1. Remove compilation warnings
[u/mrichter/AliRoot.git] / VZERO / AliVZEROReconstructor.cxx
CommitLineData
b0d2c2d3 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/// //
20/// class for VZERO reconstruction //
21/// //
22///////////////////////////////////////////////////////////////////////////////
23
35b120ff 24#include "AliRunLoader.h"
2eb38194 25#include "AliRawReader.h"
b0d2c2d3 26#include "AliVZEROReconstructor.h"
2eb38194 27#include "AliVZERORawStream.h"
35b120ff 28#include "AliESD.h"
b0d2c2d3 29
b0d2c2d3 30ClassImp(AliVZEROReconstructor)
31
ce7090f5 32//_____________________________________________________________________________
cb2228e6 33AliVZEROReconstructor:: AliVZEROReconstructor(): AliReconstructor(),
35b120ff 34 fESDVZERO(0x0),
35 fESD(0x0),
36 fRunLoader(0x0),
cb2228e6 37 fCalibData(GetCalibData())
ce7090f5 38{
39 // Default constructor
ce7090f5 40 // Get calibration data
41
35b120ff 42 // fCalibData = GetCalibData();
ce7090f5 43}
44
45
46//_____________________________________________________________________________
47AliVZEROReconstructor& AliVZEROReconstructor::operator =
48 (const AliVZEROReconstructor& /*reconstructor*/)
49{
50// assignment operator
51
52 Fatal("operator =", "assignment operator not implemented");
53 return *this;
54}
55
56//_____________________________________________________________________________
57AliVZEROReconstructor::~AliVZEROReconstructor()
58{
59// destructor
35b120ff 60 delete fESDVZERO;
61
62}
63
64//_____________________________________________________________________________
65void AliVZEROReconstructor::Init(AliRunLoader* runLoader)
66{
67/// initializer
ce7090f5 68
35b120ff 69 fRunLoader = runLoader;
70 fESDVZERO = new AliESDVZERO;
71}
72
73//______________________________________________________________________
2e0ee64a 74void AliVZEROReconstructor::ConvertDigits(AliRawReader* rawReader, TTree* digitsTree) const
35b120ff 75{
2e0ee64a 76 if (!digitsTree) {
77 AliError("No digits tree!");
78 return;
79 }
35b120ff 80
2e0ee64a 81 TClonesArray* digitsArray = new TClonesArray("AliVZEROdigit");
82 digitsTree->Branch("VZERODigit", &digitsArray);
83
84 rawReader->Reset();
85 AliVZERORawStream rawStream(rawReader);
86 while (rawStream.Next()) {
87 Int_t pmNumber = rawStream.GetCell();
88 Int_t adc = rawStream.GetADC();
89 Int_t time = rawStream.GetTime();
90 new ((*digitsArray)[digitsArray->GetEntriesFast()])
91 AliVZEROdigit(pmNumber,adc,time);
92 }
93
94 digitsTree->Fill();
95}
96
97//______________________________________________________________________
98void AliVZEROReconstructor::FillESD(TTree* digitsTree, TTree* /*clustersTree*/,
99 AliESD* esd) const
100{
101 if (!digitsTree) {
102 AliError("No digits tree!");
103 return;
104 }
35b120ff 105
2e0ee64a 106 TClonesArray* digitsArray = NULL;
107 TBranch* digitBranch = digitsTree->GetBranch("VZERODigit");
108 digitBranch->SetAddress(&digitsArray);
35b120ff 109
110 Int_t NbPMV0A = 0;
111 Int_t NbPMV0C = 0;
112 Int_t MTotV0A = 0;
113 Int_t MTotV0C = 0;
114 Float_t ADCV0A = 0.0;
115 Float_t ADCV0C = 0.0;
116 Float_t MultV0A[4];
117 Float_t MultV0C[4];
118 Int_t MRingV0A[4];
119 Int_t MRingV0C[4];
120
121 Int_t ADC[64];
122 Float_t MIP[64];
123 for (Int_t i=0; i<64; i++){
124 ADC[i] = 0;
125 MIP[i] = 110.0;}
126 for (Int_t j=0; j<4; j++){
127 MultV0A[j] = 0.0;
128 MultV0C[j] = 0.0;
129 MRingV0A[j] = 0;
130 MRingV0C[j] = 0;}
131
132 // loop over VZERO entries
2e0ee64a 133 Int_t nEntries = (Int_t)digitsTree->GetEntries();
35b120ff 134 for (Int_t e=0; e<nEntries; e++) {
2e0ee64a 135 digitsTree->GetEvent(e);
35b120ff 136
2e0ee64a 137 Int_t nDigits = digitsArray->GetEntriesFast();
35b120ff 138
139 for (Int_t d=0; d<nDigits; d++) {
2e0ee64a 140 AliVZEROdigit* digit = (AliVZEROdigit*)digitsArray->At(d);
35b120ff 141 Int_t PMNumber = digit->PMNumber();
142 ADC[PMNumber] = digit->ADC();
143 if (PMNumber<=31) {
144 if (PMNumber<=7) MultV0C[0]=MultV0C[0]+ float(ADC[PMNumber])/MIP[PMNumber];
145 if (PMNumber>=8 && PMNumber<=15) MultV0C[1]=MultV0C[1]+ float(ADC[PMNumber])/MIP[PMNumber];
146 if (PMNumber>=16 && PMNumber<=23) MultV0C[2]=MultV0C[2]+ float(ADC[PMNumber])/MIP[PMNumber];
147 if (PMNumber>=24 && PMNumber<=31) MultV0C[3]=MultV0C[3]+ float(ADC[PMNumber])/MIP[PMNumber];
148 ADCV0C = ADCV0C + float(ADC[PMNumber])/MIP[PMNumber];
149 if(ADC[PMNumber] > 4) NbPMV0C++;
150 }
151 if (PMNumber>=32) {
152 if (PMNumber>=32 && PMNumber<=39) MultV0A[0]=MultV0A[0]+ float(ADC[PMNumber])/MIP[PMNumber];
153 if (PMNumber>=40 && PMNumber<=47) MultV0A[1]=MultV0A[1]+ float(ADC[PMNumber])/MIP[PMNumber];
154 if (PMNumber>=48 && PMNumber<=55) MultV0A[2]=MultV0A[2]+ float(ADC[PMNumber])/MIP[PMNumber];
155 if (PMNumber>=56 && PMNumber<=63) MultV0A[3]=MultV0A[3]+ float(ADC[PMNumber])/MIP[PMNumber];
156 ADCV0A = ADCV0A + float(ADC[PMNumber])/MIP[PMNumber];
157 if(ADC[PMNumber] > 4) NbPMV0A++;
158 }
159 } // end of loop over digits
160
161 } // end of loop over events in digits tree
162
163 MTotV0A = int(ADCV0A + 0.5);
164 MTotV0C = int(ADCV0C + 0.5);
165 for (Int_t j=0; j<4; j++){
166 MRingV0A[j] = int(MultV0A[j] + 0.5);
167 MRingV0C[j] = int(MultV0C[j] + 0.5);}
168
169 AliDebug(1,Form("VZERO multiplicities : %d (V0A) %d (V0C)", MTotV0A, MTotV0C));
170 AliDebug(1,Form("Number of PMs fired : %d (V0A) %d (V0C)", NbPMV0A, NbPMV0C));
171
172 fESDVZERO->SetNbPMV0A(NbPMV0A);
173 fESDVZERO->SetNbPMV0C(NbPMV0C);
174 fESDVZERO->SetMTotV0A(MTotV0A);
175 fESDVZERO->SetMTotV0C(MTotV0C);
176 fESDVZERO->SetMRingV0A(MRingV0A);
177 fESDVZERO->SetMRingV0C(MRingV0C);
178
2e0ee64a 179 if (esd) {
180 AliDebug(1, Form("Writing VZERO data to ESD tree"));
181 esd->SetVZEROData(fESDVZERO);
182 }
35b120ff 183}
184
ce7090f5 185//_____________________________________________________________________________
186AliCDBStorage* AliVZEROReconstructor::SetStorage(const char *uri)
187{
188
189 Bool_t deleteManager = kFALSE;
190
191 AliCDBManager *manager = AliCDBManager::Instance();
192 AliCDBStorage *defstorage = manager->GetDefaultStorage();
193
194 if(!defstorage || !(defstorage->Contains("VZERO"))){
195 AliWarning("No default storage set or default storage doesn't contain VZERO!");
196 manager->SetDefaultStorage(uri);
197 deleteManager = kTRUE;
198 }
199
200 AliCDBStorage *storage = manager->GetDefaultStorage();
201
202 if(deleteManager){
203 AliCDBManager::Instance()->UnsetDefaultStorage();
204 defstorage = 0; // the storage is killed by AliCDBManager::Instance()->Destroy()
205 }
206
207 return storage;
208}
209
210//_____________________________________________________________________________
211AliVZEROCalibData* AliVZEROReconstructor::GetCalibData() const
212{
213
214 // Getting calibration object for VZERO set
215
c0b82b5a 216 AliCDBManager *man = AliCDBManager::Instance();
ce7090f5 217
c0b82b5a 218 AliCDBEntry *entry=0;
219
220 entry = man->Get("VZERO/Calib/Data");
221
222 if(!entry){
223 AliWarning("Load of calibration data from default storage failed!");
224 AliWarning("Calibration data will be loaded from local storage ($ALICE_ROOT)");
225 Int_t runNumber = man->GetRun();
226 entry = man->GetStorage("local://$ALICE_ROOT")
227 ->Get("VZERO/Calib/Data",runNumber);
228
229 }
230
231 // Retrieval of data in directory VZERO/Calib/Data:
232
233
234 AliVZEROCalibData *calibdata = 0;
235
236 if (entry) calibdata = (AliVZEROCalibData*) entry->GetObject();
237 if (!calibdata) AliError("No calibration data from calibration database !");
ce7090f5 238
239 return calibdata;
240}