itkGaussianSmoothingOnUpdateTimeVaryingVelocityFieldTransform.h

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 *  Copyright Insight Software Consortium
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0.txt
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 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 *=========================================================================*/
#ifndef __itkGaussianSmoothingOnUpdateTimeVaryingVelocityFieldTransform_h
#define __itkGaussianSmoothingOnUpdateTimeVaryingVelocityFieldTransform_h

#include "itkTimeVaryingVelocityFieldTransform.h"

namespace itk
{

template
  <class TScalar, unsigned int NDimensions>
class ITK_EXPORT GaussianSmoothingOnUpdateTimeVaryingVelocityFieldTransform
: public TimeVaryingVelocityFieldTransform<TScalar, NDimensions>
{
public:
  typedef GaussianSmoothingOnUpdateTimeVaryingVelocityFieldTransform   Self;
  typedef TimeVaryingVelocityFieldTransform<TScalar, NDimensions>      Superclass;
  typedef SmartPointer<Self>                                           Pointer;
  typedef SmartPointer<const Self>                                     ConstPointer;

  itkTypeMacro( GaussianSmoothingOnUpdateTimeVaryingVelocityFieldTransform,
                                                TimeVaryingVelocityFieldTransform );

  itkSimpleNewMacro( Self );

  itkStaticConstMacro( TimeVaryingVelocityFieldDimension, unsigned int, NDimensions+1 );

  typedef typename Superclass::ScalarType                         ScalarType;
  typedef typename Superclass::DerivativeType                     DerivativeType;
  typedef typename DerivativeType::ValueType                      DerivativeValueType;
  typedef typename Superclass::VelocityFieldType                  VelocityFieldType;

  typedef typename Superclass::TimeVaryingVelocityFieldType       TimeVaryingVelocityFieldType;
  typedef typename Superclass::TimeVaryingVelocityFieldPointer    TimeVaryingVelocityFieldPointer;

  typedef typename VelocityFieldType::PixelType                   DisplacementVectorType;
  typedef typename DisplacementVectorType::ValueType              DisplacementVectorValueType;


  itkSetMacro( GaussianSpatialSmoothingVarianceForTheUpdateField, ScalarType );
  itkGetConstReferenceMacro( GaussianSpatialSmoothingVarianceForTheUpdateField, ScalarType );

  itkSetMacro( GaussianTemporalSmoothingVarianceForTheUpdateField, ScalarType );
  itkGetConstReferenceMacro( GaussianTemporalSmoothingVarianceForTheUpdateField, ScalarType );

  itkSetMacro( GaussianSpatialSmoothingVarianceForTheTotalField, ScalarType );
  itkGetConstReferenceMacro( GaussianSpatialSmoothingVarianceForTheTotalField, ScalarType );

  itkSetMacro( GaussianTemporalSmoothingVarianceForTheTotalField, ScalarType );
  itkGetConstReferenceMacro( GaussianTemporalSmoothingVarianceForTheTotalField, ScalarType );

  virtual void UpdateTransformParameters( const DerivativeType & update, ScalarType factor = 1.0 );

  virtual TimeVaryingVelocityFieldPointer GaussianSmoothTimeVaryingVelocityField( VelocityFieldType *, ScalarType, ScalarType );

protected:
  GaussianSmoothingOnUpdateTimeVaryingVelocityFieldTransform();
  virtual ~GaussianSmoothingOnUpdateTimeVaryingVelocityFieldTransform();
  void PrintSelf( std::ostream& os, Indent indent ) const;

  ModifiedTimeType                  m_GaussianSmoothingTempFieldModifiedTime;

  ScalarType                        m_GaussianSpatialSmoothingVarianceForTheUpdateField;
  ScalarType                        m_GaussianSpatialSmoothingVarianceForTheTotalField;
  ScalarType                        m_GaussianTemporalSmoothingVarianceForTheUpdateField;
  ScalarType                        m_GaussianTemporalSmoothingVarianceForTheTotalField;

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

};

} // end namespace itk

#ifndef ITK_MANUAL_INSTANTIATION
# include "itkGaussianSmoothingOnUpdateTimeVaryingVelocityFieldTransform.hxx"
#endif

#endif // __itkGaussianSmoothingOnUpdateTimeVaryingVelocityFieldTransform_h