]>
Commit | Line | Data |
---|---|---|
6c3efb37 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
16 | //_________________________________________________________________________ | |
f3299f82 | 17 | // An analysis task to check the PHOS/EMCAL simulated trigger |
6c3efb37 | 18 | // |
f3299f82 | 19 | //*-- Yves Schutz & Gustavo Conesa Balbastre |
6c3efb37 | 20 | ////////////////////////////////////////////////////////////////////////////// |
21 | ||
22 | #include <TChain.h> | |
23 | #include <TFile.h> | |
24 | #include <TNtuple.h> | |
25 | #include <TVector3.h> | |
26 | ||
f3299f82 | 27 | #include "AliAnaCaloTrigger.h" |
6c3efb37 | 28 | #include "AliESD.h" |
29 | #include "AliLog.h" | |
30 | ||
31 | //______________________________________________________________________________ | |
f3299f82 | 32 | AliAnaCaloTrigger::AliAnaCaloTrigger(const char *name) : |
6c3efb37 | 33 | AliAnalysisTask(name,""), |
34 | fChain(0), | |
35 | fESD(0), | |
36 | fOutputContainer(0), | |
f3299f82 | 37 | fCalorimeter("PHOS"), |
6c3efb37 | 38 | fNtTrigger22(0), |
39 | fNtTriggerNN(0) | |
40 | ||
41 | { | |
42 | // Constructor. | |
43 | // Input slot #0 works with an Ntuple | |
44 | DefineInput(0, TChain::Class()); | |
45 | // Output slot #0 writes into a TH1 container | |
46 | DefineOutput(0, TObjArray::Class()) ; | |
47 | } | |
48 | ||
49 | //______________________________________________________________________________ | |
f3299f82 | 50 | AliAnaCaloTrigger::~AliAnaCaloTrigger() |
6c3efb37 | 51 | { |
52 | // dtor | |
53 | fOutputContainer->Clear() ; | |
54 | delete fOutputContainer ; | |
55 | delete fNtTrigger22 ; | |
56 | delete fNtTriggerNN ; | |
57 | } | |
58 | ||
59 | ||
60 | //______________________________________________________________________________ | |
f3299f82 | 61 | void AliAnaCaloTrigger::ConnectInputData(const Option_t*) |
6c3efb37 | 62 | { |
63 | // Initialisation of branch container and histograms | |
64 | ||
65 | AliInfo(Form("*** Initialization of %s", GetName())) ; | |
66 | ||
67 | // Get input data | |
68 | fChain = dynamic_cast<TChain *>(GetInputData(0)) ; | |
69 | if (!fChain) { | |
70 | AliError(Form("Input 0 for %s not found\n", GetName())); | |
71 | return ; | |
72 | } | |
73 | ||
74 | // One should first check if the branch address was taken by some other task | |
75 | char ** address = (char **)GetBranchAddress(0, "ESD"); | |
76 | if (address) { | |
77 | fESD = (AliESD*)(*address); | |
78 | } else { | |
79 | fESD = new AliESD(); | |
80 | SetBranchAddress(0, "ESD", &fESD); | |
81 | } | |
82 | } | |
83 | ||
84 | //________________________________________________________________________ | |
85 | ||
f3299f82 | 86 | void AliAnaCaloTrigger::CreateOutputObjects() |
6c3efb37 | 87 | { |
88 | ||
89 | // create histograms | |
f3299f82 | 90 | fNtTrigger22 = new TNtuple(fCalorimeter+"trigger22", "Trigger data 2x2 patch", "a22:a220:enMax:phEnMax:eta22:phi22:etaMax:phiMax:phEtaMax:phPhiMax"); |
91 | fNtTriggerNN = new TNtuple(fCalorimeter+"triggerNN", "Trigger data NxN patch", "aNN:aNN0:enMax:phEnMax:etaNN:phiNN:etaMax:phiMax:phEtaMax:phPhiMax"); | |
6c3efb37 | 92 | |
93 | // create output container | |
94 | ||
95 | fOutputContainer = new TObjArray(2) ; | |
96 | fOutputContainer->SetName(GetName()) ; | |
97 | ||
98 | fOutputContainer->AddAt(fNtTrigger22, 0) ; | |
99 | fOutputContainer->AddAt(fNtTriggerNN, 1) ; | |
100 | ||
101 | } | |
102 | ||
103 | //______________________________________________________________________________ | |
f3299f82 | 104 | void AliAnaCaloTrigger::Exec(Option_t *) |
6c3efb37 | 105 | { |
106 | // Processing of one event | |
107 | ||
108 | Long64_t entry = fChain->GetReadEntry() ; | |
109 | ||
110 | if (!fESD) { | |
111 | AliError("fESD is not connected to the input!") ; | |
112 | return ; | |
113 | } | |
114 | ||
115 | if ( !((entry-1)%100) ) | |
116 | AliInfo(Form("%s ----> Processing event # %lld", (dynamic_cast<TChain *>(fChain))->GetFile()->GetName(), entry)) ; | |
117 | ||
f3299f82 | 118 | // Get trigger information of fCalorimeter |
119 | TArrayF * triggerAmplitudes = 0x0 ; | |
120 | TArrayF * triggerPosition = 0x0 ; | |
121 | Int_t firstCaloCluster = 0 ; | |
122 | Int_t numberOfCaloClusters = 0 ; | |
123 | ||
124 | if(fCalorimeter == "PHOS"){ | |
125 | triggerAmplitudes = fESD->GetPHOSTriggerAmplitudes(); | |
126 | triggerPosition = fESD->GetPHOSTriggerPosition(); | |
127 | firstCaloCluster = fESD->GetFirstPHOSCluster() ; | |
128 | numberOfCaloClusters = fESD->GetNumberOfPHOSClusters() ; | |
129 | } | |
130 | else if(fCalorimeter == "EMCAL"){ | |
131 | triggerAmplitudes = fESD->GetEMCALTriggerAmplitudes(); | |
132 | triggerPosition = fESD->GetEMCALTriggerPosition(); | |
133 | firstCaloCluster = fESD->GetFirstEMCALCluster() ; | |
134 | numberOfCaloClusters = fESD->GetNumberOfEMCALClusters() ; | |
135 | } | |
6c3efb37 | 136 | |
137 | // trigger amplitudes | |
6c3efb37 | 138 | const Float_t a22 = static_cast<Float_t>(triggerAmplitudes->At(0)) ; |
139 | const Float_t a22O = static_cast<Float_t>(triggerAmplitudes->At(1)) ; | |
140 | const Float_t aNN = static_cast<Float_t>(triggerAmplitudes->At(2)) ; | |
141 | const Float_t aNNO = static_cast<Float_t>(triggerAmplitudes->At(3)) ; | |
142 | ||
143 | // trigger position | |
4c0b6461 | 144 | const Float_t x22 = static_cast<Float_t>(triggerPosition->At(0)) ; |
145 | const Float_t y22 = static_cast<Float_t>(triggerPosition->At(1)) ; | |
146 | const Float_t z22 = static_cast<Float_t>(triggerPosition->At(2)) ; | |
147 | const Float_t xNN = static_cast<Float_t>(triggerPosition->At(3)) ; | |
148 | const Float_t yNN = static_cast<Float_t>(triggerPosition->At(4)) ; | |
149 | const Float_t zNN = static_cast<Float_t>(triggerPosition->At(5)) ; | |
6c3efb37 | 150 | |
f3299f82 | 151 | |
6c3efb37 | 152 | |
153 | Float_t enMax = 0. ; | |
154 | Float_t phEnMax = 0. ; | |
4c0b6461 | 155 | Float_t etaMax = 0.5 ; |
156 | Float_t phiMax = 0. ; | |
157 | Float_t phEtaMax = 0.5 ; | |
158 | Float_t phPhiMax = 0. ; | |
159 | ||
160 | TVector3 vpos22(x22, y22, z22) ; | |
161 | TVector3 vposNN(xNN, yNN, zNN) ; | |
162 | Float_t eta22 = vpos22.Eta() ; | |
163 | Float_t phi22 = vpos22.Phi() * TMath::RadToDeg() + 360. ; | |
164 | Float_t etaNN = vposNN.Eta() ; | |
165 | Float_t phiNN = vposNN.Phi() * TMath::RadToDeg() + 360. ; | |
6c3efb37 | 166 | |
f3299f82 | 167 | Int_t icaloCluster ; |
6c3efb37 | 168 | |
f3299f82 | 169 | // loop over the Calorimeters Clusters |
6c3efb37 | 170 | |
f3299f82 | 171 | for(icaloCluster = firstCaloCluster ; icaloCluster < firstCaloCluster + numberOfCaloClusters ; icaloCluster++) { |
172 | AliESDCaloCluster * cluster = fESD->GetCaloCluster(icaloCluster) ; | |
173 | if (cluster) { | |
6c3efb37 | 174 | |
f3299f82 | 175 | Float_t cluEnergy = cluster->GetClusterEnergy() ; |
6c3efb37 | 176 | Float_t pos[3] ; |
177 | TVector3 vpos ; | |
178 | ||
f3299f82 | 179 | cluster->GetGlobalPosition( pos ) ; |
6c3efb37 | 180 | |
181 | if ( cluEnergy > enMax) { | |
182 | enMax = cluEnergy ; | |
183 | vpos.SetXYZ(pos[0], pos[1], pos[2]) ; | |
184 | etaMax = vpos.Eta() ; | |
185 | phiMax = vpos.Phi() ; | |
186 | } | |
187 | ||
f3299f82 | 188 | Float_t * pid = cluster->GetPid() ; |
6c3efb37 | 189 | |
190 | if(pid[AliPID::kPhoton] > 0.9) { | |
191 | if ( cluEnergy > phEnMax) { | |
192 | phEnMax = cluEnergy ; | |
193 | vpos.SetXYZ(pos[0], pos[1], pos[2]) ; | |
194 | phEtaMax = vpos.Eta() ; | |
195 | phPhiMax = vpos.Phi() ; | |
196 | } | |
197 | } | |
198 | } | |
199 | ||
4c0b6461 | 200 | fNtTrigger22->Fill(a22, a22O, enMax, phEnMax, eta22, phi22, etaMax, phiMax * TMath::RadToDeg() + 360., phEtaMax, phPhiMax * TMath::RadToDeg() + 360.); |
201 | fNtTriggerNN->Fill(aNN, aNNO, enMax, phEnMax, etaNN, phiNN, etaMax, phiMax * TMath::RadToDeg() + 360., phEtaMax, phPhiMax * TMath::RadToDeg() + 360.); | |
6c3efb37 | 202 | } |
203 | ||
204 | ||
205 | PostData(0, fOutputContainer); | |
206 | ||
207 | } | |
208 | ||
209 | //______________________________________________________________________________ | |
f3299f82 | 210 | void AliAnaCaloTrigger::Terminate(Option_t *) |
6c3efb37 | 211 | { |
212 | // Processing when the event loop is ended | |
213 | ||
214 | } |