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

| OpenMesh

SmootherT.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 SmootherT
51 //
52 //=============================================================================
53
54 #ifndef OPENMESH_SMOOTHER_SMOOTHERT_HH
55 #define OPENMESH_SMOOTHER_SMOOTHERT_HH
56
57
58 //== INCLUDES =================================================================
59
60 #include <OpenMesh/Core/System/config.hh>
61 #include <OpenMesh/Core/Utils/Property.hh>
62 #include <OpenMesh/Core/Utils/Noncopyable.hh>
63
64 //== FORWARDDECLARATIONS ======================================================
65
66 //== NAMESPACES ===============================================================
67
68 namespace OpenMesh {
69 namespace Smoother {
70
71 //== CLASS DEFINITION =========================================================
72
75 template <class Mesh>
76 class SmootherT : private Utils::Noncopyable
77 {
78 public:
79
80 typedef typename Mesh::Scalar Scalar;
81 typedef typename Mesh::Point Point;
82 typedef typename Mesh::Normal NormalType;
83 typedef typename Mesh::VertexHandle VertexHandle;
84 typedef typename Mesh::EdgeHandle EdgeHandle;
85
86 // initialize smoother
87 enum Component {
88 Tangential,
89 Normal,
90 Tangential_and_Normal
91 };
92
93 enum Continuity {
94 C0,
95 C1,
96 C2
97 };
98
99 public:
100
105 SmootherT( Mesh& _mesh );
106 virtual ~SmootherT();
107
108
109 public:
110
111 //===========================================================================
114 //===========================================================================
115
120 void initialize(Component _comp, Continuity _cont);
121
123 virtual void smooth(unsigned int _n);
124
127 //===========================================================================
130 //===========================================================================
131
141 void set_relative_local_error(Scalar _err);
142
149 void set_absolute_local_error(Scalar _err);
150
155 void disable_local_error_check();
156
167 void skip_features( bool _state ){ skip_features_ = _state; };
168
169
172 private:
173
184 void set_active_vertices();
185
186 // single steps of smoothing
187 void compute_new_positions();
188 void project_to_tangent_plane();
189 void local_error_check();
190 void move_points();
191
192
193
194 protected:
195
196 // override these
197 virtual void compute_new_positions_C0() = 0;
198 virtual void compute_new_positions_C1() = 0;
199
200
201
202 protected:
203
204 // misc helpers
205
206 const Point& orig_position(VertexHandle _vh) const
207 { return mesh_.property(original_positions_, _vh); }
208
209 const NormalType& orig_normal(VertexHandle _vh) const
210 { return mesh_.property(original_normals_, _vh); }
211
212 const Point& new_position(VertexHandle _vh) const
213 { return mesh_.property(new_positions_, _vh); }
214
215 void set_new_position(VertexHandle _vh, const Point& _p)
216 { mesh_.property(new_positions_, _vh) = _p; }
217
218 bool is_active(VertexHandle _vh) const
219 { return mesh_.property(is_active_, _vh); }
220
221 Component component() const { return component_; }
222 Continuity continuity() const { return continuity_; }
223
224 protected:
225
226 Mesh& mesh_;
227 bool skip_features_;
228
229
230 private:
231
232 Scalar tolerance_;
233 Scalar normal_deviation_;
234 Component component_;
235 Continuity continuity_;
236
237 OpenMesh::VPropHandleT<Point> original_positions_;
238 OpenMesh::VPropHandleT<NormalType> original_normals_;
239 OpenMesh::VPropHandleT<Point> new_positions_;
240 OpenMesh::VPropHandleT<bool> is_active_;
241 };
242
243
244 //=============================================================================
245 } // namespace Smoother
246 } // namespace OpenMesh
247 //=============================================================================
248 #if defined(OM_INCLUDE_TEMPLATES) && !defined(OPENMESH_SMOOTHERT_C)
249 #define OPENMESH_SMOOTHERT_TEMPLATES
250 #include "SmootherT_impl.hh"
251 #endif
252 //=============================================================================
253 #endif // OPENMESH_SMOOTHER_SMOOTHERT_HH defined
254 //=============================================================================
255
SmootherT_impl.hh
OpenMesh
Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...
Definition: MeshItems.hh:59
OpenMesh::VertexHandle
Handle for a vertex entity.
Definition: Handles.hh:121
OpenMesh::PolyMesh_ArrayKernelT
Polygonal mesh based on the ArrayKernel.
Definition: PolyMesh_ArrayKernelT.hh:96
OpenMesh::PolyMeshT::VertexHandle
Kernel::VertexHandle VertexHandle
Handle for referencing the corresponding item.
Definition: PolyMeshT.hh:136
OpenMesh::PolyMeshT::EdgeHandle
Kernel::EdgeHandle EdgeHandle
Scalar type.
Definition: PolyMeshT.hh:138
OpenMesh::PolyMeshT::Normal
Kernel::Normal Normal
Normal type.
Definition: PolyMeshT.hh:114
OpenMesh::PolyMeshT::Point
Kernel::Point Point
Coordinate type.
Definition: PolyMeshT.hh:112
OpenMesh::Utils::Noncopyable
This class demonstrates the non copyable idiom.
Definition: Noncopyable.hh:72
OpenMesh::VPropHandleT< Point >
OpenMesh::Smoother::SmootherT
Base class for smoothing algorithms.
Definition: SmootherT.hh:77
OpenMesh::Smoother::SmootherT::smooth
virtual void smooth(unsigned int _n)
Do _n smoothing iterations.
Definition: SmootherT_impl.hh:302
OpenMesh::Smoother::SmootherT::Component
Component
Definition: SmootherT.hh:87
OpenMesh::Smoother::SmootherT::Tangential_and_Normal
@ Tangential_and_Normal
Smooth tangential and normal direction.
Definition: SmootherT.hh:90
OpenMesh::Smoother::SmootherT::Tangential
@ Tangential
Smooth tangential direction.
Definition: SmootherT.hh:88
OpenMesh::Smoother::SmootherT::Normal
@ Normal
Smooth normal direction.
Definition: SmootherT.hh:89
OpenMesh::Smoother::SmootherT::initialize
void initialize(Component _comp, Continuity _cont)
Initialize smoother.
Definition: SmootherT_impl.hh:122
OpenMesh::Smoother::SmootherT::set_absolute_local_error
void set_absolute_local_error(Scalar _err)
Set local error as an absolute value.
Definition: SmootherT_impl.hh:278
OpenMesh::Smoother::SmootherT::disable_local_error_check
void disable_local_error_check()
Disable error control of the smoother.
Definition: SmootherT_impl.hh:290
OpenMesh::Smoother::SmootherT::set_relative_local_error
void set_relative_local_error(Scalar _err)
Set local error relative to bounding box.
Definition: SmootherT_impl.hh:248
OpenMesh::Smoother::SmootherT::SmootherT
SmootherT(Mesh &_mesh)
constructor & destructor
Definition: SmootherT_impl.hh:73
OpenMesh::Smoother::SmootherT::skip_features
void skip_features(bool _state)
enable or disable feature handling
Definition: SmootherT.hh:167