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// $Id: JetIDMod.cc,v 1.28 2012/04/07 11:51:10 ceballos Exp $
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#include "MitPhysics/Mods/interface/JetIDMod.h"
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#include "MitCommon/MathTools/interface/MathUtils.h"
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#include "MitAna/DataTree/interface/JetCol.h"
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#include "MitPhysics/Init/interface/ModNames.h"
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#include "MitAna/DataTree/interface/CaloJetCol.h"
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#include "MitAna/DataTree/interface/PFJetCol.h"
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#include "MitPhysics/Utils/interface/JetTools.h"
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using namespace mithep;
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ClassImp(mithep::JetIDMod)
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//--------------------------------------------------------------------------------------------------
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JetIDMod::JetIDMod(const char *name, const char *title) :
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BaseMod(name,title),
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fJetsName(ModNames::gkPubJetsName),
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fGoodJetsName(ModNames::gkGoodJetsName),
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fVertexName(ModNames::gkGoodVertexesName),
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fUseJetCorrection(kTRUE),
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fJetPtCut(35.0),
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fJetEtaMaxCut(5.0),
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fJetEEMFractionMinCut(0.01),
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fApplyBetaCut(kFALSE),
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fApplyMVACut(kFALSE),
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fVertices(0)
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{
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}
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//-------------------------------------------------------------------------------------------------
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void JetIDMod::Process()
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{
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// Process entries of the tree.
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const JetCol *inJets = GetObjThisEvt<JetCol>(fJetsName);
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if (!inJets) {
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SendError(kAbortModule, "Process",
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"Pointer to input jet collection %s is null.",
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fJetsName.Data());
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return;
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}
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JetOArr *GoodJets = new JetOArr;
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GoodJets->SetName(fGoodJetsName);
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fVertices = GetObjThisEvt<VertexOArr>(fVertexName);
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// loop over jets
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for (UInt_t i=0; i<inJets->GetEntries(); ++i) {
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const Jet *jet = inJets->At(i);
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if (jet->AbsEta() > fJetEtaMaxCut)
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continue;
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Double_t jetpt;
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if (fUseJetCorrection)
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jetpt = jet->Pt();
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else
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jetpt = jet->RawMom().Pt();
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if (jetpt < fJetPtCut)
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continue;
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Bool_t passEEMFractionMinCut = kTRUE;
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if(fJetEEMFractionMinCut > 0){
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const CaloJet *caloJet = dynamic_cast<const CaloJet*>(jet);
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// The 2.6 value is hardcoded, no reason to change that value in CMS
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if (caloJet && caloJet->AbsEta() < 2.6 &&
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caloJet->EnergyFractionEm() < fJetEEMFractionMinCut)
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passEEMFractionMinCut = kFALSE;
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}
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if(passEEMFractionMinCut == kFALSE)
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continue;
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// Jet to vertex association cut
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const PFJet *pfJet = dynamic_cast<const PFJet*>(jet);
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Bool_t passBetaCut = kTRUE;
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if (pfJet && fApplyBetaCut == kTRUE) {
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passBetaCut = JetTools::PassBetaVertexAssociationCut(dynamic_cast<const PFJet*>(jet), fVertices->At(0), fVertices, 0.2);
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}
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if(passBetaCut == kFALSE)
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continue;
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if(fApplyMVACut == kTRUE &&
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fJetIDMVA->pass(pfJet,fVertices->At(0),fVertices) == kFALSE) continue;
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// add good jet to collection
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GoodJets->Add(jet);
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}
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// sort according to pt
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GoodJets->Sort();
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// add to event for other modules to use
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AddObjThisEvt(GoodJets);
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}
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//--------------------------------------------------------------------------------------------------
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void JetIDMod::SlaveBegin()
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{
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// Run startup code on the computer (slave) doing the actual analysis. Here,
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// we typically initialize histograms and other analysis objects and request
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// branches. For this module, we request a branch of the MitTree.
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if(fApplyMVACut == kTRUE){
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fJetIDMVA = new JetIDMVA();
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fJetIDMVA->Initialize(JetIDMVA::kLoose,
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TString((getenv("CMSSW_BASE")+string("/src/MitPhysics/data/mva_JetID_lowpt.weights.xml"))),
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TString((getenv("CMSSW_BASE")+string("/src/MitPhysics/data/mva_JetID_highpt.weights.xml"))),
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JetIDMVA::kBaseline,
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TString(getenv("CMSSW_BASE")+string("/src/MitPhysics/Utils/python/JetIdParams_cfi.py")));
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}
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}
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//--------------------------------------------------------------------------------------------------
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void JetIDMod::SlaveTerminate()
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{
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if(fApplyMVACut == kTRUE) delete fJetIDMVA;
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}
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