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Point Image

This demo shows that the Chart can display custom images instead of standard point symbols.

Backend API
import React from 'react'; import { Chart, CommonSeriesSettings, Series, ArgumentAxis, Grid, Label, Format, ValueAxis, Export, Legend, Point, IExportProps, } from 'devextreme-react/chart'; import { iceHockeyStatistics } from './data.ts'; const exportFormats: IExportProps['formats'] = ['PNG', 'PDF', 'JPEG', 'GIF', 'SVG']; function customizePoint(e: { value: number; }) { if (e.value === 1) { return { image: { url: '../../../../images/Charts/PointImage/icon-medal-gold.png', width: 20, height: 20 }, visible: true }; } if (e.value === 2) { return { image: { url: '../../../../images/Charts/PointImage/icon-medal-silver.png', width: 20, height: 20 }, visible: true }; } if (e.value === 3) { return { image: { url: '../../../../images/Charts/PointImage/icon-medal-bronse.png', width: 20, height: 20 }, visible: true }; } return null; } function customizeText(e: { valueText: string; }) { if (e.valueText === '1') { return `${e.valueText}st place`; } if (e.valueText === '2') { return `${e.valueText}nd place`; } if (e.valueText === '3') { return `${e.valueText}rd place`; } return `${e.valueText}th place`; } function App() { return ( <Chart id="chart" dataSource={iceHockeyStatistics} title={'Canadian Men’s National Ice Hockey Team\n at the World Championships'} customizePoint={customizePoint} > <CommonSeriesSettings argumentField="year" valueField="place" type="spline" > <Point visible={false} /> </CommonSeriesSettings> <Series color="#888888" /> <ArgumentAxis allowDecimals={false} axisDivisionFactor={60} > <Grid visible={true} /> <Label> <Format type="decimal" /> </Label> </ArgumentAxis> <ValueAxis inverted={true}> <Grid visible={false} /> <Label customizeText={customizeText} /> </ValueAxis> <Export enabled={true} formats={exportFormats} /> <Legend visible={false} /> </Chart> ); } export default App;
import React from 'react'; import { Chart, CommonSeriesSettings, Series, ArgumentAxis, Grid, Label, Format, ValueAxis, Export, Legend, Point, } from 'devextreme-react/chart'; import { iceHockeyStatistics } from './data.js'; const exportFormats = ['PNG', 'PDF', 'JPEG', 'GIF', 'SVG']; function customizePoint(e) { if (e.value === 1) { return { image: { url: '../../../../images/Charts/PointImage/icon-medal-gold.png', width: 20, height: 20, }, visible: true, }; } if (e.value === 2) { return { image: { url: '../../../../images/Charts/PointImage/icon-medal-silver.png', width: 20, height: 20, }, visible: true, }; } if (e.value === 3) { return { image: { url: '../../../../images/Charts/PointImage/icon-medal-bronse.png', width: 20, height: 20, }, visible: true, }; } return null; } function customizeText(e) { if (e.valueText === '1') { return `${e.valueText}st place`; } if (e.valueText === '2') { return `${e.valueText}nd place`; } if (e.valueText === '3') { return `${e.valueText}rd place`; } return `${e.valueText}th place`; } function App() { return ( <Chart id="chart" dataSource={iceHockeyStatistics} title={'Canadian Men’s National Ice Hockey Team\n at the World Championships'} customizePoint={customizePoint} > <CommonSeriesSettings argumentField="year" valueField="place" type="spline" > <Point visible={false} /> </CommonSeriesSettings> <Series color="#888888" /> <ArgumentAxis allowDecimals={false} axisDivisionFactor={60} > <Grid visible={true} /> <Label> <Format type="decimal" /> </Label> </ArgumentAxis> <ValueAxis inverted={true}> <Grid visible={false} /> <Label customizeText={customizeText} /> </ValueAxis> <Export enabled={true} formats={exportFormats} /> <Legend visible={false} /> </Chart> ); } 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 iceHockeyStatistics = [{ year: 1977, place: 4, }, { year: 1978, place: 3, }, { year: 1979, place: 4, }, { year: 1981, place: 4, }, { year: 1982, place: 3, }, { year: 1983, place: 3, }, { year: 1985, place: 2, }, { year: 1986, place: 3, }, { year: 1987, place: 4, }, { year: 1989, place: 2, }, { year: 1990, place: 4, }, { year: 1991, place: 2, }, { year: 1992, place: 8, }, { year: 1993, place: 4, }, { year: 1994, place: 1, }, { year: 1995, place: 3, }, { year: 1996, place: 2, }, { year: 1997, place: 1, }, { year: 1998, place: 6, }, { year: 1999, place: 4, }, { year: 2000, place: 4, }, { year: 2001, place: 5, }, { year: 2002, place: 6, }, { year: 2003, place: 1, }, { year: 2004, place: 1, }, { year: 2005, place: 2, }, { year: 2006, place: 4, }, { year: 2007, place: 1, }, { year: 2008, place: 2, }, { year: 2009, place: 2, }, { year: 2010, place: 7, }, { year: 2011, place: 5, }, { year: 2012, place: 5, }, { year: 2013, place: 5, }];
window.exports = window.exports || {}; window.config = { transpiler: 'ts', typescriptOptions: { module: 'system', emitDecoratorMetadata: true, experimentalDecorators: true, jsx: 'react', }, meta: { 'react': { 'esModule': true, }, 'typescript': { 'exports': 'ts', }, 'devextreme/time_zone_utils.js': { 'esModule': true, }, 'devextreme/localization.js': { 'esModule': true, }, 'devextreme/viz/palette.js': { 'esModule': true, }, }, paths: { 'npm:': 'https://unpkg.com/', }, defaultExtension: 'js', map: { 'ts': 'npm:plugin-typescript@4.2.4/lib/plugin.js', 'typescript': 'npm:typescript@4.2.4/lib/typescript.js', '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@1.28.1/build/global/luxon.min.js', 'es6-object-assign': 'npm:es6-object-assign@1.1.0', 'devextreme': 'npm:devextreme@24.1.4/cjs', 'devextreme-react': 'npm:devextreme-react@24.1.4/cjs', 'jszip': 'npm:jszip@3.10.1/dist/jszip.min.js', 'devextreme-quill': 'npm:devextreme-quill@1.7.1/dist/dx-quill.min.js', 'devexpress-diagram': 'npm:devexpress-diagram@2.2.10/dist/dx-diagram.js', 'devexpress-gantt': 'npm:devexpress-gantt@4.1.56/dist/dx-gantt.js', '@devextreme/runtime': 'npm:@devextreme/runtime@3.0.13', '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', 'devextreme-cldr-data': 'npm:devextreme-cldr-data@1.0.3', // 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@2.8.8/standalone.js', 'prettier/parser-html': 'npm:prettier@2.8.8/parser-html.js', }, packages: { 'devextreme': { defaultExtension: 'js', }, 'devextreme-react': { main: 'index.js', }, 'devextreme/events/utils': { main: 'index', }, 'devextreme/localization/messages': { format: 'json', defaultExtension: 'json', }, 'devextreme/events': { main: 'index', }, 'es6-object-assign': { main: './index.js', defaultExtension: 'js', }, }, packageConfigPaths: [ 'npm:@devextreme/*/package.json', 'npm:@devextreme/runtime@3.0.13/inferno/package.json', ], babelOptions: { sourceMaps: false, stage0: true, react: true, }, }; System.config(window.config);
import React from 'react'; import ReactDOM from 'react-dom'; import App from './App.js'; ReactDOM.render(<App />, document.getElementById('app'));
export const iceHockeyStatistics = [ { year: 1977, place: 4, }, { year: 1978, place: 3, }, { year: 1979, place: 4, }, { year: 1981, place: 4, }, { year: 1982, place: 3, }, { year: 1983, place: 3, }, { year: 1985, place: 2, }, { year: 1986, place: 3, }, { year: 1987, place: 4, }, { year: 1989, place: 2, }, { year: 1990, place: 4, }, { year: 1991, place: 2, }, { year: 1992, place: 8, }, { year: 1993, place: 4, }, { year: 1994, place: 1, }, { year: 1995, place: 3, }, { year: 1996, place: 2, }, { year: 1997, place: 1, }, { year: 1998, place: 6, }, { year: 1999, place: 4, }, { year: 2000, place: 4, }, { year: 2001, place: 5, }, { year: 2002, place: 6, }, { year: 2003, place: 1, }, { year: 2004, place: 1, }, { year: 2005, place: 2, }, { year: 2006, place: 4, }, { year: 2007, place: 1, }, { year: 2008, place: 2, }, { year: 2009, place: 2, }, { year: 2010, place: 7, }, { year: 2011, place: 5, }, { year: 2012, place: 5, }, { year: 2013, place: 5, }, ];
<!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/24.1.4/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.tsx"); </script> </head> <body class="dx-viewport"> <div class="demo-container"> <div id="app"></div> </div> </body> </html>
#chart { height: 440px; }