itkLevelSetEquationChanAndVeseExternalTerm.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
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 *         https://www.apache.org/licenses/LICENSE-2.0.txt
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 *  distributed under the License is distributed on an "AS IS" BASIS,
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 *  See the License for the specific language governing permissions and
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#ifndef itkLevelSetEquationChanAndVeseExternalTerm_h
#define itkLevelSetEquationChanAndVeseExternalTerm_h
 
#include "itkLevelSetEquationChanAndVeseInternalTerm.h"
#include "itkNumericTraits.h"
 
namespace itk
{
template <typename TInput, // Input image or mesh
          typename TLevelSetContainer>
class ITK_TEMPLATE_EXPORT LevelSetEquationChanAndVeseExternalTerm
  : public LevelSetEquationChanAndVeseInternalTerm<TInput, TLevelSetContainer>
{
public:
  ITK_DISALLOW_COPY_AND_MOVE(LevelSetEquationChanAndVeseExternalTerm);
 
  using Self = LevelSetEquationChanAndVeseExternalTerm;
  using Pointer = SmartPointer<Self>;
  using ConstPointer = SmartPointer<const Self>;
  using Superclass = LevelSetEquationChanAndVeseInternalTerm<TInput, TLevelSetContainer>;

  itkNewMacro(Self);

  itkOverrideGetNameOfClassMacro(LevelSetEquationChanAndVeseExternalTerm);
 
  using typename Superclass::InputImageType;
  using typename Superclass::InputImagePointer;
  using typename Superclass::InputPixelType;
  using typename Superclass::InputPixelRealType;
 
  using typename Superclass::LevelSetContainerType;
  using typename Superclass::LevelSetContainerPointer;
  using typename Superclass::LevelSetType;
  using typename Superclass::LevelSetPointer;
  using typename Superclass::LevelSetOutputPixelType;
  using typename Superclass::LevelSetOutputRealType;
  using typename Superclass::LevelSetInputIndexType;
  using typename Superclass::LevelSetGradientType;
  using typename Superclass::LevelSetHessianType;
  using typename Superclass::LevelSetIdentifierType;
 
  using typename Superclass::DomainMapImageFilterType;
  using typename Superclass::CacheImageType;
 
  using DomainIteratorType = typename DomainMapImageFilterType::DomainMapType::const_iterator;
 
  using IdListType = typename LevelSetContainerType::IdListType;
  using IdListIterator = typename LevelSetContainerType::IdListIterator;
  using IdListConstIterator = typename LevelSetContainerType::IdListConstIterator;
 
  using typename Superclass::HeavisideType;
  using typename Superclass::HeavisideConstPointer;

  void
  ComputeProduct(const LevelSetInputIndexType & iP, LevelSetOutputRealType & prod) override;

  void
  ComputeProductTerm(const LevelSetInputIndexType & iP, LevelSetOutputRealType & prod) override;

  void
  UpdatePixel(const LevelSetInputIndexType & iP,
              const LevelSetOutputRealType & oldValue,
              const LevelSetOutputRealType & newValue) override;
 
protected:
  LevelSetEquationChanAndVeseExternalTerm();
  ~LevelSetEquationChanAndVeseExternalTerm() override = default;
 
private:
  DomainMapImageFilterType * m_DomainMapImageFilter{};
  CacheImageType *           m_CacheImage{};
};
 
} // namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
#  include "itkLevelSetEquationChanAndVeseExternalTerm.hxx"
#endif
 
#endif