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// $Id: FillerMet.cc,v 1.2 2009/03/15 11:20:41 loizides Exp $
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#include "MitProd/TreeFiller/interface/FillerMet.h"
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#include "FWCore/MessageLogger/interface/MessageLogger.h"
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#include "DataFormats/Common/interface/Handle.h"
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#include "DataFormats/METReco/interface/CaloMET.h"
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#include "DataFormats/METReco/interface/METCollection.h"
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#include "MitAna/DataTree/interface/Names.h"
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#include "MitAna/DataTree/interface/MetCol.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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FillerMet::FillerMet(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","met")),
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mitName_(Conf().getUntrackedParameter<string>("mitName",Names::gkCaloMetBrn)),
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mets_(new mithep::MetArr)
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{
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// Constructor.
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}
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//--------------------------------------------------------------------------------------------------
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FillerMet::~FillerMet()
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{
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// Destructor.
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delete mets_;
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}
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//--------------------------------------------------------------------------------------------------
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void FillerMet::BookDataBlock(TreeWriter &tws)
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{
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// Add mets branch to tree.
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tws.AddBranch(mitName_,&mets_);
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OS()->add<mithep::MetArr>(mets_,mitName_);
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}
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//--------------------------------------------------------------------------------------------------
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void FillerMet::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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mets_->Delete();
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Handle<reco::METCollection> hMetProduct;
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GetProduct(edmName_, hMetProduct, event);
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const reco::METCollection inMets = *(hMetProduct.product());
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// loop through all mets
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for (reco::METCollection::const_iterator inMet = inMets.begin();
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inMet != inMets.end(); ++inMet) {
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mithep::Met *met = mets_->Allocate();
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new (met) mithep::Met(inMet->px(), inMet->py());
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// fill met base class data
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met->SetSumEt(inMet->sumEt());
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met->SetElongitudinal(inMet->e_longitudinal());
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for(unsigned i=0; i<inMet->mEtCorr().size(); i++) {
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met->PushCorrectionX(inMet->mEtCorr()[i].mex);
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met->PushCorrectionY(inMet->mEtCorr()[i].mey);
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met->PushCorrectionSumEt(inMet->mEtCorr()[i].sumet);
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}
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}
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mets_->Trim();
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}
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