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>
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#include <CGAL/Mesh_triangulation_3.h>
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#include <CGAL/Mesh_complex_3_in_triangulation_3.h>
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#include <CGAL/Mesh_criteria_3.h>
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#include <CGAL/Surface_mesh.h>
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#include <CGAL/Polyhedral_mesh_domain_with_features_3.h>
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#include <CGAL/make_mesh_3.h>
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template <typename K, typename Polyhedron>
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struct Tester {
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// Domain
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typedef CGAL::Polyhedral_mesh_domain_with_features_3<K, Polyhedron> Mesh_domain;
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// Triangulation
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typedef typename CGAL::Mesh_triangulation_3<Mesh_domain>::type Tr;
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typedef CGAL::Mesh_complex_3_in_triangulation_3<Tr> C3t3;
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// Criteria
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typedef CGAL::Mesh_criteria_3<Tr> Mesh_criteria;
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int operator()(const std::string fname, const std::string /*out_fname*/)
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{
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std::ifstream input(fname);
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using namespace CGAL::parameters;
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Polyhedron polyhedron;
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input >> polyhedron;
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if(input.fail()){
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std::cerr << "Error: Cannot read file " << fname << std::endl;
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return EXIT_FAILURE;
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}
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if (!CGAL::is_triangle_mesh(polyhedron)){
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std::cerr << "Input geometry is not triangulated." << std::endl;
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return EXIT_FAILURE;
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}
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// Create domain
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Mesh_domain domain(polyhedron);
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// domain.detect_features() is not called, on purpose
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// Mesh criteria
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Mesh_criteria criteria(edge_size = 0.2,
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facet_angle = 25, facet_size = 0.2, facet_distance = 0.02,
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cell_radius_edge_ratio = 3, cell_size = 0.2);
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// Mesh generation
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C3t3 c3t3 = CGAL::make_mesh_3<C3t3>(domain, criteria);
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// // Output
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// std::ofstream medit_file(out_fname);
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// CGAL::IO::write_MEDIT(medit_file, c3t3);
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return EXIT_SUCCESS;
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}
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};
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int main(int argc, char*argv[])
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{
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const std::string fname = (argc>1)?argv[1]:CGAL::data_file_path("meshes/cube.off");
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typedef CGAL::Exact_predicates_inexact_constructions_kernel K;
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typedef CGAL::Mesh_polyhedron_3<K>::type Polyhedron;
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typedef CGAL::Surface_mesh<K::Point_3> Surface_mesh;
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return
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Tester<K, Polyhedron>()(fname, "out-polyhedron.mesh") |
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Tester<K, Surface_mesh>()(fname, "out-surface_mesh.mesh");
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}
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