Documentation
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 option.
<dx-vector-map
id="vector-map"
[bounds]="[-180, 85, 180, -60]">
<dxo-tooltip
[enabled]="true"
[customizeTooltip]="customizeTooltip"></dxo-tooltip>
<dxi-layer
[dataSource]="worldMap"
[hoverEnabled]="false"></dxi-layer>
<dxi-layer
[dataSource]="markers"
[minSize]="20"
[maxSize]="40"
[sizeGroups]="[0, 8000, 10000, 50000]"
name="bubbles"
elementType="bubble"
dataField="value"></dxi-layer>
<dxi-legend markerShape="circle" [customizeText]="customizeText">
<dxo-source layer="bubbles" grouping="size"></dxo-source>
</dxi-legend>
</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 'vectormap-data/world.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 {
worldMap: any = mapsData.world;
markers: FeatureCollection;
constructor(service: Service) {
this.markers = service.getMarkers();
}
customizeText(arg) {
return ["< 8000K", "8000K to 10000K", "> 10000K"][arg.index];
}
customizeTooltip(arg) {
if(arg.layer.type === "marker") {
return {
text: arg.attribute("tooltip")
};
}
}
}
@NgModule({
imports: [
BrowserModule,
DxVectorMapModule
],
declarations: [AppComponent],
bootstrap: [AppComponent]
})
export class AppModule { }
platformBrowserDynamic().bootstrapModule(AppModule);
/deep/ #vector-map {
height: 440px;
width: 100%;
display: block;
}
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;
value: number;
tooltip: string;
}
export class FeatureGeometry {
type: string;
coordinates: number[];
}
let markers: FeatureCollection = {
type: "FeatureCollection",
features: (<any> window).$.map([
{
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
}
], function (data) {
return {
type: "Feature",
geometry: {
type: "Point",
coordinates: data.coordinates
},
properties: {
text: data.text,
value: data.value,
tooltip: "<b>" + data.text + "</b>\n" + data.value + "K"
}
}
})
};
@Injectable()
export class Service {
getMarkers(): FeatureCollection {
return markers;
}
}
// In real applications, you should not transpile code in the browser. You can see how to create your own application with Angular 2 and DevExtreme here:
// https://github.com/DevExpress/devextreme-angular/blob/master/README.md
System.config({
transpiler: 'ts',
typescriptOptions: {
module: "commonjs",
emitDecoratorMetadata: true,
experimentalDecorators: true
},
meta: {
'typescript': {
"exports": "ts"
}
},
paths: {
'npm:': 'https://unpkg.com/'
},
map: {
'ts': 'npm:plugin-typescript@7.0.6/lib/plugin.js',
'typescript': 'npm:typescript@2.2.2/lib/typescript.js',
'@angular/core': 'npm:@angular/core@4.1.0/bundles/core.umd.js',
'@angular/common': 'npm:@angular/common@4.1.0/bundles/common.umd.js',
'@angular/compiler': 'npm:@angular/compiler@4.1.0/bundles/compiler.umd.js',
'@angular/platform-browser': 'npm:@angular/platform-browser@4.1.0/bundles/platform-browser.umd.js',
'@angular/platform-browser-dynamic': 'npm:@angular/platform-browser-dynamic@4.1.0/bundles/platform-browser-dynamic.umd.js',
'@angular/http': 'npm:@angular/http@4.1.0/bundles/http.umd.js',
'@angular/router': 'npm:@angular/router@4.1.0/bundles/router.umd.js',
'@angular/forms': 'npm:@angular/forms@4.1.0/bundles/forms.umd.js',
'rxjs': 'npm:rxjs@5.3.1',
'devextreme': 'npm:devextreme@17.1',
'vectormap-data': 'npm:devextreme@17.1/dist/js/vectormap-data',
'jquery': 'npm:jquery@3.1.1/dist/jquery.min.js',
'jszip': 'npm:jszip@3.1.3/dist/jszip.min.js',
'devextreme-angular': 'npm:devextreme-angular@17.1'
},
packages: {
'app': {
main: './app.component.ts',
defaultExtension: 'ts'
},
'devextreme': {
defaultExtension: 'js'
},
'devextreme-angular': {
main: 'index.js',
defaultExtension: 'js'
}
}
});
<!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/17.1.5/css/dx.spa.css" />
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/17.1.5/css/dx.common.css" />
<link rel="dx-theme" data-theme="generic.light" href="https://cdn3.devexpress.com/jslib/17.1.5/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@0.6.25/dist/zone.js"></script>
<script src="https://unpkg.com/reflect-metadata@0.1.3/Reflect.js"></script>
<script src="https://unpkg.com/systemjs@0.19.31/dist/system.js"></script>
<script src="js/jquery-3.1.0.min.js"></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>