ITK  4.2.0
Insight Segmentation and Registration Toolkit
itkTensorFractionalAnisotropyImageFilter.h
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3  * Copyright Insight Software Consortium
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5  * Licensed under the Apache License, Version 2.0 (the "License");
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18 #ifndef __itkTensorFractionalAnisotropyImageFilter_h
19 #define __itkTensorFractionalAnisotropyImageFilter_h
20 
22 #include "itkImage.h"
23 
24 namespace itk
25 {
26 // This functor class invokes the computation of fractional anisotropy from
27 // every pixel.
28 namespace Functor
29 {
30 template< typename TInput >
32 {
33 public:
34  typedef typename TInput::RealValueType RealValueType;
38  {
39  return false;
40  }
41 
43  {
44  return !( *this != other );
45  }
46 
47  inline RealValueType operator()(const TInput & x) const
48  {
49  return x.GetFractionalAnisotropy();
50  }
51 };
52 } // end namespace functor
53 
69 template< typename TInputImage,
70  typename TOutputImage = Image<
72  TInputImage::Dimension > >
74  public
75  UnaryFunctorImageFilter< TInputImage, TOutputImage,
76  Functor::TensorFractionalAnisotropyFunction<
77  typename TInputImage::PixelType > >
78 {
79 public:
83  TInputImage, TOutputImage,
85  typename TInputImage::PixelType > > Superclass;
86 
89 
90  typedef typename Superclass::OutputImageType OutputImageType;
91  typedef typename TOutputImage::PixelType OutputPixelType;
92  typedef typename TInputImage::PixelType InputPixelType;
93  typedef typename InputPixelType::ValueType InputValueType;
94 
97 
99  itkNewMacro(Self);
100 
102  void PrintSelf(std::ostream & os, Indent indent) const
103  { this->Superclass::PrintSelf(os, indent); }
104 
105 #ifdef ITK_USE_CONCEPT_CHECKING
106 
107  itkConceptMacro( InputHasNumericTraitsCheck,
109 
111 #endif
112 protected:
115 private:
116  TensorFractionalAnisotropyImageFilter(const Self &); //purposely not
117  // implemented
118  void operator=(const Self &); //purposely not
120 
121  // implemented
122 };
123 } // end namespace itk
124 
125 #endif
126