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Image Markers

This demo shows how to use markers of the «image» type in the VectorMap. Each marker on the map represents weather forecast for a particular city.

Backend API
import React from 'react'; import VectorMap, { Label, Layer, Font, LoadingIndicator, } from 'devextreme-react/vector-map'; import * as mapsData from 'devextreme-dist/js/vectormap-data/usa.js'; import { weatherData } from './data.ts'; const bounds = [-118, 52, -80, 20]; const App = () => ( <VectorMap id="vector-map" bounds={bounds}> <Layer dataSource={mapsData.usa} hoverEnabled={false} borderColor="#ffffff" > </Layer> <Layer dataSource={weatherData} type="marker" elementType="image" dataField="url" size={51}> <Label dataField="text"> <Font size={14} /> </Label> </Layer> <LoadingIndicator show={true} /> </VectorMap> ); export default App;
import React from 'react'; import VectorMap, { Label, Layer, Font, LoadingIndicator, } from 'devextreme-react/vector-map'; import * as mapsData from 'devextreme-dist/js/vectormap-data/usa.js'; import { weatherData } from './data.js'; const bounds = [-118, 52, -80, 20]; const App = () => ( <VectorMap id="vector-map" bounds={bounds} > <Layer dataSource={mapsData.usa} hoverEnabled={false} borderColor="#ffffff" ></Layer> <Layer dataSource={weatherData} type="marker" elementType="image" dataField="url" size={51} > <Label dataField="text"> <Font size={14} /> </Label> </Layer> <LoadingIndicator show={true} /> </VectorMap> ); export default App;
import React from 'react'; import ReactDOM from 'react-dom'; import App from './App.tsx'; ReactDOM.render( <App />, document.getElementById('app'), );
function getImageUrl(name: string) { return `../../../../images/VectorMap/${name}.png`; } export const weatherData = { type: 'FeatureCollection', features: [{ type: 'Feature', geometry: { type: 'Point', coordinates: [-74.007118, 40.71455], }, properties: { url: getImageUrl('Storm'), text: 'New York', }, }, { type: 'Feature', geometry: { type: 'Point', coordinates: [-77.016251, 38.904758], }, properties: { url: getImageUrl('Cloudy'), text: 'Washington', }, }, { type: 'Feature', geometry: { type: 'Point', coordinates: [-81.674782, 30.332251], }, properties: { url: getImageUrl('Storm'), text: 'Jacksonville', }, }, { type: 'Feature', geometry: { type: 'Point', coordinates: [-84.423058, 33.763191], }, properties: { url: getImageUrl('Rain'), text: 'Atlanta', }, }, { type: 'Feature', geometry: { type: 'Point', coordinates: [-97.514839, 35.466179], }, properties: { url: getImageUrl('PartlyCloudy'), text: 'Oklahoma City', }, }, { type: 'Feature', geometry: { type: 'Point', coordinates: [-87.632408, 41.884151], }, properties: { url: getImageUrl('Rain'), text: 'Chicago', }, }, { type: 'Feature', geometry: { type: 'Point', coordinates: [-93.103882, 44.947769], }, properties: { url: getImageUrl('PartlyCloudy'), text: 'St. Paul', }, }, { type: 'Feature', geometry: { type: 'Point', coordinates: [-94.626823, 39.113522], }, properties: { url: getImageUrl('Cloudy'), text: 'Kansas City', }, }, { type: 'Feature', geometry: { type: 'Point', coordinates: [-95.381889, 29.775419], }, properties: { url: getImageUrl('Sunny'), text: 'Houston', }, }, { type: 'Feature', geometry: { type: 'Point', coordinates: [-104.991997, 39.740002], }, properties: { url: getImageUrl('PartlyCloudy'), text: 'Denver', }, }, { type: 'Feature', geometry: { type: 'Point', coordinates: [-116.193413, 43.606979], }, properties: { url: getImageUrl('Sunny'), text: 'Boise', }, }, { type: 'Feature', geometry: { type: 'Point', coordinates: [-118.245003, 34.053501], }, properties: { url: getImageUrl('PartlyCloudy'), text: 'Los Angeles', }, }, { type: 'Feature', geometry: { type: 'Point', coordinates: [-121.886002, 37.3386], }, properties: { url: getImageUrl('PartlyCloudy'), text: 'San Jose', }, }, { type: 'Feature', geometry: { type: 'Point', coordinates: [-123.0252, 44.923199], }, properties: { url: getImageUrl('Sunny'), text: 'Salem', }, }, { type: 'Feature', geometry: { type: 'Point', coordinates: [-122.329437, 47.603561], }, properties: { url: getImageUrl('Sunny'), text: 'Seattle', }, }], };
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'));
function getImageUrl(name) { return `../../../../images/VectorMap/${name}.png`; } export const weatherData = { type: 'FeatureCollection', features: [ { type: 'Feature', geometry: { type: 'Point', coordinates: [-74.007118, 40.71455], }, properties: { url: getImageUrl('Storm'), text: 'New York', }, }, { type: 'Feature', geometry: { type: 'Point', coordinates: [-77.016251, 38.904758], }, properties: { url: getImageUrl('Cloudy'), text: 'Washington', }, }, { type: 'Feature', geometry: { type: 'Point', coordinates: [-81.674782, 30.332251], }, properties: { url: getImageUrl('Storm'), text: 'Jacksonville', }, }, { type: 'Feature', geometry: { type: 'Point', coordinates: [-84.423058, 33.763191], }, properties: { url: getImageUrl('Rain'), text: 'Atlanta', }, }, { type: 'Feature', geometry: { type: 'Point', coordinates: [-97.514839, 35.466179], }, properties: { url: getImageUrl('PartlyCloudy'), text: 'Oklahoma City', }, }, { type: 'Feature', geometry: { type: 'Point', coordinates: [-87.632408, 41.884151], }, properties: { url: getImageUrl('Rain'), text: 'Chicago', }, }, { type: 'Feature', geometry: { type: 'Point', coordinates: [-93.103882, 44.947769], }, properties: { url: getImageUrl('PartlyCloudy'), text: 'St. Paul', }, }, { type: 'Feature', geometry: { type: 'Point', coordinates: [-94.626823, 39.113522], }, properties: { url: getImageUrl('Cloudy'), text: 'Kansas City', }, }, { type: 'Feature', geometry: { type: 'Point', coordinates: [-95.381889, 29.775419], }, properties: { url: getImageUrl('Sunny'), text: 'Houston', }, }, { type: 'Feature', geometry: { type: 'Point', coordinates: [-104.991997, 39.740002], }, properties: { url: getImageUrl('PartlyCloudy'), text: 'Denver', }, }, { type: 'Feature', geometry: { type: 'Point', coordinates: [-116.193413, 43.606979], }, properties: { url: getImageUrl('Sunny'), text: 'Boise', }, }, { type: 'Feature', geometry: { type: 'Point', coordinates: [-118.245003, 34.053501], }, properties: { url: getImageUrl('PartlyCloudy'), text: 'Los Angeles', }, }, { type: 'Feature', geometry: { type: 'Point', coordinates: [-121.886002, 37.3386], }, properties: { url: getImageUrl('PartlyCloudy'), text: 'San Jose', }, }, { type: 'Feature', geometry: { type: 'Point', coordinates: [-123.0252, 44.923199], }, properties: { url: getImageUrl('Sunny'), text: 'Salem', }, }, { type: 'Feature', geometry: { type: 'Point', coordinates: [-122.329437, 47.603561], }, properties: { url: getImageUrl('Sunny'), text: 'Seattle', }, }, ], };
<!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; }