How I can get polygon of the not square window in the wall?

[Anonymous]

I need to get polyton of the rounded or other not square windows in the wall.
Where I can it find?
Thank You.

[Christophe Fortineau]

Hello,

Into the AC library there folder which is called "special windows"
Into this folder there is a parametric window with 3 sides or more

[Anonymous]

I'm know how place that windows.
But I need to get it's form by API C++.

[Ralph Wessel · Accepted solution]

Our approach has been to examine the 3D model faces of the wall. If you cut the wall face with the window against the wall face without the window, the difference is the opening shape.