MuonSimClassifier Class Reference

Inheritance diagram for MuonSimClassifier:

Public Member Functions
	MuonSimClassifier (const edm::ParameterSet &)
	~MuonSimClassifier () override
Public Member Functions inherited from edm::stream::EDProducer<>
	EDProducer ()=default
bool	hasAbilityToProduceInLumis () const final
bool	hasAbilityToProduceInRuns () const final

Private Member Functions
int	convertAndPush (const TrackingParticle &tp, reco::GenParticleCollection &out, const TrackingParticleRef &momRef, const edm::Handle< reco::GenParticleCollection > &genParticles) const
int	flavour (int pdgId) const
	Returns the flavour given a pdg id code. More...
TrackingParticleRef	getTpMother (TrackingParticleRef tp)
void	produce (edm::Event &, const edm::EventSetup &) override
template<typename T >
void	writeValueMap (edm::Event &iEvent, const edm::Handle< edm::View< reco::Muon > > &handle, const std::vector< T > &values, const std::string &label) const
	Write a ValueMap<int> in the event. More...

Private Attributes
edm::InputTag	associatorLabel_
	The Associations. More...
double	decayAbsZ_
double	decayRho_
	Cylinder to use to decide if a decay is early or late. More...
edm::InputTag	genParticles_
edm::EDGetTokenT< reco::GenParticleCollection >	genParticlesToken_
bool	linkToGenParticles_
	Create a link to the generator level particles. More...
edm::EDGetTokenT< reco::MuonToTrackingParticleAssociator >	muAssocToken_
edm::EDGetTokenT< edm::View< reco::Muon > >	muonsToken_
	The RECO objects. More...
edm::EDGetTokenT< TrackingParticleCollection >	trackingParticlesToken_
	The TrackingParticle objects. More...
reco::MuonTrackType	trackType_
	Track to use. More...

Additional Inherited Members
Public Types inherited from edm::stream::EDProducer<>
typedef CacheContexts< T... >	CacheTypes
typedef CacheTypes::GlobalCache	GlobalCache
typedef AbilityChecker< T... >	HasAbility
typedef CacheTypes::LuminosityBlockCache	LuminosityBlockCache
typedef LuminosityBlockContextT< LuminosityBlockCache, RunCache, GlobalCache >	LuminosityBlockContext
typedef CacheTypes::LuminosityBlockSummaryCache	LuminosityBlockSummaryCache
typedef CacheTypes::RunCache	RunCache
typedef RunContextT< RunCache, GlobalCache >	RunContext
typedef CacheTypes::RunSummaryCache	RunSummaryCache

Detailed Description

Definition at line 67 of file MuonSimClassifier.cc.

Constructor & Destructor Documentation

MuonSimClassifier::MuonSimClassifier ( const edm::ParameterSet &  iConfig )

explicit

Definition at line 123 of file MuonSimClassifier.cc.

References Exception, genParticles_, genParticlesToken_, edm::ParameterSet::getParameter(), reco::GlbOrTrk, reco::GlobalTk, reco::InnerTk, linkToGenParticles_, reco::OuterTk, reco::Segments, AlCaHLTBitMon_QueryRunRegistry::string, tkIsoDeposits_cff::trackType, and trackType_.

                                                                   :
    muonsToken_(consumes<edm::View<reco::Muon> >(iConfig.getParameter<edm::InputTag>("muons"))),
    trackingParticlesToken_(consumes<TrackingParticleCollection>(iConfig.getParameter<edm::InputTag>("trackingParticles"))),
    muAssocToken_(consumes<reco::MuonToTrackingParticleAssociator>(iConfig.getParameter<edm::InputTag>("associatorLabel"))),
    decayRho_(iConfig.getParameter<double>("decayRho")),
    decayAbsZ_(iConfig.getParameter<double>("decayAbsZ")),
    linkToGenParticles_(iConfig.getParameter<bool>("linkToGenParticles")),
    genParticles_(linkToGenParticles_ ? iConfig.getParameter<edm::InputTag>("genParticles") : edm::InputTag())

{
    std::string trackType = iConfig.getParameter< std::string >("trackType");
    if (trackType == "inner") trackType_ = reco::InnerTk;
    else if (trackType == "outer") trackType_ = reco::OuterTk;
    else if (trackType == "global") trackType_ = reco::GlobalTk;
    else if (trackType == "segments") trackType_ = reco::Segments;
    else if (trackType == "glb_or_trk") trackType_ = reco::GlbOrTrk;
    else throw cms::Exception("Configuration") << "Track type '" << trackType << "' not supported.\n";
    if (linkToGenParticles_) {
      genParticlesToken_ = consumes<reco::GenParticleCollection>(genParticles_);
    }

    produces<edm::ValueMap<reco::MuonSimInfo> >();
    if (linkToGenParticles_) {
        produces<reco::GenParticleCollection>("secondaries");
        produces<edm::Association<reco::GenParticleCollection> >("toPrimaries");
        produces<edm::Association<reco::GenParticleCollection> >("toSecondaries");
    }
}

MuonSimClassifier::~MuonSimClassifier ( )

override

Definition at line 152 of file MuonSimClassifier.cc.

{
}

Member Function Documentation

int MuonSimClassifier::convertAndPush ( const TrackingParticle &  tp, reco::GenParticleCollection &  out, const TrackingParticleRef &  momRef, const edm::Handle< reco::GenParticleCollection > &  genParticles  ) const

private

Convert TrackingParticle into GenParticle, save into output collection, if mother is primary set reference to it, return index in output collection

Definition at line 565 of file MuonSimClassifier.cc.

References TrackingParticle::charge(), DEFINE_FWK_MODULE, Exception, genParticles_, edm::HandleBase::id(), edm::Ref< C, T, F >::id(), edm::Ref< C, T, F >::isNonnull(), TrackingParticle::p4(), TrackingParticle::pdgId(), TrackingParticle::status(), and TrackingParticle::vertex().

Referenced by getTpMother(), and produce().

                                                                                                      {
    out.push_back(reco::GenParticle(tp.charge(), tp.p4(), tp.vertex(), tp.pdgId(), tp.status(), true));
    if (simMom.isNonnull() && !simMom->genParticles().empty()) {
         if (genParticles.id() != simMom->genParticles().id()) {
            throw cms::Exception("Configuration") << "Product ID mismatch between the genParticle collection (" << genParticles_ << ", id " << genParticles.id() << ") and the references in the TrackingParticles (id " << simMom->genParticles().id() << ")\n";
         }
         out.back().addMother(simMom->genParticles()[0]);
    }
    return out.size()-1;
}

int MuonSimClassifier::flavour ( int  pdgId ) const

private

Returns the flavour given a pdg id code.

Definition at line 549 of file MuonSimClassifier.cc.

References funct::abs().

Referenced by produce().

                                          {
    int flav = std::abs(pdgId);
    // for quarks, leptons and bosons except gluons, take their pdgId
    // muons and taus have themselves as flavour
    if (flav <= 37 && flav != 21) return flav;
    // look for barions
    int bflav = ((flav / 1000) % 10);
    if (bflav != 0) return bflav;
    // look for mesons
    int mflav = ((flav / 100) % 10);
    if (mflav != 0) return mflav;
    return 0;
}

TrackingParticleRef MuonSimClassifier::getTpMother ( TrackingParticleRef  tp )

inlineprivate

Definition at line 105 of file MuonSimClassifier.cc.

References convertAndPush(), GenHFHadronMatcher_cfi::genParticles, edm::Ref< C, T, F >::isNonnull(), and MillePedeFileConverter_cfg::out.

Referenced by produce().

                                                                {
            if (tp.isNonnull() && tp->parentVertex().isNonnull() && !tp->parentVertex()->sourceTracks().empty()) {
                return tp->parentVertex()->sourceTracks()[0];
            } else {
                return TrackingParticleRef();
            }
        }

void MuonSimClassifier::produce ( edm::Event &  iEvent, const edm::EventSetup &  iSetup  )

overrideprivate

Definition at line 168 of file MuonSimClassifier.cc.

References funct::abs(), allMuons_cfi::allMuons, reco::MuonToTrackingParticleAssociator::associateMuons(), edm::RefToBaseVector< T >::at(), convertAndPush(), decayAbsZ_, decayRho_, dumpFormatedInfo(), Exception, reco::ExtGhostElectron, reco::ExtGhostPunchthrough, reco::ExtMatchedElectron, reco::ExtMatchedPunchthrough, reco::ExtNotMatched, edm::helper::Filler< Map >::fill(), flavour(), GenHFHadronMatcher_cfi::genParticles, genParticles_, genParticlesToken_, edm::Event::getByToken(), getTpMother(), reco::GhostElectron, reco::GhostMuonFromB, reco::GhostMuonFromBtoC, reco::GhostMuonFromC, reco::GhostMuonFromGaugeOrHiggsBoson, reco::GhostMuonFromHeavyFlavour, reco::GhostMuonFromLightFlavour, reco::GhostMuonFromNonPrimaryParticle, reco::GhostMuonFromOtherLight, reco::GhostMuonFromPiKNotppMuX, reco::GhostMuonFromPiKppMuX, reco::GhostMuonFromTau, reco::GhostPrimaryMuon, reco::GhostPunchthrough, reco::GlobalTk, mps_fire::i, edm::HandleBase::id(), edm::Ref< C, T, F >::id(), edm::helper::Filler< Map >::insert(), reco::Muon::isGlobalMuon(), edm::Ref< C, T, F >::isNonnull(), edm::Ref< C, T, F >::key(), linkToGenParticles_, LogTrace, match(), reco::MatchedElectron, reco::MatchedMuonFromB, reco::MatchedMuonFromBtoC, reco::MatchedMuonFromC, reco::MatchedMuonFromGaugeOrHiggsBoson, reco::MatchedMuonFromHeavyFlavour, reco::MatchedMuonFromLightFlavour, reco::MatchedMuonFromNonPrimaryParticle, reco::MatchedMuonFromOtherLight, reco::MatchedMuonFromPiKNotppMuX, reco::MatchedMuonFromPiKppMuX, reco::MatchedMuonFromTau, reco::MatchedPrimaryMuon, reco::MatchedPunchthrough, eostools::move(), muAssocToken_, nano_cff::muons, muonsToken_, gen::n, reco::NotMatched, reco::OuterTk, edm::Handle< T >::product(), edm::RefToBaseVector< T >::push_back(), edm::RefVector< C, T, F >::push_back(), edm::Event::put(), trackingTruthProducer_cfi::trackingParticles, trackingParticlesToken_, trackType_, and writeValueMap().

{
    edm::Handle<edm::View<reco::Muon> > muons;
    iEvent.getByToken(muonsToken_, muons);

    edm::Handle<TrackingParticleCollection> trackingParticles;
    iEvent.getByToken(trackingParticlesToken_, trackingParticles);

    edm::Handle<reco::GenParticleCollection> genParticles;
    if (linkToGenParticles_) {
        iEvent.getByToken(genParticlesToken_, genParticles);
    }

    edm::Handle<reco::MuonToTrackingParticleAssociator> associatorBase;
    iEvent.getByToken(muAssocToken_, associatorBase);
    const reco::MuonToTrackingParticleAssociator * assoByHits = associatorBase.product();

    reco::MuonToSimCollection recSimColl;
    reco::SimToMuonCollection simRecColl;
    LogTrace("MuonSimClassifier") <<"\n ***************************************************************** ";
    LogTrace("MuonSimClassifier") <<  " RECO MUON association, type:  "<< trackType_;
    LogTrace("MuonSimClassifier") <<  " ***************************************************************** \n";

    edm::RefToBaseVector<reco::Muon> allMuons;
    for (size_t i = 0, n = muons->size(); i < n; ++i) {
      allMuons.push_back(muons->refAt(i));
    }
    
    edm::RefVector<TrackingParticleCollection> allTPs;
    for (size_t i = 0, n = trackingParticles->size(); i < n; ++i) {
        allTPs.push_back(TrackingParticleRef(trackingParticles,i));
    }

    assoByHits->associateMuons(recSimColl, simRecColl, allMuons, trackType_, allTPs);

    // for global muons without hits on muon detectors, look at the linked standalone muon
    reco::MuonToSimCollection updSTA_recSimColl;
    reco::SimToMuonCollection updSTA_simRecColl;
    if (trackType_ == reco::GlobalTk) {
      LogTrace("MuonSimClassifier") <<"\n ***************************************************************** ";
      LogTrace("MuonSimClassifier") <<  " STANDALONE (UpdAtVtx) MUON association ";
      LogTrace("MuonSimClassifier") <<  " ***************************************************************** \n";
      assoByHits->associateMuons(updSTA_recSimColl, updSTA_simRecColl, allMuons, reco::OuterTk, allTPs);
    }

    typedef reco::MuonToSimCollection::const_iterator r2s_it;
    typedef reco::SimToMuonCollection::const_iterator s2r_it;

    size_t nmu = muons->size();
    LogTrace("MuonSimClassifier") <<"\n There are "<<nmu<<" reco::Muons.";

    std::vector<reco::MuonSimInfo> simInfo;

    std::unique_ptr<reco::GenParticleCollection> secondaries;     // output collection of secondary muons
    std::map<TrackingParticleRef, int>         tpToSecondaries; // map from tp to (index+1) in output collection
    std::vector<int> muToPrimary(nmu, -1), muToSecondary(nmu, -1); // map from input into (index) in output, -1 for null
    if (linkToGenParticles_) secondaries.reset(new reco::GenParticleCollection());
    
    // loop on reco muons
    for(size_t i = 0; i < nmu; ++i) {
      simInfo.push_back(reco::MuonSimInfo());
      LogTrace("MuonSimClassifier") <<"\n reco::Muon # "<<i;

        TrackingParticleRef        tp;
        edm::RefToBase<reco::Muon> muMatchBack;
        r2s_it match = recSimColl.find(allMuons.at(i));
        s2r_it matchback;
        if (match != recSimColl.end()) {
      // match->second is vector, front is first element, first is the ref (second would be the quality)
      tp = match->second.front().first;
      simInfo[i].tpId = tp.isNonnull() ? tp.key() : -1; // we check, even if null refs should not appear here at all
      simInfo[i].tpAssoQuality = match->second.front().second;
      s2r_it matchback = simRecColl.find(tp);
      if (matchback != simRecColl.end()) {
        muMatchBack = matchback->second.front().first;
      } else {
        LogTrace("MuonSimClassifier") << "\n***WARNING:  This I do NOT understand: why no match back? *** \n";
      }
        } else {
      if ((trackType_ == reco::GlobalTk) && allMuons.at(i)->isGlobalMuon()) {
        // perform a second attempt, matching with the standalone muon
        r2s_it matchSta = updSTA_recSimColl.find(allMuons.at(i));
        if (matchSta != updSTA_recSimColl.end()) {
          tp    = matchSta->second.front().first;
          simInfo[i].tpId = tp.isNonnull() ? tp.key() : -1; // we check, even if null refs should not appear here at all
          simInfo[i].tpAssoQuality = matchSta->second.front().second;
          s2r_it matchback = updSTA_simRecColl.find(tp);
          if (matchback != updSTA_simRecColl.end()) {
        muMatchBack = matchback->second.front().first;
          } else {
        LogTrace("MuonSimClassifier") << 
          "\n***WARNING:  This I do NOT understand: why no match back in updSTA? *** \n";
          }
        }
      } else {
        LogTrace("MuonSimClassifier") <<"\t No matching TrackingParticle is found ";
      }
    }
    
        if (tp.isNonnull()) {
      bool isGhost = muMatchBack != allMuons.at(i);
      if (isGhost) LogTrace("MuonSimClassifier") <<"\t *** This seems a Duplicate muon ! classif[i] will be < 0 ***";

      // identify signal and pileup TP
      simInfo[i].tpBX      = tp->eventId().bunchCrossing();
      simInfo[i].tpEvent   = tp->eventId().event();

      simInfo[i].pdgId = tp->pdgId();
      simInfo[i].vertex = tp->vertex();

      // added info on GEANT process producing the TrackingParticle
      const std::vector<SimVertex> & g4Vs = tp->parentVertex()->g4Vertices();
      simInfo[i].g4processType = g4Vs[0].processType();
      
      simInfo[i].charge = tp->charge();
      simInfo[i].p4 = tp->p4();

      // Try to extract mother and grand mother of this muon.
      // Unfortunately, SIM and GEN histories require diffent code :-(
      if (!tp->genParticles().empty()) { // Muon is in GEN
        reco::GenParticleRef genp   = tp->genParticles()[0];
        reco::GenParticleRef genMom = genp->numberOfMothers() > 0 ? genp->motherRef() : reco::GenParticleRef();
        reco::GenParticleRef mMom = genMom;
          
        if (genMom.isNonnull()) {
          if (genMom->pdgId() != tp->pdgId()) {
        simInfo[i].motherPdgId  = genMom->pdgId();
        simInfo[i].motherStatus = genMom->status();
        simInfo[i].motherVertex = genMom->vertex(); 
          } else {
        // if mother has the same identity look backwards for the real mother (it may happen in radiative decays) 
        int jm = 0;
        while (mMom->pdgId() == tp->pdgId()) {
          jm++;
          if (mMom->numberOfMothers() > 0) {
            mMom = mMom->motherRef();
          }
          LogTrace("MuonSimClassifier") 
            << "\t\t backtracking mother "<<jm<<", pdgId = "<<mMom->pdgId()<<", status= " <<mMom->status();
        }
        genMom = mMom; // redefine genMom
        simInfo[i].motherPdgId  = genMom->pdgId();
        simInfo[i].motherStatus = genMom->status();
        simInfo[i].motherVertex = genMom->vertex(); 
          }
          dumpFormatedInfo(simInfo[i]);
          LogTrace("MuonSimClassifier") << 
        "\t   has GEN mother pdgId = " << simInfo[i].motherPdgId << 
        " (status = " << simInfo[i].motherStatus << ")";
        
          reco::GenParticleRef genGMom = genMom->numberOfMothers() > 0 ? genMom->motherRef() : reco::GenParticleRef();
          
          if (genGMom.isNonnull()) {
        simInfo[i].grandMotherPdgId = genGMom->pdgId();
        LogTrace("MuonSimClassifier") << 
          "\t\t mother prod. vertex rho = " << simInfo[i].motherVertex.Rho() << ", z = " << simInfo[i].motherVertex.Z() << 
          ", grand-mom pdgId = " << simInfo[i].grandMotherPdgId;
          }
          // in this case, we might want to know the heaviest mom flavour
          for (reco::GenParticleRef nMom = genMom;
           nMom.isNonnull() && std::abs(nMom->pdgId()) >= 100; // stop when we're no longer looking at hadrons or mesons
           nMom = nMom->numberOfMothers() > 0 ? nMom->motherRef() : reco::GenParticleRef()) {
        int flav = flavour(nMom->pdgId());
        if (simInfo[i].heaviestMotherFlavour < flav) simInfo[i].heaviestMotherFlavour = flav;
        LogTrace("MuonSimClassifier") 
          << "\t\t backtracking flavour: mom pdgId = " << nMom->pdgId()
          << ", flavour = " << flav << ", heaviest so far = " << simInfo[i].heaviestMotherFlavour;
          }
        } else {   // mother is null ??
          dumpFormatedInfo(simInfo[i]);
          LogTrace("MuonSimClassifier") <<"\t   has NO mother!";
        }
      } else { // Muon is in SIM Only
        TrackingParticleRef simMom = getTpMother(tp);
        if (simMom.isNonnull()) {
          simInfo[i].motherPdgId = simMom->pdgId();
          simInfo[i].motherVertex = simMom->vertex();
          dumpFormatedInfo(simInfo[i]);
          LogTrace("MuonSimClassifier") <<
        "\t   has SIM mother pdgId = " << simInfo[i].motherPdgId << 
        " produced at rho = " << simMom->vertex().Rho() << ", z = " << simMom->vertex().Z();
          
          if (!simMom->genParticles().empty()) {
        simInfo[i].motherStatus = simMom->genParticles()[0]->status();
        reco::GenParticleRef genGMom = (simMom->genParticles()[0]->numberOfMothers() > 0 ? 
                        simMom->genParticles()[0]->motherRef() : 
                        reco::GenParticleRef());
        if (genGMom.isNonnull()) simInfo[i].grandMotherPdgId = genGMom->pdgId();
        LogTrace("MuonSimClassifier") << 
          "\t\t SIM mother is in GEN (status " << simInfo[i].motherStatus << 
          "), grand-mom id = " << simInfo[i].grandMotherPdgId;
          } else {
        simInfo[i].motherStatus = -1;
        TrackingParticleRef simGMom = getTpMother(simMom);
        if (simGMom.isNonnull()) simInfo[i].grandMotherPdgId = simGMom->pdgId();
        LogTrace("MuonSimClassifier") << 
          "\t\t SIM mother is in SIM only, grand-mom id = " << simInfo[i].grandMotherPdgId;
          }
        } else {
          dumpFormatedInfo(simInfo[i]);
          LogTrace("MuonSimClassifier") <<"\t   has NO mother!";
        }
      }
      simInfo[i].motherFlavour = flavour(simInfo[i].motherPdgId);
      simInfo[i].grandMotherFlavour = flavour(simInfo[i].grandMotherPdgId);

      // Check first IF this is a muon at all
      if (std::abs(tp->pdgId()) != 13) {
        if (std::abs(tp->pdgId()) == 11) {
          simInfo[i].primaryClass  = isGhost ? reco::MuonSimType::GhostElectron : reco::MuonSimType::MatchedElectron;
          simInfo[i].extendedClass = isGhost ? reco::ExtendedMuonSimType::ExtGhostElectron : reco::ExtendedMuonSimType::ExtMatchedElectron;
          LogTrace("MuonSimClassifier") <<"\t This is electron/positron. classif[i] = " << simInfo[i].primaryClass;
        } else {
          simInfo[i].primaryClass  = isGhost ? reco::MuonSimType::GhostPunchthrough : reco::MuonSimType::MatchedPunchthrough;
          simInfo[i].extendedClass = isGhost ? reco::ExtendedMuonSimType::ExtGhostPunchthrough : reco::ExtendedMuonSimType::ExtMatchedPunchthrough;
          LogTrace("MuonSimClassifier") <<"\t This is not a muon. Sorry. classif[i] = " << simInfo[i].primaryClass;
        }
        continue;
      }

      // Is this SIM muon also a GEN muon, with a mother?
      if (!tp->genParticles().empty() && (simInfo[i].motherPdgId != 0)) {
        if (std::abs(simInfo[i].motherPdgId) < 100 && (std::abs(simInfo[i].motherPdgId) != 15)) {
          simInfo[i].primaryClass = isGhost ? 
        reco::MuonSimType::GhostPrimaryMuon : 
        reco::MuonSimType::MatchedPrimaryMuon;
          simInfo[i].flavour = 13;
          simInfo[i].extendedClass  = isGhost ?
        reco::ExtendedMuonSimType::GhostMuonFromGaugeOrHiggsBoson :
        reco::ExtendedMuonSimType::MatchedMuonFromGaugeOrHiggsBoson;
          LogTrace("MuonSimClassifier") <<"\t This seems PRIMARY MUON ! classif[i] = " << simInfo[i].primaryClass;
        } else if (simInfo[i].motherFlavour == 4 || simInfo[i].motherFlavour == 5 || simInfo[i].motherFlavour == 15) {
          simInfo[i].primaryClass = isGhost ? 
        reco::MuonSimType::GhostMuonFromHeavyFlavour : 
        reco::MuonSimType::MatchedMuonFromHeavyFlavour;
          simInfo[i].flavour    = simInfo[i].motherFlavour;
          if (simInfo[i].motherFlavour == 15)      
        simInfo[i].extendedClass = isGhost ? 
          reco::ExtendedMuonSimType::GhostMuonFromTau :
          reco::ExtendedMuonSimType::MatchedMuonFromTau;
          else if (simInfo[i].motherFlavour == 5)  
        simInfo[i].extendedClass = isGhost ? 
          reco::ExtendedMuonSimType::GhostMuonFromB :
          reco::ExtendedMuonSimType::MatchedMuonFromB;
          else if (simInfo[i].heaviestMotherFlavour == 5) 
        simInfo[i].extendedClass = isGhost ? 
          reco::ExtendedMuonSimType::GhostMuonFromBtoC :
          reco::ExtendedMuonSimType::MatchedMuonFromBtoC;
          else 
        simInfo[i].extendedClass = isGhost ? 
          reco::ExtendedMuonSimType::GhostMuonFromC :
          reco::ExtendedMuonSimType::MatchedMuonFromC;
          LogTrace("MuonSimClassifier") <<"\t This seems HEAVY FLAVOUR ! classif[i] = " << simInfo[i].primaryClass;
        } else {
          simInfo[i].primaryClass = isGhost ? 
        reco::MuonSimType::GhostMuonFromLightFlavour : 
        reco::MuonSimType::MatchedMuonFromLightFlavour;
          simInfo[i].flavour    = simInfo[i].motherFlavour;
          LogTrace("MuonSimClassifier") <<"\t This seems LIGHT FLAVOUR ! classif[i] = " << simInfo[i].primaryClass;
        }
      } else {
        simInfo[i].primaryClass = isGhost ? 
          reco::MuonSimType::GhostMuonFromLightFlavour : 
          reco::MuonSimType::MatchedMuonFromLightFlavour;
        simInfo[i].flavour    = simInfo[i].motherFlavour;
        LogTrace("MuonSimClassifier") <<"\t This seems LIGHT FLAVOUR ! classif[i] = " << simInfo[i].primaryClass;
      }
      
      // extended classification
      // don't we override previous decisions?
      if (simInfo[i].motherPdgId == 0)
        // if it has no mom, it's not a primary particle so it won't be in ppMuX 
        simInfo[i].extendedClass = isGhost ? 
          reco::ExtendedMuonSimType::GhostMuonFromNonPrimaryParticle : 
          reco::ExtendedMuonSimType::MatchedMuonFromNonPrimaryParticle; 
      else if (std::abs(simInfo[i].motherPdgId) < 100) {
        if (simInfo[i].motherFlavour == 15)
        simInfo[i].extendedClass = isGhost ? 
          reco::ExtendedMuonSimType::GhostMuonFromTau :
          reco::ExtendedMuonSimType::MatchedMuonFromTau;
        else
          simInfo[i].extendedClass  = isGhost ?
        reco::ExtendedMuonSimType::GhostMuonFromGaugeOrHiggsBoson :
        reco::ExtendedMuonSimType::MatchedMuonFromGaugeOrHiggsBoson;
      }
      else if (simInfo[i].motherFlavour == 5) 
        simInfo[i].extendedClass = isGhost ? 
          reco::ExtendedMuonSimType::GhostMuonFromB :
          reco::ExtendedMuonSimType::MatchedMuonFromB;
      else if (simInfo[i].motherFlavour == 4) 
        {
          if (simInfo[i].heaviestMotherFlavour == 5) 
        simInfo[i].extendedClass = isGhost ? 
          reco::ExtendedMuonSimType::GhostMuonFromBtoC :
          reco::ExtendedMuonSimType::MatchedMuonFromBtoC;
          else 
        simInfo[i].extendedClass = isGhost ? 
          reco::ExtendedMuonSimType::GhostMuonFromC :
          reco::ExtendedMuonSimType::MatchedMuonFromC;
        }
      else if (simInfo[i].motherStatus != -1) { // primary light particle
        int id = std::abs(simInfo[i].motherPdgId);
        if (id != /*pi+*/211 && id != /*K+*/321 && id != 130 /*K0L*/)  
          // other light particle, possibly short-lived
          simInfo[i].extendedClass = isGhost ? 
        reco::ExtendedMuonSimType::GhostMuonFromOtherLight :
        reco::ExtendedMuonSimType::MatchedMuonFromOtherLight;
        else if (simInfo[i].vertex.Rho() < decayRho_ && std::abs(simInfo[i].vertex.Z()) < decayAbsZ_) 
          // decay a la ppMuX (primary pi/K within a cylinder)
          simInfo[i].extendedClass = isGhost ? 
        reco::ExtendedMuonSimType::GhostMuonFromPiKppMuX :
        reco::ExtendedMuonSimType::MatchedMuonFromPiKppMuX;
        else                                                           
          // late decay that wouldn't be in ppMuX
          simInfo[i].extendedClass = isGhost ? 
        reco::ExtendedMuonSimType::GhostMuonFromPiKNotppMuX :
        reco::ExtendedMuonSimType::MatchedMuonFromPiKNotppMuX;
      } else 
        // decay of non-primary particle, would not be in ppMuX
        simInfo[i].extendedClass = isGhost ? 
        reco::ExtendedMuonSimType::GhostMuonFromNonPrimaryParticle :
        reco::ExtendedMuonSimType::MatchedMuonFromNonPrimaryParticle;

      if (linkToGenParticles_ && std::abs(simInfo[i].extendedClass) >= 2) {
        // Link to the genParticle if possible, but not decays in flight (in ppMuX they're in GEN block, but they have wrong parameters)
        if (!tp->genParticles().empty() && std::abs(simInfo[i].extendedClass) >= 5) {
          if (genParticles.id() != tp->genParticles().id()) {
        throw cms::Exception("Configuration") << "Product ID mismatch between the genParticle collection (" << 
          genParticles_ << ", id " << genParticles.id() << ") and the references in the TrackingParticles (id " << 
          tp->genParticles().id() << ")\n";
          }
          muToPrimary[i] = tp->genParticles()[0].key();
        } else {
          // Don't put the same trackingParticle twice!
          int &indexPlus1 = tpToSecondaries[tp]; // will create a 0 if the tp is not in the list already
          if (indexPlus1 == 0) indexPlus1 = convertAndPush(*tp, *secondaries, getTpMother(tp), genParticles) + 1;
          muToSecondary[i] = indexPlus1 - 1;
        }
      }
      LogTrace("MuonSimClassifier") <<"\t Extended classification code = " << simInfo[i].extendedClass;
    } else { // if (tp.isNonnull())
      simInfo[i].primaryClass  = reco::MuonSimType::NotMatched;
      simInfo[i].extendedClass = reco::ExtendedMuonSimType::ExtNotMatched;
    }
    } // end loop on reco muons 

    writeValueMap(iEvent, muons, simInfo,   "");

    if (linkToGenParticles_) {
        edm::OrphanHandle<reco::GenParticleCollection> secHandle = iEvent.put(std::move(secondaries), "secondaries");
        edm::RefProd<reco::GenParticleCollection> priRP(genParticles);
        edm::RefProd<reco::GenParticleCollection> secRP(secHandle);
        std::unique_ptr<edm::Association<reco::GenParticleCollection> > outPri(new edm::Association<reco::GenParticleCollection>(priRP));
        std::unique_ptr<edm::Association<reco::GenParticleCollection> > outSec(new edm::Association<reco::GenParticleCollection>(secRP));
        edm::Association<reco::GenParticleCollection>::Filler fillPri(*outPri), fillSec(*outSec);
        fillPri.insert(muons, muToPrimary.begin(),   muToPrimary.end());
        fillSec.insert(muons, muToSecondary.begin(), muToSecondary.end());
        fillPri.fill(); fillSec.fill();
        iEvent.put(std::move(outPri), "toPrimaries");
        iEvent.put(std::move(outSec), "toSecondaries");
    }

}

template<typename T >

void MuonSimClassifier::writeValueMap ( edm::Event &  iEvent, const edm::Handle< edm::View< reco::Muon > > &  handle, const std::vector< T > &  values, const std::string &  label  ) const

private

Write a ValueMap<int> in the event.

Definition at line 534 of file MuonSimClassifier.cc.

References edm::helper::Filler< Map >::fill(), objects.autophobj::filler, cmsBatch::handle, edm::helper::Filler< Map >::insert(), eostools::move(), and edm::Event::put().

Referenced by produce().

{
    using namespace edm;
    using namespace std;
    unique_ptr<ValueMap<T> > valMap(new ValueMap<T>());
    typename edm::ValueMap<T>::Filler filler(*valMap);
    filler.insert(handle, values.begin(), values.end());
    filler.fill();
    iEvent.put(std::move(valMap), label);
}

Member Data Documentation

edm::InputTag MuonSimClassifier::associatorLabel_

private

The Associations.

Definition at line 84 of file MuonSimClassifier.cc.

double MuonSimClassifier::decayAbsZ_

private

Definition at line 88 of file MuonSimClassifier.cc.

Referenced by produce().

double MuonSimClassifier::decayRho_

private

Cylinder to use to decide if a decay is early or late.

Definition at line 88 of file MuonSimClassifier.cc.

Referenced by produce().

edm::InputTag MuonSimClassifier::genParticles_

private

Definition at line 92 of file MuonSimClassifier.cc.

Referenced by convertAndPush(), MuonSimClassifier(), and produce().

edm::EDGetTokenT<reco::GenParticleCollection> MuonSimClassifier::genParticlesToken_

private

Definition at line 93 of file MuonSimClassifier.cc.

Referenced by MuonSimClassifier(), and produce().

bool MuonSimClassifier::linkToGenParticles_

private

Create a link to the generator level particles.

Definition at line 91 of file MuonSimClassifier.cc.

Referenced by MuonSimClassifier(), and produce().

edm::EDGetTokenT<reco::MuonToTrackingParticleAssociator> MuonSimClassifier::muAssocToken_

private

Definition at line 85 of file MuonSimClassifier.cc.

Referenced by produce().

edm::EDGetTokenT<edm::View<reco::Muon> > MuonSimClassifier::muonsToken_

private

The RECO objects.

Definition at line 75 of file MuonSimClassifier.cc.

Referenced by produce().

edm::EDGetTokenT<TrackingParticleCollection> MuonSimClassifier::trackingParticlesToken_

private

The TrackingParticle objects.

Definition at line 81 of file MuonSimClassifier.cc.

Referenced by produce().

reco::MuonTrackType MuonSimClassifier::trackType_

private

Track to use.

Definition at line 78 of file MuonSimClassifier.cc.

Referenced by MuonSimClassifier(), and produce().