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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<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 } 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,
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/${name}.png`;
}
let 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/
System.config({
transpiler: 'ts',
typescriptOptions: {
module: "system",
emitDecoratorMetadata: true,
experimentalDecorators: true
},
meta: {
'typescript': {
"exports": "ts"
},
'devextreme/dist/js/vectormap-data/*': {
'esModule': true
},
},
paths: {
'npm:': 'https://unpkg.com/'
},
map: {
'ts': 'npm:plugin-typescript@8.0.0/lib/plugin.js',
'typescript': 'npm:typescript@3.4.5/lib/typescript.js',
'@angular': 'npm:@angular',
'tslib': 'npm:tslib/tslib.js',
'rxjs': 'npm:rxjs',
'devextreme/dist/js/vectormap-data': 'npm:devextreme@20.1/dist/js/vectormap-data',
'devextreme': 'npm:devextreme@20.1',
'jszip': 'npm:jszip@3.1.3/dist/jszip.min.js',
'quill': 'npm:quill@1.3.7/dist/quill.js',
'devexpress-diagram': 'npm:devexpress-diagram@1.0.5',
'devexpress-gantt': 'npm:devexpress-gantt@1.0.3',
'devextreme-angular': 'npm:devextreme-angular@20.1'
},
packages: {
'app': {
main: './app.component.ts',
defaultExtension: 'ts'
},
'devextreme': {
defaultExtension: 'js'
},
'devextreme/events/utils': {
main: 'index'
},
'devextreme/events': {
main: 'index'
},
},
packageConfigPaths: [
"npm:*/package.json",
"npm:@angular/*/package.json",
"npm:@angular/common/*/package.json",
"npm:rxjs/operators/package.json",
"npm:devextreme-angular@20.1/*/package.json",
"npm:devextreme-angular@20.1/ui/*/package.json",
]
});
<!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/20.1.4/css/dx.common.css" />
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.1.4/css/dx.light.css" />
<script src="https://unpkg.com/core-js@2.4.1/client/shim.min.js"></script>
<script src="https://unpkg.com/zone.js@0.10.2/dist/zone.js"></script>
<script src="https://unpkg.com/reflect-metadata@0.1.3/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>