SiTrackerMRHTools/interface/GenericProjectedRecHit2D.h

0001 #ifndef RECOTRACKER_TRANSIENTRACKINGRECHIT_GenericProjectedRecHit2D_H
0002 #define RECOTRACKER_TRANSIENTRACKINGRECHIT_GenericProjectedRecHit2D_H
0003
0004 #include "TrackingTools/TransientTrackingRecHit/interface/TransientTrackingRecHit.h"
0005 #include "TrackingTools/TransientTrackingRecHit/interface/HelpertRecHit2DLocalPos.h"
0006 #include "TrackingTools/KalmanUpdators/interface/TrackingRecHitPropagator.h"
0007
0008 class GenericProjectedRecHit2D : public TransientTrackingRecHit {
0009 public:
0010   GenericProjectedRecHit2D(const LocalPoint& pos,
0011                            const LocalError& err,
0012                            const GeomDet* det,
0013                            const GeomDet* originaldet,
0014                            const TransientTrackingRecHit::ConstRecHitPointer originalHit,
0015                            const TrackingRecHitPropagator* propagator);
0016
0017   AlgebraicSymMatrix parametersError() const override {
0018     return HelpertRecHit2DLocalPos().parError(localPositionError(), *det());
0019   }
0020
0021   //virtual ~GenericProjectedRecHit2D(){delete theOriginalTransientHit;}
0022
0023   AlgebraicVector parameters() const override;
0024
0025   LocalPoint localPosition() const override { return theLp; }
0026
0027   LocalError localPositionError() const override { return theLe; }
0028
0029   AlgebraicMatrix projectionMatrix() const override { return theProjectionMatrix; }
0030
0031   virtual DetId geographicalId() const { return det() ? det()->geographicalId() : DetId(); }
0032
0033   int dimension() const override { return theDimension; }
0034
0035   //this hit lays on the original surface, NOT on the projection surface
0036   const TrackingRecHit* hit() const override { return theOriginalTransientHit->hit(); }
0037
0038   TrackingRecHit* cloneHit() const override { return theOriginalTransientHit->cloneHit(); }
0039
0040   virtual bool isValid() const { return true; }
0041
0042   std::vector<const TrackingRecHit*> recHits() const override {
0043     //return theOriginalTransientHit->hit()->recHits();
0044     return std::vector<const TrackingRecHit*>();
0045   }
0046
0047   std::vector<TrackingRecHit*> recHits() override {
0048     //should it do something different?
0049     return std::vector<TrackingRecHit*>();
0050   }
0051
0052   const TrackingRecHitPropagator* propagator() const { return thePropagator; }
0053
0054   bool canImproveWithTrack() const override { return true; }
0055
0056   const GeomDet* originalDet() const { return theOriginalDet; }
0057
0058   static RecHitPointer build(const LocalPoint& pos,
0059                              const LocalError& err,
0060                              const GeomDet* det,
0061                              const GeomDet* originaldet,
0062                              const TransientTrackingRecHit::ConstRecHitPointer originalHit,
0063                              const TrackingRecHitPropagator* propagator) {
0064     return RecHitPointer(new GenericProjectedRecHit2D(pos, err, det, originaldet, originalHit, propagator));
0065   }
0066
0067   RecHitPointer clone(const TrajectoryStateOnSurface& ts, const TransientTrackingRecHitBuilder*) const;
0068
0069 private:
0070   const GeomDet* theOriginalDet;
0071   TransientTrackingRecHit::ConstRecHitPointer theOriginalTransientHit;
0072   LocalPoint theLp;
0073   LocalError theLe;
0074   AlgebraicMatrix theProjectionMatrix;
0075   const TrackingRecHitPropagator* thePropagator;
0076   //const TrackingRecHit* theOriginalHit;
0077   int theDimension;
0078
0079   GenericProjectedRecHit2D* clone() const override { return new GenericProjectedRecHit2D(*this); }
0080 };
0081
0082 #endif