l1tpf Namespace Reference

Classes
class	corrector
class	HGC3DClusterEgID
class	ParametricResolution
class	PFClusterProducerFromHGC3DClusters
class	PFClusterProducerFromL1EGClusters
class	PFTrackProducerFromL1Tracks

Functions
std::pair< float, float >	propagateToCalo (const math::XYZTLorentzVector &iMom, const math::XYZTLorentzVector &iVtx, double iCharge, double iBField)

Function Documentation

propagateToCalo()

std::pair< float, float > l1tpf::propagateToCalo	(	const math::XYZTLorentzVector &	iMom,
		const math::XYZTLorentzVector &	iVtx,
		double	iCharge,
		double	iBField
	)

Definition at line 7 of file L1TPFUtils.cc.

                                                               {
  BaseParticlePropagator prop = BaseParticlePropagator(RawParticle(iMom, iVtx, iCharge), 0., 0., iBField);
  prop.propagateToEcalEntrance(false);
  double ecalShowerDepth = reco::PFCluster::getDepthCorrection(prop.particle().momentum().E(), false, false);
  math::XYZVector point = math::XYZVector(prop.particle().vertex()) +
                          math::XYZTLorentzVector(prop.particle().momentum()).Vect().Unit() * ecalShowerDepth;
  return std::make_pair(point.eta(), point.phi());
}

References reco::PFCluster::getDepthCorrection(), RawParticle::momentum(), BaseParticlePropagator::particle(), point, BaseParticlePropagator::propagateToEcalEntrance(), and RawParticle::vertex().

Referenced by l1tpf::PFTrackProducerFromL1Tracks::produce().