Inheritance diagram for MCTrackMatcher:

Public Member Functions
	MCTrackMatcher (const edm::ParameterSet &)
	constructor More...

Public Member Functions inherited from edm::EDProducer
	EDProducer ()

ModuleDescription const &	moduleDescription () const

virtual	~EDProducer ()

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

	ProducerBase ()

void	registerProducts (ProducerBase , ProductRegistry , ModuleDescription const &)

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

virtual	~ProducerBase ()

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

	EDConsumerBase ()

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

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

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

std::vector < ProductHolderIndexAndSkipBit > const &	itemsToGetFromEvent () const

void	labelsForToken (EDGetToken iToken, Labels &oLabels) const

void	modulesDependentUpon (const std::string &iProcessName, std::vector< const char * > &oModuleLabels) const

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

bool	registeredToConsume (ProductHolderIndex, bool, BranchType) const

bool	registeredToConsumeMany (TypeID const &, BranchType) const

void	updateLookup (BranchType iBranchType, ProductHolderIndexHelper const &)

virtual	~EDConsumerBase ()

Private Types
typedef edm::Association < reco::GenParticleCollection >	GenParticleMatch

Private Member Functions
void	produce (edm::Event &evt, const edm::EventSetup &es) override

Private Attributes
edm::InputTag	associator_

edm::InputTag	genParticles_

edm::InputTag	trackingParticles_

edm::InputTag	tracks_

Additional Inherited Members
Public Types inherited from edm::EDProducer
typedef EDProducer	ModuleType

Public Types inherited from edm::ProducerBase
typedef ProductRegistryHelper::TypeLabelList	TypeLabelList

Public Types inherited from edm::EDConsumerBase
typedef ProductLabels	Labels

Static Public Member Functions inherited from edm::EDProducer
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

Author: Luca Lista, INFN

Definition at line 14 of file MCTrackMatcher.cc.

Member Typedef Documentation

typedef edm::Association<reco::GenParticleCollection> MCTrackMatcher::GenParticleMatch

private

Definition at line 23 of file MCTrackMatcher.cc.

Constructor & Destructor Documentation

MCTrackMatcher::MCTrackMatcher ( const edm::ParameterSet & p )

constructor

Definition at line 37 of file MCTrackMatcher.cc.

References associator_, genParticles_, trackingParticles_, and tracks_.

                                                      :
   associator_(p.getParameter<string>("associator")),
   tracks_(p.getParameter<InputTag>("tracks")),
   genParticles_( p.getParameter<InputTag>("genParticles")),
   trackingParticles_( p.getParameter<InputTag>("trackingParticles")) {
   produces<GenParticleMatch>();
   
   consumes<reco::TrackToTrackingParticleAssociator>(associator_);
   consumes<edm::View<reco::Track>>(tracks_);
   consumes<GenParticleCollection>(genParticles_);
   consumes<TrackingParticleCollection>(trackingParticles_);
 }

Member Function Documentation

void MCTrackMatcher::produce	(	edm::Event &	evt,
		const edm::EventSetup &	es
	)

overrideprivatevirtual

Implements edm::EDProducer.

Definition at line 50 of file MCTrackMatcher.cc.

References reco::TrackToTrackingParticleAssociator::associateRecoToSim(), associator_, b, alignCSCRings::e, edm::AssociationMap< Tag >::end(), f, edm::helper::Filler< Map >::fill(), edm::AssociationMap< Tag >::find(), genParticleCandidates2GenParticles_cfi::genParticles, genParticles_, edm::Event::getByLabel(), i, edm::helper::Filler< Map >::insert(), j, match(), gen::n, AlCaHLTBitMon_ParallelJobs::p, edm::Handle< T >::product(), edm::Event::put(), reco::LeafCandidate::status(), trackingParticlesFastSim_cfi::trackingParticles, trackingParticles_, testEve_cfg::tracks, and tracks_.

                                                              {
   Handle<reco::TrackToTrackingParticleAssociator> assoc;  
   evt.getByLabel(associator_,assoc);
   const reco::TrackToTrackingParticleAssociator * associator = assoc.product();
   Handle<View<Track> > tracks;
   evt.getByLabel(tracks_, tracks);
   Handle<TrackingParticleCollection> trackingParticles;
   evt.getByLabel(trackingParticles_,trackingParticles);
   Handle<vector<int> > barCodes;
   evt.getByLabel(genParticles_,barCodes );
   Handle<GenParticleCollection> genParticles;
   evt.getByLabel(genParticles_, genParticles );
   RecoToSimCollection associations = associator->associateRecoToSim ( tracks, trackingParticles);
   auto_ptr<GenParticleMatch> match(new GenParticleMatch(GenParticleRefProd(genParticles)));
   GenParticleMatch::Filler filler(*match);
   size_t n = tracks->size();
   vector<int> indices(n,-1);
   for (size_t i = 0; i < n; ++ i ) {
     RefToBase<Track> track(tracks, i);
     RecoToSimCollection::const_iterator f = associations.find(track);
     if ( f != associations.end() ) {
       TrackingParticleRef tp = f->val.front().first;
       TrackingParticle::genp_iterator j, b = tp->genParticle_begin(), e = tp->genParticle_end();
       for( j = b; j != e; ++ j ) {
     const reco::GenParticle * p = j->get();
     if (p->status() == 1) {
       indices[i] = j->key();
       break;
     }
       }
     }
   }
   filler.insert(tracks, indices.begin(), indices.end());
   filler.fill();
   evt.put(match);
 }