SeedFromProtoTrack Class Reference

#include <SeedFromProtoTrack.h>

Public Member Functions
bool	isValid () const
	SeedFromProtoTrack (const reco::Track &proto, const edm::EventSetup &)
	SeedFromProtoTrack (const reco::Track &proto, const SeedingHitSet &hits, const edm::EventSetup &es)
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 const &	trajectoryState () const

Private Attributes
RecHitContainer	theHits
PTrajectoryStateOnDet	thePTraj
bool	theValid

Detailed Description

Definition at line 16 of file SeedFromProtoTrack.h.

Member Typedef Documentation

RecHitContainer

typedef edm::OwnVector<TrackingRecHit> SeedFromProtoTrack::RecHitContainer

private

Definition at line 34 of file SeedFromProtoTrack.h.

Constructor & Destructor Documentation

SeedFromProtoTrack() [1/2]

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

Definition at line 30 of file SeedFromProtoTrack.cc.

                                                                                      : theValid(true) {
  const TrackingRecHit* hit = nullptr;
  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);
}

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

SeedFromProtoTrack() [2/2]

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

Definition at line 21 of file SeedFromProtoTrack.cc.

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

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

~SeedFromProtoTrack()

SeedFromProtoTrack::~SeedFromProtoTrack ( )

inline

Definition at line 21 of file SeedFromProtoTrack.h.

{}

Member Function Documentation

direction()

PropagationDirection SeedFromProtoTrack::direction ( ) const

inlineprivate

Definition at line 30 of file SeedFromProtoTrack.h.

{ return alongMomentum; }

References alongMomentum.

Referenced by trajectorySeed().

hits()

const RecHitContainer& SeedFromProtoTrack::hits ( void  ) const

inlineprivate

Definition at line 35 of file SeedFromProtoTrack.h.

{ return theHits; }

References theHits.

Referenced by SeedFromProtoTrack(), and trajectorySeed().

init()

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

private

Definition at line 40 of file SeedFromProtoTrack.cc.

                                                                             {
  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);  //fixme
 
  const reco::TrackBase::Point& vtx = proto.referencePoint();
  const 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());
 
  if (!outerState.isValid()) {
    const Surface& surface = tracker->idToDet(lastHit.geographicalId())->surface();
    edm::LogError("SeedFromProtoTrack") << " was trying to create a seed from:\n"
                                        << fts << "\n propagating to: " << std::hex << lastHit.geographicalId().rawId()
                                        << std::dec << ' ' << surface.position();
    theValid = false;
    return;
  }
  theValid = true;
 
  thePTraj = trajectoryStateTransform::persistentState(outerState, lastHit.geographicalId().rawId());
}

References edm::OwnVector< T, P >::back(), reco::TrackBase::charge(), reco::TrackBase::covariance(), TauDecayModes::dec, submitPVResolutionJobs::err, TrackingRecHit::geographicalId(), edm::EventSetup::get(), get, TrajectoryStateOnSurface::isValid(), reco::TrackBase::momentum(), trajectoryStateTransform::persistentState(), GloballyPositioned< T >::position(), TrackCandidateProducer_cfi::propagator, DetId::rawId(), reco::TrackBase::referencePoint(), theHits, thePTraj, theValid, PbPb_ZMuSkimMuonDPG_cff::tracker, and extraflags_cff::vtx.

Referenced by SeedFromProtoTrack().

isValid()

bool SeedFromProtoTrack::isValid ( void  ) const

inline

Definition at line 25 of file SeedFromProtoTrack.h.

{ return theValid; }

References theValid.

Referenced by ntupleDataFormat._Object::_checkIsValid(), SeedGeneratorFromProtoTracksEDProducer::produce(), and core.AutoHandle.AutoHandle::ReallyLoad().

trajectorySeed()

TrajectorySeed SeedFromProtoTrack::trajectorySeed

(

)

const

Definition at line 78 of file SeedFromProtoTrack.cc.

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

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

Referenced by SeedGeneratorFromProtoTracksEDProducer::produce().

trajectoryState()

PTrajectoryStateOnDet const& SeedFromProtoTrack::trajectoryState ( ) const

inlineprivate

Definition at line 32 of file SeedFromProtoTrack.h.

{ return thePTraj; }

References thePTraj.

Referenced by trajectorySeed().

Member Data Documentation

theHits

RecHitContainer SeedFromProtoTrack::theHits

private

Definition at line 39 of file SeedFromProtoTrack.h.

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

thePTraj

PTrajectoryStateOnDet SeedFromProtoTrack::thePTraj

private

Definition at line 40 of file SeedFromProtoTrack.h.

Referenced by init(), and trajectoryState().

theValid

bool SeedFromProtoTrack::theValid

private

Definition at line 38 of file SeedFromProtoTrack.h.

Referenced by init(), and isValid().