CGAL users discussion list

["Sebastien Loriot (GeometryFactory)" <>]

Following the documented API I would use

VD::Edge_rejector edge_rejector =
  voronoi.adaptation_policy().edge_rejector_object();
if( !edge_rejector(delaunay, delaunayEdge) ) ...

Note that I haven't tested it.

Sebastien.



On 10/08/2013 11:41 AM, Martin Uhrin wrote:
> Dear CGAL community,
>
> I am using the following setup to generate a Voronoi diagram:
>
> ...
> typedef CGAL::Delaunay_triangulation_2< K, Tds> Delaunay;
> typedef CGAL::Delaunay_triangulation_adaptation_traits_2< Delaunay> AT;
> typedef CGAL::Delaunay_triangulation_caching_degeneracy_removal_policy_2<
>     Delaunay> AP;
> typedef CGAL::Voronoi_diagram_2< Delaunay, AT, AP> VD;
>
> which successfully removes degenerate edges from the Voronoi.  In part
> for my code I iterate over all Delaunay edges and call
>
> voronoi.dual(delaunayEdge)
>
> but this causes assertions because some of the edges are rejected.  Is
> there a way to check if the Delaunay edge corresponds to a rejected
> dual?  Or with this setup am I only 'allowed' to go from Voronoi edges
> to Delaunay edges and not the other way around?
>
> At the moment I'm using:
>
> if(!voronoi.edge_rejector()(delaunay, delaunayEdge))
>
> but it seems quite clear from the source that edge_rejector(...) is
> not API facing code.
>
> Many thanks,
> -Martin