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Plane3d.hh
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50 
51 //=============================================================================
52 //
53 // CLASS Plane3D
54 //
55 //=============================================================================
56 
57 
58 #ifndef OPENMESH_PLANE3D_HH
59 #define OPENMESH_PLANE3D_HH
60 
61 
62 //== INCLUDES =================================================================
63 
64 #include <OpenMesh/Core/Geometry/VectorT.hh>
65 
66 
67 //== FORWARDDECLARATIONS ======================================================
68 
69 //== NAMESPACES ===============================================================
70 
71 namespace OpenMesh {
72 namespace VDPM {
73 
74 //== CLASS DEFINITION =========================================================
75 
76 
83 class OPENMESHDLLEXPORT Plane3d
84 {
85 public:
86 
87  typedef OpenMesh::Vec3f vector_type;
88  typedef vector_type::value_type value_type;
89 
90 public:
91 
92  Plane3d()
93  : d_(0)
94  { }
95 
96  Plane3d(const vector_type &_dir, const vector_type &_pnt)
97  : n_(_dir), d_(0)
98  {
99  n_.normalize();
100  d_ = -dot(n_,_pnt);
101  }
102 
103  value_type signed_distance(const OpenMesh::Vec3f &_p)
104  {
105  return dot(n_ , _p) + d_;
106  }
107 
108  // back compatibility
109  value_type singed_distance(const OpenMesh::Vec3f &point)
110  { return signed_distance( point ); }
111 
112 public:
113 
114  vector_type n_;
115  value_type d_;
116 
117 };
118 
119 //=============================================================================
120 } // namespace VDPM
121 } // namespace OpenMesh
122 //=============================================================================
123 #endif // OPENMESH_PLANE3D_HH defined
124 //=============================================================================
osg::Vec3f::ValueType dot(const osg::Vec3f &_v1, const osg::Vec3f &_v2)
Adapter for osg vector member computing a scalar product.
Definition: VectorAdapter.hh:181
ax + by + cz + d = 0
Definition: Plane3d.hh:83
Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...
Definition: MeshItems.hh:64

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