itkElasticBodySplineKernelTransform.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 itkElasticBodySplineKernelTransform_h
#define itkElasticBodySplineKernelTransform_h
 
#include "itkKernelTransform.h"
 
namespace itk
{
template <typename TParametersValueType = double, unsigned int VDimension = 3>
class ITK_TEMPLATE_EXPORT ElasticBodySplineKernelTransform : public KernelTransform<TParametersValueType, VDimension>
{
public:
  ITK_DISALLOW_COPY_AND_MOVE(ElasticBodySplineKernelTransform);

  using Self = ElasticBodySplineKernelTransform;
  using Superclass = KernelTransform<TParametersValueType, VDimension>;
 
  using Pointer = SmartPointer<Self>;
  using ConstPointer = SmartPointer<const Self>;

  itkOverrideGetNameOfClassMacro(ElasticBodySplineKernelTransform);

  itkNewMacro(Self);

  using typename Superclass::ScalarType;

  using typename Superclass::ParametersType;
  using typename Superclass::FixedParametersType;

  using typename Superclass::JacobianType;
  using typename Superclass::JacobianPositionType;
  using typename Superclass::InverseJacobianPositionType;

  static constexpr unsigned int SpaceDimension = Superclass::SpaceDimension;

  itkSetMacro(Alpha, TParametersValueType);

  itkGetConstMacro(Alpha, TParametersValueType);
 
  using typename Superclass::InputPointType;
  using typename Superclass::OutputPointType;
  using typename Superclass::InputVectorType;
  using typename Superclass::OutputVectorType;
  using typename Superclass::InputCovariantVectorType;
  using typename Superclass::OutputCovariantVectorType;

  using InverseTransformBasePointer = typename Superclass::InverseTransformBasePointer;
  InverseTransformBasePointer
  GetInverseTransform() const override
  {
    return Superclass::InvertTransform(*this);
  }
 
protected:
  ElasticBodySplineKernelTransform();
  ~ElasticBodySplineKernelTransform() override = default;
  void
  PrintSelf(std::ostream & os, Indent indent) const override;
 
  using typename Superclass::GMatrixType;
  void
  ComputeG(const InputVectorType & x, GMatrixType & gmatrix) const override;

  TParametersValueType m_Alpha{};
};
} // namespace itk
 
#ifndef ITK_MANUAL_INSTANTIATION
#  include "itkElasticBodySplineKernelTransform.hxx"
#endif
 
#endif // itkElasticBodySplineKernelTransform_h