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loizides |
1.5 |
// $Id: FillerGenJets.cc,v 1.4 2009/06/15 15:00:26 loizides Exp $
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sixie |
1.1 |
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#include "MitProd/TreeFiller/interface/FillerGenJets.h"
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#include "DataFormats/JetReco/interface/GenJet.h"
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#include "SimDataFormats/JetMatching/interface/JetFlavour.h"
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#include "SimDataFormats/JetMatching/interface/JetFlavourMatching.h"
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#include "SimDataFormats/JetMatching/interface/MatchedPartons.h"
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#include "SimDataFormats/JetMatching/interface/JetMatchedPartons.h"
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loizides |
1.4 |
#include "MitAna/DataTree/interface/GenJetCol.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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sixie |
1.1 |
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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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FillerGenJets::FillerGenJets(const ParameterSet &cfg, const char *name, bool active) :
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BaseFiller(cfg,name,active),
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flavorMatchingActive_(Conf().getUntrackedParameter<bool>("flavorMatchingActive",true)),
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edmName_(Conf().getUntrackedParameter<string>("edmName","genjets")),
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mitName_(Conf().getUntrackedParameter<string>("mitName","GenJets")),
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flavorMatchingByReferenceName_(Conf().getUntrackedParameter<string>
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("flavorMatchingByReferenceName","srcByReference")),
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flavorMatchingDefinition_(Conf().getUntrackedParameter<string>
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("flavorMatchingDefinition","Algorithmic")),
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genjets_(new mithep::GenJetArr(16))
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{
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// Constructor.
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}
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//--------------------------------------------------------------------------------------------------
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FillerGenJets::~FillerGenJets()
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{
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// Destructor.
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delete genjets_;
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}
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//--------------------------------------------------------------------------------------------------
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loizides |
1.5 |
void FillerGenJets::BookDataBlock(TreeWriter &tws, const edm::EventSetup &es)
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sixie |
1.1 |
{
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// Add jets branch to tree.
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loizides |
1.3 |
tws.AddBranch(mitName_,&genjets_);
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OS()->add<mithep::GenJetArr>(genjets_,mitName_);
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sixie |
1.1 |
}
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//--------------------------------------------------------------------------------------------------
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void FillerGenJets::FillDataBlock(const edm::Event &event,
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loizides |
1.3 |
const edm::EventSetup &setup)
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sixie |
1.1 |
{
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// Fill jets from edm collection into our collection.
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bendavid |
1.2 |
genjets_->Delete();
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sixie |
1.1 |
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loizides |
1.3 |
// handle for the jet collection
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sixie |
1.1 |
Handle<reco::GenJetCollection> hGenJetProduct;
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GetProduct(edmName_, hGenJetProduct, event);
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loizides |
1.3 |
// handles for jet flavour matching
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sixie |
1.1 |
Handle<reco::JetMatchedPartonsCollection> hPartonMatchingProduct;
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if (flavorMatchingActive_)
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GetProduct(flavorMatchingByReferenceName_, hPartonMatchingProduct, event);
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const reco::GenJetCollection inJets = *(hGenJetProduct.product());
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// loop through all jets
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for (reco::GenJetCollection::const_iterator inJet = inJets.begin();
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inJet != inJets.end(); ++inJet) {
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reco::GenJetRef jetRef(hGenJetProduct, inJet - inJets.begin());
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mithep::GenJet *jet = genjets_->Allocate();
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new (jet) mithep::GenJet(inJet->p4().x(),
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inJet->p4().y(),
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inJet->p4().z(),
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inJet->p4().e());
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jet->SetHadEnergy (inJet->hadEnergy());
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jet->SetEmEnergy (inJet->emEnergy());
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jet->SetInvisibleEnergy (inJet->invisibleEnergy());
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jet->SetAuxiliaryEnergy (inJet->auxiliaryEnergy());
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if (flavorMatchingActive_) {
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unsigned int iJet = inJet - inJets.begin();
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const reco::JetMatchedPartonsCollection *matchedPartons = hPartonMatchingProduct.product();
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reco::MatchedPartons matchedParton = (*matchedPartons)[matchedPartons->key(iJet)];
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int flavorPhysDef = (matchedParton.physicsDefinitionParton().isNonnull())?
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matchedParton.physicsDefinitionParton()->pdgId():0;
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int flavorAlgDef = (matchedParton.algoDefinitionParton().isNonnull())?
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matchedParton.algoDefinitionParton()->pdgId():0;
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if (flavorMatchingDefinition_ == "Algorithmic") {
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jet->SetMatchedMCFlavor(flavorAlgDef);
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} else if(flavorMatchingDefinition_ == "Physics") {
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jet->SetMatchedMCFlavor(flavorPhysDef);
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} else {
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jet->SetMatchedMCFlavor(0);
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}
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}
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}
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genjets_->Trim();
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}
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