itkTimeVaryingVelocityFieldTransform.h

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/*=========================================================================
 *
 *  Copyright NumFOCUS
 *
 *  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
 *
 *         https://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 VDimension>
class ITK_TEMPLATE_EXPORT TimeVaryingVelocityFieldTransform
  : public VelocityFieldTransform<TParametersValueType, VDimension>
{
public:
  ITK_DISALLOW_COPY_AND_MOVE(TimeVaryingVelocityFieldTransform);

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

  itkOverrideGetNameOfClassMacro(TimeVaryingVelocityFieldTransform);

  itkNewMacro(Self);

  using typename Superclass::InverseTransformBasePointer;

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

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

  using typename Superclass::ScalarType;

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

  using typename Superclass::DerivativeType;
 
  using TransformPointer = typename Transform<TParametersValueType, VDimension, VDimension>::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