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ModHausdorffT.hh
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48 
52 //=============================================================================
53 //
54 // CLASS ModHausdorffT
55 //
56 //=============================================================================
57 
58 #ifndef OPENMESH_DECIMATER_MODHAUSDORFFT_HH
59 #define OPENMESH_DECIMATER_MODHAUSDORFFT_HH
60 
61 //== INCLUDES =================================================================
62 
64 #include <OpenMesh/Core/Utils/Property.hh>
65 #include <vector>
66 #include <cfloat>
67 
68 //== NAMESPACES ===============================================================
69 
70 namespace OpenMesh {
71 namespace Decimater {
72 
73 //== CLASS DEFINITION =========================================================
74 
84 template<class MeshT>
85 class ModHausdorffT: public ModBaseT<MeshT> {
86  public:
87 
88  DECIMATING_MODULE( ModHausdorffT, MeshT, Hausdorff );
89 
90  typedef typename Mesh::Scalar Scalar;
91  typedef typename Mesh::Point Point;
92  typedef typename Mesh::FaceHandle FaceHandle;
93  typedef std::vector<Point> Points;
94 
96  ModHausdorffT(MeshT& _mesh, Scalar _error_tolerance = FLT_MAX) :
97  Base(_mesh, true), mesh_(Base::mesh()), tolerance_(_error_tolerance) {
98  mesh_.add_property(points_);
99  }
100 
103  mesh_.remove_property(points_);
104  }
105 
107  Scalar tolerance() const {
108  return tolerance_;
109  }
110 
112  void set_tolerance(Scalar _e) {
113  tolerance_ = _e;
114  }
115 
117  virtual void initialize();
118 
129  virtual float collapse_priority(const CollapseInfo& _ci);
130 
132  virtual void postprocess_collapse(const CollapseInfo& _ci);
133 
135  void set_error_tolerance_factor(double _factor);
136 
137  private:
138 
140  Scalar distPointTriangleSquared(const Point& _p, const Point& _v0, const Point& _v1, const Point& _v2);
141 
143  Scalar compute_sqr_error(FaceHandle _fh, const Point& _p) const;
144 
145  private:
146 
148  Points tmp_points_;
149 
150  Mesh& mesh_;
151  Scalar tolerance_;
152 
154 };
155 
156 //=============================================================================
157 }// END_NS_DECIMATER
158 } // END_NS_OPENMESH
159 //=============================================================================
160 #if defined(OM_INCLUDE_TEMPLATES) && !defined(OPENMESH_DECIMATER_MODHAUSDORFFT_C)
161 #define OPENMESH_DECIMATER_MODHAUSDORFFT_TEMPLATES
162 #include "ModHausdorffT.cc"
163 #endif
164 //=============================================================================
165 #endif // OPENMESH_DECIMATER_MODHAUSDORFFT_HH defined
166 //=============================================================================
167 
virtual void postprocess_collapse(const CollapseInfo &_ci)
re-distribute points
Definition: ModHausdorffT.cc:287
Use Hausdorff distance to control decimation.
Definition: ModHausdorffT.hh:85
ModHausdorffT(MeshT &_mesh, Scalar _error_tolerance=FLT_MAX)
Constructor.
Definition: ModHausdorffT.hh:96
void set_tolerance(Scalar _e)
set max error tolerance
Definition: ModHausdorffT.hh:112
void set_error_tolerance_factor(double _factor)
set the percentage of tolerance
Definition: ModHausdorffT.cc:271
#define DECIMATING_MODULE(Classname, MeshT, Name)
Convenience macro, to be used in derived modules The macro defines the types.
Definition: ModBaseT.hh:154
~ModHausdorffT()
Destructor.
Definition: ModHausdorffT.hh:102
virtual float collapse_priority(const CollapseInfo &_ci)
compute Hausdorff error for one-ring
Definition: ModHausdorffT.cc:211
Scalar tolerance() const
get max error tolerance
Definition: ModHausdorffT.hh:107
Base class for all decimation modules.
MeshT & mesh()
Access the mesh associated with the decimater.
Definition: ModBaseT.hh:282
Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...
Definition: MeshItems.hh:64
virtual void initialize()
reset per-face point lists
Definition: ModHausdorffT.cc:196
Base class for all decimation modules.
Definition: ModBaseT.hh:197

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