CGAL users discussion list

It doesn't seem to work for the segment delaunay graph. Maybe the usual
triangulation vertex isn't enough..

Quoting Zohar Levi 
<>:

> 
> I didn't follow everything but it seems too complicated if you just wanted 
> to
> add data to a vertex. You don't need to derive anything. I did something
> similar:
> 
> typedef CGAL::Triangulation_vertex_base_with_info_2<int, Kernel> Vb;
> typedef CGAL::Triangulation_face_base_2<Kernel> Fb;
> typedef CGAL::Triangulation_data_structure_2<Vb,Fb> Tds;
> 
> typedef CGAL::Delaunay_triangulation_2<Kernel, Tds> DT;
> typedef CGAL::Delaunay_triangulation_adaptation_traits_2<DT> AT;
> typedef CGAL::Delaunay_triangulation_caching_degeneracy_removal_policy_2<DT>
> AP;
> typedef CGAL::Voronoi_diagram_2<DT, AT, AP> VD;
> 
> ----
> 
> Maybe you should try first, just to use cgal basic vertex class with info,
> and just add an integer. If it works, in the worst case you could hold a
> pointer to your data there.
> 
> 
> 
> 
> 
> 
> ________________________________
> From: 
> ""
>  
> <>
> To: 
> 
> Sent: Friday, August 28, 2009 4:52:00 PM
> Subject: [cgal-discuss] Trying to add info to a vertex in a segment Delaunay
> graph fails compilation
> 
> 
> Hello,
> 
> I am trying to add information to a vertex in a SDG. For that matter, I took
> some code from the SDG demo and tryed to incorporate it, but obviously I am
> doing something wrong, because it doesn't compile. The code is:
> 
> template < class Vbb, class Info_ >
> class Segment_Delaunay_graph_vertex_base_with_info_2
>   : public Vbb
> {
> public:
>   // TYPES
>   //------
>   typedef Vbb                                      Base;
>   typedef Info_                                    Info;
> 
>   typedef typename Base::Storage_traits            Storage_traits;
>   typedef typename Base::Geom_traits               Geom_traits;
>   typedef typename Base::Site_2                    Site_2;
>   typedef typename Base::Storage_site_2            Storage_site_2;
>   typedef typename Base::Data_structure            Data_structure;
> 
>   typedef typename Data_structure::Face_handle     Face_handle;
>   typedef typename Data_structure::Vertex_handle   Vertex_handle;
> 
> 
>   template < typename DS2 >
>   struct Rebind_TDS {
>     typedef typename Vbb::template Rebind_TDS<DS2>::Other             Vb2;
>     typedef Segment_Delaunay_graph_vertex_base_with_info_2<Vb2,Info> Other;
>   };
> 
> 
>   Segment_Delaunay_graph_vertex_base_with_info_2 () : Vbb(), info_() {}
> 
>   Segment_Delaunay_graph_vertex_base_with_info_2(const Storage_site_2& ss,
>                          Face_handle f)
>     : Vbb(ss, f), info_()  {}
> 
>   void set_info(const Info& info) { info_ = info; }
>   const Info& info() const { return info_; }
> 
> private:
>   Info info_;
> };
> 
> struct SiteInfo{
>     Number v;
>     SiteInfo(){}
> };
> 
> typedef CGAL::Segment_Delaunay_graph_traits_without_intersections_2<Kernel>
> SDGTraits;
> typedef CGAL::Segment_Delaunay_graph_storage_traits_2<SDGTraits>            
>  
>   
> ST;
> typedef CGAL::Segment_Delaunay_graph_vertex_base_2<ST>                   
> Vb;
> typedef CGAL::Segment_Delaunay_graph_vertex_base_with_info_2<Vb,SiteInfo>   
>  
>    Vbi;
> typedef CGAL::Triangulation_face_base_2<SDGTraits>                          
>  
>     Fb;
> typedef CGAL::Triangulation_data_structure_2<Vbi,Fb>                        
>  
>   DS;
> typedef CGAL::Segment_Delaunay_graph_2<ST,DS>                           
> SDG;
> typedef SDG::Site_2                                                         
>  
>      SDGSite;
> typedef
> CGAL::Segment_Delaunay_graph_degeneracy_removal_policy_2<SDG>           
> SDGPolicy;
> typedef
> CGAL::Segment_Delaunay_graph_adaptation_traits_2<SDG>                   
> SDGAdaptTraits;
> typedef CGAL::Voronoi_diagram_2<SDG,SDGAdaptTraits,SDGPolicy>               
>  
>    VD;  
> 
> 
> Thanks,
> Amir.
> -- 
> You are currently subscribed to cgal-discuss.
> To unsubscribe or access the archives, go to
> https://lists-sop.inria.fr/wws/info/cgal-discuss
> 
> 
> 
>       -- 
> You are currently subscribed to cgal-discuss.
> To unsubscribe or access the archives, go to
> https://lists-sop.inria.fr/wws/info/cgal-discuss
>