Revit to automatically assign the orientation of a window and door by using the exterior side of a window and which orientation it faces in relation to True North. This would be incredibly useful during Energy Performance calculations (SAP and Approved Doc O Overheating in the UK). It would be good if you can assign the accuracy level as well for the orientation. North East South and West, and North, North East, East, South East etc. as both SAP and Part O have differing requirements