/usr/include/OTB-6.4/otbMeanRatio.h is in libotb-dev 6.4.0+dfsg-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 | /*
* 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 otbMeanRatio_h
#define otbMeanRatio_h
#include "otbBinaryFunctorNeighborhoodImageFilter.h"
namespace otb
{
/** \class Functor::MeanRatio
*
* - compute the ratio of the two pixel values
* - compute the value of the ratio of means
* - cast the \c double value resulting to the pixel type of the output image
* - store the casted value into the output image.
*
* \ingroup Functor
*
* \ingroup OTBChangeDetection
*/
namespace Functor
{
template<class TInput1, class TInput2, class TOutput>
class MeanRatio
{
public:
MeanRatio() {}
virtual ~MeanRatio() {}
inline TOutput operator ()(const TInput1& itA,
const TInput2& itB)
{
TOutput meanA = 0.0;
TOutput meanB = 0.0;
for (unsigned long pos = 0; pos < itA.Size(); ++pos)
{
meanA += static_cast<TOutput>(itA.GetPixel(pos));
meanB += static_cast<TOutput>(itB.GetPixel(pos));
}
meanA /= itA.Size();
meanB /= itB.Size();
//std::cout<<"meanA= "<<meanA<<", meanB= "<<meanB<<std::endl;
TOutput ratio;
if (meanA == meanB) ratio = 0.;
else if (meanA > meanB) ratio = static_cast<TOutput>(1.0 - meanB / meanA);
else ratio = static_cast<TOutput>(1.0 - meanA / meanB);
return ratio;
}
};
}
} // end namespace otb
#endif
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