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Plane3d.hh
1 /* ========================================================================= *
2 * *
3 * OpenMesh *
4 * Copyright (c) 2001-2015, RWTH-Aachen University *
5 * Department of Computer Graphics and Multimedia *
6 * All rights reserved. *
7 * www.openmesh.org *
8 * *
9 *---------------------------------------------------------------------------*
10 * This file is part of OpenMesh. *
11 *---------------------------------------------------------------------------*
12 * *
13 * Redistribution and use in source and binary forms, with or without *
14 * modification, are permitted provided that the following conditions *
15 * are met: *
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18 * this list of conditions and the following disclaimer. *
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20 * 2. Redistributions in binary form must reproduce the above copyright *
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26 * this software without specific prior written permission. *
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28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS *
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39 * *
40 * ========================================================================= */
41
42
43
44 /*===========================================================================*\
45 * *
46 * $Revision$ *
47 * $Date$ *
48 * *
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
Definition: MeshItems.hh:64
OpenMesh::VDPM::Plane3d
Definition: Plane3d.hh:83
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