ITK  5.0.0
Insight Segmentation and Registration Toolkit
itkAtanImageFilter.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 itkAtanImageFilter_h
19 #define itkAtanImageFilter_h
20 
22 #include "itkMath.h"
23 
24 namespace itk
25 {
26 namespace Functor
27 {
33 template< typename TInput, typename TOutput >
34 class Atan
35 {
36 public:
37  Atan() = default;
38  ~Atan() = default;
39  bool operator!=(const Atan &) const
40  {
41  return false;
42  }
44 
45  bool operator==(const Atan & other) const
46  {
47  return !( *this != other );
48  }
49 
50  inline TOutput operator()(const TInput & A) const
51  {
52  return static_cast< TOutput >( std::atan( static_cast< double >( A ) ) );
53  }
54 };
55 }
56 
76 template< typename TInputImage, typename TOutputImage >
78  public
79  UnaryGeneratorImageFilter< TInputImage, TOutputImage >
80 {
81 public:
82  ITK_DISALLOW_COPY_AND_ASSIGN(AtanImageFilter);
83 
89  using FunctorType = Functor::Atan< typename TInputImage::PixelType,
90  typename TOutputImage::PixelType >;
91 
93  itkNewMacro(Self);
94 
96  itkTypeMacro(AtanImageFilter,
98 
99 #ifdef ITK_USE_CONCEPT_CHECKING
100  // Begin concept checking
101  itkConceptMacro( InputConvertibleToDoubleCheck,
103  itkConceptMacro( DoubleConvertibleToOutputCheck,
105  // End concept checking
106 #endif
107 
108 protected:
110  {
111 #if !defined( ITK_WRAPPING_PARSER )
113 #endif
114  }
115 
116  ~AtanImageFilter() override = default;
117 };
118 } // end namespace itk
119 
120 #endif
Functor::Atan< typename TInputImage::PixelType, typename TOutputImage::PixelType > FunctorType
~AtanImageFilter() override=default
The base class for all process objects (source, filters, mappers) in the Insight data processing pipe...
Base class for all process objects that output image data.
void SetFunctor(const std::function< ConstRefFunctionType > &f)
bool operator!=(const Atan &) const
Computes the one-argument inverse tangent of each pixel.
bool operator==(const Atan &other) const
TOutput operator()(const TInput &A) const
#define itkConceptMacro(name, concept)
Implements pixel-wise generic &quot;operation&quot; on one image.