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bendavid |
1.1 |
// $Id: FillerGenMet.cc,v 1.12 2009/06/15 15:00:25 loizides Exp $
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#include "MitProd/TreeFiller/interface/FillerGenMet.h"
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#include "DataFormats/METReco/interface/GenMET.h"
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#include "DataFormats/METReco/interface/GenMETCollection.h"
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#include "MitAna/DataTree/interface/GenMetCol.h"
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#include "MitAna/DataTree/interface/Names.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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FillerGenMet::FillerGenMet(const ParameterSet &cfg, const char *name, bool active) :
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BaseFiller(cfg,name,active),
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edmName_(Conf().getUntrackedParameter<string>("edmName","genMetTrue")),
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mitName_(Conf().getUntrackedParameter<string>("mitName",Names::gkGenMetBrn)),
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genMets_(new mithep::GenMetArr)
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{
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// Constructor.
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}
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//--------------------------------------------------------------------------------------------------
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FillerGenMet::~FillerGenMet()
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{
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// Destructor.
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delete genMets_;
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}
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//--------------------------------------------------------------------------------------------------
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void FillerGenMet::BookDataBlock(TreeWriter &tws)
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{
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// Add mets branch to tree.
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tws.AddBranch(mitName_,&genMets_);
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OS()->add<mithep::GenMetArr>(genMets_,mitName_);
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}
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//--------------------------------------------------------------------------------------------------
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void FillerGenMet::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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genMets_->Delete();
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Handle<reco::GenMETCollection> hGenMetProduct;
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GetProduct(edmName_, hGenMetProduct, event);
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const reco::GenMETCollection inGenMets = *(hGenMetProduct.product());
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// loop through all mets
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for (reco::GenMETCollection::const_iterator inGenMet = inGenMets.begin();
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inGenMet != inGenMets.end(); ++inGenMet) {
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mithep::GenMet *genMet = genMets_->Allocate();
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new (genMet) mithep::GenMet(inGenMet->px(), inGenMet->py());
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// fill Met base class data
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genMet->SetSumEt(inGenMet->sumEt());
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genMet->SetElongitudinal(inGenMet->e_longitudinal());
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for(unsigned i=0; i<inGenMet->mEtCorr().size(); i++) {
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genMet->PushCorrectionX(inGenMet->mEtCorr()[i].mex);
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genMet->PushCorrectionY(inGenMet->mEtCorr()[i].mey);
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genMet->PushCorrectionSumEt(inGenMet->mEtCorr()[i].sumet);
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}
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// fill GenMet class data
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genMet->SetEmEnergy(inGenMet->emEnergy());
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genMet->SetHadEnergy(inGenMet->hadEnergy());
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genMet->SetInvisibleEnergy(inGenMet->invisibleEnergy());
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genMet->SetAuxiliaryEnergy(inGenMet->auxiliaryEnergy());
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}
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genMets_->Trim();
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}
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