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Plane3d.hh
1 /*===========================================================================*\
2 * *
3 * OpenMesh *
4 * Copyright (C) 2001-2014 by Computer Graphics Group, RWTH Aachen *
5 * www.openmesh.org *
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10 * OpenMesh is free software: you can redistribute it and/or modify *
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16 * If other files instantiate templates or use macros *
17 * or inline functions from this file, or you compile this file and *
18 * link it with other files to produce an executable, this file does *
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20 * GNU Lesser General Public License. This exception does not however *
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33 \*===========================================================================*/
34
35 /*===========================================================================*\
36 * *
37 * $Revision: 990 $ *
38 * $Date: 2014-02-05 10:01:07 +0100 (Mi, 05. Feb 2014) $ *
39 * *
40 \*===========================================================================*/
41
42 //=============================================================================
43 //
44 // CLASS Plane3D
45 //
46 //=============================================================================
47
48
49 #ifndef OPENMESH_PLANE3D_HH
50 #define OPENMESH_PLANE3D_HH
51
52
53 //== INCLUDES =================================================================
54
55 #include <OpenMesh/Core/Geometry/VectorT.hh>
56
57
58 //== FORWARDDECLARATIONS ======================================================
59
60 //== NAMESPACES ===============================================================
61
62 namespace OpenMesh {
63 namespace VDPM {
64
65 //== CLASS DEFINITION =========================================================
66
67
74 class OPENMESHDLLEXPORT Plane3d
75 {
76 public:
77
78 typedef OpenMesh::Vec3f vector_type;
79 typedef vector_type::value_type value_type;
80
81 public:
82
83 Plane3d()
84 : d_(0)
85 { }
86
87 Plane3d(const vector_type &_dir, const vector_type &_pnt)
88 : n_(_dir), d_(0)
89 {
90 n_.normalize();
91 d_ = -dot(n_,_pnt);
92 }
93
94 value_type signed_distance(const OpenMesh::Vec3f &_p)
95 {
96 return dot(n_ , _p) + d_;
97 }
98
99 // back compatibility
100 value_type singed_distance(const OpenMesh::Vec3f &point)
101 { return signed_distance( point ); }
102
103 public:
104
105 vector_type n_;
106 value_type d_;
107
108 };
109
110 //=============================================================================
111 } // namespace VDPM
112 } // namespace OpenMesh
113 //=============================================================================
114 #endif // OPENMESH_PLANE3D_HH defined
115 //=============================================================================
OpenMesh::VDPM::Plane3d
ax + by + cz + d = 0
Definition: Plane3d.hh:74
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:174