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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 | **************************************************************************/ | |
0b28fd57 | 15 | |
16 | /* $Id$ */ | |
17 | ||
1dfe075f | 18 | //_________________________________________________________________________ |
19 | // An analysis task to check the PHOS photon data in simulated data | |
20 | // | |
21 | //*-- Yves Schutz | |
22 | ////////////////////////////////////////////////////////////////////////////// | |
23 | ||
0b28fd57 | 24 | #include <TCanvas.h> |
1dfe075f | 25 | #include <TChain.h> |
0b28fd57 | 26 | #include <TFile.h> |
1dfe075f | 27 | #include <TH1.h> |
28 | #include <TH1F.h> | |
29 | #include <TH1I.h> | |
1dfe075f | 30 | #include <TLegend.h> |
0b28fd57 | 31 | #include <TNtuple.h> |
32 | #include <TROOT.h> | |
1dfe075f | 33 | #include <TVector3.h> |
1dfe075f | 34 | |
35 | #include "AliPHOSQATask.h" | |
36 | #include "AliESD.h" | |
37 | #include "AliLog.h" | |
38 | ||
39 | //______________________________________________________________________________ | |
40 | AliPHOSQATask::AliPHOSQATask(const char *name) : | |
41 | AliAnalysisTask(name,""), | |
42 | fChain(0), | |
43 | fESD(0), | |
44 | fhPHOS(0), | |
45 | fhPHOSEnergy(0), | |
46 | fhPHOSDigits(0), | |
47 | fhPHOSRecParticles(0), | |
48 | fhPHOSPhotons(0), | |
49 | fhPHOSInvariantMass(0), | |
50 | fhPHOSDigitsEvent(0) | |
51 | { | |
52 | // Constructor. | |
53 | // Input slot #0 works with an Ntuple | |
54 | DefineInput(0, TChain::Class()); | |
55 | // Output slot #0 writes into a TH1 container | |
56 | DefineOutput(0, TObjArray::Class()) ; | |
57 | } | |
58 | ||
59 | //______________________________________________________________________________ | |
60 | AliPHOSQATask::~AliPHOSQATask() | |
61 | { | |
62 | // dtor | |
63 | fOutputContainer->Clear() ; | |
64 | delete fOutputContainer ; | |
65 | ||
66 | delete fhPHOSPos ; | |
67 | delete fhPHOS ; | |
68 | delete fhPHOSEnergy ; | |
69 | delete fhPHOSDigits ; | |
70 | delete fhPHOSRecParticles ; | |
71 | delete fhPHOSPhotons ; | |
72 | delete fhPHOSInvariantMass ; | |
73 | delete fhPHOSDigitsEvent ; | |
74 | } | |
75 | ||
76 | ||
77 | //______________________________________________________________________________ | |
78 | void AliPHOSQATask::Init(const Option_t*) | |
79 | { | |
80 | // Initialisation of branch container and histograms | |
81 | ||
82 | AliInfo(Form("*** Initialization of %s", GetName())) ; | |
83 | ||
84 | // Get input data | |
85 | fChain = dynamic_cast<TChain *>(GetInputData(0)) ; | |
86 | if (!fChain) { | |
87 | AliError(Form("Input 0 for %s not found\n", GetName())); | |
88 | return ; | |
89 | } | |
90 | ||
91 | if (!fESD) { | |
92 | // One should first check if the branch address was taken by some other task | |
93 | char ** address = (char **)GetBranchAddress(0, "ESD") ; | |
94 | if (address) | |
95 | fESD = (AliESD *)(*address) ; | |
96 | if (!fESD) | |
97 | fChain->SetBranchAddress("ESD", &fESD) ; | |
98 | } | |
99 | // The output objects will be written to | |
100 | TDirectory * cdir = gDirectory ; | |
101 | // Open a file for output #0 | |
102 | char outputName[1024] ; | |
103 | sprintf(outputName, "%s.root", GetName() ) ; | |
104 | OpenFile(0, outputName , "RECREATE") ; | |
105 | if (cdir) | |
106 | cdir->cd() ; | |
107 | ||
108 | // create histograms | |
109 | ||
110 | fhPHOSPos = new TNtuple("PHOSPos" , "Position in PHOS" , "x:y:z"); | |
111 | fhPHOS = new TNtuple("PHOS" , "PHOS" , "event:digits:clusters:photons"); | |
112 | fhPHOSEnergy = new TH1D("PHOSEnergy" , "PHOSEnergy" , 1000, 0., 10. ) ; | |
113 | fhPHOSDigits = new TH1I("PHOSDigitsCluster" , "PHOSDigits" , 20 , 0 , 20 ) ; | |
114 | fhPHOSRecParticles = new TH1D("PHOSRecParticles" , "PHOSRecParticles" , 20 , 0., 20. ) ; | |
115 | fhPHOSPhotons = new TH1I("PHOSPhotons" , "PHOSPhotons" , 20 , 0 , 20 ) ; | |
116 | fhPHOSInvariantMass = new TH1D("PHOSInvariantMass" , "PHOSInvariantMass" , 400, 0., 400.) ; | |
117 | fhPHOSDigitsEvent = new TH1I("PHOSDigitsEvent" , "PHOSDigitsEvent" , 30 , 0 , 30 ) ; | |
118 | ||
119 | // create output container | |
120 | ||
121 | fOutputContainer = new TObjArray(8) ; | |
122 | fOutputContainer->SetName(GetName()) ; | |
123 | ||
124 | fOutputContainer->AddAt(fhPHOSPos, 0) ; | |
125 | fOutputContainer->AddAt(fhPHOS, 1) ; | |
126 | fOutputContainer->AddAt(fhPHOSEnergy, 2) ; | |
127 | fOutputContainer->AddAt(fhPHOSDigits, 3) ; | |
128 | fOutputContainer->AddAt(fhPHOSRecParticles, 4) ; | |
129 | fOutputContainer->AddAt(fhPHOSPhotons, 5) ; | |
130 | fOutputContainer->AddAt(fhPHOSInvariantMass, 6) ; | |
131 | fOutputContainer->AddAt(fhPHOSDigitsEvent, 7) ; | |
132 | } | |
133 | ||
134 | //______________________________________________________________________________ | |
135 | void AliPHOSQATask::Exec(Option_t *) | |
136 | { | |
137 | // Processing of one event | |
138 | ||
139 | Long64_t entry = fChain->GetReadEntry() ; | |
140 | ||
141 | if (!fESD) { | |
142 | AliError("fESD is not connected to the input!") ; | |
143 | return ; | |
144 | } | |
145 | ||
146 | if ( !((entry-1)%100) ) | |
147 | AliInfo(Form("%s ----> Processing event # %lld", (dynamic_cast<TChain *>(fChain))->GetFile()->GetName(), entry)) ; | |
148 | ||
149 | //************************ PHOS ************************************* | |
150 | ||
151 | Int_t firstPhosCluster = fESD->GetFirstPHOSCluster() ; | |
152 | const Int_t numberOfPhosClusters = fESD->GetNumberOfPHOSClusters() ; | |
153 | ||
154 | TVector3 ** phosVector = new TVector3*[numberOfPhosClusters] ; | |
155 | Float_t * phosPhotonsEnergy = new Float_t[numberOfPhosClusters] ; | |
156 | Int_t phosCluster ; | |
157 | Int_t numberOfPhotonsInPhos = 0 ; | |
158 | Int_t numberOfDigitsInPhos = 0 ; | |
159 | ||
160 | // loop over the PHOS Cluster | |
161 | for(phosCluster = firstPhosCluster ; phosCluster < firstPhosCluster + numberOfPhosClusters ; phosCluster++) { | |
162 | AliESDCaloCluster * caloCluster = fESD->GetCaloCluster(phosCluster) ; | |
163 | if (caloCluster) { | |
164 | Float_t pos[3] ; | |
165 | caloCluster->GetGlobalPosition( pos ) ; | |
166 | fhPHOSEnergy->Fill( caloCluster->GetClusterEnergy() ) ; | |
167 | fhPHOSPos->Fill( pos[0], pos[1], pos[2] ) ; | |
168 | fhPHOSDigits->Fill(entry, caloCluster->GetNumberOfDigits() ) ; | |
169 | numberOfDigitsInPhos += caloCluster->GetNumberOfDigits() ; | |
170 | Float_t * pid = caloCluster->GetPid() ; | |
171 | if(pid[AliPID::kPhoton] > 0.9) { | |
172 | phosVector[numberOfPhotonsInPhos] = new TVector3(pos[0],pos[1],pos[2]) ; | |
173 | phosPhotonsEnergy[numberOfPhotonsInPhos]=caloCluster->GetClusterEnergy() ; | |
174 | numberOfPhotonsInPhos++; | |
175 | } | |
176 | } | |
177 | } //PHOS clusters | |
178 | ||
179 | fhPHOSRecParticles->Fill(numberOfPhosClusters); | |
180 | fhPHOSPhotons->Fill(numberOfPhotonsInPhos); | |
181 | fhPHOSDigitsEvent->Fill(numberOfDigitsInPhos); | |
182 | fhPHOS->Fill(entry, numberOfDigitsInPhos, numberOfPhosClusters, numberOfPhotonsInPhos) ; | |
183 | ||
184 | // invariant Mass | |
185 | if (numberOfPhotonsInPhos > 1 ) { | |
186 | Int_t phosPhoton1, phosPhoton2 ; | |
187 | for(phosPhoton1 = 0 ; phosPhoton1 < numberOfPhotonsInPhos ; phosPhoton1++) { | |
188 | for(phosPhoton2 = phosPhoton1 + 1 ; phosPhoton2 < numberOfPhotonsInPhos ; phosPhoton2++) { | |
189 | Float_t tempMass = TMath::Sqrt( 2 * phosPhotonsEnergy[phosPhoton1] * phosPhotonsEnergy[phosPhoton2] * | |
190 | ( 1 - TMath::Cos(phosVector[phosPhoton1]->Angle(*phosVector[phosPhoton2])) ) | |
191 | ); | |
192 | fhPHOSInvariantMass->Fill(tempMass*1000.); | |
193 | } | |
194 | } | |
195 | } | |
196 | ||
197 | PostData(0, fOutputContainer); | |
198 | ||
199 | delete [] phosVector ; | |
200 | delete [] phosPhotonsEnergy ; | |
201 | ||
202 | } | |
203 | ||
204 | //______________________________________________________________________________ | |
205 | void AliPHOSQATask::Terminate(Option_t *) | |
206 | { | |
207 | // Processing when the event loop is ended | |
208 | ||
209 | printf("PHOSEnergy Mean : %5.3f , RMS : %5.3f \n", fhPHOSEnergy->GetMean(), fhPHOSEnergy->GetRMS() ) ; | |
210 | printf("PHOSDigits Mean : %5.3f , RMS : %5.3f \n", fhPHOSDigits->GetMean(), fhPHOSDigits->GetRMS() ) ; | |
211 | printf("PHOSRecParticles Mean : %5.3f , RMS : %5.3f \n", fhPHOSRecParticles->GetMean(), fhPHOSRecParticles->GetRMS() ) ; | |
212 | printf("PHOSPhotons Mean : %5.3f , RMS : %5.3f \n", fhPHOSPhotons->GetMean(), fhPHOSPhotons->GetRMS() ) ; | |
213 | printf("PHOSInvariantMass Mean : %5.3f , RMS : %5.3f \n", fhPHOSInvariantMass->GetMean(), fhPHOSInvariantMass->GetRMS() ) ; | |
214 | printf("PHOSDigitsEvent Mean : %5.3f , RMS : %5.3f \n", fhPHOSDigitsEvent->GetMean(), fhPHOSDigitsEvent->GetRMS() ) ; | |
215 | ||
216 | TCanvas * cPHOS = new TCanvas("cPHOS", "PHOS ESD Test", 400, 10, 600, 700) ; | |
217 | cPHOS->Divide(3, 2); | |
218 | ||
219 | cPHOS->cd(1) ; | |
220 | gPad->SetLogy(); | |
221 | fhPHOSEnergy->SetAxisRange(0, 25.); | |
222 | fhPHOSEnergy->SetLineColor(2); | |
223 | fhPHOSEnergy->Draw(); | |
224 | ||
225 | cPHOS->cd(2) ; | |
226 | fhPHOSDigits->SetAxisRange(0,25.); | |
227 | fhPHOSDigits->SetLineColor(2); | |
228 | fhPHOSDigits->Draw(); | |
229 | ||
230 | cPHOS->cd(3) ; | |
231 | gPad->SetLogy(); | |
232 | fhPHOSRecParticles->SetAxisRange(0, 25.); | |
233 | fhPHOSRecParticles->SetLineColor(2); | |
234 | fhPHOSRecParticles->Draw(); | |
235 | ||
236 | cPHOS->cd(4) ; | |
237 | gPad->SetLogy(); | |
238 | fhPHOSPhotons->SetAxisRange(0,25.); | |
239 | fhPHOSPhotons->SetLineColor(2); | |
240 | fhPHOSPhotons->Draw(); | |
241 | ||
242 | cPHOS->cd(5) ; | |
243 | fhPHOSInvariantMass->SetLineColor(2); | |
244 | fhPHOSInvariantMass->Draw(); | |
245 | ||
246 | cPHOS->cd(6) ; | |
247 | gPad->SetLogy(); | |
248 | fhPHOSDigitsEvent->SetAxisRange(0,40.); | |
249 | fhPHOSDigitsEvent->SetLineColor(2); | |
250 | fhPHOSDigitsEvent->Draw(); | |
251 | ||
252 | cPHOS->Print("PHOS.eps"); | |
253 | ||
254 | char line[1024] ; | |
255 | sprintf(line, ".!tar -zcvf %s.tar.gz *.eps", GetName()) ; | |
256 | gROOT->ProcessLine(line); | |
257 | sprintf(line, ".!rm -fR *.eps"); | |
258 | gROOT->ProcessLine(line); | |
259 | ||
260 | AliInfo(Form("!!! All the eps files are in %s.tar.gz !!! \n", GetName())) ; | |
261 | } |