OpenMesh
ModHausdorffT.hh
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41 
45 //=============================================================================
46 //
47 // CLASS ModHausdorffT
48 //
49 //=============================================================================
50 
51 #ifndef OPENMESH_DECIMATER_MODHAUSDORFFT_HH
52 #define OPENMESH_DECIMATER_MODHAUSDORFFT_HH
53 
54 //== INCLUDES =================================================================
55 
57 #include <OpenMesh/Core/Utils/Property.hh>
58 #include <vector>
59 #include <cfloat>
60 
61 //== NAMESPACES ===============================================================
62 
63 namespace OpenMesh {
64 namespace Decimater {
65 
66 //== CLASS DEFINITION =========================================================
67 
77 template<class MeshT>
78 class ModHausdorffT: public ModBaseT<MeshT> {
79  public:
80 
81  DECIMATING_MODULE( ModHausdorffT, MeshT, Hausdorff );
82 
83  typedef typename Mesh::Scalar Scalar;
84  typedef typename Mesh::Point Point;
85  typedef typename Mesh::FaceHandle FaceHandle;
86  typedef std::vector<Point> Points;
87 
89  ModHausdorffT(MeshT& _mesh, Scalar _error_tolerance = FLT_MAX) :
90  Base(_mesh, true), mesh_(Base::mesh()), tolerance_(_error_tolerance) {
91  mesh_.add_property(points_);
92  }
93 
96  mesh_.remove_property(points_);
97  }
98 
100  Scalar tolerance() const {
101  return tolerance_;
102  }
103 
105  void set_tolerance(Scalar _e) {
106  tolerance_ = _e;
107  }
108 
110  virtual void initialize();
111 
122  virtual float collapse_priority(const CollapseInfo& _ci);
123 
125  virtual void postprocess_collapse(const CollapseInfo& _ci);
126 
128  void set_error_tolerance_factor(double _factor);
129 
130  private:
131 
133  Scalar distPointTriangleSquared(const Point& _p, const Point& _v0, const Point& _v1, const Point& _v2);
134 
136  Scalar compute_sqr_error(FaceHandle _fh, const Point& _p) const;
137 
138  private:
139 
141  Points tmp_points_;
142 
143  Mesh& mesh_;
144  Scalar tolerance_;
145 
147 };
148 
149 //=============================================================================
150 }// END_NS_DECIMATER
151 } // END_NS_OPENMESH
152 //=============================================================================
153 #if defined(OM_INCLUDE_TEMPLATES) && !defined(OPENMESH_DECIMATER_MODHAUSDORFFT_C)
154 #define OPENMESH_DECIMATER_MODHAUSDORFFT_TEMPLATES
155 #include "ModHausdorffT.cc"
156 #endif
157 //=============================================================================
158 #endif // OPENMESH_DECIMATER_MODHAUSDORFFT_HH defined
159 //=============================================================================
160 
virtual float collapse_priority(const CollapseInfo &_ci)
compute Hausdorff error for one-ring
Definition: ModHausdorffT.cc:204
#define DECIMATING_MODULE(Classname, MeshT, Name)
Convenience macro, to be used in derived modules The macro defines the types.
Definition: ModBaseT.hh:147
Base class for all decimation modules.
Definition: ModBaseT.hh:190
virtual void initialize()
reset per-face point lists
Definition: ModHausdorffT.cc:189
Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...
Definition: MeshItems.hh:56
MeshT & mesh()
Access the mesh associated with the decimater.
Definition: ModBaseT.hh:275
Scalar tolerance() const
get max error tolerance
Definition: ModHausdorffT.hh:100
virtual void postprocess_collapse(const CollapseInfo &_ci)
re-distribute points
Definition: ModHausdorffT.cc:280
ModHausdorffT(MeshT &_mesh, Scalar _error_tolerance=FLT_MAX)
Constructor.
Definition: ModHausdorffT.hh:89
void set_error_tolerance_factor(double _factor)
set the percentage of tolerance
Definition: ModHausdorffT.cc:264
~ModHausdorffT()
Destructor.
Definition: ModHausdorffT.hh:95
Base class for all decimation modules.
Use Hausdorff distance to control decimation.
Definition: ModHausdorffT.hh:78
void set_tolerance(Scalar _e)
set max error tolerance
Definition: ModHausdorffT.hh:105

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