#include <RecoTauIsolationMasking.h>

Classes
struct	IsoMaskResult
Public Member Functions
IsoMaskResult	mask (const reco::PFTau &) const
	Return a new isolation collections with masking applied.
	RecoTauIsolationMasking (const edm::ParameterSet &pset)
void	setMaxSigmas (double maxSigmas)
	~RecoTauIsolationMasking ()
Private Member Functions
bool	inCone (const reco::PFCandidate &track, const reco::PFCandidate &cand) const
double	resolution (const reco::PFCandidate &cand) const
Private Attributes
double	ecalCone_
double	finalHcalCone_
double	hcalCone_
double	maxSigmas_
std::auto_ptr< PFEnergyResolution >	resolutions_

Detailed Description

Definition at line 24 of file RecoTauIsolationMasking.h.

Constructor & Destructor Documentation

reco::tau::RecoTauIsolationMasking::RecoTauIsolationMasking ( const edm::ParameterSet & pset )

Definition at line 63 of file RecoTauIsolationMasking.cc.

References ecalCone_, finalHcalCone_, edm::ParameterSet::getParameter(), hcalCone_, and maxSigmas_.

                                :resolutions_(new PFEnergyResolution) {
  ecalCone_ = pset.getParameter<double>("ecalCone");
  hcalCone_ = pset.getParameter<double>("hcalCone");
  finalHcalCone_ = pset.getParameter<double>("finalHcalCone");
  maxSigmas_ = pset.getParameter<double>("maxSigmas");
}

reco::tau::RecoTauIsolationMasking::~RecoTauIsolationMasking ( )

Definition at line 72 of file RecoTauIsolationMasking.cc.

{}

Member Function Documentation

bool reco::tau::RecoTauIsolationMasking::inCone	(	const reco::PFCandidate &	track,
		const reco::PFCandidate &	cand
	)		const `[private]`

Definition at line 163 of file RecoTauIsolationMasking.cc.

References reco::deltaR(), alignCSCRings::e, ecalCone_, reco::PFCandidate::gamma, reco::PFCandidate::h0, hcalCone_, reco::LeafCandidate::p4(), reco::PFCandidate::particleId(), and reco::PFCandidate::positionAtECALEntrance().

                                       {
  double openingDR = reco::deltaR(track.positionAtECALEntrance(), cand.p4());
  if (cand.particleId() == reco::PFCandidate::h0) {
    return (openingDR < hcalCone_);
  } else if (cand.particleId() == reco::PFCandidate::gamma ||
      cand.particleId() == reco::PFCandidate::e) {
    return openingDR < ecalCone_;
  } else {
    edm::LogWarning("IsoMask::inCone (bad pf id)")
      << "Unknown PF ID: " << cand.particleId()
      << " " <<  reco::PFCandidate::e;
  }
  return -1;
}

RecoTauIsolationMasking::IsoMaskResult reco::tau::RecoTauIsolationMasking::mask ( const reco::PFTau & tau ) const

Return a new isolation collections with masking applied.

Definition at line 114 of file L1GtPatternWriter.cc.

                                                { 
    if(length < 32) { 
        return ~((~0) << length);
    } else { 
        return ~0;
    }
}

double reco::tau::RecoTauIsolationMasking::resolution ( const reco::PFCandidate & cand ) const [private]

Definition at line 145 of file RecoTauIsolationMasking.cc.

References alignCSCRings::e, reco::LeafCandidate::energy(), reco::LeafCandidate::eta(), reco::PFCandidate::gamma, reco::PFCandidate::h0, reco::PFCandidate::particleId(), reco::LeafCandidate::phi(), and resolutions_.

                                       {
  if (cand.particleId() == reco::PFCandidate::h0) {
    // NB for HCAL it returns relative energy
    return cand.energy()*resolutions_->getEnergyResolutionHad(cand.energy(),
        cand.eta(), cand.phi());
  } else if (cand.particleId() == reco::PFCandidate::gamma) {
    return resolutions_->getEnergyResolutionEm(cand.energy(), cand.eta());
  } else if (cand.particleId() == reco::PFCandidate::e) {
    // FIXME what is the electron resolution??
    return 0.15;
  } else {
    edm::LogWarning("IsoMask::res (bad pf id)")
      << "Unknown PF ID: " << cand.particleId();
  }
  return -1;
}