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// $Id: PhotonIDMod.cc,v 1.3 2008/12/03 10:19:13 loizides Exp $
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#include "MitPhysics/Mods/interface/PhotonIDMod.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("Tight"),
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fPhotonIsoType("CombinedIso"),
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fPhotonPtMin(15.0),
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fHadOverEmMax(0.05),
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fApplyPixelSeed(kTRUE),
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fPhotons(0),
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fPhIdType(kIdUndef),
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fPhIsoType(kIsoUndef)
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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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LoadBranch(fPhotonBranchName);
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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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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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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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isocut = ph->HollowConeTrkIso() +
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ph->HcalRecHitIso() < 7.0;
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break;
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case kCustomIso:
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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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// 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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ReqBranch(fPhotonBranchName, fPhotons);
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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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SendError(kWarning, "SlaveBegin",
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"Custom photon identification is not yet implemented.");
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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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SendError(kWarning, "SlaveBegin",
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"Custom photon isolation is not yet implemented.");
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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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