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ModHausdorffT.hh
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52 //=============================================================================
53 //
54 // CLASS ModHausdorffT
55 //
56 //=============================================================================
57
58 #ifndef OPENMESH_DECIMATER_MODHAUSDORFFT_HH
59 #define OPENMESH_DECIMATER_MODHAUSDORFFT_HH
60
61 //== INCLUDES =================================================================
62
63 #include <OpenMesh/Tools/Decimater/ModBaseT.hh>
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
102 ~ModHausdorffT() {
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
153 OpenMesh::FPropHandleT<Points> points_;
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
OpenMesh::Decimater::ModHausdorffT::compute_sqr_error
Scalar compute_sqr_error(FaceHandle _fh, const Point &_p) const
compute max error for face _fh w.r.t. its point list and _p
Definition: ModHausdorffT.cc:363
OpenMesh::Decimater::ModHausdorffT::ModHausdorffT
ModHausdorffT(MeshT &_mesh, Scalar _error_tolerance=FLT_MAX)
Constructor.
Definition: ModHausdorffT.hh:96
OpenMesh
Definition: MeshItems.hh:64
OpenMesh::Decimater::ModHausdorffT::tolerance
Scalar tolerance() const
get max error tolerance
Definition: ModHausdorffT.hh:107
OpenMesh::Decimater::ModHausdorffT::set_tolerance
void set_tolerance(Scalar _e)
set max error tolerance
Definition: ModHausdorffT.hh:112
OpenMesh::Decimater::ModHausdorffT::~ModHausdorffT
~ModHausdorffT()
Destructor.
Definition: ModHausdorffT.hh:102
OpenMesh::Decimater::ModHausdorffT::collapse_priority
virtual float collapse_priority(const CollapseInfo &_ci)
compute Hausdorff error for one-ring
Definition: ModHausdorffT.cc:211
OpenMesh::PolyMeshT::Point
Kernel::Point Point
Coordinate type.
Definition: PolyMeshT.hh:115
OpenMesh::Decimater::ModHausdorffT::tmp_points_
Points tmp_points_
Temporary point storage.
Definition: ModHausdorffT.hh:148
OpenMesh::Decimater::ModHausdorffT::initialize
virtual void initialize()
reset per-face point lists
Definition: ModHausdorffT.cc:196
OpenMesh::Decimater::ModBaseT
Definition: ModBaseT.hh:197
ModBaseT.hh
OpenMesh::Decimater::ModBaseT::mesh
MeshT & mesh()
Access the mesh associated with the decimater.
Definition: ModBaseT.hh:282
OpenMesh::Decimater::ModHausdorffT
Use Hausdorff distance to control decimation.
Definition: ModHausdorffT.hh:85
OpenMesh::Decimater::ModHausdorffT::postprocess_collapse
virtual void postprocess_collapse(const CollapseInfo &_ci)
re-distribute points
Definition: ModHausdorffT.cc:287
ModHausdorffT.cc
OpenMesh::PolyMeshT::Scalar
Kernel::Scalar Scalar
Scalar type.
Definition: PolyMeshT.hh:113
OpenMesh::Decimater::ModHausdorffT::set_error_tolerance_factor
void set_error_tolerance_factor(double _factor)
set the percentage of tolerance
Definition: ModHausdorffT.cc:271
OpenMesh::FPropHandleT< Points >
OpenMesh::Decimater::ModHausdorffT::distPointTriangleSquared
Scalar distPointTriangleSquared(const Point &_p, const Point &_v0, const Point &_v1, const Point &_v2)
squared distance from point _p to triangle (_v0, _v1, _v2)
Definition: ModHausdorffT.cc:77