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[tang <>]

Dear Sebastien, 

I have modified code as follows, howerver, there are still some errors when
compiling, could you please help me to take a look at it?

Thanks,
Zhanghong Tang

#include <CGAL/Polyhedron_incremental_builder_3.h>
#include <CGAL/Polyhedron_3.h>
#include <CGAL/Polyhedron_items_with_id_3.h>
#include <CGAL/IO/Polyhedron_iostream.h>
#include <CGAL/IO/Nef_polyhedron_iostream_3.h> 
#include <CGAL/Exact_predicates_exact_constructions_kernel.h>
#include <CGAL/Nef_polyhedron_3.h>

#include "math.h"
#include <iostream>
#include <istream>
#include <fstream> 

namespace CGAL {
class MyPolyhedron_items_with_id_3 {
public:
     template < class Refs, class Traits>
     struct Vertex_wrapper {
         typedef typename Traits::Point_3 Point;
         typedef HalfedgeDS_vertex_max_base_with_id< Refs,
Point,std::size_t> Vertex;
     };
     template < class Refs, class Traits>
     struct Halfedge_wrapper {
         typedef HalfedgeDS_halfedge_max_base_with_id<Refs, std::size_t>
Halfedge;
     };
     template < class Refs, class Traits>
     struct Face_wrapper {
         typedef HalfedgeDS_face_max_base_with_id< Refs,
Tag_true,std::size_t>  Face;
     };
};
}

using namespace std;  
typedef CGAL::Exact_predicates_exact_constructions_kernel    Kernel;
typedef Kernel::Point_3 Point_3;
typedef Kernel::Line_3 Line_3;
typedef CGAL::Nef_polyhedron_3<Kernel>                Nef_polyhedron;
typedef CGAL::Polyhedron_3<Kernel,CGAL::MyPolyhedron_items_with_id_3>       
Polyhedron;
typedef Polyhedron::HalfedgeDS HalfedgeDS;
typedef Kernel::Plane_3 Plane_3;
typedef Polyhedron::Vertex Vertex;
typedef Polyhedron::Vertex_iterator Vertex_iterator;
typedef Polyhedron::Vertex_handle Vertex_handle ;
typedef Polyhedron::Facet_iterator Facet_iterator;
typedef Polyhedron::Halfedge_handle Halfedge_handle;
typedef Polyhedron::Halfedge_around_vertex_circulator
Halfedge_vertex_circulator;
typedef Polyhedron::Halfedge_around_facet_circulator
Halfedge_facet_circulator;
typedef Nef_polyhedron::Aff_transformation_3 Aff_transformation_3;
typedef Nef_polyhedron::Vector_3 Vector_3;


error information:
2>D:\CGAL4.2\CGAL/Nef_3/polyhedron_3_to_nef_3.h(265): error C2027: use of
undefined type 'CGAL::internal::Plane_constructor<T>'
2>          with
2>          [
2>              T=Plane
2>          ]
2>          D:\CGAL4.2\CGAL/Nef_polyhedron_3.h(567) : see reference to
function template instantiation 'void
CGAL::polyhedron_3_to_nef_3<CGAL::Polyhedron_3&lt;PolyhedronTraits_3,PolyhedronItems_3>,CGAL::SNC_structure<Kernel_,Items_,Mark_>>(Polyhedron_
&,SNC_structure &)' being compiled
2>          with
2>          [
2>              PolyhedronTraits_3=Kernel,
2>              PolyhedronItems_3=CGAL::MyPolyhedron_items_with_id_3,
2>              Kernel_=Kernel,
2>              Items_=CGAL::Default_items<Kernel>::Items,
2>              Mark_=bool,
2>             
Polyhedron_=CGAL::Polyhedron_3<Kernel,CGAL::MyPolyhedron_items_with_id_3>,
2>             
SNC_structure=CGAL::SNC_structure<Kernel,CGAL::Default_items&lt;Kernel>::Items,bool>
2>          ]
2>          CSGlib.cpp(363) : see reference to function template
instantiation
'CGAL::Nef_polyhedron_3<Kernel_>::Nef_polyhedron_3<Kernel,CGAL::MyPolyhedron_items_with_id_3,CGAL::HalfedgeDS_default,std::allocator&lt;_Ty>>(CGAL::Polyhedron_3<PolyhedronTraits_3,PolyhedronItems_3>
&)' being compiled
2>          with
2>          [
2>              Kernel_=Kernel,
2>              _Ty=int,
2>              PolyhedronTraits_3=Kernel,
2>              PolyhedronItems_3=CGAL::MyPolyhedron_items_with_id_3
2>          ]
2>D:\CGAL4.2\CGAL/Nef_3/polyhedron_3_to_nef_3.h(265): error C3861:
'get_opposite_orthogonal_vector': identifier not found
2>D:\CGAL4.2\CGAL/Nef_3/polyhedron_3_to_nef_3.h(309): error C2027: use of
undefined type 'CGAL::internal::Plane_constructor<T>'
2>          with
2>          [
2>              T=Plane
2>          ]
2>D:\CGAL4.2\CGAL/Nef_3/polyhedron_3_to_nef_3.h(309): error C3861:
'get_opposite_orthogonal_vector': identifier not found
2>
2>Build FAILED.




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