ITK  4.9.0
Insight Segmentation and Registration Toolkit
itkComplexToRealImageFilter.h
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18 #ifndef itkComplexToRealImageFilter_h
19 #define itkComplexToRealImageFilter_h
20 
22 #include "vnl/vnl_math.h"
23 
24 namespace itk
25 {
32 namespace Functor
33 {
34 template< typename TInput, typename TOutput >
36 {
37 public:
40  bool operator!=(const ComplexToReal &) const
41  {
42  return false;
43  }
44 
45  bool operator==(const ComplexToReal & other) const
46  {
47  return !( *this != other );
48  }
49 
50  inline TOutput operator()(const TInput & A) const
51  {
52  return (TOutput)( A.real() );
53  }
54 };
55 }
56 
57 template< typename TInputImage, typename TOutputImage >
59  public
60  UnaryFunctorImageFilter< TInputImage, TOutputImage,
61  Functor::ComplexToReal<
62  typename TInputImage::PixelType,
63  typename TOutputImage::PixelType > >
64 {
65 public:
69  TInputImage, TOutputImage,
70  Functor::ComplexToReal< typename TInputImage::PixelType,
71  typename TOutputImage::PixelType > > Superclass;
72 
75 
77  itkNewMacro(Self);
78 
80  itkTypeMacro(ComplexToRealImageFilter,
82 
83  typedef typename TInputImage::PixelType InputPixelType;
84  typedef typename TOutputImage::PixelType OutputPixelType;
86 
87 #ifdef ITK_USE_CONCEPT_CHECKING
88  // Begin concept checking
89  itkConceptMacro( InputConvertibleToOutputCheck,
91  // End concept checking
92 #endif
93 
94 protected:
97 
98 private:
99  ComplexToRealImageFilter(const Self &) ITK_DELETE_FUNCTION;
100  void operator=(const Self &) ITK_DELETE_FUNCTION;
101 };
102 } // end namespace itk
103 
104 #endif
bool operator==(const ComplexToReal &other) const
bool operator!=(const ComplexToReal &) const
SmartPointer< const Self > ConstPointer
Base class for all process objects that output image data.
UnaryFunctorImageFilter< TInputImage, TOutputImage, Functor::ComplexToReal< typename TInputImage::PixelType, typename TOutputImage::PixelType > > Superclass
Implements pixel-wise generic operation on one image.
Define additional traits for native types such as int or float.
Computes pixel-wise the real(x) part of a complex image.
#define itkConceptMacro(name, concept)
TOutput operator()(const TInput &A) const
NumericTraits< InputPixelType >::ValueType InputPixelValueType