ITK  4.2.0
Insight Segmentation and Registration Toolkit
itkSymmetricEigenSystem.h
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18 #ifndef __itkSymmetricEigenSystem_h
19 #define __itkSymmetricEigenSystem_h
20 
21 #include "itkObject.h"
22 #include "vnl/algo/vnl_symmetric_eigensystem.h"
23 #include "itkObjectFactory.h"
24 #include "itkObject.h"
25 #include "itkFixedArray.h"
26 #include "itkMatrix.h"
27 #include "itkObjectFactory.h"
28 
29 namespace itk
30 {
46 template< class TMatrixElement, int VNumberOfRows >
47 class ITK_EXPORT SymmetricEigenSystem:public Object
48 {
49 public:
52  typedef Object Superclass;
55 
57  itkTypeMacro(SymmetricEigenSystem, Object);
58 
60  itkNewMacro(Self);
61 
64 
67 
70 
73 
76 
78  typedef vnl_symmetric_eigensystem< TMatrixElement > InternalEigenSystemType;
79 
81  itkSetObjectMacro(Matrix, MatrixType);
82  MatrixType * GetMatrix()
83  { return m_Matrix; }
85 
92  itkSetMacro(UseAbsoluteOrder, bool);
93  itkGetMacro(UseAbsoluteOrder, bool);
95 
97  EigenVectorArrayType * GetEigenVectors()
98  { return &m_EigenVectors; }
99 
101  EigenValueArrayType * GetEigenValues()
102  { return &m_EigenValues; }
103 
106  void Update()
107  { this->GenerateData(); }
108 protected:
110  virtual ~SymmetricEigenSystem();
111  void PrintSelf(std::ostream & os, Indent indent) const;
113 
115  void GenerateData();
116 
117 private:
118  SymmetricEigenSystem(const Self &); //purposely not implemented
119  void operator=(const Self &); //purposely not implemented
120 
123 
126 
129 
133 };
134 } // end namespace itk
135 
136 #ifndef ITK_MANUAL_INSTANTIATION
137 #include "itkSymmetricEigenSystem.hxx"
138 #endif
139 
140 #endif
141