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/*
* Copyright (C) 2005-2020 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 otbProjectiveProjectionImageFilter_hxx
#define otbProjectiveProjectionImageFilter_hxx
#include "otbProjectiveProjectionImageFilter.h"
namespace otb
{
namespace Functor
{
template <class TInput, class TOutput, class TPrecision>
size_t ProjectiveProjectionFunctor<TInput, TOutput, TPrecision>::OutputSize(const std::array<size_t, 1>&) const
{
return m_OutputSize;
}
template <class TInput, class TOutput, class TPrecision>
const typename ProjectiveProjectionFunctor<TInput, TOutput, TPrecision>::InputType&
ProjectiveProjectionFunctor<TInput, TOutput, TPrecision>::GetProjectionDirection()
{
return m_ProjectionDirection;
}
template <class TInput, class TOutput, class TPrecision>
void ProjectiveProjectionFunctor<TInput, TOutput, TPrecision>::SetProjectionDirection(const InputType& p)
{
m_ProjectionDirection = p;
m_OutputSize = m_ProjectionDirection.Size();
}
template <class TInput, class TOutput, class TPrecision>
typename ProjectiveProjectionFunctor<TInput, TOutput, TPrecision>::OutputType ProjectiveProjectionFunctor<TInput, TOutput, TPrecision>::
operator()(const InputType& in)
{
PrecisionType dotProduct = 0;
for (unsigned int i = 0; i < in.Size(); ++i)
{
dotProduct += in[i] * m_ProjectionDirection[i];
}
OutputType projected(in.Size());
for (unsigned int j = 0; j < in.Size(); ++j)
{
projected[j] = in[j] / dotProduct;
}
return projected;
}
} // end namespace Functor
} // end namespace otb
#endif
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