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GsfSeedCleaner Class Reference

#include <RecoParticleFlow/PFTracking/interface/GsfSeedCleaner.h>

Inheritance diagram for GsfSeedCleaner:

List of all members.

Public Member Functions
	GsfSeedCleaner (const edm::ParameterSet &)
	~GsfSeedCleaner ()
Private Member Functions
virtual void	beginJob (const edm::EventSetup &)
bool	CompareHits (const reco::GsfTrack tk, const TrajectorySeed s)
virtual void	endJob ()
virtual void	produce (edm::Event &, const edm::EventSetup &)
Private Attributes
edm::ParameterSet	conf_
edm::InputTag	preIdLabel_
std::vector< edm::InputTag >	tracksContainers_

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Detailed Description

Definition at line 17 of file GsfSeedCleaner.h.

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Constructor & Destructor Documentation

GsfSeedCleaner::GsfSeedCleaner

(

const edm::ParameterSet &

iConfig

)

[explicit]

Definition at line 19 of file GsfSeedCleaner.cc.

References edm::ParameterSet::getParameter(), preIdLabel_, and tracksContainers_.

                                                         :
  conf_(iConfig)
{
  LogInfo("GsfSeedCleaner")<<"Seed cleaning for Gsf tracks started  ";
  
  //now do what ever initialization is needed
 
  tracksContainers_ = 
    iConfig.getParameter< vector < InputTag > >("TkColList");
 


  preIdLabel_ =
    iConfig.getParameter<InputTag>("PreIdSeedLabel");
 
  produces<TrajectorySeedCollection>();

}

GsfSeedCleaner::~GsfSeedCleaner

(

)

[inline]

Definition at line 21 of file GsfSeedCleaner.h.

{};

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Member Function Documentation

virtual void GsfSeedCleaner::beginJob

(

const edm::EventSetup &

)

[inline, private, virtual]

Reimplemented from edm::EDProducer.

Definition at line 24 of file GsfSeedCleaner.h.

{} ;

bool GsfSeedCleaner::CompareHits	(	const reco::GsfTrack	tk,
		const TrajectorySeed	s
	)			[private]

Definition at line 89 of file GsfSeedCleaner.cc.

References muonGeometry::mag(), TrajectorySeed::recHits(), reco::Track::recHitsBegin(), reco::Track::recHitsEnd(), and sh.

Referenced by produce().

                                                                        {

 
  TrajectorySeed::const_iterator sh = s.recHits().first;
  TrajectorySeed::const_iterator sh_end = s.recHits().second;
  int hitinseed=0;
  int hitshared=0;
  for (;sh!=sh_end;++sh){
    if(!(sh->isValid())) continue;
    hitinseed++;
    trackingRecHit_iterator  ghit= tk.recHitsBegin();
    trackingRecHit_iterator  ghit_end= tk.recHitsEnd();
    for (;ghit!=ghit_end;++ghit){      
      if (!((*ghit)->isValid())) continue;
        if(((*sh).geographicalId()==(*ghit)->geographicalId())&&
           (((*sh).localPosition()-(*ghit)->localPosition()).mag()<0.01)) hitshared++;
    }
  }

  if ((hitinseed<3) &&(hitinseed==hitshared)) return false;
  if ((hitinseed>2) &&((hitinseed-hitshared)<2)) return false; 
  return true;
}

virtual void GsfSeedCleaner::endJob

(

void

)

[inline, private, virtual]

Reimplemented from edm::EDProducer.

Definition at line 26 of file GsfSeedCleaner.h.

{} ;

void GsfSeedCleaner::produce	(	edm::Event &	iEvent,
		const edm::EventSetup &	iSetup
	)			[private, virtual]

Implements edm::EDProducer.

Definition at line 46 of file GsfSeedCleaner.cc.

References CompareHits(), edm::EventID::event(), edm::Event::getByLabel(), edm::Event::id(), LogDebug, output(), preIdLabel_, edm::Event::put(), edm::EventID::run(), and tracksContainers_.

{
  
  LogDebug("GsfSeedCleaner")<<"START event: "<<iEvent.id().event()
                              <<" in run "<<iEvent.id().run();
  
  //Create empty output collections
  auto_ptr<TrajectorySeedCollection> output(new TrajectorySeedCollection);

  Handle<TrajectorySeedCollection> SeedCollection;
  iEvent.getByLabel(preIdLabel_,SeedCollection);

  TrajectorySeedCollection::const_iterator isc=SeedCollection->begin();
  TrajectorySeedCollection::const_iterator isc_end=SeedCollection->end();

  for (;isc!=isc_end;++isc){
    bool seed_not_used =true;
    //Vector of track collections
    for (uint istr=0; istr<tracksContainers_.size();istr++){
      
      //Track collection
      Handle<GsfElectronCollection> ElecCollection;
      iEvent.getByLabel(tracksContainers_[istr], ElecCollection);


      GsfElectronCollection::const_iterator itk = ElecCollection->begin();
      GsfElectronCollection::const_iterator itk_end = ElecCollection->end();
      for(;itk!=itk_end;++itk){

        if (seed_not_used){
          seed_not_used=CompareHits(*itk->gsfTrack(),*isc);
        }
      }    
      
    } //end loop on the vector of Gsf track collections
    if (seed_not_used)
      output->push_back(*isc);
  }//end loop on the preid seeds

  iEvent.put(output);
  
}

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Member Data Documentation

edm::ParameterSet GsfSeedCleaner::conf_ [private]

Definition at line 30 of file GsfSeedCleaner.h.

edm::InputTag GsfSeedCleaner::preIdLabel_ [private]

Definition at line 31 of file GsfSeedCleaner.h.

Referenced by GsfSeedCleaner(), and produce().

std::vector<edm::InputTag> GsfSeedCleaner::tracksContainers_ [private]

Definition at line 32 of file GsfSeedCleaner.h.

Referenced by GsfSeedCleaner(), and produce().

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The documentation for this class was generated from the following files:

• RecoParticleFlow/PFTracking/interface/GsfSeedCleaner.h
• RecoParticleFlow/PFTracking/src/GsfSeedCleaner.cc

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