itkDisplacementVectorCoordinateAdaptionPixelAccessor.h

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

  NifTK: A software platform for medical image computing.

  Copyright (c) University College London (UCL). All rights reserved.

  This software is distributed WITHOUT ANY WARRANTY; without even
  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
  PURPOSE.

  See LICENSE.txt in the top level directory for details.

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

#ifndef itkDisplacementVectorCoordinateAdaptionPixelAccessor_h
#define itkDisplacementVectorCoordinateAdaptionPixelAccessor_h

#include <itkVector.h>
#include <itkMatrix.h>
#include <niftkITKWin32ExportHeader.h>

/*
 * \brief   Class for performing the pixel based operation
 *
 */
template<unsigned int Dimension = 3, class VectorComponentType = float>
class ITK_EXPORT itkDisplacementVectorCoordinateAdaptionPixelAccessor
{
  public:

  /*
   * Some typedefs
   */
  typedef itk::Vector<VectorComponentType, Dimension> InternalType;
  typedef itk::Vector<VectorComponentType, Dimension> ExternalType;


  typedef double MatrixElementType;
  typedef itk::Vector<MatrixElementType, Dimension + 1> InternalHomogenousVectorType;
  typedef itk::Matrix< MatrixElementType, Dimension + 1, Dimension + 1 > HomogenousMatrixType;

  /*
   * \brief    Get the pixel value
   * \details  The conversion of the pixel value is performed here.
   */
  ExternalType Get( const InternalType & in ) const;


  /*
   * \brief  Constructor
   */
  itkDisplacementVectorCoordinateAdaptionPixelAccessor();


  /*
   * \brief  Destructor
   */
  virtual ~itkDisplacementVectorCoordinateAdaptionPixelAccessor();

  /*
   * \brief  Set the homogenous matrix
   */
  void SetHomogenousMatrix( const HomogenousMatrixType & hohogenousMatrixIn );

  private:
  HomogenousMatrixType m_matrix;  
};

#include "itkDisplacementVectorCoordinateAdaptionPixelAccessor.txx"

#endif /* ITKDISPLACEMENTVECTORCOORDINATEADAPTIONPIXELACCESSOR_H_ */