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Bubble Markers

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 property.

Backend API
import React from 'react'; import VectorMap, { ITooltipProps, 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.ts'; const sizeGroups = [0, 8000, 10000, 50000]; const bounds = [-180, 85, 180, -60]; const customizeTooltip: ITooltipProps['customizeTooltip'] = (arg) => { if (arg.layer.type === 'marker') { return { text: arg.attribute('tooltip') }; } return null; }; const customizeText = (arg: { index: string | number; }) => ['< 8000K', '8000K to 10000K', '> 10000K'][arg.index]; const customizeItems = (items: any[]) => items.reverse(); export default function App() { return ( <VectorMap 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} /> </VectorMap> ); }
import React from 'react'; import VectorMap, { 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]; const bounds = [-180, 85, 180, -60]; const customizeTooltip = (arg) => { if (arg.layer.type === 'marker') { return { text: arg.attribute('tooltip') }; } return null; }; const customizeText = (arg) => ['< 8000K', '8000K to 10000K', '> 10000K'][arg.index]; const customizeItems = (items) => items.reverse(); export default function App() { return ( <VectorMap 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} /> </VectorMap> ); }
import React from 'react'; import ReactDOM from 'react-dom'; import App from './App.tsx'; ReactDOM.render( <App />, document.getElementById('app'), );
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) => ({ type: 'Feature', geometry: { type: 'Point', coordinates: data.coordinates, }, properties: { text: data.text, value: data.value, tooltip: `<b>${data.text}</b>\n${data.value}K`, }, })), };
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, }, 'devextreme-dist/js/vectormap-data/*': { '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', 'devextreme-dist/js/vectormap-data': 'npm:devextreme-dist@24.1.3/js/vectormap-data', '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@24.1.3/cjs', 'devextreme-react': 'npm:devextreme-react@24.1.3/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@2.2.8/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 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) => ({ type: 'Feature', geometry: { type: 'Point', coordinates: data.coordinates, }, properties: { text: data.text, value: data.value, tooltip: `<b>${data.text}</b>\n${data.value}K`, }, })), };
<!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/24.1.3/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>
#vector-map { height: 440px; }