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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
64#include <OpenMesh/Core/Utils/Property.hh>
65#include <vector>
66#include <cfloat>
67
68//== NAMESPACES ===============================================================
69
70namespace OpenMesh {
71namespace Decimater {
72
73//== CLASS DEFINITION =========================================================
74
84template<class MeshT>
85class 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
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
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
Base class for all decimation modules.
#define DECIMATING_MODULE(Classname, MeshT, Name)
Convenience macro, to be used in derived modules The macro defines the types.
Definition ModBaseT.hh:154
Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...
Definition MeshItems.hh:64
Handle for a face entity.
Definition Handles.hh:147
Polygonal mesh based on the ArrayKernel.
Definition PolyMesh_ArrayKernelT.hh:100
Kernel::Point Point
Coordinate type.
Definition PolyMeshT.hh:115
Kernel::FaceHandle FaceHandle
Scalar type.
Definition PolyMeshT.hh:142
Kernel::Scalar Scalar
Scalar type.
Definition PolyMeshT.hh:113
Handle representing a face property.
Definition Property.hh:530
Base class for all decimation modules.
Definition ModBaseT.hh:198
MeshT & mesh()
Access the mesh associated with the decimater.
Definition ModBaseT.hh:282
Use Hausdorff distance to control decimation.
Definition ModHausdorffT.hh:85
ModHausdorffT(MeshT &_mesh, Scalar _error_tolerance=FLT_MAX)
Constructor.
Definition ModHausdorffT.hh:96
void set_tolerance(Scalar _e)
set max error tolerance
Definition ModHausdorffT.hh:112
Scalar tolerance() const
get max error tolerance
Definition ModHausdorffT.hh:107
~ModHausdorffT()
Destructor.
Definition ModHausdorffT.hh:102

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