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ModAspectRatioT.hh
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41 
42 
46 //=============================================================================
47 //
48 // CLASS ModAspectRatioT
49 //
50 //=============================================================================
51 
52 #ifndef OPENMESH_DECIMATER_MODASPECTRATIOT_HH
53 #define OPENMESH_DECIMATER_MODASPECTRATIOT_HH
54 
55 //== INCLUDES =================================================================
56 
58 #include <OpenMesh/Core/Utils/Property.hh>
59 
60 //== NAMESPACES ===============================================================
61 
62 namespace OpenMesh {
63 namespace Decimater {
64 
65 //== CLASS DEFINITION =========================================================
66 
80 template<class MeshT>
81 class ModAspectRatioT: public ModBaseT<MeshT> {
82  public:
83 
84  DECIMATING_MODULE( ModAspectRatioT, MeshT, AspectRatio )
85  ;
86 
87  typedef typename Mesh::Scalar Scalar;
88  typedef typename Mesh::Point Point;
89 
91  ModAspectRatioT(MeshT& _mesh, float _min_aspect = 5.0, bool _is_binary =
92  true) :
93  Base(_mesh, _is_binary), mesh_(Base::mesh()), min_aspect_(
94  1.f / _min_aspect) {
95  mesh_.add_property(aspect_);
96  }
97 
100  mesh_.remove_property(aspect_);
101  }
102 
104  float aspect_ratio() const {
105  return 1.f / min_aspect_;
106  }
107 
109  void set_aspect_ratio(float _f) {
110  min_aspect_ = 1.f / _f;
111  }
112 
114  void initialize() override;
115 
117  float collapse_priority(const CollapseInfo& _ci) override;
118 
120  void preprocess_collapse(const CollapseInfo& _ci) override;
121 
123  void set_error_tolerance_factor(double _factor) override;
124 
125  private:
126 
130  Scalar aspectRatio(const Point& _v0, const Point& _v1, const Point& _v2);
131 
132  private:
133 
134  Mesh& mesh_;
135  float min_aspect_;
136  FPropHandleT<float> aspect_;
137 };
138 
139 //=============================================================================
140 }// END_NS_DECIMATER
141 } // END_NS_OPENMESH
142 //=============================================================================
143 #if defined(OM_INCLUDE_TEMPLATES) && !defined(OPENMESH_DECIMATER_MODASPECTRATIOT_C)
144 #define OPENMESH_DECIMATER_MODASPECTRATIOT_TEMPLATES
145 #include "ModAspectRatioT_impl.hh"
146 #endif
147 //=============================================================================
148 #endif // OPENMESH_DECIMATER_MODASPECTRATIOT_HH defined
149 //=============================================================================
150 
void set_aspect_ratio(float _f)
set aspect ratio
Kernel::Point Point
Coordinate type.
Definition: PolyMeshT.hh:112
void preprocess_collapse(const CollapseInfo &_ci) override
update aspect ratio of one-ring
void set_error_tolerance_factor(double _factor) override
set percentage of aspect ratio
Scalar aspectRatio(const Point &_v0, const Point &_v1, const Point &_v2)
return aspect ratio (length/height) of triangle
float aspect_ratio() const
get aspect ratio
ModAspectRatioT(MeshT &_mesh, float _min_aspect=5.0, bool _is_binary=true)
constructor
void initialize() override
precompute face aspect ratio
float collapse_priority(const CollapseInfo &_ci) override
Returns the collapse priority.
Kernel::Scalar Scalar
Scalar type.
Definition: PolyMeshT.hh:110
#define DECIMATING_MODULE(Classname, MeshT, Name)
Definition: ModBaseT.hh:149
MeshT & mesh()
Access the mesh associated with the decimater.
Definition: ModBaseT.hh:277
Use aspect ratio to control decimation.