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1dfe075f | 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 | // An analysis task to check the PHOS photon data in simulated data | |
17 | // | |
18 | //*-- Yves Schutz | |
19 | ////////////////////////////////////////////////////////////////////////////// | |
20 | ||
21 | #include <TChain.h> | |
22 | #include <TH1.h> | |
23 | #include <TH1F.h> | |
24 | #include <TH1I.h> | |
25 | #include <TNtuple.h> | |
26 | #include <TCanvas.h> | |
27 | #include <TLegend.h> | |
28 | #include <TVector3.h> | |
29 | #include <TFile.h> | |
30 | ||
31 | #include "AliPHOSQATask.h" | |
32 | #include "AliESD.h" | |
33 | #include "AliLog.h" | |
34 | ||
35 | //______________________________________________________________________________ | |
36 | AliPHOSQATask::AliPHOSQATask(const char *name) : | |
37 | AliAnalysisTask(name,""), | |
38 | fChain(0), | |
39 | fESD(0), | |
40 | fhPHOS(0), | |
41 | fhPHOSEnergy(0), | |
42 | fhPHOSDigits(0), | |
43 | fhPHOSRecParticles(0), | |
44 | fhPHOSPhotons(0), | |
45 | fhPHOSInvariantMass(0), | |
46 | fhPHOSDigitsEvent(0) | |
47 | { | |
48 | // Constructor. | |
49 | // Input slot #0 works with an Ntuple | |
50 | DefineInput(0, TChain::Class()); | |
51 | // Output slot #0 writes into a TH1 container | |
52 | DefineOutput(0, TObjArray::Class()) ; | |
53 | } | |
54 | ||
55 | //______________________________________________________________________________ | |
56 | AliPHOSQATask::~AliPHOSQATask() | |
57 | { | |
58 | // dtor | |
59 | fOutputContainer->Clear() ; | |
60 | delete fOutputContainer ; | |
61 | ||
62 | delete fhPHOSPos ; | |
63 | delete fhPHOS ; | |
64 | delete fhPHOSEnergy ; | |
65 | delete fhPHOSDigits ; | |
66 | delete fhPHOSRecParticles ; | |
67 | delete fhPHOSPhotons ; | |
68 | delete fhPHOSInvariantMass ; | |
69 | delete fhPHOSDigitsEvent ; | |
70 | } | |
71 | ||
72 | ||
73 | //______________________________________________________________________________ | |
74 | void AliPHOSQATask::Init(const Option_t*) | |
75 | { | |
76 | // Initialisation of branch container and histograms | |
77 | ||
78 | AliInfo(Form("*** Initialization of %s", GetName())) ; | |
79 | ||
80 | // Get input data | |
81 | fChain = dynamic_cast<TChain *>(GetInputData(0)) ; | |
82 | if (!fChain) { | |
83 | AliError(Form("Input 0 for %s not found\n", GetName())); | |
84 | return ; | |
85 | } | |
86 | ||
87 | if (!fESD) { | |
88 | // One should first check if the branch address was taken by some other task | |
89 | char ** address = (char **)GetBranchAddress(0, "ESD") ; | |
90 | if (address) | |
91 | fESD = (AliESD *)(*address) ; | |
92 | if (!fESD) | |
93 | fChain->SetBranchAddress("ESD", &fESD) ; | |
94 | } | |
95 | // The output objects will be written to | |
96 | TDirectory * cdir = gDirectory ; | |
97 | // Open a file for output #0 | |
98 | char outputName[1024] ; | |
99 | sprintf(outputName, "%s.root", GetName() ) ; | |
100 | OpenFile(0, outputName , "RECREATE") ; | |
101 | if (cdir) | |
102 | cdir->cd() ; | |
103 | ||
104 | // create histograms | |
105 | ||
106 | fhPHOSPos = new TNtuple("PHOSPos" , "Position in PHOS" , "x:y:z"); | |
107 | fhPHOS = new TNtuple("PHOS" , "PHOS" , "event:digits:clusters:photons"); | |
108 | fhPHOSEnergy = new TH1D("PHOSEnergy" , "PHOSEnergy" , 1000, 0., 10. ) ; | |
109 | fhPHOSDigits = new TH1I("PHOSDigitsCluster" , "PHOSDigits" , 20 , 0 , 20 ) ; | |
110 | fhPHOSRecParticles = new TH1D("PHOSRecParticles" , "PHOSRecParticles" , 20 , 0., 20. ) ; | |
111 | fhPHOSPhotons = new TH1I("PHOSPhotons" , "PHOSPhotons" , 20 , 0 , 20 ) ; | |
112 | fhPHOSInvariantMass = new TH1D("PHOSInvariantMass" , "PHOSInvariantMass" , 400, 0., 400.) ; | |
113 | fhPHOSDigitsEvent = new TH1I("PHOSDigitsEvent" , "PHOSDigitsEvent" , 30 , 0 , 30 ) ; | |
114 | ||
115 | // create output container | |
116 | ||
117 | fOutputContainer = new TObjArray(8) ; | |
118 | fOutputContainer->SetName(GetName()) ; | |
119 | ||
120 | fOutputContainer->AddAt(fhPHOSPos, 0) ; | |
121 | fOutputContainer->AddAt(fhPHOS, 1) ; | |
122 | fOutputContainer->AddAt(fhPHOSEnergy, 2) ; | |
123 | fOutputContainer->AddAt(fhPHOSDigits, 3) ; | |
124 | fOutputContainer->AddAt(fhPHOSRecParticles, 4) ; | |
125 | fOutputContainer->AddAt(fhPHOSPhotons, 5) ; | |
126 | fOutputContainer->AddAt(fhPHOSInvariantMass, 6) ; | |
127 | fOutputContainer->AddAt(fhPHOSDigitsEvent, 7) ; | |
128 | } | |
129 | ||
130 | //______________________________________________________________________________ | |
131 | void AliPHOSQATask::Exec(Option_t *) | |
132 | { | |
133 | // Processing of one event | |
134 | ||
135 | Long64_t entry = fChain->GetReadEntry() ; | |
136 | ||
137 | if (!fESD) { | |
138 | AliError("fESD is not connected to the input!") ; | |
139 | return ; | |
140 | } | |
141 | ||
142 | if ( !((entry-1)%100) ) | |
143 | AliInfo(Form("%s ----> Processing event # %lld", (dynamic_cast<TChain *>(fChain))->GetFile()->GetName(), entry)) ; | |
144 | ||
145 | //************************ PHOS ************************************* | |
146 | ||
147 | Int_t firstPhosCluster = fESD->GetFirstPHOSCluster() ; | |
148 | const Int_t numberOfPhosClusters = fESD->GetNumberOfPHOSClusters() ; | |
149 | ||
150 | TVector3 ** phosVector = new TVector3*[numberOfPhosClusters] ; | |
151 | Float_t * phosPhotonsEnergy = new Float_t[numberOfPhosClusters] ; | |
152 | Int_t phosCluster ; | |
153 | Int_t numberOfPhotonsInPhos = 0 ; | |
154 | Int_t numberOfDigitsInPhos = 0 ; | |
155 | ||
156 | // loop over the PHOS Cluster | |
157 | for(phosCluster = firstPhosCluster ; phosCluster < firstPhosCluster + numberOfPhosClusters ; phosCluster++) { | |
158 | AliESDCaloCluster * caloCluster = fESD->GetCaloCluster(phosCluster) ; | |
159 | if (caloCluster) { | |
160 | Float_t pos[3] ; | |
161 | caloCluster->GetGlobalPosition( pos ) ; | |
162 | fhPHOSEnergy->Fill( caloCluster->GetClusterEnergy() ) ; | |
163 | fhPHOSPos->Fill( pos[0], pos[1], pos[2] ) ; | |
164 | fhPHOSDigits->Fill(entry, caloCluster->GetNumberOfDigits() ) ; | |
165 | numberOfDigitsInPhos += caloCluster->GetNumberOfDigits() ; | |
166 | Float_t * pid = caloCluster->GetPid() ; | |
167 | if(pid[AliPID::kPhoton] > 0.9) { | |
168 | phosVector[numberOfPhotonsInPhos] = new TVector3(pos[0],pos[1],pos[2]) ; | |
169 | phosPhotonsEnergy[numberOfPhotonsInPhos]=caloCluster->GetClusterEnergy() ; | |
170 | numberOfPhotonsInPhos++; | |
171 | } | |
172 | } | |
173 | } //PHOS clusters | |
174 | ||
175 | fhPHOSRecParticles->Fill(numberOfPhosClusters); | |
176 | fhPHOSPhotons->Fill(numberOfPhotonsInPhos); | |
177 | fhPHOSDigitsEvent->Fill(numberOfDigitsInPhos); | |
178 | fhPHOS->Fill(entry, numberOfDigitsInPhos, numberOfPhosClusters, numberOfPhotonsInPhos) ; | |
179 | ||
180 | // invariant Mass | |
181 | if (numberOfPhotonsInPhos > 1 ) { | |
182 | Int_t phosPhoton1, phosPhoton2 ; | |
183 | for(phosPhoton1 = 0 ; phosPhoton1 < numberOfPhotonsInPhos ; phosPhoton1++) { | |
184 | for(phosPhoton2 = phosPhoton1 + 1 ; phosPhoton2 < numberOfPhotonsInPhos ; phosPhoton2++) { | |
185 | Float_t tempMass = TMath::Sqrt( 2 * phosPhotonsEnergy[phosPhoton1] * phosPhotonsEnergy[phosPhoton2] * | |
186 | ( 1 - TMath::Cos(phosVector[phosPhoton1]->Angle(*phosVector[phosPhoton2])) ) | |
187 | ); | |
188 | fhPHOSInvariantMass->Fill(tempMass*1000.); | |
189 | } | |
190 | } | |
191 | } | |
192 | ||
193 | PostData(0, fOutputContainer); | |
194 | ||
195 | delete [] phosVector ; | |
196 | delete [] phosPhotonsEnergy ; | |
197 | ||
198 | } | |
199 | ||
200 | //______________________________________________________________________________ | |
201 | void AliPHOSQATask::Terminate(Option_t *) | |
202 | { | |
203 | // Processing when the event loop is ended | |
204 | ||
205 | printf("PHOSEnergy Mean : %5.3f , RMS : %5.3f \n", fhPHOSEnergy->GetMean(), fhPHOSEnergy->GetRMS() ) ; | |
206 | printf("PHOSDigits Mean : %5.3f , RMS : %5.3f \n", fhPHOSDigits->GetMean(), fhPHOSDigits->GetRMS() ) ; | |
207 | printf("PHOSRecParticles Mean : %5.3f , RMS : %5.3f \n", fhPHOSRecParticles->GetMean(), fhPHOSRecParticles->GetRMS() ) ; | |
208 | printf("PHOSPhotons Mean : %5.3f , RMS : %5.3f \n", fhPHOSPhotons->GetMean(), fhPHOSPhotons->GetRMS() ) ; | |
209 | printf("PHOSInvariantMass Mean : %5.3f , RMS : %5.3f \n", fhPHOSInvariantMass->GetMean(), fhPHOSInvariantMass->GetRMS() ) ; | |
210 | printf("PHOSDigitsEvent Mean : %5.3f , RMS : %5.3f \n", fhPHOSDigitsEvent->GetMean(), fhPHOSDigitsEvent->GetRMS() ) ; | |
211 | ||
212 | TCanvas * cPHOS = new TCanvas("cPHOS", "PHOS ESD Test", 400, 10, 600, 700) ; | |
213 | cPHOS->Divide(3, 2); | |
214 | ||
215 | cPHOS->cd(1) ; | |
216 | gPad->SetLogy(); | |
217 | fhPHOSEnergy->SetAxisRange(0, 25.); | |
218 | fhPHOSEnergy->SetLineColor(2); | |
219 | fhPHOSEnergy->Draw(); | |
220 | ||
221 | cPHOS->cd(2) ; | |
222 | fhPHOSDigits->SetAxisRange(0,25.); | |
223 | fhPHOSDigits->SetLineColor(2); | |
224 | fhPHOSDigits->Draw(); | |
225 | ||
226 | cPHOS->cd(3) ; | |
227 | gPad->SetLogy(); | |
228 | fhPHOSRecParticles->SetAxisRange(0, 25.); | |
229 | fhPHOSRecParticles->SetLineColor(2); | |
230 | fhPHOSRecParticles->Draw(); | |
231 | ||
232 | cPHOS->cd(4) ; | |
233 | gPad->SetLogy(); | |
234 | fhPHOSPhotons->SetAxisRange(0,25.); | |
235 | fhPHOSPhotons->SetLineColor(2); | |
236 | fhPHOSPhotons->Draw(); | |
237 | ||
238 | cPHOS->cd(5) ; | |
239 | fhPHOSInvariantMass->SetLineColor(2); | |
240 | fhPHOSInvariantMass->Draw(); | |
241 | ||
242 | cPHOS->cd(6) ; | |
243 | gPad->SetLogy(); | |
244 | fhPHOSDigitsEvent->SetAxisRange(0,40.); | |
245 | fhPHOSDigitsEvent->SetLineColor(2); | |
246 | fhPHOSDigitsEvent->Draw(); | |
247 | ||
248 | cPHOS->Print("PHOS.eps"); | |
249 | ||
250 | char line[1024] ; | |
251 | sprintf(line, ".!tar -zcvf %s.tar.gz *.eps", GetName()) ; | |
252 | gROOT->ProcessLine(line); | |
253 | sprintf(line, ".!rm -fR *.eps"); | |
254 | gROOT->ProcessLine(line); | |
255 | ||
256 | AliInfo(Form("!!! All the eps files are in %s.tar.gz !!! \n", GetName())) ; | |
257 | } |