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Image Markers

Documentation

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
<dx-vector-map id="vector-map" [bounds]="[-118, 52, -80, 20]"> <dxo-loading-indicator [show]="true"></dxo-loading-indicator> <dxi-layer [dataSource]="usaMap" borderColor="#ffffff" [hoverEnabled]="false" ></dxi-layer> <dxi-layer [dataSource]="weather" dataField="url" elementType="image" type="marker" [size]="51" > <dxo-label dataField="text"> <dxo-font [size]="14"></dxo-font> </dxo-label> </dxi-layer> </dx-vector-map>
import { NgModule, Component, enableProdMode } from '@angular/core'; import { BrowserModule, BrowserTransferStateModule } from '@angular/platform-browser'; import { platformBrowserDynamic } from '@angular/platform-browser-dynamic'; import { DxVectorMapModule } from 'devextreme-angular'; import * as mapsData from 'devextreme-dist/js/vectormap-data/usa.js'; import { FeatureCollection, Service } from './app.service'; if (!/localhost/.test(document.location.host)) { enableProdMode(); } @Component({ selector: 'demo-app', providers: [Service], templateUrl: 'app/app.component.html', styleUrls: ['app/app.component.css'], }) export class AppComponent { usaMap = mapsData.usa; weather: FeatureCollection; constructor(service: Service) { this.weather = service.getWeatherData(); } } @NgModule({ imports: [ BrowserModule, BrowserTransferStateModule, DxVectorMapModule, ], declarations: [AppComponent], bootstrap: [AppComponent], }) export class AppModule { } platformBrowserDynamic().bootstrapModule(AppModule);
::ng-deep #vector-map { height: 440px; }
import { Injectable } from '@angular/core'; export class FeatureCollection { type: string; features: Feature[]; } export class Feature { type: string; properties: FeatureProperty; geometry: FeatureGeometry; } export class FeatureProperty { text: string; url: string; } export class FeatureGeometry { type: string; coordinates: number[]; } function getImageUrl(name): string { return `../../../../images/VectorMap/${name}.png`; } const weatherData: FeatureCollection = { 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', }, }], }; @Injectable() export class Service { getWeatherData(): FeatureCollection { return weatherData; } }
// In real applications, you should not transpile code in the browser. // You can see how to create your own application with Angular and DevExtreme here: // https://js.devexpress.com/Documentation/Guide/Angular_Components/Getting_Started/Create_a_DevExtreme_Application/ window.exports = window.exports || {}; window.config = { transpiler: 'ts', typescriptOptions: { module: 'system', emitDecoratorMetadata: true, experimentalDecorators: true, }, meta: { 'typescript': { 'exports': 'ts', }, 'devextreme-dist/js/vectormap-data/*': { 'esModule': true, }, 'devextreme/time_zone_utils.js': { 'esModule': true, }, 'devextreme/localization.js': { 'esModule': true, }, 'devextreme/viz/palette.js': { 'esModule': true, }, }, paths: { 'npm:': 'https://unpkg.com/', }, map: { 'ts': 'npm:plugin-typescript@4.2.4/lib/plugin.js', 'typescript': 'npm:typescript@4.2.4/lib/typescript.js', '@angular/core': 'npm:@angular/core@12.2.17', '@angular/platform-browser': 'npm:@angular/platform-browser@12.2.17', '@angular/platform-browser-dynamic': 'npm:@angular/platform-browser-dynamic@12.2.17', '@angular/forms': 'npm:@angular/forms@12.2.17', '@angular/common': 'npm:@angular/common@12.2.17', '@angular/compiler': 'npm:@angular/compiler@12.2.17', 'tslib': 'npm:tslib@2.6.2/tslib.js', 'rxjs': 'npm:rxjs@7.5.3/dist/bundles/rxjs.umd.js', 'rxjs/operators': 'npm:rxjs@7.5.3/dist/cjs/operators/index.js', 'devextreme-dist/js/vectormap-data': 'npm:devextreme-dist@23.2.5/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@23.2.5/cjs', 'devextreme/bundles/dx.all': 'npm:devextreme@23.2.5/bundles/dx.all.js', 'jszip': 'npm:jszip@3.10.1/dist/jszip.min.js', 'devextreme-quill': 'npm:devextreme-quill@1.6.4/dist/dx-quill.min.js', 'devexpress-diagram': 'npm:devexpress-diagram@2.2.5', 'devexpress-gantt': 'npm:devexpress-gantt@4.1.51', 'devextreme-angular': 'npm:devextreme-angular@23.2.5', '@devextreme/runtime': 'npm:@devextreme/runtime@3.0.12', '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', // Prettier 'prettier/standalone': 'npm:prettier@2.8.4/standalone.js', 'prettier/parser-html': 'npm:prettier@2.8.4/parser-html.js', }, packages: { 'app': { main: './app.component.ts', defaultExtension: 'ts', }, 'devextreme': { defaultExtension: 'js', }, 'devextreme/events/utils': { main: 'index', }, 'devextreme/events': { main: 'index', }, 'es6-object-assign': { main: './index.js', defaultExtension: 'js', }, 'rxjs': { defaultExtension: 'js', }, 'rxjs/operators': { defaultExtension: 'js', }, }, packageConfigPaths: [ 'npm:@devextreme/*/package.json', 'npm:@devextreme/runtime@3.0.12/inferno/package.json', 'npm:@angular/*/package.json', 'npm:@angular/common@12.2.17/*/package.json', 'npm:rxjs@7.5.3/package.json', 'npm:rxjs@7.5.3/operators/package.json', 'npm:devextreme-angular@23.2.5/*/package.json', 'npm:devextreme-angular@23.2.5/ui/*/package.json', 'npm:devextreme-angular@23.2.5/package.json', 'npm:devexpress-diagram@2.2.5/package.json', 'npm:devexpress-gantt@4.1.51/package.json', ], }; System.config(window.config);
<!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml"> <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/23.2.5/css/dx.light.css" /> <script src="https://unpkg.com/core-js@2.6.12/client/shim.min.js"></script> <script src="https://unpkg.com/zone.js@0.12.0/dist/zone.js"></script> <script src="https://unpkg.com/reflect-metadata@0.1.13/Reflect.js"></script> <script src="https://unpkg.com/systemjs@0.21.3/dist/system.js"></script> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script> <script>window.jQuery || document.write(decodeURIComponent('%3Cscript src="js/jquery.min.js"%3E%3C/script%3E'))</script> <script src="config.js"></script> <script> System.import("app").catch(console.error.bind(console)); </script> </head> <body class="dx-viewport"> <div class="demo-container"> <demo-app>Loading...</demo-app> </div> </body> </html>