SeedFromProtoTrack Class Reference

#include <SeedFromProtoTrack.h>

Classes
struct	Config

Public Member Functions
bool	isValid () const
	SeedFromProtoTrack (const Config &, const reco::Track &proto, const edm::EventSetup &)
	SeedFromProtoTrack (const Config &, 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 Config &, 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 25 of file SeedFromProtoTrack.h.

Member Typedef Documentation

RecHitContainer

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

private

Definition at line 51 of file SeedFromProtoTrack.h.

Constructor & Destructor Documentation

SeedFromProtoTrack() [1/2]

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

Definition at line 39 of file SeedFromProtoTrack.cc.

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

    : 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(config, proto, es);
}

SeedFromProtoTrack() [2/2]

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

Definition at line 27 of file SeedFromProtoTrack.cc.

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

    : 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(config, proto, es);
}

~SeedFromProtoTrack()

SeedFromProtoTrack::~SeedFromProtoTrack ( )

inline

Definition at line 38 of file SeedFromProtoTrack.h.

{}

Member Function Documentation

direction()

PropagationDirection SeedFromProtoTrack::direction ( ) const

inlineprivate

Definition at line 47 of file SeedFromProtoTrack.h.

References alongMomentum.

Referenced by trajectorySeed().

{ return alongMomentum; }

hits()

const RecHitContainer& SeedFromProtoTrack::hits ( void  ) const

inlineprivate

Definition at line 52 of file SeedFromProtoTrack.h.

References theHits.

Referenced by SeedFromProtoTrack(), and trajectorySeed().

{ return theHits; }

init()

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

private

Definition at line 50 of file SeedFromProtoTrack.cc.

References edm::OwnVector< T, P >::back(), reco::TrackBase::charge(), reco::TrackBase::covariance(), TauDecayModes::dec, submitPVResolutionJobs::err, TrackingRecHit::geographicalId(), edm::EventSetup::getData(), 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 L1BJetProducer_cff::vtx.

Referenced by SeedFromProtoTrack().

                                                                                                   {
  TrackerGeometry const& tracker = es.getData(config.trackerToken_);

  const Propagator* propagator = &es.getData(config.propagatorToken_);

  const MagneticField* field = &es.getData(config.fieldToken_);

  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());
}

isValid()

bool SeedFromProtoTrack::isValid ( void  ) const

inline

Definition at line 42 of file SeedFromProtoTrack.h.

References theValid.

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

{ return theValid; }

trajectorySeed()

TrajectorySeed SeedFromProtoTrack::trajectorySeed

(

)

const

Definition at line 84 of file SeedFromProtoTrack.cc.

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

Referenced by SeedGeneratorFromProtoTracksEDProducer::produce().

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

trajectoryState()

PTrajectoryStateOnDet const& SeedFromProtoTrack::trajectoryState ( ) const

inlineprivate

Definition at line 49 of file SeedFromProtoTrack.h.

References thePTraj.

Referenced by trajectorySeed().

{ return thePTraj; }

Member Data Documentation

theHits

RecHitContainer SeedFromProtoTrack::theHits

private

Definition at line 56 of file SeedFromProtoTrack.h.

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

thePTraj

PTrajectoryStateOnDet SeedFromProtoTrack::thePTraj

private

Definition at line 57 of file SeedFromProtoTrack.h.

Referenced by init(), and trajectoryState().

theValid

bool SeedFromProtoTrack::theValid

private

Definition at line 55 of file SeedFromProtoTrack.h.

Referenced by init(), and isValid().