ITK  4.13.0 Insight Segmentation and Registration Toolkit
itkVectorRescaleIntensityImageFilter.h
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3  * Copyright Insight Software Consortium
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14  * See the License for the specific language governing permissions and
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17  *=========================================================================*/
18 #ifndef itkVectorRescaleIntensityImageFilter_h
19 #define itkVectorRescaleIntensityImageFilter_h
20
21 #include "itkMath.h"
23
24 namespace itk
25 {
26 // This functor class applies a scaling transformation A.x
27 // to input values.
28 namespace Functor
29 {
30 template< typename TInput, typename TOutput >
31 class ITK_TEMPLATE_EXPORT VectorMagnitudeLinearTransform
32 {
33 public:
35  VectorMagnitudeLinearTransform() : m_Factor(0.0) {}
37  void SetFactor(RealType a) { m_Factor = a; }
38  itkStaticConstMacro(VectorDimension, unsigned int, TInput::Dimension);
39  bool operator!=(const VectorMagnitudeLinearTransform & other) const
40  {
41  if ( Math::NotExactlyEquals(m_Factor, other.m_Factor) )
42  {
43  return true;
44  }
45  return false;
46  }
47
48  bool operator==(const VectorMagnitudeLinearTransform & other) const
49  {
50  return !( *this != other );
51  }
52
53  inline TOutput operator()(const TInput & x) const
54  {
55  TOutput result;
56
57  for ( unsigned int i = 0; i < VectorDimension; i++ )
58  {
59  const RealType scaledComponent = static_cast< RealType >( x[i] ) * m_Factor;
60  result[i] = static_cast< typename TOutput::ValueType >( scaledComponent );
61  }
62  return result;
63  }
64
65 private:
67 };
68 } // end namespace functor
69
92 template< typename TInputImage, typename TOutputImage = TInputImage >
93 class ITK_TEMPLATE_EXPORT VectorRescaleIntensityImageFilter:
94  public
95  UnaryFunctorImageFilter< TInputImage, TOutputImage,
96  Functor::VectorMagnitudeLinearTransform<
97  typename TInputImage::PixelType,
98  typename TOutputImage::PixelType > >
99 {
100 public:
103  typedef UnaryFunctorImageFilter<
104  TInputImage, TOutputImage,
106  typename TInputImage::PixelType,
107  typename TOutputImage::PixelType > > Superclass;
108
111
112  typedef typename TOutputImage::PixelType OutputPixelType;
113  typedef typename TInputImage::PixelType InputPixelType;
114  typedef typename InputPixelType::ValueType InputValueType;
115  typedef typename OutputPixelType::ValueType OutputValueType;
118
119  typedef typename Superclass::InputImageType InputImageType;
120  typedef typename Superclass::InputImagePointer InputImagePointer;
121
124
126  itkNewMacro(Self);
127
128  itkSetMacro(OutputMaximumMagnitude, OutputRealType);
129  itkGetConstReferenceMacro(OutputMaximumMagnitude, OutputRealType);
130
134  itkGetConstReferenceMacro(Scale, InputRealType);
135  itkGetConstReferenceMacro(Shift, InputRealType);
137
140  itkGetConstReferenceMacro(InputMaximumMagnitude, InputRealType);
141
144
145  void PrintSelf(std::ostream & os, Indent indent) const ITK_OVERRIDE;
146
147 #ifdef ITK_USE_CONCEPT_CHECKING
148  // Begin concept checking
149  itkConceptMacro( InputHasNumericTraitsCheck,
151  itkConceptMacro( OutputHasNumericTraitsCheck,
153  // End concept checking
154 #endif
155
156 protected:
158  virtual ~VectorRescaleIntensityImageFilter() ITK_OVERRIDE {}
159
160 private:
161  ITK_DISALLOW_COPY_AND_ASSIGN(VectorRescaleIntensityImageFilter);
162
165
168 };
169 } // end namespace itk
170
171 #ifndef ITK_MANUAL_INSTANTIATION
172 #include "itkVectorRescaleIntensityImageFilter.hxx"
173 #endif
174
175 #endif
NumericTraits< typename TInput::ValueType >::RealType RealType
UnaryFunctorImageFilter< TInputImage, TOutputImage, Functor::VectorMagnitudeLinearTransform< typename TInputImage::PixelType, typename TOutputImage::PixelType > > Superclass
NumericTraits< OutputValueType >::RealType OutputRealType
Base class for all process objects that output image data.
bool operator==(const VectorMagnitudeLinearTransform &other) const
bool NotExactlyEquals(const TInput1 &x1, const TInput2 &x2)
Definition: itkMath.h:721
Implements pixel-wise generic operation on one image.
bool operator!=(const VectorMagnitudeLinearTransform &other) const
Control indentation during Print() invocation.
Definition: itkIndent.h:49
NumericTraits< InputValueType >::RealType InputRealType
Applies a linear transformation to the magnitude of pixel vectors in a vector Image.
Define additional traits for native types such as int or float.
#define itkConceptMacro(name, concept)