CGAL users discussion list

[Andreas Fabri <>]

Gilbert,

It might be the best to just post a file that makes problems.
What is your OS/compiler, did you just take the example or
demo program, or write your own program? In the latter case
what kernel did you chooses?

andreas


Gilbert Bernstein wrote:
> Andreas,
>
>     I'm fairly sure all of the meshes I've tried are triangular meshes, 
> (I went back and checked a couple of them (since they're in ascii) by 
> eye) so I don't think that's the problem.
>
> -- Gilbert
>
>
> On Jan 7, 2008, at 2:10 AM, Andreas Fabri wrote:
>
> Hello,
>
> A typical problem is to have faces which are not triangular,
> and at the same time not coplanar.
>
> andreas
>
> Gilbert Bernstein wrote:
> > Hi,
> >     I'm having an awful lot of trouble successfully building Nef 
> > Polyhedra from .off input files.  The only model I have successfully 
> > translated from .off to a Nef Polyhedron and back is a cube.  I have 
> > tried a number of different models, all supposed to be watertight, and 
> > which were certified by the Polyhedron_3::is_closed() function.  It 
> > certainly may be the case that there was something off (ba dum chh) 
> > about these models, but I've reached my point of frustration.  If 
> > anyone has any known working examples of importing models into the Nef 
> > Polyhedron type, or any suggestions, I would much appreciate the tips.
> > -- Gilbert Bernstein