]>
Commit | Line | Data |
---|---|---|
f3050824 | 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 | ||
105 | } | |
106 | ||
107 | ||
108 | //______________________________________________________________________________ | |
109 | void AliAnaCaloTrigger::ConnectInputData(const Option_t*) | |
110 | { | |
111 | // Initialisation of branch container and histograms | |
112 | ||
113 | AliInfo(Form("*** Initialization of %s", GetName())) ; | |
114 | ||
115 | // Get input data | |
116 | fChain = dynamic_cast<TChain *>(GetInputData(0)) ; | |
117 | if (!fChain) { | |
118 | AliError(Form("Input 0 for %s not found\n", GetName())); | |
119 | return ; | |
120 | } | |
121 | ||
122 | fESD = new AliESDEvent(); | |
123 | fESD->ReadFromTree(fChain); | |
124 | ||
125 | } | |
126 | ||
127 | //________________________________________________________________________ | |
128 | ||
129 | void AliAnaCaloTrigger::CreateOutputObjects() | |
130 | { | |
131 | ||
132 | // Create the outputs containers | |
133 | OpenFile(0) ; | |
134 | ||
135 | // create histograms | |
136 | fNtTrigger22 = new TNtuple(fCalorimeter+"trigger22", "Trigger data 2x2 patch", "a22:a220:enMax:phEnMax:eta22:phi22:etaMax:phiMax:phEtaMax:phPhiMax"); | |
137 | fNtTriggerNN = new TNtuple(fCalorimeter+"triggerNN", "Trigger data NxN patch", "aNN:aNN0:enMax:phEnMax:etaNN:phiNN:etaMax:phiMax:phEtaMax:phPhiMax"); | |
138 | ||
139 | // create output container | |
140 | ||
141 | fOutputContainer = new TObjArray(2) ; | |
142 | fOutputContainer->SetName(GetName()) ; | |
143 | ||
144 | fOutputContainer->AddAt(fNtTrigger22, 0) ; | |
145 | fOutputContainer->AddAt(fNtTriggerNN, 1) ; | |
146 | ||
147 | } | |
148 | ||
149 | //______________________________________________________________________________ | |
150 | void AliAnaCaloTrigger::Exec(Option_t *) | |
151 | { | |
152 | // Processing of one event | |
153 | ||
154 | Long64_t entry = fChain->GetReadEntry() ; | |
155 | ||
156 | if (!fESD) { | |
157 | AliError("fESD is not connected to the input!") ; | |
158 | return ; | |
159 | } | |
160 | ||
161 | if ( !((entry-1)%100) ) | |
162 | AliInfo(Form("%s ----> Processing event # %lld", (dynamic_cast<TChain *>(fChain))->GetFile()->GetName(), entry)) ; | |
163 | ||
164 | // Get trigger information of fCalorimeter | |
165 | TArrayF * triggerAmplitudes = 0x0 ; | |
166 | TArrayF * triggerPosition = 0x0 ; | |
167 | Int_t numberOfCaloClusters = fESD->GetNumberOfCaloClusters() ; | |
168 | ||
169 | if(fCalorimeter == "PHOS"){ | |
170 | triggerAmplitudes = fESD->GetPHOSTriggerAmplitudes(); | |
171 | triggerPosition = fESD->GetPHOSTriggerPosition(); | |
172 | } | |
173 | else if(fCalorimeter == "EMCAL"){ | |
174 | triggerAmplitudes = fESD->GetEMCALTriggerAmplitudes(); | |
175 | triggerPosition = fESD->GetEMCALTriggerPosition(); | |
176 | } | |
177 | ||
178 | if( triggerAmplitudes && triggerPosition ){ | |
179 | // trigger amplitudes | |
180 | const Float_t ka22 = static_cast<Float_t>(triggerAmplitudes->At(0)) ; | |
181 | const Float_t ka22O = static_cast<Float_t>(triggerAmplitudes->At(1)) ; | |
182 | const Float_t kaNN = static_cast<Float_t>(triggerAmplitudes->At(2)) ; | |
183 | const Float_t kaNNO = static_cast<Float_t>(triggerAmplitudes->At(3)) ; | |
184 | ||
185 | // trigger position | |
186 | const Float_t kx22 = static_cast<Float_t>(triggerPosition->At(0)) ; | |
187 | const Float_t ky22 = static_cast<Float_t>(triggerPosition->At(1)) ; | |
188 | const Float_t kz22 = static_cast<Float_t>(triggerPosition->At(2)) ; | |
189 | const Float_t kxNN = static_cast<Float_t>(triggerPosition->At(3)) ; | |
190 | const Float_t kyNN = static_cast<Float_t>(triggerPosition->At(4)) ; | |
191 | const Float_t kzNN = static_cast<Float_t>(triggerPosition->At(5)) ; | |
192 | ||
193 | Float_t enMax = 0. ; | |
194 | Float_t phEnMax = 0. ; | |
195 | Float_t etaMax = 0.5 ; | |
196 | Float_t phiMax = 0. ; | |
197 | Float_t phEtaMax = 0.5 ; | |
198 | Float_t phPhiMax = 0. ; | |
199 | ||
200 | TVector3 vpos22(kx22, ky22, kz22) ; | |
201 | TVector3 vposNN(kxNN, kyNN, kzNN) ; | |
202 | Float_t eta22 = vpos22.Eta() ; | |
203 | Float_t phi22 = vpos22.Phi() * TMath::RadToDeg() + 360. ; | |
204 | Float_t etaNN = vposNN.Eta() ; | |
205 | Float_t phiNN = vposNN.Phi() * TMath::RadToDeg() + 360. ; | |
206 | ||
207 | Int_t icaloCluster ; | |
208 | ||
209 | // loop over the Calorimeters Clusters | |
210 | ||
211 | for(icaloCluster = 0 ; icaloCluster < numberOfCaloClusters ; icaloCluster++) { | |
212 | ||
213 | AliESDCaloCluster * cluster = fESD->GetCaloCluster(icaloCluster) ; | |
214 | ||
215 | if (cluster && ( (fCalorimeter == "PHOS" && cluster->IsPHOS()) || | |
216 | (fCalorimeter == "EMCAL" && cluster->IsEMCAL()))) { | |
217 | ||
218 | Float_t cluEnergy = cluster->E() ; | |
219 | Float_t pos[3] ; | |
220 | TVector3 vpos ; | |
221 | ||
222 | cluster->GetPosition( pos ) ; | |
223 | ||
224 | if ( cluEnergy > enMax) { | |
225 | enMax = cluEnergy ; | |
226 | vpos.SetXYZ(pos[0], pos[1], pos[2]) ; | |
227 | etaMax = vpos.Eta() ; | |
228 | phiMax = vpos.Phi() ; | |
229 | } | |
230 | ||
231 | Double_t * pid = cluster->GetPid() ; | |
232 | ||
233 | if(pid[AliPID::kPhoton] > 0.9) { | |
234 | if ( cluEnergy > phEnMax) { | |
235 | phEnMax = cluEnergy ; | |
236 | vpos.SetXYZ(pos[0], pos[1], pos[2]) ; | |
237 | phEtaMax = vpos.Eta() ; | |
238 | phPhiMax = vpos.Phi() ; | |
239 | } | |
240 | } | |
241 | }//if cluster | |
242 | ||
243 | fNtTrigger22->Fill(ka22, ka22O, enMax, phEnMax, eta22, phi22, etaMax, phiMax * TMath::RadToDeg() + 360., phEtaMax, phPhiMax * TMath::RadToDeg() + 360.); | |
244 | fNtTriggerNN->Fill(kaNN, kaNNO, enMax, phEnMax, etaNN, phiNN, etaMax, phiMax * TMath::RadToDeg() + 360., phEtaMax, phPhiMax * TMath::RadToDeg() + 360.); | |
245 | }//CaloCluster loop | |
246 | ||
247 | }//If trigger arrays filled | |
248 | ||
249 | PostData(0, fOutputContainer); | |
250 | ||
251 | } | |
252 | ||
253 | //______________________________________________________________________________ | |
254 | void AliAnaCaloTrigger::Terminate(Option_t *) | |
255 | { | |
256 | // Processing when the event loop is ended | |
257 | ||
258 | } |