itkExtensionVelocitiesImageFilter.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 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_ASSIGN(ExtensionVelocitiesImageFilter);

  using Self = ExtensionVelocitiesImageFilter;
  using Superclass = ReinitializeLevelSetImageFilter< TLevelSet >;
  using Pointer = SmartPointer< Self >;
  using ConstPointer = SmartPointer< const Self >;

  itkNewMacro(Self);

  itkTypeMacro(ExtensionVelocitiesImageFilter, ReinitializeLevelSetImageFilter);

  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