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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: 2006/04/04 13:13:51 $
00007   Version:   $Revision: 1.21 $
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 
00079 template <
00080   class TInputImage,
00081   class TOutputImage,
00082   class TDeformationField
00083   >
00084 class ITK_EXPORT WarpImageFilter :
00085     public ImageToImageFilter<TInputImage, TOutputImage>
00086 {
00087 public:
00089   typedef WarpImageFilter      Self;
00090   typedef ImageToImageFilter<TInputImage,TOutputImage> Superclass;
00091   typedef SmartPointer<Self>         Pointer;
00092   typedef SmartPointer<const Self>   ConstPointer;
00093 
00095   itkNewMacro(Self);
00096 
00098   itkTypeMacro( WarpImageFilter, ImageToImageFilter );
00099 
00101   typedef typename TOutputImage::RegionType OutputImageRegionType;
00102 
00104   typedef typename Superclass::InputImageType        InputImageType;
00105   typedef typename Superclass::InputImagePointer     InputImagePointer;
00106   typedef typename Superclass::OutputImageType       OutputImageType;
00107   typedef typename Superclass::OutputImagePointer    OutputImagePointer;
00108   typedef typename Superclass::InputImageConstPointer InputImageConstPointer;
00109   typedef typename OutputImageType::IndexType        IndexType;
00110   typedef typename OutputImageType::SizeType         SizeType;
00111   typedef typename OutputImageType::PixelType        PixelType;
00112   typedef typename OutputImageType::SpacingType      SpacingType;
00113 
00115   itkStaticConstMacro(ImageDimension, unsigned int,
00116                       TOutputImage::ImageDimension );
00117   itkStaticConstMacro(InputImageDimension, unsigned int,
00118                       TInputImage::ImageDimension );
00119   itkStaticConstMacro(DeformationFieldDimension, unsigned int,
00120                       TDeformationField::ImageDimension );
00122 
00124   typedef TDeformationField    DeformationFieldType;
00125   typedef typename DeformationFieldType::Pointer  DeformationFieldPointer;
00126   typedef typename DeformationFieldType::PixelType DisplacementType;
00127 
00129   typedef double CoordRepType;
00130   typedef InterpolateImageFunction<InputImageType,CoordRepType>   InterpolatorType;
00131   typedef typename InterpolatorType::Pointer   InterpolatorPointer;
00132   typedef LinearInterpolateImageFunction<InputImageType,CoordRepType>
00133   DefaultInterpolatorType;
00134 
00136   typedef Point<CoordRepType,itkGetStaticConstMacro(ImageDimension)> PointType;
00137 
00139   void SetDeformationField( const DeformationFieldType * field );
00140 
00142   DeformationFieldType * GetDeformationField(void);
00143 
00145   itkSetObjectMacro( Interpolator, InterpolatorType );
00146 
00148   itkGetObjectMacro( Interpolator, InterpolatorType );
00149 
00151   itkSetMacro(OutputSpacing, SpacingType);
00152   virtual void SetOutputSpacing( const double* values);
00154 
00156   itkGetConstReferenceMacro(OutputSpacing, SpacingType);
00157 
00159   itkSetMacro(OutputOrigin, PointType);
00160   virtual void SetOutputOrigin( const double* values);
00162 
00164   itkGetConstReferenceMacro(OutputOrigin, PointType);
00165 
00167   itkSetMacro( EdgePaddingValue, PixelType );
00168 
00170   itkGetMacro( EdgePaddingValue, PixelType );
00171 
00177   virtual void GenerateOutputInformation();
00178 
00185   virtual void GenerateInputRequestedRegion();
00186 
00189   virtual void BeforeThreadedGenerateData();
00190 
00193   virtual void AfterThreadedGenerateData();
00194 
00195 #ifdef ITK_USE_CONCEPT_CHECKING
00196 
00197   itkConceptMacro(SameDimensionCheck1,
00198     (Concept::SameDimension<ImageDimension, InputImageDimension>));
00199   itkConceptMacro(SameDimensionCheck2,
00200     (Concept::SameDimension<ImageDimension, DeformationFieldDimension>));
00201   itkConceptMacro(InputHasNumericTraitsCheck,
00202     (Concept::HasNumericTraits<typename TInputImage::PixelType>));
00203   itkConceptMacro(DeformationFieldHasNumericTraitsCheck,
00204     (Concept::HasNumericTraits<typename TDeformationField::PixelType::ValueType>));
00205 
00207 #endif
00208 
00209 protected:
00210   WarpImageFilter();
00211   ~WarpImageFilter() {};
00212   void PrintSelf(std::ostream& os, Indent indent) const;
00213 
00217   void ThreadedGenerateData(const OutputImageRegionType& outputRegionForThread,
00218                             int threadId );
00219 
00220 private:
00221   WarpImageFilter(const Self&); //purposely not implemented
00222   void operator=(const Self&); //purposely not implemented
00223 
00224   PixelType                  m_EdgePaddingValue;
00225   SpacingType                m_OutputSpacing;
00226   PointType                  m_OutputOrigin;
00227 
00228   InterpolatorPointer        m_Interpolator;
00229   
00230 };
00231 
00232 } // end namespace itk
00233 
00234 #ifndef ITK_MANUAL_INSTANTIATION
00235 #include "itkWarpImageFilter.txx"
00236 #endif
00237 
00238 #endif
00239 

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