itkTimeVaryingVelocityFieldTransform.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
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  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 __itkTimeVaryingVelocityFieldTransform_h
#define __itkTimeVaryingVelocityFieldTransform_h

#include "itkVelocityFieldTransform.h"

namespace itk
{

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

  itkTypeMacro( TimeVaryingVelocityFieldTransform, VelocityFieldTransform );

  itkNewMacro( Self );

  typedef typename Superclass::InverseTransformBasePointer InverseTransformBasePointer;

  typedef typename Superclass::InterpolatorType                     InterpolatorType;
  typedef typename Superclass::VelocityFieldInterpolatorType        VelocityFieldIntegratorType;

  typedef typename Superclass::DisplacementFieldType                DisplacementFieldType;
  typedef typename Superclass::VelocityFieldType                    VelocityFieldType;

  typedef VelocityFieldType                                         TimeVaryingVelocityFieldType;
  typedef typename VelocityFieldType::Pointer                       TimeVaryingVelocityFieldPointer;

  typedef typename Superclass::ScalarType          ScalarType;

  typedef typename Superclass::ParametersType          ParametersType;
  typedef typename ParametersType::ValueType           ParametersValueType;
  typedef typename Superclass::NumberOfParametersType  NumberOfParametersType;

  typedef typename Superclass::DerivativeType       DerivativeType;

  typedef typename Transform<TScalar,NDimensions,NDimensions>::Pointer TransformPointer;

  typename VelocityFieldType::Pointer GetTimeVaryingVelocityField()
    {
    return this->GetVelocityField();
    }

  virtual void SetTimeVaryingVelocityField( VelocityFieldType * field )
    {
    this->SetVelocityField( field );
    }

  virtual void IntegrateVelocityField();

protected:
  TimeVaryingVelocityFieldTransform();
  virtual ~TimeVaryingVelocityFieldTransform();

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

} // end namespace itk

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

#endif // __itkTimeVaryingVelocityFieldTransform_h