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Pie & Doughnut in Angular Accumulation Chart component

Pie Chart

To render a pie series, use the series type as Pie and inject the PieSeriesService module into the @NgModule.providers. If the PieSeries module is not injected, this module will be loaded by default.

To known about circular and triangular charts, you can check on this video:

Source
Preview
app.component.ts
app.module.ts
main.ts
import { Component, OnInit } from '@angular/core';
import { pieData } from 'datasource.ts';
@Component({
    selector: 'app-container',
    template:
    `<ejs-accumulationchart id="chart-container" [legendSettings]='legendSettings'>
        <e-accumulation-series-collection>
            <e-accumulation-series [dataSource]='piedata' xName='x' yName='y' type='Pie'></e-accumulation-series>
        </e-accumulation-series-collection>
    </ejs-accumulationchart>`
})
export class AppComponent implements OnInit {
    public piedata: Object[];
    public legendSettings: Object;
    ngOnInit(): void {
        this.piedata = pieData;
        this.legendSettings = {
            visible: false
        };
    }

}
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { AppComponent } from './app.component';
import { AccumulationChartModule } from '@syncfusion/ej2-angular-charts';
import { PieSeriesService, AccumulationLegendService, AccumulationTooltipService, AccumulationAnnotationService,
  AccumulationDataLabelService } from '@syncfusion/ej2-angular-charts';

/**
 * Module
 */
@NgModule({
    imports: [
        BrowserModule, AccumulationChartModule
    ],
    declarations: [AppComponent],
    bootstrap: [AppComponent],
    providers: [PieSeriesService, AccumulationLegendService, AccumulationTooltipService, AccumulationDataLabelService,
     AccumulationAnnotationService]
})
export class AppModule { }
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { enableProdMode } from '@angular/core';
import { AppModule } from './app.module';

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

Radius Customization

By default, radius of the pie series will be 80% of the size (minimum of chart width and height). You can customize this using radius property of the series.

Source
Preview
app.component.ts
app.module.ts
main.ts
import { Component, OnInit } from '@angular/core';
import { pieData } from 'datasource.ts';
@Component({
    selector: 'app-container',
    template:
    `<ejs-accumulationchart id="chart-container" [legendSettings]='legendSettings'>
        <e-accumulation-series-collection>
            <e-accumulation-series [dataSource]='piedata' xName='x' yName='y' radius="100%"></e-accumulation-series>
        </e-accumulation-series-collection>
    </ejs-accumulationchart>`
})
export class AppComponent implements OnInit {
    public piedata: Object[];
    public legendSettings: Object;
    ngOnInit(): void {
        this.piedata = pieData;
        this.legendSettings = {
            visible: false
        };
    }

}
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { AppComponent } from './app.component';
import { AccumulationChartModule } from '@syncfusion/ej2-angular-charts';
import { PieSeriesService, AccumulationLegendService, AccumulationTooltipService, AccumulationAnnotationService,
  AccumulationDataLabelService } from '@syncfusion/ej2-angular-charts';

/**
 * Module
 */
@NgModule({
    imports: [
        BrowserModule, AccumulationChartModule
    ],
    declarations: [AppComponent],
    bootstrap: [AppComponent],
    providers: [PieSeriesService, AccumulationLegendService, AccumulationTooltipService, AccumulationDataLabelService,
     AccumulationAnnotationService]
})
export class AppModule { }
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { enableProdMode } from '@angular/core';
import { AppModule } from './app.module';

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

Pie Center

The center position of the pie can be changed by Center X and Center Y. By default, center value of the pie series x and y is 50%. You can customize this using center property of the series.

Source
Preview
app.component.ts
app.module.ts
main.ts
import { Component, OnInit } from '@angular/core';
import { data } from 'datasource.ts';
@Component({
    selector: 'app-container',
    template:
    `<ejs-accumulationchart id="container" width='92%' [legendSettings]="legendSettings" [title]="title" [enableAnimation]= 'enableAnimation' [center]='center'>
            <e-accumulation-series-collection>
                <e-accumulation-series name='Browser' [dataSource]='pieData' xName='x' yName='y' [startAngle]="startAngle" [endAngle]="endAngle" innerRadius="0%" radius="70%" [explode]='explode' explodeOffset='10%' [explodeIndex]='0'>
                </e-accumulation-series>
            </e-accumulation-series-collection>
    </ejs-accumulationchart>`
})
export class AppComponent implements OnInit {
    public pieData: Object[];
    public startAngle: number;
    public endAngle: number;
    public center: Object ;
    public explode: boolean ;
    public enableAnimation: boolean ;
    public title: string ;
    public legendSettings: Object;
    ngOnInit(): void {
    this.pieData = data;
        this.legendSettings = {
            visible: false
        };
    this.center = {x: '60%', y: '60%'};
    this.startAngle = 0;
    this.endAngle = 360;
    this.explode = true;
    this.enableAnimation = false;
    this.title = 'Mobile Browser Statistics';
    }

}
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { AppComponent } from './app.component';
import { AccumulationChartModule } from '@syncfusion/ej2-angular-charts';
import { PieSeriesService, AccumulationLegendService, AccumulationTooltipService, AccumulationAnnotationService,
  AccumulationDataLabelService } from '@syncfusion/ej2-angular-charts';

/**
 * Module
 */
@NgModule({
    imports: [
        BrowserModule, AccumulationChartModule
    ],
    declarations: [AppComponent],
    bootstrap: [AppComponent],
    providers: [PieSeriesService, AccumulationLegendService, AccumulationTooltipService, AccumulationDataLabelService,
     AccumulationAnnotationService]
})
export class AppModule { }
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { enableProdMode } from '@angular/core';
import { AppModule } from './app.module';

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

Various Radius Pie Chart

You can use radius mapping to render the slice with different radius pie and also use border , fill properties to customize the point. dataLabel is used to represent individual data and its value.

Source
Preview
app.component.ts
app.module.ts
main.ts
import { Component, OnInit } from '@angular/core';
import { variespiedata } from 'datasource.ts';
@Component({
    selector: 'app-container',
    template:
    `<ejs-accumulationchart id="container" width='92%' [legendSettings]="legendSettings" [title]="title" [enableAnimation]= 'enableAnimation'>
            <e-accumulation-series-collection>
                <e-accumulation-series name='Browser' [dataSource]='pieData' xName='x' yName='y' [startAngle]="startAngle" [endAngle]="endAngle" innerRadius="20%" radius="r">
                </e-accumulation-series>
            </e-accumulation-series-collection>
    </ejs-accumulationchart>`
})
export class AppComponent implements OnInit {
    public pieData: Object[];
    public startAngle: number;
    public endAngle: number;
    public center: Object ;
    public explode: boolean ;
    public enableAnimation: boolean ;
    public title: string ;
    public radius: string ;
    public legendSettings: Object;
    ngOnInit(): void {
    this.pieData = variespiedata;
        this.legendSettings = {
            visible: false
        };
    this.startAngle = 0;
    this.endAngle = 360;
    this.radius = 'r';
    this.enableAnimation = true;
    this.title = 'Mobile Browser Statistics';
    }

}
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { AppComponent } from './app.component';
import { AccumulationChartModule } from '@syncfusion/ej2-angular-charts';
import { PieSeriesService, AccumulationLegendService, AccumulationTooltipService, AccumulationAnnotationService,
  AccumulationDataLabelService } from '@syncfusion/ej2-angular-charts';

/**
 * Module
 */
@NgModule({
    imports: [
        BrowserModule, AccumulationChartModule
    ],
    declarations: [AppComponent],
    bootstrap: [AppComponent],
    providers: [PieSeriesService, AccumulationLegendService, AccumulationTooltipService, AccumulationDataLabelService,
     AccumulationAnnotationService]
})
export class AppModule { }
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { enableProdMode } from '@angular/core';
import { AppModule } from './app.module';

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

Doughnut Chart

To achieve a doughnut in pie series, customize the innerRadius property of the series. By setting value greater than 0%, a doughnut will appear. The innerRadius property takes value from 0% to 100% of the pie radius.

Source
Preview
app.component.ts
app.module.ts
main.ts
import { Component, OnInit } from '@angular/core';
import { pieData } from 'datasource.ts';
@Component({
    selector: 'app-container',
    template:
    `<ejs-accumulationchart id="chart-container" [legendSettings]='legendSettings'>
        <e-accumulation-series-collection>
            <e-accumulation-series [dataSource]='piedata' xName='x' yName='y' innerRadius='40%'></e-accumulation-series>
        </e-accumulation-series-collection>
    </ejs-accumulationchart>`
})
export class AppComponent implements OnInit {
    public piedata: Object[];
    public legendSettings: Object;
    ngOnInit(): void {
        this.piedata = pieData;
         this.legendSettings = {
            visible: false
        };
    }

}
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { AppComponent } from './app.component';
import { AccumulationChartModule } from '@syncfusion/ej2-angular-charts';
import { PieSeriesService, AccumulationLegendService, AccumulationTooltipService, AccumulationAnnotationService,
  AccumulationDataLabelService } from '@syncfusion/ej2-angular-charts';

/**
 * Module
 */
@NgModule({
    imports: [
        BrowserModule, AccumulationChartModule
    ],
    declarations: [AppComponent],
    bootstrap: [AppComponent],
    providers: [PieSeriesService, AccumulationLegendService, AccumulationTooltipService, AccumulationDataLabelService,
     AccumulationAnnotationService]
})
export class AppModule { }
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { enableProdMode } from '@angular/core';
import { AppModule } from './app.module';

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

Start and End angles

You can customize the start and end angle of the pie series using the startAngle and endAngle properties. The default value of startAngle is 0 degree, and endAngle is 360 degrees. By customizing this, you can achieve a semi pie series.

Source
Preview
app.component.ts
app.module.ts
main.ts
import { Component, OnInit } from '@angular/core';
import { pieData } from 'datasource.ts';
@Component({
    selector: 'app-container',
    template:
    `<ejs-accumulationchart id="chart-container" [legendSettings]='legendSettings'>
        <e-accumulation-series-collection>
            <e-accumulation-series [dataSource]='piedata' xName='x' yName='y' [startAngle]='startAngle' [endAngle]='endAngle' [dataLabel]='datalabel'></e-accumulation-series>
        </e-accumulation-series-collection>
    </ejs-accumulationchart>`
})
export class AppComponent implements OnInit {
    public piedata: Object[];
    public startAngle: number;
    public endAngle: number;
    public datalabel: Object;
    public legendSettings: Object;
    ngOnInit(): void {
        this.startAngle = 270;
        this.endAngle = 90;
        this.datalabel = { visible: true, name: 'text', position: 'Outside' };
        this.piedata = pieData;
         this.legendSettings = {
            visible: false
        };
    }

}
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { AppComponent } from './app.component';
import { AccumulationChartModule } from '@syncfusion/ej2-angular-charts';
import { PieSeriesService, AccumulationLegendService, AccumulationTooltipService, AccumulationAnnotationService,
  AccumulationDataLabelService } from '@syncfusion/ej2-angular-charts';

/**
 * Module
 */
@NgModule({
    imports: [
        BrowserModule, AccumulationChartModule
    ],
    declarations: [AppComponent],
    bootstrap: [AppComponent],
    providers: [PieSeriesService, AccumulationLegendService, AccumulationTooltipService, AccumulationDataLabelService,
     AccumulationAnnotationService]
})
export class AppModule { }
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { enableProdMode } from '@angular/core';
import { AppModule } from './app.module';

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

Color & Text Mapping

The fill color and the text in the data source can be mapped to the chart using pointColorMapping in series and name in datalabel respectively.

Source
Preview
app.component.ts
app.module.ts
main.ts
import { Component, OnInit } from '@angular/core';
import { dataMapping } from 'datasource.ts';
@Component({
    selector: 'app-container',
    template:
    `<ejs-accumulationchart id="chart-container" [legendSettings]='legendSettings'>
        <e-accumulation-series-collection>
            <e-accumulation-series [dataSource]='piedata' xName='x' yName='y' [pointColorMapping]= 'map' [dataLabel]='datalabel'></e-accumulation-series>
        </e-accumulation-series-collection>
    </ejs-accumulationchart>`
})
export class AppComponent implements OnInit {
    public piedata: Object[];
    public map: Object = 'fill';
    public datalabel: Object;
    public legendSettings: Object;
    ngOnInit(): void {
        this.piedata = dataMapping;
        this.datalabel = { visible: true, name: 'text', position: 'Outside' };
        this.legendSettings = {
            visible: false
        };
    }

}
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { AppComponent } from './app.component';
import { AccumulationChartModule } from '@syncfusion/ej2-angular-charts';
import { PieSeriesService, AccumulationLegendService, AccumulationTooltipService, AccumulationAnnotationService,
  AccumulationDataLabelService } from '@syncfusion/ej2-angular-charts';

/**
 * Module
 */
@NgModule({
    imports: [
        BrowserModule, AccumulationChartModule
    ],
    declarations: [AppComponent],
    bootstrap: [AppComponent],
    providers: [PieSeriesService, AccumulationLegendService, AccumulationTooltipService, AccumulationDataLabelService,
     AccumulationAnnotationService]
})
export class AppModule { }
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { enableProdMode } from '@angular/core';
import { AppModule } from './app.module';

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

Hide pie or doughnut border

By default, the border will appear in the pie/doughnut chart while mouse hover on the chart. You can disable the the border by setting enableBorderOnMouseMove property is false.

Source
Preview
app.component.ts
app.module.ts
main.ts
import { Component, OnInit } from '@angular/core';
import { dataMapping } from 'datasource.ts';
@Component({
    selector: 'app-container',
    template:
    `<ejs-accumulationchart id="chart-container" [legendSettings]='legendSettings' [enableBorderOnMouseMove]='enableBorderOnMouseMove'>
        <e-accumulation-series-collection>
            <e-accumulation-series [dataSource]='piedata' xName='x' yName='y' [dataLabel]='datalabel'></e-accumulation-series>
        </e-accumulation-series-collection>
    </ejs-accumulationchart>`
})
export class AppComponent implements OnInit {
    public piedata: Object[];
    public datalabel: Object;
    public legendSettings: Object;
    public enableBorderOnMouseMove: boolean;
    ngOnInit(): void {
        this.enableBorderOnMouseMove = false;
        this.piedata = dataMapping;
        this.datalabel = { visible: true, name: 'text', position: 'Outside' };
        this.legendSettings = {
            visible: false
        };
    }

}
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { AppComponent } from './app.component';
import { AccumulationChartModule } from '@syncfusion/ej2-angular-charts';
import { PieSeriesService, AccumulationLegendService, AccumulationTooltipService, AccumulationAnnotationService,
  AccumulationDataLabelService } from '@syncfusion/ej2-angular-charts';

/**
 * Module
 */
@NgModule({
    imports: [
        BrowserModule, AccumulationChartModule
    ],
    declarations: [AppComponent],
    bootstrap: [AppComponent],
    providers: [PieSeriesService, AccumulationLegendService, AccumulationTooltipService, AccumulationDataLabelService,
     AccumulationAnnotationService]
})
export class AppModule { }
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { enableProdMode } from '@angular/core';
import { AppModule } from './app.module';

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