OpenMesh: OpenMesh/Tools/Subdivider/Uniform/Composite/CompositeT.hh Source File

| OpenMesh

CompositeT.hh
Go to the documentation of this file.
1 /* ========================================================================= *
2 * *
3 * OpenMesh *
4 * Copyright (c) 2001-2022, 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 // --------------------
63 #include <OpenMesh/Tools/Subdivider/Uniform/SubdividerT.hh>
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;
95 typedef SubdividerT< mesh_t, real_t > parent_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
SubdividerT.hh
OpenMesh
Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...
Definition: MeshItems.hh:59
OpenMesh::Subdivider::Uniform::CompositeT
This class provides the composite subdivision rules for the uniform case.
Definition: CompositeT.hh:90
OpenMesh::Subdivider::Uniform::CompositeT::name
virtual const char * name(void) const override=0
Return name of subdivision algorithm.
OpenMesh::Subdivider::Uniform::CompositeT::corner_cutting
void corner_cutting(HalfedgeHandle _heh)
Corner Cutting.
Definition: CompositeT_impl.hh:1184
OpenMesh::Subdivider::Uniform::CompositeT::Tvv3
void Tvv3()
Split Face, using Vertex information (1-3 split)
Definition: CompositeT_impl.hh:92
OpenMesh::Subdivider::Uniform::CompositeT::cleanup
bool cleanup(MeshType &_m) override
Cleanup mesh after usage, e.g. remove added properties.
Definition: CompositeT.hh:127
OpenMesh::Subdivider::Uniform::CompositeT::EF
void EF()
Edge to face averaging.
Definition: CompositeT_impl.hh:924
OpenMesh::Subdivider::Uniform::CompositeT::VVc
void VVc(Coeff &_coeff)
Vertex to vertex averaging, weighted.
Definition: CompositeT_impl.hh:1028
OpenMesh::Subdivider::Uniform::CompositeT::VF
void VF()
Vertex to Face Averaging.
Definition: CompositeT_impl.hh:287
OpenMesh::Subdivider::Uniform::CompositeT::FV
void FV()
Face to vertex averaging.
Definition: CompositeT_impl.hh:534
OpenMesh::Subdivider::Uniform::CompositeT::VFa
void VFa(Coeff &_coeff)
Vertex to Face Averaging, weighted.
Definition: CompositeT_impl.hh:311
OpenMesh::Subdivider::Uniform::CompositeT::FVc
void FVc(Coeff &_coeff)
Weighted face to vertex Averaging with flaps.
Definition: CompositeT_impl.hh:559
OpenMesh::Subdivider::Uniform::CompositeT::prepare
bool prepare(MeshType &_m) override
Prepare mesh, e.g. add properties.
Definition: CompositeT_impl.hh:76
OpenMesh::Subdivider::Uniform::CompositeT::EVc
void EVc(Coeff &_coeff)
Weighted edge to vertex averaging.
Definition: CompositeT_impl.hh:861
OpenMesh::Subdivider::Uniform::CompositeT::VdEg
void VdEg(Coeff &_coeff)
Weigthed vertex to edge averaging, using diamond of edges for irregular vertices.
Definition: CompositeT_impl.hh:773
OpenMesh::Subdivider::Uniform::CompositeT::VdEc
void VdEc(scalar_t _c)
Weighted vertex to edge averaging, using diamond of edges.
Definition: CompositeT_impl.hh:682
OpenMesh::Subdivider::Uniform::CompositeT::FE
void FE()
Face to edge averaging.
Definition: CompositeT_impl.hh:948
OpenMesh::Subdivider::Uniform::CompositeT::apply_rules
virtual void apply_rules(void)=0
Assemble here the rule sequence, by calling the constructor of the wanted rules.
OpenMesh::Subdivider::Uniform::CompositeT::FF
void FF()
Face to face averaging.
Definition: CompositeT_impl.hh:423
OpenMesh::Subdivider::Uniform::CompositeT::EV
void EV()
Edge to vertex averaging.
Definition: CompositeT_impl.hh:835
OpenMesh::Subdivider::Uniform::CompositeT::commit
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
OpenMesh::Subdivider::Uniform::CompositeT::split_edge
VertexHandle split_edge(HalfedgeHandle _heh)
Split Edge.
Definition: CompositeT_impl.hh:1233
OpenMesh::Subdivider::Uniform::CompositeT::FFc
void FFc(Coeff &_coeff)
Weighted face to face averaging.
Definition: CompositeT_impl.hh:459
OpenMesh::Subdivider::Uniform::CompositeT::EdEc
void EdEc(scalar_t _c)
Weighted edge to edge averaging w/ flap rule.
Definition: CompositeT_impl.hh:1141
OpenMesh::Subdivider::Uniform::CompositeT::VE
void VE()
VE Step (Vertex to Edge Averaging)
Definition: CompositeT_impl.hh:976
OpenMesh::Subdivider::Uniform::CompositeT::Tvv4
void Tvv4()
Split Face, using Vertex information (1-4 split)
Definition: CompositeT_impl.hh:156
OpenMesh::Subdivider::Uniform::CompositeT::VdE
void VdE()
Vertex to edge averaging, using diamond of edges.
Definition: CompositeT_impl.hh:646
OpenMesh::Subdivider::Uniform::CompositeT::Tfv
void Tfv()
Split Face, using Face Information.
Definition: CompositeT_impl.hh:211
OpenMesh::Subdivider::Uniform::CompositeT::VV
void VV()
Vertex to vertex averaging.
Definition: CompositeT_impl.hh:994
OpenMesh::Subdivider::Uniform::CompositeT::EdE
void EdE()
Edge to edge averaging w/ flap rule.
Definition: CompositeT_impl.hh:1100
OpenMesh::Subdivider::Uniform::CompositeT::subdivide
bool subdivide(MeshType &_m, size_t _n, const bool _update_points=true) override
Subdivide mesh _m _n times.
Definition: CompositeT.hh:111
OpenMesh::Subdivider::Uniform::CompositeT::Coeff
Abstract base class for coefficient functions.
Definition: CompositeT.hh:158
OpenMesh::Subdivider::Uniform::SubdividerT
Abstract base class for uniform subdivision algorithms.
Definition: SubdividerT.hh:89