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Area Charts

Step Area

This demo shows a step area series type. The primary difference between area and step area is that in step area series, data points are connected by perpendicular vertical and horizontal lines.

To create multiple area series, use the series array to declare each series and the commonSeriesSettings object to specify the common series type. In that object you can implement specific parameters to configure step area specifically. For example, this demo disables a border for all series.

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<dx-chart id="chart" title="Australian Medal Count" [dataSource]="medalsInfo"> <dxi-series valueField="bronze" name="Bronze Medals" color="#cd7f32" ></dxi-series> <dxi-series valueField="silver" name="Silver Medals" color="#c0c0c0" ></dxi-series> <dxi-series valueField="gold" name="Gold Medals" color="#ffd700"></dxi-series> <dxo-common-series-settings argumentField="year" type="steparea"> <dxo-steparea> <dxo-border [visible]="false"></dxo-border> </dxo-steparea> </dxo-common-series-settings> <dxo-argument-axis [valueMarginsEnabled]="false"> <dxo-label> <dxo-format type="decimal"></dxo-format> </dxo-label> </dxo-argument-axis> <dxo-export [enabled]="true"></dxo-export> <dxo-legend verticalAlignment="bottom" horizontalAlignment="center"> </dxo-legend> </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 { MedalsInfo, 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 { medalsInfo: MedalsInfo[]; constructor(service: Service) { this.medalsInfo = service.getMedalsInfo(); } } @NgModule({ imports: [ BrowserModule, DxChartModule, ], declarations: [AppComponent], bootstrap: [AppComponent], }) export class AppModule { } platformBrowserDynamic().bootstrapModule(AppModule);
::ng-deep #chart { height: 440px; }
import { Injectable } from '@angular/core'; export class MedalsInfo { year: number; gold: number; silver: number; bronze: number; } const medalsInfo: MedalsInfo[] = [{ year: 1896, gold: 2, silver: 0, bronze: 0, }, { year: 1900, gold: 2, silver: 0, bronze: 3, }, { year: 1904, gold: 0, silver: 0, bronze: 0, }, { year: 1908, gold: 1, silver: 2, bronze: 2, }, { year: 1912, gold: 2, silver: 2, bronze: 3, }, { year: 1916, gold: 0, silver: 0, bronze: 0, }, { year: 1920, gold: 0, silver: 2, bronze: 1, }, { year: 1924, gold: 3, silver: 1, bronze: 2, }, { year: 1928, gold: 1, silver: 2, bronze: 1, }, { year: 1932, gold: 3, silver: 1, bronze: 1, }, { year: 1936, gold: 0, silver: 0, bronze: 1, }, { year: 1940, gold: 0, silver: 0, bronze: 0, }, { year: 1944, gold: 0, silver: 0, bronze: 0, }, { year: 1948, gold: 2, silver: 6, bronze: 5, }, { year: 1952, gold: 6, silver: 2, bronze: 3, }, { year: 1956, gold: 13, silver: 8, bronze: 14, }, { year: 1960, gold: 8, silver: 8, bronze: 6, }, { year: 1964, gold: 6, silver: 2, bronze: 10, }, { year: 1968, gold: 5, silver: 7, bronze: 5, }, { year: 1972, gold: 8, silver: 7, bronze: 2, }, { year: 1976, gold: 0, silver: 1, bronze: 4, }, { year: 1980, gold: 2, silver: 2, bronze: 5, }, { year: 1984, gold: 4, silver: 8, bronze: 12, }, { year: 1988, gold: 3, silver: 6, bronze: 5, }, { year: 1992, gold: 7, silver: 9, bronze: 11, }, { year: 1996, gold: 9, silver: 9, bronze: 23, }, { year: 2000, gold: 16, silver: 25, bronze: 17, }, { year: 2004, gold: 17, silver: 16, bronze: 16, }, { year: 2008, gold: 14, silver: 15, bronze: 17, }, { year: 2012, gold: 8, silver: 15, bronze: 12, }, { year: 2016, gold: 8, silver: 11, bronze: 10, }]; @Injectable() export class Service { getMedalsInfo(): MedalsInfo[] { return medalsInfo; } }
// 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@4.2.4/lib/plugin.js', 'typescript': 'npm:typescript@4.2.4/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@7.5.3/dist/bundles/rxjs.umd.js', 'rxjs/operators': 'npm:rxjs@7.5.3/dist/cjs/operators/index.js', '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@22.1.6/cjs', 'devextreme/bundles/dx.all': 'npm:devextreme@22.1.6/bundles/dx.all.js', 'jszip': 'npm:jszip@3.7.1/dist/jszip.min.js', 'devextreme-quill': 'npm:devextreme-quill@1.5.18/dist/dx-quill.min.js', 'devexpress-diagram': 'npm:devexpress-diagram@2.1.65', 'devexpress-gantt': 'npm:devexpress-gantt@4.1.33', 'devextreme-angular': 'npm:devextreme-angular@22.1.6', '@devextreme/runtime': 'npm:@devextreme/runtime@3.0.11', 'inferno': 'npm:inferno@7.4.4/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', // Prettier 'prettier/standalone': 'npm:prettier@2.7.1/standalone.js', 'prettier/parser-html': 'npm:prettier@2.7.1/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@12.2.16/*/package.json', 'npm:rxjs@7.5.3/package.json', 'npm:rxjs@7.5.3/operators/package.json', 'npm:devextreme-angular@22.1.6/*/package.json', 'npm:devextreme-angular@22.1.6/ui/*/package.json', 'npm:devextreme-angular@22.1.6/package.json', 'npm:devexpress-diagram@2.1.65/package.json', 'npm:devexpress-gantt@4.1.33/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/22.1.6/css/dx.common.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/22.1.6/css/dx.light.css" /> <script src="https://unpkg.com/core-js@2.6.12/client/shim.min.js"></script> <script src="https://unpkg.com/zone.js@0.11.8/dist/zone.js"></script> <script src="https://unpkg.com/reflect-metadata@0.1.13/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>