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itkRecursiveSeparableImageFilter.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkRecursiveSeparableImageFilter.h,v $
00005   Language:  C++
00006   Date:      $Date: 2009-08-21 20:27:43 $
00007   Version:   $Revision: 1.27 $
00008 
00009   Copyright (c) Insight Software Consortium. All rights reserved.
00010   See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
00011 
00012      This software is distributed WITHOUT ANY WARRANTY; without even 
00013      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
00014      PURPOSE.  See the above copyright notices for more information.
00015 
00016 =========================================================================*/
00017 #ifndef __itkRecursiveSeparableImageFilter_h
00018 #define __itkRecursiveSeparableImageFilter_h
00019 
00020 #include "itkImageToImageFilter.h"
00021 #include "itkNumericTraits.h"
00022 
00023 namespace itk
00024 {
00025   
00048 template <typename TInputImage, typename TOutputImage=TInputImage>
00049 class ITK_EXPORT RecursiveSeparableImageFilter :
00050     public ImageToImageFilter<TInputImage,TOutputImage> 
00051 {
00052 public:
00054   typedef RecursiveSeparableImageFilter                  Self;
00055   typedef ImageToImageFilter<TInputImage,TOutputImage>   Superclass;
00056   typedef SmartPointer<Self>                             Pointer;
00057   typedef SmartPointer<const Self>                       ConstPointer;
00058 
00060   itkTypeMacro( RecursiveSeparableImageFilter, ImageToImageFilter );
00061 
00063   typedef typename TInputImage::Pointer       InputImagePointer;
00064   typedef typename TInputImage::ConstPointer  InputImageConstPointer;
00065 
00071   typedef typename TInputImage::PixelType                        InputPixelType;
00072   typedef typename NumericTraits<InputPixelType>::RealType       RealType;
00073   typedef typename NumericTraits<InputPixelType>::ScalarRealType ScalarRealType;
00074 
00075   typedef typename TOutputImage::RegionType                      OutputImageRegionType;
00076 
00078   typedef TInputImage      InputImageType;
00079 
00081   typedef TOutputImage      OutputImageType;
00082 
00084   itkGetConstMacro(Direction, unsigned int);
00085 
00087   itkSetMacro(Direction, unsigned int);
00088 
00090   void SetInputImage( const TInputImage * );
00091 
00093   const TInputImage * GetInputImage( void );
00094 
00095 protected:
00096   RecursiveSeparableImageFilter();
00097   virtual ~RecursiveSeparableImageFilter() {};
00098   void PrintSelf(std::ostream& os, Indent indent) const;
00099 
00101   void BeforeThreadedGenerateData();
00102   void ThreadedGenerateData(const OutputImageRegionType& outputRegionForThread, int threadId );
00104 
00105   int SplitRequestedRegion(int i, int num, OutputImageRegionType& splitRegion);
00106 
00115   void EnlargeOutputRequestedRegion(DataObject *output);
00116 
00121   virtual void SetUp(ScalarRealType spacing) = 0;
00122 
00129   void FilterDataArray(RealType *outs, const RealType *data, RealType *scratch,
00130                        unsigned int ln);
00131 
00132 protected:
00134   ScalarRealType m_N0;
00135   ScalarRealType m_N1;
00136   ScalarRealType m_N2;
00137   ScalarRealType m_N3; 
00138 
00142   ScalarRealType m_D1;
00143   ScalarRealType m_D2;
00144   ScalarRealType m_D3;
00145   ScalarRealType m_D4; 
00146 
00148   ScalarRealType m_M1;
00149   ScalarRealType m_M2;
00150   ScalarRealType m_M3;
00151   ScalarRealType m_M4; 
00152 
00155   ScalarRealType m_BN1;
00156   ScalarRealType m_BN2;
00157   ScalarRealType m_BN3;
00158   ScalarRealType m_BN4; 
00159 
00160   ScalarRealType m_BM1;
00161   ScalarRealType m_BM2;
00162   ScalarRealType m_BM3;
00163   ScalarRealType m_BM4; 
00164  
00165 private:  
00166   RecursiveSeparableImageFilter(const Self&); //purposely not implemented
00167   void operator=(const Self&); //purposely not implemented
00168 
00171   unsigned int m_Direction;
00172 
00173 };
00174 
00175 
00176 } // end namespace itk
00177 
00178 #ifndef ITK_MANUAL_INSTANTIATION
00179 #include "itkRecursiveSeparableImageFilter.txx"
00180 #endif
00181 
00182 
00183 #endif
00184 

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