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// $Id: PhotonPlusIsoTrackSelMod.cc,v 1.2 2009/06/15 15:00:22 loizides Exp $
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#include "MitPhysics/SelMods/interface/PhotonPlusIsoTrackSelMod.h"
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#include "MitPhysics/Utils/interface/IsolationTools.h"
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#include "MitCommon/MathTools/interface/MathUtils.h"
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#include "MitAna/DataTree/interface/PhotonCol.h"
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#include "MitAna/DataTree/interface/TrackCol.h"
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#include <TH1D.h>
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using namespace mithep;
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ClassImp(mithep::PhotonPlusIsoTrackSelMod)
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//--------------------------------------------------------------------------------------------------
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mithep::PhotonPlusIsoTrackSelMod::PhotonPlusIsoTrackSelMod(const char *name, const char *title) :
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BaseSelMod(name,title),
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fPhotonColName("SetMe"),
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fTrackerTrackColName("SetMe"),
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fGsfTrackColName("SetMe"),
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fPhotonPtMin(0),
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fPhotonPtMax(5000),
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fPhotonEtaMin(-10),
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fPhotonEtaMax(10),
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fTrackPtMin(0),
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fTrackPtMax(5000),
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fTrackEtaMin(-10),
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fTrackEtaMax(10),
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fPhotonCol(0),
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fTrackerTrackCol(0),
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fGsfTrackCol(0)
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{
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// Constructor.
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}
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//--------------------------------------------------------------------------------------------------
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void mithep::PhotonPlusIsoTrackSelMod::Process()
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{
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// Process entries of the tree.
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//load the track branches
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LoadBranch(GetTrackerTrackColName());
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LoadBranch(GetGsfTrackColName());
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fNAccCounters->Fill(0);
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fPhotonCol = GetObjThisEvt<Collection<Photon> >(GetPhotonColName());
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if (!fPhotonCol ) {
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this->SendError(kAbortModule, "Process",
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"Could not obtain collection with name %s!", GetPhotonColName());
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return;
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}
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if (!fPhotonCol && !fGsfTrackCol) {
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this->SendError(kAbortModule, "Process",
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"Could not obtain either collections with names %s , %s!",
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GetTrackerTrackColName(), GetGsfTrackColName());
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return;
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}
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fNAccCounters->Fill(1);
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UInt_t PhotonCounter = 0;
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for(UInt_t i=0;i<fPhotonCol->GetEntries();++i) {
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if (fPhotonCol->At(i)->Pt() >= fPhotonPtMin &&
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fPhotonCol->At(i)->Pt() <= fPhotonPtMax &&
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fPhotonCol->At(i)->Eta() >= fPhotonEtaMin &&
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fPhotonCol->At(i)->Eta() <= fPhotonEtaMax)
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PhotonCounter++;
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}
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if (PhotonCounter == 0) {
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this->SkipEvent();
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return;
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}
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fNAccCounters->Fill(2);
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UInt_t TrackCounter = 0;
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for(UInt_t i=0;i<fTrackerTrackCol->GetEntries();++i) {
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const Track *trk = fTrackerTrackCol->At(i);
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if (trk->Pt() >= fTrackPtMin &&
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trk->Pt() <= fTrackPtMax &&
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trk->Eta() >= fTrackEtaMin &&
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trk->Eta() <= fTrackEtaMax) {
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Double_t iso = IsolationTools::TrackIsolation(trk,0.3, 0.015,1.0,1000.0,fTrackerTrackCol);
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if (iso < 10.0) {
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//require that the track is not the same object as one of the leptons
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if (MathUtils::DeltaR(trk->Phi(), trk->Eta(),
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fPhotonCol->At(0)->Phi(), fPhotonCol->At(0)->Eta()) >= 0.3)
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TrackCounter++;
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}
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}
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}
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for(UInt_t i=0;i<fGsfTrackCol->GetEntries();++i) {
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const Track *trk = fGsfTrackCol->At(i);
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if (trk->Pt() >= fTrackPtMin &&
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trk->Pt() <= fTrackPtMax &&
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trk->Eta() >= fTrackEtaMin &&
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trk->Eta() <= fTrackEtaMax) {
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Double_t iso = IsolationTools::TrackIsolation(trk,0.3, 0.015,1.0,1000.0,fTrackerTrackCol);
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if (iso < 10.0) {
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if (MathUtils::DeltaR(trk->Phi(), trk->Eta(),
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fPhotonCol->At(0)->Phi(), fPhotonCol->At(0)->Eta()) >= 0.3)
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TrackCounter++;
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}
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}
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}
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if (TrackCounter == 0) {
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this->SkipEvent();
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return;
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}
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fNAccCounters->Fill(3);
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}
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//--------------------------------------------------------------------------------------------------
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void mithep::PhotonPlusIsoTrackSelMod::SlaveBegin()
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{
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// Setup acceptence histogram.
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ReqBranch(GetTrackerTrackColName(), fTrackerTrackCol);
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ReqBranch(GetGsfTrackColName(), fGsfTrackCol);
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AddTH1(fNAccCounters,"hNAccCounters",";cut;#",5,-0.5,4.5);
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if (1) {
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TAxis *xa = fNAccCounters->GetXaxis();
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for(Int_t i=1;i<=fNAccCounters->GetNbinsX();++i)
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xa->SetBinLabel(i,"unused");
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xa->SetBinLabel(1,"Enter");
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xa->SetBinLabel(2,"Objs");
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xa->SetBinLabel(3,"AtLeastOnePhoton");
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xa->SetBinLabel(4,"IsolatedTrack");
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xa->SetRangeUser(0,3);
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}
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}
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