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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 otbTileDimensionTiledStreamingManager_txx
#define otbTileDimensionTiledStreamingManager_txx
#include "otbTileDimensionTiledStreamingManager.h"
#include "otbMacro.h"
#include "otbImageRegionSquareTileSplitter.h"
namespace otb
{
template <class TImage>
TileDimensionTiledStreamingManager<TImage>::TileDimensionTiledStreamingManager()
: m_TileDimension(0)
{
}
template <class TImage>
TileDimensionTiledStreamingManager<TImage>::~TileDimensionTiledStreamingManager()
{
}
template <class TImage>
void
TileDimensionTiledStreamingManager<TImage>::PrepareStreaming( itk::DataObject * /*input*/, const RegionType ®ion )
{
if (m_TileDimension < 16)
{
itkWarningMacro(<< "TileDimension inferior to 16 : using 16 as tile dimension")
m_TileDimension = 16;
}
// Calculate number of split
this->m_Splitter = otb::ImageRegionSquareTileSplitter<itkGetStaticConstMacro(ImageDimension)>::New();
unsigned int nbDesiredTiles =
itk::Math::Ceil<unsigned int>( double(region.GetNumberOfPixels() ) / (m_TileDimension * m_TileDimension) );
this->m_ComputedNumberOfSplits = this->m_Splitter->GetNumberOfSplits(region, nbDesiredTiles);
this->m_Region = region;
}
} // End namespace otb
#endif
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