ObsLocalization.h

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/*
 * (C) Copyright 2017-2020 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 OOPS_INTERFACE_OBSLOCALIZATION_H_
#define OOPS_INTERFACE_OBSLOCALIZATION_H_
 
#include <memory>
#include <string>
 
#include "eckit/config/LocalConfiguration.h"
#include "oops/base/ObsLocalizationBase.h"
#include "oops/interface/ObsSpace.h"
#include "oops/interface/ObsVector.h"
#include "oops/util/Logger.h"
 
namespace oops {
 
// -----------------------------------------------------------------------------
 
template <typename OBS, typename LOC>
class ObsLocalization : public ObsLocalizationBase<OBS> {
  typedef ObsSpace<OBS>            ObsSpace_;
  typedef ObsVector<OBS>           ObsVector_;
 
 public:
  static const std::string classname() {return "oops::ObsLocalization";}
 
  ObsLocalization(const eckit::Configuration &, const ObsSpace_ &);
  ~ObsLocalization();
 
  void multiply(ObsVector_ &) const override;
 
 private:
  void print(std::ostream &) const override;
 
  std::unique_ptr<LOC> obsloc_;
};
 
// -----------------------------------------------------------------------------
 
template <typename OBS, typename LOC>
ObsLocalization<OBS, LOC>::ObsLocalization(const eckit::Configuration & conf,
                                             const ObsSpace_ & os)
  : obsloc_()
{
  Log::trace() << "ObsLocalization<OBS, LOC>::ObsLocalization Configuration starting" <<
                  std::endl;
  util::Timer timer(classname(), "ObsLocalization");
  obsloc_.reset(new LOC(conf, os.obsspace()));
  Log::trace() << "ObsLocalization<OBS, LOC>::ObsLocalization Configuration done" << std::endl;
}
 
// -----------------------------------------------------------------------------
 
template <typename OBS, typename LOC>
ObsLocalization<OBS, LOC>::~ObsLocalization() {
  Log::trace() << "ObsLocalization<OBS, LOC>::~ObsLocalization starting" << std::endl;
  util::Timer timer(classname(), "~ObsLocalization");
  obsloc_.reset();
  Log::trace() << "ObsLocalization<OBS, LOC>::~ObsLocalization done" << std::endl;
}
 
// -----------------------------------------------------------------------------
 
template <typename OBS, typename LOC>
void ObsLocalization<OBS, LOC>::multiply(ObsVector_ & dy) const {
  Log::trace() << "ObsLocalization<OBS, LOC>:: preProcess starting" << std::endl;
  util::Timer timer(classname(), "preProcess");
  obsloc_->multiply(dy.obsvector());
  Log::trace() << "ObsLocalization<OBS, LOC>:: preProcess done" << std::endl;
}
 
// -----------------------------------------------------------------------------
 
template <typename OBS, typename LOC>
void ObsLocalization<OBS, LOC>::print(std::ostream & os) const {
  os << "ObsLocalization " << *obsloc_;
}
 
// -----------------------------------------------------------------------------
 
}  // namespace oops
 
#endif  // OOPS_INTERFACE_OBSLOCALIZATION_H_