qg/model/ObsBias.h

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/*
 * (C) Copyright 2009-2016 ECMWF.
 * 
 * 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. 
 * In applying this licence, ECMWF does not waive the privileges and immunities 
 * granted to it by virtue of its status as an intergovernmental organisation nor
 * does it submit to any jurisdiction.
 */
 
#ifndef QG_MODEL_OBSBIAS_H_
#define QG_MODEL_OBSBIAS_H_
 
#include <iostream>
#include <string>
#include <vector>
#include <boost/noncopyable.hpp>
 
#include "oops/base/Variables.h"
#include "oops/util/ObjectCounter.h"
#include "oops/util/Printable.h"
 
namespace eckit {
  class Configuration;
}
 
namespace qg {
  class ObsBiasIncrement;
  class ObsSpaceQG;
 
/// Class to handle observation bias parameters.
 
// -----------------------------------------------------------------------------
 
class ObsBias : public util::Printable,
                private boost::noncopyable,
                private util::ObjectCounter<ObsBias> {
 public:
  static const unsigned int ntypes = 4;
  static const std::string classname() {return "qg::ObsBias";}
 
  ObsBias(const ObsSpaceQG &, const eckit::Configuration &);
  ObsBias(const ObsBias &, const bool);
  ~ObsBias() {}
 
  ObsBias & operator+=(const ObsBiasIncrement &);
  ObsBias & operator=(const ObsBias &);
 
/// I/O and diagnostics
  void read(const eckit::Configuration &) {}
  void write(const eckit::Configuration &) const {}
  double norm() const;
 
  const double & operator[](const unsigned int ii) const {return bias_[ii];}
 
  /// Other
  const oops::Variables & requiredVars() const {return geovars_;}
  const oops::Variables & requiredHdiagnostics() const {return hdiags_;}
 
  const double & stream() const {return bias_[0];}
  const double & wind() const {return bias_[1];}
  const double & wspd() const {return bias_[3];}
 
 private:
  void print(std::ostream &) const;
  std::vector<double> bias_;
  bool active_;
  const oops::Variables geovars_;
  const oops::Variables hdiags_;
};
 
// -----------------------------------------------------------------------------
 
}  // namespace qg
 
#endif  // QG_MODEL_OBSBIAS_H_