Area with Labels and Two Legends
Documentation
The VectorMap component allows you to use color and size indicators to better illustrate the values associated with areas/markers. Use map legends to provide additional information on colors and marker size.
Feel free to share demo-related thoughts here.
If you have technical questions, please create a support ticket in the DevExpress Support Center.
If you have technical questions, please create a support ticket in the DevExpress Support Center.
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<dx-vector-map
id="vector-map"
[bounds]="[-180, 85, 180, -75]">
<dxo-tooltip
[enabled]="true"
[customizeTooltip]="customizeTooltip"></dxo-tooltip>
<dxi-layer
[dataSource]="worldMap"
name="areas"
palette="Violet"
[colorGroups]="[0, 0.5, 0.8, 1, 2, 3, 100]"
colorGroupingField="population"
[customize]="customizeLayers">
<dxo-label [enabled]="true" dataField="name"></dxo-label>
</dxi-layer>
<dxi-layer
[dataSource]="markers"
name="markers"
elementType="bubble"
dataField="value"
[sizeGroups]="[0, 8000, 10000, 50000]"
opacity="0.8">
<dxo-label [enabled]="false"></dxo-label>
</dxi-layer>
<dxi-legend
title = "World Population<br/>Percentages"
horizontalAlignment="left"
verticalAlignment="bottom"
[customizeItems]="customizeItems"
[customizeText]="customizeText">
<dxo-source layer="areas" grouping="color"></dxo-source>
</dxi-legend>
<dxi-legend
title="City Population"
markerShape="circle"
horizontalAlignment="right"
verticalAlignment="bottom"
[customizeItems]="customizeItems"
[customizeText]="customizeMarkers">
<dxo-source layer="markers" 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 'devextreme/dist/js/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;
populations: Object;
constructor(service: Service) {
this.markers = service.getMarkers();
this.populations = service.getPopulations();
this.customizeLayers = this.customizeLayers.bind(this);
}
customizeText(arg) {
if(arg.index === 0) {
return "< 0.5%";
} else if (arg.index === 5) {
return "> 3%";
} else {
return arg.start + "% to " + arg.end + "%";
}
}
customizeTooltip(arg) {
return {
text: arg.attribute("text")
};
}
customizeItems(items) {
return items.reverse();
}
customizeLayers(elements) {
elements.forEach((element) => {
let name = element.attribute("name"),
population = this.populations[name];
if (population) {
element.attribute("population", population);
}
});
}
customizeMarkers(arg) {
return ["< 8000K", "8000K to 10000K", "> 10000K"][arg.index];
}
}
@NgModule({
imports: [
BrowserModule,
DxVectorMapModule
],
declarations: [AppComponent],
bootstrap: [AppComponent]
})
export class AppModule { }
platformBrowserDynamic().bootstrapModule(AppModule);
::ng-deep #vector-map {
height: 700px;
}
import { Injectable } from '@angular/core';
export class FeatureCollection {
type: string;
features: Feature[];
}
export class Feature {
type: string;
properties: FeatureProperty;
geometry: FeatureGeometry;
}
export class FeatureProperty {
value: number;
text: string;
}
export class FeatureGeometry {
type: string;
coordinates: number[];
}
let populations: Object = {
"China": 19,
"India": 17.4,
"United States": 4.44,
"Indonesia": 3.45,
"Brazil": 2.83,
"Nigeria": 2.42,
"Bangladesh": 2.18,
"Russia": 2.04,
"Japan": 1.77,
"Mexico": 1.67,
"Philippines": 1.39,
"Vietnam": 1.25,
"Ethiopia": 1.23,
"Egypt": 1.21,
"Germany": 1.13,
"Turkey": 1.07,
"Democratic Republic of the Congo": 0.94,
"France": 0.92,
"Thailand": 0.9,
"United Kingdom": 0.89,
"Italy": 0.85,
"Burma": 0.84,
"South Africa": 0.74,
"South Korea": 0.7,
"Colombia": 0.66,
"Spain": 0.65,
"Tanzania": 0.63,
"Kenya": 0.62,
"Ukraine": 0.6,
"Argentina": 0.59,
"Algeria": 0.54,
"Poland": 0.54,
"Sudan": 0.52,
"Canada": 0.49,
"Uganda": 0.49,
"Morocco": 0.46,
"Uzbekistan": 0.43
};
let markers: FeatureCollection = {
type: "FeatureCollection",
features: [
{
coordinates: [-74, 40.7],
text: 'New York City',
value: 8406
},
{
coordinates: [100.47, 13.75],
text: 'Bangkok',
value: 8281
},
{
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
}
].map(function (data) {
return {
type: "Feature",
geometry: {
type: "Point",
coordinates: data.coordinates
},
properties: {
value: data.value,
text: data.text
}
};
})
};
@Injectable()
export class Service {
getPopulations(): Object {
return populations;
}
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 and DevExtreme here:
// https://js.devexpress.com/Documentation/Guide/Angular_Components/Getting_Started/Create_a_DevExtreme_Application/
window.config = {
transpiler: 'ts',
typescriptOptions: {
module: "system",
emitDecoratorMetadata: true,
experimentalDecorators: true
},
meta: {
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"exports": "ts"
},
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},
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},
},
paths: {
'npm:': 'https://unpkg.com/'
},
map: {
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'typescript': 'npm:typescript@3.5.3/lib/typescript.js',
'@angular': 'npm:@angular',
'tslib': 'npm:tslib@2.3.0/tslib.js',
'rxjs': 'npm:rxjs@6.4.0',
'devextreme/dist/js/vectormap-data': 'js/vectormap-data',
'rrule': 'npm:rrule@2.6.6/dist/es5/rrule.js',
'luxon': 'npm:luxon@1.28.0/build/global/luxon.min.js',
'es6-object-assign': 'npm:es6-object-assign@1.1.0',
'devextreme': 'npm:devextreme@21.1.5/cjs',
'devextreme/bundles/dx.all': 'npm:devextreme@21.1.5/bundles/dx.all.js',
'jszip': 'npm:jszip@3.7.0/dist/jszip.min.js',
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'devexpress-gantt': 'npm:devexpress-gantt@3.0.4',
'devextreme-angular': 'npm:devextreme-angular@21.1.5',
'@devextreme/vdom': 'npm:@devextreme/vdom@1.2.2',
'inferno': 'npm:inferno@7.4.8/dist/inferno.min.js',
'inferno-compat': 'npm:inferno-compat@7.4.8/dist/inferno-compat.min.js',
'inferno-create-element': 'npm:inferno-create-element@7.4.8/dist/inferno-create-element.min.js',
'inferno-dom': 'npm:inferno-dom@1.0.7/dist/inferno-dom.min.js',
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'inferno-clone-vnode': 'npm:inferno-clone-vnode@7.4.8/dist/inferno-clone-vnode.min.js',
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'inferno-extras': 'npm:inferno-extras@7.4.8/dist/inferno-extras.min.js'
},
packages: {
'app': {
main: './app.component.ts',
defaultExtension: 'ts'
},
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defaultExtension: 'js'
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'@devextreme/vdom': {
defaultExtension: 'js'
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'devextreme/events/utils': {
main: 'index'
},
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main: 'index'
},
'es6-object-assign': {
main: './index.js',
defaultExtension: 'js'
}
},
packageConfigPaths: [
"npm:@devextreme/*/package.json",
"npm:@angular/*/package.json",
"npm:@angular/common/*/package.json",
"npm:rxjs/package.json",
"npm:rxjs/operators/package.json",
"npm:devextreme-angular/*/package.json",
"npm:devextreme-angular/ui/*/package.json",
"npm:devextreme-angular/package.json",
"npm:devexpress-diagram/package.json",
"npm:devexpress-gantt/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" />
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<script src="config.js"></script>
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<div class="demo-container">
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