libigl_Martin/include/igl/cgal/complex_to_mesh.h

// This file is part of libigl, a simple c++ geometry processing library.
// 
// Copyright (C) 2014 Alec Jacobson <alecjacobson@gmail.com>
// 
// This Source Code Form is subject to the terms of the Mozilla Public License 
// v. 2.0. If a copy of the MPL was not distributed with this file, You can 
// obtain one at http://mozilla.org/MPL/2.0/.
#ifndef IGL_CGAL_COMPLEX_TO_MESH_H
#define IGL_CGAL_COMPLEX_TO_MESH_H
#include "../igl_inline.h"

#include <Eigen/Dense>
#include <CGAL/Complex_2_in_triangulation_3.h>

namespace igl 
{
  namespace cgal
  {
    // Templates:
    //   Tr  CGAL triangulation type, e.g.
    //     CGAL::Surface_mesh_default_triangulation_3
    // Inputs
    //   c2t3  2-complex (surface) living in a 3d triangulation (e.g. result of
    //     CGAL::make_surface_mesh)
    // Outputs:
    //   V  #V by 3 list of vertex positions
    //   F  #F by 3 list of triangle indices
    // Returns true iff conversion was successful, failure can ok if CGAL code
    // can't figure out ordering.
    //
    template <typename Tr, typename DerivedV, typename DerivedF>
    IGL_INLINE bool complex_to_mesh(
      const CGAL::Complex_2_in_triangulation_3<Tr> & c2t3,
      Eigen::PlainObjectBase<DerivedV> & V, 
      Eigen::PlainObjectBase<DerivedF> & F);
  }
}

#ifndef IGL_STATIC_LIBRARY
#  include "complex_to_mesh.cpp"
#endif

#endif