merge result.txt

map_directive.js

            $scope.addZoomListener = function () {
                $scope.zoomListener = google.maps.event.addListener($scope.map, 'zoom_changed', function () {
                    //when zoom changed we need to clear all old markers
                    // as it changes regions to their parents etc
                    $scope.calculatePortInfoPosition();
                    $scope.cleanAllMarkers();
                    $scope.reloadMarkers();

                });
            };

            $scope.cleanAllMarkers = function () {
                $.each($scope.map.ports, function (i, port) {
                    port.setMap(null)
                });

                $scope.map.ports = [];

            }