Identifies pile-up candidates from a collection of PFCandidates, and produces the corresponding collection of PileUpCandidates. More...

#include <PFPileUp.h>

Inheritance diagram for PFPileUp:

List of all members.

Public Member Functions
virtual void	beginJob ()
	PFPileUp (const edm::ParameterSet &)
virtual void	produce (edm::Event &, const edm::EventSetup &)
	~PFPileUp ()
Private Attributes
bool	checkClosestZVertex_
	use the closest z vertex if a track is not in a vertex
bool	enable_
	enable PFPileUp selection
edm::InputTag	inputTagPFCandidates_
	PFCandidates to be analyzed.
edm::InputTag	inputTagVertices_
	vertices
PFPileUpAlgo	pileUpAlgo_
bool	verbose_
	verbose ?

Detailed Description

Identifies pile-up candidates from a collection of PFCandidates, and produces the corresponding collection of PileUpCandidates.

Author:: Colin Bernet

Date:: february 2008 Florian Beaudette 30/03/2012

Definition at line 34 of file PFPileUp.h.

Constructor & Destructor Documentation

PFPileUp::PFPileUp ( const edm::ParameterSet & iConfig ) [explicit]

Definition at line 18 of file PFPileUp.cc.

References edm::ParameterSet::exists(), edm::ParameterSet::getParameter(), and edm::ParameterSet::getUntrackedParameter().

                                                 {
  
  inputTagPFCandidates_ 
    = iConfig.getParameter<InputTag>("PFCandidates");

  inputTagVertices_ 
    = iConfig.getParameter<InputTag>("Vertices");

  enable_ = iConfig.getParameter<bool>("Enable");

  verbose_ = 
    iConfig.getUntrackedParameter<bool>("verbose",false);


  if ( iConfig.exists("checkClosestZVertex") ) {
    checkClosestZVertex_ = iConfig.getParameter<bool>("checkClosestZVertex");
  } else {
    checkClosestZVertex_ = false;
  }

  // Configure the algo
  pileUpAlgo_.setVerbose(verbose_);
  pileUpAlgo_.setCheckClosestZVertex(checkClosestZVertex_);

  produces<reco::PFCandidateCollection>();
  
}

PFPileUp::~PFPileUp ( )

Definition at line 48 of file PFPileUp.cc.

{ }

Member Function Documentation

void PFPileUp::beginJob ( void ) [virtual]

Reimplemented from edm::EDProducer.

Definition at line 52 of file PFPileUp.cc.

{ }

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

Implements edm::EDProducer.

Definition at line 55 of file PFPileUp.cc.

References edm::Event::getByLabel(), reco::tau::pfCandidates(), and edm::Event::put().

                                                    {
  
//   LogDebug("PFPileUp")<<"START event: "<<iEvent.id().event()
//                       <<" in run "<<iEvent.id().run()<<endl;
  
   
  // get PFCandidates

  auto_ptr< reco::PFCandidateCollection > 
    pOutput( new reco::PFCandidateCollection ); 
  
  if(enable_) {

    Handle<PFCandidateCollection> pfCandidates;
    iEvent.getByLabel( inputTagPFCandidates_, pfCandidates);

  
    // get vertices 

    Handle<VertexCollection> vertices;
    iEvent.getByLabel( inputTagVertices_, vertices);
    
    pileUpAlgo_.process(*pfCandidates,*vertices,&pfCandidates);
    
    pOutput->insert(pOutput->end(),pileUpAlgo_.getPFCandidatesFromPU().begin(),pileUpAlgo_.getPFCandidatesFromPU().end());
  }  
  // outsize of the loop to fill the collection anyway even when disabled
  iEvent.put( pOutput );
}