问加权Voronoi的CGAL二维阿波罗图-如何生成和获取人脸和顶点？

EN

typedef double                                                                  NT;
typedef CGAL::Cartesian< NT>                                                    KernelCartes;
typedef CGAL::Ray_2<KernelCartes>                                               Cartes_Ray;
typedef CGAL::Line_2<KernelCartes>                                              Cartes_Line;
typedef CGAL::Segment_2<KernelCartes>                                           Cartes_Segment;
typedef std::list<Cartes_Ray>                                                   Cartes_RayList;
typedef std::list<Cartes_Line>                                                  Cartes_LineList;
typedef std::list<Cartes_Segment>                                               Cartes_SegmentList;
typedef CGAL::Point_2<KernelCartes>                                             Cartes_Point;
typedef CGAL::Apollonius_graph_traits_2<KernelCartes>                           ApoTraits;
typedef CGAL::Apollonius_graph_2<ApoTraits>                                     Apo_Graph;
typedef Apo_Graph::Site_2                                                       Apo_Site;

    WVD.clear();
    double Weight;
    foreach(QPointF point,List_Nodes)
    {
        Weight = NewRandomNumber(1,10);
        Apo_Site k(Cartes_Point(point.x(),point.y()),Weight);
        WVD.insert(k);
    }