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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 otbMultiToMonoChannelExtractROI_h
#define otbMultiToMonoChannelExtractROI_h
#include "otbExtractROIBase.h"
#include "otbImage.h"
#include "otbVectorImage.h"
#include "itkMacro.h"
namespace otb
{
/** \class MultiToMonoChannelExtractROI
* \brief Extract a mono channel part of a multi-channel image.
*
* This filter extracts either all channels or only those specified by the user.
* The SetChannel method allows selecting the channels to process.
* \note If nothing is specified, only the first channel is processed.
* \note This class is templated over the pixel types of the input and output images.
* The input image has to be an otb::VectorImage, whereas the output image has to be an otb::Image.
*
* \ingroup OTBImageBase
*/
template <class TInputPixelType, class TOutputPixelType>
class ITK_EXPORT MultiToMonoChannelExtractROI :
// public ExtractROIBase< itk::VectorImage<TInputPixelType, 2> , itk::Image<TOutputPixelType, 2> >
public ExtractROIBase<VectorImage<TInputPixelType, 2>, Image<TOutputPixelType, 2> >
{
public:
/** Standard class typedefs. */
typedef MultiToMonoChannelExtractROI Self;
// typedef ExtractROIBase< itk::VectorImage<TInputPixelType, 2> , itk::Image<TOutputPixelType, 2> > Superclass;
typedef ExtractROIBase<VectorImage<TInputPixelType, 2>, Image<TOutputPixelType, 2> > Superclass;
typedef itk::SmartPointer<Self> Pointer;
typedef itk::SmartPointer<const Self> ConstPointer;
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** Run-time type information (and related methods). */
itkTypeMacro(MultiToMonoChannelExtractROI, ExtractROIBase);
/** Image type information. */
typedef typename Superclass::InputImageType InputImageType;
typedef typename Superclass::OutputImageType OutputImageType;
/** Pixel type information */
typedef typename OutputImageType::ValueType OutputValueType;
/** Typedef to describe the output and input image region types. */
typedef typename OutputImageType::RegionType OutputImageRegionType;
typedef typename InputImageType::RegionType InputImageRegionType;
/** Typedef to describe the type of pixel. */
typedef typename OutputImageType::PixelType OutputImagePixelType;
typedef typename InputImageType::PixelType InputImagePixelType;
/** Typedef to describe the output and input image index and size types. */
typedef typename OutputImageType::IndexType OutputImageIndexType;
typedef typename InputImageType::IndexType InputImageIndexType;
typedef typename OutputImageType::SizeType OutputImageSizeType;
typedef typename InputImageType::SizeType InputImageSizeType;
/** Select the channel to process */
itkSetMacro(Channel, unsigned int);
itkGetConstMacro(Channel, unsigned int);
/** ImageDimension enumeration */
itkStaticConstMacro(InputImageDimension, unsigned int,
InputImageType::ImageDimension);
itkStaticConstMacro(OutputImageDimension, unsigned int,
OutputImageType::ImageDimension);
protected:
MultiToMonoChannelExtractROI();
~MultiToMonoChannelExtractROI() override {}
void PrintSelf(std::ostream& os, itk::Indent indent) const override;
/** ExtractImageFilter can produce an image which is a different
* resolution than its input image. As such, ExtractImageFilter
* needs to provide an implementation for
* GenerateOutputInformation() in order to inform the pipeline
* execution model. The original documentation of this method is
* below.
*
* \sa ProcessObject::GenerateOutputInformaton() */
void GenerateOutputInformation() override;
/** ExtractImageFilter can be implemented as a multithreaded filter.
* \sa ImageToImageFilter::ThreadedGenerateData(),
* ImageToImageFilter::GenerateData() */
void ThreadedGenerateData(const OutputImageRegionType& outputRegionForThread,
itk::ThreadIdType threadId) override;
private:
MultiToMonoChannelExtractROI(const Self &); //purposely not implemented
void operator =(const Self&); //purposely not implemented
/** Channel to process [1...] */
unsigned int m_Channel;
};
} // end namespace otb
#ifndef OTB_MANUAL_INSTANTIATION
#include "otbMultiToMonoChannelExtractROI.txx"
#endif
#endif
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