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12391a12 | 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 | /* $Id$ */ | |
16 | //_________________________________________________________________________ | |
17 | // Macros analyzing the ESD file | |
18 | // Use Case : | |
19 | // root> .L AnaESD.C++ | |
20 | // root> ana() --> prints the objects stored in ESD | |
21 | // | |
22 | // author : Yves Schutz (CERN/SUBATECH) | |
23 | // February 2004 | |
24 | //_________________________________________________________________________ | |
e82c1b8f | 25 | #if !defined(__CINT__) || defined(__MAKECINT__) |
baf5b427 | 26 | #include "TFile.h" |
c7f69b3a | 27 | #include "TMath.h" |
d6faca62 | 28 | #include "TH1D.h" |
a90d1169 | 29 | #include "TROOT.h" |
30 | #include "TBrowser.h" | |
baf5b427 | 31 | #include "AliPHOSGetter.h" |
2631352f | 32 | #include "AliPHOSGeometry.h" |
baf5b427 | 33 | #include "Riostream.h" |
34 | #include "AliESD.h" | |
c7f69b3a | 35 | #include "AliESDtrack.h" |
1d13ffb1 | 36 | #include "AliESDCaloTrack.h" |
37 | #include "AliEMCALRecParticle.h" | |
38 | #include "AliPHOSRecParticle.h" | |
c7f69b3a | 39 | #include "AliKalmanTrack.h" |
44913864 | 40 | #include "AliPHOSGridFile.h" |
e82c1b8f | 41 | #endif |
baf5b427 | 42 | |
a90d1169 | 43 | Bool_t AnaESD(TString filename) ; |
44 | void Match(AliESDtrack * ct, AliESDtrack * cp, Double_t * dist) ; | |
03b531f2 | 45 | |
a90d1169 | 46 | |
47 | //__________________________________________________________________________ | |
d31d94a8 | 48 | Bool_t Ana(const TString type = "per5", const Int_t run = 1, const Int_t nOfEvt = 1) |
d6faca62 | 49 | { |
a90d1169 | 50 | // Analyzes data from the AliEn data catalog |
51 | ||
52 | // Data Challenge identification | |
53 | const TString kYear("2004") ; | |
54 | const TString kProd("02") ; | |
55 | const TString kVers("V4.01.Rev.00") ; | |
56 | ||
44913864 | 57 | // get the LFN file name in the Grid catalogue ; |
58 | AliPHOSGridFile lfn ; | |
59 | if (!lfn.IsConnected()) | |
60 | return kFALSE ; | |
d31d94a8 | 61 | lfn.SetPath(kYear, kProd, kVers, type) ; |
62 | lfn.SetRun(run) ; | |
d6faca62 | 63 | |
d31d94a8 | 64 | //loop over the events |
65 | Int_t nevt, evt = 0 ; | |
66 | for (nevt = 0 ; nevt < nOfEvt ; nevt++) { | |
67 | evt++ ; | |
68 | lfn.SetEvt(evt) ; | |
69 | TString fileName = lfn.GetLFN() ; | |
70 | ||
71 | if (fileName.IsNull()) { | |
72 | nevt-- ; | |
73 | continue ; | |
74 | } | |
75 | ||
76 | printf(">>>>>>>>>>>> Processing %s-%s/%s/%s : run # %d event # %d \n", | |
a90d1169 | 77 | kYear.Data(), kProd.Data(), kVers.Data(), type.Data(), run, evt) ; |
78 | AnaESD(fileName) ; | |
79 | } | |
80 | return kTRUE ; | |
81 | } | |
82 | ||
83 | //__________________________________________________________________________ | |
84 | Bool_t AnaESD(TString fileName) | |
85 | { | |
86 | // Analyze ESD from file fileName | |
87 | // calo track histograms ; | |
88 | ||
997082a4 | 89 | TFile * out = new TFile("AOD.root", "RECREATE") ; |
90 | TH1D * hCaloEnergyA = 0 ; | |
91 | TH1D * hCaloEnergyE = 0 ; | |
92 | TH1D * hCaloEnergyG = 0 ; | |
93 | TH1D * hCaloEnergyP = 0 ; | |
a90d1169 | 94 | TH1D * heta = 0 ; |
95 | TH1D * hphi = 0 ; | |
96 | Double_t dist[3] ; | |
97 | ||
98 | AliPHOSGetter * gime = AliPHOSGetter::Instance(fileName) ; | |
99 | ||
100 | Int_t nEvent = gime->MaxEvent() ; | |
101 | Int_t event ; | |
102 | AliESD * esd = 0 ; | |
103 | for (event = 0 ; event < nEvent; event++) { | |
104 | cout << "AnaESD : Processing event # " << event << endl ; | |
105 | esd = gime->ESD(event) ; | |
106 | if (!esd) | |
107 | return kFALSE ; | |
d31d94a8 | 108 | |
a90d1169 | 109 | //esd->Print(); |
110 | // Calorimeter tracks | |
111 | AliESDtrack * ct ; | |
112 | Int_t caloindex ; | |
113 | for (caloindex = 0 ; caloindex < esd->GetNumberOfTracks() ; caloindex++) { | |
114 | // get the tracks and check if it is from PHOS | |
115 | ct = esd->GetTrack(caloindex) ; | |
116 | if ( !ct->IsPHOS() ) | |
117 | continue ; | |
118 | Double_t energy = ct->GetPHOSsignal() ; | |
997082a4 | 119 | // check if CPV bit is set (see AliPHOSFastRecParticle) |
120 | Double_t type[AliESDtrack::kSPECIES+4] ; | |
121 | ct->GetPHOSpid(type) ; | |
122 | ||
123 | if ( (type[AliESDtrack::kElectron] == 1.0) || (type[AliESDtrack::kPhoton] == 1.0) ) { | |
124 | if(!hCaloEnergyA) { | |
125 | out->cd() ; | |
126 | hCaloEnergyA = new TH1D("CaloEnergyA", "Energy in calorimeter Electron/Photon like", 500, 0., 50.) ; | |
127 | } | |
128 | hCaloEnergyA->Fill(energy) ; | |
a90d1169 | 129 | } |
997082a4 | 130 | |
131 | if ( type[AliESDtrack::kElectron] == 1.0 ) { | |
132 | if(!hCaloEnergyE) { | |
133 | out->cd() ; | |
134 | hCaloEnergyE = new TH1D("CaloEnergyE", "Energy in calorimeter Electron like", 500, 0., 50.) ; | |
135 | } | |
136 | hCaloEnergyE->Fill(energy) ; | |
137 | } | |
138 | ||
139 | if ( type[AliESDtrack::kPhoton] == 1.0 ) { | |
140 | if(!hCaloEnergyG) { | |
141 | out->cd() ; | |
142 | hCaloEnergyG = new TH1D("CaloEnergyG", "Energy in calorimeter Gamma like", 500, 0., 50.) ; | |
143 | } | |
144 | hCaloEnergyG->Fill(energy) ; | |
145 | } | |
146 | ||
147 | if ( type[AliESDtrack::kPi0] == 1.0 ) { | |
148 | if(!hCaloEnergyP) { | |
149 | out->cd() ; | |
150 | hCaloEnergyP = new TH1D("CaloEnergyP", "Energy in calorimeter Pi0 like", 500, 0., 100.) ; | |
151 | } | |
152 | hCaloEnergyP->Fill(energy) ; | |
153 | } | |
154 | ||
a90d1169 | 155 | AliESDtrack * cp ; |
156 | Int_t cpindex ; | |
157 | for (cpindex = 0 ; cpindex < esd->GetNumberOfTracks() ; cpindex++) { | |
158 | // get the charged tracks from central tracking | |
159 | cp = esd->GetTrack(cpindex) ; | |
160 | if ( cp->IsPHOS() ) | |
161 | continue ; | |
162 | Match(ct, cp, dist) ; | |
163 | if (!heta && !hphi) { | |
164 | heta = new TH1D("Correta", "neutral-charged correlation in eta" , 100, 0., 360.) ; | |
165 | hphi = new TH1D("Corrphi", "neutral-charged correlation in phi" , 100, 0., 360.) ; | |
d31d94a8 | 166 | } |
a90d1169 | 167 | heta->Fill(dist[1]) ; |
168 | hphi->Fill(dist[2]) ; | |
c7f69b3a | 169 | } |
170 | } | |
d6faca62 | 171 | } |
997082a4 | 172 | TBrowser * bs = new TBrowser("Root Memory Bowser", gROOT->FindObjectAny("AOD.root") ) ; |
a90d1169 | 173 | bs->Show() ; |
174 | out->Write() ; | |
d31d94a8 | 175 | return kTRUE ; |
d6faca62 | 176 | } |
03b531f2 | 177 | |
a90d1169 | 178 | //__________________________________________________________________________ |
179 | void Match(AliESDtrack * ct, AliESDtrack * cp, Double_t * dist) | |
d6faca62 | 180 | { |
181 | // Calculates the distance (x,z) between the particle detected by PHOS and | |
182 | // the charged particle reconstructed by the global tracking | |
183 | ||
a90d1169 | 184 | |
185 | // Int_t phN ; | |
186 | // Double_t phZ, phX ; | |
d6faca62 | 187 | |
a90d1169 | 188 | // if (ct->IsPHOS()) { // it is a PHOS particle |
189 | // Double_t cpTheta, cpPhi ; | |
190 | // Double_t phTheta, phPhi ; | |
191 | // cpTheta = cpPhi = phTheta = phPhi = 0. ; | |
192 | // // cout << "PHOS particle # " << " pos (" | |
193 | // // << pp->GetPos().X() << ", " << pp->GetPos().Y() << ", " << pp->GetPos().Z() << ")" << endl ; | |
d6faca62 | 194 | |
a90d1169 | 195 | // AliPHOSGetter * gime = AliPHOSGetter::Instance() ; |
196 | // gime->PHOSGeometry()->ImpactOnEmc(*pp, phN, phZ, phX) ; | |
197 | // Double_t xyzAtPHOS[3] ; | |
198 | // cp->GetOuterXYZ(xyzAtPHOS) ; | |
199 | // if ( (xyzAtPHOS[0] + xyzAtPHOS[1] + xyzAtPHOS[2]) != 0.) { //it has reached PHOS | |
200 | // //the next check are only if we want high quality tracks | |
201 | // // ULong_t status = cp->GetStatus() ; | |
202 | // // if ((status & AliESDtrack::kTRDput)==0) | |
203 | // // do not continue; | |
204 | // // if ((status & AliESDtrack::kTRDStop)!=0) | |
205 | // // do not continue; | |
206 | // // cout << "Charged particle # " << " pos (" | |
207 | // // << xyzAtPHOS[0] << ", " << xyzAtPHOS[1] << ", " << xyzAtPHOS[2] << ")" << endl ; | |
208 | // TVector3 poscp(xyzAtPHOS[0], xyzAtPHOS[1], xyzAtPHOS[2]) ; | |
209 | // Int_t cpN ; | |
210 | // Double_t cpZ,cpX ; | |
211 | // gime->PHOSGeometry()->ImpactOnEmc(poscp, cpN, cpZ, cpX) ; | |
212 | // if (cpN) {// we are inside the PHOS acceptance | |
213 | // // cout << "Charged Matching 1: " << cpN << " " << cpZ << " " << cpX << endl ; | |
214 | // // cout << "Charged Matching 2: " << phN << " " << phZ << " " << phX << endl ; | |
215 | // dist[0] = TMath::Sqrt( (cpZ-phZ)*(cpZ-phZ) + (cpX-phX)*(cpX-phX)) ; | |
216 | // } | |
217 | // phTheta = pp->Theta() ; | |
218 | // phPhi = pp->Phi() ; | |
219 | // TParticle tempo ; | |
220 | // tempo.SetMomentum(xyzAtPHOS[0], xyzAtPHOS[1], xyzAtPHOS[2], 0.) ; | |
221 | // cpTheta = tempo.Theta() ; | |
222 | // cpPhi = tempo.Phi() ; | |
223 | // //cout << phTheta << " " << phPhi << " " << endl | |
224 | // //cout << cpTheta << " " << cpPhi-phPhi << " " << endl ; | |
225 | // } | |
226 | // dist[1] = (phTheta - cpTheta)*TMath::RadToDeg() ; | |
227 | // dist[2] = (phPhi - cpPhi)*TMath::RadToDeg() ; | |
228 | // } | |
d6faca62 | 229 | |
a90d1169 | 230 | // if (ep) { |
231 | // //cout << "EMCAL particle # " << endl ; | |
232 | // } | |
baf5b427 | 233 | } |