Bubble Charts Angular 12 using ng2-charts

Angular 12 bubble chart using charts js example; In this tutorial, i am going to show you how to implement bubble chart using ng2-charts js library in angular 12 app.

Bubble Charts resemble XY Scatter Charts – but can convey information regarding a third data element per observation, using the size of each traditional XY plotted point (expressed as a “bubble” instead of as a “dot”) to express the magnitude of the third variable.

Angular 12 Bubble Chart using ng2-charts Tutorial with Example

Step 1 – Create New Angular App
Step 2 – Install Charts JS Library
Step 3 – Import Module in App.Module.ts File
Step 4 – Add Code on View File
Step 5 – Add Code On app.Component ts File
Step 6 – Start the Angular Bubble Chart App

Step 1 – Create New Angular App

Execute the following command on terminal to install angular app:

ng new my-new-app

Step 2 – Install Charts JS Library

Then install NPM package called ng2-charts chart.js –save for implement Bubble chart in angular 11 app. So, You can install the packages by executing the following commands on the terminal:

npm install --save bootstrap

npm install ng2-charts chart.js --save

After that, open angular.json file and update the following code into it:

"styles": [
      "node_modules/bootstrap/dist/css/bootstrap.min.css",
      "src/styles.css"
]

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Step 3 – Import Module in App.Module.ts File

Go to src/ directory and open app.module.ts file. And then add the following lines of into app.module.ts file:

import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { FormsModule } from '@angular/forms';
  
import { AppComponent } from './app.component';
import { ChartsModule } from 'ng2-charts';
  
@NgModule({
  imports:      [ BrowserModule, FormsModule, ChartsModule ],
  declarations: [ AppComponent ],
  bootstrap:    [ AppComponent ]
})
export class AppModule { }

Step 4 – Add Code on View File

Create bubble chart in angular app. So, visit src/app and app.component.htmland update the following code into it:

<h1>Angular 12 bubble chart example - Laratutorials.com</h1>
  
<div style="display: block;">
  <canvas baseChart
    [datasets]="bubbleChartData"
    [options]="bubbleChartOptions"
    [colors]="bubbleChartColors"
    [legend]="bubbleChartLegend"
    [chartType]="bubbleChartType">
  </canvas>
</div>

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Step 5 – Add Code On app.Component ts File

Go to src/app directory and open app.component.ts. Then add the following code into component.ts file:

import { Component, OnInit } from '@angular/core';
import { ChartOptions, ChartType, ChartDataSets } from 'chart.js';
import { Color } from 'ng2-charts';
@Component({
  selector: 'my-app',
  templateUrl: './app.component.html',
  styleUrls: ['./app.component.css']
})
export class AppComponent {
  public bubbleChartOptions: ChartOptions = {
    responsive: true,
    scales: {
      xAxes: [{
        ticks: {
          min: 0,
          max: 30,
        }
      }],
      yAxes: [{
        ticks: {
          min: 0,
          max: 30,
        }
      }]
    }
  };
  public bubbleChartType: ChartType = 'bubble';
  public bubbleChartLegend = true;
  public bubbleChartData: ChartDataSets[] = [
    {
      data: [
        { x: 10, y: 10, r: 10 },
        { x: 15, y: 5, r: 15 },
        { x: 26, y: 12, r: 23 },
        { x: 7, y: 8, r: 8 },
      ],
      label: 'Series A',
    },
    {
      data: [
        { x: 8, y: 7, r: 5 },
        { x: 15, y: 5, r: 15 },
        { x: 5, y: 15, r: 15 },
        { x: 7, y: 8, r: 8 },
      ],
      label: 'Series B',
    },
  ];
  constructor() { }
  ngOnInit() {
  }
}

Step 6 – Start the Angular Bubble Chart App

Execute the following command on terminal to start angular bubble chart app:

ng serve