cgal/Surface_mesh/test/Surface_mesh/sm_ply_io.cpp

47 lines
1.5 KiB
C++

#include <CGAL/Surface_mesh/Surface_mesh.h>
#include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
#include <cstring>
#include <iostream>
#include <fstream>
typedef CGAL::Exact_predicates_inexact_constructions_kernel Kernel;
typedef Kernel::Point_3 Point;
typedef CGAL::Surface_mesh<Point> SMesh;
typedef boost::graph_traits<SMesh>::face_descriptor face_descriptor;
typedef boost::graph_traits<SMesh>::vertex_descriptor vertex_descriptor;
int main()
{
std::ifstream in ("colored_tetra.ply");
SMesh mesh;
CGAL::read_ply (in, mesh);
std::cerr << "Read mesh with " << mesh.number_of_vertices() << " vertices and "
<< mesh.number_of_faces() << " faces" << std::endl;
std::cerr << "Properties associated with vertices:" << std::endl;
std::vector<std::string> properties = mesh.properties<SMesh::Vertex_index>();
for (std::size_t i = 0; i < properties.size(); ++ i)
std::cerr << " * " << properties[i] << std::endl;
std::cerr << "Properties associated with faces:" << std::endl;
properties = mesh.properties<SMesh::Face_index>();
for (std::size_t i = 0; i < properties.size(); ++ i)
std::cerr << " * " << properties[i] << std::endl;
mesh.add_property_map<SMesh::Edge_index, short>("id", 42);
mesh.add_property_map<SMesh::Halfedge_index, float>("u", 13.f);
mesh.add_property_map<SMesh::Halfedge_index, float>("v", 37.f);
// Append second mesh
std::ifstream in2 ("tetra.ply");
CGAL::read_ply (in2, mesh);
std::ofstream out ("out.ply");
// CGAL::set_binary_mode(out);
CGAL::write_ply (out, mesh);
return 0;
}