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Charts

Zooming and Panning API

Documentation

This example demonstrates how you can connect the Chart and RangeSelector components in order to zoom into the appropriate data range within the Chart. Move the sliders along the RangeSelector, and you will note that the value axis of the Chart is adjusted automatically.

Backend API
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<dx-chart #zoomedChart palette="Harmony Light" [dataSource]="zoomingData"> <dxi-series argumentField="arg" valueField="y1"></dxi-series> <dxi-series argumentField="arg" valueField="y2"></dxi-series> <dxi-series argumentField="arg" valueField="y3"></dxi-series> <dxo-common-series-settings> <dxo-point [size]="7"></dxo-point> </dxo-common-series-settings> <dxo-legend [visible]="false"></dxo-legend> <dxo-argument-axis [visualRange]="visualRange"> </dxo-argument-axis> </dx-chart> <dx-range-selector [dataSource]="zoomingData" [(value)]="visualRange"> <dxo-size [height]="120"></dxo-size> <dxo-margin [left]="10"></dxo-margin> <dxo-scale [minorTickCount]="1"></dxo-scale> <dxo-behavior callValueChanged="onMoving"></dxo-behavior> <dxo-chart palette="Harmony Light"> <dxi-series argumentField="arg" valueField="y1"></dxi-series> <dxi-series argumentField="arg" valueField="y2"></dxi-series> <dxi-series argumentField="arg" valueField="y3"></dxi-series> </dxo-chart> </dx-range-selector>
import { NgModule, Component, ViewChild, enableProdMode, } from '@angular/core'; import { BrowserModule } from '@angular/platform-browser'; import { platformBrowserDynamic } from '@angular/platform-browser-dynamic'; import { DxChartModule, DxRangeSelectorModule } from 'devextreme-angular'; import { Service, ZoomingData } from './app.service'; if (!/localhost/.test(document.location.host)) { enableProdMode(); } @Component({ styleUrls: ['app/app.component.css'], selector: 'demo-app', providers: [Service], templateUrl: 'app/app.component.html', }) export class AppComponent { zoomingData: ZoomingData[]; visualRange: any = {}; constructor(service: Service) { this.zoomingData = service.getZoomingData(); } } @NgModule({ imports: [ BrowserModule, DxChartModule, DxRangeSelectorModule, ], declarations: [AppComponent], bootstrap: [AppComponent], }) export class AppModule { } platformBrowserDynamic().bootstrapModule(AppModule);
import { Injectable } from '@angular/core'; export class ZoomingData { arg: number; y1: number; y2: number; y3: number; } const zoomingData: ZoomingData[] = [ { arg: 10, y1: -12, y2: 10, y3: 32, }, { arg: 20, y1: -32, y2: 30, y3: 12, }, { arg: 40, y1: -20, y2: 20, y3: 30, }, { arg: 50, y1: -39, y2: 50, y3: 19, }, { arg: 60, y1: -10, y2: 10, y3: 15, }, { arg: 75, y1: 10, y2: 10, y3: 15, }, { arg: 80, y1: 30, y2: 50, y3: 13, }, { arg: 90, y1: 40, y2: 50, y3: 14, }, { arg: 100, y1: 50, y2: 90, y3: 90, }, { arg: 105, y1: 40, y2: 175, y3: 120, }, { arg: 110, y1: -12, y2: 10, y3: 32, }, { arg: 120, y1: -32, y2: 30, y3: 12, }, { arg: 130, y1: -20, y2: 20, y3: 30, }, { arg: 140, y1: -12, y2: 10, y3: 32, }, { arg: 150, y1: -32, y2: 30, y3: 12, }, { arg: 160, y1: -20, y2: 20, y3: 30, }, { arg: 170, y1: -39, y2: 50, y3: 19, }, { arg: 180, y1: -10, y2: 10, y3: 15, }, { arg: 185, y1: 10, y2: 10, y3: 15, }, { arg: 190, y1: 30, y2: 100, y3: 13, }, { arg: 200, y1: 40, y2: 110, y3: 14, }, { arg: 210, y1: 50, y2: 90, y3: 90, }, { arg: 220, y1: 40, y2: 95, y3: 120, }, { arg: 230, y1: -12, y2: 10, y3: 32, }, { arg: 240, y1: -32, y2: 30, y3: 12, }, { arg: 255, y1: -20, y2: 20, y3: 30, }, { arg: 270, y1: -12, y2: 10, y3: 32, }, { arg: 280, y1: -32, y2: 30, y3: 12, }, { arg: 290, y1: -20, y2: 20, y3: 30, }, { arg: 295, y1: -39, y2: 50, y3: 19, }, { arg: 300, y1: -10, y2: 10, y3: 15, }, { arg: 310, y1: 10, y2: 10, y3: 15, }, { arg: 320, y1: 30, y2: 100, y3: 13, }, { arg: 330, y1: 40, y2: 110, y3: 14, }, { arg: 340, y1: 50, y2: 90, y3: 90, }, { arg: 350, y1: 40, y2: 95, y3: 120, }, { arg: 360, y1: -12, y2: 10, y3: 32, }, { arg: 367, y1: -32, y2: 30, y3: 12, }, { arg: 370, y1: -20, y2: 20, y3: 30, }, { arg: 380, y1: -12, y2: 10, y3: 32, }, { arg: 390, y1: -32, y2: 30, y3: 12, }, { arg: 400, y1: -20, y2: 20, y3: 30, }, { arg: 410, y1: -39, y2: 50, y3: 19, }, { arg: 420, y1: -10, y2: 10, y3: 15, }, { arg: 430, y1: 10, y2: 10, y3: 15, }, { arg: 440, y1: 30, y2: 100, y3: 13, }, { arg: 450, y1: 40, y2: 110, y3: 14, }, { arg: 460, y1: 50, y2: 90, y3: 90, }, { arg: 470, y1: 40, y2: 95, y3: 120, }, { arg: 480, y1: -12, y2: 10, y3: 32, }, { arg: 490, y1: -32, y2: 30, y3: 12, }, { arg: 500, y1: -20, y2: 20, y3: 30, }, { arg: 510, y1: -12, y2: 10, y3: 32, }, { arg: 520, y1: -32, y2: 30, y3: 12, }, { arg: 530, y1: -20, y2: 20, y3: 30, }, { arg: 540, y1: -39, y2: 50, y3: 19, }, { arg: 550, y1: -10, y2: 10, y3: 15, }, { arg: 555, y1: 10, y2: 10, y3: 15, }, { arg: 560, y1: 30, y2: 100, y3: 13, }, { arg: 570, y1: 40, y2: 110, y3: 14, }, { arg: 580, y1: 50, y2: 90, y3: 90, }, { arg: 590, y1: 40, y2: 95, y3: 12, }, { arg: 600, y1: -12, y2: 10, y3: 32, }, { arg: 610, y1: -32, y2: 30, y3: 12, }, { arg: 620, y1: -20, y2: 20, y3: 30, }, { arg: 630, y1: -12, y2: 10, y3: 32, }, { arg: 640, y1: -32, y2: 30, y3: 12, }, { arg: 650, y1: -20, y2: 20, y3: 30, }, { arg: 660, y1: -39, y2: 50, y3: 19, }, { arg: 670, y1: -10, y2: 10, y3: 15, }, { arg: 680, y1: 10, y2: 10, y3: 15, }, { arg: 690, y1: 30, y2: 100, y3: 13, }, { arg: 700, y1: 40, y2: 110, y3: 14, }, { arg: 710, y1: 50, y2: 90, y3: 90, }, { arg: 720, y1: 40, y2: 95, y3: 120, }, { arg: 730, y1: 20, y2: 190, y3: 130, }, { arg: 740, y1: -32, y2: 30, y3: 12, }, { arg: 750, y1: -20, y2: 20, y3: 30, }, { arg: 760, y1: -12, y2: 10, y3: 32, }, { arg: 770, y1: -32, y2: 30, y3: 12, }, { arg: 780, y1: -20, y2: 20, y3: 30, }, { arg: 790, y1: -39, y2: 50, y3: 19, }, { arg: 800, y1: -10, y2: 10, y3: 15, }, { arg: 810, y1: 10, y2: 10, y3: 15, }, { arg: 820, y1: 30, y2: 100, y3: 13, }, { arg: 830, y1: 40, y2: 110, y3: 14, }, { arg: 840, y1: 50, y2: 90, y3: 90, }, { arg: 850, y1: 40, y2: 95, y3: 120, }, { arg: 860, y1: -12, y2: 10, y3: 32, }, { arg: 870, y1: -32, y2: 30, y3: 12, }, { arg: 880, y1: -20, y2: 20, y3: 30, }, ]; @Injectable() export class Service { getZoomingData(): ZoomingData[] { return zoomingData; } }
// 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@22.1.4/cjs', 'devextreme/bundles/dx.all': 'npm:devextreme@22.1.4/bundles/dx.all.js', 'jszip': 'npm:jszip@3.7.1/dist/jszip.min.js', 'devextreme-quill': 'npm:devextreme-quill@1.5.16/dist/dx-quill.min.js', 'devexpress-diagram': 'npm:devexpress-diagram@2.1.63', 'devexpress-gantt': 'npm:devexpress-gantt@4.1.32', 'devextreme-angular': 'npm:devextreme-angular@22.1.4', '@devextreme/runtime': 'npm:@devextreme/runtime@3.0.7', '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', }, 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@3.0.7/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@22.1.4/*/package.json', 'npm:devextreme-angular@22.1.4/ui/*/package.json', 'npm:devextreme-angular@22.1.4/package.json', 'npm:devexpress-diagram@2.1.63/package.json', 'npm:devexpress-gantt@4.1.32/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/22.1.4/css/dx.common.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/22.1.4/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>