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Charts

Dynamic Series from the DataSource

Documentation

In this example, data for series is provided in a peculiar manner. Each object in the data source represents a point in a single series. To define series in this case, use the seriesTemplate object where you need to specify the data field providing series names and custom settings for a given series. Settings common to all series must be set within the commonSeriesSettings object. Providing data in this manner is useful when the number of points within a single series changes over time.

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<dx-chart id="chart" [dataSource]="productionData" palette="violet"> <dxo-common-series-settings argumentField="country" type="bar" valueField="oil" > </dxo-common-series-settings> <dxo-series-template nameField="year" [customizeSeries]="customizeSeries"> </dxo-series-template> <dxo-title text="Oil Production"> <dxo-subtitle text="(in millions tonnes)"></dxo-subtitle> </dxo-title> <dxo-legend verticalAlignment="bottom" horizontalAlignment="center"> </dxo-legend> <dxo-export [enabled]="true"></dxo-export> </dx-chart>
import { NgModule, Component, enableProdMode } from '@angular/core'; import { BrowserModule } from '@angular/platform-browser'; import { platformBrowserDynamic } from '@angular/platform-browser-dynamic'; import { DxChartModule } from 'devextreme-angular'; import { Service, Production } 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 { productionData: Production[]; constructor(service: Service) { this.productionData = service.getProductionData(); } customizeSeries(valueFromNameField: number) { return valueFromNameField === 2009 ? { type: 'line', label: { visible: true }, color: '#ff3f7a' } : {}; } } @NgModule({ imports: [ BrowserModule, DxChartModule, ], declarations: [AppComponent], bootstrap: [AppComponent], }) export class AppModule { } platformBrowserDynamic().bootstrapModule(AppModule);
::ng-deep #chart { height: 440px; width: 100%; }
import { Injectable } from '@angular/core'; export class Production { year: number; country: string; oil: number; } const productionData: Production[] = [{ year: 1970, country: 'Saudi Arabia', oil: 192.2, }, { year: 1970, country: 'USA', oil: 533.5, }, { year: 1970, country: 'Iran', oil: 192.6, }, { year: 1970, country: 'Mexico', oil: 24.2, }, { year: 1980, country: 'Saudi Arabia', oil: 509.8, }, { year: 1980, country: 'USA', oil: 480.2, }, { year: 1980, country: 'Iran', oil: 74.3, }, { year: 1980, country: 'Mexico', oil: 107.2, }, { year: 1990, country: 'Saudi Arabia', oil: 342.6, }, { year: 1990, country: 'USA', oil: 416.6, }, { year: 1990, country: 'Iran', oil: 162.8, }, { year: 1990, country: 'Mexico', oil: 146.3, }, { year: 1990, country: 'Russia', oil: 515.9, }, { year: 2000, country: 'Saudi Arabia', oil: 456.3, }, { year: 2000, country: 'USA', oil: 352.6, }, { year: 2000, country: 'Iran', oil: 191.3, }, { year: 2000, country: 'Mexico', oil: 171.2, }, { year: 2000, country: 'Russia', oil: 323.3, }, { year: 2008, country: 'Saudi Arabia', oil: 515.3, }, { year: 2008, country: 'USA', oil: 304.9, }, { year: 2008, country: 'Iran', oil: 209.9, }, { year: 2008, country: 'Mexico', oil: 157.7, }, { year: 2008, country: 'Russia', oil: 488.5, }, { year: 2009, country: 'Saudi Arabia', oil: 459.5, }, { year: 2009, country: 'USA', oil: 325.3, }, { year: 2009, country: 'Iran', oil: 202.4, }, { year: 2009, country: 'Mexico', oil: 147.5, }, { year: 2009, country: 'Russia', oil: 494.2, }, ]; @Injectable() export class Service { getProductionData(): Production[] { return productionData; } }
// 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/localization.js': { 'esModule': true, }, }, paths: { 'npm:': 'https://unpkg.com/', }, map: { 'ts': 'npm:plugin-typescript@8.0.0/lib/plugin.js', 'typescript': 'npm:typescript@4.3.5/lib/typescript.js', '@angular/core': 'npm:@angular/core@12.2.16', '@angular/platform-browser': 'npm:@angular/platform-browser@12.2.16', '@angular/platform-browser-dynamic': 'npm:@angular/platform-browser-dynamic@12.2.16', '@angular/forms': 'npm:@angular/forms@12.2.16', '@angular/common': 'npm:@angular/common@12.2.16', '@angular/compiler': 'npm:@angular/compiler@12.2.16', 'tslib': 'npm:tslib@2.3.1/tslib.js', 'rxjs': 'npm:rxjs@6.4.0', '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@21.2.7/cjs', 'devextreme/bundles/dx.all': 'npm:devextreme@21.2.7/bundles/dx.all.js', 'jszip': 'npm:jszip@3.7.1/dist/jszip.min.js', 'devextreme-quill': 'npm:devextreme-quill@1.5.14/dist/dx-quill.min.js', 'devexpress-diagram': 'npm:devexpress-diagram@2.1.47', 'devexpress-gantt': 'npm:devexpress-gantt@4.0.13', 'devextreme-angular': 'npm:devextreme-angular@21.2.7', '@devextreme/runtime': 'npm:@devextreme/runtime@2.3.14', 'inferno': 'npm:inferno@7.4.11/dist/inferno.min.js', 'inferno-compat': 'npm:inferno-compat@7.4.11/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@7.4.11/dist/inferno-clone-vnode.min.js', 'inferno-create-class': 'npm:inferno-create-class@7.4.11/dist/inferno-create-class.min.js', 'inferno-extras': 'npm:inferno-extras@7.4.11/dist/inferno-extras.min.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', }, }, packageConfigPaths: [ 'npm:@devextreme/*/package.json', 'npm:@devextreme/runtime@2.3.14/inferno/package.json', 'npm:@angular/*/package.json', 'npm:@angular/common@12.2.16/*/package.json', 'npm:rxjs@6.4.0/package.json', 'npm:rxjs@6.4.0/operators/package.json', 'npm:devextreme-angular@21.2.7/*/package.json', 'npm:devextreme-angular@21.2.7/ui/*/package.json', 'npm:devextreme-angular@21.2.7/package.json', 'npm:devexpress-diagram@2.1.47/package.json', 'npm:devexpress-gantt@4.0.13/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" /> <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/21.2.7/css/dx.common.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/21.2.7/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@0.11.4/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>