otbWatershedSegmentationFilter.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 otbWatershedSegmentationFilter_h
#define otbWatershedSegmentationFilter_h
 
#include "otbMacro.h"
#include "itkUnaryFunctorImageFilter.h"
#include "itkCastImageFilter.h"
#include "itkWatershedImageFilter.h"
 
namespace otb
{
 
template <class TInputImage, class TOutputLabelImage>
class WatershedSegmentationFilter : public itk::ImageToImageFilter<TInputImage, TOutputLabelImage>
{
public:
  typedef WatershedSegmentationFilter Self;
  typedef itk::ImageToImageFilter<TInputImage, TOutputLabelImage> Superclass;
  typedef itk::SmartPointer<Self>       Pointer;
  typedef itk::SmartPointer<const Self> ConstPointer;
 
  typedef TInputImage       InputImageType;
  typedef TOutputLabelImage OutputLabelImageType;
 
  typedef itk::WatershedImageFilter<TInputImage>        WatershedFilterType;
  typedef typename WatershedFilterType::OutputImageType InternalOutputImageType;
 
  typedef itk::CastImageFilter<InternalOutputImageType, OutputLabelImageType> CastImageFilterType;
 
  itkNewMacro(Self);
 
  itkTypeMacro(WatershedSegmentationFilter, ImageToImageFilter);
 
  itkStaticConstMacro(ImageDimension, unsigned int, TInputImage::ImageDimension);
 
  otbSetObjectMemberMacro(WatershedFilter, Level, float);
  otbGetObjectMemberMacro(WatershedFilter, Level, float);
 
  otbSetObjectMemberMacro(WatershedFilter, Threshold, float);
  otbGetObjectMemberMacro(WatershedFilter, Threshold, float);
 
 
protected:
  WatershedSegmentationFilter();
 
  ~WatershedSegmentationFilter() override;
 
  void GenerateData() override;
 
private:
  typename CastImageFilterType::Pointer m_CastFilter;
  typename WatershedFilterType::Pointer m_WatershedFilter;
};
 
 
} // end namespace otb
 
#ifndef OTB_MANUAL_INSTANTIATION
#include "otbWatershedSegmentationFilter.hxx"
#endif
 
#endif