mirror of https://github.com/CGAL/cgal
bglize and add property maps. polyhedral domain with features works almost for Surface_mesh
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#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/boost/graph/Graph_with_descriptor_with_graph.h>
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#include <CGAL/boost/graph/PMP_properties_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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// Domain
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typedef CGAL::Exact_predicates_inexact_constructions_kernel K;
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typedef CGAL::Surface_mesh<K::Point_3> Surface_mesh;
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typedef CGAL::Graph_with_descriptor_with_graph<Surface_mesh> Polyhedron;
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typedef CGAL::Polyhedral_mesh_domain_with_features_3<K, Polyhedron> Mesh_domain;
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#ifdef CGAL_CONCURRENT_MESH_3
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typedef CGAL::Parallel_tag Concurrency_tag;
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#else
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typedef CGAL::Sequential_tag Concurrency_tag;
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#endif
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// Triangulation
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typedef CGAL::Mesh_triangulation_3<Mesh_domain,CGAL::Default,Concurrency_tag>::type Tr;
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typedef CGAL::Mesh_complex_3_in_triangulation_3<
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Tr,Mesh_domain::Corner_index,Mesh_domain::Curve_segment_index> C3t3;
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// Criteria
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typedef CGAL::Mesh_criteria_3<Tr> Mesh_criteria;
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// To avoid verbose function and named parameters call
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using namespace CGAL::parameters;
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int main(int argc, char*argv[])
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{
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const char* fname = (argc>1)?argv[1]:"data/fandisk.off";
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std::ifstream input(fname);
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Surface_mesh sm;
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input >> sm;
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Polyhedron polyhedron(sm);
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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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// Create domain
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Mesh_domain domain(polyhedron);
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// Get sharp features
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domain.detect_features();
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// Mesh criteria
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Mesh_criteria criteria(edge_size = 0.025,
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facet_angle = 25, facet_size = 0.05, facet_distance = 0.005,
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cell_radius_edge_ratio = 3, cell_size = 0.05);
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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.mesh");
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c3t3.output_to_medit(medit_file);
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}
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