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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 otbNumberOfDivisionsTiledStreamingManager_h
#define otbNumberOfDivisionsTiledStreamingManager_h
#include "otbStreamingManager.h"
namespace otb
{
/** \class NumberOfDivisionsTiledStreamingManager
* \brief This class computes the divisions needed to stream an image by strips,
* driven by a user-defined number of divisions in which to divide the images.
*
* You can use SetNumberOfDivisions to ask for a specific number of divisions.
* The number of strips will be computed to fit this requirements as close as possible.
*
* \sa ImageFileWriter
* \sa StreamingImageVirtualFileWriter
*
* \ingroup OTBStreaming
*/
template<class TImage>
class ITK_EXPORT NumberOfDivisionsTiledStreamingManager : public StreamingManager<TImage>
{
public:
/** Standard class typedefs. */
typedef NumberOfDivisionsTiledStreamingManager Self;
typedef StreamingManager<TImage> Superclass;
typedef itk::SmartPointer<Self> Pointer;
typedef itk::SmartPointer<const Self> ConstPointer;
typedef TImage ImageType;
typedef typename Superclass::RegionType RegionType;
/** Creation through object factory macro */
itkNewMacro(Self);
/** Type macro */
itkTypeMacro(NumberOfDivisionsTiledStreamingManager, itk::LightObject);
/** Dimension of input image. */
itkStaticConstMacro(ImageDimension, unsigned int, ImageType::ImageDimension);
/** The number of lines per strip desired */
itkSetMacro(NumberOfDivisions, unsigned int);
/** The number of lines per strip desired */
itkGetMacro(NumberOfDivisions, unsigned int);
/** Actually computes the stream divisions given a DataObject and its region to write */
void PrepareStreaming(itk::DataObject * input, const RegionType ®ion) override;
protected:
NumberOfDivisionsTiledStreamingManager();
~NumberOfDivisionsTiledStreamingManager() override;
/** The number of lines per strip desired by the user.
* This may be different than the one computed by the Splitter */
unsigned int m_NumberOfDivisions;
private:
NumberOfDivisionsTiledStreamingManager(const NumberOfDivisionsTiledStreamingManager &);
void operator =(const NumberOfDivisionsTiledStreamingManager&);
};
} // End namespace otb
#ifndef OTB_MANUAL_INSTANTIATION
#include "otbNumberOfDivisionsTiledStreamingManager.txx"
#endif
#endif
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