CGAL users discussion list

[Laurent Rineau <>]

Please start a new thread (with a new title), when you want to talk about 
something different from the thread subject!

On Thursday 02 October 2008 10:25:07 Jens K. Becker wrote:
> Hi all,
>
> I have a problem with polyhedra. I have a single polyhedra which I put
> together
> from points from a Delaunay-Triangulation. This leaves me with a
> polyhedra that
> only has triangles as facets. I need to have a polyhedra where all incident
> facets that are in the same plane are merged. I had a code (see below) that
> does that and it worked nicely using a homogeneous kernel with Gmpz.
> Now I have
> changed the kernel to be Cartesian<double> and the function does not work
> anymore.

That is a FAQ. You use a kernel with non-exact predicates, and that can lead 
to crashes. See http://www.cgal.org/FAQ.html#inexact_NT

-- 
Laurent Rineau, PhD
Engineer at GeometryFactory
http://www.geometryfactory.com/