LinearObsOperator.h

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/*
 * (C) Copyright 2018 UCAR
 *
 * This software is licensed under the terms of the Apache Licence Version 2.0
 * which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
 */
 
#ifndef UFO_LINEAROBSOPERATOR_H_
#define UFO_LINEAROBSOPERATOR_H_
 
#include <Eigen/Core>
 
#include <memory>
#include <vector>
 
#include <boost/noncopyable.hpp>
 
#include "oops/util/Printable.h"
 
// Forward declarations
namespace eckit {
  class Configuration;
}
 
namespace oops {
  class Variables;
}
 
namespace ioda {
  class ObsSpace;
  class ObsVector;
}
 
namespace ufo {
  class GeoVaLs;
  class ObsBias;
  class ObsBiasIncrement;
  class LinearObsOperatorBase;
 
// -----------------------------------------------------------------------------
 
class LinearObsOperator : public util::Printable,
                          private boost::noncopyable {
 public:
  LinearObsOperator(ioda::ObsSpace &, const eckit::Configuration &);
  ~LinearObsOperator();
 
/// Obs Operator
  void setTrajectory(const GeoVaLs &, const ObsBias &);
  void simulateObsTL(const GeoVaLs &, ioda::ObsVector &, const ObsBiasIncrement &) const;
  void simulateObsAD(GeoVaLs &, const ioda::ObsVector &, ObsBiasIncrement &) const;
 
/// Operator input required from Model
  const oops::Variables & requiredVars() const;
 
 private:
  void print(std::ostream &) const;
  std::unique_ptr<LinearObsOperatorBase> oper_;
  ioda::ObsSpace & odb_;
  std::vector<ioda::ObsVector> biaspreds_;
};
 
// -----------------------------------------------------------------------------
 
}  // namespace ufo
 
#endif  // UFO_LINEAROBSOPERATOR_H_