ITK  4.4.0
Insight Segmentation and Registration Toolkit
itkTernaryMagnitudeImageFilter.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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9  * http://www.apache.org/licenses/LICENSE-2.0.txt
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
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14  * See the License for the specific language governing permissions and
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16  *
17  *=========================================================================*/
18 #ifndef __itkTernaryMagnitudeImageFilter_h
19 #define __itkTernaryMagnitudeImageFilter_h
20 
22 
23 namespace itk
24 {
25 namespace Functor
26 {
32 template< class TInput1, class TInput2, class TInput3, class TOutput >
33 class Modulus3
34 {
35 public:
36  Modulus3() {}
37  ~Modulus3() {}
38  bool operator!=(const Modulus3 &) const
39  {
40  return false;
41  }
43 
44  bool operator==(const Modulus3 & other) const
45  {
46  return !( *this != other );
47  }
48 
49  inline TOutput operator()(const TInput1 & A,
50  const TInput2 & B,
51  const TInput3 & C) const
52  { return (TOutput)vcl_sqrt( (double)( A * A + B * B + C * C ) ); }
53 };
54 }
65 template< class TInputImage1, class TInputImage2,
66  class TInputImage3, class TOutputImage >
67 class ITK_EXPORT TernaryMagnitudeImageFilter:
68  public
69  TernaryFunctorImageFilter< TInputImage1, TInputImage2,
70  TInputImage3, TOutputImage,
71  Functor::Modulus3<
72  typename TInputImage1::PixelType,
73  typename TInputImage2::PixelType,
74  typename TInputImage3::PixelType,
75  typename TOutputImage::PixelType > >
76 {
77 public:
81  TInputImage1, TInputImage2,
82  TInputImage3, TOutputImage,
84  typename TInputImage1::PixelType,
85  typename TInputImage2::PixelType,
86  typename TInputImage3::PixelType,
87  typename TOutputImage::PixelType >
89 
92 
94  itkNewMacro(Self);
95 
97  itkTypeMacro(TernaryMagnitudeImageFilter,
99 
100 protected:
103 
104 private:
105  TernaryMagnitudeImageFilter(const Self &); //purposely not implemented
106  void operator=(const Self &); //purposely not implemented
107 };
108 } // end namespace itk
109 
110 #endif
111