cgal/Packages/Planar_map/examples/Topological_map/example1.C

47 lines
1.1 KiB
C

//example1
#include <CGAL/basic.h>
#include <iostream>
#include <CGAL/Topological_map_bases.h>
#include <CGAL/Pm_default_dcel.h>
#include <CGAL/Topological_map.h>
typedef CGAL::Pm_dcel<CGAL::Tpm_vertex_base,
CGAL::Tpm_halfedge_base,
CGAL::Tpm_face_base> Dcel;
typedef CGAL::Topological_map<Dcel> Tpm;
typedef Tpm::Halfedge_handle Halfedge_handle;
typedef Tpm::Vertex_handle Vertex_handle;
typedef Tpm::Face_handle Face_handle;
int main() {
Tpm t;
Face_handle uf=t.unbounded_face();
std::cout << "inserting edge e1 in face interior ..." ;
Halfedge_handle e1 = t.insert_in_face_interior(uf);
CGAL_assertion(t.is_valid());
std::cout << "map is valid." << std::endl;
std::cout << "inserting edge e2 from target vertex of e1 ..." ;
Halfedge_handle e2=t.insert_from_vertex(e1);
CGAL_assertion(t.is_valid());
std::cout << "map is valid." << std::endl;
std::cout << "inserting edge e3 between target vertices of e2 and e1->twin() ...";
// Halfedge_handle e3=
t.insert_at_vertices(e2,e1->twin());
CGAL_assertion(t.is_valid());
std::cout << "map is valid." << std::endl;
return 0;
}