CGAL users discussion list

["Philipp Richter CGAL" <>]

Hi CGAL users! 

I am currently working on alpha shape triangulations of 3D point sets and 
would like to find intersections of those alpha shapes (same point set, 
different alpha values). 

What would be a way to do this? It seems like one can find 3D intersections 
of  NEF Polyhedra. So converting my alpha shapes to Nef Polyhedra, then find 
the intersection and then triangulate again (I want to have a triangulation 
in the end) sounds like it works but also sounds wasteful. 

Is there a way to intersect triangulations easily? I did not find 
information on this in the manual or using google. 

Thank you for your help! 

Philipp Richter