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ModAspectRatioT.hh
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41 
45 //=============================================================================
46 //
47 // CLASS ModAspectRatioT
48 //
49 //=============================================================================
50 
51 #ifndef OPENMESH_DECIMATER_MODASPECTRATIOT_HH
52 #define OPENMESH_DECIMATER_MODASPECTRATIOT_HH
53 
54 //== INCLUDES =================================================================
55 
57 #include <OpenMesh/Core/Utils/Property.hh>
58 
59 //== NAMESPACES ===============================================================
60 
61 namespace OpenMesh {
62 namespace Decimater {
63 
64 //== CLASS DEFINITION =========================================================
65 
79 template<class MeshT>
80 class ModAspectRatioT: public ModBaseT<MeshT> {
81  public:
82 
83  DECIMATING_MODULE( ModAspectRatioT, MeshT, AspectRatio )
84  ;
85 
86  typedef typename Mesh::Scalar Scalar;
87  typedef typename Mesh::Point Point;
88 
90  ModAspectRatioT(MeshT& _mesh, float _min_aspect = 5.0, bool _is_binary =
91  true) :
92  Base(_mesh, _is_binary), mesh_(Base::mesh()), min_aspect_(
93  1.0 / _min_aspect) {
94  mesh_.add_property(aspect_);
95  }
96 
99  mesh_.remove_property(aspect_);
100  }
101 
103  float aspect_ratio() const {
104  return 1.0 / min_aspect_;
105  }
106 
108  void set_aspect_ratio(float _f) {
109  min_aspect_ = 1.0 / _f;
110  }
111 
113  void initialize();
114 
116  float collapse_priority(const CollapseInfo& _ci);
117 
119  void preprocess_collapse(const CollapseInfo& _ci);
120 
122  void set_error_tolerance_factor(double _factor);
123 
124  private:
125 
129  Scalar aspectRatio(const Point& _v0, const Point& _v1, const Point& _v2);
130 
131  private:
132 
133  Mesh& mesh_;
134  float min_aspect_;
135  FPropHandleT<float> aspect_;
136 };
137 
138 //=============================================================================
139 }// END_NS_DECIMATER
140 } // END_NS_OPENMESH
141 //=============================================================================
142 #if defined(OM_INCLUDE_TEMPLATES) && !defined(OPENMESH_DECIMATER_MODASPECTRATIOT_C)
143 #define OPENMESH_DECIMATER_MODASPECTRATIOT_TEMPLATES
144 #include "ModAspectRatioT.cc"
145 #endif
146 //=============================================================================
147 #endif // OPENMESH_DECIMATER_MODASPECTRATIOT_HH defined
148 //=============================================================================
149 
#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
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
void initialize()
precompute face aspect ratio
Definition: ModAspectRatioT.cc:95
Use aspect ratio to control decimation.
Definition: ModAspectRatioT.hh:80
void set_error_tolerance_factor(double _factor)
set percentage of aspect ratio
Definition: ModAspectRatioT.cc:182
void set_aspect_ratio(float _f)
set aspect ratio
Definition: ModAspectRatioT.hh:108
void preprocess_collapse(const CollapseInfo &_ci)
update aspect ratio of one-ring
Definition: ModAspectRatioT.cc:112
ModAspectRatioT(MeshT &_mesh, float _min_aspect=5.0, bool _is_binary=true)
constructor
Definition: ModAspectRatioT.hh:90
~ModAspectRatioT()
destructor
Definition: ModAspectRatioT.hh:98
float collapse_priority(const CollapseInfo &_ci)
Returns the collapse priority.
Definition: ModAspectRatioT.cc:132
float aspect_ratio() const
get aspect ratio
Definition: ModAspectRatioT.hh:103
Base class for all decimation modules.

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