| OpenMesh

SmartTaggerT_impl.hh
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41
42 #define OPENMESH_SMARTTAGGERT_C
43
44 //== INCLUDES =================================================================
45
46 #include "SmartTaggerT.hh"
47
48 #include <iostream>
49 #include <limits>
50
51 //== NAMESPACES ===============================================================
52
53 namespace OpenMesh {
54
55 //== IMPLEMENTATION ==========================================================
56
57 template <class Mesh, class EHandle, class EPHandle>
58 SmartTaggerT<Mesh, EHandle, EPHandle>::
59 SmartTaggerT(Mesh& _mesh, unsigned int _tag_range)
60 : mesh_(_mesh),
61 current_base_(0),
62 tag_range_(_tag_range)
63 {
64 // add new property
65 mesh_.add_property(ep_tag_);
66
67 // reset all tags once
68 all_tags_to_zero();
69 }
70
71
72 //-----------------------------------------------------------------------------
73
74
75 template <class Mesh, class EHandle, class EPHandle>
76 SmartTaggerT<Mesh, EHandle, EPHandle>::
77 ~SmartTaggerT()
78 {
79 mesh_.remove_property(ep_tag_);
80 }
81
82
83 //-----------------------------------------------------------------------------
84
85
86 template <class Mesh, class EHandle, class EPHandle>
87 void
88 SmartTaggerT<Mesh, EHandle, EPHandle>::
89 untag_all()
90 {
91 unsigned int max_uint = std::numeric_limits<unsigned int>::max();
92
93 if( current_base_ < max_uint - 2*tag_range_)
94 current_base_ += tag_range_;
95 else
96 {
97 //overflow -> reset all tags
98 #ifdef STV_DEBUG_CHECKS
99 std::cerr << "Tagging Overflow occured...\n";
100 #endif
101 current_base_ = 0;
102 all_tags_to_zero();
103 }
104 }
105
106
107 //-----------------------------------------------------------------------------
108
109
110 template <class Mesh, class EHandle, class EPHandle>
111 void
112 SmartTaggerT<Mesh, EHandle, EPHandle>::
113 untag_all( const unsigned int _new_tag_range)
114 {
115 set_tag_range(_new_tag_range);
116 }
117
118
119 //-----------------------------------------------------------------------------
120
121 template <class Mesh, class EHandle, class EPHandle>
122 void
123 SmartTaggerT<Mesh, EHandle, EPHandle>::
124 set_tag ( const EHandle _eh, unsigned int _tag)
125 {
126 #ifdef STV_DEBUG_CHECKS
127 if( _tag > tag_range_)
128 std::cerr << "ERROR in set_tag tag range!!!\n";
129 #endif
130
131 mesh_.property(ep_tag_, _eh) = current_base_ + _tag;
132 }
133
134
135 //-----------------------------------------------------------------------------
136
137
138 template <class Mesh, class EHandle, class EPHandle>
139 unsigned int
140 SmartTaggerT<Mesh, EHandle, EPHandle>::
141 get_tag ( const EHandle _eh) const
142 {
143 unsigned int t = mesh_.property(ep_tag_, _eh);
144
145 #ifdef STV_DEBUG_CHECKS
146 if( t > current_base_ + tag_range_)
147 std::cerr << "ERROR in get_tag tag range!!!\n";
148 #endif
149
150 if( t<= current_base_) return 0;
151 else return t-current_base_;
152 }
153
154
155 //-----------------------------------------------------------------------------
156
157
158 template <class Mesh, class EHandle, class EPHandle>
159 bool
160 SmartTaggerT<Mesh, EHandle, EPHandle>::
161 is_tagged( const EHandle _eh) const
162 {
163 return bool(get_tag(_eh));
164 }
165
166
167 //-----------------------------------------------------------------------------
168
169
170 template <class Mesh, class EHandle, class EPHandle>
171 void
172 SmartTaggerT<Mesh, EHandle, EPHandle>::
173 set_tag_range( const unsigned int _tag_range)
174 {
175 if( _tag_range <= tag_range_)
176 {
177 untag_all();
178 tag_range_ = _tag_range;
179 }
180 else
181 {
182 tag_range_ = _tag_range;
183 untag_all();
184 }
185 }
186
187
188 //-----------------------------------------------------------------------------
189
190
191 template <class Mesh, class EHandle, class EPHandle>
192 void
193 SmartTaggerT<Mesh, EHandle, EPHandle>::
194 all_tags_to_zero()
195 {
196 // iterate over property vector
197 for(unsigned int i=0; i<mesh_.property(ep_tag_).n_elements(); ++i)
198 {
199 mesh_.property(ep_tag_)[i] = 0;
200 }
201 }
202
203 //=============================================================================
204 } // namespace OpenMesh
205 //=============================================================================
OpenMesh::SmartTaggerT
Smart Tagger.
Definition: SmartTaggerT.hh:124
OpenMesh::SmartTaggerT::SmartTaggerT
SmartTaggerT(Mesh &_mesh, unsigned int _tag_range=1)
Constructor.
Definition: SmartTaggerT_impl.hh:59
OpenMesh
Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...
Definition: MeshItems.hh:59