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loizides |
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// $Id: FillerGlobalMuons.cc,v 1.3 2008/06/18 19:17:21 loizides Exp $
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#include "MitProd/TreeFiller/interface/FillerElectrons.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/TrackReco/interface/Track.h"
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#include "DataFormats/GsfTrackReco/interface/GsfTrack.h"
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#include "DataFormats/TrackReco/interface/TrackFwd.h"
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#include "DataFormats/EgammaCandidates/interface/PixelMatchGsfElectron.h"
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#include "DataFormats/EgammaCandidates/interface/PixelMatchGsfElectronFwd.h"
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#include "MitAna/DataTree/interface/Track.h"
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//#include "MitAna/DataTree/interface/Muon.h"
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#include "MitAna/DataTree/interface/Names.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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FillerElectrons::FillerElectrons(const edm::ParameterSet &cfg,
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const GsfTrackMap* gsfTrackMap, const TrackMap* trackerTrackMap) :
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BaseFiller(cfg, "Electrons"),
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edmName_(Conf().getUntrackedParameter<string>("edmName","pixelMatchGsfElectrons")),
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mitName_(Conf().getUntrackedParameter<string>("mitName",Names::gkElectronBrn)),
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electrons_(new mithep::ElectronArr),
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gsfTrackMap_(gsfTrackMap),
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trackerTrackMap_(trackerTrackMap)
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{
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// Constructor.
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}
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//-------------------------------------------------------------------------------------------------
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FillerElectrons::~FillerElectrons()
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{
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// Destructor.
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}
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//-------------------------------------------------------------------------------------------------
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void FillerElectrons::BookDataBlock(TreeWriter &tws)
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{
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// Add electron branch to our tree.
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tws.AddBranch(mitName_.c_str(),&electrons_);
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}
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//-------------------------------------------------------------------------------------------------
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void FillerElectrons::FillDataBlock(const edm::Event &event,
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const edm::EventSetup &setup)
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{
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// Fill electrons from edm collection into our collection.
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electrons_->Reset();
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try {
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event.getByLabel(edmName_,electronProduct_);
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} catch (cms::Exception& ex) {
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edm::LogError("FillerElectrons") << "Error! Cannot get collection with label "
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<< edmName_ << endl;
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throw edm::Exception(edm::errors::Configuration, "FillerElectrons:FillDataBlock()\n")
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<< "Error! Cannot get collection with label " << edmName_ << endl;
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}
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const reco::PixelMatchGsfElectronCollection inElectrons = *(electronProduct_.product());
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for (reco::PixelMatchGsfElectronCollection::const_iterator iM = inElectrons.begin();
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iM != inElectrons.end(); ++iM) {
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mithep::Electron* outElectron = electrons_->AddNew();
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if (gsfTrackMap_ && iM->gsfTrack().isNonnull())
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outElectron->SetGsfTrack(gsfTrackMap_->GetMit(iM->gsfTrack()));
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if (trackerTrackMap_ && iM->track().isNonnull())
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outElectron->SetTrackerTrack(trackerTrackMap_->GetMit(iM->track()));
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}
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electrons_->Trim();
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}
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