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itkVectorExpandImageFilter.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkVectorExpandImageFilter.h,v $
00005   Language:  C++
00006   Date:      $Date: 2009-05-19 20:36:25 $
00007   Version:   $Revision: 1.17 $
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 __itkVectorExpandImageFilter_h
00018 #define __itkVectorExpandImageFilter_h
00019 
00020 #include "itkImageToImageFilter.h"
00021 #include "itkVectorInterpolateImageFunction.h"
00022 #include "itkVectorLinearInterpolateImageFunction.h"
00023 
00024 namespace itk
00025 {
00026 
00083 template <class TInputImage, class TOutputImage>
00084 class ITK_EXPORT VectorExpandImageFilter:
00085   public ImageToImageFilter<TInputImage,TOutputImage>
00086 {
00087 public:
00089   typedef VectorExpandImageFilter                       Self;
00090   typedef ImageToImageFilter<TInputImage,TOutputImage>  Superclass;
00091   typedef SmartPointer<Self>                            Pointer;
00092   typedef SmartPointer<const Self>                      ConstPointer;
00093 
00095   itkNewMacro(Self);  
00096 
00098   typedef typename TInputImage::Pointer     InputImagePointer;
00099   typedef typename TOutputImage::Pointer    OutputImagePointer;
00100   typedef typename TOutputImage::RegionType OutputImageRegionType;
00101 
00103   itkTypeMacro(VectorExpandImageFilter, ImageToImageFilter);
00104 
00106   itkStaticConstMacro(ImageDimension, unsigned int,
00107                       TInputImage::ImageDimension);
00108 
00110   typedef typename Superclass::InputImageType  InputImageType;
00111   typedef typename Superclass::OutputImageType OutputImageType;
00112 
00114   typedef typename OutputImageType::PixelType  OutputPixelType;
00115   typedef typename OutputPixelType::ValueType  OutputValueType;
00116   typedef typename InputImageType::PixelType   InputPixelType;
00117   typedef typename InputPixelType::ValueType   InputValueType;
00118 
00120   enum { VectorDimension = InputPixelType::Dimension };
00121 
00123   typedef float  ExpandFactorsType;
00124 
00126   typedef double                             CoordRepType;
00127   typedef VectorInterpolateImageFunction<InputImageType,CoordRepType> 
00128                                              InterpolatorType;
00129   typedef typename InterpolatorType::Pointer InterpolatorPointer;
00130   typedef VectorLinearInterpolateImageFunction<InputImageType,CoordRepType> 
00131                                              DefaultInterpolatorType;
00132 
00134   itkSetObjectMacro( Interpolator, InterpolatorType );
00135 
00137   itkGetObjectMacro( Interpolator, InterpolatorType );
00138 
00141   virtual void SetExpandFactors( const ExpandFactorsType factors[] );
00142   virtual void SetExpandFactors( const ExpandFactorsType factor );
00143   virtual void SetExpandFactors( const unsigned int factors[] );
00145 
00147   const ExpandFactorsType * GetExpandFactors() const
00148     { return m_ExpandFactors; }
00149 
00151   virtual void SetEdgePaddingValue( const OutputPixelType& value );
00152 
00154   virtual const OutputPixelType& GetEdgePaddingValue()
00155     { return m_EdgePaddingValue; }
00156 
00163   virtual void GenerateOutputInformation();
00164 
00170   virtual void GenerateInputRequestedRegion();
00171 
00172 #ifdef ITK_USE_CONCEPT_CHECKING
00173 
00174   itkConceptMacro(InputHasNumericTraitsCheck,
00175                   (Concept::HasNumericTraits<InputValueType>));
00176   itkConceptMacro(OutputHasNumericTraitsCheck,
00177                   (Concept::HasNumericTraits<OutputValueType>));
00178 
00180 #endif
00181 
00182 protected:
00183 
00184   VectorExpandImageFilter();
00185   ~VectorExpandImageFilter() {};
00186   void PrintSelf(std::ostream& os, Indent indent) const;
00187 
00196   virtual
00197   void ThreadedGenerateData(const OutputImageRegionType& outputRegionForThread,
00198                             int threadId );
00199 
00202   virtual void BeforeThreadedGenerateData();
00203 
00204 private:
00205   VectorExpandImageFilter(const Self&); //purposely not implemented
00206   void operator=(const Self&); //purposely not implemented
00207 
00208   ExpandFactorsType      m_ExpandFactors[ImageDimension];
00209   InterpolatorPointer    m_Interpolator;
00210   OutputPixelType        m_EdgePaddingValue;
00211  
00212 };
00213 
00214 } // end namespace itk
00215 
00216 #ifndef ITK_MANUAL_INSTANTIATION
00217 #include "itkVectorExpandImageFilter.txx"
00218 #endif
00219 
00220 #endif
00221 

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