OpenMesh: OpenMesh/Core/Geometry/Plane3d.hh Source File

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Plane3d.hh
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44 /*===========================================================================*\
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49 \*===========================================================================*/
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 //=============================================================================
OpenMesh::VDPM::Plane3d
ax + by + cz + d = 0
Definition: Plane3d.hh:83
OpenMesh
Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...
Definition: MeshItems.hh:64
OpenMesh::VectorT< float, 3 >
OpenMesh::dot
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
OpenMesh::VectorT::value_type
Scalar value_type
the type of the scalar used in this template
Definition: Vector11T.hh:96