itkGaussianSmoothVectorFieldFilter.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 itkGaussianSmoothVectorFieldFilter_h
#define itkGaussianSmoothVectorFieldFilter_h
#include "itkSmoothVectorFieldFilter.h"
#include <itkGaussianOperator.h>
#include <itkFixedArray.h>

namespace itk {
template <
    class TScalarType,                     // Data type for the vectors
    unsigned int NumberImageDimensions,    // Number of image dimensions
    unsigned int NumberVectorDimensions>   // Number of dimensions in the vectors
class ITK_EXPORT GaussianSmoothVectorFieldFilter :
  public SmoothVectorFieldFilter<TScalarType, NumberImageDimensions, NumberVectorDimensions>
{
public:

  typedef GaussianSmoothVectorFieldFilter                      Self;
  typedef SmoothVectorFieldFilter<TScalarType,
                                 NumberImageDimensions,
                                 NumberVectorDimensions>       Superclass;
  typedef SmartPointer<Self>                                   Pointer;
  typedef SmartPointer<const Self>                             ConstPointer;

  itkNewMacro(Self);
  
  itkTypeMacro(GaussianSmoothVectorFieldFilter, SmoothVectorFieldFilter);

  typedef typename Superclass::NeighborhoodOperatorType            NeighborhoodOperatorType;
  typedef GaussianOperator<TScalarType, NumberImageDimensions>     GaussianOperatorType;
  typedef FixedArray<TScalarType, NumberImageDimensions>           SigmaType;
  
  itkGetMacro(Sigma, SigmaType);
  itkSetMacro(Sigma, SigmaType);
  
protected:

  GaussianSmoothVectorFieldFilter();
  ~GaussianSmoothVectorFieldFilter() {};
  
  NeighborhoodOperatorType* CreateOperator(int dimension);

private:

  GaussianSmoothVectorFieldFilter(const Self&); 
  void operator=(const Self&); 

  SigmaType m_Sigma;
  
};

}

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

#endif