Reference Manual

reco::Vertex::covariance_

float chi2_

chi-sqared

Definition: Vertex.h:182

reco::Vertex::position_

Point position_

position

Definition: Vertex.h:186

float covariance_[size4D]

covariance matrix (4x4) as vector

Definition: Vertex.h:188

reco::Vertex::size4D

Definition: Vertex.h:51

reco::Vertex::time_

double time_

Definition: Vertex.h:196

Referenced by reco::PFDisplacedVertex::addElement(), NuclearVertexBuilder::FillVertexWithCrossingPoint(), NuclearVertexBuilder::FillVertexWithLastPrimHit(), isFake(), TransientVertex::operator reco::Vertex(), VZeroProducer::produce(), pat::PATTrackAndVertexUnpacker::produce(), PixelVertexProducer::produce(), counter.Counter::register(), SequenceTypes.Task::remove(), SequenceTypes.Task::replace(), and tracks_end().

float ndof_

number of degrees of freedom

Definition: Vertex.h:184

reco::Vertex::validity_

bool validity_

tells wether the vertex is really valid.

Definition: Vertex.h:195

Vertex::Vertex	(	const Point &	p,
		const Error &	err
	)

Constructor for a fake vertex.

Definition at line 34 of file Vertex.cc.

References covariance_, dimension, dimension4D, mps_fire::i, idx(), and validity_.

                                                    :
   chi2_( 0.0 ), ndof_( 0 ), position_( p ), time_(0.) {
   index idx = 0;
   for( index i = 0; i < dimension4D; ++ i ) {
     for( index j = 0; j <= i; ++ j ) {
       if( i == dimension || j == dimension ) {
         covariance_[ idx ++ ] = 0.0;
       } else {
         covariance_[ idx ++ ] = err( i, j );
       }
     }
   }
   validity_ = true;
 }

Vertex::Vertex	(	const Point &	p,
		const Error4D &	err,
		double	time
	)

Constructor for a fake vertex. 4D.

Definition at line 49 of file Vertex.cc.

References covariance_, dimension, mps_fire::i, idx(), and validity_.

                                                                   :
   chi2_( 0.0 ), ndof_( 0 ), position_( p ), time_(time) {
   index idx = 0;
   for( index i = 0; i < dimension + 1; ++ i ) 
     for( index j = 0; j <= i; ++ j )
       covariance_[ idx ++ ] = err( i, j );
   validity_ = true;
 }

Vertex::Vertex	(	const Point &	p,
		const Error &	err,
		double	chi2,
		double	ndof,
		size_t	size
	)

constructor for a valid vertex, with all data

Definition at line 8 of file Vertex.cc.

References covariance_, dimension, dimension4D, mps_fire::i, idx(), tracks_, and validity_.

                                                                                            :
   chi2_( chi2 ), ndof_( ndof ), position_( p ), time_(0.) {
   tracks_.reserve( size );
   index idx = 0;
   for( index i = 0; i < dimension4D; ++ i ) {
     for( index j = 0; j <= i; ++ j ) {
       if( i == dimension || j == dimension ) {
         covariance_[ idx ++ ] = 0.0;
       } else {
         covariance_[ idx ++ ] = err( i, j );
       }
     }
   }
   validity_ = true;
 }

Vertex::Vertex	(	const Point &	p,
		const Error4D &	err,
		double	time,
		double	chi2,
		double	ndof,
		size_t	size
	)

constructor for a valid vertex, with all data 4D

Definition at line 24 of file Vertex.cc.

References covariance_, dimension4D, mps_fire::i, idx(), size4D, tracks_, and validity_.

                                                                                                           :
   chi2_( chi2 ), ndof_( ndof ), position_( p ), time_(time) {
   tracks_.reserve( size4D );
   index idx = 0;
   for( index i = 0; i < dimension4D; ++ i ) 
     for( index j = 0; j <= i; ++ j )
       covariance_[ idx ++ ] = err( i, j );
   validity_ = true;
 }

Member Function Documentation

void reco::Vertex::add	(	const TrackBaseRef &	r,
		float	w = `1.0`
	)

add a reference to a Track

void reco::Vertex::add	(	const TrackBaseRef &	r,
		const Track &	refTrack,
		float	w = `1.0`
	)

add the original a Track(reference) and the smoothed Track

Referenced by counter.Counter::register(), SequenceTypes.Task::remove(), and SequenceTypes.Task::replace().

double reco::Vertex::chi2 ( void ) const

inline

chi-squares

Definition at line 98 of file Vertex.h.

References chi2_.

Referenced by BPHCompositeVertexSelect::accept(), BPHFittedVertexSelect::accept(), PatBJetVertexAnalyzer::analyze(), VertexMonitor::analyze(), TkConvValidator::analyze(), PrimaryVertexValidation::analyze(), ConversionProducer::buildCollection(), ConversionLessByChi2(), reco::PFDisplacedVertex::Dump(), GsfVertexTrackCompatibilityEstimator::estimate(), KalmanVertexTrackCompatibilityEstimator< N >::estimate(), ElectronMVAEstimatorRun2Spring15Trig::fillMVAVariables(), ElectronMVAEstimatorRun2Spring15NonTrig::fillMVAVariables(), ElectronMVAEstimatorRun2Spring16GeneralPurpose::fillMVAVariables(), ElectronMVAEstimatorRun2Spring16HZZ::fillMVAVariables(), SVTagInfoValidationAnalyzer::fillRecoToSim(), recoBSVTagInfoValidationAnalyzer::fillRecoToSim(), recoBSVTagInfoValidationAnalyzer::fillSimToReco(), SVTagInfoValidationAnalyzer::fillSimToReco(), TrackingNtuple::fillVertices(), V0Fitter::fitAll(), PFDisplacedVertexFinder::fitVertexFromSeed(), OniaPhotonConversionProducer::HighpuritySubset(), HLTmumutkFilter::hltFilter(), HLTmumutktkFilter::hltFilter(), HLTVertexFilter::hltFilter(), ConversionTools::isGoodConversion(), EventVtxInfoNtupleDumper::produce(), pat::PATVertexSlimmer::produce(), pat::PATSecondaryVertexSlimmer::produce(), ConeIsolation::produce(), pat::PATConversionProducer::produce(), CandCommonVertexFitterBase::set(), PFCandCommonVertexFitterBase::set(), Vertex(), PrimaryVertexMonitor::vertexPlots(), PrimaryVertexValidation::vtxSort(), and BPHChi2Select::~BPHChi2Select().

98 { return chi2_; }

Referenced by SignedImpactParameter3D::apply(), SignedTransverseImpactParameter::apply(), SignedDecayLength3D::apply(), OniaPhotonConversionProducer::checkTkVtxCompatibility(), VertexDistance::compatibility(), reco::TemplatedSecondaryVertex< SV >::computeDist1d(), reco::TemplatedSecondaryVertex< SV >::computeDist2d(), reco::TemplatedSecondaryVertex< SV >::computeDist3d(), GsfConstraintAtVertex::constrainAtVertex(), tauImpactParameter::ParticleBuilder::createLorentzVectorParticle(), VertexDistance::distance(), VertexCompatibleWithBeam::distanceToBeam(), GsfVertexTrackCompatibilityEstimator::estimate(), KalmanVertexTrackCompatibilityEstimator< N >::estimate(), V0Fitter::fitAll(), IPTools::linearizedSignedImpactParameter3D(), ConversionHitChecker::nHitsBeforeVtx(), VertexCompatibleWithBeam::operator()(), reco::print(), pat::PATVertexSlimmer::produce(), TemplatedInclusiveVertexFinder< InputContainer, VTX >::produce(), TemplatedSecondaryVertexProducer< IPTI, VTX >::produce(), PVFitter::pvQuality(), IPTools::signedDecayLength3D(), reco::JetSignalVertexCompatibilityAlgo::trackVertexCompat(), PrimaryVertexMonitor::vertexPlots(), reco::V0Candidate::vtxCovariance(), and SignedTransverseImpactParameter::zImpactParameter().

float chi2_

chi-sqared

Definition: Vertex.h:182

double reco::Vertex::covariance	(	int	i,
		int	j
	)		const

inline

(i, j)-th element of error matrix, i, j = 0, ... 2

Definition at line 130 of file Vertex.h.

References covariance_, and idx().

                                             { 
       return covariance_[ idx( i, j ) ]; 
     }

CovarianceMatrix reco::Vertex::covariance ( void ) const

inline

return SMatrix

Definition at line 134 of file Vertex.h.

References fill(), and funct::m.

Referenced by tError(), xError(), yError(), and zError().

134 { Error m; fill( m ); return m; }

void fill(CovarianceMatrix &v) const

fill SMatrix

reco::Vertex::Error

math::Error< dimension >::type Error

covariance error matrix (3x3)

Definition: Vertex.h:43

m

Definition: Factorize.h:54

CovarianceMatrix4D reco::Vertex::covariance4D ( ) const

inline

return SMatrix 4D

Definition at line 136 of file Vertex.h.

References fill(), and funct::m.

136 { Error4D m; fill( m ); return m; }

void fill(CovarianceMatrix &v) const

fill SMatrix

m

Definition: Factorize.h:54

reco::Vertex::Error4D

math::Error< dimension4D >::type Error4D

covariance error matrix (4x4)

Definition: Vertex.h:47

Error reco::Vertex::error ( ) const

inline

return SMatrix

Definition at line 139 of file Vertex.h.

References fill(), and funct::m.

139 { Error m; fill( m ); return m; }

void fill(CovarianceMatrix &v) const

fill SMatrix

reco::Vertex::Error

math::Error< dimension >::type Error

covariance error matrix (3x3)

Definition: Vertex.h:43

m

Definition: Factorize.h:54

Error4D reco::Vertex::error4D ( ) const

inline

return SMatrix

Definition at line 141 of file Vertex.h.

References fill(), funct::m, and findQualityFiles::v.

141 { Error4D m; fill( m ); return m; }

void fill(CovarianceMatrix &v) const

fill SMatrix

reco::Vertex::refittedTracks_

m

Definition: Factorize.h:54

reco::Vertex::Error4D

math::Error< dimension4D >::type Error4D

covariance error matrix (4x4)

Definition: Vertex.h:47

void reco::Vertex::fill ( CovarianceMatrix & v ) const

fill SMatrix

Referenced by covariance(), covariance4D(), error(), error4D(), fill(), CandCommonVertexFitterBase::set(), and PFCandCommonVertexFitterBase::set().

void Vertex::fill ( CovarianceMatrix4D & v ) const

4D version

Definition at line 58 of file Vertex.cc.

References covariance_, dimension4D, fill(), mps_fire::i, idx(), and groupFilesInBlocks::temp.

                                      {
   Error4D temp;
   fill(temp);
   err = temp.Sub<Error>(0,0);
 }

bool reco::Vertex::hasRefittedTracks ( ) const

inline

Checks whether refitted tracks are stored.

Definition at line 149 of file Vertex.h.

References originalTrack(), refittedTrack(), refittedTracks_, and HiIsolationCommonParameters_cff::track.

Referenced by nTracks(), GhostTrackComputer::operator()(), CombinedSVComputer::operator()(), p4(), Onia2MuMuPAT::produce(), and reco::TrackKinematics::TrackKinematics().

149 {return !refittedTracks_.empty();}

std::vector< Track > refittedTracks_

The vector of refitted tracks.

Definition: Vertex.h:192

index reco::Vertex::idx	(	index	i,
		index	j
	)		const

inlineprivate

position index

Definition at line 199 of file Vertex.h.

References a, and b.

Referenced by covariance(), fill(), trackRefAt(), and Vertex().

                                         {
       int a = ( i <= j ? i : j ), b = ( i <= j ? j : i );
       return b * ( b + 1 ) / 2 + a;
     }

bool reco::Vertex::isFake ( ) const

inline

Tells whether a Vertex is fake, i.e. not a vertex made out of a proper fit with tracks. For a primary vertex, it could simply be the beam line.

Definition at line 72 of file Vertex.h.

References add(), chi2_, ndof_, alignCSCRings::r, removeTracks(), tracks_, and w.

Referenced by TrackingRecoMaterialAnalyser::analyze(), TopDiLeptonDQM::analyze(), V0Monitor::analyze(), TrackingMonitor::analyze(), VertexAssociatorByPositionAndTracks::associateRecoToSim(), VertexAssociatorByPositionAndTracks::associateSimToReco(), MVAJetPuId::computeIdVariables(), PileupJetIdAlgo::computeIdVariables(), TrackingNtuple::fillVertices(), BVertexFilterT< VTX >::filter(), TauTagTools::filteredPFChargedHadrCands(), TauTagTools::filteredTracks(), HLTVertexFilter::hltFilter(), HcalHBHEMuonAnalyzer::isGoodVertex(), PVObjectSelector::operator()(), EventVtxInfoNtupleDumper::produce(), VertexCompositeCandidateCollectionSelector::produce(), PFchsMETcorrInputProducer::produce(), PrimaryVertexMonitor::pvTracksPlots(), PrimaryVertexMonitor::vertexPlots(), and BPHChi2Select::~BPHChi2Select().

72 {return (chi2_==0 && ndof_==0 && tracks_.empty());}

float chi2_

chi-sqared

Definition: Vertex.h:182

reco::Vertex::tracks_

std::vector< TrackBaseRef > tracks_

reference to tracks

Definition: Vertex.h:190

Referenced by ntupleDataFormat._Object::_checkIsValid(), EwkMuDQM::analyze(), EwkElecDQM::analyze(), TkConvValidator::analyze(), PrimaryVertexValidation::analyze(), VertexAssociatorByPositionAndTracks::associateRecoToSim(), VertexAssociatorByPositionAndTracks::associateSimToReco(), ConversionProducer::buildCollection(), ConvertedPhotonProducer::buildCollections(), NuclearLikelihood::calculate(), ConversionProducer::checkPhi(), reco::Conversion::dxy(), reco::Conversion::dz(), ElectronMVAEstimatorRun2Spring15Trig::fillMVAVariables(), ElectronMVAEstimatorRun2Spring15NonTrig::fillMVAVariables(), ElectronMVAEstimatorRun2Spring16GeneralPurpose::fillMVAVariables(), ElectronMVAEstimatorRun2Spring16HZZ::fillMVAVariables(), PrimaryVertexValidation::fillTrackHistos(), NuclearVertexBuilder::FillVertexWithAdaptVtxFitter(), TrackingNtuple::fillVertices(), HLTVertexFilter::hltFilter(), ConversionTools::isGoodConversion(), reco::Conversion::lxy(), reco::Conversion::lz(), PrimaryVertexMonitor::pvTracksPlots(), core.AutoHandle.AutoHandle::ReallyLoad(), BPHDecayVertex::validVertex(), PrimaryVertexMonitor::vertexPlots(), and BPHChi2Select::~BPHChi2Select().

float ndof_

number of degrees of freedom

Definition: Vertex.h:184

bool reco::Vertex::isValid ( void ) const

inline

Tells whether the vertex is valid.

Definition at line 68 of file Vertex.h.

References validity_.

68 {return validity_;}

reco::Vertex::validity_

bool validity_

tells wether the vertex is really valid.

Definition: Vertex.h:195

double reco::Vertex::ndof ( ) const

inline

Number of degrees of freedom Meant to be Double32_t for soft-assignment fitters: tracks may contribute to the vertex with fractional weights. The ndof is then = to the sum of the track weights. see e.g. CMS NOTE-2006/032, CMS NOTE-2004/002

Definition at line 105 of file Vertex.h.

References ndof_.

Referenced by BPHCompositeVertexSelect::accept(), BPHFittedVertexSelect::accept(), CMSDAS11DijetAnalyzer::analyze(), CMSDAS11DijetTestAnalyzer::analyze(), TrackingRecoMaterialAnalyser::analyze(), VertexMonitor::analyze(), V0Monitor::analyze(), SiPixelTrackResidualSource::analyze(), TrackingMonitor::analyze(), TkConvValidator::analyze(), PrimaryVertexValidation::analyze(), VertexAssociatorByPositionAndTracks::associateRecoToSim(), VertexAssociatorByPositionAndTracks::associateSimToReco(), ConversionProducer::buildCollection(), MVAJetPuId::computeIdVariables(), PileupJetIdAlgo::computeIdVariables(), ConversionLessByChi2(), reco::PFDisplacedVertex::Dump(), PrimaryVertexAnalyzer4PUSlimmed::fillGenAssociatedRecoVertexHistograms(), ElectronMVAEstimatorRun2Spring15Trig::fillMVAVariables(), ElectronMVAEstimatorRun2Spring15NonTrig::fillMVAVariables(), ElectronMVAEstimatorRun2Spring16GeneralPurpose::fillMVAVariables(), ElectronMVAEstimatorRun2Spring16HZZ::fillMVAVariables(), SVTagInfoValidationAnalyzer::fillRecoToSim(), recoBSVTagInfoValidationAnalyzer::fillRecoToSim(), recoBSVTagInfoValidationAnalyzer::fillSimToReco(), SVTagInfoValidationAnalyzer::fillSimToReco(), TrackingNtuple::fillVertices(), V0Fitter::fitAll(), PFDisplacedVertexFinder::fitVertexFromSeed(), OniaPhotonConversionProducer::HighpuritySubset(), HLTmumutkFilter::hltFilter(), HLTmumutktkFilter::hltFilter(), HLTVertexFilter::hltFilter(), ConversionTools::isGoodConversion(), HcalHBHEMuonAnalyzer::isGoodVertex(), PVObjectSelector::operator()(), EventVtxInfoNtupleDumper::produce(), pat::PATVertexSlimmer::produce(), pat::PATSecondaryVertexSlimmer::produce(), ConeIsolation::produce(), VertexCompositeCandidateCollectionSelector::produce(), PFchsMETcorrInputProducer::produce(), pat::PATConversionProducer::produce(), CandCommonVertexFitterBase::set(), PFCandCommonVertexFitterBase::set(), Vertex(), PrimaryVertexMonitor::vertexPlots(), and BPHChi2Select::~BPHChi2Select().

105 { return ndof_; }

Referenced by VertexMonitor::analyze(), PrimaryVertexValidation::analyze(), reco::PFDisplacedVertex::Dump(), recoBSVTagInfoValidationAnalyzer::fillRecoToSim(), SVTagInfoValidationAnalyzer::fillRecoToSim(), SVTagInfoValidationAnalyzer::fillSimToReco(), recoBSVTagInfoValidationAnalyzer::fillSimToReco(), V0Fitter::fitAll(), HLTmumutkFilter::hltFilter(), and HLTmumutktkFilter::hltFilter().

float ndof_

number of degrees of freedom

Definition: Vertex.h:184

double reco::Vertex::normalizedChi2 ( ) const

inline

chi-squared divided by n.d.o.f.

Definition at line 107 of file Vertex.h.

References chi2_, and ndof_.

107 { return ndof_ != 0 ? chi2_ / ndof_ : chi2_ * 1e6; }

float chi2_

chi-sqared

Definition: Vertex.h:182