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ce9d0223 | 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 | /* $Id: */ | |
17 | ||
18 | //_________________________________________________________________________ | |
19 | // A basic analysis task to analyse photon detected by PHOS | |
20 | // | |
21 | //*-- Yves Schutz | |
22 | ////////////////////////////////////////////////////////////////////////////// | |
23 | ||
24 | #include <TCanvas.h> | |
25 | #include <TChain.h> | |
26 | #include <TFile.h> | |
27 | #include <TH1.h> | |
28 | #include <TH1F.h> | |
29 | #include <TH1I.h> | |
30 | #include <TLegend.h> | |
31 | #include <TNtuple.h> | |
32 | #include <TROOT.h> | |
33 | #include <TVector3.h> | |
34 | ||
35 | #include "AliAnaGammaPhos.h" | |
36 | #include "AliAnalysisManager.h" | |
9ea45617 | 37 | #include "AliESDEvent.h" |
38 | #include "AliESDCaloCluster.h" | |
ce9d0223 | 39 | #include "AliAODEvent.h" |
40 | #include "AliAODHandler.h" | |
c0acc236 | 41 | #include "AliAODPhoton.h" |
ce9d0223 | 42 | #include "AliLog.h" |
43 | ||
44 | //______________________________________________________________________________ | |
45 | AliAnaGammaPhos::AliAnaGammaPhos() : | |
46 | fChain(0x0), | |
47 | fDebug(0), | |
48 | fESD(0x0), | |
49 | fAOD(0x0), | |
50 | fAODPhotons(0x0), | |
51 | fPhotonsInPhos(0), | |
52 | fTreeA(0x0), | |
53 | fPhotonId(1.0), | |
54 | fOutputList(0x0), | |
55 | fhPHOS(0), | |
56 | fhPHOSEnergy(0), | |
57 | fhPHOSDigits(0), | |
58 | fhPHOSRecParticles(0), | |
59 | fhPHOSPhotons(0), | |
60 | fhPHOSInvariantMass(0), | |
61 | fhPHOSDigitsEvent(0) | |
62 | { | |
63 | //Default constructor | |
64 | } | |
65 | //______________________________________________________________________________ | |
66 | AliAnaGammaPhos::AliAnaGammaPhos(const char *name) : | |
67 | AliAnalysisTask(name,""), | |
68 | fChain(0x0), | |
69 | fDebug(0), | |
70 | fESD(0x0), | |
71 | fAOD(0x0), | |
72 | fAODPhotons(0x0), | |
73 | fPhotonsInPhos(0), | |
74 | fTreeA(0x0), | |
75 | fPhotonId(1.0), | |
76 | fOutputList(0x0), | |
77 | fhPHOS(0), | |
78 | fhPHOSEnergy(0), | |
79 | fhPHOSDigits(0), | |
80 | fhPHOSRecParticles(0), | |
81 | fhPHOSPhotons(0), | |
82 | fhPHOSInvariantMass(0), | |
83 | fhPHOSDigitsEvent(0) | |
84 | { | |
85 | // Constructor. | |
86 | // Input slot #0 | |
87 | DefineInput(0, TChain::Class()); | |
88 | // Output slots | |
89 | DefineOutput(0, TTree::Class()) ; | |
90 | DefineOutput(1, TList::Class()) ; | |
91 | } | |
92 | ||
93 | //______________________________________________________________________________ | |
94 | AliAnaGammaPhos::~AliAnaGammaPhos() | |
95 | { | |
96 | // dtor | |
c0acc236 | 97 | // fOutputList->Clear() ; |
98 | //delete fOutputList ; | |
ce9d0223 | 99 | } |
100 | ||
101 | ||
102 | //______________________________________________________________________________ | |
103 | void AliAnaGammaPhos::ConnectInputData(const Option_t*) | |
104 | { | |
105 | // Initialisation of branch container and histograms | |
106 | ||
107 | AliInfo(Form("*** Initialization of %s", GetName())) ; | |
108 | ||
109 | // Get input data | |
110 | fChain = dynamic_cast<TChain *>(GetInputData(0)) ; | |
111 | if (!fChain) { | |
112 | AliError(Form("Input 0 for %s not found\n", GetName())); | |
113 | return ; | |
114 | } | |
115 | ||
9ea45617 | 116 | fESD = new AliESDEvent(); |
117 | fESD->ReadFromTree(fChain); | |
118 | ||
ce9d0223 | 119 | } |
120 | ||
121 | //________________________________________________________________________ | |
122 | void AliAnaGammaPhos::CreateOutputObjects() | |
123 | { | |
124 | // Create the outputs containers | |
125 | ||
126 | OpenFile(0) ; | |
691685d6 | 127 | AliAODHandler* handler = (AliAODHandler*) ((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler()); |
c0acc236 | 128 | fTreeA = handler->GetTree() ; |
ce9d0223 | 129 | fAOD = handler->GetAOD(); |
4b707925 | 130 | fAODPhotons = fAOD->GetCaloClusters() ; |
c0acc236 | 131 | |
ce9d0223 | 132 | |
133 | OpenFile(1) ; | |
134 | ||
135 | fhPHOSPos = new TNtuple("PHOSPos" , "Position in PHOS" , "x:y:z"); | |
136 | fhPHOS = new TNtuple("PHOS" , "PHOS" , "event:digits:clusters:photons"); | |
bdcfac30 | 137 | fhPHOSEnergy = new TH1D("PHOSEnergy" , "PHOSEnergy" , 100, 0., 100. ) ; |
ce9d0223 | 138 | fhPHOSDigits = new TH1I("PHOSDigitsCluster" , "PHOSDigits" , 20 , 0 , 20 ) ; |
139 | fhPHOSRecParticles = new TH1D("PHOSRecParticles" , "PHOSRecParticles" , 20 , 0., 20. ) ; | |
140 | fhPHOSPhotons = new TH1I("PHOSPhotons" , "PHOSPhotons" , 20 , 0 , 20 ) ; | |
141 | fhPHOSInvariantMass = new TH1D("PHOSInvariantMass" , "PHOSInvariantMass" , 400, 0., 400.) ; | |
142 | fhPHOSDigitsEvent = new TH1I("PHOSDigitsEvent" , "PHOSDigitsEvent" , 30 , 0 , 30 ) ; | |
143 | ||
144 | // create output container | |
145 | ||
146 | fOutputList = new TList() ; | |
147 | fOutputList->SetName(GetName()) ; | |
148 | ||
149 | fOutputList->AddAt(fhPHOSPos, 0) ; | |
150 | fOutputList->AddAt(fhPHOS, 1) ; | |
151 | fOutputList->AddAt(fhPHOSEnergy, 2) ; | |
152 | fOutputList->AddAt(fhPHOSDigits, 3) ; | |
153 | fOutputList->AddAt(fhPHOSRecParticles, 4) ; | |
154 | fOutputList->AddAt(fhPHOSPhotons, 5) ; | |
155 | fOutputList->AddAt(fhPHOSInvariantMass, 6) ; | |
156 | fOutputList->AddAt(fhPHOSDigitsEvent, 7) ; | |
157 | } | |
158 | ||
159 | //______________________________________________________________________________ | |
160 | void AliAnaGammaPhos::Exec(Option_t *) | |
161 | { | |
162 | // Processing of one event | |
163 | ||
164 | Long64_t entry = fChain->GetReadEntry() ; | |
165 | ||
166 | if (!fESD) { | |
167 | AliError("fESD is not connected to the input!") ; | |
168 | return ; | |
169 | } | |
170 | ||
171 | if ( !((entry-1)%100) ) | |
172 | AliInfo(Form("%s ----> Processing event # %lld", (dynamic_cast<TChain *>(fChain))->GetFile()->GetName(), entry)) ; | |
173 | ||
174 | //************************ PHOS ************************************* | |
175 | ||
176 | Int_t firstPhosCluster = fESD->GetFirstPHOSCluster() ; | |
177 | const Int_t numberOfPhosClusters = fESD->GetNumberOfPHOSClusters() ; | |
178 | ||
179 | TVector3 ** phosVector = new TVector3*[numberOfPhosClusters] ; | |
180 | Float_t * phosPhotonsEnergy = new Float_t[numberOfPhosClusters] ; | |
181 | Int_t phosCluster ; | |
182 | Int_t numberOfDigitsInPhos = 0 ; | |
183 | ||
184 | fPhotonsInPhos = 0 ; | |
185 | // loop over the PHOS Cluster | |
186 | for(phosCluster = firstPhosCluster ; phosCluster < firstPhosCluster + numberOfPhosClusters ; phosCluster++) { | |
187 | AliESDCaloCluster * caloCluster = fESD->GetCaloCluster(phosCluster) ; | |
188 | if (caloCluster) { | |
189 | Float_t pos[3] ; | |
c0acc236 | 190 | caloCluster->GetPosition( pos ) ; |
191 | fhPHOSEnergy->Fill( caloCluster->E() ) ; | |
ce9d0223 | 192 | fhPHOSPos->Fill( pos[0], pos[1], pos[2] ) ; |
193 | fhPHOSDigits->Fill(entry, caloCluster->GetNumberOfDigits() ) ; | |
194 | numberOfDigitsInPhos += caloCluster->GetNumberOfDigits() ; | |
4b707925 | 195 | Double_t * pid = caloCluster->GetPid() ; |
ce9d0223 | 196 | if(pid[AliPID::kPhoton] > GetPhotonId() ) { |
197 | phosVector[fPhotonsInPhos] = new TVector3(pos[0],pos[1],pos[2]) ; | |
c0acc236 | 198 | phosPhotonsEnergy[fPhotonsInPhos]=caloCluster->E() ; |
ce9d0223 | 199 | //new ((*fAODPhotons)[fPhotonsInPhos++;]) AliAODPhoton ( ); |
200 | } | |
201 | } | |
202 | } //PHOS clusters | |
203 | ||
204 | fhPHOSRecParticles->Fill(numberOfPhosClusters); | |
205 | fhPHOSPhotons->Fill(fPhotonsInPhos); | |
206 | fhPHOSDigitsEvent->Fill(numberOfDigitsInPhos); | |
207 | fhPHOS->Fill(entry, numberOfDigitsInPhos, numberOfPhosClusters, fPhotonsInPhos) ; | |
208 | ||
209 | // invariant Mass | |
210 | if (fPhotonsInPhos > 1 ) { | |
211 | Int_t phosPhoton1, phosPhoton2 ; | |
212 | for(phosPhoton1 = 0 ; phosPhoton1 < fPhotonsInPhos ; phosPhoton1++) { | |
213 | for(phosPhoton2 = phosPhoton1 + 1 ; phosPhoton2 < fPhotonsInPhos ; phosPhoton2++) { | |
214 | Float_t tempMass = TMath::Sqrt( 2 * phosPhotonsEnergy[phosPhoton1] * phosPhotonsEnergy[phosPhoton2] * | |
215 | ( 1 - TMath::Cos(phosVector[phosPhoton1]->Angle(*phosVector[phosPhoton2])) ) | |
216 | ); | |
217 | fhPHOSInvariantMass->Fill(tempMass*1000.); | |
218 | } | |
219 | } | |
220 | } | |
32392f88 | 221 | |
ce9d0223 | 222 | PostData(0, fTreeA) ; |
223 | PostData(1, fOutputList); | |
224 | ||
225 | delete [] phosVector ; | |
226 | delete [] phosPhotonsEnergy ; | |
227 | ||
228 | } | |
229 | ||
230 | ||
231 | //______________________________________________________________________________ | |
232 | void AliAnaGammaPhos::Init() | |
233 | { | |
234 | // Intialisation of parameters | |
235 | AliInfo("Doing initialisation") ; | |
236 | SetPhotonId(0.9) ; | |
237 | } | |
238 | ||
75480d65 | 239 | //______________________________________________________________________________ |
ce9d0223 | 240 | void AliAnaGammaPhos::Terminate(Option_t *) |
241 | { | |
242 | // Processing when the event loop is ended | |
243 | ||
c0acc236 | 244 | // fOutputList = (TList*)GetOutputData(0); |
245 | // fhPHOSPos = (TNtuple*)fOutputList->At(0); | |
246 | // fhPHOS = (TNtuple*)fOutputList->At(1); | |
247 | // fhPHOSEnergy = (TH1D*)fOutputList->At(2); | |
248 | // fhPHOSDigits = (TH1I*)fOutputList->At(3); | |
249 | // fhPHOSRecParticles = (TH1D*)fOutputList->At(4); | |
250 | // fhPHOSPhotons = (TH1I*)fOutputList->At(5); | |
251 | // fhPHOSInvariantMass = (TH1D*)fOutputList->At(6); | |
252 | // fhPHOSDigitsEvent = (TH1I*)fOutputList->At(7); | |
ce9d0223 | 253 | |
32392f88 | 254 | |
ce9d0223 | 255 | Bool_t problem = kFALSE ; |
256 | AliInfo(Form(" *** %s Report:", GetName())) ; | |
257 | printf(" PHOSEnergy Mean : %5.3f , RMS : %5.3f \n", fhPHOSEnergy->GetMean(), fhPHOSEnergy->GetRMS() ) ; | |
258 | printf(" PHOSDigits Mean : %5.3f , RMS : %5.3f \n", fhPHOSDigits->GetMean(), fhPHOSDigits->GetRMS() ) ; | |
259 | printf(" PHOSRecParticles Mean : %5.3f , RMS : %5.3f \n", fhPHOSRecParticles->GetMean(), fhPHOSRecParticles->GetRMS() ) ; | |
260 | printf(" PHOSPhotons Mean : %5.3f , RMS : %5.3f \n", fhPHOSPhotons->GetMean(), fhPHOSPhotons->GetRMS() ) ; | |
261 | printf(" PHOSInvariantMass Mean : %5.3f , RMS : %5.3f \n", fhPHOSInvariantMass->GetMean(), fhPHOSInvariantMass->GetRMS() ) ; | |
262 | printf(" PHOSDigitsEvent Mean : %5.3f , RMS : %5.3f \n", fhPHOSDigitsEvent->GetMean(), fhPHOSDigitsEvent->GetRMS() ) ; | |
263 | ||
264 | TCanvas * cPHOS = new TCanvas("cPHOS", "PHOS ESD Test", 400, 10, 600, 700) ; | |
265 | cPHOS->Divide(3, 2); | |
266 | ||
267 | cPHOS->cd(1) ; | |
268 | if ( fhPHOSEnergy->GetMaximum() > 0. ) | |
269 | gPad->SetLogy(); | |
270 | fhPHOSEnergy->SetAxisRange(0, 25.); | |
271 | fhPHOSEnergy->SetLineColor(2); | |
272 | fhPHOSEnergy->Draw(); | |
273 | ||
274 | cPHOS->cd(2) ; | |
275 | fhPHOSDigits->SetAxisRange(0,25.); | |
276 | fhPHOSDigits->SetLineColor(2); | |
277 | fhPHOSDigits->Draw(); | |
278 | ||
279 | cPHOS->cd(3) ; | |
280 | if ( fhPHOSRecParticles->GetMaximum() > 0. ) | |
281 | gPad->SetLogy(); | |
282 | fhPHOSRecParticles->SetAxisRange(0, 25.); | |
283 | fhPHOSRecParticles->SetLineColor(2); | |
284 | fhPHOSRecParticles->Draw(); | |
285 | ||
286 | cPHOS->cd(4) ; | |
287 | if ( fhPHOSPhotons->GetMaximum() > 0. ) | |
288 | gPad->SetLogy(); | |
289 | fhPHOSPhotons->SetAxisRange(0,25.); | |
290 | fhPHOSPhotons->SetLineColor(2); | |
291 | fhPHOSPhotons->Draw(); | |
292 | ||
293 | cPHOS->cd(5) ; | |
294 | fhPHOSInvariantMass->SetLineColor(2); | |
295 | fhPHOSInvariantMass->Draw(); | |
296 | ||
297 | cPHOS->cd(6) ; | |
298 | if ( fhPHOSDigitsEvent->GetMaximum() > 0. ) | |
299 | gPad->SetLogy(); | |
300 | fhPHOSDigitsEvent->SetAxisRange(0,40.); | |
301 | fhPHOSDigitsEvent->SetLineColor(2); | |
302 | fhPHOSDigitsEvent->Draw(); | |
303 | ||
304 | cPHOS->Print("PHOS.eps"); | |
305 | ||
306 | char line[1024] ; | |
307 | sprintf(line, ".!tar -zcf %s.tar.gz *.eps", GetName()) ; | |
308 | gROOT->ProcessLine(line); | |
309 | sprintf(line, ".!rm -fR *.eps"); | |
310 | gROOT->ProcessLine(line); | |
311 | ||
312 | AliInfo(Form("!!! All the eps files are in %s.tar.gz !!!", GetName())) ; | |
313 | ||
314 | char * report ; | |
315 | if(problem) | |
316 | report="Problems found, please check!!!"; | |
317 | else | |
318 | report="OK"; | |
319 | ||
320 | AliInfo(Form("*** %s Summary Report: %s \n",GetName(), report)) ; | |
321 | } |