An exterior elevation drawing is analogous to a photo showing what each side of the house looks like from the outside. The drawing provides the architect with key information about the building heights – overall roof height, windows, doors, decks, etc. The Standard level of detail option also shows the ornamentation and trim which distinguish the building’s architectural style. How do you acquire elevation data? We acquire most of the elevation data inside while taking the floor plan data. For instance: We set floor to floor heights in stairwells or foyers We shoot from window sills to finished floor elevations, and then to grade outside We obtain window and door heights and details while taking floor plan data If we can see the ridge(s) or the attic is accessible, we'll obtain most of the roof data from inside as well.