CGAL users discussion list

["Sebastien Loriot (GeometryFactory)" <>]

Using a Face_handle f, you can get one border halfedge using
Halfedge_handle h = f->halfedge() and you can circulate around
the face iteratively using h=h->next() while h!=f->halfedge();

Sebastien.

On 07/27/2016 05:09 PM, Pol Monsó Purtí wrote:
> Hello all,
>
> I'm trying to get all the (half)edges around a voronoi site of CGAL's
> [Voronoi_diagram_2](http://doc.cgal.org/latest/Voronoi_diagram_2/classCGAL_1_1Voronoi__diagram__2.html)
>
> How can we circulate around a Voronoi_2 site?
>
> I know we have a Site iterator, but what functions does Site_2 provide?
>
> If I change to its delaunay dual, is there a method?
>
> One workaround I can think of is by circulating around the faces and
> retrieving the edge that doesn't have the vertex.
>
> I could traverse all the halfedges and store them by site on map. But I
> would lose the ordering.
>
> I'm pretty sure there's a method but I can't find it.