CGAL users discussion list

[Andreas Fabri <>]

Let me just confirm that it IS the case.

andreas



Benjamin schwarz wrote:
> according to the documentation it seems to be the case :
> "The polyhedral surface provides convenient circulators for the
> counterclockwise circular sequence of halfedges around a facet and the
> clockwise circular sequence of halfedges around a vertex."
> ( found on page
> http://www.cgal.org/Manual/3.4/doc_html/cgal_manual/Polyhedron/Chapter_main.html
> section 21.3.6 ).
>
> If you don't trust it, you can still implement it by successions of
> next()->opposite() operations, I guess.
>
>    Ben
>
> On Thu, Apr 2, 2009 at 9:07 PM, Priyamvad Deshmukh 
> <>
>  wrote:
> > I need to calculate the angle defect at each vertex of a polyhedron.
> > Will the Hafedge_around_vertex_circulator always give me halfedges in a
> > sequence? For example can two consecutive edges returned from the circulator
> > be used to calculate the angle defect?
> >
> > Priyamvad