reco::Conversion Class Reference

#include <DataFormats/EgammaCandidates/interface/Conversion.h>

Public Types
enum	ConversionAlgorithm {   undefined =0, ecalSeeded =1, trackerOnly =2, mixed =3,   pflow =4, algoSize =5 }
enum	ConversionQuality {   generalTracksOnly =0, arbitratedEcalSeeded =1, arbitratedMerged =2, arbitratedMergedEcalGeneral =3,   highPurity =8, highEfficiency =9, ecalMatched1Track =10, ecalMatched2Track =11 }

Public Member Functions
ConversionAlgorithm	algo () const
std::string	algoName () const
const std::vector < reco::CaloClusterPtr > &	bcMatchingWithTracks () const
reco::CaloClusterPtrVector	caloCluster () const
	Pointer to CaloCluster (foe Egamma Conversions it points to a SuperCluster) More...
Conversion *	clone () const
	returns a clone of the candidate More...
	Conversion ()
	Conversion (const reco::CaloClusterPtrVector &clu, const std::vector< edm::RefToBase< reco::Track > > &tr, const std::vector< math::XYZPointF > &trackPositionAtEcal, const reco::Vertex &convVtx, const std::vector< reco::CaloClusterPtr > &matchingBC, const float DCA, const std::vector< math::XYZPointF > &innPoint, const std::vector< math::XYZVectorF > &trackPin, const std::vector< math::XYZVectorF > &trackPout, const std::vector< uint8_t > &nHitsBeforeVtx, const std::vector< Measurement1DFloat > &dlClosestHitToVtx, uint8_t nSharedHits, const float mva, ConversionAlgorithm=undefined)
	Conversion (const reco::CaloClusterPtrVector &clu, const std::vector< reco::TrackRef > &tr, const std::vector< math::XYZPointF > &trackPositionAtEcal, const reco::Vertex &convVtx, const std::vector< reco::CaloClusterPtr > &matchingBC, const float DCA, const std::vector< math::XYZPointF > &innPoint, const std::vector< math::XYZVectorF > &trackPin, const std::vector< math::XYZVectorF > &trackPout, const float mva, ConversionAlgorithm=undefined)
	Conversion (const reco::CaloClusterPtrVector &clu, const std::vector< reco::TrackRef > &tr, const reco::Vertex &convVtx, ConversionAlgorithm=undefined)
	Conversion (const reco::CaloClusterPtrVector &clu, const std::vector< edm::RefToBase< reco::Track > > &tr, const reco::Vertex &convVtx, ConversionAlgorithm=undefined)
const reco::Vertex &	conversionVertex () const
	returns the reco conversion vertex More...
double	dEtaTracksAtEcal () const
double	distOfMinimumApproach () const
const std::vector < Measurement1DFloat > &	dlClosestHitToVtx () const
	Vector of signed decay length with uncertainty from nearest hit on track to the conversion vtx positions. More...
double	dPhiTracksAtEcal () const
double	dPhiTracksAtVtx () const
double	dxy (const math::XYZPoint &myBeamSpot=math::XYZPoint()) const
double	dz (const math::XYZPoint &myBeamSpot=math::XYZPoint()) const
const std::vector < math::XYZPointF > &	ecalImpactPosition () const
double	EoverP () const
double	EoverPrefittedTracks () const
bool	isConverted () const
	Bool flagging objects having track size >0. More...
double	lxy (const math::XYZPoint &myBeamSpot=math::XYZPoint()) const
double	lz (const math::XYZPoint &myBeamSpot=math::XYZPoint()) const
double	MVAout () const
	get the value of the TMVA output More...
const std::vector< uint8_t > &	nHitsBeforeVtx () const
	Vector of the number of hits before the vertex along each track trajector. More...
uint8_t	nSharedHits () const
	number of shared hits btw the two track More...
unsigned int	nTracks () const
	Number of tracks= 0,1,2. More...
std::vector< float > const	oneLegMVA ()
	get the MVS output from PF for one leg conversions More...
double	pairCotThetaSeparation () const
	Delta cot(Theta) where Theta is the angle in the (y,z) plane between the two tracks. Original tracks are used. More...
double	pairInvariantMass () const
	if nTracks=2 returns the pair invariant mass. Original tracks are used here More...
math::XYZVectorF	pairMomentum () const
	Conversion tracks momentum from the tracks inner momentum. More...
bool	quality (ConversionQuality q) const
math::XYZTLorentzVectorF	refittedPair4Momentum () const
	Conversion track pair 4-momentum from the tracks refitted with vertex constraint. More...
math::XYZVectorF	refittedPairMomentum () const
	Conversion tracks momentum from the tracks refitted with vertex constraint. More...
void	setConversionAlgorithm (const ConversionAlgorithm a, bool set=true)
	Conversion Track algorithm/provenance. More...
void	setMatchingSuperCluster (const reco::CaloClusterPtrVector &sc)
void	setMVAout (const float &mva)
	set the value of the TMVA output More...
void	setOneLegMVA (const std::vector< float > &mva)
	set the MVS output from PF for one leg conversions More...
void	setQuality (ConversionQuality q, bool b)
std::vector< edm::RefToBase < reco::Track > > const &	tracks () const
	vector of track to base references More...
const std::vector < math::XYZPointF > &	tracksInnerPosition () const
	Vector containing the position of the innermost hit of each track. More...
const std::vector < math::XYZVectorF > &	tracksPin () const
	Vector of track momentum measured at the innermost hit. More...
const std::vector < math::XYZVectorF > &	tracksPout () const
	Vector of track momentum measured at the outermost hit. More...
std::vector< double >	tracksSigned_d0 () const
	signed transverse impact parameter for each track More...
double	zOfPrimaryVertexFromTracks (const math::XYZPoint &myBeamSpot=math::XYZPoint()) const

Static Public Member Functions
static ConversionAlgorithm	algoByName (const std::string &name)
static std::string	algoName (ConversionAlgorithm)

Static Public Attributes
static const std::string	algoNames [] = { "undefined","ecalSeeded","trackerOnly","mixed","pflow"}

Private Attributes
uint8_t	algorithm_
	conversion algorithm/provenance More...
reco::CaloClusterPtrVector	caloCluster_
	vector pointer to a/multiple seed CaloCluster(s) More...
std::vector< Measurement1DFloat >	dlClosestHitToVtx_
	signed decay length and uncertainty from nearest hit on track to conversion vertex More...
std::vector< uint8_t >	nHitsBeforeVtx_
	number of hits before the vertex on each trackerOnly More...
uint8_t	nSharedHits_
	number of shared hits between tracks More...
uint16_t	qualityMask_
reco::Vertex	theConversionVertex_
	Fitted Kalman conversion vertex. More...
std::vector< reco::CaloClusterPtr >	theMatchingBCs_
	Clusters mathing the tracks (these are not the seeds) More...
float	theMinDistOfApproach_
	Distance of min approach of the two tracks. More...
float	theMVAout_
	TMVA output. More...
std::vector< float >	theOneLegMVA_
	vectors of TMVA outputs from pflow for one leg conversions More...
std::vector< math::XYZPointF >	thePositionAtEcal_
	position at the ECAl surface of the track extrapolation More...
std::vector< math::XYZPointF >	theTrackInnerPosition_
	P_in of tracks. More...
std::vector< math::XYZVectorF >	theTrackPin_
	P_in of tracks. More...
std::vector< math::XYZVectorF >	theTrackPout_
	P_out of tracks. More...
std::vector< edm::RefToBase < reco::Track > >	trackToBaseRefs_
	vector Track RefToBase More...

Detailed Description

Author

N.Marinelli University of Notre Dame, US

Definition at line 24 of file Conversion.h.

Member Enumeration Documentation

enum reco::Conversion::ConversionAlgorithm

Enumerator
undefined
ecalSeeded
trackerOnly
mixed
pflow
algoSize

Definition at line 27 of file Conversion.h.

                               {undefined=0, 
                ecalSeeded=1, 
                trackerOnly=2, 
                mixed=3, 
                                pflow=4,
                algoSize=5}; 

enum reco::Conversion::ConversionQuality

Enumerator
generalTracksOnly
arbitratedEcalSeeded
arbitratedMerged
arbitratedMergedEcalGeneral
highPurity
highEfficiency
ecalMatched1Track
ecalMatched2Track

Definition at line 34 of file Conversion.h.

                             {generalTracksOnly=0, 
                  arbitratedEcalSeeded=1, 
                  arbitratedMerged=2,
                  arbitratedMergedEcalGeneral=3,
                  highPurity=8, 
                  highEfficiency=9,
                  ecalMatched1Track=10,
                  ecalMatched2Track=11};

Constructor & Destructor Documentation

Conversion::Conversion

(

)

Definition at line 142 of file Conversion.cc.

References algorithm_, nSharedHits_, qualityMask_, theMinDistOfApproach_, theMVAout_, thePositionAtEcal_, theTrackInnerPosition_, theTrackPin_, and theTrackPout_.

Referenced by clone().

                       { 

  algorithm_=0;
  qualityMask_=0;
  theMinDistOfApproach_ = 9999.;
  nSharedHits_ = 0;
  theMVAout_ = 9999.;
  thePositionAtEcal_.push_back(math::XYZPointF(0.,0.,0.));
  thePositionAtEcal_.push_back(math::XYZPointF(0.,0.,0.));
  theTrackInnerPosition_.push_back(math::XYZPointF(0.,0.,0.));
  theTrackInnerPosition_.push_back(math::XYZPointF(0.,0.,0.));
  theTrackPin_.push_back(math::XYZVectorF(0.,0.,0.));
  theTrackPin_.push_back(math::XYZVectorF(0.,0.,0.));
  theTrackPout_.push_back(math::XYZVectorF(0.,0.,0.));
  theTrackPout_.push_back(math::XYZVectorF(0.,0.,0.));
    
}

Conversion::Conversion	(	const reco::CaloClusterPtrVector &	clu,
		const std::vector< edm::RefToBase< reco::Track > > &	tr,
		const std::vector< math::XYZPointF > &	trackPositionAtEcal,
		const reco::Vertex &	convVtx,
		const std::vector< reco::CaloClusterPtr > &	matchingBC,
		const float	DCA,
		const std::vector< math::XYZPointF > &	innPoint,
		const std::vector< math::XYZVectorF > &	trackPin,
		const std::vector< math::XYZVectorF > &	trackPout,
		const std::vector< uint8_t > &	nHitsBeforeVtx,
		const std::vector< Measurement1DFloat > &	dlClosestHitToVtx,
		uint8_t	nSharedHits,
		const float	mva,
		ConversionAlgorithm	algo = undefined
	)

Definition at line 45 of file Conversion.cc.

                                      :  
             

  caloCluster_(sc), trackToBaseRefs_(tr), 
  thePositionAtEcal_(trackPositionAtEcal), 
  theConversionVertex_(convVtx), 
  theMatchingBCs_(matchingBC), 
  theTrackInnerPosition_(innPoint),
  theTrackPin_(trackPin),
  theTrackPout_(trackPout),
  nHitsBeforeVtx_(nHitsBeforeVtx),
  dlClosestHitToVtx_(dlClosestHitToVtx),
  theMinDistOfApproach_(DCA),
  theMVAout_(mva),
  qualityMask_(0),
  nSharedHits_(nSharedHits),
  algorithm_(algo)
 { 
   
 }

Conversion::Conversion	(	const reco::CaloClusterPtrVector &	clu,
		const std::vector< reco::TrackRef > &	tr,
		const std::vector< math::XYZPointF > &	trackPositionAtEcal,
		const reco::Vertex &	convVtx,
		const std::vector< reco::CaloClusterPtr > &	matchingBC,
		const float	DCA,
		const std::vector< math::XYZPointF > &	innPoint,
		const std::vector< math::XYZVectorF > &	trackPin,
		const std::vector< math::XYZVectorF > &	trackPout,
		const float	mva,
		ConversionAlgorithm	algo = undefined
	)

Definition at line 9 of file Conversion.cc.

References trackToBaseRefs_.

                                      :  
             

  caloCluster_(sc),
  trackToBaseRefs_(),
  thePositionAtEcal_(trackPositionAtEcal), 
  theConversionVertex_(convVtx), 
  theMatchingBCs_(matchingBC), 
  theTrackInnerPosition_(innPoint),
  theTrackPin_(trackPin),
  theTrackPout_(trackPout),
  theMinDistOfApproach_(DCA),
  theMVAout_(mva),
  qualityMask_(0),
  nSharedHits_(0),  
  algorithm_(algo)
 { 
   trackToBaseRefs_.reserve(tr.size());
   for( auto const& track: tr) {
     trackToBaseRefs_.emplace_back(track);
   }
 }

Conversion::Conversion	(	const reco::CaloClusterPtrVector &	clu,
		const std::vector< reco::TrackRef > &	tr,
		const reco::Vertex &	convVtx,
		ConversionAlgorithm	algo = undefined
	)

Definition at line 82 of file Conversion.cc.

References theMinDistOfApproach_, theMVAout_, thePositionAtEcal_, theTrackInnerPosition_, theTrackPin_, theTrackPout_, and trackToBaseRefs_.

                                      :  
  caloCluster_(sc),
  trackToBaseRefs_(),
  theConversionVertex_(convVtx),
  qualityMask_(0),
  nSharedHits_(0),
  algorithm_(algo)
 { 
   trackToBaseRefs_.reserve(tr.size());
   for( auto const& track: tr) {
     trackToBaseRefs_.emplace_back(track);
   }


  theMinDistOfApproach_ = 9999.;
  theMVAout_ = 9999.;
  thePositionAtEcal_.push_back(math::XYZPointF(0.,0.,0.));
  thePositionAtEcal_.push_back(math::XYZPointF(0.,0.,0.));
  theTrackInnerPosition_.push_back(math::XYZPointF(0.,0.,0.));
  theTrackInnerPosition_.push_back(math::XYZPointF(0.,0.,0.));
  theTrackPin_.push_back(math::XYZVectorF(0.,0.,0.));
  theTrackPin_.push_back(math::XYZVectorF(0.,0.,0.));
  theTrackPout_.push_back(math::XYZVectorF(0.,0.,0.));
  theTrackPout_.push_back(math::XYZVectorF(0.,0.,0.));

   
 }

Conversion::Conversion	(	const reco::CaloClusterPtrVector &	clu,
		const std::vector< edm::RefToBase< reco::Track > > &	tr,
		const reco::Vertex &	convVtx,
		ConversionAlgorithm	algo = undefined
	)

Definition at line 114 of file Conversion.cc.

References theMinDistOfApproach_, theMVAout_, thePositionAtEcal_, theTrackInnerPosition_, theTrackPin_, and theTrackPout_.

                                      :  
  caloCluster_(sc), trackToBaseRefs_(tr), 
  theConversionVertex_(convVtx), 
  qualityMask_(0),
  nSharedHits_(0),
  algorithm_(algo)
 { 


  theMinDistOfApproach_ = 9999.;
  theMVAout_ = 9999.;
  thePositionAtEcal_.push_back(math::XYZPointF(0.,0.,0.));
  thePositionAtEcal_.push_back(math::XYZPointF(0.,0.,0.));
  theTrackInnerPosition_.push_back(math::XYZPointF(0.,0.,0.));
  theTrackInnerPosition_.push_back(math::XYZPointF(0.,0.,0.));
  theTrackPin_.push_back(math::XYZVectorF(0.,0.,0.));
  theTrackPin_.push_back(math::XYZVectorF(0.,0.,0.));
  theTrackPout_.push_back(math::XYZVectorF(0.,0.,0.));
  theTrackPout_.push_back(math::XYZVectorF(0.,0.,0.));

   
 }

Member Function Documentation

Conversion::ConversionAlgorithm reco::Conversion::algo ( ) const

inline

Definition at line 223 of file Conversion.h.

References algorithm_.

Referenced by OniaPhotonConversionProducer::PackFlags().

                                                                {
      return (ConversionAlgorithm) algorithm_;
    }

Conversion::ConversionAlgorithm Conversion::algoByName ( const std::string &  name )

static

Definition at line 163 of file Conversion.cc.

References algoNames, algoSize, spr::find(), cmsHarvester::index, findQualityFiles::size, and undefined.

Referenced by ConversionProducer::buildCollection(), and ConvertedPhotonProducer::buildCollections().

                                                                         {
  ConversionAlgorithm size = algoSize;
  int index = std::find(algoNames, algoNames+size, name)-algoNames;
  if(index == size) return undefined;

  return ConversionAlgorithm(index);
}

std::string reco::Conversion::algoName ( ) const

inline

Definition at line 228 of file Conversion.h.

References algorithm_, ecalSeeded, mixed, pflow, trackerOnly, and undefined.

                                               {
            
      switch(algorithm_)
    {
    case undefined: return "undefined";
    case ecalSeeded: return "ecalSeeded";
    case trackerOnly: return "trackerOnly";
    case mixed: return "mixed";
    case pflow: return "pflow";

    }
      return "undefined";
    }

std::string reco::Conversion::algoName ( ConversionAlgorithm  a )

inlinestatic

Definition at line 242 of file Conversion.h.

References algoNames, and algoSize.

                                                              {
      if(int(a) < int(algoSize) && int(a)>0) return algoNames[int(a)];
      return "undefined";
    }

const std::vector<reco::CaloClusterPtr>& reco::Conversion::bcMatchingWithTracks ( ) const

inline

Definition at line 151 of file Conversion.h.

References theMatchingBCs_.

Referenced by dEtaTracksAtEcal(), and dPhiTracksAtEcal().

{ return theMatchingBCs_;}

reco::CaloClusterPtrVector reco::Conversion::caloCluster ( ) const

inline

Pointer to CaloCluster (foe Egamma Conversions it points to a SuperCluster)

Definition at line 93 of file Conversion.h.

References caloCluster_.

Referenced by EoverP(), and EoverPrefittedTracks().

{return caloCluster_ ;}

Conversion * Conversion::clone

(

void

)

const

returns a clone of the candidate

Definition at line 171 of file Conversion.cc.

References Conversion().

Referenced by ConvertedPhotonProducer::cleanCollections().

                                     { 
  return new Conversion( * this ); 
}

const reco::Vertex& reco::Conversion::conversionVertex ( ) const

inline

returns the reco conversion vertex

Definition at line 97 of file Conversion.h.

References theConversionVertex_.

Referenced by TkConvValidator::analyze(), ConversionLessByChi2(), dxy(), dz(), PF_PU_AssoMapAlgos::FindConversionVertex(), OniaPhotonConversionProducer::HighpuritySubset(), ConversionTools::isGoodConversion(), lxy(), lz(), OniaPhotonConversionProducer::makePhotonCandidate(), ConversionTools::matchesConversion(), refittedPair4Momentum(), refittedPairMomentum(), and FWConvTrackHitsDetailView::setTextInfo().

{ return theConversionVertex_ ; }

double Conversion::dEtaTracksAtEcal

(

)

const

Definition at line 351 of file Conversion.cc.

References bcMatchingWithTracks(), ecalImpactPosition(), nTracks(), and mps_fire::result.

                                            {
  double result=-99.;


  if ( nTracks()==2 && bcMatchingWithTracks()[0].isNonnull() && bcMatchingWithTracks()[1].isNonnull() ) {

    result =ecalImpactPosition()[0].eta() - ecalImpactPosition()[1].eta();

  }



  return result;


}

double reco::Conversion::distOfMinimumApproach ( ) const

inline

Definition at line 125 of file Conversion.h.

References theMinDistOfApproach_.

Referenced by TkConvValidator::analyze(), OniaPhotonConversionProducer::HighpuritySubset(), and FWConvTrackHitsDetailView::setTextInfo().

{return  theMinDistOfApproach_;}

const std::vector<Measurement1DFloat>& reco::Conversion::dlClosestHitToVtx ( ) const

inline

Vector of signed decay length with uncertainty from nearest hit on track to the conversion vtx positions.

Definition at line 163 of file Conversion.h.

References dlClosestHitToVtx_.

Referenced by TkConvValidator::analyze().

{ return dlClosestHitToVtx_; }

double Conversion::dPhiTracksAtEcal

(

)

const

Definition at line 326 of file Conversion.cc.

References bcMatchingWithTracks(), ecalImpactPosition(), nTracks(), pi, and mps_fire::result.

                                            {
  double result =-99.;
  
  if (  nTracks()==2  && bcMatchingWithTracks()[0].isNonnull() && bcMatchingWithTracks()[1].isNonnull() ) {
    
    float recoPhi1 = ecalImpactPosition()[0].phi();
    if( recoPhi1   > pi)  { recoPhi1 = recoPhi1 - twopi;}
    if( recoPhi1  < -pi)  { recoPhi1 = recoPhi1 + twopi;}

    float recoPhi2 = ecalImpactPosition()[1].phi();
    if( recoPhi2   > pi)  { recoPhi2 = recoPhi2 - twopi;}
    if( recoPhi2  < -pi)  { recoPhi2 = recoPhi2 + twopi;}

    result = recoPhi1 -recoPhi2;

    if( result   > pi)  { result = result - twopi;}
    if( result  < -pi)  { result = result + twopi;}

  }

  return result;


}

double Conversion::dPhiTracksAtVtx

(

)

const

Definition at line 313 of file Conversion.cc.

References nTracks(), pi, mps_fire::result, and tracksPin().

Referenced by TkConvValidator::analyze(), and FWConvTrackHitsDetailView::setTextInfo().

                                           {
  double result=-99;
  if  ( nTracks()==2 ) {
    result = tracksPin()[0].phi() - tracksPin()[1].phi();
    if( result   > pi)  { result = result - twopi;}
    if( result  < -pi)  { result = result + twopi;}
  }

  return result;


}

double Conversion::dxy

(

const math::XYZPoint &

myBeamSpot = math::XYZPoint()

)

const

Definition at line 368 of file Conversion.cc.

References conversionVertex(), reco::Vertex::isValid(), refittedPairMomentum(), reco::Vertex::x(), and reco::Vertex::y().

Referenced by Electron.Electron::cutBasedId().

                                                           {

  const reco::Vertex &vtx = conversionVertex();
  if (!vtx.isValid()) return -9999.;

  math::XYZVectorF mom = refittedPairMomentum();
  
  double dxy = (-(vtx.x() - myBeamSpot.x())*mom.y() + (vtx.y() - myBeamSpot.y())*mom.x())/mom.rho();
  return dxy;  
  
}

double Conversion::dz

(

const math::XYZPoint &

myBeamSpot = math::XYZPoint()

)

const

Definition at line 380 of file Conversion.cc.

References conversionVertex(), reco::Vertex::isValid(), refittedPairMomentum(), reco::Vertex::x(), reco::Vertex::y(), and reco::Vertex::z().

Referenced by Electron.Electron::cutBasedId(), and zOfPrimaryVertexFromTracks().

                                                          {

  const reco::Vertex &vtx = conversionVertex();
  if (!vtx.isValid()) return -9999.;

  math::XYZVectorF mom = refittedPairMomentum();
  
  double dz = (vtx.z()-myBeamSpot.z()) - ((vtx.x()-myBeamSpot.x())*mom.x()+(vtx.y()-myBeamSpot.y())*mom.y())/mom.rho() * mom.z()/mom.rho();
  return dz;  
  
}

const std::vector<math::XYZPointF>& reco::Conversion::ecalImpactPosition ( ) const

inline

The following are variables provided per each track positions of the track extrapolation at the ECAL front face

Definition at line 149 of file Conversion.h.

References thePositionAtEcal_.

Referenced by dEtaTracksAtEcal(), and dPhiTracksAtEcal().

{return thePositionAtEcal_;}

double Conversion::EoverP

(

)

const

Super Cluster energy divided by track pair momentum if Standard seeding method. If a pointer to two (or more clusters) is stored in the conversion, this method returns the energy sum of clusters divided by the track pair momentum Track innermost momentum is used here

Definition at line 259 of file Conversion.cc.

References caloCluster(), i, nTracks(), pairMomentum(), edm::PtrVectorBase::size(), findQualityFiles::size, and mathSSE::sqrt().

Referenced by ConversionLikelihoodCalculator::calculateLikelihood().

                                  {


  double ep=-99.;

  if ( nTracks() > 0  ) {
    unsigned int size= this->caloCluster().size();
    float etot=0.;
    for ( unsigned int i=0; i<size; i++) {
      etot+= caloCluster()[i]->energy();
    }
    if (this->pairMomentum().Mag2() !=0) ep= etot/sqrt(this->pairMomentum().Mag2());
  }



  return ep;  

}

double Conversion::EoverPrefittedTracks

(

)

const

Super Cluster energy divided by track pair momentum if Standard seeing method. If a pointer to two (or more clusters) is stored in the conversion, this method returns the energy sum of clusters divided by the track pair momentum Track momentum refitted with vertex constraint is used

Definition at line 281 of file Conversion.cc.

References caloCluster(), i, nTracks(), refittedPairMomentum(), edm::PtrVectorBase::size(), findQualityFiles::size, and mathSSE::sqrt().

                                                {


  double ep=-99.;
 
  if ( nTracks() > 0  ) {
    unsigned int size= this->caloCluster().size();
    float etot=0.;
    for ( unsigned int i=0; i<size; i++) {
      etot+= caloCluster()[i]->energy();
    }
    if (this->refittedPairMomentum().Mag2() !=0) ep= etot/sqrt(this->refittedPairMomentum().Mag2());
  }



  return ep;  

}

bool Conversion::isConverted

(

)

const

Bool flagging objects having track size >0.

Definition at line 182 of file Conversion.cc.

References nTracks().

                                   {
  
  if ( this->nTracks() == 2 ) 
    return true;
  else
    return false;
}

double Conversion::lxy

(

const math::XYZPoint &

myBeamSpot = math::XYZPoint()

)

const

Definition at line 392 of file Conversion.cc.

References conversionVertex(), reco::Vertex::isValid(), refittedPairMomentum(), reco::Vertex::x(), and reco::Vertex::y().

                                                           {

  const reco::Vertex &vtx = conversionVertex();
  if (!vtx.isValid()) return -9999.;

  math::XYZVectorF mom = refittedPairMomentum();
  
  double dbsx = vtx.x() - myBeamSpot.x();
  double dbsy = vtx.y() - myBeamSpot.y();
  double lxy = (mom.x()*dbsx + mom.y()*dbsy)/mom.rho();
  return lxy;  
  
}

double Conversion::lz

(

const math::XYZPoint &

myBeamSpot = math::XYZPoint()

)

const

Definition at line 406 of file Conversion.cc.

References funct::abs(), conversionVertex(), reco::Vertex::isValid(), refittedPairMomentum(), and reco::Vertex::z().

                                                          {

  const reco::Vertex &vtx = conversionVertex();
  if (!vtx.isValid()) return -9999.;

  math::XYZVectorF mom = refittedPairMomentum();
  
  double lz = (vtx.z() - myBeamSpot.z())*mom.z()/std::abs(mom.z());
  return lz;  
  
}

double reco::Conversion::MVAout ( ) const

inline

get the value of the TMVA output

Definition at line 103 of file Conversion.h.

References theMVAout_.

{ return theMVAout_;}

const std::vector<uint8_t>& reco::Conversion::nHitsBeforeVtx ( ) const

inline

Vector of the number of hits before the vertex along each track trajector.

Definition at line 161 of file Conversion.h.

References nHitsBeforeVtx_.

Referenced by TkConvValidator::analyze(), and ConversionTools::isGoodConversion().

{ return nHitsBeforeVtx_; }

uint8_t reco::Conversion::nSharedHits ( ) const

inline

number of shared hits btw the two track

Definition at line 165 of file Conversion.h.

References nSharedHits_.

Referenced by TkConvValidator::analyze().

{ return nSharedHits_; }

unsigned int reco::Conversion::nTracks ( ) const

inline

Number of tracks= 0,1,2.

Definition at line 101 of file Conversion.h.

References tracks().

Referenced by FWConvTrackHitsDetailView::build(), ConversionLikelihoodCalculator::calculateLikelihood(), dEtaTracksAtEcal(), dPhiTracksAtEcal(), dPhiTracksAtVtx(), EoverP(), EoverPrefittedTracks(), isConverted(), pairCotThetaSeparation(), pairInvariantMass(), pairMomentum(), and FWConversionProxyBuilder::requestCommon().

{return  tracks().size(); }

std::vector<float> const reco::Conversion::oneLegMVA ( )

inline

get the MVS output from PF for one leg conversions

Definition at line 105 of file Conversion.h.

References theOneLegMVA_.

{return theOneLegMVA_;}

double Conversion::pairCotThetaSeparation

(

)

const

Delta cot(Theta) where Theta is the angle in the (y,z) plane between the two tracks. Original tracks are used.

Definition at line 209 of file Conversion.cc.

References nTracks(), funct::tan(), and tracksPin().

Referenced by TkConvValidator::analyze(), ConversionLikelihoodCalculator::calculateLikelihood(), and FWConvTrackHitsDetailView::setTextInfo().

                                                  {
  double dCotTheta=-99.;
  
  if ( nTracks()==2 ) {
    double theta1=this->tracksPin()[0].Theta();
    double theta2=this->tracksPin()[1].Theta();
    dCotTheta =  1./tan(theta1) - 1./tan(theta2) ;
  }

  return dCotTheta;

}

double Conversion::pairInvariantMass

(

)

const

if nTracks=2 returns the pair invariant mass. Original tracks are used here

Definition at line 190 of file Conversion.cc.

References alignCSCRings::e, nTracks(), mathSSE::sqrt(), and tracksPin().

Referenced by TkConvValidator::analyze().

                                          {
  double invMass=-99.;
  const float mElec= 0.000511;
  if ( nTracks()==2 ) {
    double px= tracksPin()[0].x() +  tracksPin()[1].x();
    double py= tracksPin()[0].y() +  tracksPin()[1].y();
    double pz= tracksPin()[0].z() +  tracksPin()[1].z();
    double mom1= tracksPin()[0].Mag2();
    double mom2= tracksPin()[1].Mag2();
    double e = sqrt( mom1+ mElec*mElec ) + sqrt( mom2 + mElec*mElec );
    invMass= ( e*e - px*px -py*py - pz*pz);
    if ( invMass>0) invMass = sqrt(invMass);
    else 
      invMass = -1;
  }
  
  return invMass;
}

math::XYZVectorF Conversion::pairMomentum

(

)

const

Conversion tracks momentum from the tracks inner momentum.

Definition at line 223 of file Conversion.cc.

References nTracks(), and tracksPin().

Referenced by FWConvTrackHitsDetailView::build(), EoverP(), FWConversionProxyBuilder::requestCommon(), and FWConvTrackHitsDetailView::setTextInfo().

                                                {
  
  if ( nTracks()==2 ) {
    return this->tracksPin()[0] +  this->tracksPin()[1];
  }
  return math::XYZVectorF(0.,0.,0.);



}

bool reco::Conversion::quality ( ConversionQuality  q ) const

inline

Definition at line 181 of file Conversion.h.

References lumiQueryAPI::q, and qualityMask_.

Referenced by TkConvValidator::analyze(), and OniaPhotonConversionProducer::PackFlags().

{ return  (qualityMask_ & (1<<q))>>q; }

math::XYZTLorentzVectorF Conversion::refittedPair4Momentum

(

)

const

Conversion track pair 4-momentum from the tracks refitted with vertex constraint.

Definition at line 235 of file Conversion.cc.

References conversionVertex(), p4, and reco::Vertex::p4().

Referenced by OniaPhotonConversionProducer::CheckPi0(), PF_PU_AssoMapAlgos::FindConversionVertex(), OniaPhotonConversionProducer::makePhotonCandidate(), and refittedPairMomentum().

                                                                {

  math::XYZTLorentzVectorF p4;
  if ( this->conversionVertex().isValid() ) 
    p4 = this->conversionVertex().p4( 0.000511, 0.5);

  return p4;


}

math::XYZVectorF Conversion::refittedPairMomentum

(

)

const

Conversion tracks momentum from the tracks refitted with vertex constraint.

Definition at line 248 of file Conversion.cc.

References conversionVertex(), and refittedPair4Momentum().

Referenced by TkConvValidator::analyze(), dxy(), dz(), EoverPrefittedTracks(), ConversionTools::isGoodConversion(), lxy(), lz(), ConversionTools::matchesConversion(), and ConversionProducer::matchingSC().

                                                        {

  if (  this->conversionVertex().isValid() ) {
    return this->refittedPair4Momentum().Vect();
  }
  return math::XYZVectorF(0.,0.,0.);

}

void reco::Conversion::setConversionAlgorithm ( const ConversionAlgorithm  a, bool  set = true  )

inline

Conversion Track algorithm/provenance.

Definition at line 175 of file Conversion.h.

References a, algorithm_, and undefined.

{ if (set) algorithm_=a; else algorithm_=undefined;}

void reco::Conversion::setMatchingSuperCluster ( const reco::CaloClusterPtrVector &  sc )

inline

Definition at line 173 of file Conversion.h.

References caloCluster_.

Referenced by ConversionProducer::buildCollection().

{ caloCluster_= sc;}

void reco::Conversion::setMVAout ( const float &  mva )

inline

set the value of the TMVA output

Definition at line 169 of file Conversion.h.

References HLT_25ns10e33_v2_cff::mva, and theMVAout_.

Referenced by ConvertedPhotonProducer::buildCollections().

{ theMVAout_=mva;}

void reco::Conversion::setOneLegMVA ( const std::vector< float > &  mva )

inline

set the MVS output from PF for one leg conversions

Definition at line 171 of file Conversion.h.

References HLT_25ns10e33_v2_cff::mva, and theOneLegMVA_.

Referenced by PFPhotonTranslator::createOneLegConversions(), and PFEGammaProducer::createSingleLegConversions().

{ theOneLegMVA_=mva;}

void reco::Conversion::setQuality ( ConversionQuality  q, bool  b  )

inline

Definition at line 247 of file Conversion.h.

References lumiQueryAPI::q, and qualityMask_.

Referenced by ConversionProducer::buildCollection().

                                                                 {
      if (b)//regular OR if setting value to true
        qualityMask_ |= (1<<q) ;
      else // doing "half-XOR" if unsetting value
        qualityMask_ &= (~(1<<q));

    }

std::vector< edm::RefToBase< reco::Track > > const & Conversion::tracks

(

void

)

const

vector of track to base references

Definition at line 176 of file Conversion.cc.

References trackToBaseRefs_.

Referenced by TkConvValidator::analyze(), FWConvTrackHitsDetailView::build(), ConversionLikelihoodCalculator::calculateLikelihood(), OniaPhotonConversionProducer::checkTkVtxCompatibility(), ConversionEqualByTrack(), OniaPhotonConversionProducer::HighpuritySubset(), OniaPhotonConversionProducer::makePhotonCandidate(), ConversionTools::matchesConversion(), nTracks(), reco::operator==(), FWConvTrackHitsDetailView::setTextInfo(), and tracksSigned_d0().

                                                                     { 
  return trackToBaseRefs_;
}

const std::vector<math::XYZPointF>& reco::Conversion::tracksInnerPosition ( ) const

inline

Vector containing the position of the innermost hit of each track.

Definition at line 155 of file Conversion.h.

References theTrackInnerPosition_.

{return theTrackInnerPosition_;}

const std::vector<math::XYZVectorF>& reco::Conversion::tracksPin ( ) const

inline

Vector of track momentum measured at the innermost hit.

Definition at line 159 of file Conversion.h.

References theTrackPin_.

Referenced by ConversionLikelihoodCalculator::calculateLikelihood(), dPhiTracksAtVtx(), pairCotThetaSeparation(), pairInvariantMass(), and pairMomentum().

{return theTrackPin_;}

const std::vector<math::XYZVectorF>& reco::Conversion::tracksPout ( ) const

inline

Vector of track momentum measured at the outermost hit.

Definition at line 157 of file Conversion.h.

References theTrackPout_.

{return theTrackPout_;}

std::vector< double > Conversion::tracksSigned_d0

(

)

const

signed transverse impact parameter for each track

Definition at line 303 of file Conversion.cc.

References mps_fire::result, findQualityFiles::size, and tracks().

                                                      {
  std::vector<double> result;
  result.reserve(tracks().size());
  
  for (auto const& track: tracks()) {
    result.emplace_back(track->d0()* track->charge()) ;
  }
  return result;
}

double reco::Conversion::zOfPrimaryVertexFromTracks ( const math::XYZPoint &  myBeamSpot = math::XYZPoint() ) const

inline

Definition at line 145 of file Conversion.h.

References dz().

Referenced by TkConvValidator::analyze(), OniaPhotonConversionProducer::HighpuritySubset(), ConversionProducer::matchingSC(), and FWConversionProxyBuilder::requestCommon().

{ return dz(myBeamSpot) + myBeamSpot.z(); }

Member Data Documentation

std::string const Conversion::algoNames = { "undefined","ecalSeeded","trackerOnly","mixed","pflow"}

static

Definition at line 43 of file Conversion.h.

Referenced by algoByName(), and algoName().

uint8_t reco::Conversion::algorithm_

private

conversion algorithm/provenance

Definition at line 218 of file Conversion.h.

Referenced by algo(), algoName(), Conversion(), and setConversionAlgorithm().

reco::CaloClusterPtrVector reco::Conversion::caloCluster_

private

vector pointer to a/multiple seed CaloCluster(s)

Definition at line 189 of file Conversion.h.

Referenced by caloCluster(), and setMatchingSuperCluster().

std::vector<Measurement1DFloat> reco::Conversion::dlClosestHitToVtx_

private

signed decay length and uncertainty from nearest hit on track to conversion vertex

Definition at line 207 of file Conversion.h.

Referenced by dlClosestHitToVtx().

std::vector<uint8_t> reco::Conversion::nHitsBeforeVtx_

private

number of hits before the vertex on each trackerOnly

Definition at line 205 of file Conversion.h.

Referenced by nHitsBeforeVtx().

uint8_t reco::Conversion::nSharedHits_

private

number of shared hits between tracks

Definition at line 216 of file Conversion.h.

Referenced by Conversion(), and nSharedHits().

uint16_t reco::Conversion::qualityMask_

private

Definition at line 214 of file Conversion.h.

Referenced by Conversion(), quality(), and setQuality().

reco::Vertex reco::Conversion::theConversionVertex_

private

Fitted Kalman conversion vertex.

Definition at line 195 of file Conversion.h.

Referenced by conversionVertex().

std::vector<reco::CaloClusterPtr> reco::Conversion::theMatchingBCs_

private

Clusters mathing the tracks (these are not the seeds)

Definition at line 197 of file Conversion.h.

Referenced by bcMatchingWithTracks().

float reco::Conversion::theMinDistOfApproach_

private

Distance of min approach of the two tracks.

Definition at line 211 of file Conversion.h.

Referenced by Conversion(), and distOfMinimumApproach().

float reco::Conversion::theMVAout_

private

TMVA output.

Definition at line 213 of file Conversion.h.

Referenced by Conversion(), MVAout(), and setMVAout().

std::vector<float> reco::Conversion::theOneLegMVA_

private

vectors of TMVA outputs from pflow for one leg conversions

Definition at line 209 of file Conversion.h.

Referenced by oneLegMVA(), and setOneLegMVA().

std::vector<math::XYZPointF> reco::Conversion::thePositionAtEcal_

private

position at the ECAl surface of the track extrapolation

Definition at line 193 of file Conversion.h.

Referenced by Conversion(), and ecalImpactPosition().

std::vector<math::XYZPointF> reco::Conversion::theTrackInnerPosition_

private

P_in of tracks.

Definition at line 199 of file Conversion.h.

Referenced by Conversion(), and tracksInnerPosition().

std::vector<math::XYZVectorF> reco::Conversion::theTrackPin_

private

P_in of tracks.

Definition at line 201 of file Conversion.h.

Referenced by Conversion(), and tracksPin().

std::vector<math::XYZVectorF> reco::Conversion::theTrackPout_

private

P_out of tracks.

Definition at line 203 of file Conversion.h.

Referenced by Conversion(), and tracksPout().

std::vector<edm::RefToBase<reco::Track> > reco::Conversion::trackToBaseRefs_

private

vector Track RefToBase

Definition at line 191 of file Conversion.h.

Referenced by Conversion(), and tracks().