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SmartTaggerT.cc
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41 
42 //=============================================================================
43 //
44 // CLASS SmartTaggerVT
45 //
46 //
47 // original Author: David Bommes <bommes@cs.rwth-aachen.de>
48 // $Revision: 18033 $
49 // $Author: moeller $
50 // $Date: 2014-01-16 17:17:07 +0100 (Do, 16. Jan 2014) $
51 //
52 //=============================================================================
53 
54 //=============================================================================
55 //
56 // CLASS SmartTaggerT - IMPLEMENTATION
57 //
58 //=============================================================================
59 
60 #define ACG_SMARTTAGGERT_C
61 
62 //== INCLUDES =================================================================
63 
64 #include "SmartTaggerT.hh"
65 
66 #include <iostream>
67 #include <limits>
68 
69 //== NAMESPACES ===============================================================
70 
71 namespace ACG {
72 
73 //== IMPLEMENTATION ==========================================================
74 
75 template <class Mesh, class EHandle, class EPHandle>
77 SmartTaggerT(Mesh& _mesh, unsigned int _tag_range)
78  : mesh_(_mesh),
79  current_base_(0),
80  tag_range_(_tag_range)
81 {
82  // add new property
83  mesh_.add_property(ep_tag_);
84 
85  // reset all tags once
86  all_tags_to_zero();
87 }
88 
89 
90 //-----------------------------------------------------------------------------
91 
92 
93 template <class Mesh, class EHandle, class EPHandle>
96 {
97  mesh_.remove_property(ep_tag_);
98 }
99 
100 
101 //-----------------------------------------------------------------------------
102 
103 
104 template <class Mesh, class EHandle, class EPHandle>
105 void
108 {
109  unsigned int max_uint = std::numeric_limits<unsigned int>::max();
110 
111  if( current_base_ < max_uint - 2*tag_range_)
112  current_base_ += tag_range_;
113  else
114  {
115  //overflow -> reset all tags
116 #ifdef STV_DEBUG_CHECKS
117  std::cerr << "Tagging Overflow occured...\n";
118 #endif
119  current_base_ = 0;
120  all_tags_to_zero();
121  }
122 }
123 
124 
125 //-----------------------------------------------------------------------------
126 
127 
128 template <class Mesh, class EHandle, class EPHandle>
129 void
131 untag_all( const unsigned int _new_tag_range)
132 {
133  set_tag_range(_new_tag_range);
134 }
135 
136 
137 //-----------------------------------------------------------------------------
138 
139 template <class Mesh, class EHandle, class EPHandle>
140 void
142 set_tag ( const EHandle _eh, unsigned int _tag)
143 {
144 #ifdef STV_DEBUG_CHECKS
145  if( _tag > tag_range_)
146  std::cerr << "ERROR in set_tag tag range!!!\n";
147 #endif
148 
149  mesh_.property(ep_tag_, _eh) = current_base_ + _tag;
150 }
151 
152 
153 //-----------------------------------------------------------------------------
154 
155 
156 template <class Mesh, class EHandle, class EPHandle>
157 unsigned int
159 get_tag ( const EHandle _eh) const
160 {
161  unsigned int t = mesh_.property(ep_tag_, _eh);
162 
163 #ifdef STV_DEBUG_CHECKS
164  if( t > current_base_ + tag_range_)
165  std::cerr << "ERROR in get_tag tag range!!!\n";
166 #endif
167 
168  if( t<= current_base_) return 0;
169  else return t-current_base_;
170 }
171 
172 
173 //-----------------------------------------------------------------------------
174 
175 
176 template <class Mesh, class EHandle, class EPHandle>
177 bool
179 is_tagged( const EHandle _eh) const
180 {
181  return bool(get_tag(_eh));
182 }
183 
184 
185 //-----------------------------------------------------------------------------
186 
187 
188 template <class Mesh, class EHandle, class EPHandle>
189 void
191 set_tag_range( const unsigned int _tag_range)
192 {
193  if( _tag_range <= tag_range_)
194  {
195  untag_all();
196  tag_range_ = _tag_range;
197  }
198  else
199  {
200  tag_range_ = _tag_range;
201  untag_all();
202  }
203 }
204 
205 
206 //-----------------------------------------------------------------------------
207 
208 
209 template <class Mesh, class EHandle, class EPHandle>
210 void
213 {
214  // iterate over property vector
215  for(unsigned int i=0; i<mesh_.property(ep_tag_).n_elements(); ++i)
216  {
217  mesh_.property(ep_tag_)[i] = 0;
218  }
219 }
220 
221 //=============================================================================
222 } // namespace ACG
223 //=============================================================================
bool is_tagged(const EHandle _eh) const
overloaded member for boolean tags
Namespace providing different geometric functions concerning angles.
Definition: DBSCANT.cc:51
void set_tag_range(const unsigned int _tag_range)
set new tag range and untag_all
Smart Tagger.
~SmartTaggerT()
Destructor.
Definition: SmartTaggerT.cc:95
unsigned int get_tag(const EHandle _eh) const
get tag value in range [0..tag_range]
SmartTaggerT(Mesh &_mesh, unsigned int _tag_range=1)
Constructor.
Definition: SmartTaggerT.cc:77
void untag_all()
untag all elements
void set_tag(const EHandle _eh, unsigned int _tag=1)
set tag to a value in [0..tag_range]