CGAL users discussion list

["Laurent Rineau (GeometryFactory)" <>]

Le mardi 29 septembre 2009 12:17:38, 

 a écrit :
> Good afternoon,
> 
> We use CGAL library and self-learn with CGAL on-line manual and tutorials.
>  We succeeded in putting parts together rather easily but there are another
>  two problems we don’t know how to solve.
> 
> -2-
> We encounter some difficulties when trying to calculate B-A where B and A
>  are both Nef-polyhedrons (B with nearly 70000 facets). The process works
>  well on many actual cases but fails sometimes. Could you give us some
>  hints to understand which problem is behind?
> 
> Thank you for your help.

Well, as least you should give more information of that failure. Is that a 
segmentation? An uncatched exception? An assertion? An arithmetic error? A 
memory or CPU exhaustion? Anything else? I am sure you can tell us more, and 
show us, for example, the error log.

You can see hints here on all the informations you could give us:

  http://www.cgal.org/bug_report.html

-- 
Laurent Rineau, PhD
Release Manager of the CGAL Project
http://www.cgal.org/
R&D Engineer at GeometryFactory
http://www.geometryfactory.com/