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Vector Map

Bubble Markers

Documentation

This example demonstrates how you can flag specific locations on the VectorMap using markers of the «bubble» type. Marker size depends upon the attribute specified by the dataField option.

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import React from 'react'; import Map, { Label, Layer, Legend, Source, Tooltip } from 'devextreme-react/vector-map'; import * as mapsData from 'devextreme/dist/js/vectormap-data/world.js'; import { markers } from './data.js'; const sizeGroups = [0, 8000, 10000, 50000]; function customizeTooltip(arg) { if (arg.layer.type === 'marker') { return { text: arg.attribute('tooltip') }; } } function customizeText(arg) { return ['< 8000K', '8000K to 10000K', '> 10000K'][arg.index]; } function customizeItems(items) { return items.reverse(); } const bounds = [-180, 85, 180, -60]; const App = function() { return ( <Map id={'vector-map'} bounds={bounds}> <Layer dataSource={mapsData.world} hoverEnabled={false}> </Layer> <Layer dataSource={markers} name={'bubbles'} elementType={'bubble'} dataField={'value'} minSize={20} maxSize={40} sizeGroups={sizeGroups} opacity={'0.8'}> <Label enabled={false}></Label> </Layer> <Tooltip enabled={true} customizeTooltip={customizeTooltip} ></Tooltip> <Legend markerShape={'circle'} customizeItems={customizeItems} customizeText={customizeText}> <Source layer={'bubbles'} grouping={'size'}></Source> </Legend> <Tooltip enabled={true} customizeTooltip={customizeTooltip} /> </Map> ); }; 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/19.2.3/css/dx.common.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/19.2.3/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>
#vector-map { height: 440px; }
export const markers = { type: 'FeatureCollection', features: [ { coordinates: [-74, 40.7], text: 'New York City', value: 8406 }, { coordinates: [100.47, 13.75], text: 'Bangkok', value: 8281 }, { coordinates: [44.43, 33.33], text: 'Baghdad', value: 7181 }, { coordinates: [37.62, 55.75], text: 'Moscow', value: 12111 }, { coordinates: [121.5, 31.2], text: 'Shanghai', value: 24150 }, { coordinates: [-43.18, -22.9], text: 'Rio de Janeiro', value: 6429 }, { coordinates: [31.23, 30.05], text: 'Cairo', value: 8922 }, { coordinates: [28.95, 41], text: 'Istanbul', value: 14160 }, { coordinates: [127, 37.55], text: 'Seoul', value: 10388 }, { coordinates: [139.68, 35.68], text: 'Tokyo', value: 9071 }, { coordinates: [103.83, 1.28], text: 'Singapore', value: 5399 }, { coordinates: [30.3, 59.95], text: 'Saint Petersburg', value: 5131 }, { coordinates: [28.03, -26.2], text: 'Johannesburg', value: 4434 }, { coordinates: [144.95, -37.8], text: 'Melbourne', value: 4252 } ].map(data => { return { type: 'Feature', geometry: { type: 'Point', coordinates: data.coordinates }, properties: { text: data.text, value: data.value, tooltip: `<b>${ data.text }</b>\n${ data.value }K` } }; }) };
System.config({ transpiler: 'plugin-babel', meta: { 'devextreme/dist/js/vectormap-data/*': { esModule: true } }, 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@19.2', 'devextreme/dist/js/vectormap-data': 'npm:devextreme@19.2/dist/js/vectormap-data', 'devextreme-react': 'npm:devextreme-react@19.2', 'jszip': 'npm:jszip@3.1.3/dist/jszip.min.js', 'quill': 'npm:quill@1.3.7/dist/quill.js', 'devexpress-diagram': 'npm:devexpress-diagram', 'devexpress-gantt': 'npm:devexpress-gantt', // 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 } });