ClusterParameterEstimator.h

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#ifndef RecoLocalTracker_Cluster_Parameter_Estimator_H
#define RecoLocalTracker_Cluster_Parameter_Estimator_H

#include "DataFormats/GeometrySurface/interface/LocalError.h"
#include "DataFormats/GeometryVector/interface/LocalPoint.h"

#include "Geometry/CommonDetUnit/interface/GeomDet.h"
#include "DataFormats/TrajectoryState/interface/LocalTrajectoryParameters.h"
#include "TrackingTools/TrajectoryState/interface/TrajectoryStateOnSurface.h"

template <class T>
class ClusterParameterEstimator {
public:
  typedef std::pair<LocalPoint, LocalError> LocalValues;
  typedef std::vector<LocalValues> VLocalValues;
  virtual LocalValues localParameters(const T&, const GeomDetUnit&) const = 0;
  virtual LocalValues localParameters(const T& cluster, const GeomDetUnit& gd, const LocalTrajectoryParameters&) const {
    return localParameters(cluster, gd);
  }
  virtual LocalValues localParameters(const T& cluster,
                                      const GeomDetUnit& gd,
                                      const TrajectoryStateOnSurface& tsos) const {
    return localParameters(cluster, gd, tsos.localParameters());
  }
  virtual VLocalValues localParametersV(const T& cluster, const GeomDetUnit& gd) const {
    VLocalValues vlp;
    vlp.push_back(localParameters(cluster, gd));
    return vlp;
  }
  virtual VLocalValues localParametersV(const T& cluster,
                                        const GeomDetUnit& gd,
                                        const TrajectoryStateOnSurface& tsos) const {
    VLocalValues vlp;
    vlp.push_back(localParameters(cluster, gd, tsos.localParameters()));
    return vlp;
  }

  virtual ~ClusterParameterEstimator() {}

  //methods needed by FastSim
  virtual void enterLocalParameters(unsigned int id, std::pair<int, int>& row_col, LocalValues pos_err_info) const {}
  virtual void enterLocalParameters(uint32_t id, uint16_t firstStrip, LocalValues pos_err_info) const {}
  virtual void clearParameters() const {}
};

#endif