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/*
* Copyright (C) 2005-2020 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 otbRAMDrivenAdaptativeStreamingManager_hxx
#define otbRAMDrivenAdaptativeStreamingManager_hxx
#include "otbRAMDrivenAdaptativeStreamingManager.h"
#include "otbMacro.h"
#include "otbImageRegionAdaptativeSplitter.h"
#include "itkMetaDataObject.h"
#include "otbMetaDataKey.h"
namespace otb
{
template <class TImage>
RAMDrivenAdaptativeStreamingManager<TImage>::RAMDrivenAdaptativeStreamingManager() : m_AvailableRAMInMB(0), m_Bias(1.0)
{
}
template <class TImage>
RAMDrivenAdaptativeStreamingManager<TImage>::~RAMDrivenAdaptativeStreamingManager()
{
}
template <class TImage>
void RAMDrivenAdaptativeStreamingManager<TImage>::PrepareStreaming(itk::DataObject* input, const RegionType& region)
{
unsigned long nbDivisions = this->EstimateOptimalNumberOfDivisions(input, region, m_AvailableRAMInMB, m_Bias);
typename otb::ImageRegionAdaptativeSplitter<itkGetStaticConstMacro(ImageDimension)>::SizeType tileHint;
unsigned int tileHintX(0), tileHintY(0);
itk::ExposeMetaData<unsigned int>(input->GetMetaDataDictionary(), MetaDataKey::TileHintX, tileHintX);
itk::ExposeMetaData<unsigned int>(input->GetMetaDataDictionary(), MetaDataKey::TileHintY, tileHintY);
tileHint[0] = tileHintX;
tileHint[1] = tileHintY;
typename otb::ImageRegionAdaptativeSplitter<itkGetStaticConstMacro(ImageDimension)>::Pointer splitter =
otb::ImageRegionAdaptativeSplitter<itkGetStaticConstMacro(ImageDimension)>::New();
splitter->SetTileHint(tileHint);
this->m_Splitter = splitter;
this->m_ComputedNumberOfSplits = this->m_Splitter->GetNumberOfSplits(region, nbDivisions);
this->m_Region = region;
}
} // End namespace otb
#endif
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