Inheritance diagram for GsfElectronFromPVSelector:

Public Member Functions
void	endJob ()
	GsfElectronFromPVSelector (const edm::ParameterSet &iConfig)
void	produce (edm::Event &iEvent, const edm::EventSetup &iSetup)
virtual	~GsfElectronFromPVSelector ()
Private Attributes
double	max_dxy_
double	max_dz_
edm::InputTag	srcPart_
edm::InputTag	srcPV_

Detailed Description

Definition at line 31 of file ElectronFromPVSelector.cc.

Constructor & Destructor Documentation

GsfElectronFromPVSelector::GsfElectronFromPVSelector ( const edm::ParameterSet & iConfig )

Definition at line 57 of file ElectronFromPVSelector.cc.

  : srcPart_(iConfig.getParameter<edm::InputTag>("srcElectron"))
  , srcPV_  (iConfig.getParameter<edm::InputTag>("srcVertex"))
  , max_dxy_(iConfig.getParameter<double>("max_dxy"))
  , max_dz_ (iConfig.getParameter<double>("max_dz"))
{
  produces<std::vector<reco::GsfElectron> >();
}

GsfElectronFromPVSelector::~GsfElectronFromPVSelector ( ) [virtual]

Definition at line 68 of file ElectronFromPVSelector.cc.

{}

Member Function Documentation

void GsfElectronFromPVSelector::endJob ( void ) [virtual]

Reimplemented from edm::EDProducer.

Definition at line 110 of file ElectronFromPVSelector.cc.

{
}

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

Implements edm::EDProducer.

Definition at line 75 of file ElectronFromPVSelector.cc.

References edm::Event::getByLabel(), max_dxy_, max_dz_, reco::Vertex::position(), edm::Event::put(), srcPart_, and srcPV_.

{  
  std::auto_ptr<std::vector<reco::GsfElectron> > goodGsfElectrons(new std::vector<reco::GsfElectron >);
  
  edm::Handle< std::vector<reco::Vertex> > VertexHandle;
  iEvent.getByLabel(srcPV_,VertexHandle);

  edm::Handle< std::vector<reco::GsfElectron> > GsfElectronHandle;
  iEvent.getByLabel(srcPart_,GsfElectronHandle);
  
  if( (VertexHandle->size() == 0) || (GsfElectronHandle->size() == 0) ) 
  {
    iEvent.put(goodGsfElectrons);
    return ;
  }
  
  
  reco::Vertex PV = VertexHandle->front();   
  std::vector<reco::GsfElectron>::const_iterator GsfElectronIt ;
//  typename std::vector<reco::GsfElectron>::const_iterator GsfElectronIt ;

  for (GsfElectronIt = GsfElectronHandle->begin(); GsfElectronIt != GsfElectronHandle->end(); ++GsfElectronIt) {
    
    //int q = GsfElectronIt->gsfTrack()->charge() ;
    
    if ( fabs(GsfElectronIt->gsfTrack()->dxy(PV.position())) < max_dxy_ && 
         fabs(GsfElectronIt->gsfTrack()->dz(PV.position()))  < max_dz_  ) {
        goodGsfElectrons -> push_back(*GsfElectronIt) ;
    }
  }  
  
  iEvent.put(goodGsfElectrons);
  
}