OpenMesh: OpenMesh/Tools/Decimater/ModHausdorffT.hh Source File

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ModHausdorffT.hh
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42
46 //=============================================================================
47 //
48 // CLASS ModHausdorffT
49 //
50 //=============================================================================
51
52 #ifndef OPENMESH_DECIMATER_MODHAUSDORFFT_HH
53 #define OPENMESH_DECIMATER_MODHAUSDORFFT_HH
54
55 //== INCLUDES =================================================================
56
57 #include <OpenMesh/Tools/Decimater/ModBaseT.hh>
58 #include <OpenMesh/Core/Utils/Property.hh>
59 #include <vector>
60 #include <cfloat>
61
62 //== NAMESPACES ===============================================================
63
64 namespace OpenMesh {
65 namespace Decimater {
66
67 //== CLASS DEFINITION =========================================================
68
78 template<class MeshT>
79 class ModHausdorffT: public ModBaseT<MeshT> {
80 public:
81
82 DECIMATING_MODULE( ModHausdorffT, MeshT, Hausdorff );
83
84 typedef typename Mesh::Scalar Scalar;
85 typedef typename Mesh::Point Point;
86 typedef typename Mesh::FaceHandle FaceHandle;
87 typedef std::vector<Point> Points;
88
90 ModHausdorffT(MeshT& _mesh, Scalar _error_tolerance = FLT_MAX) :
91 Base(_mesh, true), mesh_(Base::mesh()), tolerance_(_error_tolerance) {
92 mesh_.add_property(points_);
93 }
94
96 ~ModHausdorffT() {
97 mesh_.remove_property(points_);
98 }
99
101 Scalar tolerance() const {
102 return tolerance_;
103 }
104
106 void set_tolerance(Scalar _e) {
107 tolerance_ = _e;
108 }
109
111 virtual void initialize() override;
112
123 virtual float collapse_priority(const CollapseInfo& _ci) override;
124
126 virtual void postprocess_collapse(const CollapseInfo& _ci) override;
127
129 void set_error_tolerance_factor(double _factor) override;
130
131 private:
132
134 Scalar distPointTriangleSquared(const Point& _p, const Point& _v0, const Point& _v1, const Point& _v2);
135
137 Scalar compute_sqr_error(FaceHandle _fh, const Point& _p) const;
138
139 private:
140
142 Points tmp_points_;
143
144 Mesh& mesh_;
145 Scalar tolerance_;
146
147 OpenMesh::FPropHandleT<Points> points_;
148 };
149
150 //=============================================================================
151 }// END_NS_DECIMATER
152 } // END_NS_OPENMESH
153 //=============================================================================
154 #if defined(OM_INCLUDE_TEMPLATES) && !defined(OPENMESH_DECIMATER_MODHAUSDORFFT_C)
155 #define OPENMESH_DECIMATER_MODHAUSDORFFT_TEMPLATES
156 #include "ModHausdorffT_impl.hh"
157 #endif
158 //=============================================================================
159 #endif // OPENMESH_DECIMATER_MODHAUSDORFFT_HH defined
160 //=============================================================================
161
ModBaseT.hh
Base class for all decimation modules.
DECIMATING_MODULE
#define DECIMATING_MODULE(Classname, MeshT, Name)
Convenience macro, to be used in derived modules The macro defines the types.
Definition: ModBaseT.hh:149
ModHausdorffT_impl.hh
OpenMesh
Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...
Definition: MeshItems.hh:59
OpenMesh::FaceHandle
Handle for a face entity.
Definition: Handles.hh:142
OpenMesh::PolyMesh_ArrayKernelT
Polygonal mesh based on the ArrayKernel.
Definition: PolyMesh_ArrayKernelT.hh:96
OpenMesh::PolyMeshT::Scalar
Kernel::Scalar Scalar
Scalar type.
Definition: PolyMeshT.hh:110
OpenMesh::FPropHandleT< Points >
OpenMesh::Decimater::ModBaseT
Base class for all decimation modules.
Definition: ModBaseT.hh:193
OpenMesh::Decimater::ModBaseT::mesh
MeshT & mesh()
Access the mesh associated with the decimater.
Definition: ModBaseT.hh:277
OpenMesh::Decimater::ModHausdorffT
Use Hausdorff distance to control decimation.
Definition: ModHausdorffT.hh:79
OpenMesh::Decimater::ModHausdorffT::ModHausdorffT
ModHausdorffT(MeshT &_mesh, Scalar _error_tolerance=FLT_MAX)
Constructor.
Definition: ModHausdorffT.hh:90
OpenMesh::Decimater::ModHausdorffT::collapse_priority
virtual float collapse_priority(const CollapseInfo &_ci) override
compute Hausdorff error for one-ring
Definition: ModHausdorffT_impl.hh:205
OpenMesh::Decimater::ModHausdorffT::set_tolerance
void set_tolerance(Scalar _e)
set max error tolerance
Definition: ModHausdorffT.hh:106
OpenMesh::Decimater::ModHausdorffT::postprocess_collapse
virtual void postprocess_collapse(const CollapseInfo &_ci) override
re-distribute points
Definition: ModHausdorffT_impl.hh:281
OpenMesh::Decimater::ModHausdorffT::initialize
virtual void initialize() override
reset per-face point lists
Definition: ModHausdorffT_impl.hh:190
OpenMesh::Decimater::ModHausdorffT::set_error_tolerance_factor
void set_error_tolerance_factor(double _factor) override
set the percentage of tolerance
Definition: ModHausdorffT_impl.hh:265
OpenMesh::Decimater::ModHausdorffT::tolerance
Scalar tolerance() const
get max error tolerance
Definition: ModHausdorffT.hh:101
OpenMesh::Decimater::ModHausdorffT::~ModHausdorffT
~ModHausdorffT()
Destructor.
Definition: ModHausdorffT.hh:96