otbGeometryMetadata.h

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/*
 * Copyright (C) 2005-2022 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 otbGeometryMetadata_h
#define otbGeometryMetadata_h
 
#include "OTBMetadataExport.h"
#include "otbMetaDataKey.h"
 
 
#include <string>
#include <vector>
#include <sstream>
 
namespace otb
{
 
class OTBMetadata_EXPORT GCP
{
public:
  std::string m_Id;
 
  std::string m_Info;
 
  double m_GCPCol;
 
  double m_GCPRow;
 
  double m_GCPX;
 
  double m_GCPY;
 
  double m_GCPZ;
 
  GCP() = default;
  GCP(std::string id, std::string info, double col, double row, double px, double py, double pz);
 
  void Print(std::ostream& os) const;
  std::string ToJSON(bool multiline=false) const;
 
  void ToKeywordlist(MetaData::Keywordlist & kwl, const std::string & prefix) const;
 
  static GCP FromKeywordlist(const MetaData::Keywordlist & kwl, const std::string & prefix);
};
 
 
namespace Projection
{
 
struct OTBMetadata_EXPORT GCPParam
{
  std::string GCPProjection;
 
  std::vector<GCP> GCPs;
 
  // JSON export
  std::string ToJSON(bool multiline=false) const;
 
  void ToKeywordlist(MetaData::Keywordlist & kwl, const std::string & prefix) const;
 
  void FromKeywordlist(const MetaData::Keywordlist & kwl, const std::string & prefix);
};
 
struct OTBMetadata_EXPORT RPCParam
{
  // Constructors
  RPCParam() = default;
  RPCParam(const RPCParam &) = default; // CopyConstructible required for boost::any
  RPCParam& operator=(RPCParam &) = default; //CopyAssignment optional for boost::any
 
  // Offsets
  double LineOffset = 0.0;
  double SampleOffset = 0.0;
  double LatOffset = 0.0;
  double LonOffset = 0.0;
  double HeightOffset = 0.0;
 
  // Scales
  double LineScale = 0.0;
  double SampleScale = 0.0;
  double LatScale = 0.0;
  double LonScale = 0.0;
  double HeightScale = 0.0;
 
  // Line numerator coefficients
  double LineNum[20] = {
    0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0,
    0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0};
  
  // Line denominator coefficients
  double LineDen[20] = {
    0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0,
    0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0};
 
  // Sample numerator coefficients
  double SampleNum[20] = {
    0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0,
    0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0};
 
  // Sample denominator coefficients
  double SampleDen[20] = {
    0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0,
    0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0};
 
  // JSON export
  std::string ToJSON(bool multiline=false) const;
  inline static std::string doubleArrayToString(const double* array)
  {
    std::ostringstream oss;
    oss << "[";
    for (int loop = 0 ; loop < 20  ; loop++)
      oss << " \"" << array[loop] << "\", ";
    oss << "]";
    return oss.str();
  }
  
  // Equality comparison with tolerance
  template <class BinaryPredicate>
  bool Compare(const RPCParam & other, const BinaryPredicate & p) const
  {
    return p(LineOffset, other.LineOffset)
          && p(SampleOffset, other.SampleOffset)
          && p(LatOffset, other.LatOffset)
          && p(LonOffset, other.LonOffset)
          && p(HeightOffset, other.HeightOffset)
          && p(LineScale, other.LineScale)
          && p(SampleScale, other.SampleScale)
          && p(LatScale, other.LatScale)
          && p(LonScale, other.LonScale)
          && p(HeightScale, other.HeightScale)
          && std::equal(std::begin(LineNum), std::end(LineNum), std::begin(other.LineNum),p)
          && std::equal(std::begin(LineDen), std::end(LineDen), std::begin(other.LineDen),p)
          && std::equal(std::begin(SampleNum), std::end(SampleNum), std::begin(other.SampleNum),p)
          && std::equal(std::begin(SampleDen), std::end(SampleDen), std::begin(other.SampleDen),p);
  }
 
  // Equality comparison operator (hidden friend idiom)
  friend bool operator==(const RPCParam & lhs, const RPCParam & rhs)
  {
    return lhs.Compare(rhs, [](double rhs, double lhs){return rhs == lhs;});
  }
 
};
 
} // end namespace Projection
 
} // end namespace otb
 
#endif