cgal/Mesh_3/test/Mesh_3/test_meshing_polyhedron.cpp

127 lines
3.9 KiB
C++

#define CGAL_COMPACT_CONTAINER_DEBUG_TIME_STAMP 1
// Copyright (c) 2009 INRIA Sophia-Antipolis (France).
// All rights reserved.
//
// This file is part of CGAL (www.cgal.org).
//
// $URL$
// $Id$
// SPDX-License-Identifier: GPL-3.0-or-later OR LicenseRef-Commercial
//
//
// Author(s) : Stephane Tayeb
//
//******************************************************************************
// File Description :
//******************************************************************************
#include <CGAL/MDS_3/io_signature.h>
#include "test_meshing_utilities.h"
#include <CGAL/Polyhedral_mesh_domain_3.h>
#include <CGAL/IO/Polyhedron_iostream.h>
#include <boost/type_traits/is_same.hpp>
#include <CGAL/MDS_3/Dump_c3t3.h>
#include <CGAL/disable_warnings.h>
template <typename K, typename Concurrency_tag = CGAL::Sequential_tag>
struct Polyhedron_tester : public Tester<K>
{
void polyhedron() const
{
typedef K Gt;
typedef CGAL::Polyhedron_3<Gt> Polyhedron;
typedef CGAL::Polyhedral_mesh_domain_3<Polyhedron, Gt> Mesh_domain;
CGAL_static_assertion((boost::is_same<
typename Mesh_domain::Surface_patch_index,
std::pair<int, int>
>::value));
typedef typename CGAL::Mesh_triangulation_3<
Mesh_domain,
typename CGAL::Kernel_traits<Mesh_domain>::Kernel,
Concurrency_tag>::type Tr;
typedef CGAL::Mesh_complex_3_in_triangulation_3<Tr> C3t3;
typedef CGAL::Mesh_criteria_3<Tr> Mesh_criteria;
typedef typename Mesh_criteria::Facet_criteria Facet_criteria;
typedef typename Mesh_criteria::Cell_criteria Cell_criteria;
typedef typename Mesh_domain::Surface_patch_index Surface_patch_index;
//-------------------------------------------------------
// Data generation
//-------------------------------------------------------
Polyhedron polyhedron;
std::ifstream input("data/sphere.off");
input >> polyhedron;
input.close();
std::cout << "\tSeed is\t"
<< CGAL::get_default_random().get_seed() << std::endl;
Mesh_domain domain(polyhedron, &CGAL::get_default_random());
// Set mesh criteria
Facet_criteria facet_criteria(30, 0.2, 0.02);
Cell_criteria cell_criteria(2, 0.2);
Mesh_criteria criteria(facet_criteria, cell_criteria);
// Mesh generation
C3t3 c3t3;
typename Polyhedron::Point_iterator end = polyhedron.points_begin();
int i=0;
while ( i++ < 4 ) { ++end; }
c3t3.insert_surface_points(polyhedron.points_begin(),
end,
domain.index_from_surface_patch_index(Surface_patch_index(0,1)));
CGAL::refine_mesh_3(c3t3, domain, criteria,
CGAL::parameters::no_exude(),
CGAL::parameters::no_perturb());
CGAL::remove_far_points_in_mesh_3(c3t3);
// Verify
double vol = 0.479171765761454;
this->verify_c3t3_volume(c3t3, vol*0.95, vol*1.05);
#ifdef CGAL_LINKED_WITH_TBB
// Parallel
if (boost::is_convertible<Concurrency_tag, CGAL::Parallel_tag>::value)
{
this->verify(c3t3, domain, criteria, Polyhedral_tag(),
110, 140, 190, 235, 300, 450);
}
else
#endif //CGAL_LINKED_WITH_TBB
{
this->verify(c3t3, domain, criteria, Polyhedral_tag(),
119, 121, 200, 204, 350, 360);
}
// test the dump function
CGAL::dump_c3t3(c3t3, "test_meshing_polyhedron-out");
}
};
int main()
{
Polyhedron_tester<K_e_i> test_epic;
std::cerr << "Mesh generation from a polyhedron:\n";
test_epic.polyhedron();
#ifdef CGAL_LINKED_WITH_TBB
Polyhedron_tester<K_e_i, CGAL::Parallel_tag> test_epic_parallel;
std::cerr << "Mesh generation from a polyhedron using Parallel_tag:\n";
test_epic_parallel.polyhedron();
#else
std::cerr << "TBB is not installed, or not configured."
<< "The parallel version cannot be tested.\n";
#endif
return EXIT_SUCCESS;
}