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ModHausdorffT.hh
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37 * $Revision: 990 $ *
38 * $Date: 2014-02-05 10:01:07 +0100 (Mi, 05. Feb 2014) $ *
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40 \*===========================================================================*/
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
56 #include <OpenMesh/Tools/Decimater/ModBaseT.hh>
57 #include <OpenMesh/Core/Utils/Property.hh>
58 #include <vector>
59 #include <cfloat>
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
95 ~ModHausdorffT() {
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
141 Points tmp_points_;
142
143 Mesh& mesh_;
144 Scalar tolerance_;
145
146 OpenMesh::FPropHandleT<Points> points_;
147 };
148
149 //=============================================================================
150 }// END_NS_DECIMATER
151 } // END_NS_OPENMESH
152 //=============================================================================
153 #if defined(OM_INCLUDE_TEMPLATES) && !defined(OPENMESH_DECIMATER_MODHAUSDORFFT_C)
154 #define OPENMESH_DECIMATER_MODHAUSDORFFT_TEMPLATES
155 #include "ModHausdorffT.cc"
156 #endif
157 //=============================================================================
158 #endif // OPENMESH_DECIMATER_MODHAUSDORFFT_HH defined
159 //=============================================================================
160
OpenMesh::Decimater::ModBaseT::mesh
MeshT & mesh()
Access the mesh associated with the decimater.
Definition: ModBaseT.hh:275
ModBaseT.hh
Base class for all decimation modules.
OpenMesh::Decimater::ModHausdorffT::set_tolerance
void set_tolerance(Scalar _e)
set max error tolerance
Definition: ModHausdorffT.hh:105
ModHausdorffT.cc
OpenMesh::Decimater::ModHausdorffT::initialize
virtual void initialize()
reset per-face point lists
Definition: ModHausdorffT.cc:189
OpenMesh::FPropHandleT< Points >
OpenMesh::Decimater::ModBaseT
Base class for all decimation modules.
Definition: ModBaseT.hh:190
OpenMesh::FaceHandle
Handle for a face entity.
Definition: Handles.hh:135
OpenMesh::Decimater::ModHausdorffT::set_error_tolerance_factor
void set_error_tolerance_factor(double _factor)
set the percentage of tolerance
Definition: ModHausdorffT.cc:264
OpenMesh::Decimater::ModHausdorffT::~ModHausdorffT
~ModHausdorffT()
Destructor.
Definition: ModHausdorffT.hh:95
OpenMesh::Decimater::ModHausdorffT::collapse_priority
virtual float collapse_priority(const CollapseInfo &_ci)
compute Hausdorff error for one-ring
Definition: ModHausdorffT.cc:204
DECIMATING_MODULE
#define DECIMATING_MODULE(Classname, MeshT, Name)
Convenience macro, to be used in derived modules The macro defines the types.
Definition: ModBaseT.hh:147
OpenMesh::Decimater::ModHausdorffT::tolerance
Scalar tolerance() const
get max error tolerance
Definition: ModHausdorffT.hh:100
OpenMesh::Decimater::ModHausdorffT::postprocess_collapse
virtual void postprocess_collapse(const CollapseInfo &_ci)
re-distribute points
Definition: ModHausdorffT.cc:280
OpenMesh::Decimater::ModHausdorffT
Use Hausdorff distance to control decimation.
Definition: ModHausdorffT.hh:78
OpenMesh::Decimater::ModHausdorffT::ModHausdorffT
ModHausdorffT(MeshT &_mesh, Scalar _error_tolerance=FLT_MAX)
Constructor.
Definition: ModHausdorffT.hh:89