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SeedFromProtoTrack Class Reference

#include <RecoTracker/TkSeedGenerator/interface/SeedFromProtoTrack.h>

List of all members.

Public Member Functions
bool	isValid () const
	SeedFromProtoTrack (const reco::Track &proto, const std::vector< ctfseeding::SeedingHit > &hits, const edm::EventSetup &es)
	SeedFromProtoTrack (const reco::Track &proto, const edm::EventSetup &)
TrajectorySeed	trajectorySeed () const
	~SeedFromProtoTrack ()
Private Types
typedef edm::OwnVector < TrackingRecHit >	RecHitContainer
Private Member Functions
PropagationDirection	direction () const
const RecHitContainer &	hits () const
void	init (const reco::Track &proto, const edm::EventSetup &es)
PTrajectoryStateOnDet	trajectoryState () const
Private Attributes
RecHitContainer	theHits
boost::shared_ptr < PTrajectoryStateOnDet >	thePTraj
bool	theValid

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Detailed Description

Definition at line 13 of file SeedFromProtoTrack.h.

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Member Typedef Documentation

typedef edm::OwnVector<TrackingRecHit> SeedFromProtoTrack::RecHitContainer [private]

Definition at line 36 of file SeedFromProtoTrack.h.

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Constructor & Destructor Documentation

SeedFromProtoTrack::SeedFromProtoTrack	(	const reco::Track &	proto,
		const edm::EventSetup &	es
	)

Definition at line 30 of file SeedFromProtoTrack.cc.

References TrackingRecHit::clone(), init(), edm::OwnVector< T, P >::push_back(), reco::Track::recHit(), reco::Track::recHitsSize(), and theHits.

  : theValid(true)
{
  const TrackingRecHit* hit = 0;
  for (unsigned int iHit = 0, nHits = proto.recHitsSize(); iHit < nHits; ++iHit) {
    TrackingRecHitRef refHit = proto.recHit(iHit);
    hit = &(*refHit);
    theHits.push_back( hit->clone() );
  }
  init(proto,es);
}

SeedFromProtoTrack::SeedFromProtoTrack	(	const reco::Track &	proto,
		const std::vector< ctfseeding::SeedingHit > &	hits,
		const edm::EventSetup &	es
	)

Definition at line 19 of file SeedFromProtoTrack.cc.

References TrackingRecHit::clone(), i, init(), n, edm::OwnVector< T, P >::push_back(), and theHits.

  : theValid(true)
{
  for (unsigned int i= 0, n = hits.size(); i< n; ++i) {
    const TrackingRecHit * trh = hits[i];
   theHits.push_back( trh->clone() ); 
  }
  init(proto, es);
}

SeedFromProtoTrack::~SeedFromProtoTrack

(

)

[inline]

Definition at line 21 of file SeedFromProtoTrack.h.

{}

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Member Function Documentation

PropagationDirection SeedFromProtoTrack::direction

(

void

)

const [inline, private]

Definition at line 31 of file SeedFromProtoTrack.h.

References alongMomentum.

Referenced by trajectorySeed().

{ return alongMomentum; }

const RecHitContainer& SeedFromProtoTrack::hits

(

)

const [inline, private]

Definition at line 37 of file SeedFromProtoTrack.h.

References theHits.

Referenced by trajectorySeed().

{ return theHits; }

void SeedFromProtoTrack::init	(	const reco::Track &	proto,
		const edm::EventSetup &	es
	)			[private]

Definition at line 43 of file SeedFromProtoTrack.cc.

References edm::OwnVector< T, P >::back(), reco::TrackBase::charge(), reco::TrackBase::covariance(), err, TrackingRecHit::geographicalId(), edm::EventSetup::get(), reco::TrackBase::momentum(), TrajectoryStateTransform::persistentState(), Propagator::propagate(), DetId::rawId(), reco::TrackBase::referencePoint(), theHits, and thePTraj.

Referenced by SeedFromProtoTrack().

{
  edm::ESHandle<TrackerGeometry> tracker;
  es.get<TrackerDigiGeometryRecord>().get(tracker);

  edm::ESHandle<Propagator>  propagatorHandle;
  es.get<TrackingComponentsRecord>().get("PropagatorWithMaterial",propagatorHandle);
  const Propagator*  propagator = &(*propagatorHandle);

  edm::ESHandle<MagneticField> field;
  es.get<IdealMagneticFieldRecord>().get(field);

  reco::TrackBase::Point  vtx = proto.referencePoint();
  reco::TrackBase::Vector mom = proto.momentum();
  GlobalTrajectoryParameters gtp( 
      GlobalPoint(vtx.x(),vtx.y(),vtx.z()),
      GlobalVector(mom.x(),mom.y(),mom.z()),
      proto.charge(),  &(*field) ); 

  CurvilinearTrajectoryError err = proto.covariance();

  FreeTrajectoryState fts( gtp, err);

  const TrackingRecHit & lastHit = theHits.back();

  TrajectoryStateOnSurface outerState =
      propagator->propagate(fts, tracker->idToDet(lastHit.geographicalId())->surface());

  TrajectoryStateTransform transformer;
  thePTraj = boost::shared_ptr<PTrajectoryStateOnDet>(
      transformer.persistentState(outerState, lastHit.geographicalId().rawId()) );


}

bool SeedFromProtoTrack::isValid

(

void

)

const [inline]

Definition at line 25 of file SeedFromProtoTrack.h.

References theValid.

Referenced by TSGFromL1Muon::produce(), and SeedGeneratorFromProtoTracksEDProducer::produce().

{ return theValid; }

TrajectorySeed SeedFromProtoTrack::trajectorySeed

(

)

const

Definition at line 78 of file SeedFromProtoTrack.cc.

References direction(), hits(), and trajectoryState().

Referenced by TSGFromL1Muon::produce(), and SeedGeneratorFromProtoTracksEDProducer::produce().

{
  return TrajectorySeed( trajectoryState(), hits(), direction());
}

PTrajectoryStateOnDet SeedFromProtoTrack::trajectoryState

(

)

const [inline, private]

Definition at line 33 of file SeedFromProtoTrack.h.

References thePTraj.

Referenced by trajectorySeed().

{ return *thePTraj; }

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Member Data Documentation

RecHitContainer SeedFromProtoTrack::theHits [private]

Definition at line 42 of file SeedFromProtoTrack.h.

Referenced by hits(), init(), and SeedFromProtoTrack().

boost::shared_ptr<PTrajectoryStateOnDet> SeedFromProtoTrack::thePTraj [private]

Definition at line 43 of file SeedFromProtoTrack.h.

Referenced by init(), and trajectoryState().

bool SeedFromProtoTrack::theValid [private]

Definition at line 41 of file SeedFromProtoTrack.h.

Referenced by isValid().

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The documentation for this class was generated from the following files:

• RecoTracker/TkSeedGenerator/interface/SeedFromProtoTrack.h
• RecoTracker/TkSeedGenerator/src/SeedFromProtoTrack.cc

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