Your search did not match any results.
Pie Charts

Palette

Documentation

The PieChart, like other DevExtreme data visualization widgets, provides several built-in palettes. In this demo, you can use the drop-down menus under the widget to choose a palette and change how it is extended when it has an insufficient number of colors.

Copy to CodeSandBox
Apply
Reset
<div class="flex-container"> <dx-pie-chart id="pie" [palette]="palette" [dataSource]="data" [paletteExtensionMode]="paletteExtensionMode"> <dxo-size [width]="500"></dxo-size> <dxo-legend [visible]="false"></dxo-legend> <dxi-series></dxi-series> </dx-pie-chart> <div class="palette-container flex-block"> <div class="palette-item" *ngFor="let color of baseColors" [style.background-color]="color"></div> </div> </div> <div class="options"> <div class="caption">Options</div> <div class="option"> <span>Palette</span> <dx-select-box [items]="paletteCollection" [(value)]="palette"> </dx-select-box> </div> <div class="option"> <span>Palette Extension Mode</span> <dx-select-box [items]="paletteExtensionModes" [(value)]="paletteExtensionMode"> </dx-select-box> </div> </div>
import { NgModule, Component, enableProdMode } from '@angular/core'; import { BrowserModule } from '@angular/platform-browser'; import { platformBrowserDynamic } from '@angular/platform-browser-dynamic'; import { DxPieChartModule, DxSelectBoxModule } from 'devextreme-angular'; import { DataItem, Service } from './app.service'; import { getPalette } from "devextreme/viz/palette"; if(!/localhost/.test(document.location.host)) { enableProdMode(); } @Component({ selector: 'demo-app', templateUrl: 'app/app.component.html', styleUrls: ['app/app.component.css'], providers: [Service], preserveWhitespaces: true }) export class AppComponent { data: DataItem[] paletteCollection: string[] paletteExtensionModes: string[] paletteExtensionMode: string palette: string constructor(service: Service) { this.data = service.getData(); this.paletteExtensionModes = service.getPaletteExtensionModes(); this.paletteCollection = service.getPaletteCollection(); this.palette = this.paletteCollection[0]; this.paletteExtensionMode = "Blend"; } get baseColors() { return getPalette(this.palette).simpleSet; } } @NgModule({ imports: [ BrowserModule, DxPieChartModule, DxSelectBoxModule ], declarations: [AppComponent], bootstrap: [AppComponent] }) export class AppModule { } platformBrowserDynamic().bootstrapModule(AppModule);
.flex-container{ display: flex; justify-content: center; align-items: center; flex-direction: row; } #pie { height: 350px; width: 500px; margin: 20px; } .palette-container{ float: left; } .palette-item{ width: 40px; height: 40px; } .options { padding: 20px; background-color: rgba(191, 191, 191, 0.15); margin-top: 20px; } .caption { font-size: 18px; font-weight: 500; } .option { display: inline-block; margin-right: 70px; margin-top: 5px; } .option > span { margin: 0 10px 0 0; } .option > .dx-widget { display: inline-block; vertical-align: middle; }
import { Injectable } from '@angular/core'; export class DataItem { arg: string; val: number; } @Injectable() export class Service { getData(): DataItem[] { return new Array(20).fill(1).map((val, index) => { return { arg: "Item" + index, val: val } }); } getPaletteCollection(): string[] { return ["Material", "Soft Pastel", "Harmony Light", "Pastel", "Bright", "Soft", "Ocean", "Office", "Vintage", "Violet", "Carmine", "Dark Moon", "Soft Blue", "Dark Violet", "Green Mist"]; } getPaletteExtensionModes(): string[] { return ["Alternate", "Blend", "Extrapolate"]; } }
// 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@7.1.3/bundles/core.umd.js', '@angular/common': 'npm:@angular/common@7.1.3/bundles/common.umd.js', '@angular/compiler': 'npm:@angular/compiler@7.1.3/bundles/compiler.umd.js', '@angular/platform-browser': 'npm:@angular/platform-browser@7.1.3/bundles/platform-browser.umd.js', '@angular/platform-browser-dynamic': 'npm:@angular/platform-browser-dynamic@7.1.3/bundles/platform-browser-dynamic.umd.js', '@angular/router': 'npm:@angular/router@7.1.3/bundles/router.umd.js', '@angular/forms': 'npm:@angular/forms@7.1.3/bundles/forms.umd.js', '@angular/common/http': 'npm:@angular/common@7.1.3/bundles/common-http.umd.js', 'tslib': 'npm:tslib/tslib.js', 'rxjs': 'npm:rxjs@6.3.3', 'rxjs/operators': 'npm:rxjs@6.3.3/operators', 'devextreme': 'npm:devextreme@19.1', 'jszip': 'npm:jszip@3.1.3/dist/jszip.min.js', 'quill': 'npm:quill@1.3.6/dist/quill.js', 'devexpress-diagram': 'npm:devexpress-diagram', 'devextreme-angular': 'npm:devextreme-angular@19.1' }, packages: { 'app': { main: './app.component.ts', defaultExtension: 'ts' }, 'devextreme': { defaultExtension: 'js' }, 'rxjs': { main: 'index.js', defaultExtension: 'js' }, 'rxjs/operators': { main: 'index.js', 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/19.1.3/css/dx.common.css" /> <link rel="dx-theme" data-theme="generic.light" href="https://cdn3.devexpress.com/jslib/19.1.3/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@0.21.3/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>