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itkThresholdImageFilter.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkThresholdImageFilter.h,v $
00005   Language:  C++
00006   Date:      $Date: 2002/04/29 01:13:15 $
00007   Version:   $Revision: 1.16 $
00008 
00009   Copyright (c) 2002 Insight Consortium. All rights reserved.
00010   See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
00011 
00012   Portions of this code are covered under the VTK copyright.
00013   See VTKCopyright.txt or http://www.kitware.com/VTKCopyright.htm for details.
00014 
00015      This software is distributed WITHOUT ANY WARRANTY; without even 
00016      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
00017      PURPOSE.  See the above copyright notices for more information.
00018 
00019 =========================================================================*/
00020 #ifndef __itkThresholdImageFilter_h
00021 #define __itkThresholdImageFilter_h
00022 
00023 #include "itkImageToImageFilter.h"
00024 
00025 #include "itkConceptChecking.h"
00026 
00027 namespace itk
00028 {
00029 
00042 template <class TImage>
00043 class ITK_EXPORT ThresholdImageFilter:public ImageToImageFilter<TImage,TImage>
00044 {
00045 public:
00047   typedef ThresholdImageFilter         Self;
00048   typedef ImageToImageFilter<TImage,TImage>  Superclass;
00049   typedef SmartPointer<Self>  Pointer;
00050   typedef SmartPointer<const Self>  ConstPointer;
00051 
00053   itkNewMacro(Self);  
00054 
00056   itkTypeMacro(ThresholdImageFilter, ImageToImageFilter);
00057 
00059   typedef typename TImage::PixelType PixelType;
00060   
00062   itkConceptMacro(PixelTypeComparable, (Concept::Comparable<PixelType>));
00063   
00066   itkSetMacro(OutsideValue,PixelType);
00067   
00069   itkGetMacro(OutsideValue,PixelType);
00070                  
00072   void ThresholdAbove(const PixelType &thresh);
00073   
00075   void ThresholdBelow(const PixelType &thresh);
00076 
00078   void ThresholdOutside(const PixelType &lower, const PixelType &upper);
00079 
00081   typedef TImage InputImageType;
00082   typedef typename InputImageType::ConstPointer InputImagePointer;
00083   typedef typename InputImageType::RegionType   InputImageRegionType;
00084   typedef typename InputImageType::PixelType    InputImagePixelType;
00085 
00087   typedef TImage OutputImageType;
00088   typedef typename OutputImageType::Pointer OutputImagePointer;
00089   typedef typename OutputImageType::RegionType OutputImageRegionType;
00090   typedef typename OutputImageType::PixelType OutputImagePixelType;
00091 
00092 protected:
00093   ThresholdImageFilter();
00094   ~ThresholdImageFilter() {};
00095   void PrintSelf(std::ostream& os, Indent indent) const;
00096 
00107   void ThreadedGenerateData(const OutputImageRegionType& outputRegionForThread,
00108                             int threadId );
00109 
00110 private:
00111   ThresholdImageFilter(const Self&); //purposely not implemented
00112   void operator=(const Self&); //purposely not implemented
00113 
00114   PixelType m_OutsideValue;
00115   PixelType m_Lower;
00116   PixelType m_Upper;
00117 };
00118 
00119   
00120 } // end namespace itk
00121   
00122 #ifndef ITK_MANUAL_INSTANTIATION
00123 #include "itkThresholdImageFilter.txx"
00124 #endif
00125   
00126 #endif

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