1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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 **************************************************************************/
18 ///////////////////////////////////////////////////////////////////////////////
20 /// class for VZERO reconstruction //
22 ///////////////////////////////////////////////////////////////////////////////
24 #include "AliRunLoader.h"
25 #include "AliVZEROReconstructor.h"
28 ClassImp(AliVZEROReconstructor)
30 //_____________________________________________________________________________
31 AliVZEROReconstructor:: AliVZEROReconstructor(): AliReconstructor(),
35 fCalibData(GetCalibData())
37 // Default constructor
38 // Get calibration data
40 // fCalibData = GetCalibData();
44 //_____________________________________________________________________________
45 AliVZEROReconstructor& AliVZEROReconstructor::operator =
46 (const AliVZEROReconstructor& /*reconstructor*/)
48 // assignment operator
50 Fatal("operator =", "assignment operator not implemented");
54 //_____________________________________________________________________________
55 AliVZEROReconstructor::~AliVZEROReconstructor()
62 //_____________________________________________________________________________
63 void AliVZEROReconstructor::Init(AliRunLoader* runLoader)
67 fRunLoader = runLoader;
68 fESDVZERO = new AliESDVZERO;
71 //______________________________________________________________________
72 void AliVZEROReconstructor::Reconstruct(AliRunLoader* runLoader) const
75 AliVZEROLoader* loader = (AliVZEROLoader* )runLoader->GetLoader( "VZEROLoader" );
76 // AliVZEROLoader* loader = (AliVZEROLoader* )fRunLoader->GetLoader( "VZEROLoader" );
78 loader->LoadDigits("READ");
79 TTree* vzeroDigitsTree = loader->TreeD();
80 if (!vzeroDigitsTree) return;
82 TClonesArray* vzeroDigits = new TClonesArray("AliVZEROdigit",1000);
83 TBranch* digitBranch = vzeroDigitsTree->GetBranch("VZERODigit");
84 digitBranch->SetAddress(&vzeroDigits);
99 for (Int_t i=0; i<64; i++){
102 for (Int_t j=0; j<4; j++){
108 // loop over VZERO entries
109 Int_t nEntries = (Int_t)vzeroDigitsTree->GetEntries();
110 for (Int_t e=0; e<nEntries; e++) {
111 vzeroDigitsTree->GetEvent(e);
113 Int_t nDigits = vzeroDigits->GetEntriesFast();
115 for (Int_t d=0; d<nDigits; d++) {
116 AliVZEROdigit* digit = (AliVZEROdigit*)vzeroDigits->At(d);
117 Int_t PMNumber = digit->PMNumber();
118 ADC[PMNumber] = digit->ADC();
120 if (PMNumber<=7) MultV0C[0]=MultV0C[0]+ float(ADC[PMNumber])/MIP[PMNumber];
121 if (PMNumber>=8 && PMNumber<=15) MultV0C[1]=MultV0C[1]+ float(ADC[PMNumber])/MIP[PMNumber];
122 if (PMNumber>=16 && PMNumber<=23) MultV0C[2]=MultV0C[2]+ float(ADC[PMNumber])/MIP[PMNumber];
123 if (PMNumber>=24 && PMNumber<=31) MultV0C[3]=MultV0C[3]+ float(ADC[PMNumber])/MIP[PMNumber];
124 ADCV0C = ADCV0C + float(ADC[PMNumber])/MIP[PMNumber];
125 if(ADC[PMNumber] > 4) NbPMV0C++;
128 if (PMNumber>=32 && PMNumber<=39) MultV0A[0]=MultV0A[0]+ float(ADC[PMNumber])/MIP[PMNumber];
129 if (PMNumber>=40 && PMNumber<=47) MultV0A[1]=MultV0A[1]+ float(ADC[PMNumber])/MIP[PMNumber];
130 if (PMNumber>=48 && PMNumber<=55) MultV0A[2]=MultV0A[2]+ float(ADC[PMNumber])/MIP[PMNumber];
131 if (PMNumber>=56 && PMNumber<=63) MultV0A[3]=MultV0A[3]+ float(ADC[PMNumber])/MIP[PMNumber];
132 ADCV0A = ADCV0A + float(ADC[PMNumber])/MIP[PMNumber];
133 if(ADC[PMNumber] > 4) NbPMV0A++;
135 } // end of loop over digits
137 } // end of loop over events in digits tree
139 MTotV0A = int(ADCV0A + 0.5);
140 MTotV0C = int(ADCV0C + 0.5);
141 for (Int_t j=0; j<4; j++){
142 MRingV0A[j] = int(MultV0A[j] + 0.5);
143 MRingV0C[j] = int(MultV0C[j] + 0.5);}
145 AliDebug(1,Form("VZERO multiplicities : %d (V0A) %d (V0C)", MTotV0A, MTotV0C));
146 AliDebug(1,Form("Number of PMs fired : %d (V0A) %d (V0C)", NbPMV0A, NbPMV0C));
148 fESDVZERO->SetNbPMV0A(NbPMV0A);
149 fESDVZERO->SetNbPMV0C(NbPMV0C);
150 fESDVZERO->SetMTotV0A(MTotV0A);
151 fESDVZERO->SetMTotV0C(MTotV0C);
152 fESDVZERO->SetMRingV0A(MRingV0A);
153 fESDVZERO->SetMRingV0C(MRingV0C);
158 //_____________________________________________________________________________
159 void AliVZEROReconstructor::FillESD(AliRunLoader* /*runLoader*/,
165 AliDebug(1, Form("Writing VZERO data to ESD tree"));
166 esd->SetVZEROData(fESDVZERO);
171 //_____________________________________________________________________________
172 AliCDBStorage* AliVZEROReconstructor::SetStorage(const char *uri)
175 Bool_t deleteManager = kFALSE;
177 AliCDBManager *manager = AliCDBManager::Instance();
178 AliCDBStorage *defstorage = manager->GetDefaultStorage();
180 if(!defstorage || !(defstorage->Contains("VZERO"))){
181 AliWarning("No default storage set or default storage doesn't contain VZERO!");
182 manager->SetDefaultStorage(uri);
183 deleteManager = kTRUE;
186 AliCDBStorage *storage = manager->GetDefaultStorage();
189 AliCDBManager::Instance()->UnsetDefaultStorage();
190 defstorage = 0; // the storage is killed by AliCDBManager::Instance()->Destroy()
196 //_____________________________________________________________________________
197 AliVZEROCalibData* AliVZEROReconstructor::GetCalibData() const
200 // Getting calibration object for VZERO set
202 AliCDBManager *man = AliCDBManager::Instance();
204 AliCDBEntry *entry=0;
206 entry = man->Get("VZERO/Calib/Data");
209 AliWarning("Load of calibration data from default storage failed!");
210 AliWarning("Calibration data will be loaded from local storage ($ALICE_ROOT)");
211 Int_t runNumber = man->GetRun();
212 entry = man->GetStorage("local://$ALICE_ROOT")
213 ->Get("VZERO/Calib/Data",runNumber);
217 // Retrieval of data in directory VZERO/Calib/Data:
220 AliVZEROCalibData *calibdata = 0;
222 if (entry) calibdata = (AliVZEROCalibData*) entry->GetObject();
223 if (!calibdata) AliError("No calibration data from calibration database !");