Axis Types in Angular Stock Chart component

24 May 2022 / 2 minutes to read

DateTime Axis

Date time axis uses date time scale and displays the date time values as axis labels in the specified format and set the valueType of axis to DateTime.

Source

Preview

app.component.ts

app.module.ts

main.ts

import { Component, OnInit } from '@angular/core';
import { chartData } from 'datasource.ts';

@Component({
    selector: 'app-container',
    template:
    `<ejs-stockchart id="chart-container" [primaryXAxis]='primaryXAxis'[primaryYAxis]='primaryYAxis' [title]='title'>
        <e-stockchart-series-collection>
            <e-stockchart-series [dataSource]='chartData' type='Candle' xName='date' yName='open' name='India' width=2 ></e-stockchart-series>
        </e-stockchart-series-collection>
    </ejs-stockchart>`
})
export class AppComponent implements OnInit {
    public primaryXAxis: Object;
    public chartData: Object[];
    public title: string;
    public primaryYAxis: Object;
    ngOnInit(): void {
        this.chartData = chartData;
        this.title = 'Efficiency of oil-fired power production';
        this.primaryXAxis = {
           valueType: 'DateTime'
        };
    }

}

import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { AppComponent } from './app.component';
import { ChartModule, ChartAllModule, StockChartAllModule } from '@syncfusion/ej2-angular-charts';
import { DateTimeService, LineSeriesService, DateTimeCategoryService, StripLineService} from '@syncfusion/ej2-angular-charts';

/**
 * Module
 */
@NgModule({
    imports: [
        BrowserModule, ChartModule, StockChartAllModule, ChartAllModule
    ],
    declarations: [AppComponent],
    bootstrap: [AppComponent],
    providers: [ DateTimeService, LineSeriesService, DateTimeCategoryService, StripLineService]
})
export class AppModule { }

import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { enableProdMode } from '@angular/core';
import { AppModule } from './app.module';

enableProdMode();
platformBrowserDynamic().bootstrapModule(AppModule);

Logarithmic Axis

Logarithmic axis uses logarithmic scale and it is very useful in visualizing data, when it has numerical values in both lower order of magnitude (eg: 10^-6) and higher order of magnitude (eg: 10⁶) and set the valueType of axis to Lograthmic.