ITK
4.1.0
Insight Segmentation and Registration Toolkit
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00001 /*========================================================================= 00002 * 00003 * Copyright Insight Software Consortium 00004 * 00005 * Licensed under the Apache License, Version 2.0 (the "License"); 00006 * you may not use this file except in compliance with the License. 00007 * You may obtain a copy of the License at 00008 * 00009 * http://www.apache.org/licenses/LICENSE-2.0.txt 00010 * 00011 * Unless required by applicable law or agreed to in writing, software 00012 * distributed under the License is distributed on an "AS IS" BASIS, 00013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00014 * See the License for the specific language governing permissions and 00015 * limitations under the License. 00016 * 00017 *=========================================================================*/ 00018 #ifndef __itkMaximumProjectionImageFilter_h 00019 #define __itkMaximumProjectionImageFilter_h 00020 00021 #include "itkProjectionImageFilter.h" 00022 #include "itkConceptChecking.h" 00023 00024 namespace itk 00025 { 00046 namespace Functor 00047 { 00048 template< class TInputPixel > 00049 class MaximumAccumulator 00050 { 00051 public: 00052 MaximumAccumulator( SizeValueType ) {} 00053 ~MaximumAccumulator(){} 00054 00055 inline void Initialize() 00056 { 00057 m_Maximum = NumericTraits< TInputPixel >::NonpositiveMin(); 00058 } 00059 00060 inline void operator()(const TInputPixel & input) 00061 { 00062 m_Maximum = vnl_math_max(m_Maximum, input); 00063 } 00064 00065 inline TInputPixel GetValue() 00066 { 00067 return m_Maximum; 00068 } 00069 00070 TInputPixel m_Maximum; 00071 }; 00072 } // end namespace Function 00073 00074 template< class TInputImage, class TOutputImage > 00075 class ITK_EXPORT MaximumProjectionImageFilter: 00076 public ProjectionImageFilter< TInputImage, TOutputImage, 00077 Functor::MaximumAccumulator< typename TInputImage::PixelType > > 00078 { 00079 public: 00080 typedef MaximumProjectionImageFilter Self; 00081 typedef ProjectionImageFilter< TInputImage, TOutputImage, 00082 Functor::MaximumAccumulator< typename TInputImage::PixelType > > Superclass; 00083 00084 typedef TInputImage InputImageType; 00085 typedef typename InputImageType::PixelType InputPixelType; 00086 00087 typedef SmartPointer< Self > Pointer; 00088 typedef SmartPointer< const Self > ConstPointer; 00089 00091 itkTypeMacro(MaximumProjectionImageFilter, ProjectionImageFilter); 00092 00094 itkNewMacro(Self); 00095 00096 #ifdef ITK_USE_CONCEPT_CHECKING 00097 00098 itkConceptMacro( InputPixelTypeGreaterThanComparable, 00099 ( Concept::GreaterThanComparable< InputPixelType > ) ); 00100 itkConceptMacro( InputHasNumericTraitsCheck, 00101 ( Concept::HasNumericTraits< InputPixelType > ) ); 00102 00104 #endif 00105 protected: 00106 MaximumProjectionImageFilter() {} 00107 virtual ~MaximumProjectionImageFilter() {} 00108 private: 00109 MaximumProjectionImageFilter(const Self &); //purposely not implemented 00110 void operator=(const Self &); //purposely not implemented 00111 }; // end 00112 // MaximumProjectionImageFilter 00113 } //end namespace itk 00115 00116 #endif 00117