otbSpectralAngleDistanceImageFilter.h

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/*
 * Copyright (C) 2005-2022 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 otbSpectralAngleDistanceImageFilter_h
#define otbSpectralAngleDistanceImageFilter_h
 
#include "itkImageToImageFilter.h"
 
namespace otb
{
template <class TInputImage, class TOutputImage>
class ITK_EXPORT SpectralAngleDistanceImageFilter : public itk::ImageToImageFilter<TInputImage, TOutputImage>
{
public:
  typedef SpectralAngleDistanceImageFilter Self;
  typedef itk::ImageToImageFilter<TInputImage, TOutputImage> Superclass;
  typedef itk::SmartPointer<Self>       Pointer;
  typedef itk::SmartPointer<const Self> ConstPointer;
 
  itkNewMacro(Self);
 
  itkTypeMacro(SpectralAngleDistanceImageFilter, itk::ImageToImageFilter);
 
  typedef TInputImage                           InputImageType;
  typedef typename InputImageType::ConstPointer InputImageConstPointerType;
  typedef typename InputImageType::RegionType   InputImageRegionType;
  typedef typename InputImageType::PixelType    InputPixelType;
  typedef TOutputImage                          OutputImageType;
  typedef typename OutputImageType::Pointer     OutputImagePointerType;
  typedef typename OutputImageType::RegionType  OutputImageRegionType;
  typedef typename OutputImageType::PixelType   OutputPixelType;
 
  itkGetConstReferenceMacro(ReferencePixel, InputPixelType);
  itkSetMacro(ReferencePixel, InputPixelType);
 
protected:
  SpectralAngleDistanceImageFilter();
 
  ~SpectralAngleDistanceImageFilter() override
  {
  }
 
  void PrintSelf(std::ostream& os, itk::Indent indent) const override;
 
  void ThreadedGenerateData(const OutputImageRegionType& outputRegionForThread, itk::ThreadIdType threadId) override;
 
  void BeforeThreadedGenerateData() override;
 
private:
  SpectralAngleDistanceImageFilter(const Self&) = delete;
  void operator=(const Self&) = delete;
 
  InputPixelType m_ReferencePixel;
};
} // End namespace otb
#ifndef OTB_MANUAL_INSTANTIATION
#include "otbSpectralAngleDistanceImageFilter.hxx"
#endif
 
#endif