1 /**************************************************************************
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2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
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4 * Author: The ALICE Off-line Project. *
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5 * Contributors are mentioned in the code where appropriate. *
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7 * Permission to use, copy, modify and distribute this software and its *
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8 * documentation strictly for non-commercial purposes is hereby granted *
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9 * without fee, provided that the above copyright notice appears in all *
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10 * copies and that both the copyright notice and this permission notice *
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11 * appear in the supporting documentation. The authors make no claims *
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12 * about the suitability of this software for any purpose. It is *
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13 * provided "as is" without express or implied warranty. *
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14 **************************************************************************/
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16 // Class AliVZEROTriggerSimulator
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17 // ------------------------------
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18 // Simulate the VZERO Trigger response
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19 // Use FEE parameters stored in Database
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20 // Can work on real data or in simulation
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24 #include <TClonesArray.h>
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27 #include "AliCDBManager.h"
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28 #include "AliCDBEntry.h"
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29 #include "AliCDBStorage.h"
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30 #include "AliCDBId.h"
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31 #include "AliVZEROTriggerData.h"
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32 #include "AliVZEROLogicalSignal.h"
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33 #include "AliVZEROTriggerSimulator.h"
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34 #include "AliVZEROdigit.h"
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36 ClassImp(AliVZEROTriggerSimulator)
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38 //_____________________________________________________________________________
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39 AliVZEROTriggerSimulator::AliVZEROTriggerSimulator(TTree * digitsTree, TClonesArray* digits) :
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40 TObject(),fTriggerData(NULL),fDigitsTree(digitsTree),fDigits(digits),fTriggerWord(0)
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43 fTriggerData = LoadTriggerData();
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45 for(int i=0;i<64;i++) {
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46 fBBFlags[i] = fBGFlags[i] = kFALSE;
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49 GenerateBBWindows();
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50 GenerateBGWindows();
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51 for (int i=0; i<AliVZEROTriggerData::kNCIUBoards; i++) {
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52 fBBLatch[i] = new AliVZEROLogicalSignal(fTriggerData->GetLatchWin1(i),0);
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53 fBGLatch[i] = new AliVZEROLogicalSignal(fTriggerData->GetLatchWin2(i),0);
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54 fBBReset[i] = new AliVZEROLogicalSignal(fTriggerData->GetResetWin1(i),0);
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55 fBGReset[i] = new AliVZEROLogicalSignal(fTriggerData->GetResetWin2(i),0);
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58 //_____________________________________________________________________________
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59 AliVZEROTriggerSimulator::AliVZEROTriggerSimulator() :
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60 TObject(),fTriggerData(NULL),fDigitsTree(NULL),fDigits(NULL),fTriggerWord(0)
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62 // Default constructor
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63 fTriggerData = LoadTriggerData();
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65 for(int i=0;i<64;i++) {
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66 fBBFlags[i] = fBGFlags[i] = kFALSE;
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69 GenerateBBWindows();
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70 GenerateBGWindows();
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71 for (int i=0; i<AliVZEROTriggerData::kNCIUBoards; i++) {
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72 fBBLatch[i] = new AliVZEROLogicalSignal(fTriggerData->GetLatchWin1(i),0);
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73 fBGLatch[i] = new AliVZEROLogicalSignal(fTriggerData->GetLatchWin2(i),0);
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74 fBBReset[i] = new AliVZEROLogicalSignal(fTriggerData->GetResetWin1(i),0);
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75 fBGReset[i] = new AliVZEROLogicalSignal(fTriggerData->GetResetWin2(i),0);
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79 //_____________________________________________________________________________
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80 AliVZEROTriggerSimulator::~AliVZEROTriggerSimulator(){
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82 if(fBBGate) delete [] fBBGate;
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83 if(fBGGate) delete [] fBGGate;
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84 if(fBBLatch) delete [] fBBLatch;
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85 if(fBBReset) delete [] fBBReset;
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86 if(fBGLatch) delete [] fBGLatch;
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87 if(fBGReset) delete [] fBGReset;
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90 //_____________________________________________________________________________
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91 void AliVZEROTriggerSimulator::GenerateBBWindows()
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93 // Generates the BB observation window
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94 for (int i=0; i<AliVZEROTriggerData::kNCIUBoards; i++) {
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95 AliVZEROLogicalSignal clk1BB(fTriggerData->GetClk1Win1(i),fTriggerData->GetDelayClk1Win1(i));
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96 AliVZEROLogicalSignal clk2BB(fTriggerData->GetClk2Win1(i),fTriggerData->GetDelayClk2Win1(i));
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97 fBBGate[i] = new AliVZEROLogicalSignal(clk1BB & clk2BB);
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100 //_____________________________________________________________________________
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101 void AliVZEROTriggerSimulator::GenerateBGWindows()
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103 // Generates the BG observation window
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104 for (int i=0; i<AliVZEROTriggerData::kNCIUBoards; i++) {
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105 AliVZEROLogicalSignal clk1BG(fTriggerData->GetClk1Win2(i),fTriggerData->GetDelayClk1Win2(i));
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106 AliVZEROLogicalSignal clk2BG(fTriggerData->GetClk2Win2(i),fTriggerData->GetDelayClk2Win2(i));
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107 fBGGate[i] = new AliVZEROLogicalSignal(clk1BG & clk2BG);
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111 //_____________________________________________________________________________
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112 AliVZEROTriggerData * AliVZEROTriggerSimulator::LoadTriggerData() const
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114 // Gets Trigger object for VZERO set
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115 AliInfo("Loading Trigger parameters");
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116 AliCDBManager *man = AliCDBManager::Instance();
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119 AliCDBEntry *entry=0;
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121 entry = man->Get("VZERO/Trigger/Data");
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123 AliWarning("Load of calibration data from default storage failed!");
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124 AliWarning("Calibration data will be loaded from local storage ($ALICE_ROOT)");
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126 man->SetDefaultStorage("local://$ALICE_ROOT/OCDB");
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127 entry = man->Get("VZERO/Trigger/Data",0);
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130 // Retrieval of data in directory VZERO/Calib/Trigger:
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132 AliVZEROTriggerData *triggerData = NULL;
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134 if (entry) triggerData = (AliVZEROTriggerData*) entry->GetObject();
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135 if (!triggerData) AliError("No Trigger data from database !");
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137 return triggerData;
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140 //_____________________________________________________________________________
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141 void AliVZEROTriggerSimulator::Run() {
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142 //AliInfo("Generating VZERO Triggers");
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144 // Loop over VZERO entries
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145 Int_t nEntries = (Int_t)fDigitsTree->GetEntries();
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146 for (Int_t ievt=0; ievt<nEntries; ievt++) {
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147 fDigitsTree->GetEvent(ievt);
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149 Int_t nDigits = fDigits->GetEntriesFast();
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151 for (Int_t iDigit=0; iDigit<nDigits; iDigit++) {
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152 AliVZEROdigit* digit = (AliVZEROdigit*)fDigits->At(iDigit);
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154 Int_t integrator = digit->Integrator();
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155 Int_t pmNumber = digit->PMNumber();
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156 Int_t board = pmNumber / 8;
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157 Int_t channel = pmNumber % 8;
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159 if(fTriggerData->GetEnableCharge(board,channel)) {
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160 fCharges[pmNumber] = digit->ADC();
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161 if(fTriggerData->GetPedestalSubtraction(board)) {
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162 if(fCharges[pmNumber]>=fTriggerData->GetPedestalCut(integrator,board,channel)){
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163 fCharges[pmNumber] -= fTriggerData->GetPedestal(integrator,board,channel);
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165 fCharges[pmNumber] = 0;
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169 fCharges[pmNumber] = 0;
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172 Float_t time = (Float_t)digit->Time() / 10.; // digit->Time() in bin of 100 picoseconds. Divide by 10 to have it in nanoseconds
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173 time += fTriggerData->GetDelayHit(board,channel);
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175 //AliInfo(Form(" PM nb : %d ; ADC= %d ; TDC= %f Enable Time %d charge %d",pmNumber,digit->ADC(),time,fTriggerData->GetEnableTiming(board,channel),fTriggerData->GetEnableCharge(board,channel)));
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176 fBBFlags[pmNumber] = fTriggerData->GetEnableTiming(board,channel) && fBBGate[board]->IsInCoincidence(time);
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177 fBGFlags[pmNumber] = fTriggerData->GetEnableTiming(board,channel) && fBGGate[board]->IsInCoincidence(time);
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179 } // end of loop over digits
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180 } // end of loop over events in digits tree
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182 Int_t nBBflagsV0A = 0;
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183 Int_t nBBflagsV0C = 0;
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184 Int_t nBGflagsV0A = 0;
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185 Int_t nBGflagsV0C = 0;
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186 Int_t chargeV0A = 0;
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187 Int_t chargeV0C = 0;
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189 for(int i=0;i<64;i++) {
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191 nBBflagsV0C += fBBFlags[i];
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192 nBGflagsV0C += fBGFlags[i];
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193 chargeV0C += fCharges[i];
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195 nBBflagsV0A += fBBFlags[i];
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196 nBGflagsV0A += fBGFlags[i];
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197 chargeV0A += fCharges[i];
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199 //AliInfo(Form("Ch %d BB=%d BG=%d",i,fBBFlags[i],fBGFlags[i] ));
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203 if(nBBflagsV0A>=fTriggerData->GetBBAThreshold()) SetBBA();
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206 if(nBBflagsV0C>=fTriggerData->GetBBCThreshold()) SetBBC();
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209 if(GetBBA() && GetBBC()) SetBBAandBBC();
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212 if(GetBBA() || GetBBC()) SetBBAorBBC();
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215 if(nBGflagsV0A>=fTriggerData->GetBGAThreshold()) SetBGA();
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218 if(nBGflagsV0C>=fTriggerData->GetBGCThreshold()) SetBGC();
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220 // BGA_AND_BBC (Beam Gas from RB24 side)
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221 if(nBBflagsV0C>=fTriggerData->GetBBCForBGThreshold() && GetBGA()) SetBGAandBBC();
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223 // BGC_AND_BBA (Beam Gas from RB26 side)
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224 if(nBBflagsV0A>=fTriggerData->GetBBAForBGThreshold() && GetBGC()) SetBGCandBBA();
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226 // CTA1_AND_CTC1 (Centrality trigger 1)
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227 if(chargeV0A>=fTriggerData->GetCentralityV0AThrLow() && chargeV0C>=fTriggerData->GetCentralityV0CThrLow()) SetCTA1andCTC1();
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229 // CTA1_OR_CTC1 (Centrality trigger 1)
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230 if(chargeV0A>=fTriggerData->GetCentralityV0AThrLow() || chargeV0C>=fTriggerData->GetCentralityV0CThrLow()) SetCTA1orCTC1();
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232 // CTA2_AND_CTC2 (Centrality trigger 2)
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233 if(chargeV0A>=fTriggerData->GetCentralityV0AThrHigh() && chargeV0C>=fTriggerData->GetCentralityV0CThrHigh()) SetCTA2andCTC2();
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235 // CTA2_OR_CTC2 (Centrality trigger 2)
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236 if(chargeV0A>=fTriggerData->GetCentralityV0AThrHigh() || chargeV0C>=fTriggerData->GetCentralityV0CThrHigh()) SetCTA2orCTC2();
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238 // MTA_AND_MTC (Multiplicity Trigger)
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239 if((nBBflagsV0A<=fTriggerData->GetMultV0AThrHigh() && nBBflagsV0A>=fTriggerData->GetMultV0AThrLow())
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240 && (nBBflagsV0C<=fTriggerData->GetMultV0CThrHigh() && nBBflagsV0C>=fTriggerData->GetMultV0CThrLow()) )
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243 // MTA_OR_MTC (Multiplicity Trigger)
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244 if((nBBflagsV0A<=fTriggerData->GetMultV0AThrHigh() && nBBflagsV0A>=fTriggerData->GetMultV0AThrLow())
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245 || (nBBflagsV0C<=fTriggerData->GetMultV0CThrHigh() && nBBflagsV0C>=fTriggerData->GetMultV0CThrLow()) )
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249 if(GetBGA() || GetBGC()) SetBGAorBGC();
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251 // (BGA and BBC) or (BGC and BBA) (Beam Gas from one of the two sides)
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252 if(GetBGAandBBC() || GetBGCandBBA()) SetBeamGas();
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254 // AliInfo(Form("BB Flags : V0A = %d V0C = %d ",nBBflagsV0A, nBBflagsV0C ));
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255 // AliInfo(Form("BG Flags : V0A = %d V0C = %d ",nBGflagsV0A, nBGflagsV0C ));
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256 // AliInfo(Form("Charges : V0A = %d V0C = %d ",chargeV0A, chargeV0C ));
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