mirror of https://github.com/CGAL/cgal
43 lines
1.2 KiB
C++
43 lines
1.2 KiB
C++
#include <CGAL/Simple_cartesian.h>
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#include <CGAL/Surface_mesh.h>
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#include <CGAL/Polygon_mesh_processing/measure.h>
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#include <CGAL/Polygon_mesh_processing/triangulate_faces.h>
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#include <fstream>
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#include <string>
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#include <cassert>
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#include "draw_surface_mesh_small_faces.h"
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typedef CGAL::Simple_cartesian<double> K;
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typedef CGAL::Surface_mesh<K::Point_3> Mesh;
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typedef Mesh::Vertex_index vertex_descriptor;
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typedef Mesh::Face_index face_descriptor;
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typedef K::FT FT;
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int main(int argc, char* argv[])
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{
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const std::string filename = (argc>1) ? argv[1] : CGAL::data_file_path("meshes/elephant.off");
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Mesh sm;
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if(!CGAL::IO::read_polygon_mesh(filename, sm))
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{
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std::cerr << "Invalid input file." << std::endl;
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return EXIT_FAILURE;
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}
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CGAL::Polygon_mesh_processing::triangulate_faces(sm);
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Mesh::Property_map<face_descriptor, FT> faces_size;
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bool created;
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boost::tie(faces_size, created)=sm.add_property_map<face_descriptor, FT>("f:size",0.);
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assert(created);
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for(face_descriptor fd : sm.faces())
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{ faces_size[fd]=CGAL::Polygon_mesh_processing::face_area(fd, sm); }
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draw_surface_mesh_with_small_faces(sm);
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sm.remove_property_map(faces_size);
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return EXIT_SUCCESS;
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}
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