worked on 3D viz

scaling, moving by finger
some fixes / improvement

mapview/model/MMRegistration.h

@@ -27,6 +27,15 @@ public:
 
 	}
 
+	bool isVisible() const override {
+		return map->earthReg.enabled;
+	}
+
+	void setVisible(const bool visible) override {
+		map->earthReg.enabled = visible;
+		onVisibilityChanged(visible);
+	}
+
 	//TODO: check
 	MMRegistrationPoint* create(Floorplan::EarthPosMapPos* reg) {