CGAL users discussion list

[Andreas Fabri <>]

 wrote:
> Dear all,
> I would like to use the surface mesh simplification algorithm with a subclass 
> of a polyhedron_3, defined as follows:
> template <class      kernel, class   items>
> class   My_polyhedron   :       public CGAL::Polyhedron_3<kernel,items>
>
> Is it possible? I have tried but it seems not to work.
> Thanks!
>
> Guillaume Lavoué

Hello,

You have to upcast it to the Polyhedron_3 class as it uses partial
specializations of a graph_traits class.

best regards,

andreas