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itkResampleImageFilter.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkResampleImageFilter.h,v $
00005   Language:  C++
00006   Date:      $Date: 2009-04-25 12:28:07 $
00007   Version:   $Revision: 1.62 $
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 __itkResampleImageFilter_h
00018 #define __itkResampleImageFilter_h
00019 
00020 // First make sure that the configuration is available.
00021 // This line can be removed once the optimized versions
00022 // gets integrated into the main directories.
00023 #include "itkConfigure.h"
00024 
00025 #ifdef ITK_USE_OPTIMIZED_REGISTRATION_METHODS
00026 #include "itkOptResampleImageFilter.h"
00027 #else
00028 
00029 #include "itkFixedArray.h"
00030 #include "itkTransform.h"
00031 #include "itkImageFunction.h"
00032 #include "itkImageRegionIterator.h"
00033 #include "itkImageToImageFilter.h"
00034 #include "itkInterpolateImageFunction.h"
00035 #include "itkSize.h"
00036 
00037 namespace itk
00038 {
00039 
00077 template <class TInputImage, class TOutputImage,
00078           class TInterpolatorPrecisionType=double>
00079 class ITK_EXPORT ResampleImageFilter:
00080     public ImageToImageFilter<TInputImage, TOutputImage>
00081 {
00082 public:
00084   typedef ResampleImageFilter                           Self;
00085   typedef ImageToImageFilter<TInputImage,TOutputImage>  Superclass;
00086   typedef SmartPointer<Self>                            Pointer;
00087   typedef SmartPointer<const Self>                      ConstPointer;
00088 
00089   typedef TInputImage                             InputImageType;
00090   typedef TOutputImage                            OutputImageType;
00091   typedef typename InputImageType::Pointer        InputImagePointer;
00092   typedef typename InputImageType::ConstPointer   InputImageConstPointer;
00093   typedef typename OutputImageType::Pointer       OutputImagePointer;
00094   typedef typename InputImageType::RegionType     InputImageRegionType;
00095 
00097   itkNewMacro(Self);  
00098 
00100   itkTypeMacro(ResampleImageFilter, ImageToImageFilter);
00101 
00103   itkStaticConstMacro(ImageDimension, unsigned int,
00104                       TOutputImage::ImageDimension);
00105   itkStaticConstMacro(InputImageDimension, unsigned int,
00106                       TInputImage::ImageDimension);
00108 
00109 
00111   typedef Transform<TInterpolatorPrecisionType, 
00112     itkGetStaticConstMacro(ImageDimension), 
00113     itkGetStaticConstMacro(ImageDimension)> TransformType;
00114   typedef typename TransformType::ConstPointer TransformPointerType;
00116 
00118   typedef InterpolateImageFunction<InputImageType, TInterpolatorPrecisionType> InterpolatorType;
00119   typedef typename InterpolatorType::Pointer  InterpolatorPointerType;
00120 
00122   typedef Size<itkGetStaticConstMacro(ImageDimension)> SizeType;
00123 
00125   typedef typename TOutputImage::IndexType IndexType;
00126 
00128   typedef typename InterpolatorType::PointType    PointType;
00129   //typedef typename TOutputImage::PointType    PointType;
00130 
00132   typedef typename TOutputImage::PixelType   PixelType;
00133   typedef typename TInputImage::PixelType    InputPixelType;
00134 
00136   typedef typename TOutputImage::RegionType OutputImageRegionType;
00137 
00139   typedef typename TOutputImage::SpacingType   SpacingType;
00140   typedef typename TOutputImage::PointType     OriginPointType;
00141   typedef typename TOutputImage::DirectionType DirectionType;
00142 
00144   typedef ImageBase<itkGetStaticConstMacro(ImageDimension)> ImageBaseType;
00145 
00153   itkSetConstObjectMacro( Transform, TransformType ); 
00154 
00156   itkGetConstObjectMacro( Transform, TransformType );
00157 
00164   itkSetObjectMacro( Interpolator, InterpolatorType );
00165 
00167   itkGetConstObjectMacro( Interpolator, InterpolatorType );
00168 
00170   itkSetMacro( Size, SizeType );
00171 
00173   itkGetConstReferenceMacro( Size, SizeType );
00174 
00177   itkSetMacro( DefaultPixelValue, PixelType );
00178 
00180   itkGetConstReferenceMacro( DefaultPixelValue, PixelType );
00181 
00183   itkSetMacro( OutputSpacing, SpacingType );
00184   virtual void SetOutputSpacing( const double* values );
00186 
00188   itkGetConstReferenceMacro( OutputSpacing, SpacingType );
00189 
00191   itkSetMacro( OutputOrigin, OriginPointType );
00192   virtual void SetOutputOrigin( const double* values);
00194 
00196   itkGetConstReferenceMacro( OutputOrigin, OriginPointType );
00197 
00199   itkSetMacro( OutputDirection, DirectionType );
00200   itkGetConstReferenceMacro( OutputDirection, DirectionType );
00202 
00204   void SetOutputParametersFromImage ( const ImageBaseType * image );
00205 
00208   itkLegacyMacro( void SetOutputParametersFromConstImage ( const ImageBaseType * image ) );
00209 
00212   itkSetMacro( OutputStartIndex, IndexType );
00213 
00215   itkGetConstReferenceMacro( OutputStartIndex, IndexType );
00216 
00223   void SetReferenceImage ( const TOutputImage *image );
00224   const TOutputImage * GetReferenceImage( void ) const;
00226 
00227   itkSetMacro( UseReferenceImage, bool );
00228   itkBooleanMacro( UseReferenceImage );
00229   itkGetConstMacro( UseReferenceImage, bool );
00230 
00236   virtual void GenerateOutputInformation( void );
00237 
00243   virtual void GenerateInputRequestedRegion( void );
00244 
00247   virtual void BeforeThreadedGenerateData( void );
00248 
00251   virtual void AfterThreadedGenerateData( void );
00252 
00254   unsigned long GetMTime( void ) const;
00255 
00256 #ifdef ITK_USE_CONCEPT_CHECKING
00257 
00258   itkConceptMacro(OutputHasNumericTraitsCheck,
00259                   (Concept::HasNumericTraits<PixelType>));
00260 
00262 #endif
00263 
00264 protected:
00265   ResampleImageFilter( void );
00266   ~ResampleImageFilter( void ) {};
00267 
00268   void PrintSelf( std::ostream& os, Indent indent ) const;
00269 
00278   void ThreadedGenerateData( const OutputImageRegionType& outputRegionForThread,
00279                              int threadId );
00280 
00283   void NonlinearThreadedGenerateData( const OutputImageRegionType& outputRegionForThread,
00284                                       int threadId );
00285 
00289   void LinearThreadedGenerateData( const OutputImageRegionType&
00290                                    outputRegionForThread,
00291                                    int threadId );
00292 
00293 
00294 private:
00295   ResampleImageFilter( const Self& ); //purposely not implemented
00296   void operator=( const Self& ); //purposely not implemented
00297 
00298   SizeType                m_Size;              // Size of the output image
00299   TransformPointerType    m_Transform;         // Coordinate transform to use
00300   InterpolatorPointerType m_Interpolator;      // Image function for
00301                                                // interpolation
00302   PixelType               m_DefaultPixelValue; // default pixel value
00303                                                // if the point is
00304                                                // outside the image
00305   SpacingType             m_OutputSpacing;     // output image spacing
00306   OriginPointType         m_OutputOrigin;      // output image origin
00307   DirectionType           m_OutputDirection;   // output image direction cosines
00308   IndexType               m_OutputStartIndex;  // output image start index
00309   bool                    m_UseReferenceImage;
00310 
00311 };
00312 
00313   
00314 } // end namespace itk
00315   
00316 #ifndef ITK_MANUAL_INSTANTIATION
00317 #include "itkResampleImageFilter.txx"
00318 #endif
00319   
00320 #endif
00321   
00322 #endif
00323 

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