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pharris |
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#include "MitPhysics/Utils/interface/RecoilTools.h"
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#include "MitPhysics/Utils/interface/JetTools.h"
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#include <TFile.h>
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ClassImp(mithep::RecoilTools)
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using namespace mithep;
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RecoilTools::RecoilTools(TString iJetMVAFile) {
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fJetIDMVA = new JetIDMVA();
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fJetIDMVA->Initialize( "JetIDMVA",iJetMVAFile,JetIDMVA::kBaseline);
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}
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//--------------------------------------------------------------------------------------------------
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RecoilTools::~RecoilTools() {
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delete fJetIDMVA;
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}
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//--------------------------------------------------------------------------------------------------
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bool RecoilTools::filter(const PFJet *iJet,Double_t iPhi1,Double_t iEta1,Double_t iPhi2,Double_t iEta2) {
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double pDEta1 = iJet->Eta() - iEta1;
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double pDPhi1 = fabs(iJet->Phi() - iPhi1); if(pDPhi1 > 2.*TMath::Pi()-pDPhi1) pDPhi1 = 2.*TMath::Pi()-pDPhi1;
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double pDR1 = sqrt(pDEta1*pDEta1 + pDPhi1*pDPhi1);
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if(pDR1 < 0.5) return false;
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double pDEta2 = iJet->Eta() - iEta2;
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double pDPhi2 = fabs(iJet->Phi() - iPhi2); if(pDPhi2 > 2.*TMath::Pi()-pDPhi2) pDPhi2 = 2.*TMath::Pi()-pDPhi2;
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double pDR2 = sqrt(pDEta2*pDEta2 + pDPhi2*pDPhi2);
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if(pDR2 < 0.5) return false;
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return true;
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}
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//--------------------------------------------------------------------------------------------------
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Met RecoilTools::pfRecoil(Double_t iVisPt,Double_t iVisPhi,Double_t iVisSumEt,
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const PFMet *iMet) {
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Met lPFMet(iMet->Px(),iMet->Py());
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lPFMet.SetSumEt(iMet->SumEt());
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lPFMet.SetMex (lPFMet.Mex()+iVisPt*cos(iVisPhi));
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lPFMet.SetMey (lPFMet.Mey()+iVisPt*sin(iVisPhi));
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lPFMet.SetSumEt(lPFMet.SumEt()-iVisSumEt);
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return lPFMet;
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}
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//--------------------------------------------------------------------------------------------------
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Met RecoilTools::trackMet(const PFCandidateCol *iCands,const Vertex *iVertex,Double_t iDZCut) {
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double trkMetx = 0;
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double trkMety = 0;
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double trkSumEt = 0;
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for(UInt_t i=0; i<iCands->GetEntries(); ++i) {
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const PFCandidate *pfcand = iCands->At(i);
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if( (pfcand->HasTrackerTrk() && (fabs(pfcand->TrackerTrk()->DzCorrected(*iVertex))< iDZCut)) ||
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(pfcand->HasGsfTrk() && (fabs(pfcand->GsfTrk()->DzCorrected(*iVertex)) < iDZCut)) ) {
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trkMetx -= pfcand->Px();
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trkMety -= pfcand->Py();
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trkSumEt += pfcand->Pt();
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}
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}
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Met lMet(trkMetx,trkMety);
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lMet.SetSumEt(trkSumEt);
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return lMet;
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}
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//--------------------------------------------------------------------------------------------------
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//Compute the recoil => here this requires the vector sum of the visible components
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//VisPt => Vector sum pT of the visible non-recoiling components
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//VisPhi => Vector sum Phi of the visible non-recoiling components
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//visSumEt => Vector sum Et =f the visible non-recoiling components
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Met RecoilTools::trackRecoil(Double_t iVisPt,Double_t iVisPhi,Double_t iVisSumEt,
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const PFCandidateCol *iCands,const Vertex *iVertex,double iDZCut) {
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Met lTrkMet = trackMet(iCands,iVertex,iDZCut);
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lTrkMet.SetMex (lTrkMet.Mex()+iVisPt*cos(iVisPhi));
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lTrkMet.SetMey (lTrkMet.Mey()+iVisPt*sin(iVisPhi));
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lTrkMet.SetSumEt(lTrkMet.SumEt()-iVisSumEt);
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return lTrkMet;
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}
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//--------------------------------------------------------------------------------------------------
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void RecoilTools::addNeut(const PFJet *iJet,FourVectorM &iVec,Double_t &iSumEt,
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FactorizedJetCorrector *iJetCorrector,const PileupEnergyDensityCol *iPUEnergyDensity,
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int iSign) {
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FourVectorM lVec(0,0,0,0);
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double lPt = fJetIDMVA->correctedPt(iJet,iJetCorrector,iPUEnergyDensity);
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lPt *= (iJet->NeutralEmEnergy()/iJet->E() + iJet->NeutralHadronEnergy()/iJet->E());
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lVec.SetPt(lPt); lVec.SetEta(iJet->Eta()); lVec.SetPhi(iJet->Phi()); lVec.SetM(iJet->Mass());
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if(iSign > 0) iVec -= lVec;
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if(iSign < 0) iVec += lVec;
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iSumEt += lPt;
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}
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//--------------------------------------------------------------------------------------------------
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Met RecoilTools::NoPUMet( const PFJetCol *iJets,FactorizedJetCorrector *iJetCorrector,
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const PileupEnergyDensityCol *iPileupEnergyDensity,
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const PFCandidateCol *iCands,const Vertex *iVertex,
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Double_t iPhi1,Double_t iEta1,Double_t iPhi2,Double_t iEta2,Double_t iDZCut) {
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FourVectorM lVec (0,0,0,0); double lSumEt = 0;
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for(UInt_t i0 = 0; i0 < iCands->GetEntries(); i0++) {
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const PFCandidate *pPF = iCands->At(i0);
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const Track* pTrack = pPF->TrackerTrk();
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if(pPF->GsfTrk()) pTrack = pPF->GsfTrk();
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if(pTrack == 0 ) continue;
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if( !((pPF->HasTrackerTrk() && (fabs(pPF->TrackerTrk()->DzCorrected(*iVertex))<iDZCut)) ||
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(pPF->HasGsfTrk() && (fabs(pPF->GsfTrk()->DzCorrected(*iVertex)) <iDZCut)))) continue;
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lVec -= pPF->Mom();
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lSumEt += pPF->Pt();
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}
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for(UInt_t i0 = 0; i0 < iJets->GetEntries(); i0++) {
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const PFJet *pJet = iJets->At(i0);
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if(!fJetIDMVA->pass(pJet,iVertex,iJetCorrector,iPileupEnergyDensity)) continue;
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if(!filter(pJet,iPhi1,iEta1,iPhi2,iEta2)) continue; //Quick cleaning==> if not done already
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addNeut(pJet,lVec,lSumEt,iJetCorrector,iPileupEnergyDensity);
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}
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Met lMet(lVec.Px(),lVec.Py());
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lMet.SetSumEt(lSumEt);
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return lMet;
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}
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//--------------------------------------------------------------------------------------------------
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Met RecoilTools::NoPURecoil(Double_t iVisPt,Double_t iVisPhi,Double_t iVisSumEt,
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const PFJetCol *iJets,FactorizedJetCorrector *iJetCorrector,
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const PileupEnergyDensityCol *iPileupEnergyDensity,
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const PFCandidateCol *iCands,const Vertex *iVertex,
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Double_t iPhi1,Double_t iEta1,Double_t iPhi2,Double_t iEta2,
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Double_t iDZCut) {
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Met lNoPUMet = NoPUMet(iJets,iJetCorrector,iPileupEnergyDensity,iCands,iVertex,iPhi1,iEta1,iPhi2,iEta2,iDZCut);
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lNoPUMet.SetMex (lNoPUMet.Mex()+iVisPt*cos(iVisPhi));
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lNoPUMet.SetMey (lNoPUMet.Mey()+iVisPt*sin(iVisPhi));
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lNoPUMet.SetSumEt(lNoPUMet.SumEt()-iVisSumEt);
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return lNoPUMet;
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}
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//--------------------------------------------------------------------------------------------------
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Met RecoilTools::PUCMet( const PFJetCol *iJets,FactorizedJetCorrector *iJetCorrector,
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const PileupEnergyDensityCol *iPileupEnergyDensity,
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const PFCandidateCol *iCands,const Vertex *iVertex,
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Double_t iPhi1,Double_t iEta1,Double_t iPhi2,Double_t iEta2,
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Double_t iDZCut) {
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FourVectorM lVec (0,0,0,0); double lSumEt = 0;
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for(UInt_t i0 = 0; i0 < iCands->GetEntries(); i0++) {
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const PFCandidate *pPF = iCands->At(i0);
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const Track* pTrack = pPF->TrackerTrk();
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if(pPF->GsfTrk()) pTrack = pPF->GsfTrk();
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if(pTrack == 0 &&
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(pPF->PFType() == PFCandidate::eGamma ||
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pPF->PFType() == PFCandidate::eEGammaHF ||
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pPF->PFType() == PFCandidate::eNeutralHadron ||
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pPF->PFType() == PFCandidate::eHadronHF ))
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{lVec -= pPF->Mom(); lSumEt += pPF->Pt();}
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if(pTrack == 0 ) continue;
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if( !((pPF->HasTrackerTrk() && (fabs(pPF->TrackerTrk()->DzCorrected(*iVertex))<iDZCut)) ||
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(pPF->HasGsfTrk() && (fabs(pPF->GsfTrk()->DzCorrected(*iVertex)) <iDZCut)))) continue;
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lVec -= pPF->Mom();
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lSumEt += pPF->Pt();
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}
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for(UInt_t i0 = 0; i0 < iJets->GetEntries(); i0++) {
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const PFJet *pJet = iJets->At(i0);
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if(fJetIDMVA->correctedPt(pJet,iJetCorrector,iPileupEnergyDensity) < fJetIDMVA->fJetPtMin
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&& pJet->TrackCountingHighEffBJetTagsDisc() == -100) continue; //This line is a bug in the Met training//
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if(!JetTools::passPFLooseId(pJet)) continue;
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if(fJetIDMVA->pass(pJet,iVertex,iJetCorrector,iPileupEnergyDensity)) continue;
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if(!filter(pJet,iPhi1,iEta1,iPhi2,iEta2)) continue; //Quick cleaning==> if not done already
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addNeut(pJet,lVec,lSumEt,iJetCorrector,iPileupEnergyDensity,-1);
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}
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Met lMet(lVec.Px(),lVec.Py());
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lMet.SetSumEt(lSumEt);
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return lMet;
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}
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//----> This MET is a bug need to fix it
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//--------------------------------------------------------------------------------------------------
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Met RecoilTools::PUCRecoil(Double_t iVisPt,Double_t iVisPhi,Double_t iVisSumEt,
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const PFJetCol *iJets,FactorizedJetCorrector *iJetCorrector,
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const PileupEnergyDensityCol *iPileupEnergyDensity,
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const PFCandidateCol *iCands,const Vertex *iVertex,
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Double_t iPhi1,Double_t iEta1,Double_t iPhi2,Double_t iEta2,
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Double_t iDZCut) {
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Met lPUCMet = PUCMet(iJets,iJetCorrector,iPileupEnergyDensity,iCands,iVertex,iPhi1,iEta1,iPhi2,iEta2,iDZCut);
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lPUCMet.SetMex (lPUCMet.Mex()+iVisPt*cos(iVisPhi));
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lPUCMet.SetMey (lPUCMet.Mey()+iVisPt*sin(iVisPhi));
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lPUCMet.SetSumEt(lPUCMet.SumEt()-iVisSumEt);
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return lPUCMet;
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}
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//--------------------------------------------------------------------------------------------------
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Met RecoilTools::PUMet( const PFJetCol *iJets,FactorizedJetCorrector *iJetCorrector,
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const PileupEnergyDensityCol *iPileupEnergyDensity,
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const PFCandidateCol *iCands,const Vertex *iVertex,
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Double_t iPhi1,Double_t iEta1,Double_t iPhi2,Double_t iEta2,
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Double_t iDZCut) {
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FourVectorM lVec (0,0,0,0); double lSumEt = 0;
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for(UInt_t i0 = 0; i0 < iCands->GetEntries(); i0++) {
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const PFCandidate *pPF = iCands->At(i0);
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const Track* pTrack = pPF->TrackerTrk();
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if(pPF->GsfTrk()) pTrack = pPF->GsfTrk();
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if(pTrack == 0 ) continue;
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if( ((pPF->HasTrackerTrk() && (fabs(pPF->TrackerTrk()->DzCorrected(*iVertex))<iDZCut)) ||
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(pPF->HasGsfTrk() && (fabs(pPF->GsfTrk()->DzCorrected(*iVertex)) <iDZCut)))) continue;
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lVec -= pPF->Mom();
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lSumEt += pPF->Pt();
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}
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for(UInt_t i0 = 0; i0 < iJets->GetEntries(); i0++) {
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const PFJet *pJet = iJets->At(i0);
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if(fJetIDMVA->correctedPt(pJet,iJetCorrector,iPileupEnergyDensity) < fJetIDMVA->fJetPtMin
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&& pJet->TrackCountingHighEffBJetTagsDisc() == -100) continue; //This line is a bug in the Met training//
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if(!JetTools::passPFLooseId(pJet)) continue;
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if(!filter(pJet,iPhi1,iEta1,iPhi2,iEta2)) continue; //Quick cleaning
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if(fJetIDMVA->pass(pJet,iVertex,iJetCorrector,iPileupEnergyDensity)) continue;
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addNeut(pJet,lVec,lSumEt,iJetCorrector,iPileupEnergyDensity);
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}
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Met lMet(lVec.Px(),lVec.Py());
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lMet.SetSumEt(lSumEt);
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return lMet;
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}
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//--------------------------------------------------------------------------------------------------
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Met RecoilTools::PURecoil(Double_t iVisPt,Double_t iVisPhi,Double_t iVisSumEt,
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const PFJetCol *iJets,FactorizedJetCorrector *iJetCorrector,
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const PileupEnergyDensityCol *iPileupEnergyDensity,
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const PFCandidateCol *iCands,const Vertex *iVertex,
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Double_t iPhi1,Double_t iEta1,Double_t iPhi2,Double_t iEta2,
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Double_t iDZCut) {
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Met lPUMet = PUMet(iJets,iJetCorrector,iPileupEnergyDensity,iCands,iVertex,iPhi1,iEta1,iPhi2,iEta2,iDZCut);
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lPUMet.SetMex (lPUMet.Mex()+iVisPt*cos(iVisPhi));
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lPUMet.SetMey (lPUMet.Mey()+iVisPt*sin(iVisPhi));
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lPUMet.SetSumEt(lPUMet.SumEt()-iVisSumEt);
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return lPUMet;
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}
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