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100% Stacked Area Chart in Angular Charts

3 Feb 202624 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 controls the transparency of the fill and affects how the series blends with background or overlapping 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' 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 border property to configure the border width, color, and dasharray of the 100% stacked area 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' [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 control handling of empty points. Available modes: Gap, Drop, Zero, Average. The default mode 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 set the fill color 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'};
        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 border width and color 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 enables modification of series properties (for example, data, fill, or name) immediately before rendering. Use this event to adjust series appearance or to dynamically swap data sources.

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 provides a hook to customize each data point (for example, marker shape, border, or fill) before it is drawn. Use this to apply per-point styling rules or conditional formatting.

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