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Angular Charts - Zooming and Panning API

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
<dx-chart #zoomedChart palette="Harmony Light" [dataSource]="zoomingData"> <dxi-chart-series argumentField="arg" valueField="y1"></dxi-chart-series> <dxi-chart-series argumentField="arg" valueField="y2"></dxi-chart-series> <dxi-chart-series argumentField="arg" valueField="y3"></dxi-chart-series> <dxo-chart-common-series-settings> <dxo-chart-point [size]="7"></dxo-chart-point> </dxo-chart-common-series-settings> <dxo-chart-legend [visible]="false"></dxo-chart-legend> <dxo-chart-argument-axis [visualRange]="visualRange"> </dxo-chart-argument-axis> </dx-chart> <dx-range-selector [dataSource]="zoomingData" [(value)]="visualRange"> <dxo-range-selector-size [height]="120"></dxo-range-selector-size> <dxo-range-selector-margin [left]="10"></dxo-range-selector-margin> <dxo-range-selector-scale [minorTickCount]="1"></dxo-range-selector-scale> <dxo-range-selector-behavior valueChangeMode="onHandleMove" ></dxo-range-selector-behavior> <dxo-range-selector-chart palette="Harmony Light"> <dxi-range-selector-series argumentField="arg" valueField="y1" ></dxi-range-selector-series> <dxi-range-selector-series argumentField="arg" valueField="y2" ></dxi-range-selector-series> <dxi-range-selector-series argumentField="arg" valueField="y3" ></dxi-range-selector-series> </dxo-range-selector-chart> </dx-range-selector>
import { bootstrapApplication } from '@angular/platform-browser'; import { Component, enableProdMode, provideZoneChangeDetection } from '@angular/core'; import { DxRangeSelectorModule } from 'devextreme-angular'; import { VisualRange } from 'devextreme-angular/common/charts'; import { DxChartModule } from 'devextreme-angular/ui/chart'; 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.component.html', imports: [ DxChartModule, DxRangeSelectorModule, ], }) export class AppComponent { zoomingData: ZoomingData[]; visualRange: VisualRange = {}; constructor(service: Service) { this.zoomingData = service.getZoomingData(); } } bootstrapApplication(AppComponent, { providers: [ provideZoneChangeDetection({ eventCoalescing: true, runCoalescing: true }), ], });
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; } }
<!DOCTYPE html> <html lang="en"> <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=5.0" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/26.1.5/css/dx.light.css" /> </head> <body class="dx-viewport"> <div class="demo-container"> <demo-app>Loading...</demo-app> </div> <script src="https://cdn.jsdelivr.net/npm/zone.js@0.16.2/bundles/zone.umd.js"></script> <script src="./bundle.js" type="module"></script> </body> </html>