Removed a std::cout statement
[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"
b14e6eb4 28#include "AliESDEvent.h"
b0d2c2d3 29
b0d2c2d3 30ClassImp(AliVZEROReconstructor)
31
ce7090f5 32//_____________________________________________________________________________
cb2228e6 33AliVZEROReconstructor:: AliVZEROReconstructor(): AliReconstructor(),
35b120ff 34 fESDVZERO(0x0),
35 fESD(0x0),
cb2228e6 36 fCalibData(GetCalibData())
ce7090f5 37{
38 // Default constructor
ce7090f5 39 // Get calibration data
40
35b120ff 41 // fCalibData = GetCalibData();
ce7090f5 42}
43
44
45//_____________________________________________________________________________
46AliVZEROReconstructor& AliVZEROReconstructor::operator =
47 (const AliVZEROReconstructor& /*reconstructor*/)
48{
49// assignment operator
50
51 Fatal("operator =", "assignment operator not implemented");
52 return *this;
53}
54
55//_____________________________________________________________________________
56AliVZEROReconstructor::~AliVZEROReconstructor()
57{
58// destructor
35b120ff 59 delete fESDVZERO;
60
61}
62
63//_____________________________________________________________________________
d76c31f4 64void AliVZEROReconstructor::Init()
35b120ff 65{
ef314913 66// initializer
ce7090f5 67
35b120ff 68 fESDVZERO = new AliESDVZERO;
69}
70
71//______________________________________________________________________
2e0ee64a 72void AliVZEROReconstructor::ConvertDigits(AliRawReader* rawReader, TTree* digitsTree) const
35b120ff 73{
ef314913 74// converts to digits
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);
726d762c 86 if (rawStream.Next()) {
87 for(Int_t iChannel = 0; iChannel < 64; iChannel++) {
88 Int_t adc = rawStream.GetADC(iChannel);
89 Int_t time = rawStream.GetTime(iChannel);
2e0ee64a 90 new ((*digitsArray)[digitsArray->GetEntriesFast()])
726d762c 91 AliVZEROdigit(iChannel,adc,time);
92 }
2e0ee64a 93 }
94
95 digitsTree->Fill();
96}
97
98//______________________________________________________________________
99void AliVZEROReconstructor::FillESD(TTree* digitsTree, TTree* /*clustersTree*/,
b14e6eb4 100 AliESDEvent* esd) const
2e0ee64a 101{
ef314913 102// fills multiplicities to the ESD
103
2e0ee64a 104 if (!digitsTree) {
105 AliError("No digits tree!");
106 return;
107 }
35b120ff 108
2e0ee64a 109 TClonesArray* digitsArray = NULL;
110 TBranch* digitBranch = digitsTree->GetBranch("VZERODigit");
111 digitBranch->SetAddress(&digitsArray);
35b120ff 112
ef314913 113 Int_t nbPMV0A = 0;
114 Int_t nbPMV0C = 0;
115 Int_t mTotV0A = 0;
116 Int_t mTotV0C = 0;
117 Float_t adcV0A = 0.0;
118 Float_t adcV0C = 0.0;
119 Float_t multV0A[4];
120 Float_t multV0C[4];
121 Int_t mRingV0A[4];
122 Int_t mRingV0C[4];
35b120ff 123
ef314913 124 Int_t adc[64];
125 Float_t mip[64];
35b120ff 126 for (Int_t i=0; i<64; i++){
ef314913 127 adc[i] = 0;
128 mip[i] = 110.0;}
35b120ff 129 for (Int_t j=0; j<4; j++){
ef314913 130 multV0A[j] = 0.0;
131 multV0C[j] = 0.0;
132 mRingV0A[j] = 0;
133 mRingV0C[j] = 0;}
35b120ff 134
135 // loop over VZERO entries
2e0ee64a 136 Int_t nEntries = (Int_t)digitsTree->GetEntries();
35b120ff 137 for (Int_t e=0; e<nEntries; e++) {
2e0ee64a 138 digitsTree->GetEvent(e);
35b120ff 139
2e0ee64a 140 Int_t nDigits = digitsArray->GetEntriesFast();
35b120ff 141
142 for (Int_t d=0; d<nDigits; d++) {
2e0ee64a 143 AliVZEROdigit* digit = (AliVZEROdigit*)digitsArray->At(d);
ef314913 144 Int_t pmNumber = digit->PMNumber();
59063a18 145 adc[pmNumber] = digit->ADC();
146 // cut of ADC at MIP/2
147 if (adc[pmNumber] > (mip[pmNumber]/2)) {
148 if (pmNumber<=31) {
149 if (pmNumber<=7) multV0C[0]=multV0C[0]+ float(adc[pmNumber])/mip[pmNumber];
150 if (pmNumber>=8 && pmNumber<=15) multV0C[1]=multV0C[1]+ float(adc[pmNumber])/mip[pmNumber];
151 if (pmNumber>=16 && pmNumber<=23) multV0C[2]=multV0C[2]+ float(adc[pmNumber])/mip[pmNumber];
152 if (pmNumber>=24 && pmNumber<=31) multV0C[3]=multV0C[3]+ float(adc[pmNumber])/mip[pmNumber];
153 adcV0C = adcV0C + float(adc[pmNumber])/mip[pmNumber];
154 nbPMV0C++;
155 }
156 if (pmNumber>=32 ) {
157 if (pmNumber>=32 && pmNumber<=39) multV0A[0]=multV0A[0]+ float(adc[pmNumber])/mip[pmNumber];
158 if (pmNumber>=40 && pmNumber<=47) multV0A[1]=multV0A[1]+ float(adc[pmNumber])/mip[pmNumber];
159 if (pmNumber>=48 && pmNumber<=55) multV0A[2]=multV0A[2]+ float(adc[pmNumber])/mip[pmNumber];
160 if (pmNumber>=56 && pmNumber<=63) multV0A[3]=multV0A[3]+ float(adc[pmNumber])/mip[pmNumber];
161 adcV0A = adcV0A + float(adc[pmNumber])/mip[pmNumber];
162 nbPMV0A++;
163 }
35b120ff 164 }
165 } // end of loop over digits
166
167 } // end of loop over events in digits tree
168
ef314913 169 mTotV0A = int(adcV0A + 0.5);
170 mTotV0C = int(adcV0C + 0.5);
35b120ff 171 for (Int_t j=0; j<4; j++){
ef314913 172 mRingV0A[j] = int(multV0A[j] + 0.5);
173 mRingV0C[j] = int(multV0C[j] + 0.5);}
35b120ff 174
ef314913 175 AliDebug(1,Form("VZERO multiplicities : %d (V0A) %d (V0C)", mTotV0A, mTotV0C));
176 AliDebug(1,Form("Number of PMs fired : %d (V0A) %d (V0C)", nbPMV0A, nbPMV0C));
177
178 fESDVZERO->SetNbPMV0A(nbPMV0A);
179 fESDVZERO->SetNbPMV0C(nbPMV0C);
180 fESDVZERO->SetMTotV0A(mTotV0A);
181 fESDVZERO->SetMTotV0C(mTotV0C);
182 fESDVZERO->SetMRingV0A(mRingV0A);
183 fESDVZERO->SetMRingV0C(mRingV0C);
35b120ff 184
2e0ee64a 185 if (esd) {
186 AliDebug(1, Form("Writing VZERO data to ESD tree"));
187 esd->SetVZEROData(fESDVZERO);
188 }
35b120ff 189}
190
ce7090f5 191//_____________________________________________________________________________
192AliCDBStorage* AliVZEROReconstructor::SetStorage(const char *uri)
193{
ef314913 194// Sets the storage
195
ce7090f5 196 Bool_t deleteManager = kFALSE;
197
198 AliCDBManager *manager = AliCDBManager::Instance();
199 AliCDBStorage *defstorage = manager->GetDefaultStorage();
200
201 if(!defstorage || !(defstorage->Contains("VZERO"))){
202 AliWarning("No default storage set or default storage doesn't contain VZERO!");
203 manager->SetDefaultStorage(uri);
204 deleteManager = kTRUE;
205 }
206
207 AliCDBStorage *storage = manager->GetDefaultStorage();
208
209 if(deleteManager){
210 AliCDBManager::Instance()->UnsetDefaultStorage();
211 defstorage = 0; // the storage is killed by AliCDBManager::Instance()->Destroy()
212 }
213
214 return storage;
215}
216
217//_____________________________________________________________________________
218AliVZEROCalibData* AliVZEROReconstructor::GetCalibData() const
219{
ef314913 220 // Gets calibration object for VZERO set
ce7090f5 221
c0b82b5a 222 AliCDBManager *man = AliCDBManager::Instance();
ce7090f5 223
c0b82b5a 224 AliCDBEntry *entry=0;
225
226 entry = man->Get("VZERO/Calib/Data");
227
94a600a1 228// if(!entry){
229// AliWarning("Load of calibration data from default storage failed!");
230// AliWarning("Calibration data will be loaded from local storage ($ALICE_ROOT)");
231// Int_t runNumber = man->GetRun();
232// entry = man->GetStorage("local://$ALICE_ROOT")
233// ->Get("VZERO/Calib/Data",runNumber);
234//
235// }
c0b82b5a 236
237 // Retrieval of data in directory VZERO/Calib/Data:
238
c0b82b5a 239 AliVZEROCalibData *calibdata = 0;
240
241 if (entry) calibdata = (AliVZEROCalibData*) entry->GetObject();
94a600a1 242 if (!calibdata) AliFatal("No calibration data from calibration database !");
ce7090f5 243
244 return calibdata;
245}