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// $Id: PhotonIDMod.cc,v 1.15 2010/07/06 08:33:16 sixie Exp $
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#include "MitPhysics/Mods/interface/PhotonIDMod.h"
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#include "MitAna/DataTree/interface/PhotonCol.h"
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#include "MitPhysics/Init/interface/ModNames.h"
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using namespace mithep;
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ClassImp(mithep::PhotonIDMod)
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//--------------------------------------------------------------------------------------------------
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PhotonIDMod::PhotonIDMod(const char *name, const char *title) :
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BaseMod(name,title),
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fPhotonBranchName(Names::gkPhotonBrn),
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fGoodPhotonsName(ModNames::gkGoodPhotonsName),
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fPhotonIDType("Custom"),
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fPhotonIsoType("Custom"),
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fPhotonPtMin(15.0),
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fHadOverEmMax(0.02),
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fApplySpikeRemoval(kFALSE),
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fApplyPixelSeed(kTRUE),
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fPhotonR9Min(0.5),
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fPhIdType(kIdUndef),
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fPhIsoType(kIsoUndef),
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fFiduciality(kTRUE),
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fEtaWidthEB(0.01),
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fEtaWidthEE(0.028),
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fAbsEtaMax(2.5),
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fApplyR9Min(kFALSE),
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fPhotons(0)
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{
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// Constructor.
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}
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//--------------------------------------------------------------------------------------------------
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void PhotonIDMod::Process()
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{
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// Process entries of the tree.
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LoadEventObject(fPhotonBranchName, fPhotons);
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PhotonOArr *GoodPhotons = new PhotonOArr;
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GoodPhotons->SetName(fGoodPhotonsName);
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for (UInt_t i=0; i<fPhotons->GetEntries(); ++i) {
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const Photon *ph = fPhotons->At(i);
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if (ph->Pt() <= fPhotonPtMin)
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continue;
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Bool_t passSpikeRemovalFilter = kTRUE;
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if (ph->SCluster() && ph->SCluster()->Seed()) {
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if(ph->SCluster()->Seed()->Energy() > 5.0 &&
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ph->SCluster()->Seed()->EMax() / ph->SCluster()->Seed()->E3x3() > 0.95
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) {
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passSpikeRemovalFilter = kFALSE;
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}
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}
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// For Now Only use the EMax/E3x3 prescription.
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//if(ph->SCluster()->Seed()->Energy() > 5.0 &&
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// (1 - (ph->SCluster()->Seed()->E1x3() + ph->SCluster()->Seed()->E3x1() - 2*ph->SCluster()->Seed()->EMax())) > 0.95
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// ) {
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// passSpikeRemovalFilter = kFALSE;
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//}
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if (fApplySpikeRemoval && !passSpikeRemovalFilter) continue;
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if (ph->HadOverEm() >= fHadOverEmMax)
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continue;
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if (fApplyPixelSeed == kTRUE &&
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ph->HasPixelSeed() == kTRUE)
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continue;
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Bool_t idcut = kFALSE;
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switch (fPhIdType) {
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case kTight:
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idcut = ph->IsTightPhoton();
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break;
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case kLoose:
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idcut = ph->IsLoosePhoton();
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break;
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case kLooseEM:
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idcut = ph->IsLooseEM();
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break;
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case kCustomId:
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idcut = kTRUE;
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default:
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break;
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}
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if (!idcut)
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continue;
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Bool_t isocut = kFALSE;
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switch (fPhIsoType) {
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case kNoIso:
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isocut = kTRUE;
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break;
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case kCombinedIso:
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{
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Double_t totalIso = ph->HollowConeTrkIsoDr04()+
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ph->EcalRecHitIsoDr04() +
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ph->HcalTowerSumEtDr04();
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if (totalIso/ph->Pt() < 0.25)
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isocut = kTRUE;
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}
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break;
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case kCustomIso:
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{
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if ( ph->HollowConeTrkIsoDr04() < (1.5 + 0.001*ph->Pt()) && ph->EcalRecHitIsoDr04()<(2.0+0.006*ph->Pt()) && ph->HcalTowerSumEtDr04()<(2.0+0.0025*ph->Pt()) )
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isocut = kTRUE;
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}
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default:
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break;
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}
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if (!isocut)
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continue;
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if ( fApplyR9Min && ph->R9() <= fPhotonR9Min)
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continue;
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if (fFiduciality == kTRUE &&
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ph->IsEB() == kFALSE && ph->IsEE() == kFALSE)
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continue;
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if ((ph->IsEB() == kTRUE && ph->CoviEtaiEta() >= fEtaWidthEB) ||
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(ph->IsEE() == kTRUE && ph->CoviEtaiEta() >= fEtaWidthEE))
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continue;
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if (ph->AbsEta() >= fAbsEtaMax)
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continue;
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// add good electron
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GoodPhotons->Add(fPhotons->At(i));
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}
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// sort according to pt
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GoodPhotons->Sort();
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// add to event for other modules to use
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AddObjThisEvt(GoodPhotons);
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}
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//--------------------------------------------------------------------------------------------------
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void PhotonIDMod::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 just request the photon collection branch.
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ReqEventObject(fPhotonBranchName, fPhotons, kTRUE);
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if (fPhotonIDType.CompareTo("Tight") == 0)
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fPhIdType = kTight;
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else if (fPhotonIDType.CompareTo("Loose") == 0)
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fPhIdType = kLoose;
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else if (fPhotonIDType.CompareTo("LooseEM") == 0)
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fPhIdType = kLooseEM;
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else if (fPhotonIDType.CompareTo("Custom") == 0) {
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fPhIdType = kCustomId;
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} else {
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SendError(kAbortAnalysis, "SlaveBegin",
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"The specified photon identification %s is not defined.",
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fPhotonIDType.Data());
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return;
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}
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if (fPhotonIsoType.CompareTo("NoIso") == 0 )
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fPhIsoType = kNoIso;
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else if (fPhotonIsoType.CompareTo("CombinedIso") == 0 )
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fPhIsoType = kCombinedIso;
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else if (fPhotonIsoType.CompareTo("Custom") == 0 ) {
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fPhIsoType = kCustomIso;
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} else {
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SendError(kAbortAnalysis, "SlaveBegin",
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"The specified photon isolation %s is not defined.",
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fPhotonIsoType.Data());
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return;
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}
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}
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