ITK  4.6.0
Insight Segmentation and Registration Toolkit
itkAcosImageFilter.h
Go to the documentation of this file.
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
8  *
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,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  *
17  *=========================================================================*/
18 #ifndef __itkAcosImageFilter_h
19 #define __itkAcosImageFilter_h
20 
22 #include "vnl/vnl_math.h"
23 
24 namespace itk
25 {
26 namespace Functor
27 {
33 template< typename TInput, typename TOutput >
34 class Acos
35 {
36 public:
37  Acos() {}
38  ~Acos() {}
39  bool operator!=(const Acos &) const
40  {
41  return false;
42  }
44 
45  bool operator==(const Acos & other) const
46  {
47  return !( *this != other );
48  }
49 
50  inline TOutput operator()(const TInput & A) const
51  {
52  return static_cast< TOutput >( std::acos( static_cast< double >( A ) ) );
53  }
54 };
55 }
56 
79 template< typename TInputImage, typename TOutputImage >
81  public
82  UnaryFunctorImageFilter< TInputImage, TOutputImage,
83  Functor::Acos<
84  typename TInputImage::PixelType,
85  typename TOutputImage::PixelType > >
86 {
87 public:
90  typedef UnaryFunctorImageFilter< TInputImage, TOutputImage,
91  Functor::Acos< typename TInputImage::PixelType,
92  typename TOutputImage::PixelType > > Superclass;
93 
96 
98  itkNewMacro(Self);
99 
101  itkTypeMacro(AcosImageFilter,
103 
104 #ifdef ITK_USE_CONCEPT_CHECKING
105  // Begin concept checking
106  itkConceptMacro( InputCovertibleToDoubleCheck,
108  itkConceptMacro( DoubleConvertibleToOutputCheck,
110  // End concept checking
111 #endif
112 
113 protected:
115  virtual ~AcosImageFilter() {}
116 
117 private:
118  AcosImageFilter(const Self &); //purposely not implemented
119  void operator=(const Self &); //purposely not implemented
120 };
121 } // end namespace itk
122 
123 #endif
bool operator==(const Acos &other) const
Base class for all process objects that output image data.
SmartPointer< Self > Pointer
TOutput operator()(const TInput &A) const
void operator=(const Self &)
UnaryFunctorImageFilter< TInputImage, TOutputImage, Functor::Acos< typename TInputImage::PixelType, typename TOutputImage::PixelType > > Superclass
Computes the inverse cosine of each pixel.
Computes the Acos of a pixel.
SmartPointer< const Self > ConstPointer
Implements pixel-wise generic operation on one image.
#define itkConceptMacro(name, concept)
bool operator!=(const Acos &) const