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Pie Charts

Pie with Small Values Grouped

Documentation
In this example, the PieChart widget combines all values below the threshold option in one category called "others".
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<dx-pie-chart id="pie" title="Top internet languages" palette="bright" [dataSource]="internetLanguages"> <dxo-legend horizontalAlignment="center" verticalAlignment="bottom"></dxo-legend> <dxo-export [enabled]="true"></dxo-export> <dxi-series argumentField="language" valueField="percent"> <dxo-label [visible]="true" format="fixedPoint" [customizeText]="customizeLabel"> <dxo-connector [visible]="true" [width]="0.5"></dxo-connector> </dxo-label> <dxo-small-values-grouping mode="smallValueThreshold" [threshold]="4.5"></dxo-small-values-grouping> </dxi-series> </dx-pie-chart>
import { NgModule, Component, enableProdMode } from '@angular/core'; import { BrowserModule } from '@angular/platform-browser'; import { platformBrowserDynamic } from '@angular/platform-browser-dynamic'; import { DxPieChartModule } from 'devextreme-angular'; import { LanguageData, Service } from './app.service'; if(!/localhost/.test(document.location.host)) { enableProdMode(); } @Component({ selector: 'demo-app', templateUrl: 'app/app.component.html', styleUrls: ['app/app.component.css'], providers: [Service] }) export class AppComponent { internetLanguages: LanguageData[]; constructor(service: Service) { this.internetLanguages = service.getLanguagesData(); } customizeLabel(point) { return point.argumentText + ": " + point.valueText + "%"; } } @NgModule({ imports: [ BrowserModule, DxPieChartModule ], declarations: [AppComponent], bootstrap: [AppComponent] }) export class AppModule { } platformBrowserDynamic().bootstrapModule(AppModule);
/deep/ #pie { height: 440px; }
import { Injectable } from '@angular/core'; export class LanguageData { language: string; percent: number; } let languages: LanguageData[] = [{ language: "English", percent: 55.5 }, { language: "Chinese", percent: 2.8 }, { language: "Spanish", percent: 4.6 }, { language: "Japanese", percent: 5.0 }, { language: "Portuguese", percent: 2.5 }, { language: "German", percent: 5.8 }, { language: "French", percent: 4.0 }, { language: "Russian", percent: 5.9 }, { language: "Italian", percent: 1.9 }, { language: "Polish", percent: 1.7 }, { language: "Turkish", percent: 1.5 }, { language: "Dutch", percent: 1.3 }, { language: "Persian", percent: 0.9 }, { language: "Arabic", percent: 0.8 }, { language: "Korean", percent: 0.7 }, { language: "Czech", percent: 0.7 }, { language: "Swedish", percent: 0.5 }, { language: "Vietnamese", percent: 0.4 }, { language: "Indonesian", percent: 0.4 }, { language: "Greek", percent: 0.4 }, { language: "Romanian", percent: 0.4 }, { language: "Hungarian", percent: 0.3 }, { language: "Danish", percent: 0.3 }, { language: "Thai", percent: 0.3 }, { language: "Finnish", percent: 0.2 }, { language: "Slovak", percent: 0.2 }, { language: "Bulgarian", percent: 0.2 }, { language: "Norwegian", percent: 0.2 }, { language: "Hebrew", percent: 0.1 }, { language: "Lithuanian", percent: 0.1 }, { language: "Croatian", percent: 0.1 }, { language: "Ukrainian", percent: 0.1 }, { language: "Norwegian Bokmål", percent: 0.1 }, { language: "Serbian", percent: 0.1 }, { language: "Catalan", percent: 0.1 }, { language: "Slovenian", percent: 0.1 }, { language: "Latvian", percent: 0.1 }, { language: "Estonian", percent: 0.1 }]; @Injectable() export class Service { getLanguagesData(): LanguageData[] { return languages; } }
// 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://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', '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/17.1.7/css/dx.spa.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/17.1.7/css/dx.common.css" /> <link rel="dx-theme" data-theme="generic.light" href="https://cdn3.devexpress.com/jslib/17.1.7/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="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>