RecoTracker/SiTrackerMRHTools/interface/GenericProjectedRecHit2D.h - master - githubmirror/cmssw

RecoTracker/SiTrackerMRHTools/interface/GenericProjectedRecHit2D.h
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03 июн 2019, 06:55
03 июн 2019, 06:551830d94
#ifndef RECOTRACKER_TRANSIENTRACKINGRECHIT_GenericProjectedRecHit2D_H
#define RECOTRACKER_TRANSIENTRACKINGRECHIT_GenericProjectedRecHit2D_H

#include "TrackingTools/TransientTrackingRecHit/interface/TransientTrackingRecHit.h"
#include "TrackingTools/TransientTrackingRecHit/interface/HelpertRecHit2DLocalPos.h"
#include "TrackingTools/KalmanUpdators/interface/TrackingRecHitPropagator.h"

class GenericProjectedRecHit2D : public TransientTrackingRecHit {
public:
  GenericProjectedRecHit2D(const LocalPoint& pos,
                           const LocalError& err,
                           const GeomDet* det,
                           const GeomDet* originaldet,
                           const TransientTrackingRecHit::ConstRecHitPointer originalHit,
                           const TrackingRecHitPropagator* propagator);

  AlgebraicSymMatrix parametersError() const override {
    return HelpertRecHit2DLocalPos().parError(localPositionError(), *det());
  }

  //virtual ~GenericProjectedRecHit2D(){delete theOriginalTransientHit;}

  AlgebraicVector parameters() const override;

  LocalPoint localPosition() const override { return theLp; }

  LocalError localPositionError() const override { return theLe; }

  AlgebraicMatrix projectionMatrix() const override { return theProjectionMatrix; }

  virtual DetId geographicalId() const { return det() ? det()->geographicalId() : DetId(); }

  int dimension() const override { return theDimension; }

  //this hit lays on the original surface, NOT on the projection surface
  const TrackingRecHit* hit() const override { return theOriginalTransientHit->hit(); }

  TrackingRecHit* cloneHit() const override { return theOriginalTransientHit->cloneHit(); }

  virtual bool isValid() const { return true; }

  std::vector<const TrackingRecHit*> recHits() const override {
    //return theOriginalTransientHit->hit()->recHits();
    return std::vector<const TrackingRecHit*>();
  }

  std::vector<TrackingRecHit*> recHits() override {
    //should it do something different?
    return std::vector<TrackingRecHit*>();
  }

  const TrackingRecHitPropagator* propagator() const { return thePropagator; }

  bool canImproveWithTrack() const override { return true; }

  const GeomDet* originalDet() const { return theOriginalDet; }

  static RecHitPointer build(const LocalPoint& pos,
                             const LocalError& err,
                             const GeomDet* det,
                             const GeomDet* originaldet,
                             const TransientTrackingRecHit::ConstRecHitPointer originalHit,
                             const TrackingRecHitPropagator* propagator) {
    return RecHitPointer(new GenericProjectedRecHit2D(pos, err, det, originaldet, originalHit, propagator));
  }

  RecHitPointer clone(const TrajectoryStateOnSurface& ts, const TransientTrackingRecHitBuilder*) const;

private:
  const GeomDet* theOriginalDet;
  TransientTrackingRecHit::ConstRecHitPointer theOriginalTransientHit;
  LocalPoint theLp;
  LocalError theLe;
  AlgebraicMatrix theProjectionMatrix;
  const TrackingRecHitPropagator* thePropagator;
  //const TrackingRecHit* theOriginalHit;
  int theDimension;

  GenericProjectedRecHit2D* clone() const override { return new GenericProjectedRecHit2D(*this); }
};

#endif