pointConversion.H
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23 
24 Class
25  Foam::pointConversion
26 
27 Description
28  Conversion functions between point (Foam::) and Point (CGAL::)
29 
30 \*---------------------------------------------------------------------------*/
31 
32 #ifndef pointConversion_H
33 #define pointConversion_H
34 
35 #include "point.H"
36 
37 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
38 
39 #ifdef CGAL_INEXACT
40 
41  // Define Point to be contiguous for inexact (double storage) kernel
42  typedef const Foam::point& pointFromPoint;
43  typedef const CGAL::Triangulation_vertex_base_3<K>::Point& PointFrompoint;
44 
45 #else
46 
48  typedef CGAL::Triangulation_vertex_base_3<K>::Point PointFrompoint;
49 
50 #endif
51 
52 namespace Foam
53 {
54 
55 #ifdef CGAL_INEXACT
56 
57  template<class Point>
58  inline pointFromPoint topoint(const Point& P)
59  {
60  return reinterpret_cast<pointFromPoint>(P);
61  }
62 
63  inline PointFrompoint toPoint(const Foam::point& p)
64  {
65  return reinterpret_cast<PointFrompoint>(p);
66  }
67 
68 #else
69 
70  template<class Point>
71  inline pointFromPoint topoint(const Point& P)
72  {
73  return Foam::point
74  (
75  CGAL::to_double(P.x()),
76  CGAL::to_double(P.y()),
77  CGAL::to_double(P.z())
78  );
79  }
80 
81  inline PointFrompoint toPoint(const Foam::point& p)
82  {
83  return PointFrompoint(p.x(), p.y(), p.z());
84  }
85 
86 #endif
87 
88  //- Specialisation for indexedVertex.
89  template<>
90  inline pointFromPoint topoint<CGAL::indexedVertex<K>>
91  (
92  const CGAL::indexedVertex<K>& P
93  )
94  {
95  return topoint(P.point());
96  }
97 
98  //- Specialisation for Foam::point. Used only as a dummy.
99  template<>
100  inline pointFromPoint topoint<Foam::point>
101  (
102  const Foam::point& P
103  )
104  {
105  return P;
106  }
107 
108 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
109 
110 } // End namespace Foam
111 
112 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
113 
114 #endif
115 
116 // ************************************************************************* //
Foam::point pointFromPoint
CGAL::Triangulation_vertex_base_3< K >::Point PointFrompoint
pointFromPoint topoint(const Point &P)
const Cmpt & z() const
Definition: VectorI.H:87
const Cmpt & y() const
Definition: VectorI.H:81
An indexed form of CGAL::Triangulation_vertex_base_3<K> used to keep track of the Delaunay vertices i...
Definition: indexedVertex.H:51
PointFrompoint toPoint(const Foam::point &p)
const Cmpt & x() const
Definition: VectorI.H:75
vector point
Point is a vector.
Definition: point.H:41
volScalarField & p
Namespace for OpenFOAM.