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/*=========================================================================
Program: ORFEO Toolbox
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) Centre National d'Etudes Spatiales. All rights reserved.
See OTBCopyright.txt for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#ifndef otbSharkUtils_h
#define otbSharkUtils_h
#include "otb_shark.h"
#if defined(__GNUC__) || defined(__clang__)
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wshadow"
#endif
#include <shark/Data/Dataset.h>
#if defined(__GNUC__) || defined(__clang__)
#pragma GCC diagnostic pop
#endif
namespace otb
{
namespace Shark
{
template <class T> void ListSampleRangeToSharkVector(const T * listSample, std::vector<shark::RealVector> & output, unsigned int start, unsigned int size)
{
assert(listSample != ITK_NULLPTR);
if(start+size>listSample->Size())
{
itkGenericExceptionMacro(<<"Requested range ["<<start<<", "<<start+size<<"[ is out of bound for input list sample (range [0, "<<listSample->Size()<<"[");
}
output.clear();
// Sample index
unsigned int sampleIdx = start;
//Check for valid listSample
if(listSample->Size()>0)
{
// Retrieve samples size alike
const unsigned int sampleSize = listSample->GetMeasurementVectorSize();
// Fill the output vector
for (auto const endOfRange = start+size ; sampleIdx < endOfRange ; ++sampleIdx)
{
// Retrieve sample
typename T::MeasurementVectorType const & sample = listSample->GetMeasurementVector(sampleIdx);
// // Define a shark::RealVector
// shark::RealVector rv(sampleSize);
// // Loop on sample size
// for(unsigned int i = 0; i < sampleSize; ++i)
// {
// rv[i] = sample[i];
// }
// using std::move;
// output.emplace_back(move(rv));
output.emplace_back(&sample[0], &sample[0]+sampleSize);
}
}
}
template <class T> void ListSampleRangeToSharkVector(const T * listSample, std::vector<unsigned int> & output, unsigned int start, unsigned int size)
{
assert(listSample != ITK_NULLPTR);
if(start+size>listSample->Size())
{
itkGenericExceptionMacro(<<"Requested range ["<<start<<", "<<start+size<<"[ is out of bound for input list sample (range [0, "<<listSample->Size()<<"[");
}
output.clear();
// Sample index
unsigned int sampleIdx = start;
//Check for valid listSample
if(listSample->Size()>0)
{
// Fill the output vector
while(sampleIdx<start+size)
{
// Retrieve sample
typename T::MeasurementVectorType const & sample = listSample->GetMeasurementVector(sampleIdx);
// Define a shark::RealVector
output.push_back(sample[0]);
++sampleIdx;
}
}
}
template <class T> void ListSampleToSharkVector(const T * listSample, std::vector<shark::RealVector> & output)
{
assert(listSample != ITK_NULLPTR);
ListSampleRangeToSharkVector(listSample,output,0U,static_cast<unsigned int>(listSample->Size()));
}
template <class T> void ListSampleToSharkVector(const T * listSample, std::vector<unsigned int> & output)
{
assert(listSample != ITK_NULLPTR);
ListSampleRangeToSharkVector(listSample,output,0, static_cast<unsigned int>(listSample->Size()));
}
}
}
#endif
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