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["Sebastien Loriot (GeometryFactory)" <>]

Did you try to use the function convert_to_polyhedron (which is the one 
used in the demo)?

http://www.cgal.org/Manual/latest/doc_html/cgal_manual/Nef_3_ref/Class_Nef_polyhedron_3.html#Function_void_convert_to_polyhedron6Polyhedron__P9_const;


Sebastien.

On 01/28/2012 12:44 AM, noel wrote:
> OK.  I *think* I've narrowed my problem down to the following funcion.  The
> convert_inner_shell_to_polyhedron isn't even documented so I'm guessing it's
> in beta or something.  Can anyone help?
>
> vector<Nef_polyhedron>  buildNegative(Nef_polyhedron STOCK, Nef_polyhedron
> WORKPIECE) {
>         vector<Nef_polyhedron>  negative;
>         Nef_polyhedron NEGATIVE = STOCK - WORKPIECE;
>         Nef_polyhedron::Volume_const_iterator vi = ++NEGATIVE.volumes_begin();
>         int i = 0;
>         CGAL_forall_volumes(vi,NEGATIVE) {
>                 if(vi->mark()) {
>                         Polyhedron P;
>                         
> NEGATIVE.convert_inner_shell_to_polyhedron(vi->shells_begin(),P);
>                         Nef_polyhedron N(P);
>                         negative.push_back(N);
>                 }
>                 i += 1;
>         }
>         return negative;
> }
>
> --
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