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884e9012 | 1 | |
2 | /************************************************************************** | |
3 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
4 | * * | |
5 | * Author: The ALICE Off-line Project. * | |
6 | * Contributors are mentioned in the code where appropriate. * | |
7 | * * | |
8 | * Permission to use, copy, modify and distribute this software and its * | |
9 | * documentation strictly for non-commercial purposes is hereby granted * | |
10 | * without fee, provided that the above copyright notice appears in all * | |
11 | * copies and that both the copyright notice and this permission notice * | |
12 | * appear in the supporting documentation. The authors make no claims * | |
13 | * about the suitability of this software for any purpose. It is * | |
14 | * provided "as is" without express or implied warranty. * | |
15 | **************************************************************************/ | |
16 | ||
17 | //_________________________________________________________________________ | |
f38b754b | 18 | // An analysis task to check the trigger data in ESD with MC data |
19 | // Creates an ntuple for 2x2 and NxN triggers | |
20 | // Each ntuple connects the maximum trigger amplitudes | |
21 | // and its positions with reconstructed clusters and MC | |
884e9012 | 22 | // |
f38b754b | 23 | //*-- Yves Schutz (CERN) & Gustavo Conesa Balbastre (INFN-LNF) |
884e9012 | 24 | ////////////////////////////////////////////////////////////////////////////// |
25 | ||
26 | #include <TChain.h> | |
27 | #include <TFile.h> | |
28 | #include <TNtuple.h> | |
29 | #include <TVector3.h> | |
30 | ||
31 | #include "AliAnalysisManager.h" | |
32 | #include "AliMCEventHandler.h" | |
4b707925 | 33 | #include "AliMCEvent.h" |
884e9012 | 34 | #include "AliAnaCaloTriggerMC.h" |
35 | #include "AliESDEvent.h" | |
36 | #include "AliESDCaloCluster.h" | |
37 | #include "AliLog.h" | |
38 | #include "AliStack.h" | |
39 | #include "TParticle.h" | |
40 | ||
41 | //______________________________________________________________________________ | |
42 | AliAnaCaloTriggerMC::AliAnaCaloTriggerMC() : | |
43 | fChain(0), | |
44 | fESD(0), | |
45 | fOutputContainer(0), | |
46 | fCalorimeter("PHOS"), | |
47 | fNtTrigger22(0), | |
48 | fNtTriggerNN(0) | |
49 | ||
50 | { | |
51 | // Default constructor. | |
52 | ||
53 | } | |
54 | //______________________________________________________________________________ | |
55 | AliAnaCaloTriggerMC::AliAnaCaloTriggerMC(const char *name) : | |
56 | AliAnalysisTask(name, "AnaCaloTriggerMC"), | |
57 | fChain(0), | |
58 | fESD(0), | |
59 | fOutputContainer(0), | |
60 | fCalorimeter("PHOS"), | |
61 | fNtTrigger22(0), | |
62 | fNtTriggerNN(0) | |
63 | ||
64 | { | |
65 | // Constructor. | |
66 | // Input slot #0 works with an Ntuple | |
67 | DefineInput(0, TChain::Class()); | |
68 | // Output slot #0 writes into a TH1 container | |
69 | DefineOutput(0, TObjArray::Class()) ; | |
70 | } | |
71 | //____________________________________________________________________________ | |
72 | AliAnaCaloTriggerMC::AliAnaCaloTriggerMC(const AliAnaCaloTriggerMC & ct) : | |
3bb2c538 | 73 | AliAnalysisTask(ct),fChain(ct.fChain), fESD(ct.fESD), |
884e9012 | 74 | fOutputContainer(ct.fOutputContainer), fCalorimeter(ct. fCalorimeter), |
75 | fNtTrigger22(ct.fNtTrigger22), fNtTriggerNN(ct.fNtTriggerNN) | |
76 | { | |
77 | ||
78 | // cpy ctor | |
79 | SetName (ct.GetName()) ; | |
80 | SetTitle(ct.GetTitle()) ; | |
81 | ||
82 | } | |
83 | ||
84 | //_________________________________________________________________________ | |
85 | AliAnaCaloTriggerMC & AliAnaCaloTriggerMC::operator = (const AliAnaCaloTriggerMC & source) | |
86 | { | |
87 | // assignment operator | |
88 | ||
89 | if(&source == this) return *this; | |
90 | ||
91 | fChain = source.fChain ; | |
92 | fESD = source.fESD ; | |
93 | fOutputContainer = source.fOutputContainer ; | |
94 | fCalorimeter = source. fCalorimeter ; | |
95 | fNtTrigger22 = source.fNtTrigger22 ; | |
96 | fNtTriggerNN = source.fNtTriggerNN ; | |
97 | ||
98 | return *this; | |
99 | ||
100 | } | |
101 | ||
102 | //______________________________________________________________________________ | |
103 | AliAnaCaloTriggerMC::~AliAnaCaloTriggerMC() | |
104 | { | |
105 | // dtor | |
3788def4 | 106 | // fOutputContainer->Clear() ; |
107 | // delete fOutputContainer ; | |
108 | ||
884e9012 | 109 | } |
110 | ||
111 | ||
112 | //______________________________________________________________________________ | |
113 | void AliAnaCaloTriggerMC::ConnectInputData(const Option_t*) | |
114 | { | |
115 | // Initialisation of branch container and histograms | |
116 | ||
117 | AliInfo(Form("*** Initialization of %s", GetName())) ; | |
118 | ||
119 | // Get input data | |
120 | fChain = dynamic_cast<TChain *>(GetInputData(0)) ; | |
121 | if (!fChain) { | |
122 | AliError(Form("Input 0 for %s not found\n", GetName())); | |
123 | return ; | |
124 | } | |
125 | ||
126 | fESD = new AliESDEvent(); | |
127 | fESD->ReadFromTree(fChain); | |
128 | ||
129 | } | |
130 | ||
131 | //________________________________________________________________________ | |
132 | ||
133 | void AliAnaCaloTriggerMC::CreateOutputObjects() | |
134 | { | |
135 | ||
136 | // Create the output container | |
137 | OpenFile(0); | |
138 | ||
139 | // create histograms | |
140 | fNtTrigger22 = new TNtuple(fCalorimeter+"trigger22", "Trigger data 2x2 patch", "a22:a220:enMax:phEnMax:eta22:phi22:etaMax:phiMax:phEtaMax:phPhiMax"); | |
141 | fNtTriggerNN = new TNtuple(fCalorimeter+"triggerNN", "Trigger data NxN patch", "aNN:aNN0:enMax:phEnMax:etaNN:phiNN:etaMax:phiMax:phEtaMax:phPhiMax"); | |
142 | ||
143 | // create output container | |
144 | ||
145 | fOutputContainer = new TObjArray(2) ; | |
146 | fOutputContainer->SetName(GetName()) ; | |
147 | ||
148 | fOutputContainer->AddAt(fNtTrigger22, 0) ; | |
149 | fOutputContainer->AddAt(fNtTriggerNN, 1) ; | |
150 | ||
151 | } | |
152 | ||
153 | //______________________________________________________________________________ | |
154 | void AliAnaCaloTriggerMC::Exec(Option_t *) | |
155 | { | |
156 | ||
157 | // Processing of one event | |
158 | ||
159 | Long64_t entry = fChain->GetReadEntry() ; | |
160 | ||
161 | if (!fESD) { | |
162 | AliError("fESD is not connected to the input!") ; | |
163 | return ; | |
164 | } | |
165 | ||
166 | if ( !((entry-1)%100) ) | |
167 | AliInfo(Form("%s ----> Processing event # %lld", (dynamic_cast<TChain *>(fChain))->GetFile()->GetName(), entry)) ; | |
168 | ||
169 | //Get MC data | |
170 | AliStack* stack = 0x0; | |
171 | AliMCEventHandler* mctruth = (AliMCEventHandler*) | |
172 | ((AliAnalysisManager::GetAnalysisManager())->GetMCtruthEventHandler()); | |
173 | ||
174 | if(mctruth) | |
4b707925 | 175 | stack = mctruth->MCEvent()->Stack(); |
884e9012 | 176 | |
177 | if (!stack) { | |
178 | AliError("Stack not found") ; | |
179 | return ; | |
180 | } | |
181 | ||
182 | // Get trigger information of fCalorimeter | |
183 | TArrayF * triggerAmplitudes = 0x0 ; | |
184 | TArrayF * triggerPosition = 0x0 ; | |
185 | Int_t numberOfCaloClusters = 0 ; | |
186 | ||
187 | if(fCalorimeter == "PHOS"){ | |
188 | triggerAmplitudes = fESD->GetPHOSTriggerAmplitudes(); | |
189 | triggerPosition = fESD->GetPHOSTriggerPosition(); | |
190 | } | |
191 | else if(fCalorimeter == "EMCAL"){ | |
192 | triggerAmplitudes = fESD->GetEMCALTriggerAmplitudes(); | |
193 | triggerPosition = fESD->GetEMCALTriggerPosition(); | |
194 | } | |
195 | ||
196 | if( triggerAmplitudes && triggerPosition ){ | |
197 | // trigger amplitudes | |
f38b754b | 198 | const Float_t ka22 = static_cast<Float_t>(triggerAmplitudes->At(0)) ; |
199 | const Float_t ka22O = static_cast<Float_t>(triggerAmplitudes->At(1)) ; | |
200 | const Float_t kaNN = static_cast<Float_t>(triggerAmplitudes->At(2)) ; | |
201 | const Float_t kaNNO = static_cast<Float_t>(triggerAmplitudes->At(3)) ; | |
884e9012 | 202 | |
203 | // trigger position | |
f38b754b | 204 | const Float_t kx22 = static_cast<Float_t>(triggerPosition->At(0)) ; |
205 | const Float_t ky22 = static_cast<Float_t>(triggerPosition->At(1)) ; | |
206 | const Float_t kz22 = static_cast<Float_t>(triggerPosition->At(2)) ; | |
207 | const Float_t kxNN = static_cast<Float_t>(triggerPosition->At(3)) ; | |
208 | const Float_t kyNN = static_cast<Float_t>(triggerPosition->At(4)) ; | |
209 | const Float_t kzNN = static_cast<Float_t>(triggerPosition->At(5)) ; | |
884e9012 | 210 | |
211 | Float_t enMax = 0. ; | |
212 | Float_t phEnMax = 0. ; | |
213 | Float_t etaMax = 0.5 ; | |
214 | Float_t phiMax = 0. ; | |
215 | Float_t phEtaMax = 0.5 ; | |
216 | Float_t phPhiMax = 0. ; | |
217 | ||
f38b754b | 218 | TVector3 vpos22(kx22, ky22, kz22) ; |
219 | TVector3 vposNN(kxNN, kyNN, kzNN) ; | |
884e9012 | 220 | Float_t eta22 = vpos22.Eta() ; |
221 | Float_t phi22 = vpos22.Phi() * TMath::RadToDeg() + 360. ; | |
222 | Float_t etaNN = vposNN.Eta() ; | |
223 | Float_t phiNN = vposNN.Phi() * TMath::RadToDeg() + 360. ; | |
224 | ||
225 | Int_t icaloCluster ; | |
226 | ||
227 | // loop over the Calorimeters Clusters | |
228 | Float_t cluEnergy = 0; | |
229 | Int_t labelmax = -5; | |
230 | for(icaloCluster = 0 ; icaloCluster < numberOfCaloClusters ; icaloCluster++) { | |
231 | ||
232 | AliESDCaloCluster * cluster = fESD->GetCaloCluster(icaloCluster) ; | |
233 | ||
234 | if (cluster && ( (fCalorimeter == "PHOS" && cluster->IsPHOS()) || | |
235 | (fCalorimeter == "EMCAL" && cluster->IsEMCAL()))) { | |
236 | ||
237 | cluEnergy = cluster->E() ; | |
238 | Float_t pos[3] ; | |
239 | TVector3 vpos ; | |
240 | ||
241 | cluster->GetPosition( pos ) ; | |
242 | ||
243 | if ( cluEnergy > enMax) { | |
244 | enMax = cluEnergy ; | |
245 | vpos.SetXYZ(pos[0], pos[1], pos[2]) ; | |
246 | etaMax = vpos.Eta() ; | |
247 | phiMax = vpos.Phi() ; | |
248 | labelmax = cluster->GetLabel(); | |
249 | } | |
250 | ||
4b707925 | 251 | Double_t * pid = cluster->GetPid() ; |
884e9012 | 252 | |
253 | if(pid[AliPID::kPhoton] > 0.9) { | |
254 | if ( cluEnergy > phEnMax) { | |
255 | phEnMax = cluEnergy ; | |
256 | vpos.SetXYZ(pos[0], pos[1], pos[2]) ; | |
257 | phEtaMax = vpos.Eta() ; | |
258 | phPhiMax = vpos.Phi() ; | |
259 | } | |
260 | } | |
261 | }//if cluster | |
262 | }//CaloCluster loop | |
263 | ||
264 | if(labelmax < stack->GetNtrack() && labelmax >= 0 ){ | |
265 | TParticle * particle = stack->Particle(labelmax); | |
266 | Float_t ptgen = particle->Energy(); | |
f38b754b | 267 | fNtTrigger22->Fill(ka22, ka22O, ptgen, enMax, phEnMax, eta22, phi22, etaMax, phiMax * TMath::RadToDeg() + 360., phEtaMax, phPhiMax * TMath::RadToDeg() + 360.); |
268 | fNtTriggerNN->Fill(kaNN, kaNNO, ptgen, enMax, phEnMax, etaNN, phiNN, etaMax, phiMax * TMath::RadToDeg() + 360., phEtaMax, phPhiMax * TMath::RadToDeg() + 360.); | |
884e9012 | 269 | } |
270 | else AliDebug(1, Form("Wrong label %d, ntrack %d, Emax %f ",labelmax, stack->GetNtrack(), phEnMax)); | |
271 | }//If trigger arrays filled | |
272 | ||
273 | PostData(0, fOutputContainer); | |
274 | ||
275 | } | |
276 | ||
277 | ||
278 | //______________________________________________________________________________ | |
279 | void AliAnaCaloTriggerMC::Terminate(Option_t *) | |
280 | { | |
281 | // Processing when the event loop is ended | |
282 | ||
283 | } |