CGAL users discussion list

[Pierre Alliez <>]

dear 
,

is your Nef polyhedron unbounded? (infinite) or non manifold?

if it is unbounded, you have to bound it - this is feasible by 
intersecting it with eg a simple bounding box.

if it is non-manifold. I would recommend to apply closure, 
regularizations, etc (read definitions in the documentation) before 
trying to convert.

if this is not sufficient this means there is not much you can do beside 
saving it as a non-manifold polyhedron as Fred suggested.


> From: 
>
>  
> []
> Sent: December 9, 2008 8:25 AM
> To: 
>
> Subject: [cgal-discuss] Nef Polyhedron no simple to OFF
>
> Hello,
>
> I'm working with .off files making boolean operations between 3D objects. When
> the solution isn't a nef_polyhedron simple, I don't know how can I obtain a
> .off file whith this polyhedron. Is this possible?
>
> Thanks in advance,
>
> Jonatan.
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--
Pierre Alliez
INRIA Sophia Antipolis - Mediterranee 
Project-team GEOMETRICA 
http://www-sop.inria.fr/members/Pierre.Alliez/
Tel: +33 4 92 38 76 77
Fax: +33 4 97 15 53 95