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SmootherT.hh
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48 
53 //=============================================================================
54 //
55 // CLASS SmootherT
56 //
57 //=============================================================================
58 
59 #ifndef OPENMESH_SMOOTHER_SMOOTHERT_HH
60 #define OPENMESH_SMOOTHER_SMOOTHERT_HH
61 
62 
63 //== INCLUDES =================================================================
64 
65 #include <OpenMesh/Core/System/config.hh>
66 #include <OpenMesh/Core/Utils/Property.hh>
67 #include <OpenMesh/Core/Utils/Noncopyable.hh>
68 
69 //== FORWARDDECLARATIONS ======================================================
70 
71 //== NAMESPACES ===============================================================
72 
73 namespace OpenMesh {
74 namespace Smoother {
75 
76 //== CLASS DEFINITION =========================================================
77 
80 template <class Mesh>
82 {
83 public:
84 
85  typedef typename Mesh::Scalar Scalar;
86  typedef typename Mesh::Point Point;
87  typedef typename Mesh::Normal NormalType;
88  typedef typename Mesh::VertexHandle VertexHandle;
89  typedef typename Mesh::EdgeHandle EdgeHandle;
90 
91  // initialize smoother
92  enum Component {
96  };
97 
98  enum Continuity {
99  C0,
100  C1,
101  C2
102  };
103 
104 public:
105 
110  SmootherT( Mesh& _mesh );
111  virtual ~SmootherT();
112 
113 
114 public:
115 
116  //===========================================================================
119  //===========================================================================
120 
125  void initialize(Component _comp, Continuity _cont);
126 
128  virtual void smooth(unsigned int _n);
129 
132  //===========================================================================
135  //===========================================================================
136 
146  void set_relative_local_error(Scalar _err);
147 
154  void set_absolute_local_error(Scalar _err);
155 
161 
172  void skip_features( bool _state ){ skip_features_ = _state; };
173 
174 
177 private:
178 
189  void set_active_vertices();
190 
191  // single steps of smoothing
192  void compute_new_positions();
193  void project_to_tangent_plane();
194  void local_error_check();
195  void move_points();
196 
197 
198 
199 protected:
200 
201  // override these
202  virtual void compute_new_positions_C0() = 0;
203  virtual void compute_new_positions_C1() = 0;
204 
205 
206 
207 protected:
208 
209  // misc helpers
210 
211  const Point& orig_position(VertexHandle _vh) const
212  { return mesh_.property(original_positions_, _vh); }
213 
214  const NormalType& orig_normal(VertexHandle _vh) const
215  { return mesh_.property(original_normals_, _vh); }
216 
217  const Point& new_position(VertexHandle _vh) const
218  { return mesh_.property(new_positions_, _vh); }
219 
220  void set_new_position(VertexHandle _vh, const Point& _p)
221  { mesh_.property(new_positions_, _vh) = _p; }
222 
223  bool is_active(VertexHandle _vh) const
224  { return mesh_.property(is_active_, _vh); }
225 
226  Component component() const { return component_; }
227  Continuity continuity() const { return continuity_; }
228 
229 protected:
230 
231  Mesh& mesh_;
232  bool skip_features_;
233 
234 
235 private:
236 
237  Scalar tolerance_;
238  Scalar normal_deviation_;
239  Component component_;
240  Continuity continuity_;
241 
242  OpenMesh::VPropHandleT<Point> original_positions_;
243  OpenMesh::VPropHandleT<NormalType> original_normals_;
244  OpenMesh::VPropHandleT<Point> new_positions_;
245  OpenMesh::VPropHandleT<bool> is_active_;
246 };
247 
248 
249 //=============================================================================
250 } // namespace Smoother
251 } // namespace OpenMesh
252 //=============================================================================
253 #if defined(OM_INCLUDE_TEMPLATES) && !defined(OPENMESH_SMOOTHERT_C)
254 #define OPENMESH_SMOOTHERT_TEMPLATES
255 #include "SmootherT.cc"
256 #endif
257 //=============================================================================
258 #endif // OPENMESH_SMOOTHER_SMOOTHERT_HH defined
259 //=============================================================================
260 
Kernel::Normal Normal
Normal type.
Definition: PolyMeshT.hh:117
Component
Definition: SmootherT.hh:92
void set_relative_local_error(Scalar _err)
Set local error relative to bounding box.
Definition: SmootherT.cc:253
void initialize(Component _comp, Continuity _cont)
Initialize smoother.
Definition: SmootherT.cc:127
Smooth normal direction.
Definition: SmootherT.hh:94
Kernel::VertexHandle VertexHandle
Handle for referencing the corresponding item.
Definition: PolyMeshT.hh:139
void disable_local_error_check()
Disable error control of the smoother.
Definition: SmootherT.cc:295
virtual void smooth(unsigned int _n)
Do _n smoothing iterations.
Definition: SmootherT.cc:307
SmootherT(Mesh &_mesh)
constructor & destructor
Definition: SmootherT.cc:78
This class demonstrates the non copyable idiom.
Definition: Noncopyable.hh:76
Polygonal mesh based on the ArrayKernel.
Definition: PolyMesh_ArrayKernelT.hh:98
Base class for smoothing algorithms.
Definition: SmootherT.hh:81
Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...
Definition: MeshItems.hh:64
void skip_features(bool _state)
enable or disable feature handling
Definition: SmootherT.hh:172
void set_absolute_local_error(Scalar _err)
Set local error as an absolute value.
Definition: SmootherT.cc:283
Smooth tangential and normal direction.
Definition: SmootherT.hh:95
Smooth tangential direction.
Definition: SmootherT.hh:93

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