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Marker Customization in Angular Chart component

By using the pointRender, you can customize the marker shape.

To Customize the marker shape, follow the given steps:

Step 1:

Customize the marker shape in each data point by using the pointRender event. Using this event, you can set the shape value to the argument.

Source
Preview
app.component.ts
app.module.ts
main.ts
import { Component, OnInit } from '@angular/core';
import { IPointRenderEventArgs, ChartShape } from '@syncfusion/ej2-angular-charts';

@Component({
    selector: 'app-container',
    template:
    `<ejs-chart id="chart-container" [primaryXAxis]='primaryXAxis'[primaryYAxis]='primaryYAxis' [title]='title' (pointRender)='pointRender($event)'>
        <e-series-collection>
            <e-series [dataSource]='chartData' type='Line' xName='x' yName='y' name='India' width=2 [marker]='marker'></e-series>
        </e-series-collection>
    </ejs-chart>`
})
export class AppComponent implements OnInit {
    public primaryXAxis: Object;
    public chartData: Object[];
    public title: string;
    public marker: Object;
    public primaryYAxis: Object;
    public shapes: string[] = [
   'Diamond', 'Circle','Rectangle', 'Line', 'Triangle', 'Rectangle'
   ];
    public pointRender(args: IPointRenderEventArgs): void {
       args.shape = <ChartShape>this.shapes[args.point.index];
    };
    ngOnInit(): void {
        this.chartData = [
             { x: new Date(2005, 0, 1), y: 21 }, { x: new Date(2006, 0, 1), y: 24 },
             { x: new Date(2007, 0, 1), y: 30 }, { x: new Date(2008, 0, 1), y: 38 },
                    { x: new Date(2009, 0, 1), y: 54 }, { x: new Date(2010, 0, 1), y: 57 },
        ];
        this.primaryXAxis = {
           title: 'Year',
           valueType: 'DateTime'
        };
        this.primaryYAxis = {
           title: 'Efficiency',
        };
        this.marker = { visible: true, width: 10, height: 10, dataLabel: { visible: true}};
        this.title = 'Inflation - Consumer Price';
    }

}
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { AppComponent } from './app.component';
import { ChartModule } from '@syncfusion/ej2-angular-charts';
import { GridModule } from '@syncfusion/ej2-angular-grids';
import { PageService } from '@syncfusion/ej2-angular-grids';
import { AccumulationChartModule } from '@syncfusion/ej2-angular-charts';
import { DialogModule } from '@syncfusion/ej2-angular-popups';
import { PieSeriesService, AccumulationTooltipService, AccumulationDataLabelService } from '@syncfusion/ej2-angular-charts';
import {
    LineSeriesService, DateTimeService, DataLabelService, StackingColumnSeriesService, CategoryService,
    StepAreaSeriesService, SplineSeriesService, ScrollBarService, ChartAnnotationService, LegendService, TooltipService, StripLineService,
    SelectionService, ScatterSeriesService, ZoomService, ColumnSeriesService
} from '@syncfusion/ej2-angular-charts';

/**
 * Module
 */
@NgModule({
    imports: [
        BrowserModule, ChartModule, AccumulationChartModule, GridModule, DialogModule
    ],
    declarations: [AppComponent],
    bootstrap: [AppComponent],
    providers: [LineSeriesService, DateTimeService, ColumnSeriesService, DataLabelService, ZoomService, StackingColumnSeriesService, CategoryService,
        StepAreaSeriesService, SplineSeriesService, ChartAnnotationService, LegendService, TooltipService, StripLineService,
        PieSeriesService, AccumulationTooltipService, ScrollBarService, AccumulationDataLabelService, SelectionService, ScatterSeriesService
        , PageService]
})
export class AppModule { }
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { enableProdMode } from '@angular/core';
import { AppModule } from './app.module';

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