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itkDiffusionTensor3D.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkDiffusionTensor3D.h,v $
00005   Language:  C++
00006   Date:      $Date: 2010-04-09 21:20:50 $
00007   Version:   $Revision: 1.14 $
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 __itkDiffusionTensor3D_h
00018 #define __itkDiffusionTensor3D_h
00019 
00020 // Undefine an eventual DiffusionTensor3D macro
00021 #ifdef DiffusionTensor3D
00022 #undef DiffusionTensor3D
00023 #endif
00024 
00025 #include "itkSymmetricSecondRankTensor.h"
00026 
00027 
00028 namespace itk
00029 {
00030 
00078 template < typename TComponent >
00079 class DiffusionTensor3D: public SymmetricSecondRankTensor<TComponent,3>
00080 {
00081 public:
00083   typedef DiffusionTensor3D                           Self;
00084   typedef SymmetricSecondRankTensor<TComponent, 3>    Superclass;
00085 
00087   typedef typename Superclass::ValueType             ValueType;
00088   typedef typename Superclass::ComponentType         ComponentType;
00089 #if defined(__GNUC__) && !defined(__INTEL_COMPILER) && (__GNUC__ == 3)
00090   typedef ComponentType ComponentArrayType[6];
00091 #else
00092   typedef typename Superclass::ComponentArrayType    ComponentArrayType;
00093 #endif
00094   typedef typename Superclass::AccumulateValueType   AccumulateValueType;
00095   typedef typename Superclass::RealValueType         RealValueType;
00096 
00097   typedef typename Superclass::EigenValuesArrayType    EigenValuesArrayType;
00098   typedef typename Superclass::EigenVectorsMatrixType  EigenVectorsMatrixType;
00099 
00101   DiffusionTensor3D();
00102 
00104   DiffusionTensor3D(const Superclass& r);
00105   DiffusionTensor3D(const ComponentType& r);
00106   DiffusionTensor3D(const ComponentArrayType r);
00108 
00110   template < typename TCoordRepB >
00111   DiffusionTensor3D( const DiffusionTensor3D<TCoordRepB> & pa )
00112     :SymmetricSecondRankTensor<TComponent,3>(pa) { }
00113 
00115   Self& operator= (const Superclass & r);
00116   Self& operator= (const ComponentType& r);
00117   Self& operator= (const ComponentArrayType r);
00119 
00121   template < typename TCoordRepB >
00122   Self& operator= ( const DiffusionTensor3D<TCoordRepB> & pa )
00123   {
00124     SymmetricSecondRankTensor<TComponent,3>::operator=(pa);
00125     return *this;
00126   }
00128 
00130   AccumulateValueType GetTrace() const;
00131 
00133   RealValueType GetFractionalAnisotropy() const;
00134 
00136   RealValueType GetRelativeAnisotropy() const;
00137 
00139   RealValueType GetInnerScalarProduct() const;
00140 
00141 };
00142 
00143 } // end namespace itk
00144 #include "itkNumericTraitsDiffusionTensor3DPixel.h"
00145 
00146 // Define instantiation macro for this template.
00147 #define ITK_TEMPLATE_DiffusionTensor3D(_, EXPORT, x, y) namespace itk { \
00148   _(1(class EXPORT DiffusionTensor3D< ITK_TEMPLATE_1 x >)) \
00149   namespace Templates { typedef DiffusionTensor3D< ITK_TEMPLATE_1 x > \
00150                                             DiffusionTensor3D##y; } \
00151   }
00152 
00153 #if ITK_TEMPLATE_EXPLICIT
00154 # include "Templates/itkDiffusionTensor3D+-.h"
00155 #endif
00156 
00157 #if ITK_TEMPLATE_TXX
00158 # include "itkDiffusionTensor3D.txx"
00159 #endif
00160 
00161 #endif
00162 

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