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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 | //_________________________________________________________________________ | |
17 | // An analysis task to check the trigger data in ESD | |
18 | // Creates an ntuple for 2x2 and NxN triggers | |
19 | // Each ntuple connects the maximum trigger amplitudes | |
20 | // and its positions with reconstructed clusters | |
21 | // | |
22 | //*-- Yves Schutz (CERN) & Gustavo Conesa Balbastre (INFN-LNF) | |
23 | ////////////////////////////////////////////////////////////////////////////// | |
24 | ||
25 | #include <TChain.h> | |
26 | #include <TFile.h> | |
27 | #include <TNtuple.h> | |
28 | #include <TVector3.h> | |
29 | ||
30 | #include "AliAnaCaloTrigger.h" | |
31 | #include "AliAnalysisManager.h" | |
32 | #include "AliESDEvent.h" | |
33 | #include "AliLog.h" | |
34 | #include "AliESDCaloCluster.h" | |
35 | ||
36 | //______________________________________________________________________________ | |
37 | AliAnaCaloTrigger::AliAnaCaloTrigger() : | |
38 | fChain(0), | |
39 | fESD(0), | |
40 | fOutputContainer(0), | |
41 | fCalorimeter("PHOS"), | |
42 | fNtTrigger22(0), | |
43 | fNtTriggerNN(0) | |
44 | ||
45 | { | |
46 | // Default Constructor. | |
47 | ||
48 | } | |
49 | ||
50 | //______________________________________________________________________________ | |
51 | AliAnaCaloTrigger::AliAnaCaloTrigger(const char *name) : | |
52 | AliAnalysisTask(name,"AnaCaloTrigger"), | |
53 | fChain(0), | |
54 | fESD(0), | |
55 | fOutputContainer(0), | |
56 | fCalorimeter("PHOS"), | |
57 | fNtTrigger22(0), | |
58 | fNtTriggerNN(0) | |
59 | ||
60 | { | |
61 | // Constructor. | |
62 | // Input slot #0 works with an Ntuple | |
63 | DefineInput(0, TChain::Class()); | |
64 | // Output slot #0 writes into a TH1 container | |
65 | DefineOutput(0, TObjArray::Class()) ; | |
66 | } | |
67 | //____________________________________________________________________________ | |
68 | AliAnaCaloTrigger::AliAnaCaloTrigger(const AliAnaCaloTrigger & ct) : | |
69 | AliAnalysisTask(ct), fChain(ct.fChain), fESD(ct.fESD), | |
70 | fOutputContainer(ct.fOutputContainer), fCalorimeter(ct. fCalorimeter), | |
71 | fNtTrigger22(ct.fNtTrigger22), fNtTriggerNN(ct.fNtTriggerNN) | |
72 | { | |
73 | ||
74 | // cpy ctor | |
75 | SetName (ct.GetName()) ; | |
76 | SetTitle(ct.GetTitle()) ; | |
77 | ||
78 | } | |
79 | ||
80 | //_________________________________________________________________________ | |
81 | AliAnaCaloTrigger & AliAnaCaloTrigger::operator = (const AliAnaCaloTrigger & source) | |
82 | { | |
83 | // assignment operator | |
84 | ||
85 | if(&source == this) return *this; | |
86 | ||
87 | fChain = source.fChain ; | |
88 | fESD = source.fESD ; | |
89 | fOutputContainer = source.fOutputContainer ; | |
90 | fCalorimeter = source. fCalorimeter ; | |
91 | fNtTrigger22 = source.fNtTrigger22 ; | |
92 | fNtTriggerNN = source.fNtTriggerNN ; | |
93 | ||
94 | return *this; | |
95 | ||
96 | } | |
97 | ||
98 | //______________________________________________________________________________ | |
99 | AliAnaCaloTrigger::~AliAnaCaloTrigger() | |
100 | { | |
101 | // dtor | |
102 | fOutputContainer->Clear() ; | |
103 | delete fOutputContainer ; | |
104 | delete fNtTrigger22 ; | |
105 | delete fNtTriggerNN ; | |
106 | } | |
107 | ||
108 | ||
109 | //______________________________________________________________________________ | |
110 | void AliAnaCaloTrigger::ConnectInputData(const Option_t*) | |
111 | { | |
112 | // Initialisation of branch container and histograms | |
113 | ||
114 | AliInfo(Form("*** Initialization of %s", GetName())) ; | |
115 | ||
116 | // Get input data | |
117 | fChain = dynamic_cast<TChain *>(GetInputData(0)) ; | |
118 | if (!fChain) { | |
119 | AliError(Form("Input 0 for %s not found\n", GetName())); | |
120 | return ; | |
121 | } | |
122 | ||
123 | fESD = new AliESDEvent(); | |
124 | fESD->ReadFromTree(fChain); | |
125 | ||
126 | } | |
127 | ||
128 | //________________________________________________________________________ | |
129 | ||
130 | void AliAnaCaloTrigger::CreateOutputObjects() | |
131 | { | |
132 | ||
133 | // Create the outputs containers | |
134 | OpenFile(0) ; | |
135 | ||
136 | // create histograms | |
137 | fNtTrigger22 = new TNtuple(fCalorimeter+"trigger22", "Trigger data 2x2 patch", "a22:a220:enMax:phEnMax:eta22:phi22:etaMax:phiMax:phEtaMax:phPhiMax"); | |
138 | fNtTriggerNN = new TNtuple(fCalorimeter+"triggerNN", "Trigger data NxN patch", "aNN:aNN0:enMax:phEnMax:etaNN:phiNN:etaMax:phiMax:phEtaMax:phPhiMax"); | |
139 | ||
140 | // create output container | |
141 | ||
142 | fOutputContainer = new TObjArray(2) ; | |
143 | fOutputContainer->SetName(GetName()) ; | |
144 | ||
145 | fOutputContainer->AddAt(fNtTrigger22, 0) ; | |
146 | fOutputContainer->AddAt(fNtTriggerNN, 1) ; | |
147 | ||
148 | } | |
149 | ||
150 | //______________________________________________________________________________ | |
151 | void AliAnaCaloTrigger::Exec(Option_t *) | |
152 | { | |
153 | // Processing of one event | |
154 | ||
155 | Long64_t entry = fChain->GetReadEntry() ; | |
156 | ||
157 | if (!fESD) { | |
158 | AliError("fESD is not connected to the input!") ; | |
159 | return ; | |
160 | } | |
161 | ||
162 | if ( !((entry-1)%100) ) | |
163 | AliInfo(Form("%s ----> Processing event # %lld", (dynamic_cast<TChain *>(fChain))->GetFile()->GetName(), entry)) ; | |
164 | ||
165 | // Get trigger information of fCalorimeter | |
166 | TArrayF * triggerAmplitudes = 0x0 ; | |
167 | TArrayF * triggerPosition = 0x0 ; | |
168 | Int_t numberOfCaloClusters = fESD->GetNumberOfCaloClusters() ; | |
169 | ||
170 | if(fCalorimeter == "PHOS"){ | |
171 | triggerAmplitudes = fESD->GetPHOSTriggerAmplitudes(); | |
172 | triggerPosition = fESD->GetPHOSTriggerPosition(); | |
173 | } | |
174 | else if(fCalorimeter == "EMCAL"){ | |
175 | triggerAmplitudes = fESD->GetEMCALTriggerAmplitudes(); | |
176 | triggerPosition = fESD->GetEMCALTriggerPosition(); | |
177 | } | |
178 | ||
179 | if( triggerAmplitudes && triggerPosition ){ | |
180 | // trigger amplitudes | |
181 | const Float_t ka22 = static_cast<Float_t>(triggerAmplitudes->At(0)) ; | |
182 | const Float_t ka22O = static_cast<Float_t>(triggerAmplitudes->At(1)) ; | |
183 | const Float_t kaNN = static_cast<Float_t>(triggerAmplitudes->At(2)) ; | |
184 | const Float_t kaNNO = static_cast<Float_t>(triggerAmplitudes->At(3)) ; | |
185 | ||
186 | // trigger position | |
187 | const Float_t kx22 = static_cast<Float_t>(triggerPosition->At(0)) ; | |
188 | const Float_t ky22 = static_cast<Float_t>(triggerPosition->At(1)) ; | |
189 | const Float_t kz22 = static_cast<Float_t>(triggerPosition->At(2)) ; | |
190 | const Float_t kxNN = static_cast<Float_t>(triggerPosition->At(3)) ; | |
191 | const Float_t kyNN = static_cast<Float_t>(triggerPosition->At(4)) ; | |
192 | const Float_t kzNN = static_cast<Float_t>(triggerPosition->At(5)) ; | |
193 | ||
194 | Float_t enMax = 0. ; | |
195 | Float_t phEnMax = 0. ; | |
196 | Float_t etaMax = 0.5 ; | |
197 | Float_t phiMax = 0. ; | |
198 | Float_t phEtaMax = 0.5 ; | |
199 | Float_t phPhiMax = 0. ; | |
200 | ||
201 | TVector3 vpos22(kx22, ky22, kz22) ; | |
202 | TVector3 vposNN(kxNN, kyNN, kzNN) ; | |
203 | Float_t eta22 = vpos22.Eta() ; | |
204 | Float_t phi22 = vpos22.Phi() * TMath::RadToDeg() + 360. ; | |
205 | Float_t etaNN = vposNN.Eta() ; | |
206 | Float_t phiNN = vposNN.Phi() * TMath::RadToDeg() + 360. ; | |
207 | ||
208 | Int_t icaloCluster ; | |
209 | ||
210 | // loop over the Calorimeters Clusters | |
211 | ||
212 | for(icaloCluster = 0 ; icaloCluster < numberOfCaloClusters ; icaloCluster++) { | |
213 | ||
214 | AliESDCaloCluster * cluster = fESD->GetCaloCluster(icaloCluster) ; | |
215 | ||
216 | if (cluster && ( (fCalorimeter == "PHOS" && cluster->IsPHOS()) || | |
217 | (fCalorimeter == "EMCAL" && cluster->IsEMCAL()))) { | |
218 | ||
219 | Float_t cluEnergy = cluster->E() ; | |
220 | Float_t pos[3] ; | |
221 | TVector3 vpos ; | |
222 | ||
223 | cluster->GetPosition( pos ) ; | |
224 | ||
225 | if ( cluEnergy > enMax) { | |
226 | enMax = cluEnergy ; | |
227 | vpos.SetXYZ(pos[0], pos[1], pos[2]) ; | |
228 | etaMax = vpos.Eta() ; | |
229 | phiMax = vpos.Phi() ; | |
230 | } | |
231 | ||
232 | Double_t * pid = cluster->GetPid() ; | |
233 | ||
234 | if(pid[AliPID::kPhoton] > 0.9) { | |
235 | if ( cluEnergy > phEnMax) { | |
236 | phEnMax = cluEnergy ; | |
237 | vpos.SetXYZ(pos[0], pos[1], pos[2]) ; | |
238 | phEtaMax = vpos.Eta() ; | |
239 | phPhiMax = vpos.Phi() ; | |
240 | } | |
241 | } | |
242 | }//if cluster | |
243 | ||
244 | fNtTrigger22->Fill(ka22, ka22O, enMax, phEnMax, eta22, phi22, etaMax, phiMax * TMath::RadToDeg() + 360., phEtaMax, phPhiMax * TMath::RadToDeg() + 360.); | |
245 | fNtTriggerNN->Fill(kaNN, kaNNO, enMax, phEnMax, etaNN, phiNN, etaMax, phiMax * TMath::RadToDeg() + 360., phEtaMax, phPhiMax * TMath::RadToDeg() + 360.); | |
246 | }//CaloCluster loop | |
247 | ||
248 | }//If trigger arrays filled | |
249 | ||
250 | PostData(0, fOutputContainer); | |
251 | ||
252 | } | |
253 | ||
254 | //______________________________________________________________________________ | |
255 | void AliAnaCaloTrigger::Terminate(Option_t *) | |
256 | { | |
257 | // Processing when the event loop is ended | |
258 | ||
259 | } |