/usr/include/OTB-6.4/otbTwoNRIBandsImageToNComplexBandsImage.txx is in libotb-dev 6.4.0+dfsg-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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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 otbTwoNRIBandsImageToNComplexBandsImage_txx
#define otbTwoNRIBandsImageToNComplexBandsImage_txx
#include "otbTwoNRIBandsImageToNComplexBandsImage.h"
#include "itkImageRegionIterator.h"
#include "itkImageRegionConstIterator.h"
#include "itkProgressReporter.h"
#include "itkVariableLengthVector.h"
namespace otb
{
/**
*
*/
template <class TInputImage, class TOutputImage>
TwoNRIBandsImageToNComplexBandsImage<TInputImage, TOutputImage>::TwoNRIBandsImageToNComplexBandsImage()
{
//this->SetNumberOfThreads(1);
}
/**
* GenerateOutputInformation
*/
template<class TInputImage, class TOutputImage>
void
TwoNRIBandsImageToNComplexBandsImage<TInputImage, TOutputImage>
::GenerateOutputInformation(void)
{
Superclass::GenerateOutputInformation();
unsigned int nbCompo = this->GetInput()->GetNumberOfComponentsPerPixel();
if ( (nbCompo % 2) != 0 )
{
itkExceptionMacro("Number of bands of the input images must be an even number");
}
else
{
this->GetOutput()->SetNumberOfComponentsPerPixel(nbCompo/2);
}
}
/**
* BeforeThreadedGenerateData
*/
template <class TInputImage, class TOutputImage>
void
TwoNRIBandsImageToNComplexBandsImage<TInputImage, TOutputImage>
::BeforeThreadedGenerateData(void)
{
unsigned int nbCompo = this->GetInput()->GetNumberOfComponentsPerPixel();
if ( (nbCompo % 2) != 0 )
itkExceptionMacro("Number of bands of the input images must be an even number");
}
/**
* ThreadedGenerateData
*/
template<class TInputImage, class TOutputImage>
void TwoNRIBandsImageToNComplexBandsImage<TInputImage, TOutputImage>::ThreadedGenerateData(
const OutputImageRegionType& outputRegionForThread,
itk::ThreadIdType threadId
)
{
unsigned int nbCompo = this->GetInput()->GetNumberOfComponentsPerPixel();
itk::VariableLengthVector< std::complex< typename InputPixelType::ValueType > > vlv(nbCompo/2);
// support progress methods/callbacks
itk::ProgressReporter progress(this, threadId, outputRegionForThread.GetNumberOfPixels());
itk::ImageRegionConstIterator<TInputImage> inIt;
inIt = itk::ImageRegionConstIterator<TInputImage>(this->GetInput(), outputRegionForThread);
itk::ImageRegionIterator<OutputImageType> outIt;
outIt = itk::ImageRegionIterator<OutputImageType>(this->GetOutput(), outputRegionForThread);
inIt.GoToBegin();
outIt.GoToBegin();
while (!outIt.IsAtEnd())
{
unsigned int k=0;
for (unsigned int i=0; i<nbCompo-1; i=i+2)
{
vlv[k] = std::complex< typename InputPixelType::ValueType >(inIt.Get()[i],inIt.Get()[i+1]);
k++;
}
outIt.Set(vlv);
++inIt;
++outIt;
progress.CompletedPixel();
}
}
/**
* Standard "PrintSelf" method
*/
template <class TInputImage, class TOutput>
void
TwoNRIBandsImageToNComplexBandsImage<TInputImage, TOutput>::PrintSelf(std::ostream& os, itk::Indent indent) const
{
Superclass::PrintSelf(os, indent);
}
} // end namespace otb
#endif
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