itkCollidingFrontsImageFilter.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 itkCollidingFrontsImageFilter_h
#define itkCollidingFrontsImageFilter_h
 
#include "itkFastMarchingUpwindGradientImageFilter.h"
#include "itkImageToImageFilter.h"
 
namespace itk
{
template <typename TInputImage, typename TOutputImage>
class ITK_TEMPLATE_EXPORT CollidingFrontsImageFilter : public ImageToImageFilter<TInputImage, TOutputImage>
{
public:
  ITK_DISALLOW_COPY_AND_MOVE(CollidingFrontsImageFilter);

  using Self = CollidingFrontsImageFilter;
  using Superclass = ImageToImageFilter<TInputImage, TOutputImage>;
  using Pointer = SmartPointer<Self>;
  using ConstPointer = SmartPointer<const Self>;

  itkNewMacro(Self);

  itkOverrideGetNameOfClassMacro(CollidingFrontsImageFilter);

  using OutputPixelType = typename TOutputImage::PixelType;
  using InputPixelType = typename TInputImage::PixelType;
  using RealType = typename NumericTraits<InputPixelType>::RealType;

  static constexpr unsigned int ImageDimension = TOutputImage::ImageDimension;

  using InputImageType = TInputImage;
  using SpeedImageType = TInputImage;
  using InputImagePointer = typename InputImageType::Pointer;
  using OutputImageType = TOutputImage;
  using LevelSetImageType = TOutputImage;
  using OutputImagePointer = typename OutputImageType::Pointer;

  using typename Superclass::OutputImageRegionType;

  using FastMarchingUpwindGradientImageFilterType =
    itk::FastMarchingUpwindGradientImageFilter<LevelSetImageType, SpeedImageType>;

  using PixelType = typename FastMarchingUpwindGradientImageFilterType::PixelType;
  using NodeType = typename FastMarchingUpwindGradientImageFilterType::NodeType;
  using NodeContainer = typename FastMarchingUpwindGradientImageFilterType::NodeContainer;
  using NodeContainerPointer = typename FastMarchingUpwindGradientImageFilterType::NodeContainerPointer;
  using GradientImageType = typename FastMarchingUpwindGradientImageFilterType::GradientImageType;
  using IndexType = typename FastMarchingUpwindGradientImageFilterType::IndexType;

  void
  SetSeedPoints1(NodeContainer * points)
  {
    m_SeedPoints1 = points;
    this->Modified();
  }


  NodeContainerPointer
  GetSeedPoints1()
  {
    return m_SeedPoints1;
  }

  void
  SetSeedPoints2(NodeContainer * points)
  {
    m_SeedPoints2 = points;
    this->Modified();
  }


  NodeContainerPointer
  GetSeedPoints2()
  {
    return m_SeedPoints2;
  }
 
  itkSetMacro(NegativeEpsilon, double);
  itkGetConstMacro(NegativeEpsilon, double);
 
  itkSetMacro(ApplyConnectivity, bool);
  itkGetConstMacro(ApplyConnectivity, bool);
  itkBooleanMacro(ApplyConnectivity);
 
  itkSetMacro(StopOnTargets, bool);
  itkGetConstMacro(StopOnTargets, bool);
  itkBooleanMacro(StopOnTargets);
 
  itkConceptMacro(InputHasNumericTraitsCheck, (Concept::HasNumericTraits<InputPixelType>));
 
protected:
  CollidingFrontsImageFilter();
  ~CollidingFrontsImageFilter() override = default;
 
  void
  GenerateData() override;
 
  void
  PrintSelf(std::ostream &, Indent) const override;
 
private:
  NodeContainerPointer m_SeedPoints1{};
  NodeContainerPointer m_SeedPoints2{};
 
  bool m_StopOnTargets{};
  bool m_ApplyConnectivity{};
 
  double m_NegativeEpsilon{};
};
} // end namespace itk
 
#ifndef ITK_MANUAL_INSTANTIATION
#  include "itkCollidingFrontsImageFilter.hxx"
#endif
 
#endif