mirror of https://github.com/CGAL/cgal
56 lines
1.5 KiB
C++
56 lines
1.5 KiB
C++
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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/Labeled_mesh_domain_3.h>
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#include <CGAL/make_mesh_3.h>
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#include <CGAL/Image_3.h>
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#include <functional>
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typedef float Image_word_type;
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// Domain
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typedef CGAL::Exact_predicates_inexact_constructions_kernel K;
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typedef CGAL::Labeled_mesh_domain_3<K> Mesh_domain;
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// Triangulation
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typedef 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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namespace params = CGAL::parameters;
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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("images/skull_2.9.inr");
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// Load image
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CGAL::Image_3 image;
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if(!image.read(fname)){
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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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/// [Domain creation]
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Mesh_domain domain =
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Mesh_domain::create_gray_image_mesh_domain(image, params::iso_value(2.9f).value_outside(0.f));
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/// [Domain creation]
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// Mesh criteria
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Mesh_criteria criteria(params::facet_angle(30).facet_size(6).facet_distance(2).
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cell_radius_edge_ratio(3).cell_size(8));
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// Meshing
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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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CGAL::IO::write_MEDIT(medit_file, c3t3);
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medit_file.close();
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return 0;
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}
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