MuonMETcorrInputProducer Class Reference

#include <MuonMETcorrInputProducer.h>

Inheritance diagram for MuonMETcorrInputProducer:

List of all members.

Public Member Functions
	MuonMETcorrInputProducer (const edm::ParameterSet &)
	~MuonMETcorrInputProducer ()
Private Member Functions
void	produce (edm::Event &, const edm::EventSetup &)
Private Attributes
std::string	moduleLabel_
edm::InputTag	src_
edm::InputTag	srcMuonCorrections_

---

Detailed Description

Sum CaloMET muon corrections, needed to compute Type 2 MET corrections in case muon corrected CaloMET is used as input to CorrectedCaloMETProducer

Author:

Christian Veelken, LLR

Version:

Revision:

1.1

Id:

MuonMETcorrInputProducer.h,v 1.1 2011/09/16 08:03:38 veelken Exp

Definition at line 25 of file MuonMETcorrInputProducer.h.

---

Constructor & Destructor Documentation

MuonMETcorrInputProducer::MuonMETcorrInputProducer

(

const edm::ParameterSet &

cfg

)

[explicit]

Definition at line 10 of file MuonMETcorrInputProducer.cc.

References edm::ParameterSet::getParameter(), src_, and srcMuonCorrections_.

  : moduleLabel_(cfg.getParameter<std::string>("@module_label"))
{
  src_ = cfg.getParameter<edm::InputTag>("src");

  srcMuonCorrections_ = cfg.getParameter<edm::InputTag>("srcMuonCorrections");

  produces<CorrMETData>();
}

MuonMETcorrInputProducer::~MuonMETcorrInputProducer

(

)

Definition at line 20 of file MuonMETcorrInputProducer.cc.

{
// nothing to be done yet...
}

---

Member Function Documentation

void MuonMETcorrInputProducer::produce	(	edm::Event &	evt,
		const edm::EventSetup &	es
	)		[private, virtual]

Implements edm::EDProducer.

Definition at line 25 of file MuonMETcorrInputProducer.cc.

References edm::Event::getByLabel(), metsig::muon, patZpeak::muons, reco::MuonMETCorrectionData::NotUsed, patZpeak::numMuons, reco::LeafCandidate::pt(), edm::Event::put(), reco::LeafCandidate::px(), reco::LeafCandidate::py(), src_, srcMuonCorrections_, and reco::MuonMETCorrectionData::type().

{
  std::auto_ptr<CorrMETData> unclEnergySum(new CorrMETData());

  edm::Handle<reco::MuonCollection> muons;
  evt.getByLabel(src_, muons);

  typedef edm::ValueMap<reco::MuonMETCorrectionData> MuonMETCorrectionMap;
  edm::Handle<MuonMETCorrectionMap> muonCorrections;
  evt.getByLabel(srcMuonCorrections_, muonCorrections);

//--- sum muon corrections. 
//
//    NOTE: MET = -(jets + muon corrections + "unclustered energy"),
//          so "unclustered energy" = -(MET + jets + muons),
//          i.e. muon corrections enter the sum of "unclustered energy" with negative sign.
//
  int numMuons = muons->size();
  for ( int muonIndex = 0; muonIndex < numMuons; ++muonIndex ) {
    const reco::Muon& muon = muons->at(muonIndex);
        
    reco::MuonRef muonRef(muons, muonIndex);

    reco::MuonMETCorrectionData muonCorrection = (*muonCorrections)[muonRef];
    if ( muonCorrection.type() != reco::MuonMETCorrectionData::NotUsed ) {
      unclEnergySum->mex   -= muon.px();
      unclEnergySum->mey   -= muon.py();
      unclEnergySum->sumet -= muon.pt();
    }
  }

//--- add sum of muon corrections to the event
  evt.put(unclEnergySum);
}

---

Member Data Documentation

std::string MuonMETcorrInputProducer::moduleLabel_ [private]

Definition at line 36 of file MuonMETcorrInputProducer.h.

edm::InputTag MuonMETcorrInputProducer::src_ [private]

Definition at line 38 of file MuonMETcorrInputProducer.h.

Referenced by MuonMETcorrInputProducer(), and produce().

edm::InputTag MuonMETcorrInputProducer::srcMuonCorrections_ [private]

Definition at line 40 of file MuonMETcorrInputProducer.h.

Referenced by MuonMETcorrInputProducer(), and produce().