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Getting started with Angular Bullet Chart component

This section explains you the steps required to create a simple Bullet Chart and demonstrate the basic usage of the Bullet Chart component in an Angular environment.

Setup Angular Environment

You can use Angular CLI to setup your Angular applications. To install Angular CLI use the following command.

npm install -g @angular/cli

Create an Angular Application

Start a new Angular application using below Angular CLI command.

ng new my-app
cd my-app

Adding Syncfusion Bullet Chart package

All the available Essential JS 2 packages are published in npmjs.com registry.

To install Bullet Chart component, use the following command.

npm install @syncfusion/ej2-angular-charts --save

The —save will instruct NPM to include the bullet chart package inside of the dependencies section of the package.json.

Registering Bullet Chart Module

Import Bullet Chart module into Angular application(app.module.ts) from the package @syncfusion/ej2-angular-charts [src/app/app.module.ts].

import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
// import the BulletChartModule for the Chart component
import { BulletChartModule } from '@syncfusion/ej2-angular-charts';
import { AppComponent }  from './app.component';

@NgModule({
  //declaration of ChartModule into NgModule
  imports:      [ BrowserModule, BulletChartModule ],
  declarations: [ AppComponent ],
  bootstrap:    [ AppComponent ]
})
export class AppModule { }
  • Modify the template in app.component.ts file to render the ej2-angular-charts component [src/app/app.component.ts].
import { Component, ViewEncapsulation } from '@angular/core';

@Component({
  selector: 'app-container',
  // specifies the template string for the Bullet Charts component
  template: `<ejs-bulletchart id='container'></ejs-bulletchart>`,
  encapsulation: ViewEncapsulation.None
})
export class AppComponent  { }

Now use the app-container in the index.html instead of default one.

<app-container></app-container>
  • Now run the application in the browser using the below command.
npm start

The below example shows a basic Charts.

Source
Preview
app.component.ts
app.module.ts
main.ts
import { Component } from '@angular/core';

@Component({
    selector: 'app-container',
    // specifies the template string for the Chart component
    template: `<ejs-chart id="chart-container"></ejs-chart>`
})
export class AppComponent {

}
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { AppComponent } from './app.component';
import { BulletChartModule} from '@syncfusion/ej2-angular-charts';

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

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

Module Injection

Bullet Chart component are segregated into individual feature-wise modules. In order to use a particular feature, you need to inject its feature service in the AppModule. Please find relevant feature service name and description as follows.

  • BulletTooltipService - Inject this provider to use tooltip feature.

These modules should be injected to the provider section as follows,

    import { NgModule } from '@angular/core';
    import { BrowserModule } from '@angular/platform-browser';
    import { AppComponent } from './app.component';
    import { BulletChartComponent } from '@syncfusion/ej2-angular-charts';
    import { BulletTooltipService } from '@syncfusion/ej2-angular-charts';
    @NgModule({
        imports: [
            BrowserModule,
        ],
        declarations: [AppComponent, BulletChartComponent],
        bootstrap: [AppComponent],
        providers: [ BulletTooltipService ]
    })

Bullet Chart with Data

This section explains how to plot local data to the bullet chart.

    export class AppComponent implements OnInit {
    public data: Object[];
    ngOnInit(): void {
        // Data for bullet chart
        this.data = [
       { value: 100, target: 80 },
       { value: 200, target: 180 },
       { value: 300, target: 280 },
       { value: 400, target: 380 },
       { value: 500, target: 480 },
        ];
    }
}

Now assign the local data to dataSource property. value and target values should be mapped with valueName and targetName respectively.

Source
Preview
app.component.ts
app.module.ts
main.ts
import { Component } from '@angular/core';

@Component({
    selector: 'app-container',
    template: `<ejs-bulletchart valueName='value' targetName='target'
                [minimum]='minimum' [maximum]='maximum' [interval]='interval' [dataSource]='data'>
                </ejs-bulletchart>`
})
export class AppComponent {
  public minimum: number = 0;
  public maximum: number = 300;
  public interval: number = 50;
  public data: Object[] = [
       { value: 100, target: 80 },
       { value: 200, target: 180 },
       { value: 300, target: 280 },
       { value: 400, target: 380 },
       { value: 500, target: 480 },
    ];
}
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { AppComponent } from './app.component';
import { BulletChartModule } from '@syncfusion/ej2-angular-charts';

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

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

Add Bullet Chart Title

You can add a title using title property to the bullet chart to provide quick information to the user about the data plotted in the bullet chart.

Source
Preview
app.component.ts
app.module.ts
main.ts
import { Component } from '@angular/core';

@Component({
    selector: 'app-container',
    template: `<ejs-bulletchart valueName='value' targetName='target' title='Revenue'
                [minimum]='minimum' [maximum]='maximum' [interval]='interval' [dataSource]='data'>
                </ejs-bulletchart>`
})
export class AppComponent {
  public minimum: number = 0;
  public maximum: number = 300;
  public interval: number = 50;
  public data: Object[] = [
       { value: 270, target: 250 }
    ];
}
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { AppComponent } from './app.component';
import { BulletChartModule} from '@syncfusion/ej2-angular-charts';

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

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

Ranges

You can add a range using ranges property to the bullet chart.

Source
Preview
app.component.ts
app.module.ts
main.ts
import { Component } from '@angular/core';

@Component({
    selector: 'app-container',
    template: `<ejs-bulletchart valueName='value' targetName='target' title='Revenue'
                [minimum]='minimum' [maximum]='maximum' [interval]='interval' [dataSource]='data'>
                <e-bullet-range-collection>
                <e-bullet-range end='100' color='#ebebeb'></e-bullet-range>
                <e-bullet-range end='200' color='#d8d8d8'></e-bullet-range>
                <e-bullet-range end='300' color='#7f7f7f'></e-bullet-range>
                </e-bullet-range-collection>
                </ejs-bulletchart>`
})
export class AppComponent {
  public minimum: number = 0;
  public maximum: number = 300;
  public interval: number = 50;
  public data: Object[] = [
      { value: 270, target: 250 }
    ];
}
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { AppComponent } from './app.component';
import { BulletChartModule} from '@syncfusion/ej2-angular-charts';

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

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

Enable Tooltip

The tooltip is useful when you cannot display information by using the data labels due to space constraints. You can enable tooltip by setting the enable property as true in [tooltip]object and by injecting BulletTooltipService into the @NgModule.providers.

Source
Preview
app.component.ts
app.module.ts
main.ts
import { Component } from '@angular/core';

@Component({
    selector: 'app-container',
    template: `<ejs-bulletchart valueName='value' targetName='target' title='Revenue'
                [minimum]='minimum' [maximum]='maximum' [interval]='interval' [dataSource]='data'
                [tooltip]='tooltip'>
                <e-bullet-range-collection>
                <e-bullet-range end='100' color='#ebebeb'></e-bullet-range>
                <e-bullet-range end='200' color='#d8d8d8'></e-bullet-range>
                <e-bullet-range end='300' color='#7f7f7f'></e-bullet-range>
                </e-bullet-range-collection>
                </ejs-bulletchart>`
})
export class AppComponent {
  public minimum: number = 0;
  public maximum: number = 300;
  public interval: number = 50;
  public tooltip: Object = {enable: true};
  public data: Object[] = [
      { value: 270, target: 250 }
    ];
}
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { AppComponent } from './app.component';
import { BulletChartModule} from '@syncfusion/ej2-angular-charts';
import { BulletTooltipService} from '@syncfusion/ej2-angular-charts';

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

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