itkExtensionVelocitiesImageFilter.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 itkExtensionVelocitiesImageFilter_h
#define itkExtensionVelocitiesImageFilter_h
 
#include "itkLevelSetVelocityNeighborhoodExtractor.h"
#include "itkFastMarchingExtensionImageFilter.h"
#include "itkReinitializeLevelSetImageFilter.h"
 
namespace itk
{
template <typename TLevelSet, typename TAuxValue = float, unsigned int VAuxDimension = 1>
class ITK_TEMPLATE_EXPORT ExtensionVelocitiesImageFilter : public ReinitializeLevelSetImageFilter<TLevelSet>
{
public:
  ITK_DISALLOW_COPY_AND_MOVE(ExtensionVelocitiesImageFilter);
 
  using Self = ExtensionVelocitiesImageFilter;
  using Superclass = ReinitializeLevelSetImageFilter<TLevelSet>;
  using Pointer = SmartPointer<Self>;
  using ConstPointer = SmartPointer<const Self>;
 
  itkNewMacro(Self);
 
  itkOverrideGetNameOfClassMacro(ExtensionVelocitiesImageFilter);
 
  using LevelSetType = LevelSetTypeDefault<TLevelSet>;
  using LevelSetPointer = typename LevelSetType::LevelSetPointer;
  using LevelSetConstPointer = typename LevelSetType::LevelSetConstPointer;
  using PixelType = typename LevelSetType::PixelType;
  using NodeType = typename LevelSetType::NodeType;
  using NodeContainer = typename LevelSetType::NodeContainer;
  using NodeContainerPointer = typename LevelSetType::NodeContainerPointer;
 
  static constexpr unsigned int SetDimension = LevelSetType::SetDimension;
 
  using AuxVarType = AuxVarTypeDefault<TAuxValue, VAuxDimension, Self::SetDimension>;
  using AuxValueType = typename AuxVarType::AuxValueType;
  using AuxValueVectorType = typename AuxVarType::AuxValueVectorType;
  using AuxValueContainer = typename AuxVarType::AuxValueContainer;
  using AuxImageType = typename AuxVarType::AuxImageType;
  using AuxImagePointer = typename AuxVarType::AuxImagePointer;
  using AuxImageConstPointer = typename AuxVarType::AuxImageConstPointer;
 
  static constexpr unsigned int AuxDimension = VAuxDimension;
 
  void
  SetInputVelocityImage(const AuxImageType * ptr, unsigned int idx = 0);
 
  const AuxImageType *
  GetInputVelocityImage(unsigned int idx = 0);
 
  AuxImageType *
  GetOutputVelocityImage(unsigned int idx = 0);
 
#ifdef ITK_USE_CONCEPT_CHECKING
  // Begin concept checking
  itkConceptMacro(AuxValueHasNumericTraitsCheck, (Concept::HasNumericTraits<TAuxValue>));
  itkConceptMacro(LevelSetOStreamWritableCheck, (Concept::OStreamWritable<PixelType>));
  // End concept checking
#endif
 
protected:
  ExtensionVelocitiesImageFilter();
  ~ExtensionVelocitiesImageFilter() override = default;
 
  void
  GenerateDataFull() override;
 
  void
  GenerateDataNarrowBand() override;
 
  void
  AllocateOutput() override;
 
  void
  EnlargeOutputRequestedRegion(DataObject *) override;
 
private:
  using SpeedImageType = Image<float, Self::SetDimension>;
 
  using LocatorType = LevelSetVelocityNeighborhoodExtractor<TLevelSet, TAuxValue, VAuxDimension>;
  using FastMarchingImageFilterType =
    FastMarchingExtensionImageFilter<TLevelSet, TAuxValue, VAuxDimension, SpeedImageType>;
 
  typename LocatorType::Pointer m_Locator{};
 
  typename FastMarchingImageFilterType::Pointer m_Marcher{};
};
} // namespace itk
 
#ifndef ITK_MANUAL_INSTANTIATION
#  include "itkExtensionVelocitiesImageFilter.hxx"
#endif
 
#endif