Tetrahedral_remeshing/tetrahedral_remeshing_of_one_subdomain.cpp

#include <CGAL/Exact_predicates_inexact_constructions_kernel.h>

#include <CGAL/Tetrahedral_remeshing/Remeshing_triangulation_3.h>
#include <CGAL/tetrahedral_remeshing.h>

#include "tetrahedral_remeshing_generate_input.h"

typedef CGAL::Exact_predicates_inexact_constructions_kernel K;

typedef CGAL::Tetrahedral_remeshing::Remeshing_triangulation_3<K> Remeshing_triangulation;


struct Cells_of_subdomain
{
private:
  const int m_subdomain;

public:
  Cells_of_subdomain(const int& subdomain)
    : m_subdomain(subdomain)
  {}

  bool operator()(Remeshing_triangulation::Cell_handle c) const
  {
    return m_subdomain == c->subdomain_index();
  }
};

int main(int argc, char* argv[])
{
  const double target_edge_length = (argc > 1) ? atof(argv[1]) : 0.1;
  const std::size_t nbv = (argc > 2) ? atoi(argv[2]) : 1000;

  Remeshing_triangulation tr;
  CGAL::Tetrahedral_remeshing::generate_input_two_subdomains(nbv, tr);

  CGAL::tetrahedral_isotropic_remeshing(tr, target_edge_length,
      CGAL::parameters::cell_is_selected_map(Cells_of_subdomain(2)));

  return EXIT_SUCCESS;
}