mirror of https://github.com/CGAL/cgal
44 lines
1.3 KiB
C++
44 lines
1.3 KiB
C++
#include <CGAL/Simple_cartesian.h>
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#include <CGAL/Surface_mesh.h>
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#include <CGAL/draw_surface_mesh.h>
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#include <fstream>
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typedef CGAL::Simple_cartesian<double> Kernel;
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typedef Kernel::Point_3 Point;
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typedef CGAL::Surface_mesh<Point> Mesh;
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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: " << filename << std::endl;
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return EXIT_FAILURE;
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}
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// Internal color property maps are used if they exist and are called "v:color", "e:color" and "f:color".
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auto vcm = sm.add_property_map<Mesh::Vertex_index, CGAL::IO::Color>("v:color").first;
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auto ecm = sm.add_property_map<Mesh::Edge_index, CGAL::IO::Color>("e:color").first;
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auto fcm = sm.add_property_map<Mesh::Face_index>("f:color", CGAL::IO::white() /*default*/).first;
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for(auto v : vertices(sm))
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{
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if(v.idx()%2)
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{ put(vcm, v, CGAL::IO::black()); }
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else
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{ put(vcm, v, CGAL::IO::blue()); }
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}
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for(auto e : edges(sm))
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{ put(ecm, e, CGAL::IO::gray()); }
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put(fcm, *(sm.faces().begin()), CGAL::IO::red());
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// Draw!
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CGAL::draw(sm);
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return EXIT_SUCCESS;
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}
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