AngularJS Leaflet directive heatmap example

sample.html

<leaflet center="center" layers="layers" height="480px" width="1640px"></leaflet>

sample.js

.controller('publisherDataGeoReportController', ['$scope', '$http', '$rootScope', function($scope, $http, $rootScope) {
  console.log('publisherDataGeoReportController called');
  var
    reportHost = 'http://localhost',
    reportPort = ':8080',
    drawHeatMap;

  $scope.dataPoints =  [];
   
  $scope.$watch('dataPoints', function() {
    drawHeatMap();
  });

  angular.extend($scope, {
    center: {
        lat: 44.8091,
        lng: -63.3636,
        zoom: 9
    },
    layers: {
        baselayers: {
            osm: {
                name: 'OpenStreetMap',
                url: 'http://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png',
                type: 'xyz'
            }
        },
        overlays: {
            heatmap: {
                name: 'Heat Map',
                type: 'heatmap',
                data: $scope.dataPoints,
                visible: true
            }
        }
    }
  });

  drawHeatMap = function(data) {
    console.log('drawHeatMap called ', $scope.dataPoints);
    console.log('drawHeatMap called lat', $scope.center.lat);
    $scope.layers = {
      baselayers: {
              osm: {
                name: 'OpenStreetMap',
                url: 'http://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png',
                type: 'xyz'
              }
      },
      overlays: {
          heatmap: {
            name: 'Heat Map',
            type: 'heatmap',
            data: $scope.dataPoints,
            visible: true
          }
      }
    };
  };

  $scope.submit = function() {
    console.log($scope.text);
    var account = $scope.text;
    var queryURL = reportHost + reportPort + '/publisherDataGeoReport?account=' + account;
    console.log('angularjs url ', queryURL);
    $http({method: 'GET', url: queryURL}).
    success(function(data, status, headers, config) {
      $rootScope.allplatformData = data;
      $scope.dataPoints =  [[44.651144316, -63.586260171, 0.5],[44.75, -63.5, 0.8]];
    }).
    error(function(data, status, headers, config) {
      console.log('ajax call returned error');
    });
  };
}]);