code: function (worldWindow) {
          var thisExplorer = this;
  
          this.wwd = worldWindow;
  
          this.roundGlobe = this.wwd.globe;
  
          this.createProjectionList();
          $("#projectionDropdown").find(" li").on("click", function (e) {
              thisExplorer.onProjectionClick(e);
          });
      }
docs: Constructs a projection menu for a specified {@link WorldWindow}.
  @alias ProjectionMenu
  @constructor
  @classdesc Provides a projection menu to select the projection for a WorldWindow.
  @param {WorldWindow} worldWindow The WorldWindow to associate this projection menu with.