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Create footer and watermark for chart

By using annotation, you can place any html elements to chart in a desired view.

To create footer and watermark for chart, follow the given steps:

Step 1:

Initialize the custom elements by using the annotation property.

By using the content option of the annotation object, you can specify the id of the element that needs to be displayed in the chart area as follow,

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

@Component({
    selector: 'app-container',
    template:
    `<ejs-chart id="chart-container" [primaryXAxis]='primaryXAxis'[primaryYAxis]='primaryYAxis' [title]='title'>
         <e-annotations>
            <e-annotation  content='<div id="chart_cloud" style="font-size:450%; opacity: 0.3;" >syncfusion</div>'
            x='Wed' y= 20 coordinateUnits= 'Point' horizontalAlignment='Center'>
            </e-annotation>
            <e-annotation  content='<div id="chart" > <a href="https://www.syncfusion.com" target="_blank">www.syncfusion.com</a></div>'
            x=400 y=440 coordinateUnits='Pixel' horizontalAlignment='Center'>
            </e-annotation>
        </e-annotations>
        <e-series-collection>
            <e-series [dataSource]='chartData' type='Spline' xName='x' yName='y' name='Max Temp' 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;
    ngOnInit(): void {
        this.chartData =[
                    { x: 'Sun', y: 15 }, { x: 'Mon', y: 5 },{ x: 'Tue', y: 32 },
                    { x: 'Wed', y: 15 },{ x: 'Thu', y: 29 }, { x: 'Fri', y: 24 },
                    { x: 'Sat', y: 18 },
                ];
        this.primaryXAxis = {
          valueType: 'Category',
            interval: 1, majorGridLines: { width: 0 },
            labelIntersectAction: 'Rotate90'
        };
        this.primaryYAxis = {
             minimum: 0,
            maximum: 40,
            interval: 10,
        };
        this.marker = { visible: true};
        this.title =  'NC Weather Report - 2016';
    }
}
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);