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// $Id: MuonTools.cc,v 1.8 2009/03/23 14:48:08 loizides Exp $
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#include "MitPhysics/Utils/interface/MuonTools.h"
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#include <TFile.h>
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using namespace mithep;
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//--------------------------------------------------------------------------------------------------
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MuonTools::MuonTools(const char *mutemp, const char *pitemp) :
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fIsInit(kFALSE),
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fmuon_em_etaEmi(0),
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fmuon_had_etaEmi(0),
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fmuon_had_etaTmi(0),
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fmuon_em_etaB(0),
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fmuon_had_etaB(0),
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fmuon_ho_etaB(0),
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fmuon_had_etaTpl(0),
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fmuon_em_etaEpl(0),
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fmuon_had_etaEpl(0),
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fpion_em_etaEmi(0),
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fpion_had_etaEmi(0),
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fpion_had_etaTmi(0),
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fpion_em_etaB(0),
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fpion_had_etaB(0),
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fpion_ho_etaB(0),
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fpion_had_etaTpl(0),
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fpion_em_etaEpl(0),
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fpion_had_etaEpl(0)
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{
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// Constructor.
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if (mutemp && pitemp)
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Init(mutemp, pitemp);
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}
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//--------------------------------------------------------------------------------------------------
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MuonTools::~MuonTools()
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{
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// Destructor.
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DeleteHistos();
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}
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//--------------------------------------------------------------------------------------------------
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void MuonTools::DeleteHistos()
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{
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// Delete histograms.
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if (fIsInit) {
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delete fpion_em_etaEmi;
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delete fpion_had_etaEmi;
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delete fpion_had_etaTmi;
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delete fpion_em_etaB;
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delete fpion_had_etaB;
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delete fpion_ho_etaB;
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delete fpion_had_etaTpl;
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delete fpion_em_etaEpl;
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delete fpion_had_etaEpl;
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delete fmuon_em_etaEmi;
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delete fmuon_had_etaEmi;
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delete fmuon_had_etaTmi;
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delete fmuon_em_etaB;
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delete fmuon_had_etaB;
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delete fmuon_ho_etaB;
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delete fmuon_had_etaTpl;
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delete fmuon_em_etaEpl;
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delete fmuon_had_etaEpl;
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fpion_em_etaEmi = 0;
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fpion_had_etaEmi = 0;
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fpion_had_etaTmi = 0;
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fpion_em_etaB = 0;
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fpion_had_etaB = 0;
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fpion_ho_etaB = 0;
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fpion_had_etaTpl = 0;
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fpion_em_etaEpl = 0;
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fpion_had_etaEpl = 0;
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fmuon_em_etaEmi = 0;
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fmuon_had_etaEmi = 0;
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fmuon_had_etaTmi = 0;
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fmuon_em_etaB = 0;
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fmuon_had_etaB = 0;
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fmuon_ho_etaB = 0;
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fmuon_had_etaTpl = 0;
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fmuon_em_etaEpl = 0;
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fmuon_had_etaEpl = 0;
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fIsInit = kFALSE;
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}
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}
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//--------------------------------------------------------------------------------------------------
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Double_t MuonTools::GetCaloCompatability(const Muon *iMuon,
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Bool_t iEMSpecial, Bool_t iCorrectedHCAL) const
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{
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// Get calo compatibility value for given muon based on calorimeter templates.
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// If iEMSpecial is true, then a use different arrangement of ECAL for compatibility.
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Double_t lEta = iMuon->Eta();
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Double_t aEta = TMath::Abs(lEta);
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if (aEta > 2.5)
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return 0.5;
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Double_t lP = iMuon->P();
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if (lP >= 2000.)
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lP = 1999.9;
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if(lP < 0. )
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return 0.5;
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Double_t lEM = -5.;
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if (!iEMSpecial || iMuon->EmEnergy() != 0.)
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lEM = iMuon->EmEnergy();
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Double_t lHad = iMuon->HadEnergy();
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Double_t lHO = iMuon->HoEnergy();;
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TH2D *lTMuonHad = 0;
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TH2D *lTPionHad = 0;
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TH2D *lTMuonHo = 0;
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TH2D *lTPionHo = 0;
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TH2D *lTMuonEm = 0;
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TH2D *lTPionEm = 0;
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if (aEta >= 1.27) {
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if (iCorrectedHCAL)
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lHad *= 1.8/2.2;
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if (lEta > 0) {
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lTPionHad = fpion_had_etaEpl;
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lTMuonHad = fmuon_had_etaEpl;
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} else {
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lTPionHad = fpion_had_etaEmi;
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lTMuonHad = fmuon_had_etaEmi;
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}
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}
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if (aEta < 1.27 && aEta >= 1.1) {
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if (iCorrectedHCAL)
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lHad *= (1.8/(-2.2*aEta+5.5));
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if (lEta > 0) {
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lTPionHad = fpion_had_etaTpl;
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lTMuonHad = fmuon_had_etaTpl;
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} else {
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lTPionHad = fpion_had_etaTmi;
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lTMuonHad = fmuon_had_etaTmi;
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}
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}
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if (aEta < 1.1) {
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if(iCorrectedHCAL)
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lHad *= TMath::Sin(2*TMath::ATan(TMath::Exp(lEta)));
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lTPionHad = fpion_had_etaB;
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lTMuonHad = fmuon_had_etaB;
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}
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if (lEta > 1.479) {
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lTPionEm = fpion_em_etaEpl;
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lTMuonEm = fmuon_em_etaEpl;
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}
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if (aEta <= 1.479) {
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lTPionEm = fpion_em_etaB;
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lTMuonEm = fmuon_em_etaB;
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}
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if (lEta < -1.479) {
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lTPionEm = fpion_em_etaEmi;
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lTMuonEm = fmuon_em_etaEmi;
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}
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if (aEta < 1.28) {
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lTPionHo = fpion_ho_etaB;
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lTMuonHo = fmuon_ho_etaB;
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}
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Double_t lPBX = 1.;
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Double_t lPSX = 1.;
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Double_t lPBY = 1.;
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Double_t lPSY = 1.;
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Double_t lPBZ = 1.;
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Double_t lPSZ = 1.;
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if (!Overflow(lTPionEm, lP,lEM))
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lPBX = lTPionEm ->GetBinContent(lTPionEm ->GetXaxis()->FindBin(lP),
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lTPionEm ->GetYaxis()->FindBin(lEM));
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if (!Overflow(lTPionHad,lP,lHad))
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lPBY = lTPionHad->GetBinContent(lTPionHad->GetXaxis()->FindBin(lP),
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lTPionHad->GetYaxis()->FindBin(lHad));
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if (!Overflow(lTPionHo, lP,lHO))
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lPBZ = lTPionHo ->GetBinContent(lTPionHo ->GetXaxis()->FindBin(lP),
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lTPionHo ->GetYaxis()->FindBin(lHO));
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if (!Overflow(lTMuonEm, lP,lEM ))
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lPSX = lTMuonEm ->GetBinContent(lTMuonEm ->GetXaxis()->FindBin(lP),
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lTMuonEm ->GetYaxis()->FindBin(lEM));
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if (!Overflow(lTMuonHad,lP,lHad))
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lPSY = lTMuonHad->GetBinContent(lTMuonHad->GetXaxis()->FindBin(lP),
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lTMuonHad->GetYaxis()->FindBin(lHad));
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if (!Overflow(lTMuonHo ,lP,lHO))
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lPSZ = lTMuonHo ->GetBinContent(lTMuonHo ->GetXaxis()->FindBin(lP),
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lTMuonHo ->GetYaxis()->FindBin(lHO));
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if (lPSX == 0. || lPBX == 0. || (lEM <= 0. && !iEMSpecial)) {
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lPSX = 1.;
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lPBX = 1.;
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}
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if (lPSY == 0. || lPBY == 0. || lHad == 0.) {
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lPSY = 1.;
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lPBY = 1.;
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}
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if (lPSZ == 0. || lPBZ == 0. || lHO == 0.) {
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lPSZ = 1.;
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lPBZ = 1.;
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}
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if ((lPSX*lPSY*lPSZ+lPBX*lPBY*lPBZ) > 0.)
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return lPSX*lPSY*lPSZ/(lPSX*lPSY*lPSZ+lPBX*lPBY*lPBZ);
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return 0.5;
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}
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//--------------------------------------------------------------------------------------------------
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Bool_t MuonTools::Init(const char *mutemp, const char *pitemp)
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{
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// Read histograms from given files.
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if (fIsInit) {
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DeleteHistos();
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}
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TDirectory::TContext context(0);
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TFile *muon_templates = TFile::Open(mutemp);
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if (!muon_templates) {
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Fatal("Init", "Could not open file %s", mutemp);
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return kFALSE;
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}
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fmuon_em_etaEmi = LoadHisto("em_etaEmi", muon_templates);
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fmuon_had_etaEmi = LoadHisto("had_etaEmi", muon_templates);
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fmuon_had_etaTmi = LoadHisto("had_etaTmi", muon_templates);
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fmuon_em_etaB = LoadHisto("em_etaB", muon_templates);
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fmuon_had_etaB = LoadHisto("had_etaB", muon_templates);
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fmuon_ho_etaB = LoadHisto("ho_etaB", muon_templates);
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fmuon_had_etaTpl = LoadHisto("had_etaTpl", muon_templates);
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fmuon_em_etaEpl = LoadHisto("em_etaEpl", muon_templates);
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fmuon_had_etaEpl = LoadHisto("had_etaEpl", muon_templates);
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muon_templates->Close();
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delete muon_templates;
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TFile *pion_templates = TFile::Open(pitemp);
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if (!pion_templates) {
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Fatal("Init", "Could not open file %s", pitemp);
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return kFALSE;
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}
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fpion_em_etaEmi = LoadHisto("em_etaEmi", pion_templates);
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fpion_had_etaEmi = LoadHisto("had_etaEmi", pion_templates);
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fpion_had_etaTmi = LoadHisto("had_etaTmi", pion_templates);
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fpion_em_etaB = LoadHisto("em_etaB", pion_templates);
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fpion_had_etaB = LoadHisto("had_etaB", pion_templates);
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fpion_ho_etaB = LoadHisto("ho_etaB", pion_templates);
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fpion_had_etaTpl = LoadHisto("had_etaTpl", pion_templates);
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fpion_em_etaEpl = LoadHisto("em_etaEpl", pion_templates);
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fpion_had_etaEpl = LoadHisto("had_etaEpl", pion_templates);
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pion_templates->Close();
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delete pion_templates;
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fIsInit = kTRUE;
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return kTRUE;
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}
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//--------------------------------------------------------------------------------------------------
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Bool_t MuonTools::IsGood(const mithep::Muon *iMuon, ESelType iSel) const
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{
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// Return true if given muon qualifies given selection criterium.
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Double_t tm2dcut = 0.;
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switch(iSel) {
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case kAllArbitrated:
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if (iMuon->StandaloneTrk() != 0 || iMuon->GlobalTrk()!= 0)
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return kTRUE;
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if (iMuon->NSegments() > 0)
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return kTRUE;
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break;
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case kPromptTight:
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return iMuon->PromptTight(Muon::kAny);
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break;
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case kTMOneStationLoose:
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return iMuon->TMOneStation(999999,999999);
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break;
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case kTMOneStationTight:
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return iMuon->TMOneStation();
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break;
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case kTMLastStationLoose:
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return iMuon->TMLastStation(999999,999999);
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break;
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case kTMLastStationTight:
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return iMuon->TMLastStation();
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break;
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case kTM2DCompatibilityLoose:
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tm2dcut = 0.7;
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break;
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case kTM2DCompatibilityTight:
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tm2dcut = 1.0;
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break;
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default:
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return kFALSE;
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break;
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}
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Double_t lVal = GetSegmentCompatability(iMuon);
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if (lVal == 0.5) // exclude this border case
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return kFALSE;
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lVal *= 1.2;
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lVal += 0.8*GetCaloCompatability(iMuon,kTRUE,kTRUE);
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if (lVal > tm2dcut)
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return kTRUE;
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return kFALSE;
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}
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//--------------------------------------------------------------------------------------------------
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Double_t MuonTools::GetSegmentCompatability(const mithep::Muon *iMuon) const
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{
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// Get segment compatability for given muon based on likelihood of well defined
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// track through chambers.
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Int_t lNStationsCrossed = 0;
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Int_t lNStationsSegment = 0;
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Int_t lStSegmentmatch[8];
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Int_t lStCrossed[8];
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Double_t lStBoundary[8];
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Double_t lWeight = 0.;
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Bool_t lAdjust = kTRUE;
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for (Int_t i0 = 0; i0 < 8; ++i0) {
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lStBoundary[i0] = 0.;
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if(iMuon->GetTrackDist(i0) < 999999. ) {
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lNStationsCrossed++;
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lStCrossed[i0] = 1;
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if (iMuon->GetTrackDist(i0) > -10. )
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lStBoundary[i0] = iMuon->GetTrackDist(i0);
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} else
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lStCrossed[i0] = 0;
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| 338 |
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| 339 |
if(iMuon->GetDX(i0) < 999999.) {
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lNStationsSegment++;
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lStSegmentmatch[i0] = 1;
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} else
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lStSegmentmatch[i0] = 0;
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| 344 |
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| 345 |
if(iMuon->GetDY(i0) < 999999.)
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lAdjust = kFALSE;
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}
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| 348 |
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| 349 |
if (lNStationsCrossed == 0)
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| 350 |
return 0.5;
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| 351 |
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| 352 |
Double_t lStWeight[8];
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| 353 |
Int_t lPCross = -1;
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| 354 |
const Double_t lAtWeight = 0.5;
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| 355 |
for (Int_t i0 = 0; i0< 8; ++i0) {
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| 356 |
lStWeight[i0] = 0;
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| 357 |
if (lStCrossed[i0] > 0) {
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| 358 |
lPCross++;
|
| 359 |
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| 360 |
switch (lNStationsCrossed) {
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| 361 |
case 1 :
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| 362 |
lStWeight[i0] = 1.;
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| 363 |
break;
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| 364 |
case 2 :
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| 365 |
if (lPCross == 0 )
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| 366 |
lStWeight[i0] = 0.33;
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| 367 |
else
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| 368 |
lStWeight[i0] = 0.67;
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| 369 |
break;
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| 370 |
case 3 :
|
| 371 |
if (lPCross == 0)
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| 372 |
lStWeight[i0] = 0.23;
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| 373 |
else if (lPCross == 1)
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| 374 |
lStWeight[i0] = 0.33;
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| 375 |
else
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| 376 |
lStWeight[i0] = 0.44;
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| 377 |
break;
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| 378 |
case 4 :
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| 379 |
if (lPCross == 0)
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| 380 |
lStWeight[i0] = 0.10;
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| 381 |
else if (lPCross == 1)
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| 382 |
lStWeight[i0] = 0.20;
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| 383 |
else if (lPCross == 2)
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| 384 |
lStWeight[i0] = 0.30;
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| 385 |
else
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| 386 |
lStWeight[i0] = 0.40;
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| 387 |
break;
|
| 388 |
default :
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| 389 |
lStWeight[i0] = 1./lNStationsCrossed;
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| 390 |
}
|
| 391 |
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| 392 |
if (lStSegmentmatch[i0] <= 0 && lStBoundary[i0] != 0.)
|
| 393 |
lStWeight[i0] *= lAtWeight*0.5*(TMath::Erf(lStBoundary[i0]/6.)+1.);
|
| 394 |
else if (lStSegmentmatch[i0] <= 0 && lStBoundary[i0] == 0)
|
| 395 |
lStWeight[i0] = 0.;
|
| 396 |
|
| 397 |
if (lStSegmentmatch[i0] > 0) {
|
| 398 |
Double_t lP2X = TMath::Power(iMuon->GetPullX(i0),2.);
|
| 399 |
Double_t lP2Y = TMath::Power(iMuon->GetPullY(i0),2.);
|
| 400 |
Double_t lD2X = TMath::Power(iMuon->GetDX(i0),2.);
|
| 401 |
Double_t lD2Y = TMath::Power(iMuon->GetDY(i0),2.);
|
| 402 |
if (iMuon->GetDY(i0) < 999999 && iMuon->GetDX(i0) < 999999)
|
| 403 |
lStWeight[i0] *= SigWeight(TMath::Sqrt(lD2X+lD2Y),TMath::Sqrt(lP2X+lP2Y));
|
| 404 |
else if (iMuon->GetDY(i0) >= 999999 && i0 < 4)
|
| 405 |
lStWeight[i0] *= SigWeight(iMuon->GetDX(i0),iMuon->GetPullX(i0));
|
| 406 |
else if(i0 < 4)
|
| 407 |
lStWeight[i0] *= SigWeight(iMuon->GetDY(i0),iMuon->GetPullY(i0));
|
| 408 |
}
|
| 409 |
}
|
| 410 |
lWeight += lStWeight[i0];
|
| 411 |
}
|
| 412 |
|
| 413 |
return lWeight;
|
| 414 |
}
|
| 415 |
|
| 416 |
//--------------------------------------------------------------------------------------------------
|
| 417 |
TH2D *MuonTools::LoadHisto(const char *name, TFile *file) const
|
| 418 |
{
|
| 419 |
// Load histogram with given name from given file and return it.
|
| 420 |
|
| 421 |
TH2D *ret = dynamic_cast<TH2D*>(file->Get(name));
|
| 422 |
if (!ret) {
|
| 423 |
Fatal("LoadHisto", "Could not load histogram %s from file %s", name, file->GetName());
|
| 424 |
return 0;
|
| 425 |
}
|
| 426 |
ret->SetDirectory(0);
|
| 427 |
return ret;
|
| 428 |
}
|
| 429 |
|
