It is possible to open roof gap in any polygonal form to the roof and roof surface.
Location of Roof Hole Command
In the Architectural Program
You can access it under the ribbon menu Home tab Terrain title in the architectural program .
In Structural Program
You can access it under the ribbon menu Objects tab Terrain title in the structural program .
After the roof is defined, to open a gap on it:
Click the Roof Hole icon in the ribbon menu .
Draw a closed polygon on the roof by clicking with the left mouse button.
As soon as you close the polygon, a gap will open on the roof.
Determining the first point for the roof hole on the roof or roof surface with the roof hole command
Determining the second point for the roof hole
Determining the third point for the roof hole
Determining the fourth point for the roof hole
Determining the end point of the roof hole
The roof hole
You can define trimmers on the edges of the roof hole. This process is explained in detail under the title Trimmer.