C++ (Cpp) CMap_3::make_combinatorial_tetrahedron Examples

Example #1

File: map_3_foreach.cpp Project: CGAL/releases

int main()
{
  CMap_3 cmap;

  // Create two tetrahedra.
  Dart_handle d1 = cmap.make_combinatorial_tetrahedron();
  Dart_handle d2 = cmap.make_combinatorial_tetrahedron();

  // Display the vertices of each volume by iterating on darts.
  std::cout<<"********Volumes********"<<std::endl;
  std::for_each(cmap.one_dart_per_cell<3>().begin(),
                cmap.one_dart_per_cell<3>().end(),
                Display_vertices_of_cell<CMap_3,3>(cmap));

  // 3-Sew the 2 tetrahedra along one facet
  cmap.sew<3>(d1, d2);

  // Display the vertices of each face by iterating on darts.
  std::cout<<"********Faces********"<<std::endl;
  std::for_each(cmap.one_dart_per_cell<2>().begin(),
                cmap.one_dart_per_cell<2>().end(),
                Display_vertices_of_cell<CMap_3,2>(cmap));

    // We display the map characteristics.
  std::cout<<"CMap characteristics: ";
  cmap.display_characteristics(std::cout) << ", valid=" << cmap.is_valid()
                                          << std::endl << std::endl;

  std::vector<CMap_3::Dart*> toremove;

  // Copy in vector toremove one dart per face
  std::copy(boost::transform_iterator<Take_adress<CMap_3::Dart>,
                                      CMap_3::One_dart_per_cell_range<2>::iterator>
            (cmap.one_dart_per_cell<2>().begin(),
             Take_adress<CMap_3::Dart>()),
            boost::transform_iterator<Take_adress<CMap_3::Dart>,
                                      CMap_3::One_dart_per_cell_range<2>::iterator>
            (cmap.one_dart_per_cell<2>().end(),
             Take_adress<CMap_3::Dart>()),
            back_inserter(toremove));

  // Remove each face sequentially.
  std::for_each(toremove.begin(), toremove.end(), Remove_face<CMap_3>(cmap));

  return EXIT_SUCCESS;
}