Sankey Charts with Multiple levels

Following is an example of a SanKey Chart with multiple levels.

We have already seen the configurations used to draw a chart in Google Charts Configuration Syntax chapter. Now, let us see an example of a SanKey Chart with multiple levels.

Configurations

We've used Sankey class to show a Sankey chart with multiple levels.

type = 'Sankey';

Example

app.component.ts

import { Component } from '@angular/core';
@Component({
   selector: 'app-root',
   templateUrl: './app.component.html',
   styleUrls: ['./app.component.css']
})
export class AppComponent {
   title = '';
   type = 'Sankey';
   data = [
      ["Brazil","Portugal",5],
      ["Brazil","France",1],
      ["Brazil","Spain",1],
      ["Brazil","England",1],
      ["Canada","Portugal",1],
      ["Canada","France",5],
      ["Canada","England",1],
      ["Mexico","Portugal",1], 
      ["Mexico","France",1],
      ["Mexico","Spain",5],
      ["Mexico","England",1], 
      ["USA","Portugal",1], 
      ["USA","France",1],
      ["USA","Spain",1],
      ["USA","England",5],
      ["Portugal","Angola",2], 
      ["Portugal","Senagal",1],
      ["Portugal","Morocco",1],
      ["Portugal","South Africa",3]
   ];
   columnNames = ['From', 'To','Weight'];
   options = {       
   };
   width = 550;
   height = 400;
}

Result

Verify the result.