CGAL users discussion list

[Helmi Ben Hmida <>]

Please, any solution for my problem

Le 3/9/2012 12:24 PM, Helmi Ben Hmida a écrit :
> Hello again,
> In cases, we have the differents 3D points composing the elements, if 
> there is any way to create Nef_Polydehron with out going through the 
> off file, it will be a solution also.
>
> If any one has an idea how to do it, may be the problem will be resolved
>
> Am 09.03.2012 12:05, schrieb Helmi Ben Hmida:
> > In fact, we have created a Semantic 3D Spatial relation qualification 
> > engine based on CGAL, it presents almost the research progress for 
> > the last 3-4 mounth.
> > Actually the purpose is to test our semantic engine with Building 
> > elements to qualify semantic 3D Spatial relations between them.
> >
> > For this reason, we re trying to convert an IFC file to off files, 
> > just for test.
> > So, if any one has an ideas if there are existing off files for 
> > Building elements, it will resolve the problem I guess !
> > H.
> >
> > Am 09.03.2012 11:53, schrieb Nicholas Mario Wardhana:
> > > On 9 March 2012 18:10, Helmi Ben Hmida
> > > <>
> > >   wrote:
> > > > Hi,
> > > > Yes, yes, it will be a closed  polyhedron for sure since also vrml 
> > > > does not
> > > > suport open geometries.
> > > > I have tried Bertrand OFF file even u re update, always an empty 
> > > > polyhedron
> > > > !!!
> > > Hmm, you are correct. I tested with my own code and it strangely
> > > didn't load, for both "8 6 0" and "8 6 12"...
> > > On the other hand, my own cube model (please see attachment; it has
> > > triangular facets instead of rectangular) was loaded properly.
> > > I'll get back to you when I find something.
> > >
> > > Best regards,
> > > Nicholas


--

BEN HMIDA, Helmi

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