CGAL users discussion list

["Sebastien Loriot (GeometryFactory)" <>]

On 04/08/2013 11:35 PM, schrodingersnewcat wrote:
> That was the stack dump.  I thought you had asked for that.  It's going to be
> a little difficult for me to get a backtrace from the exact point of the
> error, since I don't have an interactive terminal while the program is
> running, but I'll try to work something up.
>
> As for the degenerate triangles, how could that happen?  I'm creating the
> AABB trees using polyhedrons that should be consistent, as they were created
> from nef polyhedrons and my understanding was the conversion process does a
> consistency check.  Is this wrong?  What other operations could cause a good
> polyhedron to go bad?
Well, it depends if your nef polyhedron uses an exact number types and 
your polyhedron floating point coordinates. It might happen that the 
rounding to double make two points identical.

Sebastien.

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