CGAL users discussion list

Hi all,

I looked at this 'bug'. However, since Facet is just a typedef to 
pair<Cell,int>, there is no good return type for a potential operator->
So, I won't add it...
The same question is open in several places in Triangulations (2d for 
edges and 3d for facets and edges), we will think about a nice way to 
answer it globally.
In the meanwhile, as Laurent wrote, users can write (*fCirc).first 
instead of fCirc->first.

best
        Monique Teillaud

Laurent Rineau wrote:
> On Friday 13 July 2007 11:37:18 Thomas Zangl - Home wrote:
>
> > Dear List,
> >
> > I am stuck getting the cell_handle and the index i out of a
> > Triangulation_3::Facet_circulator.
> >
> > I converted some code using a Facet_iterator to a Facet_circulator
> > and, even that the circulator and the iterators data_type are supposed
> > to be the same, it does not work any longer. (compile error)
> >
> > The code look like this:
> >      Rt_Facet_circulator fCirc,fCircDone = t.incident_facets(*eIt);
> >      do {
> >        if (t.is_infinite(*fCirc)) continue;
> >
> >        cout << "---------------------------- Next face
> > ----------------------------" << endl; // cell which the facet is part of
> >        Rt_Cell_handle cell = fCirc->first;
> >        // this is the index of the facet's opposite vertex
> >        int faceIndex = fCirc->second;
> > }
> >
> > The errors are of some kind "fCirc" has no member first and no member
> > second.
>
>
> Hi,
>
> Accdording to the documentation, your code should be correct. However, the 
> type Facet_circulator of 3D triangulation do not have operator->. That is a 
> bug.
>
> For the moment, use "(*fCirc).first" instead of "fCirc->first".