Axis Origin & Position (Angular)

By default the FlexChart places the X axis at the bottom of the plot area and the Y axis on the left. This keeps the axes outside the plot area and away from the data.

You can change this default behavior using two properties:

  • position: Specifies the position of the axis as None, Left, Top, Right, Bottom, or Auto.
  • origin: Specifies the value where the axis crosses its perpendicular axis. If speficied, origin takes precendence over position.

Learn about FlexChart | Axis Origin & Position Documentation | FlexChart API Reference

This example uses Angular.

import 'bootstrap.css'; import '@mescius/wijmo.styles/wijmo.css'; import './styles.css'; // import '@angular/compiler'; import { Component, Inject, enableProdMode, NgModule } from '@angular/core'; import { platformBrowserDynamic } from '@angular/platform-browser-dynamic'; import { BrowserModule } from '@angular/platform-browser'; import { WjChartModule } from '@mescius/wijmo.angular2.chart'; import { DataService } from './app.data'; import { isArray } from '@mescius/wijmo'; import { Palettes } from '@mescius/wijmo.chart'; // @Component({ selector: 'app-component', templateUrl: 'src/app.component.html' }) export class AppComponent { data: any[]; palette: any; // constructor(@Inject(DataService) private dataService: DataService) { this.data = dataService.getData(750); this.palette = this.getRandomPalette(); } // getRandomPalette() { let palettes = Object.keys(Palettes).filter(prop => isArray(Palettes[prop])); let rand = Math.floor(Math.random() * palettes.length); // return Palettes[palettes[rand]]; } } // @NgModule({ imports: [WjChartModule, BrowserModule], declarations: [AppComponent], providers: [DataService], bootstrap: [AppComponent] }) export class AppModule { } // enableProdMode(); // Bootstrap application with hash style navigation and global services. platformBrowserDynamic().bootstrapModule(AppModule);
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>MESCIUS Wijmo FlexChart Axis Origin & Position</title> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <!-- Polyfills --> <script src="node_modules/core-js/client/shim.min.js"></script> <script src="node_modules/zone.js/fesm2015/zone.min.js"></script> <!-- SystemJS --> <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.21.5/system.src.js" integrity="sha512-skZbMyvYdNoZfLmiGn5ii6KmklM82rYX2uWctBhzaXPxJgiv4XBwJnFGr5k8s+6tE1pcR1nuTKghozJHyzMcoA==" crossorigin="anonymous"></script> <script src="systemjs.config.js"></script> <script> // workaround to load 'rxjs/operators' from the rxjs bundle System.import('rxjs').then(function (m) { System.set(SystemJS.resolveSync('rxjs/operators'), System.newModule(m.operators)); System.import('./src/app.component'); }); </script> </head> <body> <app-component></app-component> </body> </html>
<div class="container-fluid"> <div class="form-group"> <wj-flex-chart chartType="Scatter" tooltipContent="" bindingX="x" [itemsSource]="data" [palette]="palette"> <wj-flex-chart-axis wjProperty="axisY" [axisLine]="true" [majorGrid]="false" [origin]="0" [majorUnit]="1" [max]="1" [min]="-1" [labels]="false"></wj-flex-chart-axis> <wj-flex-chart-axis wjProperty="axisX" [origin]="0" [axisLine]="true" [majorUnit]="1" [max]="1" [min]="-1" [labels]="false"></wj-flex-chart-axis> <wj-flex-chart-legend position="None"></wj-flex-chart-legend> <wj-flex-chart-series name="data1" binding="y1"></wj-flex-chart-series> <wj-flex-chart-series name="data2" binding="y2"></wj-flex-chart-series> </wj-flex-chart> </div> </div>
import { Injectable } from '@angular/core'; // @Injectable() export class DataService { getData(num: number) { let data = [], cnt = 0; for(let i = 0; cnt < num; i++) { let x = 1 - 2 * Math.random(); let y = 1 - 2 * Math.random(); if(x*x + y*y <= 1) { data.push({ x: x, y1: y, y2: 0 - y }); cnt++; } } return data; } }
.wj-flexchart { height: 600px; width: 600px; margin: 10px 0; } body { margin-bottom: 24pt; }
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'https://cdnjs.cloudflare.com/ajax/libs/jszip/3.10.1/jszip.min.js', "@angular/common/http": "https://cdn.jsdelivr.net/npm/@angular/common@16.2.6/fesm2022/http.mjs", "@angular/core": "https://cdn.jsdelivr.net/npm/@angular/core@16.2.6/fesm2022/core.mjs", "@angular/platform-browser": "https://cdn.jsdelivr.net/npm/@angular/platform-browser@16.2.6/fesm2022/platform-browser.mjs", "@angular/common": "https://cdn.jsdelivr.net/npm/@angular/common@16.2.6/fesm2022/common.mjs", "@angular/compiler": "https://cdn.jsdelivr.net/npm/@angular/compiler@16.2.6/fesm2022/compiler.mjs", "@angular/forms": "https://cdn.jsdelivr.net/npm/@angular/forms@16.2.6/fesm2022/forms.mjs", "@angular/localize": "https://cdn.jsdelivr.net/npm/@angular/localize@16.2.6/fesm2022/localize.mjs", "@angular/platform-browser-dynamic": "https://cdn.jsdelivr.net/npm/@angular/platform-browser-dynamic@16.2.6/fesm2022/platform-browser-dynamic.mjs", }, // packages tells the System loader how to load when no filename and/or no extension packages: { "./src": { defaultExtension: 'ts' }, "node_modules": { defaultExtension: 'js' }, wijmo: { defaultExtension: 'js', } } }); })(this);