CGAL users discussion list

[Pierre Alliez <>]

Nagella, S (Srikanth) a écrit :
> Thanks for the help. I need some pointers to where I can generate polyhedra 
> for sphere, cone, cylinder.
> Schwarzstein example seems to load triangles and create polyhedra.

you can take a geometric modeling system such as Blender or Maya and 
generate such meshes, then export them.


> Is it possible to use implicit surface class and generate triangles and then 
> convert them to polyhedra??? Am I going tangential
there is a mesh generator in CGAL for implicit functions but it is now 
limited to smooth surfaces.


> Thanks
> Sri
> -----Original Message-----
> From: Pierre Alliez [mailto:] 
> Sent: 30 July 2008 11:09
> To: 
>
> Subject: Re: [cgal-discuss] Simple Question
>
> you can generate polyhedra or load .off files, convert them to 
> Nef_polyhedra, apply the Boolean operations, and convert the Nef back to 
> the polyhedra.
>
> start printing the doc of Nef_polyhedra.
>
> Nagella, S (Srikanth) a écrit :
> > Hi All
> >
> > How do I generate tetrahedrons/Polyhedron to be used in CSG 
> > Nef_Polyhedra for geometry primitives (Sphere,Cone,Cylinder)?
> >
> > Please help. I haven't received any reply for my previous emails. CGAL 
> > seems to be too complicated to work on without a good indepth tutorial, 
> > is there one?
> >
> > Thanks
> >
> > Sri


--
Pierre Alliez
INRIA Sophia Antipolis - Mediterranee
http://www-sop.inria.fr/geometrica/team/Pierre.Alliez/
Tel: +33 4 92 38 76 77
Fax: +33 4 97 15 53 95