itkEigenAnalysis2DImageFilter.h

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/*=========================================================================

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkEigenAnalysis2DImageFilter.h,v $
  Language:  C++
  Date:      $Date: 2008-10-14 19:20:33 $
  Version:   $Revision: 1.17 $

  Copyright (c) Insight Software Consortium. All rights reserved.
  See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even 
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
     PURPOSE.  See the above copyright notices for more information.

=========================================================================*/
#ifndef __itkEigenAnalysis2DImageFilter_h
#define __itkEigenAnalysis2DImageFilter_h

#include "itkImageToImageFilter.h"


namespace itk {
  
template <class TInputImage, class TEigenValueImage, class TEigenVectorImage >
class ITK_EXPORT EigenAnalysis2DImageFilter:
    public ImageToImageFilter<TInputImage,TEigenValueImage>
{
public:
  typedef EigenAnalysis2DImageFilter                       Self;
  typedef ImageToImageFilter<TInputImage,TEigenValueImage> Superclass;
  typedef SmartPointer<Self>                               Pointer;
  typedef SmartPointer<const Self>                         ConstPointer;

  itkTypeMacro( EigenAnalysis2DImageFilter, ImageToImageFilter );

  itkNewMacro(Self);

  typedef typename TEigenVectorImage::PixelType     EigenVectorType;
  typedef typename EigenVectorType::ValueType       VectorComponentType;

  typedef typename Superclass::OutputImageRegionType OutputImageRegionType;

  typedef TEigenValueImage                          EigenValueImageType;
  typedef typename EigenValueImageType::Pointer     EigenValueImagePointer;
  typedef typename EigenValueImageType::RegionType  EigenValueImageRegionType; 
  typedef typename EigenValueImageType::PixelType   EigenValueImagePixelType; 
  typedef TEigenVectorImage                         EigenVectorImageType;
  typedef typename EigenVectorImageType::Pointer    EigenVectorImagePointer;
  typedef typename EigenVectorImageType::RegionType EigenVectorImageRegionType;
  typedef typename EigenVectorImageType::PixelType  EigenVectorImagePixelType;

  itkStaticConstMacro(ImageDimension, unsigned int,
                      TInputImage::ImageDimension);

  void SetInput1( TInputImage * image1);

  void SetInput2( TInputImage * image2);

  void SetInput3( TInputImage * image3);

  EigenValueImageType * GetMaxEigenValue( void );

  EigenValueImageType * GetMinEigenValue( void );

  EigenVectorImageType * GetMaxEigenVector( void );

  DataObject::Pointer MakeOutput(unsigned int idx);

#ifdef ITK_USE_CONCEPT_CHECKING

  itkConceptMacro(VectorComponentHasNumericTraitsCheck,
    (Concept::HasNumericTraits<VectorComponentType>));

#endif

protected:
  EigenAnalysis2DImageFilter();
  virtual ~EigenAnalysis2DImageFilter() {};
  
  void GenerateData( void );

private:
  EigenAnalysis2DImageFilter(const Self&); //purposely not implemented
  void operator=(const Self&); //purposely not implemented

};

} // end namespace itk

#ifndef ITK_MANUAL_INSTANTIATION
#include "itkEigenAnalysis2DImageFilter.txx"
#endif

#endif

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