mirror of https://github.com/CGAL/cgal
75 lines
2.1 KiB
C++
75 lines
2.1 KiB
C++
#include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
|
|
|
|
#include <CGAL/Mesh_triangulation_3.h>
|
|
#include <CGAL/Mesh_complex_3_in_triangulation_3.h>
|
|
#include <CGAL/Mesh_criteria_3.h>
|
|
#include <CGAL/Surface_mesh.h>
|
|
|
|
#include <CGAL/Polyhedral_mesh_domain_with_features_3.h>
|
|
#include <CGAL/make_mesh_3.h>
|
|
|
|
template <typename K, typename Polyhedron>
|
|
struct Tester {
|
|
// Domain
|
|
typedef CGAL::Polyhedral_mesh_domain_with_features_3<K, Polyhedron> Mesh_domain;
|
|
|
|
|
|
// Triangulation
|
|
typedef typename CGAL::Mesh_triangulation_3<Mesh_domain>::type Tr;
|
|
|
|
typedef CGAL::Mesh_complex_3_in_triangulation_3<Tr> C3t3;
|
|
|
|
// Criteria
|
|
typedef CGAL::Mesh_criteria_3<Tr> Mesh_criteria;
|
|
|
|
int operator()(const std::string fname, const std::string out_fname)
|
|
{
|
|
std::ifstream input(fname);
|
|
using namespace CGAL::parameters;
|
|
|
|
Polyhedron polyhedron;
|
|
input >> polyhedron;
|
|
if (input.fail()) {
|
|
std::cerr << "Error: Cannot read file " << fname << std::endl;
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
if (!CGAL::is_triangle_mesh(polyhedron)) {
|
|
std::cerr << "Input geometry is not triangulated." << std::endl;
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
// Create domain
|
|
Mesh_domain domain(polyhedron);
|
|
|
|
domain.detect_features(40);
|
|
|
|
// Mesh criteria
|
|
Mesh_criteria criteria(edge_size = 0.074,
|
|
edge_min_size = 0.1,
|
|
facet_distance = 0.0074,
|
|
facet_angle = 25,
|
|
facet_size = 0.074,
|
|
cell_radius_edge_ratio = 3,
|
|
cell_size = 0.074);
|
|
|
|
// Mesh generation
|
|
C3t3 c3t3 = CGAL::make_mesh_3<C3t3>(domain, criteria, no_perturb(), no_exude());
|
|
|
|
// Output
|
|
CGAL::dump_c3t3(c3t3, out_fname);
|
|
|
|
return EXIT_SUCCESS;
|
|
}
|
|
};
|
|
|
|
int main(int argc, char* argv[])
|
|
{
|
|
const std::string fname = (argc > 1) ? argv[1] : CGAL::data_file_path("meshes/dragknob.off");
|
|
|
|
typedef CGAL::Exact_predicates_inexact_constructions_kernel K;
|
|
typedef CGAL::Surface_mesh<K::Point_3> Surface_mesh;
|
|
|
|
return Tester<K, Surface_mesh>()(fname, "out-dragknob");
|
|
}
|