1 // $Id: AliAnalysisTaskEmcalJet.cxx 56756 2012-05-30 05:03:02Z loizides $
3 // Emcal jet analysis base task.
7 #include "AliAnalysisTaskEmcalJet.h"
10 #include <TClonesArray.h>
14 #include "AliAnalysisManager.h"
15 #include "AliCentrality.h"
16 #include "AliEMCALGeometry.h"
17 #include "AliESDEvent.h"
18 #include "AliEmcalJet.h"
20 #include "AliRhoParameter.h"
21 #include "AliVCluster.h"
22 #include "AliVEventHandler.h"
23 #include "AliVParticle.h"
25 ClassImp(AliAnalysisTaskEmcalJet)
27 //________________________________________________________________________
28 AliAnalysisTaskEmcalJet::AliAnalysisTaskEmcalJet() :
29 AliAnalysisTaskEmcal("AliAnalysisTaskEmcalJet"),
44 // Default constructor.
47 //________________________________________________________________________
48 AliAnalysisTaskEmcalJet::AliAnalysisTaskEmcalJet(const char *name, Bool_t histo) :
49 AliAnalysisTaskEmcal(name, histo),
64 // Standard constructor.
67 //________________________________________________________________________
68 AliAnalysisTaskEmcalJet::~AliAnalysisTaskEmcalJet()
73 //________________________________________________________________________
74 Bool_t AliAnalysisTaskEmcalJet::AcceptBiasJet(AliEmcalJet *jet) const
76 // Accept jet with a bias.
78 if (jet->MaxTrackPt() < fPtBiasJetTrack && (fAnaType == kTPC || jet->MaxClusterPt() < fPtBiasJetClus))
84 //________________________________________________________________________
85 Bool_t AliAnalysisTaskEmcalJet::AcceptJet(AliEmcalJet *jet, Bool_t bias, Bool_t upCut) const
87 // Return true if jet is accepted.
89 if (jet->Pt() <= fJetPtCut)
91 if (jet->Area() <= fJetAreaCut)
93 if (bias && !AcceptBiasJet(jet))
95 if (upCut && (jet->MaxTrackPt() > fMaxTrackPt || jet->MaxClusterPt() > fMaxClusterPt))
98 return (Bool_t)(jet->Eta() > fMinEta && jet->Eta() < fMaxEta && jet->Phi() > fMinPhi && jet->Phi() < fMaxPhi);
101 //________________________________________________________________________
102 AliRhoParameter *AliAnalysisTaskEmcalJet::GetRhoFromEvent(const char *name)
104 // Get rho from event.
106 AliRhoParameter *rho = 0;
108 if (!sname.IsNull()) {
109 rho = dynamic_cast<AliRhoParameter*>(InputEvent()->FindListObject(sname));
111 AliWarning(Form("%s: Could not retrieve rho with name %s!", GetName(), name));
118 //________________________________________________________________________
119 void AliAnalysisTaskEmcalJet::Init()
121 // Init the analysis.
123 if (fAnaType == kTPC) {
124 SetEtaLimits(-0.9 + fJetRadius, 0.9 - fJetRadius);
125 SetPhiLimits(-10, 10);
126 } else if (fAnaType == kEMCAL) {
127 AliEMCALGeometry *geom = AliEMCALGeometry::GetInstance();
129 SetEtaLimits(geom->GetArm1EtaMin() + fJetRadius, geom->GetArm1EtaMax() - fJetRadius);
130 SetPhiLimits(geom->GetArm1PhiMin() * TMath::DegToRad() + fJetRadius, geom->GetArm1PhiMax() * TMath::DegToRad() - fJetRadius);
133 AliWarning(Form("%s: Can not create geometry", GetName()));
136 AliWarning(Form("%s: Analysis type not recognized! Assuming kTPC!", GetName()));
144 //________________________________________________________________________
145 Bool_t AliAnalysisTaskEmcalJet::IsJetCluster(AliEmcalJet* jet, Int_t iclus, Bool_t sorted) const
147 // Return true if cluster is in jet.
149 for (Int_t i = 0; i < jet->GetNumberOfClusters(); ++i) {
150 Int_t ijetclus = jet->ClusterAt(i);
151 if (sorted && ijetclus > iclus)
153 if (ijetclus == iclus)
159 //________________________________________________________________________
160 Bool_t AliAnalysisTaskEmcalJet::IsJetTrack(AliEmcalJet* jet, Int_t itrack, Bool_t sorted) const
162 // Return true if track is in jet.
164 for (Int_t i = 0; i < jet->GetNumberOfTracks(); ++i) {
165 Int_t ijettrack = jet->TrackAt(i);
166 if (sorted && ijettrack > itrack)
168 if (ijettrack == itrack)
174 //________________________________________________________________________
175 Bool_t AliAnalysisTaskEmcalJet::RetrieveEventObjects()
177 // Retrieve objects from event.
179 if (!AliAnalysisTaskEmcal::RetrieveEventObjects())
182 if (!fJetsName.IsNull() && !fJets) {
183 fJets = dynamic_cast<TClonesArray*>(InputEvent()->FindListObject(fJetsName));
185 AliError(Form("%s: Could not retrieve jets %s!", GetName(), fJetsName.Data()));
188 else if (!fJets->GetClass()->GetBaseClass("AliEmcalJet")) {
189 AliError(Form("%s: Collection %s does not contain AliEmcalJet objects!", GetName(), fJetsName.Data()));