text: /*
   * 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 otbSarInverseTransform_hxx
  #define otbSarInverseTransform_hxx
  
  #include "otbSarInverseTransform.h"
  
  namespace otb
  {
  template <class TScalarType, unsigned int NInputDimensions, unsigned int NOutputDimensions>
  SarInverseTransform<TScalarType, NInputDimensions, NOutputDimensions>::SarInverseTransform() : Superclass(TransformDirection::INVERSE)
  {}
  
  template <class TScalarType, unsigned int NInputDimensions, unsigned int NOutputDimensions>
  typename SarInverseTransform<TScalarType, NInputDimensions, NOutputDimensions>::OutputPointType
  SarInverseTransform<TScalarType, NInputDimensions, NOutputDimensions>::TransformPoint(const InputPointType& point) const
  {
    SarSensorModel::Point2DType sensorPoint;
    SarSensorModel::Point3DType worldPoint;
    worldPoint[0] = static_cast<double>(point[0]);
    worldPoint[1] = static_cast<double>(point[1]);
    if (NInputDimensions > 2)
      worldPoint[2] = static_cast<double>(point[2]);
    else
      worldPoint[2] = 0.;
  
    this->m_Transformer->WorldToLineSample(worldPoint, sensorPoint);
  
    OutputPointType pOut;
  
    // from centered to upper left corner pixel convetion
    pOut[0] = static_cast<TScalarType>(sensorPoint[0]) + 0.5;
    pOut[1] = static_cast<TScalarType>(sensorPoint[1]) + 0.5;
  
    if (NOutputDimensions > 2)
      pOut[2] = static_cast<TScalarType>(worldPoint[2]);
  
    return pOut;
  }
  
  /**
   * PrintSelf method
   */
  template <class TScalarType, unsigned int NInputDimensions, unsigned int NOutputDimensions>
  void SarInverseTransform<TScalarType, NInputDimensions, NOutputDimensions>::PrintSelf(std::ostream& os, itk::Indent indent) const
  {
    Superclass::PrintSelf(os, indent);
    os << indent << "Transformation direction: Inverse" << std::endl;
  }
  
  }
  
  #endif
  