#include <CombinedSVComputer.h>

Inheritance diagram for CombinedSVComputer:

Classes
struct	IterationRange

Public Member Functions
	CombinedSVComputer (const edm::ParameterSet &params)

edm::ParameterSet	dropDeltaR (const edm::ParameterSet &pset) const

template<class SVTI , class IPTI >
void	fillCommonVariables (reco::TaggingVariableList &vars, reco::TrackKinematics &vertexKinematics, const IPTI &ipInfo, const SVTI &svInfo, double &vtx_track_ptSum, double &vtx_track_ESum) const

IterationRange	flipIterate (int size, bool vertex) const

double	flipValue (double value, bool vertex) const

virtual reco::TaggingVariableList	operator() (const reco::TrackIPTagInfo &ipInfo, const reco::SecondaryVertexTagInfo &svInfo) const

virtual reco::TaggingVariableList	operator() (const reco::CandIPTagInfo &ipInfo, const reco::CandSecondaryVertexTagInfo &svInfo) const

const reco::btag::TrackIPData &	threshTrack (const reco::CandIPTagInfo &trackIPTagInfo, const reco::btag::SortCriteria sort, const reco::Jet &jet, const GlobalPoint &pv) const

const reco::btag::TrackIPData &	threshTrack (const reco::TrackIPTagInfo &trackIPTagInfo, const reco::btag::SortCriteria sort, const reco::Jet &jet, const GlobalPoint &pv) const

Private Attributes
double	charmCut

double	minTrackWeight

unsigned int	pseudoMultiplicityMin

reco::V0Filter	pseudoVertexV0Filter

reco::btag::SortCriteria	sortCriterium

std::vector < reco::btau::TaggingVariableName >	taggingVariables

bool	trackFlip

unsigned int	trackMultiplicityMin

reco::TrackSelector	trackNoDeltaRSelector

reco::V0Filter	trackPairV0Filter

reco::TrackSelector	trackPseudoSelector

reco::TrackSelector	trackSelector

bool	useTrackWeights

bool	vertexFlip

bool	vertexMassCorrection

Detailed Description

Definition at line 42 of file CombinedSVComputer.h.

Constructor & Destructor Documentation

CombinedSVComputer::CombinedSVComputer ( const edm::ParameterSet & params )

explicit

Definition at line 13 of file CombinedSVComputer.cc.

                                                                     :
     trackFlip(params.getParameter<bool>("trackFlip")),
     vertexFlip(params.getParameter<bool>("vertexFlip")),
     charmCut(params.getParameter<double>("charmCut")),
     sortCriterium(TrackSorting::getCriterium(params.getParameter<std::string>("trackSort"))),
     trackSelector(params.getParameter<edm::ParameterSet>("trackSelection")),
     trackNoDeltaRSelector(dropDeltaR(params.getParameter<edm::ParameterSet>("trackSelection"))),
     trackPseudoSelector(params.getParameter<edm::ParameterSet>("trackPseudoSelection")),
     pseudoMultiplicityMin(params.getParameter<unsigned int>("pseudoMultiplicityMin")),
     trackMultiplicityMin(params.getParameter<unsigned int>("trackMultiplicityMin")),
     minTrackWeight(params.getParameter<double>("minimumTrackWeight")),
     useTrackWeights(params.getParameter<bool>("useTrackWeights")),
     vertexMassCorrection(params.getParameter<bool>("correctVertexMass")),
     pseudoVertexV0Filter(params.getParameter<edm::ParameterSet>("pseudoVertexV0Filter")),
     trackPairV0Filter(params.getParameter<edm::ParameterSet>("trackPairV0Filter"))
 {
 
 }

Member Function Documentation

edm::ParameterSet CombinedSVComputer::dropDeltaR ( const edm::ParameterSet & pset ) const

inline

Definition at line 6 of file CombinedSVComputer.cc.

References edm::ParameterSet::addParameter().

 {
     edm::ParameterSet psetCopy(pset);
     psetCopy.addParameter<double>("jetDeltaRMax", 99999.0);
     return psetCopy;
 }

template<class SVTI , class IPTI >

void CombinedSVComputer::fillCommonVariables	(	reco::TaggingVariableList &	vars,
		reco::TrackKinematics &	vertexKinematics,
		const IPTI &	ipInfo,
		const SVTI &	svInfo,
		double &	vtx_track_ptSum,
		double &	vtx_track_ESum
	)		const

Definition at line 95 of file CombinedSVComputer.h.

References reco::TrackKinematics::add(), reco::btau::chargedHadronEnergyFraction, reco::btau::chargedHadronMultiplicity, reco::btag::TrackIPData::closestToJetAxis, data, deltaR(), HLT_25ns14e33_v1_cff::DeltaR, dir, reco::btag::TrackIPData::distanceToJetAxis, reco::btau::electronEnergyFraction, reco::btau::electronMultiplicity, reco::btau::etaRel(), reco::btau::flightDistance2dSig, reco::btau::flightDistance2dVal, reco::btau::flightDistance3dSig, reco::btau::flightDistance3dVal, flipIterate(), flipValue(), reco::btau::hadronMultiplicity, reco::btau::hadronPhotonMultiplicity, i, customizeTrackingMonitorSeedNumber::idx, reco::TaggingVariableList::insert(), reco::btag::TrackIPData::ip2d, reco::btag::IP2DSig, reco::btag::TrackIPData::ip3d, reco::btag::IP3DSig, j, metsig::jet, reco::btau::jetEta, reco::btau::jetNSecondaryVertices, reco::btau::jetNTracks, reco::btau::jetPt, PV3DBase< T, PVType, FrameType >::mag2(), reco::btau::massVertexEnergyFraction, reco::TrackBase::momentum(), reco::btau::muonEnergyFraction, reco::btau::muonMultiplicity, reco::btau::neutralHadronEnergyFraction, reco::btau::neutralHadronMultiplicity, reco::btag::Vertices::NoVertex, reco::TrackKinematics::numberOfTracks(), convertSQLiteXML::ok, reco::btau::photonEnergyFraction, reco::btau::photonMultiplicity, reco::ParticleMasses::piPlus, pseudoMultiplicityMin, reco::btag::Vertices::PseudoVertex, pseudoVertexV0Filter, MetAnalyzer::pv(), range_for, dt_dqm_sourceclient_common_cff::reco, reco::btag::Vertices::RecoVertex, Measurement1D::significance(), sortCriterium, mathSSE::sqrt(), threshTrack(), reco::btau::totalMultiplicity, reco::btag::toTrack(), reco::btau::trackDecayLenVal, reco::btau::trackDeltaR, reco::btau::trackEta, reco::btau::trackEtaRel, reco::btau::trackJetDistVal, reco::btau::trackJetPt, reco::btau::trackMomentum, trackMultiplicityMin, trackPairV0Filter, reco::btau::trackPPar, reco::btau::trackPParRatio, trackPseudoSelector, reco::btau::trackPtRatio, reco::btau::trackPtRel, testEve_cfg::tracks, trackSelector, reco::btau::trackSip2dSig, reco::btau::trackSip2dSigAboveCharm, reco::btau::trackSip2dVal, reco::btau::trackSip2dValAboveCharm, reco::btau::trackSip3dSig, reco::btau::trackSip3dSigAboveCharm, reco::btau::trackSip3dVal, reco::btau::trackSip3dValAboveCharm, reco::btau::trackSumJetDeltaR, reco::btau::trackSumJetEtRatio, useTrackWeights, Measurement1D::value(), reco::TrackKinematics::vectorSum(), reco::btau::vertexBoostOverSqrtJetPt, reco::btau::vertexCategory, reco::btau::vertexEnergyRatio, reco::btau::vertexJetDeltaR, reco::btau::vertexMass, vertexMassCorrection, reco::btau::vertexNTracks, reco::TrackKinematics::weightedVectorSum(), PV3DBase< T, PVType, FrameType >::x(), PV3DBase< T, PVType, FrameType >::y(), and PV3DBase< T, PVType, FrameType >::z().

Referenced by operator()().

 {
         using namespace ROOT::Math;
         using namespace reco;
 
         edm::RefToBase<Jet> jet = ipInfo.jet();
         math::XYZVector jetDir = jet->momentum().Unit();
         bool havePv = ipInfo.primaryVertex().isNonnull();
         GlobalPoint pv;
         if (havePv)
                 pv = GlobalPoint(ipInfo.primaryVertex()->x(),
                                  ipInfo.primaryVertex()->y(),
                                  ipInfo.primaryVertex()->z());
 
         btag::Vertices::VertexType vtxType = btag::Vertices::NoVertex;
 
 
         vars.insert(btau::jetPt, jet->pt(), true);
         vars.insert(btau::jetEta, jet->eta(), true);
 
         if (ipInfo.selectedTracks().size() < trackMultiplicityMin)
                 return;
 
     vars.insert(btau::jetNTracks, ipInfo.selectedTracks().size(), true);
     
         TrackKinematics allKinematics;
     TrackKinematics trackJetKinematics;
     
     double jet_track_ESum= 0.;
     
     int vtx = -1;
     
     IterationRange range = flipIterate(svInfo.nVertices(), true);
     range_for(i , range) {
         if (vtx < 0) vtx = i;
     }
 
     if (vtx >= 0) {
         vtxType = btag::Vertices::RecoVertex;
         
         vars.insert(btau::flightDistance2dVal,flipValue(svInfo.flightDistance(vtx, true).value(),true),true);
         vars.insert(btau::flightDistance2dSig,flipValue(svInfo.flightDistance(vtx, true).significance(),true),true);
         vars.insert(btau::flightDistance3dVal,flipValue(svInfo.flightDistance(vtx, false).value(),true),true);
         vars.insert(btau::flightDistance3dSig,flipValue(svInfo.flightDistance(vtx, false).significance(),true),true);
         vars.insert(btau::vertexJetDeltaR,Geom::deltaR(svInfo.flightDirection(vtx), jetDir),true);
         vars.insert(btau::jetNSecondaryVertices, svInfo.nVertices(), true);
     }
 
     std::vector<std::size_t> indices = ipInfo.sortedIndexes(sortCriterium);
     const std::vector<reco::btag::TrackIPData> &ipData = ipInfo.impactParameterData();
 
     const typename IPTI::input_container &tracks = ipInfo.selectedTracks();
     std::vector<const Track *> pseudoVertexTracks;
 
         const Track * trackPairV0Test[2];
         range = flipIterate(indices.size(), false);
         range_for(i, range) {
                 std::size_t idx = indices[i];
                 const reco::btag::TrackIPData &data = ipData[idx];
                 const Track * trackPtr = reco::btag::toTrack(tracks[idx]);
                 const Track &track = *trackPtr;
 
                 jet_track_ESum += std::sqrt(track.momentum().Mag2() + ROOT::Math::Square(ParticleMasses::piPlus));
 
                 // add track to kinematics for all tracks in jet
                 //allKinematics.add(track); // would make more sense for some variables, e.g. vertexEnergyRatio nicely between 0 and 1, but not necessarily the best option for the discriminating power...
 
                 // filter track -> this track selection can be tighter than the vertex track selection (used to fill the track related variables...)
                 if (!trackSelector(track, data, *jet, pv))
                         continue;
 
                 // add track to kinematics for all tracks in jet
                 allKinematics.add(track);
 
                 // if no vertex was reconstructed, attempt pseudo vertex
                 if (vtxType == btag::Vertices::NoVertex && trackPseudoSelector(track, data, *jet, pv)) {
                         pseudoVertexTracks.push_back(trackPtr);
                         vertexKinematics.add(track);
                 }
 
                 // check against all other tracks for V0 track pairs
                 trackPairV0Test[0] = reco::btag::toTrack(tracks[idx]);
                 bool ok = true;
                 range_for(j, range) {
                         if (i == j)
                                 continue;
 
                         std::size_t pairIdx = indices[j];
                         const reco::btag::TrackIPData &pairTrackData = ipData[pairIdx];
                         const Track * pairTrackPtr = reco::btag::toTrack(tracks[pairIdx]);
                         const Track &pairTrack = *pairTrackPtr;
 
                         if (!trackSelector(pairTrack, pairTrackData, *jet, pv))
                                 continue;
 
                         trackPairV0Test[1] = pairTrackPtr;
                         if (!trackPairV0Filter(trackPairV0Test, 2)) {
                                 ok = false;
                                 break;
                         }
                 }
                 if (!ok)
                         continue;
 
                 trackJetKinematics.add(track);
 
                 // add track variables
                 math::XYZVector trackMom = track.momentum();
                 double trackMag = std::sqrt(trackMom.Mag2());
 
                 vars.insert(btau::trackSip3dVal, flipValue(data.ip3d.value(), false), true);
                 vars.insert(btau::trackSip3dSig, flipValue(data.ip3d.significance(), false), true);
                 vars.insert(btau::trackSip2dVal, flipValue(data.ip2d.value(), false), true);
                 vars.insert(btau::trackSip2dSig, flipValue(data.ip2d.significance(), false), true);
                 vars.insert(btau::trackJetDistVal, data.distanceToJetAxis.value(), true);
 //              vars.insert(btau::trackJetDistSig, data.distanceToJetAxis.significance(), true);
 //              vars.insert(btau::trackFirstTrackDist, data.distanceToFirstTrack, true);
 //              vars.insert(btau::trackGhostTrackVal, data.distanceToGhostTrack.value(), true);
 //              vars.insert(btau::trackGhostTrackSig, data.distanceToGhostTrack.significance(), true);
                 vars.insert(btau::trackDecayLenVal, havePv ? (data.closestToJetAxis - pv).mag() : -1.0, true);
 
                 vars.insert(btau::trackMomentum, trackMag, true);
                 vars.insert(btau::trackEta, trackMom.Eta(), true);
 
                 vars.insert(btau::trackPtRel, VectorUtil::Perp(trackMom, jetDir), true);
                 vars.insert(btau::trackPPar, jetDir.Dot(trackMom), true);
                 vars.insert(btau::trackDeltaR, VectorUtil::DeltaR(trackMom, jetDir), true);
                 vars.insert(btau::trackPtRatio, VectorUtil::Perp(trackMom, jetDir) / trackMag, true);
                 vars.insert(btau::trackPParRatio, jetDir.Dot(trackMom) / trackMag, true);
         }
 
         if (vtxType == btag::Vertices::NoVertex && vertexKinematics.numberOfTracks() >= pseudoMultiplicityMin && pseudoVertexV0Filter(pseudoVertexTracks))
         {
                 vtxType = btag::Vertices::PseudoVertex;
                 for(std::vector<const Track *>::const_iterator track = pseudoVertexTracks.begin(); track != pseudoVertexTracks.end(); ++track)
                 {
                         vars.insert(btau::trackEtaRel, reco::btau::etaRel(jetDir,(*track)->momentum()), true);
                         vtx_track_ptSum += std::sqrt((*track)->momentum().Perp2());
                         vtx_track_ESum  += std::sqrt((*track)->momentum().Mag2() + ROOT::Math::Square(ParticleMasses::piPlus));
                 }
         }
 
     vars.insert(btau::vertexCategory, vtxType, true);
     
     vars.insert(btau::trackJetPt, trackJetKinematics.vectorSum().Pt(), true);
     vars.insert(btau::trackSumJetDeltaR,VectorUtil::DeltaR(allKinematics.vectorSum(), jetDir), true);
     vars.insert(btau::trackSumJetEtRatio,allKinematics.vectorSum().Et() / ipInfo.jet()->et(), true);
     
     vars.insert(btau::trackSip3dSigAboveCharm, flipValue(threshTrack(ipInfo, reco::btag::IP3DSig, *jet, pv).ip3d.significance(),false),true);
     vars.insert(btau::trackSip3dValAboveCharm, flipValue(threshTrack(ipInfo, reco::btag::IP3DSig, *jet, pv).ip3d.value(),false),true);
     vars.insert(btau::trackSip2dSigAboveCharm, flipValue(threshTrack(ipInfo, reco::btag::IP2DSig, *jet, pv).ip2d.significance(),false),true);
     vars.insert(btau::trackSip2dValAboveCharm, flipValue(threshTrack(ipInfo, reco::btag::IP2DSig, *jet, pv).ip2d.value(),false),true);
 
         if (vtxType != btag::Vertices::NoVertex) {
                 math::XYZTLorentzVector allSum = useTrackWeights
                         ? allKinematics.weightedVectorSum()
                         : allKinematics.vectorSum();
                 math::XYZTLorentzVector vertexSum = useTrackWeights
                         ? vertexKinematics.weightedVectorSum()
                         : vertexKinematics.vectorSum();
 
                 if (vtxType != btag::Vertices::RecoVertex) {
                         vars.insert(btau::vertexNTracks,vertexKinematics.numberOfTracks(), true);
                         vars.insert(btau::vertexJetDeltaR,VectorUtil::DeltaR(vertexSum, jetDir), true);
                 }
 
                 double vertexMass = vertexSum.M();
                 if (vtxType == btag::Vertices::RecoVertex &&
                     vertexMassCorrection) {
                         GlobalVector dir = svInfo.flightDirection(vtx);
                         double vertexPt2 = math::XYZVector(dir.x(), dir.y(), dir.z()).Cross(vertexSum).Mag2() / dir.mag2();
                         vertexMass = std::sqrt(vertexMass * vertexMass + vertexPt2) + std::sqrt(vertexPt2);
                 }
                 vars.insert(btau::vertexMass, vertexMass, true);
 
                 double varPi = (vertexMass/5.2794) * (vtx_track_ESum /jet_track_ESum); // 5.2794 should be the average B meson mass of PDG! CHECK!!!
                 vars.insert(btau::massVertexEnergyFraction, varPi / (varPi + 0.04), true);
                 double varB  = (std::sqrt(5.2794) * vtx_track_ptSum) / ( vertexMass * std::sqrt(jet->pt()));
                 vars.insert(btau::vertexBoostOverSqrtJetPt,varB*varB/(varB*varB + 10.), true);
 
                 if (allKinematics.numberOfTracks()) {
                         vars.insert(btau::vertexEnergyRatio, vertexSum.E() / allSum.E(), true);
                 }
                 else {
                         vars.insert(btau::vertexEnergyRatio, 1, true);
                 }
         }
 
     reco::PFJet const * pfJet = dynamic_cast<reco::PFJet const *>( &* jet ) ;
     pat::Jet const * patJet = dynamic_cast<pat::Jet const *>( &* jet ) ;
     if ( pfJet != 0 ) 
     {
         vars.insert(btau::chargedHadronEnergyFraction,pfJet->chargedHadronEnergyFraction(), true);
         vars.insert(btau::neutralHadronEnergyFraction,pfJet->neutralHadronEnergyFraction(), true);
         vars.insert(btau::photonEnergyFraction,pfJet->photonEnergyFraction(), true);
         vars.insert(btau::electronEnergyFraction,pfJet->electronEnergyFraction(), true);
         vars.insert(btau::muonEnergyFraction,pfJet->muonEnergyFraction(), true);
         vars.insert(btau::chargedHadronMultiplicity,pfJet->chargedHadronMultiplicity(), true);
         vars.insert(btau::neutralHadronMultiplicity,pfJet->neutralHadronMultiplicity(), true);
         vars.insert(btau::photonMultiplicity,pfJet->photonMultiplicity(), true);
         vars.insert(btau::electronMultiplicity,pfJet->electronMultiplicity(), true);
         vars.insert(btau::muonMultiplicity,pfJet->muonMultiplicity(), true);
         vars.insert(btau::hadronMultiplicity,pfJet->chargedHadronMultiplicity()+pfJet->neutralHadronMultiplicity(), true);
         vars.insert(btau::hadronPhotonMultiplicity,pfJet->chargedHadronMultiplicity()+pfJet->neutralHadronMultiplicity()+pfJet->photonMultiplicity(), true);
         vars.insert(btau::totalMultiplicity,pfJet->chargedHadronMultiplicity()+pfJet->neutralHadronMultiplicity()+pfJet->photonMultiplicity()+pfJet->electronMultiplicity()+pfJet->muonMultiplicity(), true);
 
     }
     else if( patJet != 0 && patJet->isPFJet() )
     {
         vars.insert(btau::chargedHadronEnergyFraction,patJet->chargedHadronEnergyFraction(), true);
         vars.insert(btau::neutralHadronEnergyFraction,patJet->neutralHadronEnergyFraction(), true);
         vars.insert(btau::photonEnergyFraction,patJet->photonEnergyFraction(), true);
         vars.insert(btau::electronEnergyFraction,patJet->electronEnergyFraction(), true);
         vars.insert(btau::muonEnergyFraction,patJet->muonEnergyFraction(), true);
         vars.insert(btau::chargedHadronMultiplicity,patJet->chargedHadronMultiplicity(), true);
         vars.insert(btau::neutralHadronMultiplicity,patJet->neutralHadronMultiplicity(), true);
         vars.insert(btau::photonMultiplicity,patJet->photonMultiplicity(), true);
         vars.insert(btau::electronMultiplicity,patJet->electronMultiplicity(), true);
         vars.insert(btau::muonMultiplicity,patJet->muonMultiplicity(), true);
         vars.insert(btau::hadronMultiplicity,patJet->chargedHadronMultiplicity()+patJet->neutralHadronMultiplicity(), true);
         vars.insert(btau::hadronPhotonMultiplicity,patJet->chargedHadronMultiplicity()+patJet->neutralHadronMultiplicity()+patJet->photonMultiplicity(), true);
         vars.insert(btau::totalMultiplicity,patJet->chargedHadronMultiplicity()+patJet->neutralHadronMultiplicity()+patJet->photonMultiplicity()+patJet->electronMultiplicity()+patJet->muonMultiplicity(), true);
     
     }
     else
     {
         vars.insert(btau::chargedHadronEnergyFraction,0., true);
         vars.insert(btau::neutralHadronEnergyFraction,0., true);
         vars.insert(btau::photonEnergyFraction,0., true);
         vars.insert(btau::electronEnergyFraction,0., true);
         vars.insert(btau::muonEnergyFraction,0., true);
         vars.insert(btau::chargedHadronMultiplicity,0, true);
         vars.insert(btau::neutralHadronMultiplicity,0, true);
         vars.insert(btau::photonMultiplicity,0, true);
         vars.insert(btau::electronMultiplicity,0, true);
         vars.insert(btau::muonMultiplicity,0, true);
         vars.insert(btau::hadronMultiplicity,0, true);
         vars.insert(btau::hadronPhotonMultiplicity,0, true);
         vars.insert(btau::totalMultiplicity,0, true);
     }
 }

CombinedSVComputer::IterationRange CombinedSVComputer::flipIterate	(	int	size,
		bool	vertex
	)		const

inline

Definition at line 37 of file CombinedSVComputer.cc.

References CombinedSVComputer::IterationRange::begin, CombinedSVComputer::IterationRange::end, CombinedSVComputer::IterationRange::increment, findQualityFiles::size, trackFlip, and vertexFlip.

Referenced by fillCommonVariables(), and operator()().

 {
     IterationRange range;
     if (vertex ? vertexFlip : trackFlip) {
         range.begin = size - 1;
         range.end = -1;
         range.increment = -1;
     } else {
         range.begin = 0;
         range.end = size;
         range.increment = +1;
     }
 
     return range;
 }

double CombinedSVComputer::flipValue	(	double	value,
		bool	vertex
	)		const

inline

Definition at line 32 of file CombinedSVComputer.cc.

References trackFlip, relativeConstraints::value, and vertexFlip.

Referenced by fillCommonVariables().

 {
     return (vertex ? vertexFlip : trackFlip) ? -value : value;
 }

TaggingVariableList CombinedSVComputer::operator()	(	const reco::TrackIPTagInfo &	ipInfo,
		const reco::SecondaryVertexTagInfo &	svInfo
	)		const

virtual

Definition at line 134 of file CombinedSVComputer.cc.

References reco::btau::etaRel(), fillCommonVariables(), flipIterate(), reco::Vertex::hasRefittedTracks(), i, minTrackWeight, reco::LeafCandidate::momentum(), reco::TrackBase::momentum(), reco::TemplatedSecondaryVertexTagInfo< IPTI, VTX >::nVertices(), reco::ParticleMasses::piPlus, range_for, reco::Vertex::refittedTrack(), reco::TemplatedSecondaryVertexTagInfo< IPTI, VTX >::secondaryVertex(), mathSSE::sqrt(), reco::btau::trackEtaRel, reco::Vertex::tracks_begin(), reco::Vertex::tracks_end(), reco::Vertex::trackWeight(), reco::btau::vertexFitProb, reco::btau::vertexNTracks, and w.

Referenced by CombinedSVSoftLeptonComputer::operator()().

 {
     using namespace ROOT::Math;
 
     edm::RefToBase<Jet> jet = ipInfo.jet();
     math::XYZVector jetDir = jet->momentum().Unit();
     TaggingVariableList vars;
 
         TrackKinematics vertexKinematics;
     
     double vtx_track_ptSum = 0.;
     double vtx_track_ESum  = 0.;
     
     // the following is specific depending on the type of vertex
         int vtx = -1;
         unsigned int numberofvertextracks = 0;
 
     IterationRange range = flipIterate(svInfo.nVertices(), true);
     range_for(i, range) {
 
         numberofvertextracks = numberofvertextracks + (svInfo.secondaryVertex(i)).nTracks();
 
         const Vertex &vertex = svInfo.secondaryVertex(i);
         bool hasRefittedTracks = vertex.hasRefittedTracks();
         for(reco::Vertex::trackRef_iterator track = vertex.tracks_begin(); track != vertex.tracks_end(); track++) {
             double w = vertex.trackWeight(*track);
             if (w < minTrackWeight)
                 continue;
             if (hasRefittedTracks) {
                 const Track actualTrack = vertex.refittedTrack(*track);
                 vertexKinematics.add(actualTrack, w);
                 vars.insert(btau::trackEtaRel, reco::btau::etaRel(jetDir,actualTrack.momentum()), true);
                 if(vtx < 0) // calculate this only for the first vertex
                 {
                     vtx_track_ptSum += std::sqrt(actualTrack.momentum().Perp2());
                     vtx_track_ESum  += std::sqrt(actualTrack.momentum().Mag2() + ROOT::Math::Square(ParticleMasses::piPlus));
                 }
             } else {
                 vertexKinematics.add(**track, w);
                 vars.insert(btau::trackEtaRel, reco::btau::etaRel(jetDir,(*track)->momentum()), true);
                 if(vtx < 0) // calculate this only for the first vertex
                 {
                     vtx_track_ptSum += std::sqrt((*track)->momentum().Perp2());
                     vtx_track_ESum  += std::sqrt((*track)->momentum().Mag2() + ROOT::Math::Square(ParticleMasses::piPlus));
                 }
             }
         }
         
         if (vtx < 0) vtx = i;
         }
     if(vtx>=0){
         vars.insert(btau::vertexNTracks, numberofvertextracks, true);
         vars.insert(btau::vertexFitProb,(svInfo.secondaryVertex(vtx)).normalizedChi2(), true);
     }
 
     // after we collected vertex information we let the common code complete the job
     fillCommonVariables(vars,vertexKinematics,ipInfo,svInfo,vtx_track_ptSum,vtx_track_ESum);
 
     vars.finalize();
     return vars;
 }

TaggingVariableList CombinedSVComputer::operator()	(	const reco::CandIPTagInfo &	ipInfo,
		const reco::CandSecondaryVertexTagInfo &	svInfo
	)		const

virtual

Definition at line 198 of file CombinedSVComputer.cc.

References reco::CompositePtrCandidate::daughterPtrVector(), reco::btau::etaRel(), fillCommonVariables(), flipIterate(), i, reco::LeafCandidate::momentum(), reco::TemplatedSecondaryVertexTagInfo< IPTI, VTX >::nVertices(), reco::ParticleMasses::piPlus, range_for, reco::TemplatedSecondaryVertexTagInfo< IPTI, VTX >::secondaryVertex(), mathSSE::sqrt(), reco::btau::trackEtaRel, reco::btau::vertexFitProb, and reco::btau::vertexNTracks.

 {
         using namespace ROOT::Math;
 
         edm::RefToBase<Jet> jet = ipInfo.jet();
         math::XYZVector jetDir = jet->momentum().Unit();
         TaggingVariableList vars;
 
         TrackKinematics vertexKinematics;
     
     double vtx_track_ptSum = 0.;
     double vtx_track_ESum  = 0.;
     
     // the following is specific depending on the type of vertex
         int vtx = -1;
         unsigned int numberofvertextracks = 0;
 
     IterationRange range = flipIterate(svInfo.nVertices(), true);
     range_for(i, range) {
 
         numberofvertextracks = numberofvertextracks + (svInfo.secondaryVertex(i)).numberOfSourceCandidatePtrs();
 
         const reco::VertexCompositePtrCandidate &vertex = svInfo.secondaryVertex(i);
         const std::vector<CandidatePtr> & tracks = vertex.daughterPtrVector();
         for(std::vector<CandidatePtr>::const_iterator track = tracks.begin(); track != tracks.end(); ++track) {
             vertexKinematics.add(*(*track)->bestTrack(), 1.0);
             vars.insert(btau::trackEtaRel, reco::btau::etaRel(jetDir,(*track)->momentum()), true);
             if(vtx < 0) // calculate this only for the first vertex
             {
                 vtx_track_ptSum += std::sqrt((*track)->momentum().Perp2());
                 vtx_track_ESum  += std::sqrt((*track)->momentum().Mag2() + ROOT::Math::Square(ParticleMasses::piPlus));
             }
         }
         
         if (vtx < 0) vtx = i;
     }
     if(vtx>=0){
         vars.insert(btau::vertexNTracks, numberofvertextracks, true);
         vars.insert(btau::vertexFitProb,(svInfo.secondaryVertex(vtx)).vertexNormalizedChi2(), true);
     }
     
     // after we collected vertex information we let the common code complete the job
     fillCommonVariables(vars,vertexKinematics,ipInfo,svInfo,vtx_track_ptSum,vtx_track_ESum);
     
     vars.finalize();
     return vars;
 }

const reco::btag::TrackIPData& CombinedSVComputer::threshTrack	(	const reco::CandIPTagInfo &	trackIPTagInfo,
		const reco::btag::SortCriteria	sort,
		const reco::Jet &	jet,
		const GlobalPoint &	pv
	)		const

Referenced by fillCommonVariables().

const reco::btag::TrackIPData& CombinedSVComputer::threshTrack	(	const reco::TrackIPTagInfo &	trackIPTagInfo,
		const reco::btag::SortCriteria	sort,
		const reco::Jet &	jet,
		const GlobalPoint &	pv
	)		const