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itkWarpImageFilter.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkWarpImageFilter.h,v $
00005   Language:  C++
00006   Date:      $Date: 2008-07-04 17:49:22 $
00007   Version:   $Revision: 1.22 $
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 __itkWarpImageFilter_h
00018 #define __itkWarpImageFilter_h
00019 
00020 #include "itkImageToImageFilter.h"
00021 #include "itkInterpolateImageFunction.h"
00022 #include "itkLinearInterpolateImageFunction.h"
00023 #include "itkPoint.h"
00024 #include "itkFixedArray.h"
00025 
00026 namespace itk
00027 {
00028 
00081 template <
00082   class TInputImage,
00083   class TOutputImage,
00084   class TDeformationField
00085   >
00086 class ITK_EXPORT WarpImageFilter :
00087     public ImageToImageFilter<TInputImage, TOutputImage>
00088 {
00089 public:
00091   typedef WarpImageFilter      Self;
00092   typedef ImageToImageFilter<TInputImage,TOutputImage> Superclass;
00093   typedef SmartPointer<Self>         Pointer;
00094   typedef SmartPointer<const Self>   ConstPointer;
00095 
00097   itkNewMacro(Self);
00098 
00100   itkTypeMacro( WarpImageFilter, ImageToImageFilter );
00101 
00103   typedef typename TOutputImage::RegionType OutputImageRegionType;
00104 
00106   typedef typename Superclass::InputImageType        InputImageType;
00107   typedef typename Superclass::InputImagePointer     InputImagePointer;
00108   typedef typename Superclass::OutputImageType       OutputImageType;
00109   typedef typename Superclass::OutputImagePointer    OutputImagePointer;
00110   typedef typename Superclass::InputImageConstPointer InputImageConstPointer;
00111   typedef typename OutputImageType::IndexType        IndexType;
00112   typedef typename OutputImageType::SizeType         SizeType;
00113   typedef typename OutputImageType::PixelType        PixelType;
00114   typedef typename OutputImageType::SpacingType      SpacingType;
00115 
00117   itkStaticConstMacro(ImageDimension, unsigned int,
00118                       TOutputImage::ImageDimension );
00119   itkStaticConstMacro(InputImageDimension, unsigned int,
00120                       TInputImage::ImageDimension );
00121   itkStaticConstMacro(DeformationFieldDimension, unsigned int,
00122                       TDeformationField::ImageDimension );
00124 
00126   typedef TDeformationField    DeformationFieldType;
00127   typedef typename DeformationFieldType::Pointer  DeformationFieldPointer;
00128   typedef typename DeformationFieldType::PixelType DisplacementType;
00129 
00131   typedef double CoordRepType;
00132   typedef InterpolateImageFunction<InputImageType,CoordRepType>   InterpolatorType;
00133   typedef typename InterpolatorType::Pointer   InterpolatorPointer;
00134   typedef LinearInterpolateImageFunction<InputImageType,CoordRepType>
00135   DefaultInterpolatorType;
00136 
00138   typedef Point<CoordRepType,itkGetStaticConstMacro(ImageDimension)> PointType;
00139 
00141   typedef typename TOutputImage::DirectionType     DirectionType;
00142 
00144   void SetDeformationField( const DeformationFieldType * field );
00145 
00147   DeformationFieldType * GetDeformationField(void);
00148 
00150   itkSetObjectMacro( Interpolator, InterpolatorType );
00151 
00153   itkGetObjectMacro( Interpolator, InterpolatorType );
00154 
00156   itkSetMacro(OutputSpacing, SpacingType);
00157   virtual void SetOutputSpacing( const double* values);
00159 
00161   itkGetConstReferenceMacro(OutputSpacing, SpacingType);
00162 
00164   itkSetMacro(OutputOrigin, PointType);
00165   virtual void SetOutputOrigin( const double* values);
00167 
00169   itkGetConstReferenceMacro(OutputOrigin, PointType);
00170 
00172   itkSetMacro(OutputDirection, DirectionType );
00173   itkGetConstReferenceMacro(OutputDirection, DirectionType );
00175 
00177   itkSetMacro( EdgePaddingValue, PixelType );
00178 
00180   itkGetMacro( EdgePaddingValue, PixelType );
00181 
00187   virtual void GenerateOutputInformation();
00188 
00195   virtual void GenerateInputRequestedRegion();
00196 
00199   virtual void BeforeThreadedGenerateData();
00200 
00203   virtual void AfterThreadedGenerateData();
00204 
00205 #ifdef ITK_USE_CONCEPT_CHECKING
00206 
00207   itkConceptMacro(SameDimensionCheck1,
00208     (Concept::SameDimension<ImageDimension, InputImageDimension>));
00209   itkConceptMacro(SameDimensionCheck2,
00210     (Concept::SameDimension<ImageDimension, DeformationFieldDimension>));
00211   itkConceptMacro(InputHasNumericTraitsCheck,
00212     (Concept::HasNumericTraits<typename TInputImage::PixelType>));
00213   itkConceptMacro(DeformationFieldHasNumericTraitsCheck,
00214     (Concept::HasNumericTraits<typename TDeformationField::PixelType::ValueType>));
00215 
00217 #endif
00218 
00219 protected:
00220   WarpImageFilter();
00221   ~WarpImageFilter() {};
00222   void PrintSelf(std::ostream& os, Indent indent) const;
00223 
00227   void ThreadedGenerateData(const OutputImageRegionType& outputRegionForThread,
00228                             int threadId );
00229 
00230 private:
00231   WarpImageFilter(const Self&); //purposely not implemented
00232   void operator=(const Self&); //purposely not implemented
00233 
00234   PixelType                  m_EdgePaddingValue;
00235   SpacingType                m_OutputSpacing;
00236   PointType                  m_OutputOrigin;
00237   DirectionType              m_OutputDirection;
00238 
00239   InterpolatorPointer        m_Interpolator;
00240   
00241 };
00242 
00243 } // end namespace itk
00244 
00245 #ifndef ITK_MANUAL_INSTANTIATION
00246 #include "itkWarpImageFilter.txx"
00247 #endif
00248 
00249 #endif
00250 

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