Developer Documentation
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: *
16  * *
17  * 1. Redistributions of source code must retain the above copyright notice, *
18  * this list of conditions and the following disclaimer. *
19  * *
20  * 2. Redistributions in binary form must reproduce the above copyright *
21  * notice, this list of conditions and the following disclaimer in the *
22  * documentation and/or other materials provided with the distribution. *
23  * *
24  * 3. Neither the name of the copyright holder nor the names of its *
25  * contributors may be used to endorse or promote products derived from *
26  * this software without specific prior written permission. *
27  * *
28  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS *
29  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED *
30  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A *
31  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER *
32  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, *
33  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, *
34  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR *
35  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF *
36  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING *
37  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS *
38  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *
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 
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 //=============================================================================
Scalar value_type
the type of the scalar used in this template
Definition: Vector11T.hh:96
osg::Vec3f::ValueType dot(const osg::Vec3f &_v1, const osg::Vec3f &_v2)
Adapter for osg vector member computing a scalar product.