CGAL users discussion list

["Laurent Rineau (GeometryFactory)" <>]

Le Dimanche 11 Avril 2010 14:15:13, Song Lin a écrit :
> Thank you very much for your reply.
> 
> I have noticed the function classify(...) but I cant find out how to
> convert the iterator type
> 
> Alpha_shape_3::Finite_edges_iterator vit;
> 
> to the type
> 
> Alpha_shape_3::Edge

The value_type of that iterator type is... "Edge"!

Let's renamed your iterator variable to "eit" (edge it', instead of vertex 
it'), then the Finite_edges_iterator eit is a kind of pointer, and it points 
to "*eit".

> that the function
> 
> as.classify( Edge e, FT alpha = get_alpha())
> 
> needed.

as.classify(*eit, 0);

-- 
Laurent Rineau, PhD
Release Manager of the CGAL Project       http://www.cgal.org/
R&D Engineer at GeometryFactory           http://www.geometryfactory.com/