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ModHausdorffT.hh
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38  * $Date: 2012-10-08 09:33:20 +0200 (Mo, 08 Okt 2012) $ *
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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 <float.h>
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, Roundness );
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 
140  Mesh& mesh_;
141  Scalar tolerance_;
142 
144 };
145 
146 //=============================================================================
147 }// END_NS_DECIMATER
148 } // END_NS_OPENMESH
149 //=============================================================================
150 #if defined(OM_INCLUDE_TEMPLATES) && !defined(OPENMESH_DECIMATER_MODHAUSDORFFT_C)
151 #define OPENMESH_DECIMATER_MODHAUSDORFFT_TEMPLATES
152 #include "ModHausdorffT.cc"
153 #endif
154 //=============================================================================
155 #endif // OPENMESH_DECIMATER_MODHAUSDORFFT_HH defined
156 //=============================================================================
157 

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