otbGDALRPCTransformer.h

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/*
 * Copyright (C) 2005-2024 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 otbGDALRPCTransformer_h
#define otbGDALRPCTransformer_h
 
#include "itkPoint.h"
#include "gdal_alg.h"
 
#include "otbDEMHandler.h"
#include "otbGeometryMetadata.h"
 
#include <mutex>
 
namespace otb
{
class GDALRPCTransformer final : public DEMObserverInterface
{
public:
 
  using PointType = itk::Point<double, 3>;
 
  GDALRPCTransformer(double LineOffset, double SampleOffset, double LatOffset, double LonOffset, double HeightOffset,
         double LineScale, double SampleScale, double LatScale, double LonScale, double HeightScale,
         const double (&LineNum)[20], const double (&LineDen)[20], const double (&SampleNum)[20], const double (&SampleDen)[20], bool useDEM);
 
  GDALRPCTransformer(const Projection::RPCParam &, bool useDEM);
 
  ~GDALRPCTransformer();
 
  void SetOption(const std::string& Name, const std::string& Value);
 
  void SetPixErrThreshold(double PixErrThreshold);
 
  bool ForwardTransform(double* x, double* y, double* z, int nPointCount);
 
  PointType ForwardTransform(PointType p);
 
  bool InverseTransform(double* x, double* y, double* z, int nPointCount);
 
  PointType InverseTransform(PointType p);
 
protected:
  void Update() final;
 
private:
  bool m_Modified = true;
 
  GDALRPCInfo m_GDALRPCInfo;
 
  char ** m_Options = nullptr;
 
  double m_PixErrThreshold = 0.1;
 
  void * m_TransformArg = nullptr;
 
  std::mutex m_Mutex;
 
  bool m_UseDEM = true;
 
};
}
#endif