Heatmap on Click

Sample Implementation

    
      
      <html>
        <head>
          <title>Heatmap on Click</title>
          <meta name="viewport" content="initial-scale=1.0">
          <meta charset="utf-8">
          <style>
          html,
          body,
          #map {
            margin: 0;
            padding: 0;
            width: 100%;
            height: 100vh;
          }
          </style>
             <script src="https://apis.mappls.com/advancedmaps/api/<Token>/map_sdk?layer=vector&v=3.0&callback=initMap1" defer async></script>
            </head>
        <body>
                    <div id="map"></div>
                        <script>
        var map;
        function initMap1() {
            map = new mappls.Map('map', {
                center: [28.61, 77.23],
                zoomControl: true,
                location: true,
            });

            var gradient = ['rgba(0, 255, 255, 0)', 'rgba(0, 255, 255, 1)', 'rgba(0, 191, 255, 1)', 'rgba(0, 127, 255, 1)', 'rgba(0, 63, 255, 1)', 'rgba(0, 0, 255, 1)', 'rgba(0, 0, 223, 1)', 'rgba(0, 0, 191, 1)', 'rgba(0, 0, 159, 1)', 'rgba(0, 0, 127, 1)', 'rgba(63, 0, 91, 1)', 'rgba(127, 0, 63, 1)', 'rgba(191, 0, 31, 1)', 'brown'];
            map.on('click', function(e) {
                var heat_map = new mappls.HeatmapLayer({
                    map: map,
                    data: [{
                        lat: e.lngLat.lat,
                        lng: e.lngLat.lng
                    }],
                    gradient: gradient,
                });
            });
        }
    </script>
        </body>
      </html>
      
      
      /* First install : npm install mappls-web-maps */

      import { Component, OnInit, ElementRef } from '@angular/core';
      import { mappls } from 'mappls-web-maps';
      @Component({
      selector: 'app-root',
      template: '<div  id="map"  style="width: 99%; height: 99vh; background-color: white;"></div>',
      styleUrls: ['./app.component.css']
      })
      export class AppComponent implements OnInit {
          mapObject: any;
          mapplsClassObject = new mappls();
          title = 'Heatmap on Onclick ';
      mapProps = {
	    center: [28.61, 77.23],
	    zoomControl: true,
	    location: true,
       }

      ngOnInit() {
	
	    this.mapplsClassObject.map({ id: "map", key: "<Token>", properties: this.mapProps }, (data: any) => {
		      this.mapObject = data;
		
		      this.mapObject.on('click', (e: any) => {
			
			        let gradient = ['rgba(0, 255, 255, 0)', 'rgba(0, 255, 255, 1)', 'rgba(0, 191, 255, 1)', 'rgba(0, 127, 255, 1)', 'rgba(0, 63, 255, 1)', 'rgba(0, 0, 255, 1)', 'rgba(0, 0, 223, 1)', 'rgba(0, 0, 191, 1)', 'rgba(0, 0, 159, 1)', 'rgba(0, 0, 127, 1)', 'rgba(63, 0, 91, 1)', 'rgba(127, 0, 63, 1)', 'rgba(191, 0, 31, 1)', 'brown'];
			        new mappls().HeatmapLayer({
				          map: this.mapObject,
				          data: [{
					            lat: e.lngLat.lat,
					            lng: e.lngLat.lng
				          }],
				          gradient: gradient,
				
			        });
		      });
	    });
      }
      }
      
      
      /* First install : npm install mappls-web-maps */
      
      import { mappls } from  'mappls-web-maps';
      import  './App.css';
      function  App() {
      const  styleMap  = {width:  '99%', height:  '99vh', display:'inline-block'}
      var mapObject ;
      var mapplsClassObject=  new  mappls();
      const title = "Heatmap on Click";
      const mapProps = {zoomControl: true};
      mapplsClassObject.map(
	{
		id: "map",
		key: "<Token>",
		properties: mapProps,
	},
	(data) => {
		mapObject = data;
		
		var gradient = ['rgba(0, 255, 255, 0)', 'rgba(0, 255, 255, 1)', 'rgba(0, 191, 255, 1)', 'rgba(0, 127, 255, 1)', 'rgba(0, 63, 255, 1)', 'rgba(0, 0, 255, 1)', 'rgba(0, 0, 223, 1)', 'rgba(0, 0, 191, 1)', 'rgba(0, 0, 159, 1)', 'rgba(0, 0, 127, 1)', 'rgba(63, 0, 91, 1)', 'rgba(127, 0, 63, 1)', 'rgba(191, 0, 31, 1)', 'brown'];
		mapObject.on('click', (e)=> {
			mapplsClassObject.HeatmapLayer({
				map: mapObject,
				data: [{
					lat: e.lngLat.lat,
					lng: e.lngLat.lng
				}],
				gradient: gradient,
			});
		});
	})
      return (
         <div  id="map"  style={styleMap}></div>
         );
      }
      export  default  App;
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