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/*
* Copyright (C) 2005-2022 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 otbLogHelpers_h
#define otbLogHelpers_h
#include "itkImageRegion.h"
#include <ostream>
namespace otb
{
/** Helper class to log region in a more human readable way:
* e.g.
* \code
x ∈ [0..42[, y ∈ [12..24[, size=42x12 @(0, 12)
* \endcode
* \author Luc Hermitte (CS Group)
* \copyright CNES
* \ingroup OTBCommon
*/
struct NeatRegionLogger
{
using RegionType = itk::ImageRegion<2u>;
NeatRegionLogger(RegionType const& region) : m_region(region) {}
friend std::ostream & operator<<(std::ostream & os, NeatRegionLogger const& r)
{
auto const& size = r.m_region.GetSize();
auto const& idx = r.m_region.GetIndex();
auto const idx_x1 = idx[0];
int const idx_x2 = idx[0] + size[0];
int const idx_y1 = idx[1];
auto const idx_y2 = idx[1] + size[1];
os
<< "x ∈ ["<<idx_x1 << ".." << idx_x2 << '['
<< ", y ∈ ["<<idx_y1 << ".." << idx_y2 << '['
<< ", size=" << size[0]<<'x'<<size[1] << " @("<<idx_x1<<", "<<idx_y1<<')'
;
return os ;
}
RegionType const& m_region;
};
} // otb namespace
#endif // otbLogHelpers_h
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