100% Stacked Area in Angular Chart component

13 Dec 202424 minutes to read

100% Stacked Area

To render a 100% stacked area series in your chart, you need to follow a few steps to configure it correctly. Here’s a concise guide on how to do this:

  1. Set the series type: Define the series type as StackingArea100 in your chart configuration. This indicates that the data should be represented as a 100% stacked area chart, where the cumulative values for each data point are expressed as a percentage of the total. This ensures that the sum of all series at each point is always 100%.

  2. Inject the StackingAreaSeries module: Use the @NgModule.providers method to inject the StackingAreaSeriesServices module into your chart. This step is essential, as it ensures that the necessary functionalities for rendering 100% stacked area series are available in your chart.

import { NgModule } from '@angular/core'
import { BrowserModule } from '@angular/platform-browser'
import { ChartModule, ChartAllModule } from '@syncfusion/ej2-angular-charts'
import { AreaSeriesService, RangeAreaSeriesService, StepAreaSeriesService, StackingAreaSeriesService, 
    DateTimeService, CategoryService, MultiColoredAreaSeriesService, StackingStepAreaSeriesService, SplineRangeAreaSeriesService } from '@syncfusion/ej2-angular-charts'



import { Component, OnInit } from '@angular/core';
import { stackedData } from './datasource';
@Component({
imports: [
         ChartModule, ChartAllModule
    ],

providers: [ AreaSeriesService , RangeAreaSeriesService, StepAreaSeriesService, StackingAreaSeriesService,
               DateTimeService, CategoryService, MultiColoredAreaSeriesService,StackingStepAreaSeriesService,SplineRangeAreaSeriesService],
standalone: true,
    selector: 'app-container',
    template: `<ejs-chart id="chart-container" [primaryXAxis]='primaryXAxis'[primaryYAxis]='primaryYAxis' [title]='title'>
        <e-series-collection>
            <e-series [dataSource]='chartData' type='StackingArea100' xName='x' yName='y' name='USA'></e-series>
            <e-series [dataSource]='chartData' type='StackingArea100' xName='x' yName='y1' name='UK'></e-series>
            <e-series [dataSource]='chartData' type='StackingArea100' xName='x' yName='y2' name='Canada'></e-series>
            <e-series [dataSource]='chartData' type='StackingArea100' xName='x' yName='y3' name='China'></e-series>
        </e-series-collection>
    </ejs-chart>`
})
export class AppComponent implements OnInit {
    public primaryXAxis?: Object;
    public chartData?: Object[];
    public title?: string;
    public primaryYAxis?: Object;
    ngOnInit(): void {
        this.chartData = stackedData;
        this.primaryXAxis = {
            valueType: 'DateTime'
        };
        this.title = 'Annual Temperature Comparison';
    }

}
import { bootstrapApplication } from '@angular/platform-browser';
import { AppComponent } from './app.component';
import 'zone.js';
bootstrapApplication(AppComponent).catch((err) => console.error(err));
export let stackedData: Object[] = [
        { x: new Date(2006, 0, 1), y: 34, y1: 51, y2: 14, y3: 37 },
        { x: new Date(2007, 0, 1), y: 20, y1: 26, y2: 34, y3: 15 },
        { x: new Date(2008, 0, 1), y: 40, y1: 37, y2: 73, y3: 53 },
        { x: new Date(2009, 0, 1), y: 51, y1: 51, y2: 51, y3: 51 },
        { x: new Date(2010, 0, 1), y: 26, y1: 26, y2: 26, y3: 26 },
        { x: new Date(2011, 0, 1), y: 37, y1: 37, y2: 37, y3: 37 },
        { x: new Date(2012, 0, 1), y: 54, y1: 43, y2: 12, y3: 54 },
        { x: new Date(2013, 0, 1), y: 44, y1: 23, y2: 16, y3: 44 },
        { x: new Date(2014, 0, 1), y: 48, y1: 55, y2: 34, y3: 23 }
    ];

Binding data with series

You can bind data to the chart using the dataSource property within the series configuration. This allows you to connect a JSON dataset or remote data to your chart. To display the data correctly, map the fields from the data to the chart series xName and yName properties.

import { NgModule } from '@angular/core'
import { BrowserModule } from '@angular/platform-browser'
import { ChartModule, ChartAllModule } from '@syncfusion/ej2-angular-charts'
import { AreaSeriesService, RangeAreaSeriesService, StepAreaSeriesService, StackingAreaSeriesService, 
    DateTimeService, CategoryService, MultiColoredAreaSeriesService, StackingStepAreaSeriesService, SplineRangeAreaSeriesService } from '@syncfusion/ej2-angular-charts'



import { Component, OnInit } from '@angular/core';
import { stackedData } from './datasource';
@Component({
imports: [
         ChartModule, ChartAllModule
    ],

providers: [ AreaSeriesService , RangeAreaSeriesService, StepAreaSeriesService, StackingAreaSeriesService,
               DateTimeService, CategoryService, MultiColoredAreaSeriesService,StackingStepAreaSeriesService,SplineRangeAreaSeriesService],
standalone: true,
    selector: 'app-container',
    template: `<ejs-chart id="chart-container" [primaryXAxis]='primaryXAxis'[primaryYAxis]='primaryYAxis' [title]='title'>
        <e-series-collection>
            <e-series [dataSource]='chartData' type='StackingArea100' xName='x' yName='y' name='USA'></e-series>
            <e-series [dataSource]='chartData' type='StackingArea100' xName='x' yName='y1' name='UK'></e-series>
            <e-series [dataSource]='chartData' type='StackingArea100' xName='x' yName='y2' name='Canada'></e-series>
            <e-series [dataSource]='chartData' type='StackingArea100' xName='x' yName='y3' name='China'></e-series>
        </e-series-collection>
    </ejs-chart>`
})
export class AppComponent implements OnInit {
    public primaryXAxis?: Object;
    public chartData?: Object[];
    public title?: string;
    public primaryYAxis?: Object;
    ngOnInit(): void {
        this.chartData = stackedData;
        this.primaryXAxis = {
            valueType: 'DateTime'
        };
        this.title = 'Annual Temperature Comparison';
    }

}
import { bootstrapApplication } from '@angular/platform-browser';
import { AppComponent } from './app.component';
import 'zone.js';
bootstrapApplication(AppComponent).catch((err) => console.error(err));
export let stackedData: Object[] = [
        { x: new Date(2006, 0, 1), y: 34, y1: 51, y2: 14, y3: 37 },
        { x: new Date(2007, 0, 1), y: 20, y1: 26, y2: 34, y3: 15 },
        { x: new Date(2008, 0, 1), y: 40, y1: 37, y2: 73, y3: 53 },
        { x: new Date(2009, 0, 1), y: 51, y1: 51, y2: 51, y3: 51 },
        { x: new Date(2010, 0, 1), y: 26, y1: 26, y2: 26, y3: 26 },
        { x: new Date(2011, 0, 1), y: 37, y1: 37, y2: 37, y3: 37 },
        { x: new Date(2012, 0, 1), y: 54, y1: 43, y2: 12, y3: 54 },
        { x: new Date(2013, 0, 1), y: 44, y1: 23, y2: 16, y3: 44 },
        { x: new Date(2014, 0, 1), y: 48, y1: 55, y2: 34, y3: 23 }
    ];

Series customization

The following properties can be used to customize the 100% stacked area series.

Fill

The fill property determines the color applied to the series.

import { NgModule } from '@angular/core'
import { BrowserModule } from '@angular/platform-browser'
import { ChartModule, ChartAllModule } from '@syncfusion/ej2-angular-charts'
import { AreaSeriesService, RangeAreaSeriesService, StepAreaSeriesService, StackingAreaSeriesService, 
    DateTimeService, CategoryService, MultiColoredAreaSeriesService, StackingStepAreaSeriesService, SplineRangeAreaSeriesService } from '@syncfusion/ej2-angular-charts'



import { Component, OnInit } from '@angular/core';
import { stackedData } from './datasource';
@Component({
imports: [
         ChartModule, ChartAllModule
    ],

providers: [ AreaSeriesService , RangeAreaSeriesService, StepAreaSeriesService, StackingAreaSeriesService,
               DateTimeService, CategoryService, MultiColoredAreaSeriesService,StackingStepAreaSeriesService,SplineRangeAreaSeriesService],
standalone: true,
    selector: 'app-container',
    template: `<ejs-chart id="chart-container" [primaryXAxis]='primaryXAxis'[primaryYAxis]='primaryYAxis' [title]='title'>
        <e-series-collection>
            <e-series [dataSource]='chartData' type='StackingArea100' xName='x' yName='y' name='USA' fill='red'></e-series>
            <e-series [dataSource]='chartData' type='StackingArea100' xName='x' yName='y1' name='UK' fill='yellow'></e-series>
            <e-series [dataSource]='chartData' type='StackingArea100' xName='x' yName='y2' name='Canada' fill='green'></e-series>
            <e-series [dataSource]='chartData' type='StackingArea100' xName='x' yName='y3' name='China' fill='blue'></e-series>
        </e-series-collection>
    </ejs-chart>`
})
export class AppComponent implements OnInit {
    public primaryXAxis?: Object;
    public chartData?: Object[];
    public border?: Object;
    public title?: string;
    public primaryYAxis?: Object;
    ngOnInit(): void {
        this.chartData = stackedData;
        this.border = {
            width: 2.5,
            color: 'white'
        }
        this.primaryXAxis = {
            valueType: 'DateTime'
        };
        this.title = 'Annual Temperature Comparison';
    }

}
import { bootstrapApplication } from '@angular/platform-browser';
import { AppComponent } from './app.component';
import 'zone.js';
bootstrapApplication(AppComponent).catch((err) => console.error(err));
export let stackedData: Object[] = [
        { x: new Date(2006, 0, 1), y: 34, y1: 51, y2: 14, y3: 37 },
        { x: new Date(2007, 0, 1), y: 20, y1: 26, y2: 34, y3: 15 },
        { x: new Date(2008, 0, 1), y: 40, y1: 37, y2: 73, y3: 53 },
        { x: new Date(2009, 0, 1), y: 51, y1: 51, y2: 51, y3: 51 },
        { x: new Date(2010, 0, 1), y: 26, y1: 26, y2: 26, y3: 26 },
        { x: new Date(2011, 0, 1), y: 37, y1: 37, y2: 37, y3: 37 },
        { x: new Date(2012, 0, 1), y: 54, y1: 43, y2: 12, y3: 54 },
        { x: new Date(2013, 0, 1), y: 44, y1: 23, y2: 16, y3: 44 },
        { x: new Date(2014, 0, 1), y: 48, y1: 55, y2: 34, y3: 23 }
    ];

The fill property can be used to apply a gradient color to the 100% stacked area series. By configuring this property with gradient values, you can create a visually appealing effect in which the color transitions smoothly from one shade to another.

import { NgModule } from '@angular/core'
import { BrowserModule } from '@angular/platform-browser'
import { ChartModule, ChartAllModule } from '@syncfusion/ej2-angular-charts'
import { AreaSeriesService, RangeAreaSeriesService, StepAreaSeriesService, StackingAreaSeriesService, 
    DateTimeService, CategoryService, MultiColoredAreaSeriesService, StackingStepAreaSeriesService, SplineRangeAreaSeriesService } from '@syncfusion/ej2-angular-charts'



import { Component, OnInit } from '@angular/core';
import { stackedData } from './datasource';
@Component({
imports: [
         ChartModule, ChartAllModule
    ],

providers: [ AreaSeriesService , RangeAreaSeriesService, StepAreaSeriesService, StackingAreaSeriesService,
               DateTimeService, CategoryService, MultiColoredAreaSeriesService,StackingStepAreaSeriesService,SplineRangeAreaSeriesService],
standalone: true,
    selector: 'app-container',
    template: `<ejs-chart id="chart-container" [primaryXAxis]='primaryXAxis'[primaryYAxis]='primaryYAxis' [title]='title'>
        <e-series-collection>
            <e-series [dataSource]='chartData' type='StackingArea100' xName='x' yName='y' name='USA' fill='url(#gradient1)'></e-series>
            <e-series [dataSource]='chartData' type='StackingArea100' xName='x' yName='y1' name='UK' fill='url(#gradient2)'></e-series>
            <e-series [dataSource]='chartData' type='StackingArea100' xName='x' yName='y2' name='Canada' fill='url(#gradient3)'></e-series>
            <e-series [dataSource]='chartData' type='StackingArea100' xName='x' yName='y3' name='China' fill='url(#gradient4)'></e-series>
        </e-series-collection>
    </ejs-chart>`
})
export class AppComponent implements OnInit {
    public primaryXAxis?: Object;
    public chartData?: Object[];
    public border?: Object;
    public title?: string;
    public primaryYAxis?: Object;
    ngOnInit(): void {
        this.chartData = stackedData;
        this.border = {
            width: 2.5,
            color: 'white'
        }
        this.primaryXAxis = {
            valueType: 'DateTime'
        };
        this.title = 'Annual Temperature Comparison';
    }

}
import { bootstrapApplication } from '@angular/platform-browser';
import { AppComponent } from './app.component';
import 'zone.js';
bootstrapApplication(AppComponent).catch((err) => console.error(err));
export let stackedData: Object[] = [
        { x: new Date(2006, 0, 1), y: 34, y1: 51, y2: 14, y3: 37 },
        { x: new Date(2007, 0, 1), y: 20, y1: 26, y2: 34, y3: 15 },
        { x: new Date(2008, 0, 1), y: 40, y1: 37, y2: 73, y3: 53 },
        { x: new Date(2009, 0, 1), y: 51, y1: 51, y2: 51, y3: 51 },
        { x: new Date(2010, 0, 1), y: 26, y1: 26, y2: 26, y3: 26 },
        { x: new Date(2011, 0, 1), y: 37, y1: 37, y2: 37, y3: 37 },
        { x: new Date(2012, 0, 1), y: 54, y1: 43, y2: 12, y3: 54 },
        { x: new Date(2013, 0, 1), y: 44, y1: 23, y2: 16, y3: 44 },
        { x: new Date(2014, 0, 1), y: 48, y1: 55, y2: 34, y3: 23 }
    ];

Opacity

The opacity property specifies the transparency level of the fill. Adjusting this property allows you to control how opaque or transparent the fill color of the series appears.

import { NgModule } from '@angular/core'
import { BrowserModule } from '@angular/platform-browser'
import { ChartModule, ChartAllModule } from '@syncfusion/ej2-angular-charts'
import { AreaSeriesService, RangeAreaSeriesService, StepAreaSeriesService, StackingAreaSeriesService, 
    DateTimeService, CategoryService, MultiColoredAreaSeriesService, StackingStepAreaSeriesService, SplineRangeAreaSeriesService } from '@syncfusion/ej2-angular-charts'



import { Component, OnInit } from '@angular/core';
import { stackedData } from './datasource';
@Component({
imports: [
         ChartModule, ChartAllModule
    ],

providers: [ AreaSeriesService , RangeAreaSeriesService, StepAreaSeriesService, StackingAreaSeriesService,
               DateTimeService, CategoryService, MultiColoredAreaSeriesService,StackingStepAreaSeriesService,SplineRangeAreaSeriesService],
standalone: true,
    selector: 'app-container',
    template: `<ejs-chart id="chart-container" [primaryXAxis]='primaryXAxis'[primaryYAxis]='primaryYAxis' [title]='title'>
        <e-series-collection>
            <e-series [dataSource]='chartData' type='StackingArea100' xName='x' yName='y' name='USA' opacity='0.5'></e-series>
            <e-series [dataSource]='chartData' type='StackingArea100' xName='x' yName='y1' name='UK' opacity='0.5'></e-series>
            <e-series [dataSource]='chartData' type='StackingArea100' xName='x' yName='y2' name='Canada' opacity='0.5'></e-series>
            <e-series [dataSource]='chartData' type='StackingArea100' xName='x' yName='y3' name='China' opacity='0.5'></e-series>
        </e-series-collection>
    </ejs-chart>`
})
export class AppComponent implements OnInit {
    public primaryXAxis?: Object;
    public chartData?: Object[];
    public border?: Object;
    public title?: string;
    public primaryYAxis?: Object;
    ngOnInit(): void {
        this.chartData = stackedData;
        this.border = {
            width: 2.5,
            color: 'white'
        }
        this.primaryXAxis = {
            valueType: 'DateTime'
        };
        this.title = 'Annual Temperature Comparison';
    }

}
import { bootstrapApplication } from '@angular/platform-browser';
import { AppComponent } from './app.component';
import 'zone.js';
bootstrapApplication(AppComponent).catch((err) => console.error(err));
export let stackedData: Object[] = [
        { x: new Date(2006, 0, 1), y: 34, y1: 51, y2: 14, y3: 37 },
        { x: new Date(2007, 0, 1), y: 20, y1: 26, y2: 34, y3: 15 },
        { x: new Date(2008, 0, 1), y: 40, y1: 37, y2: 73, y3: 53 },
        { x: new Date(2009, 0, 1), y: 51, y1: 51, y2: 51, y3: 51 },
        { x: new Date(2010, 0, 1), y: 26, y1: 26, y2: 26, y3: 26 },
        { x: new Date(2011, 0, 1), y: 37, y1: 37, y2: 37, y3: 37 },
        { x: new Date(2012, 0, 1), y: 54, y1: 43, y2: 12, y3: 54 },
        { x: new Date(2013, 0, 1), y: 44, y1: 23, y2: 16, y3: 44 },
        { x: new Date(2014, 0, 1), y: 48, y1: 55, y2: 34, y3: 23 }
    ];

Border

Use the border property to customize the width, color and dasharray of the series border.

import { NgModule } from '@angular/core'
import { BrowserModule } from '@angular/platform-browser'
import { ChartModule, ChartAllModule } from '@syncfusion/ej2-angular-charts'
import { AreaSeriesService, RangeAreaSeriesService, StepAreaSeriesService, StackingAreaSeriesService, 
    DateTimeService, CategoryService, MultiColoredAreaSeriesService, StackingStepAreaSeriesService, SplineRangeAreaSeriesService } from '@syncfusion/ej2-angular-charts'



import { Component, OnInit } from '@angular/core';
import { stackedData } from './datasource';
@Component({
imports: [
         ChartModule, ChartAllModule
    ],

providers: [ AreaSeriesService , RangeAreaSeriesService, StepAreaSeriesService, StackingAreaSeriesService,
               DateTimeService, CategoryService, MultiColoredAreaSeriesService,StackingStepAreaSeriesService,SplineRangeAreaSeriesService],
standalone: true,
    selector: 'app-container',
    template: `<ejs-chart id="chart-container" [primaryXAxis]='primaryXAxis'[primaryYAxis]='primaryYAxis' [title]='title'>
        <e-series-collection>
            <e-series [dataSource]='chartData' type='StackingArea100' xName='x' yName='y' [border]='border' name='USA' ></e-series>
            <e-series [dataSource]='chartData' type='StackingArea100' xName='x' yName='y1' [border]='border' name='UK' ></e-series>
            <e-series [dataSource]='chartData' type='StackingArea100' xName='x' yName='y2' [border]='border' name='Canada' ></e-series>
            <e-series [dataSource]='chartData' type='StackingArea100' xName='x' yName='y3' [border]='border' name='China' ></e-series>
        </e-series-collection>
    </ejs-chart>`
})
export class AppComponent implements OnInit {
    public primaryXAxis?: Object;
    public chartData?: Object[];
    public border?: Object;
    public title?: string;
    public primaryYAxis?: Object;
    ngOnInit(): void {
        this.chartData = stackedData;
        this.border = {
            width: 2.5,
            color: 'white',
            dashArray: '2,5'
        }
        this.primaryXAxis = {
            valueType: 'DateTime'
        };
        this.title = 'Annual Temperature Comparison';
    }

}
import { bootstrapApplication } from '@angular/platform-browser';
import { AppComponent } from './app.component';
import 'zone.js';
bootstrapApplication(AppComponent).catch((err) => console.error(err));
export let stackedData: Object[] = [
        { x: new Date(2006, 0, 1), y: 34, y1: 51, y2: 14, y3: 37 },
        { x: new Date(2007, 0, 1), y: 20, y1: 26, y2: 34, y3: 15 },
        { x: new Date(2008, 0, 1), y: 40, y1: 37, y2: 73, y3: 53 },
        { x: new Date(2009, 0, 1), y: 51, y1: 51, y2: 51, y3: 51 },
        { x: new Date(2010, 0, 1), y: 26, y1: 26, y2: 26, y3: 26 },
        { x: new Date(2011, 0, 1), y: 37, y1: 37, y2: 37, y3: 37 },
        { x: new Date(2012, 0, 1), y: 54, y1: 43, y2: 12, y3: 54 },
        { x: new Date(2013, 0, 1), y: 44, y1: 23, y2: 16, y3: 44 },
        { x: new Date(2014, 0, 1), y: 48, y1: 55, y2: 34, y3: 23 }
    ];

Empty points

Data points with null or undefined values are considered empty. Empty data points are ignored and not plotted on the chart.

Mode

Use the mode property to define how empty or missing data points are handled in the series. The default mode for empty points is Gap.

import { NgModule } from '@angular/core'
import { BrowserModule } from '@angular/platform-browser'
import { ChartModule, ChartAllModule } from '@syncfusion/ej2-angular-charts'
import { AreaSeriesService, RangeAreaSeriesService, StepAreaSeriesService, StackingAreaSeriesService, 
    DateTimeService, CategoryService, MultiColoredAreaSeriesService, StackingStepAreaSeriesService, SplineRangeAreaSeriesService } from '@syncfusion/ej2-angular-charts'



import { Component, OnInit } from '@angular/core';
import { stackedData } from './datasource';
@Component({
imports: [
         ChartModule, ChartAllModule
    ],

providers: [ AreaSeriesService , RangeAreaSeriesService, StepAreaSeriesService, StackingAreaSeriesService,
               DateTimeService, CategoryService, MultiColoredAreaSeriesService,StackingStepAreaSeriesService,SplineRangeAreaSeriesService],
standalone: true,
    selector: 'app-container',
    template: `<ejs-chart id="chart-container" [primaryXAxis]='primaryXAxis'[primaryYAxis]='primaryYAxis' [title]='title'>
        <e-series-collection>
            <e-series [dataSource]='chartData' type='StackingArea100' xName='x' yName='y' name='USA' [emptyPointSettings]='emptyPointSettings'></e-series>
            <e-series [dataSource]='chartData' type='StackingArea100' xName='x' yName='y1' name='UK'></e-series>
            <e-series [dataSource]='chartData' type='StackingArea100' xName='x' yName='y2' name='Canada' [emptyPointSettings]='emptyPointSettings1'></e-series>
            <e-series [dataSource]='chartData' type='StackingArea100' xName='x' yName='y3' name='China'></e-series>
        </e-series-collection>
    </ejs-chart>`
})
export class AppComponent implements OnInit {
    public primaryXAxis?: Object;
    public chartData?: Object[];
    public title?: string;
    public emptyPointSettings?: Object;
    public emptyPointSettings1?: Object;
    public primaryYAxis?: Object;
    ngOnInit(): void {
        this.chartData = stackedData;
        this.primaryXAxis = {
            valueType: 'DateTime'
        };
        this.title = 'Annual Temperature Comparison';
        this.emptyPointSettings = {mode: 'Zero'};
        this.emptyPointSettings1 = {mode: 'Average'};
    }

}
import { bootstrapApplication } from '@angular/platform-browser';
import { AppComponent } from './app.component';
import 'zone.js';
bootstrapApplication(AppComponent).catch((err) => console.error(err));
export let stackedData: Object[] = [
    { x: new Date(2006, 0, 1), y: 34, y1: 51, y2: 14, y3: 37 },
    { x: new Date(2007, 0, 1), y: 20, y1: 26, y2: 34, y3: 15 },
    { x: new Date(2008, 0, 1), y: null, y1: 37, y2: 73, y3: 53 },
    { x: new Date(2009, 0, 1), y: 51, y1: 51, y2: 51, y3: 51 },
    { x: new Date(2010, 0, 1), y: 26, y1: 26, y2: 26, y3: 26 },
    { x: new Date(2011, 0, 1), y: 37, y1: 37, y2: undefined, y3: 37 },
    { x: new Date(2012, 0, 1), y: 54, y1: 43, y2: 12, y3: 54 },
    { x: new Date(2013, 0, 1), y: 44, y1: 23, y2: 16, y3: 44 },
    { x: new Date(2014, 0, 1), y: 48, y1: 55, y2: 34, y3: 23 }
];

Fill

Use the fill property to customize the fill color of empty points in the series.

import { NgModule } from '@angular/core'
import { BrowserModule } from '@angular/platform-browser'
import { ChartModule, ChartAllModule } from '@syncfusion/ej2-angular-charts'
import { AreaSeriesService, RangeAreaSeriesService, StepAreaSeriesService, StackingAreaSeriesService, 
    DateTimeService, CategoryService, MultiColoredAreaSeriesService, StackingStepAreaSeriesService, SplineRangeAreaSeriesService } from '@syncfusion/ej2-angular-charts'



import { Component, OnInit } from '@angular/core';
import { stackedData } from './datasource';
@Component({
imports: [
         ChartModule, ChartAllModule
    ],

providers: [ AreaSeriesService , RangeAreaSeriesService, StepAreaSeriesService, StackingAreaSeriesService,
               DateTimeService, CategoryService, MultiColoredAreaSeriesService,StackingStepAreaSeriesService,SplineRangeAreaSeriesService],
standalone: true,
    selector: 'app-container',
    template: `<ejs-chart id="chart-container" [primaryXAxis]='primaryXAxis'[primaryYAxis]='primaryYAxis' [title]='title'>
        <e-series-collection>
            <e-series [dataSource]='chartData' type='StackingArea100' xName='x' yName='y' name='USA' [marker]='marker' [emptyPointSettings]='emptyPointSettings'></e-series>
            <e-series [dataSource]='chartData' type='StackingArea100' xName='x' yName='y1' name='UK'></e-series>
            <e-series [dataSource]='chartData' type='StackingArea100' xName='x' yName='y2' name='Canada' [emptyPointSettings]='emptyPointSettings1'></e-series>
            <e-series [dataSource]='chartData' type='StackingArea100' xName='x' yName='y3' name='China'></e-series>
        </e-series-collection>
    </ejs-chart>`
})
export class AppComponent implements OnInit {
    public primaryXAxis?: Object;
    public chartData?: Object[];
    public title?: string;
    public emptyPointSettings?: Object;
    public emptyPointSettings1?: Object;
    public primaryYAxis?: Object;
    public marker?: Object;
    ngOnInit(): void {
        this.chartData = stackedData;
        this.primaryXAxis = {
            valueType: 'DateTime'
        };
        this.marker = {visible: true};
        this.title = 'Annual Temperature Comparison';
        this.emptyPointSettings = {mode: 'Zero', fill: 'red'};
        this.emptyPointSettings1 = {mode: 'Average'};
    }

}
import { bootstrapApplication } from '@angular/platform-browser';
import { AppComponent } from './app.component';
import 'zone.js';
bootstrapApplication(AppComponent).catch((err) => console.error(err));
export let stackedData: Object[] = [
    { x: new Date(2006, 0, 1), y: 34, y1: 51, y2: 14, y3: 37 },
    { x: new Date(2007, 0, 1), y: 20, y1: 26, y2: 34, y3: 15 },
    { x: new Date(2008, 0, 1), y: null, y1: 37, y2: 73, y3: 53 },
    { x: new Date(2009, 0, 1), y: 51, y1: 51, y2: 51, y3: 51 },
    { x: new Date(2010, 0, 1), y: 26, y1: 26, y2: 26, y3: 26 },
    { x: new Date(2011, 0, 1), y: 37, y1: 37, y2: undefined, y3: 37 },
    { x: new Date(2012, 0, 1), y: 54, y1: 43, y2: 12, y3: 54 },
    { x: new Date(2013, 0, 1), y: 44, y1: 23, y2: 16, y3: 44 },
    { x: new Date(2014, 0, 1), y: 48, y1: 55, y2: 34, y3: 23 }
];

Border

Use the border property to customize the width and color of the border for empty points.

import { NgModule } from '@angular/core'
import { BrowserModule } from '@angular/platform-browser'
import { ChartModule, ChartAllModule } from '@syncfusion/ej2-angular-charts'
import { AreaSeriesService, RangeAreaSeriesService, StepAreaSeriesService, StackingAreaSeriesService, 
    DateTimeService, CategoryService, MultiColoredAreaSeriesService, StackingStepAreaSeriesService, SplineRangeAreaSeriesService } from '@syncfusion/ej2-angular-charts'



import { Component, OnInit } from '@angular/core';
import { stackedData } from './datasource';
@Component({
imports: [
         ChartModule, ChartAllModule
    ],

providers: [ AreaSeriesService , RangeAreaSeriesService, StepAreaSeriesService, StackingAreaSeriesService,
               DateTimeService, CategoryService, MultiColoredAreaSeriesService,StackingStepAreaSeriesService,SplineRangeAreaSeriesService],
standalone: true,
    selector: 'app-container',
    template: `<ejs-chart id="chart-container" [primaryXAxis]='primaryXAxis'[primaryYAxis]='primaryYAxis' [title]='title'>
        <e-series-collection>
            <e-series [dataSource]='chartData' type='StackingArea100' xName='x' yName='y' name='USA' [marker]='marker' [emptyPointSettings]='emptyPointSettings'></e-series>
            <e-series [dataSource]='chartData' type='StackingArea100' xName='x' yName='y1' name='UK'></e-series>
            <e-series [dataSource]='chartData' type='StackingArea100' xName='x' yName='y2' name='Canada' [emptyPointSettings]='emptyPointSettings1'></e-series>
            <e-series [dataSource]='chartData' type='StackingArea100' xName='x' yName='y3' name='China'></e-series>
        </e-series-collection>
    </ejs-chart>`
})
export class AppComponent implements OnInit {
    public primaryXAxis?: Object;
    public chartData?: Object[];
    public title?: string;
    public emptyPointSettings?: Object;
    public emptyPointSettings1?: Object;
    public primaryYAxis?: Object;
    public marker?: Object;
    ngOnInit(): void {
        this.chartData = stackedData;
        this.primaryXAxis = {
            valueType: 'DateTime'
        };
        this.marker = {visible: true};
        this.title = 'Annual Temperature Comparison';
        this.emptyPointSettings = {mode: 'Zero', fill: 'red', border:{width: 2, color: 'green'}};
        this.emptyPointSettings1 = {mode: 'Average'};
    }

}
import { bootstrapApplication } from '@angular/platform-browser';
import { AppComponent } from './app.component';
import 'zone.js';
bootstrapApplication(AppComponent).catch((err) => console.error(err));
export let stackedData: Object[] = [
    { x: new Date(2006, 0, 1), y: 34, y1: 51, y2: 14, y3: 37 },
    { x: new Date(2007, 0, 1), y: 20, y1: 26, y2: 34, y3: 15 },
    { x: new Date(2008, 0, 1), y: null, y1: 37, y2: 73, y3: 53 },
    { x: new Date(2009, 0, 1), y: 51, y1: 51, y2: 51, y3: 51 },
    { x: new Date(2010, 0, 1), y: 26, y1: 26, y2: 26, y3: 26 },
    { x: new Date(2011, 0, 1), y: 37, y1: 37, y2: undefined, y3: 37 },
    { x: new Date(2012, 0, 1), y: 54, y1: 43, y2: 12, y3: 54 },
    { x: new Date(2013, 0, 1), y: 44, y1: 23, y2: 16, y3: 44 },
    { x: new Date(2014, 0, 1), y: 48, y1: 55, y2: 34, y3: 23 }
];

Events

Series render

The seriesRender event allows you to customize series properties, such as data, fill, and name, before they are rendered on the chart.

import { NgModule } from '@angular/core'
import { BrowserModule } from '@angular/platform-browser'
import { ChartModule, ChartAllModule } from '@syncfusion/ej2-angular-charts'
import { ISeriesRenderEventArgs } from '@syncfusion/ej2-charts'
import { AreaSeriesService, RangeAreaSeriesService, StepAreaSeriesService, StackingAreaSeriesService, 
    DateTimeService, CategoryService, MultiColoredAreaSeriesService, StackingStepAreaSeriesService, SplineRangeAreaSeriesService } from '@syncfusion/ej2-angular-charts'



import { Component, OnInit } from '@angular/core';
import { stackedData } from './datasource';
@Component({
imports: [
         ChartModule, ChartAllModule
    ],

providers: [ AreaSeriesService , RangeAreaSeriesService, StepAreaSeriesService, StackingAreaSeriesService,
               DateTimeService, CategoryService, MultiColoredAreaSeriesService,StackingStepAreaSeriesService,SplineRangeAreaSeriesService],
standalone: true,
    selector: 'app-container',
    template: `<ejs-chart id="chart-container" (seriesRender)='seriesRender($event)' [primaryXAxis]='primaryXAxis'[primaryYAxis]='primaryYAxis' [title]='title'>
        <e-series-collection>
            <e-series [dataSource]='chartData' type='StackingArea100' xName='x' yName='y' name='USA'></e-series>
            <e-series [dataSource]='chartData' type='StackingArea100' xName='x' yName='y1' name='UK'></e-series>
            <e-series [dataSource]='chartData' type='StackingArea100' xName='x' yName='y2' name='Canada'></e-series>
            <e-series [dataSource]='chartData' type='StackingArea100' xName='x' yName='y3' name='China'></e-series>
        </e-series-collection>
    </ejs-chart>`
})
export class AppComponent implements OnInit {
    public primaryXAxis?: Object;
    public chartData?: Object[];
    public title?: string;
    public primaryYAxis?: Object;
    ngOnInit(): void {
        this.chartData = stackedData;
        this.primaryXAxis = {
            valueType: 'DateTime'
        };
        this.title = 'Annual Temperature Comparison';
    }
    public seriesRender(args: ISeriesRenderEventArgs) {
        if (args.series.index === 0) {
            args.fill = '#ff4251';
        }
        else if (args.series.index === 1) {
            args.fill = '#4C4C4C';
        }
        else if (args.series.index === 2) {
            args.fill = '#794F1B';
        }
        else if (args.series.index === 3) {
            args.fill = '#1a9a6f';
        }
    }
}
import { bootstrapApplication } from '@angular/platform-browser';
import { AppComponent } from './app.component';
import 'zone.js';
bootstrapApplication(AppComponent).catch((err) => console.error(err));
export let stackedData: Object[] = [
        { x: new Date(2006, 0, 1), y: 34, y1: 51, y2: 14, y3: 37 },
        { x: new Date(2007, 0, 1), y: 20, y1: 26, y2: 34, y3: 15 },
        { x: new Date(2008, 0, 1), y: 40, y1: 37, y2: 73, y3: 53 },
        { x: new Date(2009, 0, 1), y: 51, y1: 51, y2: 51, y3: 51 },
        { x: new Date(2010, 0, 1), y: 26, y1: 26, y2: 26, y3: 26 },
        { x: new Date(2011, 0, 1), y: 37, y1: 37, y2: 37, y3: 37 },
        { x: new Date(2012, 0, 1), y: 54, y1: 43, y2: 12, y3: 54 },
        { x: new Date(2013, 0, 1), y: 44, y1: 23, y2: 16, y3: 44 },
        { x: new Date(2014, 0, 1), y: 48, y1: 55, y2: 34, y3: 23 }
    ];

Point render

The pointRender event allows you to customize each data point before it is rendered on the chart.

import { NgModule } from '@angular/core'
import { BrowserModule } from '@angular/platform-browser'
import { ChartModule, ChartAllModule } from '@syncfusion/ej2-angular-charts'
import { IPointRenderEventArgs } from '@syncfusion/ej2-charts'
import { AreaSeriesService, RangeAreaSeriesService, StepAreaSeriesService, StackingAreaSeriesService, 
    DateTimeService, CategoryService, MultiColoredAreaSeriesService, StackingStepAreaSeriesService, SplineRangeAreaSeriesService } from '@syncfusion/ej2-angular-charts'



import { Component, OnInit } from '@angular/core';
import { stackedData } from './datasource';
@Component({
imports: [
         ChartModule, ChartAllModule
    ],

providers: [ AreaSeriesService , RangeAreaSeriesService, StepAreaSeriesService, StackingAreaSeriesService,
               DateTimeService, CategoryService, MultiColoredAreaSeriesService,StackingStepAreaSeriesService,SplineRangeAreaSeriesService],
standalone: true,
    selector: 'app-container',
    template: `<ejs-chart id="chart-container" (pointRender)='pointRender($event)' [primaryXAxis]='primaryXAxis'[primaryYAxis]='primaryYAxis' [title]='title'>
        <e-series-collection>
            <e-series [dataSource]='chartData' type='StackingArea100' xName='x' [marker]='marker' yName='y' name='USA'></e-series>
            <e-series [dataSource]='chartData' type='StackingArea100' xName='x' [marker]='marker' yName='y1' name='UK'></e-series>
            <e-series [dataSource]='chartData' type='StackingArea100' xName='x' [marker]='marker' yName='y2' name='Canada'></e-series>
            <e-series [dataSource]='chartData' type='StackingArea100' xName='x' [marker]='marker' yName='y3' name='China'></e-series>
        </e-series-collection>
    </ejs-chart>`
})
export class AppComponent implements OnInit {
    public primaryXAxis?: Object;
    public chartData?: Object[];
    public title?: string;
    public primaryYAxis?: Object;
    public marker?: Object;
    ngOnInit(): void {
        this.chartData = stackedData;
        this.primaryXAxis = {
            valueType: 'DateTime'
        };
        this.title = 'Annual Temperature Comparison';
        this.marker = {visible: true}
    }
    public pointRender(args: IPointRenderEventArgs) {
        if (args.series.index === 0) {
            args.fill = '#ff4251';
        }
        else if (args.series.index === 1) {
            args.fill = '#4C4C4C';
        }
        else if (args.series.index === 2) {
            args.fill = '#794F1B';
        }
        else if (args.series.index === 3) {
            args.fill = '#1a9a6f';
        }
    }
}
import { bootstrapApplication } from '@angular/platform-browser';
import { AppComponent } from './app.component';
import 'zone.js';
bootstrapApplication(AppComponent).catch((err) => console.error(err));
export let stackedData: Object[] = [
        { x: new Date(2006, 0, 1), y: 34, y1: 51, y2: 14, y3: 37 },
        { x: new Date(2007, 0, 1), y: 20, y1: 26, y2: 34, y3: 15 },
        { x: new Date(2008, 0, 1), y: 40, y1: 37, y2: 73, y3: 53 },
        { x: new Date(2009, 0, 1), y: 51, y1: 51, y2: 51, y3: 51 },
        { x: new Date(2010, 0, 1), y: 26, y1: 26, y2: 26, y3: 26 },
        { x: new Date(2011, 0, 1), y: 37, y1: 37, y2: 37, y3: 37 },
        { x: new Date(2012, 0, 1), y: 54, y1: 43, y2: 12, y3: 54 },
        { x: new Date(2013, 0, 1), y: 44, y1: 23, y2: 16, y3: 44 },
        { x: new Date(2014, 0, 1), y: 48, y1: 55, y2: 34, y3: 23 }
    ];

See Also