CGAL users discussion list

[Andreas Fabri <>]

Hi Matthieu,

My question about the quality of the documentation was serious.
Did you happy programming before reading the documentation (what
I admittedly often do), or did you try to find it in the manual,
and gave up after a couple of minutes?

andreas


Matthieu Chavent wrote:
> 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,
> >
> >