otbPixelSuppressionByDirectionImageFilter.h

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/*
 * Copyright (C) 2005-2024 Centre National d'Etudes Spatiales (CNES)
 *
 * This file is part of Orfeo Toolbox
 *
 *     https://www.orfeo-toolbox.org/
 *
 * 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
 *
 * 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 otbPixelSuppressionByDirectionImageFilter_h
#define otbPixelSuppressionByDirectionImageFilter_h
 
#include "itkImageToImageFilter.h"
#include "itkImage.h"
#include "itkNumericTraits.h"
 
namespace otb
{
 
template <class TInputImage, class TOutputImage>
class ITK_EXPORT PixelSuppressionByDirectionImageFilter : public itk::ImageToImageFilter<TInputImage, TOutputImage>
{
public:
  itkStaticConstMacro(InputImageDimension, unsigned int, TInputImage::ImageDimension);
  itkStaticConstMacro(OutputImageDimension, unsigned int, TOutputImage::ImageDimension);
 
  typedef TInputImage  InputImageType;
  typedef TOutputImage OutputImageType;
 
  typedef PixelSuppressionByDirectionImageFilter Self;
  typedef itk::ImageToImageFilter<InputImageType, OutputImageType> Superclass;
  typedef itk::SmartPointer<Self>       Pointer;
  typedef itk::SmartPointer<const Self> ConstPointer;
 
  itkNewMacro(Self);
 
  itkTypeMacro(PixelSuppressionByDirectionImageFilter, ImageToImageFilter);
 
  typedef typename InputImageType::PixelType  InputPixelType;
  typedef typename OutputImageType::PixelType OutputPixelType;
 
  typedef typename itk::NumericTraits<InputPixelType>::RealType InputRealType;
 
  typedef typename InputImageType::RegionType  InputImageRegionType;
  typedef typename OutputImageType::RegionType OutputImageRegionType;
 
  typedef typename InputImageType::SizeType SizeType;
 
  itkSetMacro(Radius, SizeType);
 
  itkGetConstReferenceMacro(Radius, SizeType);
 
  itkSetMacro(AngularBeam, InputRealType);
 
  itkGetConstReferenceMacro(AngularBeam, InputRealType);
 
  void SetInputImage(const InputImageType* image);
  const InputImageType* GetInputImage(void);
 
  void SetInputImageDirection(const InputImageType* image);
  const InputImageType* GetInputImageDirection(void);
 
  void GenerateInputRequestedRegion() override;
 
protected:
  PixelSuppressionByDirectionImageFilter();
  ~PixelSuppressionByDirectionImageFilter() override
  {
  }
  void PrintSelf(std::ostream& os, itk::Indent indent) const override;
 
  void DynamicThreadedGenerateData(const OutputImageRegionType& outputRegionForThread) override;
 
private:
  PixelSuppressionByDirectionImageFilter(const Self&) = delete;
  void operator=(const Self&) = delete;
 
  // Radius of the region
  SizeType m_Radius;
  // Angular Accuracy on the direction of the central pixel
  InputRealType m_AngularBeam;
};
} // end namespace otb
 
#ifndef OTB_MANUAL_INSTANTIATION
#include "otbPixelSuppressionByDirectionImageFilter.hxx"
#endif
 
#endif