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/*
* Copyright (C) 2005-2017 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 otbBinaryImageToDensityImageFilter_h
#define otbBinaryImageToDensityImageFilter_h
#include "itkImageToImageFilter.h"
#include "itkDataObject.h"
#include "itkConstNeighborhoodIterator.h"
namespace otb
{
/** \class BinaryImageToDensityImageFilter
* \brief This class performs a streaming isotropic shrinking operation without smoothing.
*
*
* \ingroup OTBImageManipulation
*/
template <class TInputImage, class TOutputImage, class TCountFunction>
class ITK_EXPORT BinaryImageToDensityImageFilter
: public itk::ImageToImageFilter<TInputImage, TOutputImage>
{
public:
/** Standard typedefs */
typedef BinaryImageToDensityImageFilter Self;
typedef itk::ImageToImageFilter<TInputImage, TOutputImage> Superclass;
typedef itk::SmartPointer<Self> Pointer;
typedef itk::SmartPointer<const Self> ConstPointer;
/** Creation through object factory macro */
itkNewMacro(Self);
/** Type macro */
itkTypeMacro(BinaryImageToDensityImageFilter, itk::ImageToImageFilter);
/** Template parameter typedefs */
typedef TInputImage InputImageType;
typedef typename InputImageType::RegionType InputImageRegionType;
typedef typename InputImageType::Pointer InputImagePointerType;
typedef typename InputImageType::SizeType InputImageSizeType;
typedef TOutputImage OutputImageType;
typedef typename OutputImageType::Pointer OutputImagePointerType;
typedef TCountFunction CountFunctionType;
typedef typename CountFunctionType::Pointer CountFunctionPointerType;
typedef itk::ConstNeighborhoodIterator<TInputImage> NeighborhoodIteratorType;
typedef typename NeighborhoodIteratorType::RadiusType RadiusType;
/** Shrink factor accessor */
itkSetMacro(NeighborhoodRadius, RadiusType);
itkGetMacro(NeighborhoodRadius, RadiusType);
void SetNeighborhoodRadius(unsigned int rad)
{
m_NeighborhoodRadius.Fill(rad);
this->Modified();
}
/** Main computation method */
void ThreadedGenerateData(const InputImageRegionType& outputRegionForThread, itk::ThreadIdType threadId) override;
void BeforeThreadedGenerateData() override;
void GenerateInputRequestedRegion() override;
protected:
/** Constructor */
BinaryImageToDensityImageFilter();
/** Destructor */
~BinaryImageToDensityImageFilter() override;
/** PrintSelf method */
void PrintSelf(std::ostream& os, itk::Indent indent) const override;
private:
BinaryImageToDensityImageFilter(const Self &); //purposely not implemented
void operator =(const Self&); //purposely not implemented
CountFunctionPointerType m_CountFunction;
/** The shrink factor */
RadiusType m_NeighborhoodRadius;
};
} // End namespace otb
#ifndef OTB_MANUAL_INSTANTIATION
#include "otbBinaryImageToDensityImageFilter.txx"
#endif
#endif
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