             position: Cartesian3(x: 4.0, y: 5.0, z: 6.0),
             text: "A label"
         )
-        _globe.scene.primitives.add(labels)
+        _globe.scene.primitives.add(labels)*/
         
         super.init()
     }

        let options = CesiumOptions(
            clock: Clock(clockStep: .SystemClock, isUTC: false),
            imageryProvider: nil,
            terrain: true,
            lighting: true,
            skyBox: true,
            scene3DOnly: true
        )

        _globe = CesiumGlobe(view: _view, options: options)
        _globe.scene.imageryLayers.addImageryProvider(BingMapsImageryProvider())
        //_globe.scene.imageryLayers.addImageryProvider(TileCoordinateImageryProvider())
        
        _globe.scene.camera.constrainedAxis = Cartesian3.unitZ
        

    
    private let _view: MTKView
    
    //private let _viewportOverlay: ViewportQuad
    
    private let _fontName = "HelveticaNeue"
    private let _fontSize: Float = 36
