/usr/include/OTB-6.4/otbScalarToRainbowRGBPixelFunctor.txx 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.
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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 otbScalarToRainbowRGBPixelFunctor_txx
#define otbScalarToRainbowRGBPixelFunctor_txx
#include "otbScalarToRainbowRGBPixelFunctor.h"
namespace otb
{
namespace Functor
{
template <class TScalar, class TRGBPixel>
ScalarToRainbowRGBPixelFunctor<TScalar, TRGBPixel>
::ScalarToRainbowRGBPixelFunctor()
{
// m_Minimum = 0;
// m_Maximum = itk::NumericTraits<ScalarType>::max();
}
template <class TScalar, class TRGBPixel>
typename ScalarToRainbowRGBPixelFunctor<TScalar, TRGBPixel>::RGBPixelType
ScalarToRainbowRGBPixelFunctor<TScalar, TRGBPixel>
::operator() (const TScalar &v) const
{
double hinc, sinc, vinc;
hinc = 0.6 / (this->GetMaximumInputValue() - this->GetMinimumInputValue());
sinc = 0.0;
vinc = 0.0;
double hue, sat, val;
hue = 0.6 - (v - this->GetMinimumInputValue()) * hinc;
if (v < this->GetMinimumInputValue())
{
hue = 0.6;
}
if (v > this->GetMaximumInputValue())
{
hue = 0.0;
}
sat = 0.99 + v * sinc;
val = itk::NumericTraits<RGBComponentType>::max() + v * vinc;
return m_HSVToRGBFunctor(hue, sat, val);
}
} // end namespace Functor
} // end namespace otb
#endif
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