CGAL users discussion list

[Julia Fischer <>]

I am new to CGAL   and I hope you can help me with some pointers.

I have two surfaces made of triangular elements. For simplicity , one  surface is a disk like a CD  without the hole. The other surface is a cylinder also defined by triangles (I am not talking about   solid element , but about 3d surfaces defined by triangles).

Now the disk cuts the cylinder, for simplicity , in the middle of the  cross section.  As a result  I have two cylinders each with the half of the length of the original  cylinder.   lets say one cylinder above  and the other cylinder  below the disk.

I want to delete  one cylinder , above  the disk for example.  Of course,  as a result of the intersection  my disk will  have a hole , like a CD.  Finally I would like to join the remaining cylinder with the disk , the  final surface looks like a sink.   This surface muss be defined by triangular elements.

Cheers 

Julia