CGAL 5.6 - Surface Mesh
Surface_mesh/draw_surface_mesh.cpp
#include <CGAL/Simple_cartesian.h>
#include <CGAL/Surface_mesh.h>
#include <CGAL/draw_surface_mesh.h>
#include <fstream>
typedef Kernel::Point_3 Point;
int main(int argc, char* argv[])
{
const std::string filename = (argc>1) ? argv[1] : CGAL::data_file_path("meshes/elephant.off");
Mesh sm;
if(!CGAL::IO::read_polygon_mesh(filename, sm))
{
std::cerr << "Invalid input file." << std::endl;
return EXIT_FAILURE;
}
// Internal color property maps are used if they exist and are called "v:color", "e:color" and "f:color".
auto vcm = sm.add_property_map<Mesh::Vertex_index, CGAL::IO::Color>("v:color").first;
auto ecm = sm.add_property_map<Mesh::Edge_index, CGAL::IO::Color>("e:color").first;
auto fcm = sm.add_property_map<Mesh::Face_index>("f:color", CGAL::IO::white() /*default*/).first;
for(auto v : vertices(sm))
{
if(v.idx()%2)
put(vcm, v, CGAL::IO::black());
else
put(vcm, v, CGAL::IO::blue());
}
for(auto e : edges(sm))
put(ecm, e, CGAL::IO::gray());
CGAL_USE(fcm);
// Draw!
return EXIT_SUCCESS;
}