Logarithmic Axis (Angular)

This sample shows how to display a FlexChart control using a logarithmic axis. This is done by setting the logBase property of the axis.

Learn about FlexChart | FlexChart API Reference

This example uses Angular.

import 'bootstrap.css'; import '@mescius/wijmo.styles/wijmo.css'; import './styles.css'; // import { isArray } from '@mescius/wijmo'; import { Palettes } from '@mescius/wijmo.chart'; import '@angular/compiler'; import { Component, Inject, enableProdMode, ɵresolveComponentResources } from '@angular/core'; import { BrowserModule, bootstrapApplication } from '@angular/platform-browser'; import { WjChartModule } from '@mescius/wijmo.angular2.chart'; import { WjChartAnalyticsModule } from '@mescius/wijmo.angular2.chart.analytics'; import { WjChartAnimationModule } from '@mescius/wijmo.angular2.chart.animation'; import { DataService } from './app.data'; // @Component({ standalone: true, providers: [DataService], imports: [WjChartModule, WjChartAnalyticsModule, WjChartAnimationModule, BrowserModule], selector: 'app-component', templateUrl: 'src/app.component.html', }) export class AppComponent { data: any; palette: string[]; // constructor(@Inject(DataService) private dataService: DataService) { this.data = dataService.getData(); this.palette = this._getRandomPalette(); } // private _getRandomPalette() { let palettes = Object.keys(Palettes).filter((prop) => isArray(Palettes[prop])); let rand = Math.floor(Math.random() * palettes.length); // return Palettes[palettes[rand]]; } } // // enableProdMode(); // Resolve resources (templateUrl, styleUrls etc), After resolution all URLs have been converted into `template` strings. ɵresolveComponentResources(fetch).then(() => { // Bootstrap application bootstrapApplication(AppComponent).catch((err) => console.error(err)); });
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>MESCIUS Wijmo FlexChart Logarithmic Axis</title> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <!-- Polyfills --> <script src="https://cdn.jsdelivr.net/npm/core-js/client/shim.min.js"></script> <script src="https://cdn.jsdelivr.net/npm/zone.js/fesm2015/zone.min.js"></script> <!-- SystemJS --> <script src="https://cdn.jsdelivr.net/npm/systemjs@0.21.5/dist/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"> <wj-flex-chart [itemsSource]="data" [header]="'Logarithmic Axis'" [bindingX]="'x'" [chartType]="'Scatter'" [palette]="palette"> <wj-flex-chart-series [binding]="'y'"></wj-flex-chart-series> <wj-flex-chart-trend-line name="Trendline" binding="y" [sampleCount]="100"></wj-flex-chart-trend-line> <wj-flex-chart-axis [wjProperty]="'axisX'" [logBase]="10" [minorTickMarks]="'Outside'" [minorUnit]="1" ></wj-flex-chart-axis> <wj-flex-chart-animation></wj-flex-chart-animation> </wj-flex-chart> </div>
import { Injectable } from '@angular/core'; // @Injectable() export class DataService { getData() { return [ { x: 4, y: 100 }, { x: 10, y: 2000 }, { x: 35, y: 2500 }, { x: 60, y: 4000 }, { x: 75, y: 5000 }, { x: 90, y: 6500 }, { x: 110, y: 8000 }, { x: 150, y: 9000 }, { x: 200, y: 10000 }, { x: 350, y: 15000 }, { x: 500, y: 20000 }, { x: 600, y: 25000 }, { x: 750, y: 30000 }, { x: 900, y: 40000 }, { x: 1000, y: 45000 } ]; } }
body { margin-bottom: 24px; }
(function (global) { SystemJS.config({ transpiler: './plugin-typescript.js', typescriptOptions: { target: 'ES2022', module: 'system', emitDecoratorMetadata: true, experimentalDecorators: true, }, meta: { typescript: { exports: 'ts', }, '*.css': { loader: 'systemjs-plugin-css' }, '*.mjs': { format: 'esm', }, }, paths: { // paths serve as alias 'npm:': 'node_modules/', 'cdn:': 'https://cdn.mescius.io/demoapps/packages/wijmojs/5.20261.50-rc/', 'pcdn:': 'https://cdn.jsdelivr.net/npm/', 'agpcdn:': 'https://cdn.jsdelivr.net/npm/' }, packageConfigPaths: ['/node_modules/*/package.json', '/node_modules/@angular/*/package.json', '/node_modules/@mescius/*/package.json'], map: { 'core-js': 'agpcdn:core-js@2.6.12/client/shim.min.js', 'typescript': 'agpcdn:typescript@5.9.3/lib/typescript.min.js', rxjs: 'agpcdn:rxjs@7.8.1/dist/bundles/rxjs.umd.min.js', 'systemjs-plugin-css': 'agpcdn:systemjs-plugin-css@0.1.37/css.js', '@mescius/wijmo': 'cdn:@mescius/wijmo/index.js', '@mescius/wijmo.input': 'cdn:@mescius/wijmo.input/index.js', '@mescius/wijmo.styles': 'cdn:@mescius/wijmo.styles', '@mescius/wijmo.cultures': 'cdn:@mescius/wijmo.cultures', '@mescius/wijmo.chart': 'cdn:@mescius/wijmo.chart/index.js', '@mescius/wijmo.chart.analytics': 'cdn:@mescius/wijmo.chart.analytics/index.js', '@mescius/wijmo.chart.animation': 'cdn:@mescius/wijmo.chart.animation/index.js', '@mescius/wijmo.chart.annotation': 'cdn:@mescius/wijmo.chart.annotation/index.js', '@mescius/wijmo.chart.finance': 'cdn:@mescius/wijmo.chart.finance/index.js', '@mescius/wijmo.chart.finance.analytics': 'cdn:@mescius/wijmo.chart.finance.analytics/index.js', '@mescius/wijmo.chart.hierarchical': 'cdn:@mescius/wijmo.chart.hierarchical/index.js', '@mescius/wijmo.chart.interaction': 'cdn:@mescius/wijmo.chart.interaction/index.js', '@mescius/wijmo.chart.radar': 'cdn:@mescius/wijmo.chart.radar/index.js', '@mescius/wijmo.chart.render': 'cdn:@mescius/wijmo.chart.render/index.js', '@mescius/wijmo.chart.webgl': 'cdn:@mescius/wijmo.chart.webgl/index.js', '@mescius/wijmo.chart.map': 'cdn:@mescius/wijmo.chart.map/index.js', '@mescius/wijmo.gauge': 'cdn:@mescius/wijmo.gauge/index.js', '@mescius/wijmo.grid': 'cdn:@mescius/wijmo.grid/index.js', '@mescius/wijmo.grid.detail': 'cdn:@mescius/wijmo.grid.detail/index.js', '@mescius/wijmo.grid.filter': 'cdn:@mescius/wijmo.grid.filter/index.js', '@mescius/wijmo.grid.search': 'cdn:@mescius/wijmo.grid.search/index.js', '@mescius/wijmo.grid.style': 'cdn:@mescius/wijmo.grid.style/index.js', '@mescius/wijmo.grid.grouppanel': 'cdn:@mescius/wijmo.grid.grouppanel/index.js', '@mescius/wijmo.grid.multirow': 'cdn:@mescius/wijmo.grid.multirow/index.js', '@mescius/wijmo.grid.transposed': 'cdn:@mescius/wijmo.grid.transposed/index.js', '@mescius/wijmo.grid.transposedmultirow': 'cdn:@mescius/wijmo.grid.transposedmultirow/index.js', '@mescius/wijmo.grid.pdf': 'cdn:@mescius/wijmo.grid.pdf/index.js', '@mescius/wijmo.grid.sheet': 'cdn:@mescius/wijmo.grid.sheet/index.js', 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'cdn:@mescius/wijmo.barcode/index.js', '@mescius/wijmo.barcode.common': 'cdn:@mescius/wijmo.barcode.common/index.js', '@mescius/wijmo.barcode.composite': 'cdn:@mescius/wijmo.barcode.composite/index.js', '@mescius/wijmo.barcode.specialized': 'cdn:@mescius/wijmo.barcode.specialized/index.js', '@mescius/wijmo.angular2.chart.analytics': 'cdn:@mescius/wijmo.angular2.chart.analytics/index.js', '@mescius/wijmo.angular2.chart.animation': 'cdn:@mescius/wijmo.angular2.chart.animation/index.js', '@mescius/wijmo.angular2.chart.annotation': 'cdn:@mescius/wijmo.angular2.chart.annotation/index.js', '@mescius/wijmo.angular2.chart.finance.analytics': 'cdn:@mescius/wijmo.angular2.chart.finance.analytics/index.js', '@mescius/wijmo.angular2.chart.finance': 'cdn:@mescius/wijmo.angular2.chart.finance/index.js', '@mescius/wijmo.angular2.chart.hierarchical': 'cdn:@mescius/wijmo.angular2.chart.hierarchical/index.js', '@mescius/wijmo.angular2.chart.interaction': 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'cdn:@mescius/wijmo.angular2.barcode.specialized/index.js', 'bootstrap.css': 'pcdn:bootstrap@3.3.7/dist/css/bootstrap.min.css', jszip: 'agpcdn:jszip@3.10.1/dist/jszip.min.js', '@angular/core': 'pcdn:@angular/core@21.1.0/fesm2022/core.mjs', '@angular/core/primitives/di': 'pcdn:@angular/core@21.1.0/fesm2022/primitives-di.mjs', '@angular/core/primitives/signals': 'pcdn:@angular/core@21.1.0/fesm2022/primitives-signals.mjs', '@angular/core/primitives/event-dispatch': 'pcdn:@angular/core@21.1.0/fesm2022/primitives-event-dispatch.mjs', '@angular/common': 'pcdn:@angular/common@21.1.0/fesm2022/common.mjs', '@angular/common/http': 'pcdn:@angular/common@21.1.0/fesm2022/http.mjs', '@angular/compiler': 'pcdn:@angular/compiler@21.1.0/fesm2022/compiler.mjs', '@angular/platform-browser': 'pcdn:@angular/platform-browser@21.1.0/fesm2022/platform-browser.mjs', '@angular/platform-browser-dynamic': 'pcdn:@angular/platform-browser-dynamic@21.1.0/fesm2022/platform-browser-dynamic.mjs', '@angular/router': 'pcdn:@angular/router@21.1.0/fesm2022/router.mjs', '@angular/forms': 'pcdn:@angular/forms@21.1.0/fesm2022/forms.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);