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SmootherT.hh
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41 
46 //=============================================================================
47 //
48 // CLASS SmootherT
49 //
50 //=============================================================================
51 
52 #ifndef OPENMESH_SMOOTHER_SMOOTHERT_HH
53 #define OPENMESH_SMOOTHER_SMOOTHERT_HH
54 
55 
56 //== INCLUDES =================================================================
57 
58 #include <OpenMesh/Core/System/config.hh>
59 #include <OpenMesh/Core/Utils/Property.hh>
60 #include <OpenMesh/Core/Utils/Noncopyable.hh>
61 
62 //== FORWARDDECLARATIONS ======================================================
63 
64 //== NAMESPACES ===============================================================
65 
66 namespace OpenMesh {
67 namespace Smoother {
68 
69 //== CLASS DEFINITION =========================================================
70 
73 template <class Mesh>
75 {
76 public:
77 
78  typedef typename Mesh::Scalar Scalar;
79  typedef typename Mesh::Point Point;
80  typedef typename Mesh::Normal NormalType;
81  typedef typename Mesh::VertexHandle VertexHandle;
82  typedef typename Mesh::EdgeHandle EdgeHandle;
83 
84  // initialize smoother
85  enum Component {
89  };
90 
91  enum Continuity {
92  C0,
93  C1,
94  C2
95  };
96 
97 public:
98 
103  SmootherT( Mesh& _mesh );
104  virtual ~SmootherT();
105 
106 
107 public:
108 
113  void initialize(Component _comp, Continuity _cont);
114 
115 
117  void set_relative_local_error(Scalar _err);
119  void set_absolute_local_error(Scalar _err);
122 
128  void skip_features( bool _state ){ skip_features_ = _state; };
129 
131  virtual void smooth(unsigned int _n);
132 
133 
134 
136  void set_active_vertices();
137 
138 
139 private:
140 
141  // single steps of smoothing
142  void compute_new_positions();
143  void project_to_tangent_plane();
144  void local_error_check();
145  void move_points();
146 
147 
148 
149 protected:
150 
151  // override these
152  virtual void compute_new_positions_C0() = 0;
153  virtual void compute_new_positions_C1() = 0;
154 
155 
156 
157 protected:
158 
159  // misc helpers
160 
161  const Point& orig_position(VertexHandle _vh) const
162  { return mesh_.property(original_positions_, _vh); }
163 
164  const NormalType& orig_normal(VertexHandle _vh) const
165  { return mesh_.property(original_normals_, _vh); }
166 
167  const Point& new_position(VertexHandle _vh) const
168  { return mesh_.property(new_positions_, _vh); }
169 
170  void set_new_position(VertexHandle _vh, const Point& _p)
171  { mesh_.property(new_positions_, _vh) = _p; }
172 
173  bool is_active(VertexHandle _vh) const
174  { return mesh_.property(is_active_, _vh); }
175 
176  Component component() const { return component_; }
177  Continuity continuity() const { return continuity_; }
178 
179 protected:
180 
181  Mesh& mesh_;
182  bool skip_features_;
183 
184 
185 private:
186 
187  Scalar tolerance_;
188  Scalar normal_deviation_;
189  Component component_;
190  Continuity continuity_;
191 
192  OpenMesh::VPropHandleT<Point> original_positions_;
193  OpenMesh::VPropHandleT<NormalType> original_normals_;
194  OpenMesh::VPropHandleT<Point> new_positions_;
195  OpenMesh::VPropHandleT<bool> is_active_;
196 };
197 
198 
199 //=============================================================================
200 } // namespace Smoother
201 } // namespace OpenMesh
202 //=============================================================================
203 #if defined(OM_INCLUDE_TEMPLATES) && !defined(OPENMESH_SMOOTHERT_C)
204 #define OPENMESH_SMOOTHERT_TEMPLATES
205 #include "SmootherT.cc"
206 #endif
207 //=============================================================================
208 #endif // OPENMESH_SMOOTHER_SMOOTHERT_HH defined
209 //=============================================================================
210 
void set_active_vertices()
Find active vertices. Resets tagged status !
Definition: SmootherT.cc:150
void set_absolute_local_error(Scalar _err)
Set local error.
Definition: SmootherT.cc:276
This class demonstrates the non copyable idiom.
Definition: Noncopyable.hh:69
void set_relative_local_error(Scalar _err)
Set local error.
Definition: SmootherT.cc:246
Kernel::Normal Normal
Normal type.
Definition: PolyMeshT.hh:110
void initialize(Component _comp, Continuity _cont)
Initialize smoother.
Definition: SmootherT.cc:120
virtual void smooth(unsigned int _n)
Do _n smoothing iterations.
Definition: SmootherT.cc:300
Kernel::VertexHandle VertexHandle
Handle for referencing the corresponding item.
Definition: PolyMeshT.hh:132
Smooth tangential direction.
Definition: SmootherT.hh:86
Smooth tangential and normal direction.
Definition: SmootherT.hh:88
void disable_local_error_check()
Set local error.
Definition: SmootherT.cc:288
SmootherT(Mesh &_mesh)
constructor & destructor
Definition: SmootherT.cc:71
Base class for smoothing algorithms.
Definition: SmootherT.hh:74
Smooth normal direction.
Definition: SmootherT.hh:87
void skip_features(bool _state)
enable or disable feature handling
Definition: SmootherT.hh:128
Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...
Definition: MeshItems.hh:56
Component
Definition: SmootherT.hh:85
Polygonal mesh based on the ArrayKernel.
Definition: PolyMesh_ArrayKernelT.hh:91

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