OpenMesh
CompositeT.hh
Go to the documentation of this file.
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 
48 //=============================================================================
49 //
50 // CLASS CompositeT
51 //
52 //=============================================================================
53 
54 #ifndef OPENMESH_SUBDIVIDER_UNIFORM_COMPOSITE_HH
55 #define OPENMESH_SUBDIVIDER_UNIFORM_COMPOSITE_HH
56 
57 
58 //== INCLUDES =================================================================
59 
60 #include <string>
61 #include <vector>
62 // --------------------
64 
65 //== NAMESPACE ================================================================
66 
67 namespace OpenMesh { // BEGIN_NS_OPENMESH
68 namespace Subdivider { // BEGIN_NS_DECIMATER
69 namespace Uniform { // BEGIN_NS_UNIFORM
70 
71 
72 //== CLASS DEFINITION =========================================================
73 
88 template <typename MeshType, typename RealType=float >
89 class CompositeT : public SubdividerT< MeshType, RealType >
90 {
91 public:
92 
93  typedef RealType real_t;
94  typedef MeshType mesh_t;
96 
97 public:
98 
99  CompositeT(void) : parent_t(), p_mesh_(nullptr) {}
100  explicit CompositeT(MeshType& _mesh) : parent_t(_mesh), p_mesh_(nullptr) {};
101  virtual ~CompositeT() { }
102 
103 public: // inherited interface
104 
105  virtual const char *name( void ) const override = 0;
106 
107 protected: // inherited interface
108 
109  bool prepare( MeshType& _m ) override;
110 
111  bool subdivide( MeshType& _m, size_t _n, const bool _update_points = true ) override
112  {
113  assert( p_mesh_ == &_m );
114 
115  while(_n--)
116  {
117  apply_rules();
118  commit(_m);
119  }
120 
121  return true;
122  }
123 
124 #ifdef NDEBUG
125  bool cleanup( MeshType& ) override
126 #else
127  bool cleanup( MeshType& _m ) override
128 #endif
129  {
130  assert( p_mesh_ == &_m );
131  p_mesh_=nullptr;
132  return true;
133  }
134 
135 protected:
136 
139  virtual void apply_rules(void) = 0;
140 
141 protected:
142 
145  void commit( MeshType &_m)
146  {
147  typename MeshType::VertexIter v_it;
148 
149  for (v_it=_m.vertices_begin(); v_it != _m.vertices_end(); ++v_it)
150  _m.set_point(*v_it, _m.data(*v_it).position());
151  }
152 
153 
154 public:
155 
157  struct Coeff
158  {
159  virtual ~Coeff() { }
160  virtual double operator() (size_t _valence) = 0;
161  };
162 
163 
164 protected:
165 
166  typedef typename MeshType::Scalar scalar_t;
167  typedef typename MeshType::VertexHandle VertexHandle;
168  typedef typename MeshType::FaceHandle FaceHandle;
169  typedef typename MeshType::EdgeHandle EdgeHandle;
170  typedef typename MeshType::HalfedgeHandle HalfedgeHandle;
171 
173 
174 
175 
176  void Tvv3();
177  void Tvv4();
178  void Tfv();
179 
180  void FF();
181  void FFc(Coeff& _coeff);
182  void FFc(scalar_t _c);
183 
184  void FV();
185  void FVc(Coeff& _coeff);
186  void FVc(scalar_t _c);
187 
188  void FE();
189 
190  void VF();
191  void VFa(Coeff& _coeff);
192  void VFa(scalar_t _alpha);
193 
194  void VV();
195  void VVc(Coeff& _coeff);
196  void VVc(scalar_t _c);
197 
198  void VE();
199 
200 
201  void VdE();
202  void VdEc(scalar_t _c);
203 
206  void VdEg(Coeff& _coeff);
209  void VdEg(scalar_t _gamma);
210 
211  void EF();
212 
213  void EV();
214  void EVc(Coeff& _coeff);
215  void EVc(scalar_t _c);
216 
217  void EdE();
218  void EdEc(scalar_t _c);
219 
220 
222 
223  void corner_cutting(HalfedgeHandle _heh);
224 
225  VertexHandle split_edge(HalfedgeHandle _heh);
226 
227 private:
228 
229  MeshType* p_mesh_;
230 
231 };
232 
233 
234 //=============================================================================
235 } // END_NS_UNIFORM
236 } // END_NS_SUBDIVIDER
237 } // END_NS_OPENMESH
238 //=============================================================================
239 #if defined(OM_INCLUDE_TEMPLATES) && !defined(OPENMESH_SUBDIVIDER_UNIFORM_COMPOSITE_CC)
240 #define OPENMESH_SUBDIVIDER_TEMPLATES
241 #include "CompositeT_impl.hh"
242 #endif
243 //=============================================================================
244 #endif // COMPOSITET_HH defined
245 //=============================================================================
246 
Abstract base class for coefficient functions.
Definition: CompositeT.hh:157
void commit(MeshType &_m)
Move vertices to new positions after the rules have been applied to the mesh (called by subdivide())...
Definition: CompositeT.hh:145
void VdE()
Vertex to edge averaging, using diamond of edges.
Definition: CompositeT_impl.hh:646
void EVc(Coeff &_coeff)
Weighted edge to vertex averaging.
Definition: CompositeT_impl.hh:861
This class provides the composite subdivision rules for the uniform case.
Definition: CompositeT.hh:89
void VdEg(Coeff &_coeff)
Weigthed vertex to edge averaging, using diamond of edges for irregular vertices. ...
Definition: CompositeT_impl.hh:773
void FVc(Coeff &_coeff)
Weighted face to vertex Averaging with flaps.
Definition: CompositeT_impl.hh:559
void FF()
Face to face averaging.
Definition: CompositeT_impl.hh:423
void FFc(Coeff &_coeff)
Weighted face to face averaging.
Definition: CompositeT_impl.hh:459
void Tfv()
Split Face, using Face Information.
Definition: CompositeT_impl.hh:211
void Tvv3()
Split Face, using Vertex information (1-3 split)
Definition: CompositeT_impl.hh:92
bool subdivide(MeshType &_m, size_t _n, const bool _update_points=true) override
Subdivide mesh _m _n times.
Definition: CompositeT.hh:111
bool cleanup(MeshType &_m) override
Cleanup mesh after usage, e.g. remove added properties.
Definition: CompositeT.hh:127
virtual const char * name(void) const override=0
Return name of subdivision algorithm.
void EdE()
Edge to edge averaging w/ flap rule.
Definition: CompositeT_impl.hh:1100
void VVc(Coeff &_coeff)
Vertex to vertex averaging, weighted.
Definition: CompositeT_impl.hh:1028
void VF()
Vertex to Face Averaging.
Definition: CompositeT_impl.hh:287
VertexHandle split_edge(HalfedgeHandle _heh)
Split Edge.
Definition: CompositeT_impl.hh:1233
void VE()
VE Step (Vertex to Edge Averaging)
Definition: CompositeT_impl.hh:976
void VdEc(scalar_t _c)
Weighted vertex to edge averaging, using diamond of edges.
Definition: CompositeT_impl.hh:682
void FV()
Face to vertex averaging.
Definition: CompositeT_impl.hh:534
void FE()
Face to edge averaging.
Definition: CompositeT_impl.hh:948
void Tvv4()
Split Face, using Vertex information (1-4 split)
Definition: CompositeT_impl.hh:156
virtual void apply_rules(void)=0
Assemble here the rule sequence, by calling the constructor of the wanted rules.
void VFa(Coeff &_coeff)
Vertex to Face Averaging, weighted.
Definition: CompositeT_impl.hh:311
void EdEc(scalar_t _c)
Weighted edge to edge averaging w/ flap rule.
Definition: CompositeT_impl.hh:1141
Abstract base class for uniform subdivision algorithms.
Definition: SubdividerT.hh:88
void EF()
Edge to face averaging.
Definition: CompositeT_impl.hh:924
void corner_cutting(HalfedgeHandle _heh)
Corner Cutting.
Definition: CompositeT_impl.hh:1184
bool prepare(MeshType &_m) override
Prepare mesh, e.g. add properties.
Definition: CompositeT_impl.hh:76
Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...
Definition: MeshItems.hh:59
void EV()
Edge to vertex averaging.
Definition: CompositeT_impl.hh:835
void VV()
Vertex to vertex averaging.
Definition: CompositeT_impl.hh:994

Project OpenMesh, ©  Computer Graphics Group, RWTH Aachen. Documentation generated using doxygen .