CGAL users discussion list

[Andreas Fabri <>]

Well, you compared to a kind of null pointer, and you can circulate
around as long as you want fc will never be equal to a null pointer.

andreas

Nizar Khalifa Sallem wrote:
> Thanks,
> That seems to solve my problem, although I don't really understand the 
> difference between creation then initialization and combined creation, 
> initialisation :)
> Anyway thanks a lot
>
> --
> Nizar SALLEM
> Robotics and Artificial Intelligence PhD student
> LAAS-CNRS
> 7, Avenue Colonel Roche
> 31077 Toulouse CEDEX 4
> FRANCE
>
>
>
>
> On May 4, 2009, at 9:36 AM, Olivier Devillers wrote:
>
> >  a écrit :
> > > Hi,
> > >
> > > I am looking for an example on how to use incident_facets to traverse 
> > > the
> > > incident facets of an edge.
> > > I have done this (I don't eally remember where I saw it) but it seems to
> > > enter an infinite loop :
> > > ===============================
> > > Facet_circulator fc;
> > > Facet_circulator done(fc);
> > > fc = D.incident_facets(m_edge);
> > > do{
> > >  if (!D.is_infinite(*fc)){
> > >    //do something
> > >  };
> > > }while (++fc != done);
> > > ===============================
> > > thanks in advance.
> > try this :
> >
> > ===============================
> > Facet_circulator fc= D.incident_facets(m_edge);
> > Facet_circulator done(fc);
> > do{
> > if (!D.is_infinite(*fc)){
> >   //do something
> > };
> > }while (++fc != done);
> > ===============================
> >
> > --
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