TotalColumnVaporGuess.h

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/*
 * (C) Copyright 2021 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_FILTERS_OBSFUNCTIONS_TOTALCOLUMNVAPORGUESS_H_
#define UFO_FILTERS_OBSFUNCTIONS_TOTALCOLUMNVAPORGUESS_H_
 
#include <string>
#include <vector>
 
#include "oops/util/parameters/Parameter.h"
#include "oops/util/parameters/Parameters.h"
#include "oops/util/parameters/RequiredParameter.h"
 
#include "ufo/filters/ObsFilterData.h"
#include "ufo/filters/obsfunctions/ObsFunctionBase.h"
#include "ufo/filters/Variables.h"
 
namespace ufo {
 
///
/// \brief Calculate column water vapor mass in guess at observation locations.
///
class TotalColumnVaporGuess : public ObsFunctionBase<float> {
 public:
  explicit TotalColumnVaporGuess(const eckit::LocalConfiguration &
                                       = eckit::LocalConfiguration());
  ~TotalColumnVaporGuess();
 
  void compute(const ObsFilterData &,
               ioda::ObsDataVector<float> &) const;
  const ufo::Variables & requiredVariables() const;
 private:
  ufo::Variables invars_;
};
 
// -----------------------------------------------------------------------------
 
}  // namespace ufo
 
#endif  // UFO_FILTERS_OBSFUNCTIONS_TOTALCOLUMNVAPORGUESS_H_