| OpenMesh

- Main Page
- Related Pages
- Modules
- Namespaces
- Classes
- Files

- File List
- File Members

All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Macros Modules Pages
smooth_mesh.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 * $Revision$ *
45 * $Date$ *
46 * *
47 \*===========================================================================*/
48
49 #ifndef SMOOTH_MESH_HH
50 #define SMOOTH_MESH_HH
51
52 //== INCLUDES =================================================================
53
54 #include <OpenMesh/Core/Utils/Property.hh>
55
56 //== NAMESPACE ================================================================
57
58 namespace OpenMesh { //BEGIN_NS_OPENMESH
59
60 template <class _Mesh, class _PropertyHandle>
61 void smooth_mesh_property(unsigned int _n_iters, _Mesh& _m, _PropertyHandle _pph)
62 {
63 typedef typename _PropertyHandle::Value Value;
64
65 std::vector<Value> temp_values(_m.n_vertices());
66
67 for (unsigned int i=0; i < _n_iters; ++i)
68 {
69 for ( typename _Mesh::ConstVertexIter cv_it = _m.vertices_begin();
70 cv_it != _m.vertices_end(); ++cv_it)
71 {
72 unsigned int valence = 0;
73
74 Value& temp_value = temp_values[cv_it->idx()];
75
76 temp_value.vectorize(0);
77
78 for ( typename _Mesh::ConstVertexVertexIter cvv_it = _m.cvv_iter(cv_it);
79 cvv_it; ++cvv_it)
80 {
81 temp_value += _m.property(_pph,cvv_it);
82 ++valence;
83 }
84 if (valence > 0)
85 {//guard against isolated vertices
86 temp_value *= (typename Value::value_type)(1.0 / valence);
87 }
88 else
89 {
90 temp_value = _m.property(_pph, cv_it);
91 }
92 }
93
94 for ( typename _Mesh::ConstVertexIter cv_it = _m.vertices_begin();
95 cv_it != _m.vertices_end(); ++cv_it)
96 {
97 _m.property(_pph,cv_it) = temp_values[cv_it->idx()];
98 }
99 }
100 }
101
102 template <class _Mesh>
103 void smooth_mesh(_Mesh& _m, uint _n_iters)
104 {
105 smooth_mesh_property(_n_iters, _m, _m.points_pph());
106 }
107
108 };//namespace OpenMesh
109
110 #endif//SMOOTH_MESH_HH
OpenMesh
Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...
Definition: MeshItems.hh:64