File: TriMesh.cpp

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#include <CGAL/Exact_predicates_inexact_constructions_kernel.h>

#include <OpenMesh/Core/IO/MeshIO.hh>
#include <OpenMesh/Core/Mesh/TriMesh_ArrayKernelT.hh>

#include <CGAL/boost/graph/graph_traits_TriMesh_ArrayKernelT.h>
#include <CGAL/boost/graph/iterator.h>
#include <CGAL/boost/graph/Euler_operations.h>

#include <CGAL/mesh_segmentation.h>

#include <CGAL/property_map.h>

#include <iostream>
#include <fstream>

#include <boost/foreach.hpp>

typedef CGAL::Exact_predicates_inexact_constructions_kernel Kernel;

typedef OpenMesh::TriMesh_ArrayKernelT</* MyTraits*/> Mesh;

typedef boost::graph_traits<Mesh>::vertex_descriptor vertex_descriptor;
typedef boost::graph_traits<Mesh>::face_descriptor face_descriptor;
typedef boost::graph_traits<Mesh>::halfedge_descriptor halfedge_descriptor;


int main(int argc, char** argv )
{
  Mesh mesh;

  std::vector<vertex_descriptor> V;
  V.push_back(add_vertex(mesh));
  V.push_back(add_vertex(mesh));
  V.push_back(add_vertex(mesh));
  add_face(V.begin(), V.end(), mesh);

  //  OpenMesh::IO::read_mesh(mesh, (argc>1)?argv[1]:"in.off");
  
  BOOST_FOREACH(vertex_descriptor vd, vertices(mesh)){
    BOOST_FOREACH(halfedge_descriptor hd, CGAL::halfedges_around_target(vd,mesh)){
      if(! CGAL::is_border(edge(hd,mesh),mesh)){
        CGAL::Euler::flip_edge(hd,mesh);
        OpenMesh::IO::write_mesh(mesh, (argc>2)?argv[2]:"out.off");
        return 0;
      }
    }
  }
  return 0;
}