ITK  4.4.0
Insight Segmentation and Registration Toolkit
itkMinimumProjectionImageFilter.h
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1 /*=========================================================================
2  *
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  *
17  *=========================================================================*/
18 #ifndef __itkMinimumProjectionImageFilter_h
19 #define __itkMinimumProjectionImageFilter_h
20 
22 #include "itkConceptChecking.h"
23 
24 namespace itk
25 {
45 namespace Functor
46 {
47 template< class TInputPixel >
49 {
50 public:
53 
54  inline void Initialize()
55  {
57  }
58 
59  inline void operator()(const TInputPixel & input)
60  {
61  m_Minimum = vnl_math_min(m_Minimum, input);
62  }
63 
64  inline TInputPixel GetValue()
65  {
66  return m_Minimum;
67  }
68 
69  TInputPixel m_Minimum;
70 };
71 } // end namespace Function
72 
73 template< class TInputImage, class TOutputImage >
74 class ITK_EXPORT MinimumProjectionImageFilter:public
75  ProjectionImageFilter< TInputImage, TOutputImage,
76  Functor::MinimumAccumulator< typename TInputImage::PixelType > >
77 {
78 public:
80  typedef ProjectionImageFilter< TInputImage, TOutputImage,
82  typename TInputImage::PixelType > > Superclass;
83 
84  typedef TInputImage InputImageType;
85  typedef typename InputImageType::PixelType InputPixelType;
86 
89 
92 
94  itkNewMacro(Self);
95 
96 #ifdef ITK_USE_CONCEPT_CHECKING
97 
98  itkConceptMacro( InputPixelTypeGreaterThanComparable,
100  itkConceptMacro( InputHasNumericTraitsCheck,
102 
104 #endif
105 
106 protected:
109 
110 private:
111  MinimumProjectionImageFilter(const Self &); //purposely not implemented
112  void operator=(const Self &); //purposely not implemented
113 }; // end
114  // MinimumProjectionImageFilter
115 } //end namespace itk
116 
117 #endif
118