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itkSymmetricEigenSystem.h

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00001 /*========================================================================= 00002 00003 Program: Insight Segmentation & Registration Toolkit 00004 Module: $RCSfile: itkSymmetricEigenSystem.h,v $ 00005 Language: C++ 00006 Date: $Date: 2003/09/10 14:29:39 $ 00007 Version: $Revision: 1.6 $ 00008 00009 Copyright (c) Insight Software Consortium. All rights reserved. 00010 See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details. 00011 00012 This software is distributed WITHOUT ANY WARRANTY; without even 00013 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 00014 PURPOSE. See the above copyright notices for more information. 00015 00016 =========================================================================*/ 00017 #ifndef __itkSymmetricEigenSystem_h 00018 #define __itkSymmetricEigenSystem_h 00019 00020 #include "itkObject.h" 00021 #include "vnl/algo/vnl_symmetric_eigensystem.h" 00022 #include "itkObjectFactory.h" 00023 #include "itkObject.h" 00024 #include "itkFixedArray.h" 00025 #include "itkMatrix.h" 00026 #include "itkObjectFactory.h" 00027 00028 namespace itk 00029 { 00030 00037 template< class TMatrixElement, int VNumberOfRows > 00038 class ITK_EXPORT SymmetricEigenSystem : public Object 00039 { 00040 public: 00042 typedef SymmetricEigenSystem Self; 00043 typedef Object Superclass; 00044 typedef SmartPointer<Self> Pointer; 00045 typedef SmartPointer<const Self> ConstPointer; 00046 00048 itkTypeMacro( SymmetricEigenSystem, Object ); 00049 00051 itkNewMacro(Self); 00052 00054 typedef FixedArray< TMatrixElement, VNumberOfRows > ArrayType; 00055 00057 typedef FixedArray< ArrayType, VNumberOfRows > Array2DType ; 00058 00060 typedef Array2DType EigenVectorArrayType ; 00061 00063 typedef ArrayType EigenValueArrayType ; 00064 00066 typedef Matrix< TMatrixElement, VNumberOfRows, VNumberOfRows > MatrixType ; 00067 00069 typedef vnl_symmetric_eigensystem< TMatrixElement > InternalEigenSystemType; 00070 00072 itkSetObjectMacro(Matrix, MatrixType) ; 00073 MatrixType* GetMatrix() 00074 { return m_Matrix ; } 00075 00082 itkSetMacro(UseAbsoluteOrder, bool) ; 00083 itkGetMacro(UseAbsoluteOrder, bool) ; 00084 00086 EigenVectorArrayType* GetEigenVectors() 00087 { return &m_EigenVectors ; } 00088 00090 EigenValueArrayType* GetEigenValues() 00091 { return &m_EigenValues ; } 00092 00095 void Update() 00096 { this->GenerateData() ; } 00097 00098 protected: 00099 SymmetricEigenSystem(); 00100 virtual ~SymmetricEigenSystem(); 00101 void PrintSelf(std::ostream& os, Indent indent) const; 00102 00104 void GenerateData() ; 00105 00106 private: 00107 SymmetricEigenSystem(const Self&); //purposely not implemented 00108 void operator=(const Self&); //purposely not implemented 00109 00111 MatrixType* m_Matrix ; 00112 00114 EigenVectorArrayType m_EigenVectors ; 00115 00117 EigenValueArrayType m_EigenValues ; 00118 00121 bool m_UseAbsoluteOrder ; 00122 }; 00123 00124 } // end namespace itk 00125 00126 #ifndef ITK_MANUAL_INSTANTIATION 00127 #include "itkSymmetricEigenSystem.txx" 00128 #endif 00129 00130 #endif 00131 00132 00133

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