itkHFieldToDeformationFieldImageFilter.h

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// Copied from dtiprocess
// available there: https://www.nitrc.org/projects/dtiprocess/
/*=========================================================================
 
  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkHFieldToDeformationFieldImageFilter.h,v $
  Language:  C++
  Date:      $Date: 2010/03/09 18:01:02 $
  Version:   $Revision: 1.2 $
 
  Copyright (c) Insight Software Consortium. All rights reserved.
  See ITKCopyright.txt or https://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 itkHFieldToDeformationFieldImageFilter_h
#define itkHFieldToDeformationFieldImageFilter_h
 
#include <itkImageToImageFilter.h>
 
namespace itk
{
 
// This functor class invokes the computation of fractional anisotropy from
// every pixel.

template <typename TInputImage,
          typename TOutputImage = TInputImage>
class HFieldToDeformationFieldImageFilter :
  public
  ImageToImageFilter<TInputImage, TOutputImage>
{
public:
  typedef HFieldToDeformationFieldImageFilter           Self;
  typedef ImageToImageFilter<TInputImage, TOutputImage> Superclass;
 
  typedef SmartPointer<Self>       Pointer;
  typedef SmartPointer<const Self> ConstPointer;
 
  typedef typename Superclass::OutputImageType OutputImageType;
  typedef typename TOutputImage::PixelType     OutputPixelType;
  typedef typename Superclass::InputImageType  InputImageType;
  typedef typename TInputImage::PixelType      InputPixelType;
  typedef typename InputPixelType::ValueType   InputValueType;
 
  typedef typename TInputImage::SpacingType SpacingType;

  itkNewMacro(Self);

  void PrintSelf(std::ostream& os, Indent indent) const override
  {
    this->Superclass::PrintSelf( os, indent );
  }
  void PrintSelf(std::ostream& os, Indent indent) const override {…}
 
  // need to override GenerateData (This should be threaded)
  void GenerateData() override;
 
  OutputPixelType ComputeDisplacement(typename InputImageType::ConstPointer input,
                                      typename InputImageType::IndexType ind,
                                      typename InputImageType::PixelType hvec);
protected:
  HFieldToDeformationFieldImageFilter() = default;
  ~HFieldToDeformationFieldImageFilter() override = default;
private:
  HFieldToDeformationFieldImageFilter(const Self &) = delete;
  void operator=(const Self &) = delete;
 
};
class HFieldToDeformationFieldImageFilter : {…};
 
} // end namespace itk
 
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkHFieldToDeformationFieldImageFilter.txx"
#endif
 
#endif