Inheritance diagram for GenParticleProducer:

Public Member Functions
bool	convertParticle (reco::GenParticle &cand, const HepMC::GenParticle *part, const IDto3Charge &id2Charge) const

bool	fillDaughters (reco::GenParticleCollection &cand, const HepMC::GenParticle *part, reco::GenParticleRefProd const &ref, size_t index, std::unordered_map< int, size_t > &barcodes) const

bool	fillIndices (const HepMC::GenEvent mc, std::vector< const HepMC::GenParticle > &particles, std::vector< int > &barCodeVector, int offset, std::unordered_map< int, size_t > &barcodes) const

	GenParticleProducer (const edm::ParameterSet &)
	constructor More...

std::shared_ptr< IDto3Charge >	globalBeginRun (const edm::Run &, const edm::EventSetup &) const override

void	globalEndRun (edm::Run const &, edm::EventSetup const &) const override

void	produce (edm::StreamID, edm::Event &e, const edm::EventSetup &) const override
	process one event More...

	~GenParticleProducer () override
	destructor More...

Public Member Functions inherited from edm::global::EDProducer< edm::RunCache< IDto3Charge > >
	EDProducer ()=default

bool	hasAbilityToProduceInLumis () const final

bool	hasAbilityToProduceInRuns () const final

bool	wantsGlobalLuminosityBlocks () const final

bool	wantsGlobalRuns () const final

bool	wantsStreamLuminosityBlocks () const final

bool	wantsStreamRuns () const final

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

ModuleDescription const &	moduleDescription () 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

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)

virtual	~EDConsumerBase () noexcept(false)

Private Attributes
bool	abortOnUnknownPDGCode_
	unknown code treatment flag More...

bool	doSubEvent_
	input & output modes More...

MCTruthHelper< HepMC::GenParticle >	mcTruthHelper_

MCTruthHelper< reco::GenParticle >	mcTruthHelperGenParts_

edm::EDGetTokenT< CrossingFrame< edm::HepMCProduct > >	mixToken_

bool	saveBarCodes_
	save bar-codes More...

edm::EDGetTokenT< edm::HepMCProduct >	srcToken_
	source collection name More...

bool	useCF_

std::vector< edm::EDGetTokenT< edm::HepMCProduct > >	vectorSrcTokens_

Additional Inherited Members
Public Types inherited from edm::global::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::global::EDProducerBase
static const std::string &	baseType ()

static void	fillDescriptions (ConfigurationDescriptions &descriptions)

static void	prevalidate (ConfigurationDescriptions &descriptions)

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 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)

Detailed Description

Definition at line 79 of file GenParticleProducer.cc.

Constructor & Destructor Documentation

GenParticleProducer::GenParticleProducer ( const edm::ParameterSet & cfg )

constructor

Definition at line 138 of file GenParticleProducer.cc.

References met_cff::alias, edm::ParameterSet::getParameter(), mixToken_, saveBarCodes_, srcToken_, AlCaHLTBitMon_QueryRunRegistry::string, and useCF_.

                                                                    :
   abortOnUnknownPDGCode_( cfg.getUntrackedParameter<bool>( "abortOnUnknownPDGCode", true ) ),
   saveBarCodes_( cfg.getUntrackedParameter<bool>( "saveBarCodes", false ) ),
   doSubEvent_(cfg.getUntrackedParameter<bool>( "doSubEvent", false )),
   useCF_(cfg.getUntrackedParameter<bool>( "useCrossingFrame", false ))
 {
   produces<GenParticleCollection>();
   produces<math::XYZPointF>("xyz0");
   produces<float>("t0");
   if( saveBarCodes_ ) {
     std::string alias( cfg.getParameter<std::string>( "@module_label" ) );
     produces<vector<int> >().setBranchAlias( alias + "BarCodes" );
   }
 
   if(useCF_) mixToken_ = mayConsume<CrossingFrame<HepMCProduct> >(InputTag(cfg.getParameter<std::string>( "mix" ),"generatorSmeared"));
   else srcToken_ = mayConsume<HepMCProduct>(cfg.getParameter<InputTag>( "src" ));
 }

GenParticleProducer::~GenParticleProducer ( )

override

destructor

Definition at line 156 of file GenParticleProducer.cc.

156 {

157 }

Member Function Documentation

bool GenParticleProducer::convertParticle	(	reco::GenParticle &	cand,
		const HepMC::GenParticle *	part,
		const IDto3Charge &	id2Charge
	)		const

Definition at line 297 of file GenParticleProducer.cc.

References MCTruthHelper< P >::fillGenStatusFlags(), mcTruthHelper_, mmToCm, p4, common_cff::pdgId, reco::GenParticle::setCollisionId(), reco::LeafCandidate::setP4(), reco::LeafCandidate::setPdgId(), reco::LeafCandidate::setStatus(), reco::LeafCandidate::setThreeCharge(), reco::LeafCandidate::setVertex(), reco::GenParticle::statusFlags(), findQualityFiles::v, and badGlobalMuonTaggersAOD_cff::vtx.

Referenced by produce().

                                                                                                                                   {
    Candidate::LorentzVector p4( part->momentum() );
    int pdgId = part->pdg_id();
    cand.setThreeCharge( id2Charge.chargeTimesThree( pdgId ) );
    cand.setPdgId( pdgId );
    cand.setStatus( part->status() );
    cand.setP4( p4 );
    cand.setCollisionId(0);
    const GenVertex * v = part->production_vertex();
    if ( v != nullptr ) {
       ThreeVector vtx = v->point3d();
       Candidate::Point vertex( vtx.x() * mmToCm, vtx.y() * mmToCm, vtx.z() * mmToCm );
       cand.setVertex( vertex );
    } else {
       cand.setVertex( Candidate::Point( 0, 0, 0 ) );
    }
    mcTruthHelper_.fillGenStatusFlags(*part, cand.statusFlags());
    return true;
 }

bool GenParticleProducer::fillDaughters	(	reco::GenParticleCollection &	cand,
		const HepMC::GenParticle *	part,
		reco::GenParticleRefProd const &	ref,
		size_t	index,
		std::unordered_map< int, size_t > &	barcodes
	)		const

Definition at line 317 of file GenParticleProducer.cc.

References GenParticle::GenParticle, funct::m, and edm::second().

Referenced by produce().

                                                                                                                                                                                                        {
 
    const GenVertex * productionVertex = part->production_vertex();
    size_t numberOfMothers = productionVertex->particles_in_size();
    if ( numberOfMothers > 0 ) {
       GenVertex::particles_in_const_iterator motherIt = productionVertex->particles_in_const_begin();
       for( ; motherIt != productionVertex->particles_in_const_end(); motherIt++) {
      const HepMC::GenParticle * mother = * motherIt;
      size_t m = barcodes.find( mother->barcode() )->second;
      cands[ m ].addDaughter( GenParticleRef( ref, index ) );
      cands[ index ].addMother( GenParticleRef( ref, m ) );
       }
    }
 
    return true;
 }

bool GenParticleProducer::fillIndices	(	const HepMC::GenEvent *	mc,
		std::vector< const HepMC::GenParticle * > &	particles,
		std::vector< int > &	barCodeVector,
		int	offset,
		std::unordered_map< int, size_t > &	barcodes
	)		const

Definition at line 334 of file GenParticleProducer.cc.

References begin, DEFINE_FWK_MODULE, end, GenParticle::GenParticle, training_settings::idx, PFRecoTauDiscriminationByIsolation_cfi::offset, and AlCaHLTBitMon_ParallelJobs::p.

Referenced by produce().

                                                                                                                                                                                                  {
    size_t idx = offset;
    HepMC::GenEvent::particle_const_iterator begin = mc->particles_begin(), end = mc->particles_end();
    for( HepMC::GenEvent::particle_const_iterator p = begin; p != end; ++ p ) {
       const HepMC::GenParticle * particle = * p;
       size_t barCode_this_event = particle->barcode();
       size_t barCode = barCode_this_event + offset;
       if( barcodes.find(barCode) != barcodes.end() )
      throw cms::Exception( "WrongReference" )
         << "barcodes are duplicated! " << endl;
       particles[idx] = particle;
       barCodeVector[idx] = barCode;
       barcodes.insert( make_pair(barCode_this_event, idx ++) );
    }
       return true;
 }

std::shared_ptr< IDto3Charge > GenParticleProducer::globalBeginRun	(	const edm::Run &	,
		const edm::EventSetup &	es
	)		const

override

Definition at line 159 of file GenParticleProducer.cc.

References abortOnUnknownPDGCode_, and edm::EventSetup::getData().

                                                                                                     {
   ESHandle<HepPDT::ParticleDataTable> pdt;
   es.getData( pdt );
   return std::make_shared<IDto3Charge>(*pdt, abortOnUnknownPDGCode_);
 }

void GenParticleProducer::globalEndRun	(	edm::Run const &	,
		edm::EventSetup const &
	)		const

inlineoverride

Definition at line 89 of file GenParticleProducer.cc.

References GenParticle::GenParticle, CaloTowersParam_cfi::mc, PFRecoTauDiscriminationByIsolation_cfi::offset, and HadronAndPartonSelector_cfi::particles.

89 {};

void GenParticleProducer::produce	(	edm::StreamID	,
		edm::Event &	e,
		const edm::EventSetup &	es
	)		const

override

process one event

fill indices

Definition at line 165 of file GenParticleProducer.cc.

References egammaForCoreTracking_cff::cands, convertParticle(), edmIntegrityCheck::d, doSubEvent_, Exception, f, fillDaughters(), fillIndices(), GenParticle::GenParticle, edm::Event::getByToken(), edm::HepMCProduct::GetEvent(), MixCollection< T >::getObject(), edm::Event::getRefBeforePut(), edm::Event::getRun(), mps_fire::i, edm::RefProd< C >::id(), edm::Run::index(), edm::errors::InvalidReference, LogDebug, CaloTowersParam_cfi::mc, mixToken_, mmToCm, mmToNs, eostools::move(), PFRecoTauDiscriminationByIsolation_cfi::offset, HadronAndPartonSelector_cfi::particles, position, edm::Handle< T >::product(), edm::Event::put(), reco::CompositeRefCandidateT< D >::resetDaughters(), saveBarCodes_, MixCollection< T >::size(), findQualityFiles::size, srcToken_, and useCF_.

                                                                                     {
 
    std::unordered_map<int, size_t> barcodes;
 
    size_t totalSize = 0;
    const GenEvent * mc = nullptr;
    MixCollection<HepMCProduct>* cfhepmcprod = nullptr;
    size_t npiles = 1;
 
    if(useCF_){
       Handle<CrossingFrame<HepMCProduct> > cf;
       evt.getByToken(mixToken_,cf);
       cfhepmcprod = new MixCollection<HepMCProduct>(cf.product());
       npiles = cfhepmcprod->size();
       LogDebug("GenParticleProducer")<<"npiles : "<<npiles<<endl;
       for(unsigned int icf = 0; icf < npiles; ++icf){
      LogDebug("GenParticleProducer")<<"subSize : "<<cfhepmcprod->getObject(icf).GetEvent()->particles_size()<<endl;
      totalSize += cfhepmcprod->getObject(icf).GetEvent()->particles_size();
       }
       LogDebug("GenParticleProducer")<<"totalSize : "<<totalSize<<endl;
    }else{
       Handle<HepMCProduct> mcp;
       evt.getByToken( srcToken_, mcp );
       mc = mcp->GetEvent();
       if( mc == nullptr )
      throw edm::Exception( edm::errors::InvalidReference )
         << "HepMC has null pointer to GenEvent" << endl;
       totalSize  = mc->particles_size();
    }
 
    // initialise containers
    const size_t size = totalSize;
   vector<const HepMC::GenParticle *> particles( size );
   auto candsPtr = std::make_unique<GenParticleCollection>(size);
   auto barCodeVector = std::make_unique<vector<int>>(size);
   std::unique_ptr<math::XYZPointF> xyz0Ptr(new math::XYZPointF(0.,0.,0.));
   std::unique_ptr<float> t0Ptr(new float(0.f));
   reco::GenParticleRefProd ref = evt.getRefBeforePut<GenParticleCollection>();
   GenParticleCollection & cands = * candsPtr;
   size_t offset = 0;
   size_t suboffset = 0;
 
   IDto3Charge const& id2Charge = *runCache(evt.getRun().index());
   if(doSubEvent_ || useCF_){
      for(size_t ipile = 0; ipile < npiles; ++ipile){
     LogDebug("GenParticleProducer")<<"mixed object ipile : "<<ipile<<endl;
     barcodes.clear();
     if(useCF_) mc = cfhepmcprod->getObject(ipile).GetEvent();
 
     //Look whether heavy ion/signal event
     bool isHI = false;
     const HepMC::HeavyIon * hi = mc->heavy_ion();
     if(hi && hi->Ncoll_hard() > 1) isHI = true;
     size_t num_particles = mc->particles_size();
     LogDebug("GenParticleProducer")<<"num_particles : "<<num_particles<<endl;
         if (ipile == 0) {
             auto origin = (*mc->vertices_begin())->position();
             xyz0Ptr->SetXYZ(origin.x() * mmToCm, origin.y() * mmToCm, origin.z() * mmToCm);
             *t0Ptr = origin.t() * mmToNs;
         }
     fillIndices(mc, particles, *barCodeVector, offset,barcodes);
     // fill output collection and save association
     for( size_t ipar = offset; ipar < offset + num_particles; ++ ipar ) {
        const HepMC::GenParticle * part = particles[ ipar ];
        reco::GenParticle & cand = cands[ ipar ];
        // convert HepMC::GenParticle to new reco::GenParticle
        convertParticle(cand, part,id2Charge);
        cand.resetDaughters( ref.id() );
     }
 
     for( size_t d = offset; d < offset + num_particles; ++ d ) {
        const HepMC::GenParticle * part = particles[ d ];
        const GenVertex * productionVertex = part->production_vertex();
        int sub_id = 0;
        if ( productionVertex != nullptr ) {
           sub_id = productionVertex->id();
           if(!isHI) sub_id = 0;
           // search barcode map and attach daughters
           fillDaughters(cands,part,ref,d,barcodes);
        }else{
           const GenVertex * endVertex = part->end_vertex();
           if(endVertex != nullptr) sub_id = endVertex->id();
           else throw cms::Exception( "SubEventID" )<<"SubEvent not determined. Particle has no production and no end vertex!"<<endl;
        }
        if(sub_id < 0) sub_id = 0;
        int new_id = sub_id + suboffset;
        GenParticleRef dref( ref, d );
        cands[d].setCollisionId(new_id); // For new GenParticle
        LogDebug("VertexId")<<"SubEvent offset 3 : "<<suboffset;
     }
     int nsub = -2;
     if(isHI){
        nsub = hi->Ncoll_hard()+1;
        suboffset += nsub;
     }else{
        suboffset += 1;
     }
     offset += num_particles;
      }
   }else{
      auto origin = (*mc->vertices_begin())->position();
      xyz0Ptr->SetXYZ(origin.x() * mmToCm, origin.y() * mmToCm, origin.z() * mmToCm);
      *t0Ptr = origin.t() * mmToNs;
      fillIndices(mc, particles, *barCodeVector, 0,barcodes);
 
      // fill output collection and save association
      for( size_t i = 0; i < particles.size(); ++ i ) {
     const HepMC::GenParticle * part = particles[ i ];
     reco::GenParticle & cand = cands[ i ];
     // convert HepMC::GenParticle to new reco::GenParticle
     convertParticle(cand, part,id2Charge);
     cand.resetDaughters( ref.id() );
      }
 
      // fill references to daughters
      for( size_t d = 0; d < cands.size(); ++ d ) {
     const HepMC::GenParticle * part = particles[ d ];
     const GenVertex * productionVertex = part->production_vertex();
     // search barcode map and attach daughters
     if ( productionVertex != nullptr ) fillDaughters(cands,part,ref,d,barcodes);
     cands[d].setCollisionId(0);
      }
   }
   
   evt.put(std::move(candsPtr));
   if(saveBarCodes_) evt.put(std::move(barCodeVector));
   if(cfhepmcprod) delete cfhepmcprod;
   evt.put(std::move(xyz0Ptr),"xyz0");
   evt.put(std::move(t0Ptr),"t0");
 }