SeedGeneratorFromProtoTracksEDProducer Class Reference

#include <SeedGeneratorFromProtoTracksEDProducer.h>

Inheritance diagram for SeedGeneratorFromProtoTracksEDProducer:

List of all members.

Public Member Functions
virtual void	produce (edm::Event &ev, const edm::EventSetup &es)
	SeedGeneratorFromProtoTracksEDProducer (const edm::ParameterSet &cfg)
virtual	~SeedGeneratorFromProtoTracksEDProducer ()
Private Attributes
edm::ParameterSet	theConfig
edm::InputTag	theInputCollectionTag

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Detailed Description

Definition at line 11 of file SeedGeneratorFromProtoTracksEDProducer.h.

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Constructor & Destructor Documentation

SeedGeneratorFromProtoTracksEDProducer::SeedGeneratorFromProtoTracksEDProducer

(

const edm::ParameterSet &

cfg

)

Definition at line 33 of file SeedGeneratorFromProtoTracksEDProducer.cc.

  : theConfig(cfg), theInputCollectionTag(cfg.getParameter<InputTag>("InputCollection"))
{
  produces<TrajectorySeedCollection>();
}

virtual SeedGeneratorFromProtoTracksEDProducer::~SeedGeneratorFromProtoTracksEDProducer

(

)

[inline, virtual]

Definition at line 14 of file SeedGeneratorFromProtoTracksEDProducer.h.

{}

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Member Function Documentation

void SeedGeneratorFromProtoTracksEDProducer::produce	(	edm::Event &	ev,
		const edm::EventSetup &	es
	)		[virtual]

Implements edm::EDProducer.

Definition at line 39 of file SeedGeneratorFromProtoTracksEDProducer.cc.

References edm::EventSetup::get(), edm::Event::getByLabel(), edm::ParameterSet::getParameter(), SeedFromProtoTrack::isValid(), reco::TrackBase::momentum(), edm::Handle< T >::product(), edm::Event::put(), reco::Track::recHit(), reco::Track::recHitsSize(), query::result, SeedFromConsecutiveHitsCreator_cfi::SeedFromConsecutiveHitsCreator, python::multivaluedict::sort(), mathSSE::sqrt(), theConfig, theInputCollectionTag, SeedFromProtoTrack::trajectorySeed(), and reco::TrackBase::vertex().

{
  std::auto_ptr<TrajectorySeedCollection> result(new TrajectorySeedCollection());
  Handle<reco::TrackCollection> trks;
  ev.getByLabel(theInputCollectionTag, trks);

  const TrackCollection &protos = *(trks.product());
  
  for (TrackCollection::const_iterator it=protos.begin(); it!= protos.end(); ++it) {
    const Track & proto = (*it);

    if (theConfig.getParameter<bool>("useProtoTrackKinematics")) {
      SeedFromProtoTrack seedFromProtoTrack( proto, es);
      if (seedFromProtoTrack.isValid()) (*result).push_back( seedFromProtoTrack.trajectorySeed() );
    } else {
      edm::ESHandle<TransientTrackingRecHitBuilder> ttrhbESH;
      std::string builderName = theConfig.getParameter<std::string>("TTRHBuilder");
      es.get<TransientRecHitRecord>().get(builderName,ttrhbESH);
      std::vector<Hit> hits;
      for (unsigned int iHit = 0, nHits = proto.recHitsSize(); iHit < nHits; ++iHit) {
        TrackingRecHitRef refHit = proto.recHit(iHit);
        if(refHit->isValid()) hits.push_back(ttrhbESH->build(  &(*refHit) ));
        sort(hits.begin(), hits.end(), HitLessByRadius());
      }
      if (hits.size() >= 2) {
        GlobalPoint vtx(proto.vertex().x(), proto.vertex().y(), proto.vertex().z());
        double mom_perp = sqrt(proto.momentum().x()*proto.momentum().x()+proto.momentum().y()*proto.momentum().y());
        GlobalTrackingRegion region(mom_perp, vtx, 0.2, 0.2);
        SeedFromConsecutiveHitsCreator().trajectorySeed(*result, SeedingHitSet(hits), region, es);
      }
    }
  } 

  ev.put(result);
}

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Member Data Documentation

edm::ParameterSet SeedGeneratorFromProtoTracksEDProducer::theConfig [private]

Definition at line 17 of file SeedGeneratorFromProtoTracksEDProducer.h.

Referenced by produce().

edm::InputTag SeedGeneratorFromProtoTracksEDProducer::theInputCollectionTag [private]

Definition at line 18 of file SeedGeneratorFromProtoTracksEDProducer.h.

Referenced by produce().