EgAmbiguityTools Namespace Reference

Classes
struct	isInnerMost
Functions
bool	isBetter (const reco::GsfElectron *, const reco::GsfElectron *)
int	sharedDets (const reco::GsfTrackRef &, const reco::GsfTrackRef &)
float	sharedEnergy (const reco::SuperClusterRef &, const reco::SuperClusterRef &, edm::Handle< EcalRecHitCollection > &barrelRecHits, edm::Handle< EcalRecHitCollection > &endcapRecHits)
float	sharedEnergy (const reco::CaloCluster *, const reco::CaloCluster *, edm::Handle< EcalRecHitCollection > &barrelRecHits, edm::Handle< EcalRecHitCollection > &endcapRecHits)
int	sharedHits (const reco::GsfTrackRef &, const reco::GsfTrackRef &)

---

Function Documentation

bool EgAmbiguityTools::isBetter	(	const reco::GsfElectron *	e1,
		const reco::GsfElectron *	e2
	)

Definition at line 30 of file EgAmbiguityTools.cc.

References abs, and reco::GsfElectron::eSuperClusterOverP().

Referenced by EgAmbiguityTools::isInnerMost::operator()(), and GsfElectronAlgo::setAmbiguityData().

 { return (std::abs(e1->eSuperClusterOverP()-1)<std::abs(e2->eSuperClusterOverP()-1)) ; }

int EgAmbiguityTools::sharedDets	(	const reco::GsfTrackRef &	gsfTrackRef1,
		const reco::GsfTrackRef &	gsfTrackRef2
	)

Definition at line 113 of file EgAmbiguityTools.cc.

References reco::HitPattern::getHitPattern(), reco::HitPattern::pixelHitFilter(), reco::HitPattern::stripTECHitFilter(), reco::HitPattern::stripTIBHitFilter(), reco::HitPattern::stripTIDHitFilter(), and reco::HitPattern::stripTOBHitFilter().

                             {

  //get the Hit Pattern for the gsfTracks
  const HitPattern& gsfHitPattern1 = gsfTrackRef1->hitPattern();
  const HitPattern& gsfHitPattern2 = gsfTrackRef2->hitPattern();

  unsigned int shared = 0;

  int gsfHitCounter1 = 0;
  for(trackingRecHit_iterator elHitsIt1 = gsfTrackRef1->recHitsBegin();
      elHitsIt1 != gsfTrackRef1->recHitsEnd(); elHitsIt1++, gsfHitCounter1++) {
    if(!((**elHitsIt1).isValid()))  //count only valid Hits
      continue;
    //if (gsfHitCounter1>1) continue; // to test only the first hit of the track 1
    uint32_t gsfHit = gsfHitPattern1.getHitPattern(gsfHitCounter1);
    if(!(gsfHitPattern1.pixelHitFilter(gsfHit)
         || gsfHitPattern1.stripTIBHitFilter(gsfHit)
         || gsfHitPattern1.stripTOBHitFilter(gsfHit)
         || gsfHitPattern1.stripTECHitFilter(gsfHit)
         || gsfHitPattern1.stripTIDHitFilter(gsfHit) )
    ) continue;
    int gsfHitsCounter2 = 0;
    for(trackingRecHit_iterator gsfHitsIt2 = gsfTrackRef2->recHitsBegin();
        gsfHitsIt2 != gsfTrackRef2->recHitsEnd(); gsfHitsIt2++, gsfHitsCounter2++) {
      if(!((**gsfHitsIt2).isValid())) //count only valid Hits!
        continue;

      uint32_t gsfHit2 = gsfHitPattern2.getHitPattern(gsfHitsCounter2);
      if(!(gsfHitPattern2.pixelHitFilter(gsfHit2)
           || gsfHitPattern2.stripTIBHitFilter(gsfHit2)
           || gsfHitPattern1.stripTOBHitFilter(gsfHit2)
           || gsfHitPattern2.stripTECHitFilter(gsfHit2)
           || gsfHitPattern2.stripTIDHitFilter(gsfHit2) )
      ) continue;
      if ((**elHitsIt1).geographicalId() == (**gsfHitsIt2).geographicalId()) shared++;
    }//gsfHits2 iterator
  }//gsfHits1 iterator

  //std::cout << "[sharedHits] number of shared dets " << shared << std::endl;
  //return shared/min(gsfTrackRef1->numberOfValidHits(),gsfTrackRef2->numberOfValidHits());
  return shared;

}

float EgAmbiguityTools::sharedEnergy	(	const reco::SuperClusterRef &	sc1,
		const reco::SuperClusterRef &	sc2,
		edm::Handle< EcalRecHitCollection > &	barrelRecHits,
		edm::Handle< EcalRecHitCollection > &	endcapRecHits
	)

Definition at line 193 of file EgAmbiguityTools.cc.

References sharedEnergy().

                                                         {

  double energyShared = 0;
  for(CaloCluster_iterator icl1=sc1->clustersBegin();icl1!=sc1->clustersEnd(); icl1++) {
    for(CaloCluster_iterator icl2=sc2->clustersBegin();icl2!=sc2->clustersEnd(); icl2++) {
      energyShared += sharedEnergy(&(**icl1),&(**icl2),barrelRecHits,endcapRecHits );
    }
  }
  return energyShared;

}

float EgAmbiguityTools::sharedEnergy	(	const reco::CaloCluster *	clu1,
		const reco::CaloCluster *	clu2,
		edm::Handle< EcalRecHitCollection > &	barrelRecHits,
		edm::Handle< EcalRecHitCollection > &	endcapRecHits
	)

Definition at line 158 of file EgAmbiguityTools.cc.

References EcalBarrel, EcalEndcap, and reco::CaloCluster::hitsAndFractions().

Referenced by GsfElectronAlgo::setAmbiguityData(), and sharedEnergy().

                                                         {

  double fractionShared = 0;

  std::vector< std::pair<DetId, float> > v_id1 = clu1->hitsAndFractions();
  std::vector< std::pair<DetId, float> > v_id2 = clu2->hitsAndFractions();
  std::vector< std::pair<DetId, float> >::iterator ih1;
  std::vector< std::pair<DetId, float> >::iterator ih2;

  for(ih1 = v_id1.begin();ih1 != v_id1.end(); ih1++) {

    for(ih2 = v_id2.begin();ih2 != v_id2.end(); ih2++) {

      if ( (*ih1).first != (*ih2).first ) continue;

      // here we have common Xtal id
      EcalRecHitCollection::const_iterator itt;
      if ((*ih1).first.subdetId() == EcalBarrel) {
        if ((itt=barrelRecHits->find((*ih1).first))!=barrelRecHits->end())
        fractionShared += itt->energy();
      } else if ((*ih1).first.subdetId() == EcalEndcap) {
        if ((itt=endcapRecHits->find((*ih1).first))!=endcapRecHits->end())
        fractionShared += itt->energy();
      }

    }
  }

  //std::cout << "[sharedEnergy] shared energy /min(energy1,energy2) " << fractionShared << std::endl;
  return fractionShared;

}

int EgAmbiguityTools::sharedHits	(	const reco::GsfTrackRef &	gsfTrackRef1,
		const reco::GsfTrackRef &	gsfTrackRef2
	)

Definition at line 66 of file EgAmbiguityTools.cc.

References reco::HitPattern::getHitPattern(), reco::HitPattern::pixelHitFilter(), TrackingRecHit::some, reco::HitPattern::stripTECHitFilter(), reco::HitPattern::stripTIBHitFilter(), reco::HitPattern::stripTIDHitFilter(), and reco::HitPattern::stripTOBHitFilter().

Referenced by MTVHistoProducerAlgoForTracker::fill_generic_recoTrack_histos(), and CosmicMuonLinksProducer::mapTracks().

 {
  //get the Hit Pattern for the gsfTracks
  const HitPattern & gsfHitPattern1 = gsfTrackRef1->hitPattern() ;
  const HitPattern & gsfHitPattern2 = gsfTrackRef2->hitPattern() ;

  unsigned int shared = 0;

  int gsfHitCounter1 = 0;
  for(trackingRecHit_iterator elHitsIt1 = gsfTrackRef1->recHitsBegin();
      elHitsIt1 != gsfTrackRef1->recHitsEnd(); elHitsIt1++, gsfHitCounter1++) {
    if(!((**elHitsIt1).isValid()))  //count only valid Hits
      continue;
    //if (gsfHitCounter1>1) continue; // test only the first hit of the track 1
    uint32_t gsfHit = gsfHitPattern1.getHitPattern(gsfHitCounter1);
    if(!(gsfHitPattern1.pixelHitFilter(gsfHit)
         || gsfHitPattern1.stripTIBHitFilter(gsfHit)
         || gsfHitPattern1.stripTOBHitFilter(gsfHit)
         || gsfHitPattern1.stripTECHitFilter(gsfHit)
         || gsfHitPattern1.stripTIDHitFilter(gsfHit) )
    ) continue;
    int gsfHitsCounter2 = 0;
    for(trackingRecHit_iterator gsfHitsIt2 = gsfTrackRef2->recHitsBegin();
        gsfHitsIt2 != gsfTrackRef2->recHitsEnd(); gsfHitsIt2++, gsfHitsCounter2++) {
      if(!((**gsfHitsIt2).isValid())) //count only valid Hits!
        continue;

      uint32_t gsfHit2 = gsfHitPattern2.getHitPattern(gsfHitsCounter2);
      if(!(gsfHitPattern2.pixelHitFilter(gsfHit2)
         || gsfHitPattern2.stripTIBHitFilter(gsfHit2)
         || gsfHitPattern2.stripTOBHitFilter(gsfHit2)
         || gsfHitPattern2.stripTECHitFilter(gsfHit2)
         || gsfHitPattern2.stripTIDHitFilter(gsfHit2) )
      ) continue;
      if( (**elHitsIt1).sharesInput(&(**gsfHitsIt2), TrackingRecHit::some) ) {
//        if (comp.equals(&(**elHitsIt1),&(**gsfHitsIt2))) {
        //std::cout << "found shared hit " << gsfHit2 << std::endl;
        shared++;
      }
    }//gsfHits2 iterator
  }//gsfHits1 iterator

  //std::cout << "[sharedHits] number of shared hits " << shared << std::endl;
  return shared;

}