CGAL 4.7 - Polygon Mesh Processing: Polygon_mesh_processing/triangulate_faces_example.cpp

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CGAL 4.7 - Polygon Mesh Processing

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Polygon_mesh_processing/triangulate_faces_example.cpp
#include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
#include <CGAL/Surface_mesh.h>
#include <CGAL/boost/graph/graph_traits_Surface_mesh.h>
#include <CGAL/Polygon_mesh_processing/triangulate_faces.h>
#include <fstream>
typedef CGAL::Exact_predicates_inexact_constructions_kernel Kernel;
typedef Kernel::Point_3 Point;
typedef CGAL::Surface_mesh<Point> Surface_mesh;
int main(int argc, char* argv[])
{
const char* filename = (argc > 1) ? argv[1] : "data/P.off";
std::ifstream input(filename);
Surface_mesh mesh;
if (!input || !(input >> mesh) || mesh.is_empty())
{
std::cerr << "Not a valid off file." << std::endl;
return 1;
}
CGAL::Polygon_mesh_processing::triangulate_faces(mesh);
std::ofstream cube_off("P_tri.off");
cube_off << mesh;
cube_off.close();
return 0;
}