#include <BasicGenParticleValidation.h>

Inheritance diagram for BasicGenParticleValidation:

Public Member Functions
void	analyze (const edm::Event &, const edm::EventSetup &) override

	BasicGenParticleValidation (const edm::ParameterSet &)

void	bookHistograms (DQMStore::IBooker &i, edm::Run const &, edm::EventSetup const &) override

bool	matchParticles (const HepMC::GenParticle &, const reco::GenParticle &)

	~BasicGenParticleValidation () override

Public Member Functions inherited from DQMEDAnalyzer
void	accumulate (edm::Event const &event, edm::EventSetup const &setup) final

virtual void	analyze (edm::Event const &, edm::EventSetup const &)

void	beginLuminosityBlock (edm::LuminosityBlock const &lumi, edm::EventSetup const &setup) final

void	beginRun (edm::Run const &run, edm::EventSetup const &setup) final

virtual void	dqmBeginLuminosityBlock (edm::LuminosityBlock const &, edm::EventSetup const &)

virtual void	dqmBeginRun (edm::Run const &, edm::EventSetup const &)

	DQMEDAnalyzer ()

virtual void	dqmEndLuminosityBlock (edm::LuminosityBlock const &, edm::EventSetup const &)

virtual void	dqmEndRun (edm::Run const &, edm::EventSetup const &)

void	endLuminosityBlock (edm::LuminosityBlock const &, edm::EventSetup const &) final

void	endLuminosityBlockProduce (edm::LuminosityBlock &lumi, edm::EventSetup const &setup) final

void	endRun (edm::Run const &, edm::EventSetup const &) final

void	endRunProduce (edm::Run &run, edm::EventSetup const &setup) final

virtual bool	getCanSaveByLumi ()

Public Member Functions inherited from edm::one::EDProducer< edm::EndRunProducer, edm::one::WatchRuns, edm::EndLuminosityBlockProducer, edm::one::WatchLuminosityBlocks, edm::Accumulator >
	EDProducer ()=default

SerialTaskQueue *	globalLuminosityBlocksQueue () final

SerialTaskQueue *	globalRunsQueue () final

bool	hasAbilityToProduceInBeginLumis () const final

bool	hasAbilityToProduceInBeginRuns () const final

bool	hasAbilityToProduceInEndLumis () const final

bool	hasAbilityToProduceInEndRuns () const final

bool	wantsGlobalLuminosityBlocks () const final

bool	wantsGlobalRuns () const final

Public Member Functions inherited from edm::one::EDProducerBase
	EDProducerBase ()

ModuleDescription const &	moduleDescription () const

bool	wantsStreamLuminosityBlocks () const

bool	wantsStreamRuns () const

	~EDProducerBase () override

Public Member Functions inherited from edm::ProducerBase
void	callWhenNewProductsRegistered (std::function< void(BranchDescription const &)> const &func)

std::vector< edm::ProductResolverIndex > const &	indiciesForPutProducts (BranchType iBranchType) const

	ProducerBase ()

std::vector< edm::ProductResolverIndex > const &	putTokenIndexToProductResolverIndex () const

void	registerProducts (ProducerBase , ProductRegistry , ModuleDescription const &)

std::function< void(BranchDescription const &)>	registrationCallback () const
	used by the fwk to register list of products More...

void	resolvePutIndicies (BranchType iBranchType, ModuleToResolverIndicies const &iIndicies, std::string const &moduleLabel)

	~ProducerBase () noexcept(false) override

Public Member Functions inherited from edm::EDConsumerBase
std::vector< ConsumesInfo >	consumesInfo () const

void	convertCurrentProcessAlias (std::string const &processName)
	Convert "@currentProcess" in InputTag process names to the actual current process name. More...

	EDConsumerBase ()

	EDConsumerBase (EDConsumerBase const &)=delete

	EDConsumerBase (EDConsumerBase &&)=default

ESProxyIndex const *	esGetTokenIndices (edm::Transition iTrans) const

ProductResolverIndexAndSkipBit	indexFrom (EDGetToken, BranchType, TypeID const &) const

void	itemsMayGet (BranchType, std::vector< ProductResolverIndexAndSkipBit > &) const

void	itemsToGet (BranchType, std::vector< ProductResolverIndexAndSkipBit > &) const

std::vector< ProductResolverIndexAndSkipBit > const &	itemsToGetFrom (BranchType iType) const

void	labelsForToken (EDGetToken iToken, Labels &oLabels) const

void	modulesWhoseProductsAreConsumed (std::vector< ModuleDescription const * > &modules, ProductRegistry const &preg, std::map< std::string, ModuleDescription const * > const &labelsToDesc, std::string const &processName) const

EDConsumerBase const &	operator= (EDConsumerBase const &)=delete

EDConsumerBase &	operator= (EDConsumerBase &&)=default

bool	registeredToConsume (ProductResolverIndex, bool, BranchType) const

bool	registeredToConsumeMany (TypeID const &, BranchType) const

ProductResolverIndexAndSkipBit	uncheckedIndexFrom (EDGetToken) const

void	updateLookup (BranchType iBranchType, ProductResolverIndexHelper const &, bool iPrefetchMayGet)

void	updateLookup (eventsetup::ESRecordsToProxyIndices const &)

virtual	~EDConsumerBase () noexcept(false)

Private Attributes
MonitorElement *	genJetCentral

edm::InputTag	genjetCollection_

edm::EDGetTokenT< reco::GenJetCollection >	genjetCollectionToken_

MonitorElement *	genJetDeltaEtaMin

MonitorElement *	genJetEnergy

MonitorElement *	genJetEta

MonitorElement *	genJetMult

MonitorElement *	genJetPhi

MonitorElement *	genJetPt

MonitorElement *	genJetPto1

MonitorElement *	genJetPto10

MonitorElement *	genJetPto100

MonitorElement *	genJetTotPt

MonitorElement *	genMatched

edm::InputTag	genparticleCollection_

edm::EDGetTokenT< reco::GenParticleCollection >	genparticleCollectionToken_

MonitorElement *	genPMultiplicity

edm::InputTag	hepmcCollection_

edm::EDGetTokenT< edm::HepMCProduct >	hepmcCollectionToken_

MonitorElement *	matchedResolution

double	matchPr_

MonitorElement *	multipleMatching

MonitorElement *	nEvt

unsigned int	verbosity_

WeightManager	wmanager_

Additional Inherited Members
Public Types inherited from DQMEDAnalyzer
typedef dqm::reco::DQMStore	DQMStore

typedef dqm::reco::MonitorElement	MonitorElement

Public Types inherited from edm::one::EDProducerBase
typedef EDProducerBase	ModuleType

Public Types inherited from edm::ProducerBase
using	ModuleToResolverIndicies = std::unordered_multimap< std::string, std::tuple< edm::TypeID const , const char , edm::ProductResolverIndex >>

typedef ProductRegistryHelper::TypeLabelList	TypeLabelList

Public Types inherited from edm::EDConsumerBase
typedef ProductLabels	Labels

Static Public Member Functions inherited from edm::one::EDProducerBase
static const std::string &	baseType ()

static void	fillDescriptions (ConfigurationDescriptions &descriptions)

static void	prevalidate (ConfigurationDescriptions &descriptions)

Protected Member Functions inherited from edm::ProducerBase
ProducesCollector	producesCollector ()

Protected Member Functions inherited from edm::EDConsumerBase
template<typename ProductType , BranchType B = InEvent>
EDGetTokenT< ProductType >	consumes (edm::InputTag const &tag)

EDGetToken	consumes (const TypeToGet &id, edm::InputTag const &tag)

template<BranchType B>
EDGetToken	consumes (TypeToGet const &id, edm::InputTag const &tag)

ConsumesCollector	consumesCollector ()
	Use a ConsumesCollector to gather consumes information from helper functions. More...

template<typename ProductType , BranchType B = InEvent>
void	consumesMany ()

void	consumesMany (const TypeToGet &id)

template<BranchType B>
void	consumesMany (const TypeToGet &id)

template<typename ESProduct , typename ESRecord , Transition Tr = Transition::Event>
auto	esConsumes ()

template<typename ESProduct , typename ESRecord , Transition Tr = Transition::Event>
auto	esConsumes (ESInputTag const &tag)

template<typename ProductType , BranchType B = InEvent>
EDGetTokenT< ProductType >	mayConsume (edm::InputTag const &tag)

EDGetToken	mayConsume (const TypeToGet &id, edm::InputTag const &tag)

template<BranchType B>
EDGetToken	mayConsume (const TypeToGet &id, edm::InputTag const &tag)

Protected Attributes inherited from DQMEDAnalyzer
edm::EDPutTokenT< DQMToken >	lumiToken_

edm::EDPutTokenT< DQMToken >	runToken_

Detailed Description

Definition at line 36 of file BasicGenParticleValidation.h.

Constructor & Destructor Documentation

BasicGenParticleValidation::BasicGenParticleValidation ( const edm::ParameterSet & iPSet )

explicit

Definition at line 15 of file BasicGenParticleValidation.cc.

References genjetCollection_, genjetCollectionToken_, genparticleCollection_, genparticleCollectionToken_, hepmcCollection_, and hepmcCollectionToken_.

     : wmanager_(iPSet, consumesCollector()),
       hepmcCollection_(iPSet.getParameter<edm::InputTag>("hepmcCollection")),
       genparticleCollection_(iPSet.getParameter<edm::InputTag>("genparticleCollection")),
       genjetCollection_(iPSet.getParameter<edm::InputTag>("genjetsCollection")),
       matchPr_(iPSet.getParameter<double>("matchingPrecision")),
       verbosity_(iPSet.getUntrackedParameter<unsigned int>("verbosity", 0)) {
   hepmcCollectionToken_ = consumes<HepMCProduct>(hepmcCollection_);
   genparticleCollectionToken_ = consumes<reco::GenParticleCollection>(genparticleCollection_);
   genjetCollectionToken_ = consumes<reco::GenJetCollection>(genjetCollection_);
 }

BasicGenParticleValidation::~BasicGenParticleValidation ( )

override

Definition at line 27 of file BasicGenParticleValidation.cc.

27 {}

Member Function Documentation

void BasicGenParticleValidation::analyze	(	const edm::Event &	iEvent,
		const edm::EventSetup &	iSetup
	)

override

Gathering the HepMCProduct information

Definition at line 97 of file BasicGenParticleValidation.cc.

References gather_cfg::cout, spr::deltaEta, PVValHelper::eta, dqm::impl::MonitorElement::Fill(), alignBH_cfg::fixed, genJetCentral, genjetCollectionToken_, genJetDeltaEtaMin, genJetEnergy, genJetEta, genJetMult, genJetPhi, genJetPt, genJetPto1, genJetPto10, genJetPto100, ttbarCategorization_cff::genJets, genJetTotPt, genMatched, genparticleCollectionToken_, genParticles2HepMC_cfi::genParticles, genPMultiplicity, edm::Event::getByToken(), edm::HepMCProduct::GetEvent(), hepmcCollectionToken_, mps_fire::i, dqmiolumiharvest::j, reco::btau::jetEta, matchedResolution, matchParticles(), min(), multipleMatching, nEvt, ecalTrigSettings_cff::particles, DiDispStaMuonMonitor_cfi::pt, rho, verbosity_, WeightManager::weight(), mps_merge::weight, and wmanager_.

                                                                                             {
   unsigned int initSize = 1000;
 
   edm::Handle<HepMCProduct> evt;
   iEvent.getByToken(hepmcCollectionToken_, evt);
 
   //Get HepMC EVENT
   HepMC::GenEvent* myGenEvent = new HepMC::GenEvent(*(evt->GetEvent()));
 
   double weight = wmanager_.weight(iEvent);
 
   nEvt->Fill(0.5, weight);
 
   std::vector<const HepMC::GenParticle*> hepmcGPCollection;
   std::vector<int> barcodeList;
   hepmcGPCollection.reserve(initSize);
   barcodeList.reserve(initSize);
 
   //Looping through HepMC::GenParticle collection to search for status 1 particles
   for (HepMC::GenEvent::particle_const_iterator iter = myGenEvent->particles_begin();
        iter != myGenEvent->particles_end();
        ++iter) {
     if ((*iter)->status() == 1) {
       hepmcGPCollection.push_back(*iter);
       barcodeList.push_back((*iter)->barcode());
       if (verbosity_ > 0) {
         std::cout << "HepMC " << std::setw(14) << std::fixed << (*iter)->pdg_id() << std::setw(14) << std::fixed
                   << (*iter)->momentum().px() << std::setw(14) << std::fixed << (*iter)->momentum().py()
                   << std::setw(14) << std::fixed << (*iter)->momentum().pz() << std::endl;
       }
     }
   }
 
   // Gather information on the reco::GenParticle collection
   edm::Handle<reco::GenParticleCollection> genParticles;
   iEvent.getByToken(genparticleCollectionToken_, genParticles);
 
   std::vector<const reco::GenParticle*> particles;
   particles.reserve(initSize);
   for (reco::GenParticleCollection::const_iterator iter = genParticles->begin(); iter != genParticles->end(); ++iter) {
     if ((*iter).status() == 1) {
       particles.push_back(&*iter);
       if (verbosity_ > 0) {
         std::cout << "reco  " << std::setw(14) << std::fixed << (*iter).pdgId() << std::setw(14) << std::fixed
                   << (*iter).px() << std::setw(14) << std::fixed << (*iter).py() << std::setw(14) << std::fixed
                   << (*iter).pz() << std::endl;
       }
     }
   }
 
   unsigned int nReco = particles.size();
   unsigned int nHepMC = hepmcGPCollection.size();
 
   genPMultiplicity->Fill(std::log10(nReco), weight);
 
   // Define vector containing index of hepmc corresponding to the reco::GenParticle
   std::vector<int> hepmcMatchIndex;
   hepmcMatchIndex.reserve(initSize);
 
   // Matching procedure
 
   // Check array size consistency
 
   if (nReco != nHepMC) {
     edm::LogWarning("CollectionSizeInconsistency")
         << "Collection size inconsistency: HepMC::GenParticle = " << nHepMC << " reco::GenParticle = " << nReco;
   }
 
   // Match each HepMC with a reco
 
   for (unsigned int i = 0; i < nReco; ++i) {
     for (unsigned int j = 0; j < nHepMC; ++j) {
       if (matchParticles(hepmcGPCollection[j], particles[i])) {
         hepmcMatchIndex.push_back((int)j);
         if (hepmcGPCollection[j]->momentum().rho() != 0.) {
           double reso = 1. - particles[i]->p() / hepmcGPCollection[j]->momentum().rho();
           if (verbosity_ > 0) {
             std::cout << "Matching momentum: reco = " << particles[i]->p()
                       << " HepMC = " << hepmcGPCollection[j]->momentum().rho() << " resoultion = " << reso << std::endl;
           }
           matchedResolution->Fill(std::log10(std::fabs(reso)), weight);
         }
         continue;
       }
     }
   }
 
   // Check unicity of matching
 
   unsigned int nMatched = hepmcMatchIndex.size();
 
   if (nMatched != nReco) {
     edm::LogWarning("IncorrectMatching") << "Incorrect number of matched indexes: GenParticle = " << nReco
                                          << " matched indexes = " << nMatched;
   }
   genMatched->Fill(int(nReco - nMatched), weight);
 
   unsigned int nWrMatch = 0;
 
   for (unsigned int i = 0; i < nMatched; ++i) {
     for (unsigned int j = i + 1; j < nMatched; ++j) {
       if (hepmcMatchIndex[i] == hepmcMatchIndex[j]) {
         int theIndex = hepmcMatchIndex[i];
         edm::LogWarning("DuplicatedMatching")
             << "Multiple matching occurencies for GenParticle barcode = " << barcodeList[theIndex];
         nWrMatch++;
       }
     }
   }
   multipleMatching->Fill(int(nWrMatch), weight);
 
   // Gather information in the GenJet collection
   edm::Handle<reco::GenJetCollection> genJets;
   iEvent.getByToken(genjetCollectionToken_, genJets);
 
   int nJets = 0;
   int nJetso1 = 0;
   int nJetso10 = 0;
   int nJetso100 = 0;
   int nJetsCentral = 0;
   double totPt = 0.;
 
   std::vector<double> jetEta;
   jetEta.reserve(initSize);
 
   for (reco::GenJetCollection::const_iterator iter = genJets->begin(); iter != genJets->end(); ++iter) {
     nJets++;
     double pt = (*iter).pt();
     totPt += pt;
     if (pt > 1.)
       nJetso1++;
     if (pt > 10.)
       nJetso10++;
     if (pt > 100.)
       nJetso100++;
     double eta = (*iter).eta();
     if (std::fabs(eta) < 2.5)
       nJetsCentral++;
     jetEta.push_back(eta);
 
     genJetEnergy->Fill(std::log10((*iter).energy()), weight);
     genJetPt->Fill(std::log10(pt), weight);
     genJetEta->Fill(eta, weight);
     genJetPhi->Fill((*iter).phi() / CLHEP::degree, weight);
   }
 
   genJetMult->Fill(nJets, weight);
   genJetPto1->Fill(nJetso1, weight);
   genJetPto10->Fill(nJetso10, weight);
   genJetPto100->Fill(nJetso100, weight);
   genJetCentral->Fill(nJetsCentral, weight);
 
   genJetTotPt->Fill(std::log10(totPt), weight);
 
   double deltaEta = 999.;
   if (jetEta.size() > 1) {
     for (unsigned int i = 0; i < jetEta.size(); i++) {
       for (unsigned int j = i + 1; j < jetEta.size(); j++) {
         deltaEta = std::min(deltaEta, std::fabs(jetEta[i] - jetEta[j]));
       }
     }
   }
 
   genJetDeltaEtaMin->Fill(deltaEta, weight);
 
   delete myGenEvent;
 }  //analyze

void BasicGenParticleValidation::bookHistograms	(	DQMStore::IBooker &	i,
		edm::Run const &	,
		edm::EventSetup const &
	)

overridevirtual

Setting the DQM top directories

Booking the ME's

multiplicity

Implements DQMEDAnalyzer.

Definition at line 29 of file BasicGenParticleValidation.cc.

References DQMHelper::book1dHisto(), genJetCentral, genJetDeltaEtaMin, genJetEnergy, genJetEta, genJetMult, genJetPhi, genJetPt, genJetPto1, genJetPto10, genJetPto100, genJetTotPt, genMatched, genPMultiplicity, matchedResolution, multipleMatching, nEvt, and dqm::dqmstoreimpl::DQMStore::IBooker::setCurrentFolder().

                                                                                                        {
   DQMHelper dqm(&i);
   i.setCurrentFolder("Generator/GenParticles");
 
   // Number of analyzed events
   nEvt = dqm.book1dHisto("nEvt", "n analyzed Events", 1, 0., 1., "", "Number of Events");
 
   genPMultiplicity = dqm.book1dHisto("genPMultiplicty",
                                      "Log(No. all GenParticles)",
                                      50,
                                      -1,
                                      5,
                                      "log_{10}(N_{All GenParticles})",
                                      "Number of Events");  //Log
   //difference in HepMC and reco multiplicity
   genMatched = dqm.book1dHisto(
       "genMatched", "Difference reco - matched", 50, -25, 25, "N_{All GenParticles}-N_{Matched}", "Number of Events");
   //multiple matching
   multipleMatching = dqm.book1dHisto("multipleMatching",
                                      "multiple reco HepMC matching",
                                      50,
                                      0,
                                      50,
                                      "N_{multiple reco HepMC matching}",
                                      "Number of Events");
   //momentum difference of matched particles
   matchedResolution = dqm.book1dHisto("matchedResolution",
                                       "log10(momentum difference of matched particles)",
                                       70,
                                       -10.,
                                       -3.,
                                       "log_{10}(#DeltaP_{matched Particles})",
                                       "Number of Events");
 
   // GenJet general distributions
   genJetMult = dqm.book1dHisto("genJetMult", "GenJet multiplicity", 50, 0, 50, "N_{gen-jets}", "Number of Events");
   genJetEnergy = dqm.book1dHisto(
       "genJetEnergy", "Log10(GenJet energy)", 60, -1, 5, "log_{10}(E^{gen-jets}) (log_{10}(GeV))", "Number of Events");
   genJetPt = dqm.book1dHisto(
       "genJetPt", "Log10(GenJet pt)", 60, -1, 5, "log_{10}(P_{t}^{gen-jets}) (log_{10}(GeV))", "Number of Events");
   genJetEta = dqm.book1dHisto("genJetEta", "GenJet eta", 220, -11, 11, "#eta^{gen-jets}", "Number of Events");
   genJetPhi = dqm.book1dHisto("genJetPhi", "GenJet phi", 360, -180, 180, "#phi^{gen-jets} (rad)", "Number of Events");
   genJetDeltaEtaMin = dqm.book1dHisto(
       "genJetDeltaEtaMin", "GenJet minimum rapidity gap", 30, 0, 30, "#delta#eta_{min}^{gen-jets}", "Number of Events");
 
   genJetPto1 = dqm.book1dHisto(
       "genJetPto1", "GenJet multiplicity above 1 GeV", 50, 0, 50, "N_{gen-jets P_{t}>1GeV}", "Number of Events");
   genJetPto10 = dqm.book1dHisto(
       "genJetPto10", "GenJet multiplicity above 10 GeV", 50, 0, 50, "N_{gen-jets P_{t}>10GeV}", "Number of Events");
   genJetPto100 = dqm.book1dHisto(
       "genJetPto100", "GenJet multiplicity above 100 GeV", 50, 0, 50, "N_{gen-jets P_{t}>100GeV}", "Number of Events");
   genJetCentral = dqm.book1dHisto(
       "genJetCentral", "GenJet multiplicity |eta|.lt.2.5", 50, 0, 50, "N_{gen-jets |#eta|#leq2.5}", "Number of Events");
 
   genJetTotPt = dqm.book1dHisto("genJetTotPt",
                                 "Log10(GenJet total pt)",
                                 100,
                                 -5,
                                 5,
                                 "log_{10}(#SigmaP_{t}^{gen-jets}) (log_{10}(GeV))",
                                 "Number of Events");
 
   return;
 }

bool BasicGenParticleValidation::matchParticles	(	const HepMC::GenParticle *&	hepmcP,
		const reco::GenParticle *&	recoP
	)

Definition at line 266 of file BasicGenParticleValidation.cc.

References matchPr_, reco::LeafCandidate::pdgId(), reco::LeafCandidate::px(), reco::LeafCandidate::py(), and reco::LeafCandidate::pz().

Referenced by analyze().

                                                                                                               {
   bool state = false;
 
   if (hepmcP->pdg_id() != recoP->pdgId())
     return state;
   if (std::fabs(hepmcP->momentum().px() - recoP->px()) < std::fabs(matchPr_ * hepmcP->momentum().px()) &&
       std::fabs(hepmcP->momentum().py() - recoP->py()) < std::fabs(matchPr_ * hepmcP->momentum().py()) &&
       std::fabs(hepmcP->momentum().pz() - recoP->pz()) < std::fabs(matchPr_ * hepmcP->momentum().pz())) {
     state = true;
   }
 
   return state;
 }