mirror of https://github.com/CGAL/cgal
49 lines
1.5 KiB
C++
49 lines
1.5 KiB
C++
#include <CGAL/Simple_cartesian.h>
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#include <CGAL/Surface_mesh.h>
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#include <CGAL/Surface_mesh_parameterization/IO/File_off.h>
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#include <CGAL/Surface_mesh_parameterization/parameterize.h>
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#include <CGAL/Polygon_mesh_processing/measure.h>
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#include <iostream>
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#include <fstream>
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typedef CGAL::Simple_cartesian<double> Kernel;
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typedef Kernel::Point_2 Point_2;
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typedef Kernel::Point_3 Point_3;
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typedef CGAL::Surface_mesh<Kernel::Point_3> SurfaceMesh;
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typedef boost::graph_traits<SurfaceMesh>::vertex_descriptor vertex_descriptor;
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typedef boost::graph_traits<SurfaceMesh>::halfedge_descriptor halfedge_descriptor;
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typedef boost::graph_traits<SurfaceMesh>::face_descriptor face_descriptor;
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namespace SMP = CGAL::Surface_mesh_parameterization;
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int main(int argc, char** argv)
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{
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std::ifstream in((argc>1) ? argv[1] : "data/nefertiti.off");
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if(!in) {
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std::cerr << "Problem loading the input data" << std::endl;
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return EXIT_FAILURE;
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}
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SurfaceMesh sm;
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in >> sm;
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// a halfedge on the border
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halfedge_descriptor bhd = CGAL::Polygon_mesh_processing::longest_border(sm).first;
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// The UV property map that holds the parameterized values
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typedef SurfaceMesh::Property_map<vertex_descriptor, Point_2> UV_pmap;
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UV_pmap uv_map = sm.add_property_map<vertex_descriptor, Point_2>("h:uv").first;
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SMP::parameterize(sm, bhd, uv_map);
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std::ofstream out("result.off");
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SMP::IO::output_uvmap_to_off(sm, bhd, uv_map, out);
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return EXIT_SUCCESS;
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}
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