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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38 #include "AliCTPTimeParams.h"
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40 ClassImp(AliVZEROTriggerSimulator)
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42 //_____________________________________________________________________________
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43 AliVZEROTriggerSimulator::AliVZEROTriggerSimulator(TTree * digitsTree, TClonesArray* digits) :
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44 TObject(),fTriggerData(NULL),fDigitsTree(digitsTree),fDigits(digits),fTriggerWord(0)
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47 fTriggerData = LoadTriggerData();
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50 for(int i=0;i<64;i++) {
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51 fBBFlags[i] = fBGFlags[i] = kFALSE;
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54 GenerateBBWindows();
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55 GenerateBGWindows();
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56 for (int i=0; i<AliVZEROTriggerData::kNCIUBoards; i++) {
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57 fBBLatch[i] = new AliVZEROLogicalSignal(fTriggerData->GetLatchWin1(i),0);
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58 fBGLatch[i] = new AliVZEROLogicalSignal(fTriggerData->GetLatchWin2(i),0);
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59 fBBReset[i] = new AliVZEROLogicalSignal(fTriggerData->GetResetWin1(i),0);
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60 fBGReset[i] = new AliVZEROLogicalSignal(fTriggerData->GetResetWin2(i),0);
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63 //_____________________________________________________________________________
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64 AliVZEROTriggerSimulator::AliVZEROTriggerSimulator() :
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65 TObject(),fTriggerData(NULL),fDigitsTree(NULL),fDigits(NULL),fTriggerWord(0)
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67 // Default constructor
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68 fTriggerData = LoadTriggerData();
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71 for(int i=0;i<64;i++) {
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72 fBBFlags[i] = fBGFlags[i] = kFALSE;
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75 GenerateBBWindows();
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76 GenerateBGWindows();
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77 for (int i=0; i<AliVZEROTriggerData::kNCIUBoards; i++) {
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78 fBBLatch[i] = new AliVZEROLogicalSignal(fTriggerData->GetLatchWin1(i),0);
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79 fBGLatch[i] = new AliVZEROLogicalSignal(fTriggerData->GetLatchWin2(i),0);
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80 fBBReset[i] = new AliVZEROLogicalSignal(fTriggerData->GetResetWin1(i),0);
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81 fBGReset[i] = new AliVZEROLogicalSignal(fTriggerData->GetResetWin2(i),0);
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85 //_____________________________________________________________________________
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86 AliVZEROTriggerSimulator::~AliVZEROTriggerSimulator(){
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88 for (Int_t i=0; i<AliVZEROTriggerData::kNCIUBoards; i++) {
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98 //_____________________________________________________________________________
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99 void AliVZEROTriggerSimulator::GenerateBBWindows()
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101 // Generates the BB observation window
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102 // In case gates are open the windows are equal to 25ns
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103 if (AreGatesOpen()) {
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104 for (int i=0; i<AliVZEROTriggerData::kNCIUBoards; i++) {
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105 fBBGate[i] = new AliVZEROLogicalSignal();
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106 fBBGate[i]->SetStartTime(0.);
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107 fBBGate[i]->SetStopTime(25.0);
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111 for (int i=0; i<AliVZEROTriggerData::kNCIUBoards; i++) {
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112 AliVZEROLogicalSignal clk1BB(fTriggerData->GetClk1Win1(i),fTriggerData->GetDelayClk1Win1(i));
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113 AliVZEROLogicalSignal clk2BB(fTriggerData->GetClk2Win1(i),fTriggerData->GetDelayClk2Win1(i));
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114 fBBGate[i] = new AliVZEROLogicalSignal(clk1BB & clk2BB);
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118 //_____________________________________________________________________________
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119 void AliVZEROTriggerSimulator::GenerateBGWindows()
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121 // Generates the BG observation window
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122 // In case gates are open the windows are equal to 25ns
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123 if (AreGatesOpen()) {
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124 for (int i=0; i<AliVZEROTriggerData::kNCIUBoards; i++) {
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125 fBGGate[i] = new AliVZEROLogicalSignal();
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126 fBGGate[i]->SetStartTime(0.);
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127 fBGGate[i]->SetStopTime(25.0);
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131 for (int i=0; i<AliVZEROTriggerData::kNCIUBoards; i++) {
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132 AliVZEROLogicalSignal clk1BG(fTriggerData->GetClk1Win2(i),fTriggerData->GetDelayClk1Win2(i));
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133 AliVZEROLogicalSignal clk2BG(fTriggerData->GetClk2Win2(i),fTriggerData->GetDelayClk2Win2(i));
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134 fBGGate[i] = new AliVZEROLogicalSignal(clk1BG & clk2BG);
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135 // In VZERO-A we have a shift by -25ns which is controlled by
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136 // 'Delay Win2' = 7 instead of default 6.
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137 // The flag is not stored in OCDB so we have manually shift the
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140 fBGGate[i]->SetStartTime(fBGGate[i]->GetStartTime()-25.0);
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141 fBGGate[i]->SetStopTime(fBGGate[i]->GetStopTime()-25.0);
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147 //_____________________________________________________________________________
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148 AliVZEROTriggerData * AliVZEROTriggerSimulator::LoadTriggerData() const
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150 // Gets Trigger object for VZERO set
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151 AliDebug(1,"Loading Trigger parameters");
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152 AliCDBManager *man = AliCDBManager::Instance();
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155 AliCDBEntry *entry=0;
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157 entry = man->Get("VZERO/Trigger/Data");
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159 AliFatal("Load of trigger calibration data from default storage failed!");
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163 // Retrieval of data in directory VZERO/Calib/Trigger:
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165 AliVZEROTriggerData *triggerData = NULL;
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167 if (entry) triggerData = (AliVZEROTriggerData*) entry->GetObject();
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168 if (!triggerData) AliError("No Trigger data from database !");
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170 return triggerData;
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174 //_____________________________________________________________________________
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175 void AliVZEROTriggerSimulator::LoadClockOffset()
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177 // This method is used in order to
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178 // retrieve the TDC clock offset including
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179 // roll-over, trig count and CTP L0->L1 delay
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181 AliCDBEntry *entry0 = AliCDBManager::Instance()->Get("VZERO/Calib/Data");
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183 AliFatal("V0 Calib object is not found in OCDB !");
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186 AliVZEROCalibData *calibdata = (AliVZEROCalibData*) entry0->GetObject();
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188 AliCDBEntry *entry = AliCDBManager::Instance()->Get("GRP/CTP/CTPtiming");
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190 AliFatal("CTP timing parameters are not found in OCDB !");
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193 AliCTPTimeParams *ctpParams = (AliCTPTimeParams*)entry->GetObject();
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194 Float_t l1Delay = (Float_t)ctpParams->GetDelayL1L0()*25.0;
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196 AliCDBEntry *entry1 = AliCDBManager::Instance()->Get("GRP/CTP/TimeAlign");
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198 AliFatal("CTP time-alignment is not found in OCDB !");
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201 AliCTPTimeParams *ctpTimeAlign = (AliCTPTimeParams*)entry1->GetObject();
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202 l1Delay += ((Float_t)ctpTimeAlign->GetDelayL1L0()*25.0);
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204 for(Int_t board = 0; board < AliVZEROTriggerData::kNCIUBoards; ++board) {
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205 fClockOffset[board] = (((Float_t)calibdata->GetRollOver(board)-
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206 (Float_t)calibdata->GetTriggerCountOffset(board))*25.0-
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209 AliDebug(1,Form("Board %d Offset %f",board,fClockOffset[board]));
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213 //_____________________________________________________________________________
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214 void AliVZEROTriggerSimulator::Run() {
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215 //AliInfo("Generating VZERO Triggers");
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217 // Loop over VZERO entries
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218 Int_t nEntries = (Int_t)fDigitsTree->GetEntries();
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219 for (Int_t ievt=0; ievt<nEntries; ievt++) {
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220 fDigitsTree->GetEvent(ievt);
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222 Int_t nDigits = fDigits->GetEntriesFast();
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224 for (Int_t iDigit=0; iDigit<nDigits; iDigit++) {
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225 AliVZEROdigit* digit = (AliVZEROdigit*)fDigits->At(iDigit);
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227 Int_t integrator = digit->Integrator();
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228 Int_t pmNumber = digit->PMNumber();
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229 Int_t board = AliVZEROCalibData::GetBoardNumber(pmNumber);
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230 Int_t channel = AliVZEROCalibData::GetFEEChannelNumber(pmNumber);
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231 if (board < 0 || channel < 0) continue;
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233 if(fTriggerData->GetEnableCharge(board,channel)) {
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234 fCharges[pmNumber] = digit->ChargeADC(AliVZEROdigit::kNClocks/2);
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235 if(fTriggerData->GetPedestalSubtraction(board)) {
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236 if(fCharges[pmNumber]>=(Float_t) fTriggerData->GetPedestalCut(integrator,board,channel)){
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237 fCharges[pmNumber] -= (Float_t) fTriggerData->GetPedestal(integrator,board,channel);
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239 fCharges[pmNumber] = 0.;
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243 fCharges[pmNumber] = 0.;
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246 Float_t time = digit->Time();
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247 time -= fClockOffset[board];
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249 AliDebug(10,Form(" Digit: %f %d %d %d %d %d %d %d %d",digit->Time(),
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250 digit->ChargeADC(8),digit->ChargeADC(9),digit->ChargeADC(10),
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251 digit->ChargeADC(11),digit->ChargeADC(12),digit->ChargeADC(13),
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252 digit->ChargeADC(14),digit->ChargeADC(15)));
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253 AliDebug(10,Form(" PM nb : %d ; TDC= %f(%f) Enable Time %d charge %d inCoin %d charge %f",
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254 pmNumber,time,digit->Time(),
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255 fTriggerData->GetEnableTiming(board,channel),fTriggerData->GetEnableCharge(board,channel),
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256 fBBGate[board]->IsInCoincidence(time),fCharges[pmNumber]));
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257 fBBFlags[pmNumber] = fTriggerData->GetEnableTiming(board,channel) && fBBGate[board]->IsInCoincidence(time);
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258 fBGFlags[pmNumber] = fTriggerData->GetEnableTiming(board,channel) && fBGGate[board]->IsInCoincidence(time);
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260 } // end of loop over digits
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261 } // end of loop over events in digits tree
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263 Int_t nBBflagsV0A = 0;
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264 Int_t nBBflagsV0C = 0;
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265 Int_t nBGflagsV0A = 0;
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266 Int_t nBGflagsV0C = 0;
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267 Float_t chargeV0A = 0.;
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268 Float_t chargeV0C = 0.;
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269 Int_t aBBflagsV0A = 0;
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270 Int_t aBBflagsV0C = 0;
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271 Int_t aBGflagsV0A = 0;
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272 Int_t aBGflagsV0C = 0;
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274 for(int i=0;i<64;i++) {
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276 nBBflagsV0C += fBBFlags[i];
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277 nBGflagsV0C += fBGFlags[i];
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278 chargeV0C += fCharges[i];
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279 if (fBBFlags[i]) aBBflagsV0C |= (1 << i);
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280 if (fBGFlags[i]) aBGflagsV0C |= (1 << i);
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282 nBBflagsV0A += fBBFlags[i];
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283 nBGflagsV0A += fBGFlags[i];
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284 chargeV0A += fCharges[i];
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285 if (fBBFlags[i]) aBBflagsV0A |= (1 << (i-32));
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286 if (fBGFlags[i]) aBGflagsV0A |= (1 << (i-32));
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288 //AliInfo(Form("Ch %d BB=%d BG=%d",i,fBBFlags[i],fBGFlags[i] ));
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291 // Store the BB and BG flags in the digits tree (user info)
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292 fDigitsTree->GetUserInfo()->Add(new TParameter<int>("BBflagsV0A",aBBflagsV0A));
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293 fDigitsTree->GetUserInfo()->Add(new TParameter<int>("BBflagsV0C",aBBflagsV0C));
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294 fDigitsTree->GetUserInfo()->Add(new TParameter<int>("BGflagsV0A",aBGflagsV0A));
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295 fDigitsTree->GetUserInfo()->Add(new TParameter<int>("BGflagsV0C",aBGflagsV0C));
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298 if(nBBflagsV0A>=fTriggerData->GetBBAThreshold()) SetBBA();
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301 if(nBBflagsV0C>=fTriggerData->GetBBCThreshold()) SetBBC();
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304 if(GetBBA() && GetBBC()) SetBBAandBBC();
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307 if(GetBBA() || GetBBC()) SetBBAorBBC();
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310 if(nBGflagsV0A>=fTriggerData->GetBGAThreshold()) SetBGA();
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313 if(nBGflagsV0C>=fTriggerData->GetBGCThreshold()) SetBGC();
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315 // BGA_AND_BBC (Beam Gas from RB24 side)
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316 if(nBBflagsV0C>=fTriggerData->GetBBCForBGThreshold() && GetBGA()) SetBGAandBBC();
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318 // BGC_AND_BBA (Beam Gas from RB26 side)
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319 if(nBBflagsV0A>=fTriggerData->GetBBAForBGThreshold() && GetBGC()) SetBGCandBBA();
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321 // CTA1_AND_CTC1 (Centrality trigger 1)
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322 if(chargeV0A>=fTriggerData->GetCentralityV0AThrLow() && chargeV0C>=fTriggerData->GetCentralityV0CThrLow()) SetCTA1andCTC1();
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324 // CTA1_OR_CTC1 (Centrality trigger 1)
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325 if(chargeV0A>=fTriggerData->GetCentralityV0AThrLow() || chargeV0C>=fTriggerData->GetCentralityV0CThrLow()) SetCTA1orCTC1();
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327 // CTA2_AND_CTC2 (Centrality trigger 2)
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328 if(chargeV0A>=fTriggerData->GetCentralityV0AThrHigh() && chargeV0C>=fTriggerData->GetCentralityV0CThrHigh()) SetCTA2andCTC2();
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330 // CTA2_OR_CTC2 (Centrality trigger 2)
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331 if(chargeV0A>=fTriggerData->GetCentralityV0AThrHigh() || chargeV0C>=fTriggerData->GetCentralityV0CThrHigh()) SetCTA2orCTC2();
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333 // MTA_AND_MTC (Multiplicity Trigger)
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334 if((nBBflagsV0A<=fTriggerData->GetMultV0AThrHigh() && nBBflagsV0A>=fTriggerData->GetMultV0AThrLow())
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335 && (nBBflagsV0C<=fTriggerData->GetMultV0CThrHigh() && nBBflagsV0C>=fTriggerData->GetMultV0CThrLow()) )
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338 // MTA_OR_MTC (Multiplicity Trigger)
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339 if((nBBflagsV0A<=fTriggerData->GetMultV0AThrHigh() && nBBflagsV0A>=fTriggerData->GetMultV0AThrLow())
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340 || (nBBflagsV0C<=fTriggerData->GetMultV0CThrHigh() && nBBflagsV0C>=fTriggerData->GetMultV0CThrLow()) )
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344 if(GetBGA() || GetBGC()) SetBGAorBGC();
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346 // (BGA and BBC) or (BGC and BBA) (Beam Gas from one of the two sides)
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347 if(GetBGAandBBC() || GetBGCandBBA()) SetBeamGas();
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349 // AliInfo(Form("BB Flags : V0A = %d V0C = %d ",nBBflagsV0A, nBBflagsV0C ));
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350 // AliInfo(Form("BG Flags : V0A = %d V0C = %d ",nBGflagsV0A, nBGflagsV0C ));
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351 // AliInfo(Form("Charges : V0A = %d V0C = %d ",chargeV0A, chargeV0C ));
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355 //_____________________________________________________________________________
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356 Bool_t AliVZEROTriggerSimulator::AreGatesOpen() const {
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357 // The method check if the gates are suppossed to be open
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358 // (corresponding to 'Test Window' flag in DCS).
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359 // Since the flag is not stored in OCDB, we just check if
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360 // all the clock delays are 0 or not.
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361 // This rules should be followed when setting up the detector
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362 // at the level of DCS
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364 for (int i=0; i<AliVZEROTriggerData::kNCIUBoards; i++) {
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365 if (fTriggerData->GetDelayClk1Win1(i)!=0 ||
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366 fTriggerData->GetDelayClk2Win1(i)!=0 ||
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367 fTriggerData->GetDelayClk1Win2(i)!=0 ||
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368 fTriggerData->GetDelayClk2Win2(i)!=0)
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374 //_____________________________________________________________________________
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375 void AliVZEROTriggerSimulator::Print(Option_t* /* opt */) const
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377 // Prints the trigger windows as
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378 // initialized from the OCDB
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379 for (int i=0; i<AliVZEROTriggerData::kNCIUBoards; i++) {
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380 std::cout << "Board=" << i << " BB (" << fBBGate[i]->GetStartTime() << " -> " << fBBGate[i]->GetStopTime() << ") BG (" << fBGGate[i]->GetStartTime() << " -> " << fBGGate[i]->GetStopTime() << ")" << std::endl;
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382 std::cout << std::endl;
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