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itkInterpolateImagePointsFilter.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkInterpolateImagePointsFilter.h,v $
00005   Language:  C++
00006   Date:      $Date: 2009-04-25 12:27:27 $
00007   Version:   $Revision: 1.12 $
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   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 
00021 #ifndef __itkInterpolateImagePointsFilter_h
00022 #define __itkInterpolateImagePointsFilter_h
00023 
00024 #include "itkBSplineInterpolateImageFunction.h"
00025 #include "itkImageToImageFilter.h"
00026 #include "itkImageToImageFilterDetail.h"
00027 #include "itkImageRegionIterator.h"
00028 #include "itkImageRegionConstIterator.h"
00029 
00030 namespace itk
00031 {
00070 template <class TInputImage, 
00071           class TOutputImage, 
00072           class TCoordType = ITK_TYPENAME TInputImage::PixelType, 
00073           class InterpolatorType = BSplineInterpolateImageFunction<TInputImage, TCoordType> > 
00074 class ITK_EXPORT InterpolateImagePointsFilter : 
00075     public ImageToImageFilter<TInputImage, TOutputImage>
00076 {
00077 public:
00079   typedef InterpolateImagePointsFilter                  Self;
00080   typedef ImageToImageFilter<TInputImage, TOutputImage> Superclass;
00081   typedef SmartPointer<Self>                            Pointer;
00082   typedef SmartPointer<const Self>                      ConstPointer;
00083 
00085   itkTypeMacro(InterpolateImagePointsFilter, ImageToImageFilter);
00086 
00087  
00089   itkNewMacro( Self );
00090 
00092   itkStaticConstMacro(ImageDimension, unsigned int, TInputImage::ImageDimension );
00093 
00095   typedef typename Superclass::InputImageType    InputImageType;
00096   typedef typename Superclass::OutputImageType   OutputImageType;
00097   typedef typename Superclass::InputImagePointer InputImagePointer;
00098 
00100   typedef typename TOutputImage::Pointer       OutputImagePointer;
00101   typedef ImageRegionIterator<InputImageType>  OutputImageIterator;
00102   typedef typename OutputImageType::RegionType OutputImageRegionType;
00103 
00105   typedef typename TOutputImage::PixelType   PixelType;
00106 
00108   typedef typename InterpolatorType::Pointer              InterpolatorPointer;
00109   typedef typename InterpolatorType::ContinuousIndexType  ContinuousIndexType;
00110 
00112   typedef Image< TCoordType, itkGetStaticConstMacro(ImageDimension) > CoordImageType;
00113 
00115   typedef ImageToImageFilterDetail::ImageRegionCopier<itkGetStaticConstMacro(ImageDimension),itkGetStaticConstMacro(ImageDimension)>     RegionCopierType; 
00116 
00121   void SetInputImage (const TInputImage * inputImage);
00122 
00125   void SetInterpolationCoordinate (const CoordImageType * coordinate, unsigned int setDimension);
00126 
00128   itkSetMacro(DefaultPixelValue,PixelType);
00129 
00131   itkGetConstMacro(DefaultPixelValue,PixelType);
00132 
00134   InterpolatorPointer GetInterpolator()
00135     { return m_Interpolator; }
00136 
00139   void GenerateOutputInformation();
00140 
00142   void GenerateInputRequestedRegion();
00143 
00144 #ifdef ITK_USE_CONCEPT_CHECKING
00145 
00146   itkConceptMacro(InputHasNumericTraitsCheck,
00147     (Concept::HasNumericTraits<typename TInputImage::PixelType>));
00148 
00150 #endif
00151 
00152 protected:
00158   void ThreadedGenerateData( const OutputImageRegionType& outputRegionForThread,
00159                              int threadId );
00160   void BeforeThreadedGenerateData();
00162 
00163   InterpolateImagePointsFilter();
00164   ~InterpolateImagePointsFilter(){};
00165   void PrintSelf(std::ostream& os, Indent indent) const;
00166     
00167 private:
00168 
00170   typedef typename CoordImageType::Pointer         CoordImageTypePointer;
00171   typedef ImageRegionConstIterator<CoordImageType> CoordImageIterator;
00172   typedef typename CoordImageType::RegionType      CoordImageRegionType;
00173 
00174   InterpolateImagePointsFilter( const Self& ); //purposely not implemented
00175   void operator=( const Self& ); //purposely not implemented
00176 
00177   InterpolatorPointer      m_Interpolator;
00178   PixelType                m_DefaultPixelValue; // default pixel value if the
00179                                                 // point is outside the image
00180 };
00181 
00182 } // namespace itk
00183 
00184 #ifndef ITK_MANUAL_INSTANTIATION
00185 #include "itkInterpolateImagePointsFilter.txx"
00186 #endif
00187 
00188 #endif
00189 

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