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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_h
#define otbProjectiveProjectionImageFilter_h
#include "itkMacro.h"
#include "otbFunctorImageFilter.h"
namespace otb
{
namespace Functor
{
/** \class ProjectiveProjectionFunctor
*
* \brief Applies a projective projection to a pixel
*
* \sa ProjectiveProjectionImageFilter
*
* \ingroup OTBProjection
*/
template <class TInput, class TOutput, class TPrecision>
class ProjectiveProjectionFunctor
{
public:
typedef TInput InputType;
typedef TOutput OutputType;
typedef TPrecision PrecisionType;
ProjectiveProjectionFunctor() : m_OutputSize(0)
{
}
virtual ~ProjectiveProjectionFunctor()
{
}
size_t OutputSize(const std::array<size_t, 1>& nbBands) const;
const InputType& GetProjectionDirection();
void SetProjectionDirection(const InputType& p);
OutputType operator()(const InputType& in);
private:
unsigned int m_OutputSize;
InputType m_ProjectionDirection;
};
}
/** \class ProjectiveProjectionImageFilter
*
* \brief Applies a projective projection to each pixel of an image
*
* \ingroup Streamed
* \ingroup Threaded
*
* \ingroup OTBProjection
*/
template <typename TInputImage, typename TOutputImage, typename TPrecision>
using ProjectiveProjectionImageFilter =
FunctorImageFilter<Functor::ProjectiveProjectionFunctor<typename TInputImage::PixelType, typename TOutputImage::PixelType, TPrecision>>;
} // end namespace otb
#ifndef OTB_MANUAL_INSTANTIATION
#include "otbProjectiveProjectionImageFilter.hxx"
#endif
#endif
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