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// $Id: FillerPFMet.cc,v 1.7 2011/10/03 16:15:50 ksung Exp $
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#include "MitProd/TreeFiller/interface/FillerPFMet.h"
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#include "DataFormats/METReco/interface/PFMET.h"
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#include "DataFormats/METReco/interface/PFMETCollection.h"
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#include "MitAna/DataTree/interface/Names.h"
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#include "MitAna/DataTree/interface/PFMetCol.h"
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#include "MitProd/ObjectService/interface/ObjectService.h"
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using namespace std;
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using namespace edm;
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using namespace mithep;
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//--------------------------------------------------------------------------------------------------
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FillerPFMet::FillerPFMet(const ParameterSet &cfg, const char *name, bool active) :
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BaseFiller(cfg,name,active),
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edmName_(Conf().getUntrackedParameter<edm::InputTag>("edmName")),
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mitName_(Conf().getUntrackedParameter<string>("mitName",Names::gkCaloMetBrn)),
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pfMets_(new mithep::PFMetArr)
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{
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// Constructor.
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}
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//--------------------------------------------------------------------------------------------------
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FillerPFMet::~FillerPFMet()
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{
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// Destructor.
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delete pfMets_;
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}
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//--------------------------------------------------------------------------------------------------
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void FillerPFMet::BookDataBlock(TreeWriter &tws)
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{
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// Add mets branch to tree.
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tws.AddBranch(mitName_,&pfMets_);
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OS()->add<mithep::PFMetArr>(pfMets_,mitName_);
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}
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//--------------------------------------------------------------------------------------------------
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void FillerPFMet::FillDataBlock(const edm::Event &event,
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const edm::EventSetup &setup)
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{
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// Fill missing energy from edm collection into our collection.
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pfMets_->Delete();
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reco::PFMETCollection inPFMets;
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Handle<reco::PFMETCollection> hCaloMetProduct;
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//GetProduct(edmName_, hCaloMetProduct, event);
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event.getByLabel(edmName_,hCaloMetProduct);
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if(hCaloMetProduct.isValid()) {
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inPFMets = *(hCaloMetProduct.product());
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} else {
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Handle<reco::PFMET> hSingleMetProduct;
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event.getByLabel(edmName_, hSingleMetProduct);
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inPFMets.push_back(*hSingleMetProduct.product());
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}
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// loop through all mets
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for (reco::PFMETCollection::const_iterator inPFMet = inPFMets.begin();
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inPFMet != inPFMets.end(); ++inPFMet) {
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mithep::PFMet *pfMet = pfMets_->Allocate();
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new (pfMet) mithep::PFMet(inPFMet->px(), inPFMet->py());
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// fill Met base class data
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pfMet->SetSumEt(inPFMet->sumEt());
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pfMet->SetElongitudinal(inPFMet->e_longitudinal());
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for(unsigned i=0; i<inPFMet->mEtCorr().size(); i++) {
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pfMet->PushCorrectionX(inPFMet->mEtCorr()[i].mex);
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pfMet->PushCorrectionY(inPFMet->mEtCorr()[i].mey);
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pfMet->PushCorrectionSumEt(inPFMet->mEtCorr()[i].sumet);
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}
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// fill PFMet class data
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pfMet->SetPFMetSig(inPFMet->significance());
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pfMet->SetNeutralEMFraction(inPFMet->NeutralEMFraction());
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pfMet->SetNeutralHadFraction(inPFMet->NeutralHadFraction());
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pfMet->SetChargedEMFraction(inPFMet->ChargedEMFraction());
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pfMet->SetChargedHadFraction(inPFMet->ChargedHadFraction());
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pfMet->SetMuonFraction(inPFMet->MuonFraction());
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}
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pfMets_->Trim();
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}
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