Form intersection line roof - storey
Forms the intersection line between roof or dormer and storey
Button: 
Command name: IntersectionRoofLevel
A roof must first be drawn to create the intersection line between the roof and floor.
- Set whether the upper edge of the floor height or the storey height is to be used as the intersection.
- Select the roof or dormer that intersects the storey level.
- Select the storey frame.
- End the command with the right mouse button or Enter.
