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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" | |
37 | #include "AliESD.h" | |
38 | #include "AliAODEvent.h" | |
39 | #include "AliAODHandler.h" | |
40 | #include "AliLog.h" | |
41 | ||
42 | //______________________________________________________________________________ | |
43 | AliAnaGammaPhos::AliAnaGammaPhos() : | |
44 | fChain(0x0), | |
45 | fDebug(0), | |
46 | fESD(0x0), | |
47 | fAOD(0x0), | |
48 | fAODPhotons(0x0), | |
49 | fPhotonsInPhos(0), | |
50 | fTreeA(0x0), | |
51 | fPhotonId(1.0), | |
52 | fOutputList(0x0), | |
53 | fhPHOS(0), | |
54 | fhPHOSEnergy(0), | |
55 | fhPHOSDigits(0), | |
56 | fhPHOSRecParticles(0), | |
57 | fhPHOSPhotons(0), | |
58 | fhPHOSInvariantMass(0), | |
59 | fhPHOSDigitsEvent(0) | |
60 | { | |
61 | //Default constructor | |
62 | } | |
63 | //______________________________________________________________________________ | |
64 | AliAnaGammaPhos::AliAnaGammaPhos(const char *name) : | |
65 | AliAnalysisTask(name,""), | |
66 | fChain(0x0), | |
67 | fDebug(0), | |
68 | fESD(0x0), | |
69 | fAOD(0x0), | |
70 | fAODPhotons(0x0), | |
71 | fPhotonsInPhos(0), | |
72 | fTreeA(0x0), | |
73 | fPhotonId(1.0), | |
74 | fOutputList(0x0), | |
75 | fhPHOS(0), | |
76 | fhPHOSEnergy(0), | |
77 | fhPHOSDigits(0), | |
78 | fhPHOSRecParticles(0), | |
79 | fhPHOSPhotons(0), | |
80 | fhPHOSInvariantMass(0), | |
81 | fhPHOSDigitsEvent(0) | |
82 | { | |
83 | // Constructor. | |
84 | // Input slot #0 | |
85 | DefineInput(0, TChain::Class()); | |
86 | // Output slots | |
87 | DefineOutput(0, TTree::Class()) ; | |
88 | DefineOutput(1, TList::Class()) ; | |
89 | } | |
90 | ||
91 | //______________________________________________________________________________ | |
92 | AliAnaGammaPhos::~AliAnaGammaPhos() | |
93 | { | |
94 | // dtor | |
95 | fOutputList->Clear() ; | |
96 | delete fOutputList ; | |
97 | } | |
98 | ||
99 | ||
100 | //______________________________________________________________________________ | |
101 | void AliAnaGammaPhos::ConnectInputData(const Option_t*) | |
102 | { | |
103 | // Initialisation of branch container and histograms | |
104 | ||
105 | AliInfo(Form("*** Initialization of %s", GetName())) ; | |
106 | ||
107 | // Get input data | |
108 | fChain = dynamic_cast<TChain *>(GetInputData(0)) ; | |
109 | if (!fChain) { | |
110 | AliError(Form("Input 0 for %s not found\n", GetName())); | |
111 | return ; | |
112 | } | |
113 | ||
114 | // One should first check if the branch address was taken by some other task | |
115 | char ** address = (char **)GetBranchAddress(0, "ESD"); | |
116 | if (address) { | |
117 | fESD = (AliESD*)(*address); | |
118 | } else { | |
119 | fESD = new AliESD(); | |
120 | SetBranchAddress(0, "ESD", &fESD); | |
121 | } | |
122 | } | |
123 | ||
124 | //________________________________________________________________________ | |
125 | void AliAnaGammaPhos::CreateOutputObjects() | |
126 | { | |
127 | // Create the outputs containers | |
128 | ||
129 | OpenFile(0) ; | |
130 | AliAODHandler* handler = (AliAODHandler*) ((AliAnalysisManager::GetAnalysisManager())->GetEventHandler()); | |
131 | fAOD = handler->GetAOD(); | |
132 | fAODPhotons = fAOD->GetClusters() ; | |
133 | ||
134 | OpenFile(1) ; | |
135 | ||
136 | fhPHOSPos = new TNtuple("PHOSPos" , "Position in PHOS" , "x:y:z"); | |
137 | fhPHOS = new TNtuple("PHOS" , "PHOS" , "event:digits:clusters:photons"); | |
138 | fhPHOSEnergy = new TH1D("PHOSEnergy" , "PHOSEnergy" , 1000, 0., 10. ) ; | |
139 | fhPHOSDigits = new TH1I("PHOSDigitsCluster" , "PHOSDigits" , 20 , 0 , 20 ) ; | |
140 | fhPHOSRecParticles = new TH1D("PHOSRecParticles" , "PHOSRecParticles" , 20 , 0., 20. ) ; | |
141 | fhPHOSPhotons = new TH1I("PHOSPhotons" , "PHOSPhotons" , 20 , 0 , 20 ) ; | |
142 | fhPHOSInvariantMass = new TH1D("PHOSInvariantMass" , "PHOSInvariantMass" , 400, 0., 400.) ; | |
143 | fhPHOSDigitsEvent = new TH1I("PHOSDigitsEvent" , "PHOSDigitsEvent" , 30 , 0 , 30 ) ; | |
144 | ||
145 | // create output container | |
146 | ||
147 | fOutputList = new TList() ; | |
148 | fOutputList->SetName(GetName()) ; | |
149 | ||
150 | fOutputList->AddAt(fhPHOSPos, 0) ; | |
151 | fOutputList->AddAt(fhPHOS, 1) ; | |
152 | fOutputList->AddAt(fhPHOSEnergy, 2) ; | |
153 | fOutputList->AddAt(fhPHOSDigits, 3) ; | |
154 | fOutputList->AddAt(fhPHOSRecParticles, 4) ; | |
155 | fOutputList->AddAt(fhPHOSPhotons, 5) ; | |
156 | fOutputList->AddAt(fhPHOSInvariantMass, 6) ; | |
157 | fOutputList->AddAt(fhPHOSDigitsEvent, 7) ; | |
158 | } | |
159 | ||
160 | //______________________________________________________________________________ | |
161 | void AliAnaGammaPhos::Exec(Option_t *) | |
162 | { | |
163 | // Processing of one event | |
164 | ||
165 | Long64_t entry = fChain->GetReadEntry() ; | |
166 | ||
167 | if (!fESD) { | |
168 | AliError("fESD is not connected to the input!") ; | |
169 | return ; | |
170 | } | |
171 | ||
172 | if ( !((entry-1)%100) ) | |
173 | AliInfo(Form("%s ----> Processing event # %lld", (dynamic_cast<TChain *>(fChain))->GetFile()->GetName(), entry)) ; | |
174 | ||
175 | //************************ PHOS ************************************* | |
176 | ||
177 | Int_t firstPhosCluster = fESD->GetFirstPHOSCluster() ; | |
178 | const Int_t numberOfPhosClusters = fESD->GetNumberOfPHOSClusters() ; | |
179 | ||
180 | TVector3 ** phosVector = new TVector3*[numberOfPhosClusters] ; | |
181 | Float_t * phosPhotonsEnergy = new Float_t[numberOfPhosClusters] ; | |
182 | Int_t phosCluster ; | |
183 | Int_t numberOfDigitsInPhos = 0 ; | |
184 | ||
185 | fPhotonsInPhos = 0 ; | |
186 | // loop over the PHOS Cluster | |
187 | for(phosCluster = firstPhosCluster ; phosCluster < firstPhosCluster + numberOfPhosClusters ; phosCluster++) { | |
188 | AliESDCaloCluster * caloCluster = fESD->GetCaloCluster(phosCluster) ; | |
189 | if (caloCluster) { | |
190 | Float_t pos[3] ; | |
191 | caloCluster->GetGlobalPosition( pos ) ; | |
192 | fhPHOSEnergy->Fill( caloCluster->GetClusterEnergy() ) ; | |
193 | fhPHOSPos->Fill( pos[0], pos[1], pos[2] ) ; | |
194 | fhPHOSDigits->Fill(entry, caloCluster->GetNumberOfDigits() ) ; | |
195 | numberOfDigitsInPhos += caloCluster->GetNumberOfDigits() ; | |
196 | Float_t * pid = caloCluster->GetPid() ; | |
197 | if(pid[AliPID::kPhoton] > GetPhotonId() ) { | |
198 | phosVector[fPhotonsInPhos] = new TVector3(pos[0],pos[1],pos[2]) ; | |
199 | phosPhotonsEnergy[fPhotonsInPhos]=caloCluster->GetClusterEnergy() ; | |
200 | //new ((*fAODPhotons)[fPhotonsInPhos++;]) AliAODPhoton ( ); | |
201 | } | |
202 | } | |
203 | } //PHOS clusters | |
204 | ||
205 | fhPHOSRecParticles->Fill(numberOfPhosClusters); | |
206 | fhPHOSPhotons->Fill(fPhotonsInPhos); | |
207 | fhPHOSDigitsEvent->Fill(numberOfDigitsInPhos); | |
208 | fhPHOS->Fill(entry, numberOfDigitsInPhos, numberOfPhosClusters, fPhotonsInPhos) ; | |
209 | ||
210 | // invariant Mass | |
211 | if (fPhotonsInPhos > 1 ) { | |
212 | Int_t phosPhoton1, phosPhoton2 ; | |
213 | for(phosPhoton1 = 0 ; phosPhoton1 < fPhotonsInPhos ; phosPhoton1++) { | |
214 | for(phosPhoton2 = phosPhoton1 + 1 ; phosPhoton2 < fPhotonsInPhos ; phosPhoton2++) { | |
215 | Float_t tempMass = TMath::Sqrt( 2 * phosPhotonsEnergy[phosPhoton1] * phosPhotonsEnergy[phosPhoton2] * | |
216 | ( 1 - TMath::Cos(phosVector[phosPhoton1]->Angle(*phosVector[phosPhoton2])) ) | |
217 | ); | |
218 | fhPHOSInvariantMass->Fill(tempMass*1000.); | |
219 | } | |
220 | } | |
221 | } | |
222 | ||
223 | PostData(0, fTreeA) ; | |
224 | PostData(1, fOutputList); | |
225 | ||
226 | delete [] phosVector ; | |
227 | delete [] phosPhotonsEnergy ; | |
228 | ||
229 | } | |
230 | ||
231 | ||
232 | //______________________________________________________________________________ | |
233 | void AliAnaGammaPhos::Init() | |
234 | { | |
235 | // Intialisation of parameters | |
236 | AliInfo("Doing initialisation") ; | |
237 | SetPhotonId(0.9) ; | |
238 | } | |
239 | ||
240 | //______________________________________________________________________________ | |
241 | void AliAnaGammaPhos::Terminate(Option_t *) | |
242 | { | |
243 | // Processing when the event loop is ended | |
244 | ||
245 | fOutputList = (TList*)GetOutputData(1); | |
246 | fhPHOSPos = (TNtuple*)fOutputList->At(0); | |
247 | fhPHOS = (TNtuple*)fOutputList->At(1); | |
248 | fhPHOSEnergy = (TH1D*)fOutputList->At(2); | |
249 | fhPHOSDigits = (TH1I*)fOutputList->At(3); | |
250 | fhPHOSRecParticles = (TH1D*)fOutputList->At(4); | |
251 | fhPHOSPhotons = (TH1I*)fOutputList->At(5); | |
252 | fhPHOSInvariantMass = (TH1D*)fOutputList->At(6); | |
253 | fhPHOSDigitsEvent = (TH1I*)fOutputList->At(7); | |
254 | ||
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 | } |