Pie Markers
Documentation
This demo shows how to use markers of the «pie» type in the VectorMap. Values for pie markers are provided by the data field whose name is assigned to the dataField property.
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<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"
name="pies"
elementType="pie"
dataField="values"
></dxi-layer>
<dxi-legend [customizeText]="customizeText">
<dxo-source layer="pies" grouping="color"></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;
names: string[];
constructor(service: Service) {
this.markers = service.getMarkers();
this.names = service.getNames();
this.customizeText = this.customizeText.bind(this);
}
customizeText(arg) {
return this.names[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);
::ng-deep #vector-map {
height: 440px;
}
::ng-deep .country {
font-size: 15px;
font-weight: 500;
}
import { Injectable } from '@angular/core';
export class FeatureCollection {
type: string;
features: Feature[];
}
export class Feature {
type: string;
properties: FeatureProperty;
geometry: FeatureGeometry;
}
export class FeatureProperty {
values: number[];
tooltip: string;
}
export class FeatureGeometry {
type: string;
coordinates: number[];
}
const names: string[] = ['Christian', 'Muslim', 'Unaffiliated', 'Buddhist', 'Jewish'];
const markers: FeatureCollection = {
type: 'FeatureCollection',
features: [{
coordinates: [34.6, -5.1],
values: [61.4, 35.2, 1.4, 0, 0],
country: 'Tanzania',
}, {
coordinates: [18.8, 15],
values: [40.6, 55.3, 2.5, 0, 0],
country: 'Chad',
}, {
coordinates: [7.36, 9.97],
values: [49.3, 48.8, 0.4, 0, 0],
country: 'Nigeria',
}, {
coordinates: [135.61, -24.57],
values: [67.3, 2.4, 24.2, 2.7, 0.5],
country: 'Australia',
}, {
coordinates: [103.3, 34.85],
values: [5.1, 1.8, 52.2, 18.2, 0],
country: 'China',
}, {
coordinates: [139.5, 37],
values: [1.6, 0.2, 57, 36.2, 0],
country: 'Japan',
}, {
coordinates: [100.8, 15.9],
values: [0.9, 5.5, 0.3, 93.2, 0],
country: 'Thailand',
}, {
coordinates: [10.4, 51.4],
values: [68.7, 5.8, 24.7, 0.3, 0.3],
country: 'Germany',
}, {
coordinates: [100.8, 65.3],
values: [73.3, 10, 16.2, 0.1, 0.2],
country: 'Russia',
}, {
coordinates: [-3.48, 40.36],
values: [78.6, 2.1, 19, 0, 0.1],
country: 'Spain',
}, {
coordinates: [-78.01, 21.72],
values: [59.2, 0, 23, 0, 0],
country: 'Cuba',
}, {
coordinates: [-63.7, -31.92],
values: [85.2, 1, 12.2, 0.05, 0.5],
country: 'Argentina',
}, {
coordinates: [-110.53, 60.78],
values: [69, 2.1, 23.7, 0.5, 0.3],
country: 'Canada',
}, {
coordinates: [-100.1, 40.14],
values: [78.3, 0.9, 16.4, 1.2, 1.8],
country: 'United States',
}, {
coordinates: [34.88, 31.16],
values: [2, 18.6, 3.1, 0.3, 75.6],
country: 'Israel',
}].map((data) => {
const list = [`<span class='country'>${data.country}</span>`, ' '];
data.values.forEach((value, i) => {
if (value > 0) {
list.push(`${names[i]}: ${value}%`);
}
});
return {
type: 'Feature',
geometry: {
type: 'Point',
coordinates: data.coordinates,
},
properties: {
tooltip: list.join('\n'),
values: data.values,
},
};
}),
};
@Injectable()
export class Service {
getMarkers(): FeatureCollection {
return markers;
}
getNames(): string[] {
return names;
}
}
// 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: {
'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',
'devextreme/dist/js/vectormap-data': 'js/vectormap-data',
'rrule': 'npm:rrule@2.6.4/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@22.2.6/cjs',
'devextreme/bundles/dx.all': 'npm:devextreme@22.2.6/bundles/dx.all.js',
'jszip': 'npm:jszip@3.7.1/dist/jszip.min.js',
'devextreme-quill': 'npm:devextreme-quill@1.5.20/dist/dx-quill.min.js',
'devexpress-diagram': 'npm:devexpress-diagram@2.1.72',
'devexpress-gantt': 'npm:devexpress-gantt@4.1.43',
'devextreme-angular': 'npm:devextreme-angular@22.2.6',
'@devextreme/runtime': 'npm:@devextreme/runtime@3.0.11',
'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@3.0.11/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@22.2.6/*/package.json',
'npm:devextreme-angular@22.2.6/ui/*/package.json',
'npm:devextreme-angular@22.2.6/package.json',
'npm:devexpress-diagram@2.1.72/package.json',
'npm:devexpress-gantt@4.1.43/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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<div class="demo-container">
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</div>
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