GenTrackMatcher Class Reference

Inheritance diagram for GenTrackMatcher:

Public Member Functions
	GenTrackMatcher (const edm::ParameterSet &)
	constructor More...
Public Member Functions inherited from edm::EDProducer
	EDProducer ()
virtual	~EDProducer ()
Public Member Functions inherited from edm::ProducerBase
	ProducerBase ()
void	registerProducts (ProducerBase *, ProductRegistry *, ModuleDescription const &)
boost::function< void(const BranchDescription &)>	registrationCallback () const
	used by the fwk to register list of products More...
virtual	~ProducerBase ()

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

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

Private Attributes
edm::InputTag	genParticles_
TrackHistory	tracer_
edm::InputTag	tracks_

Additional Inherited Members
Public Types inherited from edm::EDProducer
typedef EDProducer	ModuleType
typedef WorkerT< EDProducer >	WorkerType
Public Types inherited from edm::ProducerBase
typedef ProductRegistryHelper::TypeLabelList	TypeLabelList
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::EDProducer
CurrentProcessingContext const *	currentContext () const
Protected Member Functions inherited from edm::ProducerBase
template<class TProducer , class TMethod >
void	callWhenNewProductsRegistered (TProducer *iProd, TMethod iMethod)

Detailed Description

Author

Luca Lista, INFN

Victor E. Bazterra, UIC

Version

Id:

GenTrackMatcher.cc,v 1.6 2008/07/23 01:40:41 bazterra Exp

Definition at line 21 of file GenTrackMatcher.cc.

Member Typedef Documentation

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

private

Definition at line 31 of file GenTrackMatcher.cc.

Constructor & Destructor Documentation

GenTrackMatcher::GenTrackMatcher

(

const edm::ParameterSet &

p

)

constructor

Definition at line 44 of file GenTrackMatcher.cc.

                                                       :
        tracer_(p),
        tracks_(p.getUntrackedParameter<edm::InputTag>("trackProducer")),
        genParticles_(p.getUntrackedParameter<edm::InputTag>("genParticles"))
{
    produces<GenParticleMatch>();
}

Member Function Documentation

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

privatevirtual

Implements edm::EDProducer.

Definition at line 52 of file GenTrackMatcher.cc.

References b, alignCSCRings::e, TrackHistory::evaluate(), edm::hlt::Exception, f, edm::helper::Filler< Map >::fill(), spr::find(), configurableAnalysis::GenParticle, HistoryBase::genParticle(), genParticleCandidates2GenParticles_cfi::genParticles, genParticles_, edm::Event::getByLabel(), i, errorMatrix2Lands::indices, edm::helper::Filler< Map >::insert(), edm::errors::InvalidReference, match(), n, TrackHistory::newEvent(), edm::Event::put(), tracer_, testEve_cfg::tracks, and tracks_.

{
    Handle<View<Track> > tracks;
    evt.getByLabel(tracks_, tracks);
    Handle<vector<int> > barCodes;
    evt.getByLabel(genParticles_, barCodes);
    Handle<GenParticleCollection> genParticles;
    evt.getByLabel(genParticles_, genParticles);
    auto_ptr<GenParticleMatch> match(new GenParticleMatch(GenParticleRefProd(genParticles)));
    GenParticleMatch::Filler filler(*match);
    size_t n = tracks->size();
    vector<int> indices(n,-1);
    tracer_.newEvent(evt, es);
    for (size_t i = 0; i < n; ++ i )
    {
        RefToBase<Track> track(tracks, i);
        if (tracer_.evaluate(track))
        {
            const HepMC::GenParticle * particle = tracer_.genParticle();
            if (particle)
            {
                int barCode = particle->barcode();
                vector<int>::const_iterator b = barCodes->begin(), e = barCodes->end(), f = find( b, e, barCode );
                if (f == e) throw edm::Exception(errors::InvalidReference)
                    << "found matching particle with barcode" << *f
                    << " which has not been found in " << genParticles_;
                indices[i] = *f;
            }
        }
    }
    filler.insert(tracks, indices.begin(), indices.end());
    filler.fill();
    evt.put(match);
}

Member Data Documentation

edm::InputTag GenTrackMatcher::genParticles_

private

Definition at line 30 of file GenTrackMatcher.cc.

Referenced by produce().

TrackHistory GenTrackMatcher::tracer_

private

Definition at line 29 of file GenTrackMatcher.cc.

Referenced by produce().

edm::InputTag GenTrackMatcher::tracks_

private

Definition at line 30 of file GenTrackMatcher.cc.

Referenced by produce().