PerigeeRefittedTrackState.h

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#ifndef PerigeeRefittedTrackState_H
#define PerigeeRefittedTrackState_H
 
#include "DataFormats/GeometrySurface/interface/ReferenceCounted.h"
#include "RecoVertex/VertexPrimitives/interface/RefittedTrackState.h"
#include "TrackingTools/TrajectoryState/interface/TrajectoryStateClosestToPoint.h"
 
class FreeTrajectoryState;
class TrajectoryStateOnSurface;
class Surface;
class Propagator;
 
class PerigeeRefittedTrackState : public RefittedTrackState<5> {
public:
  typedef ReferenceCountingPointer<RefittedTrackState<5> > RefCountedRefittedTrackState;
 
  PerigeeRefittedTrackState(const TrajectoryStateClosestToPoint& tscp,
                            const AlgebraicVector3& aMomentumAtVertex,
                            const double aWeight = 1.)
      : theState(tscp), momentumAtVertex(aMomentumAtVertex), theWeight(aWeight) {}
 
  ~PerigeeRefittedTrackState() override {}
 
  FreeTrajectoryState freeTrajectoryState() const override { return theState.theState(); }
 
  TrajectoryStateOnSurface trajectoryStateOnSurface(const Surface& surface) const override;
 
  TrajectoryStateOnSurface trajectoryStateOnSurface(const Surface& surface,
                                                    const Propagator& propagator) const override;
 
  AlgebraicVector5 parameters() const override { return theState.perigeeParameters().vector(); }
 
  AlgebraicSymMatrix55 covariance() const override { return theState.perigeeError().covarianceMatrix(); }
 
  GlobalPoint position() const override { return theState.referencePoint(); }
 
  AlgebraicVector3 momentumVector() const override;
 
  double weight() const override { return theWeight; }
 
  ReferenceCountingPointer<RefittedTrackState<5> > stateWithNewWeight(const double newWeight) const override;
 
  std::vector<ReferenceCountingPointer<RefittedTrackState<5> > > components() const override;
 
  reco::TransientTrack transientTrack() const override;
 
private:
  TrajectoryStateClosestToPoint theState;
  AlgebraicVector3 momentumAtVertex;
  double theWeight;
};
#endif