behavior. If you set it to true, bars increase their width to fill the gaps. In this demo, you can see how the property affects the following arguments: Iran, Canada, Saudi Arabia, and Mexico.

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    import React from 'react'; import { Chart, Series, CommonSeriesSettings, Legend, Export, } from 'devextreme-react/chart'; import { dataSource } from './data.js'; class App extends React.Component { render() { return ( <Chart id="chart" palette="Soft" title="Percent of Total Energy Production" dataSource={dataSource} > <CommonSeriesSettings argumentField="state" type="bar" ignoreEmptyPoints={true} /> <Series valueField="oil" name="Oil Production" /> <Series valueField="gas" name="Gas Production" /> <Series valueField="coal" name="Coal Production" /> <Legend verticalAlignment="bottom" horizontalAlignment="center" /> <Export enabled={true} /> </Chart> ); } } 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/22.2.6/css/dx.light.css" /> <link rel="stylesheet" type="text/css" href="styles.css" /> <script src="https://unpkg.com/core-js@2.6.12/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 const dataSource = [{ state: 'China', oil: 4.95, gas: 2.85, coal: 45.56, }, { state: 'Russia', oil: 12.94, gas: 17.66, coal: 4.13, }, { state: 'USA', oil: 8.51, gas: 19.87, coal: 15.84, }, { state: 'Iran', oil: 5.3, gas: 4.39, }, { state: 'Canada', oil: 4.08, gas: 5.4, }, { state: 'Saudi Arabia', oil: 12.03, }, { state: 'Mexico', oil: 3.86, }];
    window.config = { transpiler: 'plugin-babel', meta: { 'devextreme/localization.js': { 'esModule': true, }, }, paths: { 'npm:': 'https://unpkg.com/', }, defaultExtension: 'js', map: { 'react': 'npm:react@17.0.2/umd/react.development.js', 'react-dom': 'npm:react-dom@17.0.2/umd/react-dom.development.js', 'prop-types': 'npm:prop-types@15.8.1/prop-types.js', 'rrule': 'npm:rrule@2.6.4/dist/es5/rrule.js', 'luxon': 'npm:luxon@1.28.0/build/global/luxon.min.js', 'es6-object-assign': 'npm:es6-object-assign@1.1.0', 'devextreme': 'npm:devextreme@22.2.6/cjs', 'devextreme-react': 'npm:devextreme-react@22.2.6', 'jszip': 'npm:jszip@3.7.1/dist/jszip.min.js', 'devextreme-quill': 'npm:devextreme-quill@1.5.20/dist/dx-quill.min.js', 'devexpress-diagram': 'npm:devexpress-diagram@2.1.72/dist/dx-diagram.js', 'devexpress-gantt': 'npm:devexpress-gantt@4.1.43/dist/dx-gantt.js', '@devextreme/runtime': 'npm:@devextreme/runtime@3.0.11', 'inferno': 'npm:inferno@7.4.11/dist/inferno.min.js', 'inferno-compat': 'npm:inferno-compat/dist/inferno-compat.min.js', 'inferno-create-element': 'npm:inferno-create-element@7.4.11/dist/inferno-create-element.min.js', 'inferno-dom': 'npm:inferno-dom/dist/inferno-dom.min.js', 'inferno-hydrate': 'npm:inferno-hydrate@7.4.11/dist/inferno-hydrate.min.js', 'inferno-clone-vnode': 'npm:inferno-clone-vnode/dist/inferno-clone-vnode.min.js', 'inferno-create-class': 'npm:inferno-create-class/dist/inferno-create-class.min.js', 'inferno-extras': 'npm:inferno-extras/dist/inferno-extras.min.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', // Prettier 'prettier/standalone': 'npm:prettier@2.8.4/standalone.js', 'prettier/parser-html': 'npm:prettier@2.8.4/parser-html.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', }, }, packageConfigPaths: [ 'npm:@devextreme/*/package.json', 'npm:@devextreme/runtime@3.0.11/inferno/package.json', ], babelOptions: { sourceMaps: false, stage0: true, react: true, }, }; System.config(window.config);