ITK  4.3.0
Insight Segmentation and Registration Toolkit
itkMinimumProjectionImageFilter.h
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1 /*=========================================================================
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3  * Copyright Insight Software Consortium
4  *
5  * Licensed under the Apache License, Version 2.0 (the "License");
6  * you may not use this file except in compliance with the License.
7  * You may obtain a copy of the License at
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14  * See the License for the specific language governing permissions and
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16  *
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18 #ifndef __itkMinimumProjectionImageFilter_h
19 #define __itkMinimumProjectionImageFilter_h
20 
22 #include "itkConceptChecking.h"
23 
24 namespace itk
25 {
46 namespace Functor
47 {
48 template< class TInputPixel >
50 {
51 public:
54 
55  inline void Initialize()
56  {
58  }
59 
60  inline void operator()(const TInputPixel & input)
61  {
62  m_Minimum = vnl_math_min(m_Minimum, input);
63  }
64 
65  inline TInputPixel GetValue()
66  {
67  return m_Minimum;
68  }
69 
70  TInputPixel m_Minimum;
71 };
72 } // end namespace Function
73 
74 template< class TInputImage, class TOutputImage >
75 class ITK_EXPORT MinimumProjectionImageFilter:public
76  ProjectionImageFilter< TInputImage, TOutputImage,
77  Functor::MinimumAccumulator< typename TInputImage::PixelType > >
78 {
79 public:
81  typedef ProjectionImageFilter< TInputImage, TOutputImage,
83  typename TInputImage::PixelType > > Superclass;
84 
85  typedef TInputImage InputImageType;
86  typedef typename InputImageType::PixelType InputPixelType;
87 
90 
93 
95  itkNewMacro(Self);
96 
97 #ifdef ITK_USE_CONCEPT_CHECKING
98 
99  itkConceptMacro( InputPixelTypeGreaterThanComparable,
101  itkConceptMacro( InputHasNumericTraitsCheck,
103 
105 #endif
106 
107 protected:
110 
111 private:
112  MinimumProjectionImageFilter(const Self &); //purposely not implemented
113  void operator=(const Self &); //purposely not implemented
114 }; // end
115  // MinimumProjectionImageFilter
116 } //end namespace itk
117 
118 #endif
119