OpenMesh: OpenMesh/Tools/Smoother/smooth_mesh.hh Source File

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smooth_mesh.hh
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42 /*===========================================================================*\
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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