3 // Class to make PicoTracks in AOD/ESD events.
5 // Author: S.Aiola, C.Loizides
7 #include <TClonesArray.h>
10 #include "AliAODEvent.h"
11 #include "AliAODTrack.h"
12 #include "AliAnalysisManager.h"
13 #include "AliESDtrack.h"
14 #include "AliESDtrackCuts.h"
16 #include "AliPicoTrack.h"
17 #include "AliVTrack.h"
18 #include "AliEmcalPicoTrackMaker.h"
20 ClassImp(AliEmcalPicoTrackMaker)
22 //________________________________________________________________________
23 AliEmcalPicoTrackMaker::AliEmcalPicoTrackMaker() :
24 AliAnalysisTaskSE("AliEmcalPicoTrackMaker"),
26 fTracksOutName("PicoTracks"),
27 fTracksInName("tracks"),
35 fAODfilterBits[0] = 0;
36 fAODfilterBits[1] = 0;
39 //________________________________________________________________________
40 AliEmcalPicoTrackMaker::AliEmcalPicoTrackMaker(const char *name) :
41 AliAnalysisTaskSE(name),
43 fTracksOutName("PicoTracks"),
44 fTracksInName("tracks"),
52 fAODfilterBits[0] = 0;
53 fAODfilterBits[1] = 0;
54 fBranchNames = "ESD:AliESDHeader.,AliESDRun.,SPDVertex.,Tracks";
57 //________________________________________________________________________
58 AliEmcalPicoTrackMaker::~AliEmcalPicoTrackMaker()
63 //________________________________________________________________________
64 void AliEmcalPicoTrackMaker::UserCreateOutputObjects()
66 // Create my user objects.
68 fTracksOut = new TClonesArray("AliPicoTrack");
69 fTracksOut->SetName(fTracksOutName);
72 //________________________________________________________________________
73 void AliEmcalPicoTrackMaker::UserExec(Option_t *)
75 // Main loop, called for each event.
77 AliAnalysisManager *am = AliAnalysisManager::GetAnalysisManager();
79 AliError("Manager zero, returning");
83 // retrieve tracks from input.
85 fTracksIn = dynamic_cast<TClonesArray*>(InputEvent()->FindListObject(fTracksInName));
87 AliError(Form("Could not retrieve tracks %s!", fTracksInName.Data()));
90 if (!fTracksIn->GetClass()->GetBaseClass("AliVParticle")) {
91 AliError(Form("%s: Collection %s does not contain AliVParticle objects!", GetName(), fTracksInName.Data()));
96 // add tracks to event if not yet there
97 if (!(InputEvent()->FindListObject(fTracksOutName))) {
98 InputEvent()->AddObject(fTracksOut);
101 // clear container (normally a null operation as the event should clean it already)
104 // test if we are in ESD or AOD mode
105 Bool_t esdMode = kTRUE;
106 if (dynamic_cast<AliAODEvent*>(InputEvent())!=0)
110 const Int_t Ntracks = fTracksIn->GetEntriesFast();
111 for (Int_t iTracks = 0, nacc = 0; iTracks < Ntracks; ++iTracks) {
113 AliVTrack *track = static_cast<AliVTrack*>(fTracksIn->At(iTracks));
118 if (track->Pt() > fMaxTrackPt)
121 Bool_t isEmc = kFALSE;
125 AliESDtrack *esdtrack = static_cast<AliESDtrack*>(track);
126 if (!fESDtrackCuts->AcceptTrack(esdtrack))
129 label = track->GetLabel();
130 isEmc = track->IsEMCAL();
132 AliAODTrack *aodtrack = static_cast<AliAODTrack*>(track);
133 if (aodtrack->TestFilterBit(fAODfilterBits[0]))
135 else if (aodtrack->TestFilterBit(fAODfilterBits[1]))
137 else /*not a good track*/
140 if (TMath::Abs(track->GetTrackEtaOnEMCal()) < 0.75 &&
141 track->GetTrackPhiOnEMCal() > 70 * TMath::DegToRad() &&
142 track->GetTrackPhiOnEMCal() < 190 * TMath::DegToRad())
146 if (fTrackEfficiency < 1) {
147 Double_t r = gRandom->Rndm();
148 if (fTrackEfficiency < r)
152 /*AliPicoTrack *picotrack =*/ new ((*fTracksOut)[nacc]) AliPicoTrack(track->Pt(),
157 track->GetTrackEtaOnEMCal(),
158 track->GetTrackPhiOnEMCal(),