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<typename TParametersValueType, unsigned int NDimensions>
class ITK_TEMPLATE_EXPORT TimeVaryingVelocityFieldTransform :
  public VelocityFieldTransform<TParametersValueType, NDimensions>
{
public:
  ITK_DISALLOW_COPY_AND_ASSIGN(TimeVaryingVelocityFieldTransform);

  using Self = TimeVaryingVelocityFieldTransform;
  using Superclass = VelocityFieldTransform<TParametersValueType, NDimensions>;
  using Pointer = SmartPointer<Self>;
  using ConstPointer = SmartPointer<const Self>;

  itkTypeMacro( TimeVaryingVelocityFieldTransform, VelocityFieldTransform );

  itkNewMacro( Self );

  using InverseTransformBasePointer = typename Superclass::InverseTransformBasePointer;

  using InterpolatorType = typename Superclass::InterpolatorType;
  using VelocityFieldIntegratorType = typename Superclass::VelocityFieldInterpolatorType;

  using DisplacementFieldType = typename Superclass::DisplacementFieldType;
  using VelocityFieldType = typename Superclass::VelocityFieldType;

  using TimeVaryingVelocityFieldType = VelocityFieldType;
  using TimeVaryingVelocityFieldPointer = typename VelocityFieldType::Pointer;

  using ScalarType = typename Superclass::ScalarType;

  using ParametersType = typename Superclass::ParametersType;
  using ParametersValueType = typename ParametersType::ValueType;
  using FixedParametersType = typename Superclass::FixedParametersType;
  using FixedParametersValueType = typename FixedParametersType::ValueType;
  using NumberOfParametersType = typename Superclass::NumberOfParametersType;

  using DerivativeType = typename Superclass::DerivativeType;

  using TransformPointer = typename Transform<TParametersValueType,NDimensions, NDimensions>::Pointer;

#if ! defined ( ITK_LEGACY_REMOVE )
  VelocityFieldType * GetTimeVaryingVelocityField()
    {
    return this->GetModifiableVelocityField();
    }
#endif
  VelocityFieldType * GetModifiableTimeVaryingVelocityField()
    {
    return this->GetModifiableVelocityField();
    }
  const VelocityFieldType * GetTimeVaryingVelocityField() const
    {
    return this->GetVelocityField();
    }

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

  void IntegrateVelocityField() override;

protected:
  TimeVaryingVelocityFieldTransform() = default;
  ~TimeVaryingVelocityFieldTransform() override = default;
};

} // end namespace itk

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

#endif // itkTimeVaryingVelocityFieldTransform_h