CGAL users discussion list

[Matthieu Chavent <>]

Thanks to Andreas Fabri and Laurent Rineau and sorry for neewbies questions.

Regards,

         Matthieu Chavent.

Laurent Rineau a écrit :
> On Tuesday 16 October 2007 17:16:07 Matthieu Chavent wrote:
>   
> > Good afternoon,
> > I use triangulation_3 and and use a facet_iterator. I would like to know
> > if it possible to retrieve from a facet the two cell_handles of the two
> > cells which  have the facet in common, in a simple manner.
> >     
>
> Well, I quote here the definition of Facet, from the reference 
> page "TriangulationDataStructure_3":
>
> "typedef std::pair<Cell_handle, int> Facet;
>        (c,i) is the facet of c opposite to the vertex of index i."
>
> So, if "f_it" is a facet iterator, "f_it->first" is one of the two cells you 
> request, and "f_it->first->neighbor(f_it->second)" is the other one (see the 
> reference page "TriangulationDataStructure_3::Cell" for a description of 
> Cell::neighbor).
>
> Best regards,
>
>   


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Matthieu Chavent
LORIA
PhD student

tel: ++33(0)3-54-95-86-05

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