     let sceneLocationView = SceneLocationView()
     let locationManager = CLLocationManager()
     var currentLocation: CLLocation?
+    var currentNodes = Set<LocationNode>()
 
     @IBOutlet weak var mapView: MKMapView!
     @IBOutlet weak var mapContainerHeightConstraint: NSLayoutConstraint!

    }
    
    func locationManager(_ manager: CLLocationManager,  didUpdateLocations locations: [CLLocation]) {
        
        currentLocation = locations.last
        displayPointFeatures()
        
    }

    func display(streetFeature: GeoFeature<Point, [Double]>) {
        let locationAnnotationNode = LocationAnnotationNode(streetFeature: streetFeature)
        locationAnnotationNode.scaleRelativeToDistance = true
        currentNodes.insert(locationAnnotationNode)
        sceneLocationView.addLocationNodeWithConfirmedLocation(locationNode: locationAnnotationNode)
        
        let mapAnnotation = MKPointAnnotation()
