CGAL 4.7 - 3D Periodic Triangulations: Periodic_3_triangulation_3/periodic_adding_handles.cpp

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CGAL 4.7 - 3D Periodic Triangulations

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Periodic_3_triangulation_3/periodic_adding_handles.cpp
#include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
#include <CGAL/Periodic_3_Delaunay_triangulation_filtered_traits_3.h>
#include <CGAL/Periodic_3_Delaunay_triangulation_3.h>
#include <CGAL/Periodic_3_triangulation_ds_vertex_base_3.h>
#include <CGAL/Triangulation_vertex_base_3.h>
template < class GT, class VbDS,
class Vb = CGAL::Triangulation_vertex_base_3<GT,VbDS> >
class My_vertex_base
: public Vb
{
public:
typedef typename Vb::Vertex_handle Vertex_handle;
typedef typename Vb::Cell_handle Cell_handle;
typedef typename Vb::Point Point;
template < class TDS2 >
struct Rebind_TDS {
typedef typename Vb::template Rebind_TDS<TDS2>::Other Vb2;
typedef My_vertex_base<GT, Vb2> Other;
};
My_vertex_base() {}
My_vertex_base(const Point& p)
: Vb(p) {}
My_vertex_base(const Point& p, Cell_handle c)
: Vb(p, c) {}
Vertex_handle vh;
Cell_handle ch;
};
typedef CGAL::Exact_predicates_inexact_constructions_kernel K;
typedef CGAL::Periodic_3_Delaunay_triangulation_filtered_traits_3<K> GT;
typedef CGAL::Periodic_3_triangulation_ds_vertex_base_3<> VbDS;
typedef CGAL::Periodic_3_triangulation_ds_cell_base_3<> CbDS;
typedef CGAL::Triangulation_cell_base_3<GT,CbDS> Cb;
typedef CGAL::Triangulation_data_structure_3<My_vertex_base<GT,VbDS>, Cb> TDS;
typedef CGAL::Periodic_3_Delaunay_triangulation_3<GT,TDS> PDT;
typedef PDT::Vertex_handle Vertex_handle;
typedef PDT::Point Point;
int main()
{
PDT T;
Vertex_handle v0 = T. insert(Point(0,0,0));
Vertex_handle v1 = T.insert(Point(.1,0,0));
Vertex_handle v2 = T.insert(Point(0,.1,0));
Vertex_handle v3 = T.insert(Point(0,0,.1));
Vertex_handle v4 = T.insert(Point(.2,.2,.2));
Vertex_handle v5 = T.insert(Point(.9,0,.1));
// Now we can link the vertices as we like.
v0->vh = v1;
v1->vh = v2;
v2->vh = v3;
v3->vh = v4;
v4->vh = v5;
v5->vh = v0;
return 0;
}