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.
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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: any = 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/localization.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@2.3.1/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',
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'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@23.1.6/cjs',
'devextreme/bundles/dx.all': 'npm:devextreme@23.1.6/bundles/dx.all.js',
'jszip': 'npm:jszip@3.7.1/dist/jszip.min.js',
'devextreme-quill': 'npm:devextreme-quill@1.6.2/dist/dx-quill.min.js',
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'@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@23.1.6/*/package.json',
'npm:devextreme-angular@23.1.6/ui/*/package.json',
'npm:devextreme-angular@23.1.6/package.json',
'npm:devexpress-diagram@2.2.2/package.json',
'npm:devexpress-gantt@4.1.49/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/23.1.5/css/dx.light.css" />
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<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>