cgal/Ridges_3/examples/Ridges_3/PolyhedralSurf.h

74 lines
2.2 KiB
C++

#ifndef CGAL_POLYHEDRALSURF_H_
#define CGAL_POLYHEDRALSURF_H_
#include <CGAL/Cartesian.h>
#include <CGAL/Polyhedron_3.h>
#include <CGAL/IO/Polyhedron_iostream.h>
#include <cstdlib>
#include <cstdio>
#include <algorithm>
#include <vector>
#include <list>
#include "PolyhedralSurf_operations.h"
//----------------------------------------------------------------
// A redefined items class for the Polyhedron_3 with
// a refined facet with a normal vector
//---------------------------------------------------------------
//----------------------------------------------------------------
// Facet with normal and possibly more types. types are recovered
//from the FGeomTraits template arg
//----------------------------------------------------------------
template < class Refs, class Tag, class FGeomTraits >
class My_facet:public CGAL::HalfedgeDS_face_base < Refs, Tag >
{
public:
typedef typename FGeomTraits::Vector_3 Vector_3;
protected:
Vector_3 normal;
public:
My_facet() {}
const Vector_3 & getUnitNormal() const { return normal; }
void setNormal(Vector_3 n) { normal = n; }
};
//------------------------------------------------
// Wrappers [Vertex, Face, Halfedge]
//------------------------------------------------
struct Wrappers_VFH:public CGAL::Polyhedron_items_3 {
// wrap face
//NOTE: [HDS, Face] renamed [Polyhedron, Facet]
template < class Refs, class Traits > struct Face_wrapper {
//typedef typename Traits::Vector_3 Vector_3;
//all types needed by the facet...
typedef struct {
public:
typedef typename Traits::Vector_3 Vector_3;
} FGeomTraits;
//custom type instantiated...
typedef My_facet < Refs, CGAL::Tag_true, FGeomTraits > Face;
};
};
//------------------------------------------------
//PolyhedralSurf with facet normal operations
//------------------------------------------------
typedef double FT;
typedef CGAL::Cartesian<FT> Kernel;
typedef CGAL::Polyhedron_3 < Kernel, Wrappers_VFH > Polyhedron;
typedef Kernel::Vector_3 Vector_3;
class PolyhedralSurf:public Polyhedron {
public:
PolyhedralSurf() {}
void compute_facets_normals();
const Vector_3 computeFacetsAverageUnitNormal(const Vertex_const_handle v);
};
#endif