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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25 #include <TParameter.h>
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28 #include "AliCDBManager.h"
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29 #include "AliCDBEntry.h"
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30 #include "AliCDBStorage.h"
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31 #include "AliCDBId.h"
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32 #include "AliVZEROTriggerData.h"
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33 #include "AliVZEROLogicalSignal.h"
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34 #include "AliVZEROTriggerSimulator.h"
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35 #include "AliVZEROdigit.h"
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36 #include "AliVZEROCalibData.h"
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37 #include "AliVZEROConst.h"
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39 ClassImp(AliVZEROTriggerSimulator)
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41 //_____________________________________________________________________________
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42 AliVZEROTriggerSimulator::AliVZEROTriggerSimulator(TTree * digitsTree, TClonesArray* digits) :
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43 TObject(),fTriggerData(NULL),fDigitsTree(digitsTree),fDigits(digits),fTriggerWord(0)
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46 fTriggerData = LoadTriggerData();
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48 for(int i=0;i<64;i++) {
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49 fBBFlags[i] = fBGFlags[i] = kFALSE;
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52 GenerateBBWindows();
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53 GenerateBGWindows();
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54 for (int i=0; i<AliVZEROTriggerData::kNCIUBoards; i++) {
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55 fBBLatch[i] = new AliVZEROLogicalSignal(fTriggerData->GetLatchWin1(i),0);
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56 fBGLatch[i] = new AliVZEROLogicalSignal(fTriggerData->GetLatchWin2(i),0);
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57 fBBReset[i] = new AliVZEROLogicalSignal(fTriggerData->GetResetWin1(i),0);
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58 fBGReset[i] = new AliVZEROLogicalSignal(fTriggerData->GetResetWin2(i),0);
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61 //_____________________________________________________________________________
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62 AliVZEROTriggerSimulator::AliVZEROTriggerSimulator() :
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63 TObject(),fTriggerData(NULL),fDigitsTree(NULL),fDigits(NULL),fTriggerWord(0)
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65 // Default constructor
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66 fTriggerData = LoadTriggerData();
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68 for(int i=0;i<64;i++) {
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69 fBBFlags[i] = fBGFlags[i] = kFALSE;
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72 GenerateBBWindows();
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73 GenerateBGWindows();
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74 for (int i=0; i<AliVZEROTriggerData::kNCIUBoards; i++) {
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75 fBBLatch[i] = new AliVZEROLogicalSignal(fTriggerData->GetLatchWin1(i),0);
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76 fBGLatch[i] = new AliVZEROLogicalSignal(fTriggerData->GetLatchWin2(i),0);
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77 fBBReset[i] = new AliVZEROLogicalSignal(fTriggerData->GetResetWin1(i),0);
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78 fBGReset[i] = new AliVZEROLogicalSignal(fTriggerData->GetResetWin2(i),0);
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82 //_____________________________________________________________________________
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83 AliVZEROTriggerSimulator::~AliVZEROTriggerSimulator(){
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85 if(fBBGate) delete [] fBBGate;
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86 if(fBGGate) delete [] fBGGate;
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87 if(fBBLatch) delete [] fBBLatch;
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88 if(fBBReset) delete [] fBBReset;
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89 if(fBGLatch) delete [] fBGLatch;
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90 if(fBGReset) delete [] fBGReset;
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93 //_____________________________________________________________________________
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94 void AliVZEROTriggerSimulator::GenerateBBWindows()
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96 // Generates the BB observation window
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97 for (int i=0; i<AliVZEROTriggerData::kNCIUBoards; i++) {
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98 AliVZEROLogicalSignal clk1BB(fTriggerData->GetClk1Win1(i),fTriggerData->GetDelayClk1Win1(i));
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99 AliVZEROLogicalSignal clk2BB(fTriggerData->GetClk2Win1(i),fTriggerData->GetDelayClk2Win1(i));
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100 fBBGate[i] = new AliVZEROLogicalSignal(clk1BB & clk2BB);
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103 //_____________________________________________________________________________
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104 void AliVZEROTriggerSimulator::GenerateBGWindows()
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106 // Generates the BG observation window
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107 for (int i=0; i<AliVZEROTriggerData::kNCIUBoards; i++) {
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108 AliVZEROLogicalSignal clk1BG(fTriggerData->GetClk1Win2(i),fTriggerData->GetDelayClk1Win2(i));
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109 AliVZEROLogicalSignal clk2BG(fTriggerData->GetClk2Win2(i),fTriggerData->GetDelayClk2Win2(i));
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110 fBGGate[i] = new AliVZEROLogicalSignal(clk1BG & clk2BG);
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114 //_____________________________________________________________________________
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115 AliVZEROTriggerData * AliVZEROTriggerSimulator::LoadTriggerData() const
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117 // Gets Trigger object for VZERO set
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118 AliDebug(1,"Loading Trigger parameters");
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119 AliCDBManager *man = AliCDBManager::Instance();
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122 AliCDBEntry *entry=0;
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124 entry = man->Get("VZERO/Trigger/Data");
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126 AliWarning("Load of calibration data from default storage failed!");
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127 AliWarning("Calibration data will be loaded from local storage ($ALICE_ROOT)");
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129 man->SetDefaultStorage("local://$ALICE_ROOT/OCDB");
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130 entry = man->Get("VZERO/Trigger/Data",0);
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133 // Retrieval of data in directory VZERO/Calib/Trigger:
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135 AliVZEROTriggerData *triggerData = NULL;
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137 if (entry) triggerData = (AliVZEROTriggerData*) entry->GetObject();
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138 if (!triggerData) AliError("No Trigger data from database !");
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140 return triggerData;
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143 //_____________________________________________________________________________
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144 void AliVZEROTriggerSimulator::Run() {
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145 //AliInfo("Generating VZERO Triggers");
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147 // Loop over VZERO entries
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148 Int_t nEntries = (Int_t)fDigitsTree->GetEntries();
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149 for (Int_t ievt=0; ievt<nEntries; ievt++) {
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150 fDigitsTree->GetEvent(ievt);
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152 Int_t nDigits = fDigits->GetEntriesFast();
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154 for (Int_t iDigit=0; iDigit<nDigits; iDigit++) {
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155 AliVZEROdigit* digit = (AliVZEROdigit*)fDigits->At(iDigit);
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157 Int_t integrator = digit->Integrator();
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158 Int_t pmNumber = digit->PMNumber();
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159 Int_t board = AliVZEROCalibData::GetBoardNumber(pmNumber);
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160 Int_t channel = AliVZEROCalibData::GetFEEChannelNumber(pmNumber);
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162 if(fTriggerData->GetEnableCharge(board,channel)) {
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163 fCharges[pmNumber] = digit->ChargeADC(AliVZEROdigit::kNClocks/2);
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164 if(fTriggerData->GetPedestalSubtraction(board)) {
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165 if(fCharges[pmNumber]>=(Float_t) fTriggerData->GetPedestalCut(integrator,board,channel)){
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166 fCharges[pmNumber] -= (Float_t) fTriggerData->GetPedestal(integrator,board,channel);
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168 fCharges[pmNumber] = 0.;
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172 fCharges[pmNumber] = 0.;
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175 Float_t time = digit->Time();
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176 time -= kClockOffset;
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178 AliDebug(10,Form(" Digit: %f %d %d %d %d %d %d %d %d",digit->Time(),
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179 digit->ChargeADC(8),digit->ChargeADC(9),digit->ChargeADC(10),
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180 digit->ChargeADC(11),digit->ChargeADC(12),digit->ChargeADC(13),
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181 digit->ChargeADC(14),digit->ChargeADC(15)));
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182 AliDebug(10,Form(" PM nb : %d ; ADC= %f ; TDC= %f(%f) Enable Time %d charge %d inCoin %d charge %f",
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183 pmNumber,digit->ADC(),time,digit->Time(),
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184 fTriggerData->GetEnableTiming(board,channel),fTriggerData->GetEnableCharge(board,channel),
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185 fBBGate[board]->IsInCoincidence(time),fCharges[pmNumber]));
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186 fBBFlags[pmNumber] = fTriggerData->GetEnableTiming(board,channel) && fBBGate[board]->IsInCoincidence(time);
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187 fBGFlags[pmNumber] = fTriggerData->GetEnableTiming(board,channel) && fBGGate[board]->IsInCoincidence(time);
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189 } // end of loop over digits
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190 } // end of loop over events in digits tree
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192 Int_t nBBflagsV0A = 0;
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193 Int_t nBBflagsV0C = 0;
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194 Int_t nBGflagsV0A = 0;
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195 Int_t nBGflagsV0C = 0;
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196 Float_t chargeV0A = 0.;
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197 Float_t chargeV0C = 0.;
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198 Int_t aBBflagsV0A = 0;
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199 Int_t aBBflagsV0C = 0;
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200 Int_t aBGflagsV0A = 0;
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201 Int_t aBGflagsV0C = 0;
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203 for(int i=0;i<64;i++) {
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205 nBBflagsV0C += fBBFlags[i];
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206 nBGflagsV0C += fBGFlags[i];
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207 chargeV0C += fCharges[i];
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208 if (fBBFlags[i]) aBBflagsV0C |= (1 << i);
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209 if (fBGFlags[i]) aBGflagsV0C |= (1 << i);
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211 nBBflagsV0A += fBBFlags[i];
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212 nBGflagsV0A += fBGFlags[i];
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213 chargeV0A += fCharges[i];
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214 if (fBBFlags[i]) aBBflagsV0A |= (1 << (i-32));
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215 if (fBGFlags[i]) aBGflagsV0A |= (1 << (i-32));
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217 //AliInfo(Form("Ch %d BB=%d BG=%d",i,fBBFlags[i],fBGFlags[i] ));
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220 // Store the BB and BG flags in the digits tree (user info)
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221 fDigitsTree->GetUserInfo()->Add(new TParameter<int>("BBflagsV0A",aBBflagsV0A));
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222 fDigitsTree->GetUserInfo()->Add(new TParameter<int>("BBflagsV0C",aBBflagsV0C));
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223 fDigitsTree->GetUserInfo()->Add(new TParameter<int>("BGflagsV0A",aBGflagsV0A));
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224 fDigitsTree->GetUserInfo()->Add(new TParameter<int>("BGflagsV0C",aBGflagsV0C));
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227 if(nBBflagsV0A>=fTriggerData->GetBBAThreshold()) SetBBA();
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230 if(nBBflagsV0C>=fTriggerData->GetBBCThreshold()) SetBBC();
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233 if(GetBBA() && GetBBC()) SetBBAandBBC();
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236 if(GetBBA() || GetBBC()) SetBBAorBBC();
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239 if(nBGflagsV0A>=fTriggerData->GetBGAThreshold()) SetBGA();
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242 if(nBGflagsV0C>=fTriggerData->GetBGCThreshold()) SetBGC();
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244 // BGA_AND_BBC (Beam Gas from RB24 side)
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245 if(nBBflagsV0C>=fTriggerData->GetBBCForBGThreshold() && GetBGA()) SetBGAandBBC();
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247 // BGC_AND_BBA (Beam Gas from RB26 side)
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248 if(nBBflagsV0A>=fTriggerData->GetBBAForBGThreshold() && GetBGC()) SetBGCandBBA();
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250 // CTA1_AND_CTC1 (Centrality trigger 1)
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251 if(chargeV0A>=fTriggerData->GetCentralityV0AThrLow() && chargeV0C>=fTriggerData->GetCentralityV0CThrLow()) SetCTA1andCTC1();
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253 // CTA1_OR_CTC1 (Centrality trigger 1)
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254 if(chargeV0A>=fTriggerData->GetCentralityV0AThrLow() || chargeV0C>=fTriggerData->GetCentralityV0CThrLow()) SetCTA1orCTC1();
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256 // CTA2_AND_CTC2 (Centrality trigger 2)
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257 if(chargeV0A>=fTriggerData->GetCentralityV0AThrHigh() && chargeV0C>=fTriggerData->GetCentralityV0CThrHigh()) SetCTA2andCTC2();
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259 // CTA2_OR_CTC2 (Centrality trigger 2)
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260 if(chargeV0A>=fTriggerData->GetCentralityV0AThrHigh() || chargeV0C>=fTriggerData->GetCentralityV0CThrHigh()) SetCTA2orCTC2();
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262 // MTA_AND_MTC (Multiplicity Trigger)
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263 if((nBBflagsV0A<=fTriggerData->GetMultV0AThrHigh() && nBBflagsV0A>=fTriggerData->GetMultV0AThrLow())
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264 && (nBBflagsV0C<=fTriggerData->GetMultV0CThrHigh() && nBBflagsV0C>=fTriggerData->GetMultV0CThrLow()) )
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267 // MTA_OR_MTC (Multiplicity Trigger)
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268 if((nBBflagsV0A<=fTriggerData->GetMultV0AThrHigh() && nBBflagsV0A>=fTriggerData->GetMultV0AThrLow())
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269 || (nBBflagsV0C<=fTriggerData->GetMultV0CThrHigh() && nBBflagsV0C>=fTriggerData->GetMultV0CThrLow()) )
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273 if(GetBGA() || GetBGC()) SetBGAorBGC();
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275 // (BGA and BBC) or (BGC and BBA) (Beam Gas from one of the two sides)
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276 if(GetBGAandBBC() || GetBGCandBBA()) SetBeamGas();
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278 // AliInfo(Form("BB Flags : V0A = %d V0C = %d ",nBBflagsV0A, nBBflagsV0C ));
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279 // AliInfo(Form("BG Flags : V0A = %d V0C = %d ",nBGflagsV0A, nBGflagsV0C ));
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280 // AliInfo(Form("Charges : V0A = %d V0C = %d ",chargeV0A, chargeV0C ));
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