Angular Charts - Scatter

Scatter charts can be used whenever you need to allow the user to draw their own conclusions about information displayed within the chart.

Backend API

<dx-chart id="chart" [dataSource]="dataSource"> <dxi-chart-series argumentField="x1" valueField="y1"></dxi-chart-series> <dxi-chart-series argumentField="x2" valueField="y2"> <dxo-chart-point symbol="triangleDown"></dxo-chart-point> </dxi-chart-series> <dxi-chart-value-axis [tickInterval]="50"></dxi-chart-value-axis> <dxo-chart-common-series-settings type="scatter" ></dxo-chart-common-series-settings> <dxo-chart-argument-axis [tickInterval]="5"> <dxo-chart-grid [visible]="true"></dxo-chart-grid> <dxo-chart-minor-grid [visible]="true"></dxo-chart-minor-grid> </dxo-chart-argument-axis> <dxo-chart-legend [visible]="false"></dxo-chart-legend> <dxo-chart-common-pane-settings> <dxo-chart-border [visible]="true"></dxo-chart-border> </dxo-chart-common-pane-settings> </dx-chart>

import { bootstrapApplication } from '@angular/platform-browser'; import { Component, enableProdMode, provideZoneChangeDetection } from '@angular/core'; import { DxChartModule } from 'devextreme-angular'; import { ScatterData, Service } from './app.service'; if (!/localhost/.test(document.location.host)) { enableProdMode(); } @Component({ selector: 'demo-app', templateUrl: './app.component.html', styleUrls: ['./app.component.css'], providers: [Service], imports: [ DxChartModule, ], }) export class AppComponent { dataSource: ScatterData[]; constructor(service: Service) { this.dataSource = service.generateDataSource(); } } bootstrapApplication(AppComponent, { providers: [ provideZoneChangeDetection({ eventCoalescing: true, runCoalescing: true }), ], });

::ng-deep #chart { height: 440px; }

import { Injectable } from '@angular/core'; export class ScatterData { x1: number; y1: number; x2: number; y2: number; } const scatterData: ScatterData[] = []; @Injectable() export class Service { random(min, max) { return Math.floor(Math.random() * (max - min + 1)) + min; } generateDataSource() { const b1 = this.random(-100, 100) / 10; const b2 = this.random(-100, 100) / 10; let k1 = this.random(-100, 100) / 10; let k2 = this.random(-100, 100) / 10; let i; let x1; let x2; let y1; let y2; let isNegativeDelta; let delta1; let delta2; if (k1 < 0.1 && k1 >= 0) { k1 = 0.1; } if (k1 > -0.1 && k1 < 0) { k1 = -0.1; } if (k2 < 0.1 && k2 >= 0) { k2 = 0.1; } if (k2 > -0.1 && k2 < 0) { k2 = -0.1; } const deviation1 = Math.abs(k1 * 8); const deviation2 = Math.abs(k2 * 8); for (i = 0; i < 30; i += 1) { x1 = this.random(1, 20); x2 = this.random(1, 20); isNegativeDelta = this.random(0, 1) === 0; delta1 = deviation1 * Math.random(); delta2 = deviation2 * Math.random(); if (isNegativeDelta) { delta1 = -delta1; delta2 = -delta2; } y1 = k1 * x1 + b1 + delta1; y2 = k2 * x2 + b2 + delta2; scatterData.push({ x1, y1, x2, y2, }); } return scatterData; } }

<!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>