VZERO/AliVZEROTriggerSimulator.cxx

   1 /**************************************************************************\r
   2  * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *\r
   3  *                                                                        *\r
   4  * Author: The ALICE Off-line Project.                                    *\r
   5  * Contributors are mentioned in the code where appropriate.              *\r
   6  *                                                                        *\r
   7  * Permission to use, copy, modify and distribute this software and its   *\r
   8  * documentation strictly for non-commercial purposes is hereby granted   *\r
   9  * without fee, provided that the above copyright notice appears in all   *\r
  10  * copies and that both the copyright notice and this permission notice   *\r
  11  * appear in the supporting documentation. The authors make no claims     *\r
  12  * about the suitability of this software for any purpose. It is          *\r
  13  * provided "as is" without express or implied warranty.                  *\r
  14  **************************************************************************/\r
  15 // \r
  16 // Class AliVZEROTriggerSimulator\r
  17 // ------------------------------\r
  18 //  Simulate the VZERO Trigger response\r
  19 // Use FEE parameters stored in Database\r
  20 // Can work on real data or in simulation\r
  21 //\r
  22 \r
  23 #include <TTree.h>\r
  24 #include <TClonesArray.h>\r
  25 #include <TParameter.h>\r
  26 \r
  27 #include "AliLog.h"\r
  28 #include "AliCDBManager.h"\r
  29 #include "AliCDBEntry.h"\r
  30 #include "AliCDBStorage.h"\r
  31 #include "AliCDBId.h"\r
  32 #include "AliVZEROTriggerData.h"\r
  33 #include "AliVZEROLogicalSignal.h"\r
  34 #include "AliVZEROTriggerSimulator.h"\r
  35 #include "AliVZEROdigit.h"\r
  36 #include "AliVZEROCalibData.h"\r
  37 #include "AliVZEROConst.h"\r
  38 #include "AliCTPTimeParams.h"\r
  39 \r
  40 ClassImp(AliVZEROTriggerSimulator)\r
  41 \r
  42 //_____________________________________________________________________________\r
  43 AliVZEROTriggerSimulator::AliVZEROTriggerSimulator(TTree * digitsTree, TClonesArray* digits) : \r
  44 TObject(),fTriggerData(NULL),fDigitsTree(digitsTree),fDigits(digits),fTriggerWord(0)\r
  45 {\r
  46         // constructor\r
  47         fTriggerData = LoadTriggerData();\r
  48         LoadClockOffset();\r
  49         \r
  50         for(int i=0;i<64;i++) {\r
  51                 fBBFlags[i] = fBGFlags[i] = kFALSE;\r
  52                 fCharges[i] = 0.;\r
  53         }\r
  54         GenerateBBWindows();\r
  55         GenerateBGWindows();\r
  56         for (int i=0; i<AliVZEROTriggerData::kNCIUBoards; i++) {\r
  57                 fBBLatch[i] = new AliVZEROLogicalSignal(fTriggerData->GetLatchWin1(i),0); \r
  58                 fBGLatch[i] = new AliVZEROLogicalSignal(fTriggerData->GetLatchWin2(i),0); \r
  59                 fBBReset[i] = new AliVZEROLogicalSignal(fTriggerData->GetResetWin1(i),0);\r
  60                 fBGReset[i] = new AliVZEROLogicalSignal(fTriggerData->GetResetWin2(i),0);               \r
  61         }\r
  62 }\r
  63 //_____________________________________________________________________________\r
  64 AliVZEROTriggerSimulator::AliVZEROTriggerSimulator() : \r
  65 TObject(),fTriggerData(NULL),fDigitsTree(NULL),fDigits(NULL),fTriggerWord(0)\r
  66 {\r
  67         // Default constructor\r
  68         fTriggerData = LoadTriggerData();\r
  69         LoadClockOffset();\r
  70 \r
  71         for(int i=0;i<64;i++) {\r
  72                 fBBFlags[i] = fBGFlags[i] = kFALSE;\r
  73                 fCharges[i] = 0;\r
  74         }\r
  75         GenerateBBWindows();\r
  76         GenerateBGWindows();\r
  77         for (int i=0; i<AliVZEROTriggerData::kNCIUBoards; i++) {\r
  78                 fBBLatch[i] = new AliVZEROLogicalSignal(fTriggerData->GetLatchWin1(i),0); \r
  79                 fBGLatch[i] = new AliVZEROLogicalSignal(fTriggerData->GetLatchWin2(i),0); \r
  80                 fBBReset[i] = new AliVZEROLogicalSignal(fTriggerData->GetResetWin1(i),0);\r
  81                 fBGReset[i] = new AliVZEROLogicalSignal(fTriggerData->GetResetWin2(i),0);               \r
  82         }\r
  83 }\r
  84 \r
  85 //_____________________________________________________________________________\r
  86 AliVZEROTriggerSimulator::~AliVZEROTriggerSimulator(){\r
  87 // Destructor\r
  88   for (Int_t i=0; i<AliVZEROTriggerData::kNCIUBoards; i++) {\r
  89     delete fBBGate[i];\r
  90     delete fBGGate[i];\r
  91     delete fBBLatch[i];\r
  92     delete fBBReset[i];\r
  93     delete fBGLatch[i];\r
  94     delete fBGReset[i];\r
  95   }\r
  96 }\r
  97 \r
  98 //_____________________________________________________________________________\r
  99 void AliVZEROTriggerSimulator::GenerateBBWindows() \r
 100 {\r
 101         // Generates the BB observation window\r
 102         for (int i=0; i<AliVZEROTriggerData::kNCIUBoards; i++) {\r
 103                 AliVZEROLogicalSignal clk1BB(fTriggerData->GetClk1Win1(i),fTriggerData->GetDelayClk1Win1(i));\r
 104                 AliVZEROLogicalSignal clk2BB(fTriggerData->GetClk2Win1(i),fTriggerData->GetDelayClk2Win1(i));\r
 105                 fBBGate[i] = new AliVZEROLogicalSignal(clk1BB & clk2BB);\r
 106         }\r
 107 }\r
 108 //_____________________________________________________________________________\r
 109 void AliVZEROTriggerSimulator::GenerateBGWindows() \r
 110 {\r
 111         // Generates the BG observation window\r
 112         for (int i=0; i<AliVZEROTriggerData::kNCIUBoards; i++) {\r
 113                 AliVZEROLogicalSignal clk1BG(fTriggerData->GetClk1Win2(i),fTriggerData->GetDelayClk1Win2(i));\r
 114                 AliVZEROLogicalSignal clk2BG(fTriggerData->GetClk2Win2(i),fTriggerData->GetDelayClk2Win2(i));\r
 115                 fBGGate[i] = new AliVZEROLogicalSignal(clk1BG & clk2BG);\r
 116         }\r
 117 }\r
 118 \r
 119 //_____________________________________________________________________________\r
 120 AliVZEROTriggerData * AliVZEROTriggerSimulator::LoadTriggerData() const \r
 121 {\r
 122         // Gets Trigger object for VZERO set\r
 123         AliDebug(1,"Loading Trigger parameters");\r
 124         AliCDBManager *man = AliCDBManager::Instance();\r
 125         \r
 126         \r
 127         AliCDBEntry *entry=0;\r
 128         \r
 129         entry = man->Get("VZERO/Trigger/Data");\r
 130         if(!entry){\r
 131                 AliFatal("Load of trigger calibration data from default storage failed!");\r
 132                 return NULL;\r
 133         }\r
 134         \r
 135         // Retrieval of data in directory VZERO/Calib/Trigger:\r
 136         \r
 137         AliVZEROTriggerData *triggerData = NULL;\r
 138         \r
 139         if (entry) triggerData = (AliVZEROTriggerData*) entry->GetObject();\r
 140         if (!triggerData)  AliError("No Trigger data from database !");\r
 141         \r
 142         return triggerData;\r
 143 }\r
 144 \r
 145 \r
 146 //_____________________________________________________________________________\r
 147 void AliVZEROTriggerSimulator::LoadClockOffset()\r
 148 {\r
 149   // This method is used in order to\r
 150   // retrieve the TDC clock offset including\r
 151   // roll-over, trig count and CTP L0->L1 delay\r
 152 \r
 153   AliCDBEntry *entry0 = AliCDBManager::Instance()->Get("VZERO/Calib/Data");\r
 154   if (!entry0) {\r
 155     AliFatal("V0 Calib object is not found in OCDB !");\r
 156     return;\r
 157   }\r
 158   AliVZEROCalibData *calibdata = (AliVZEROCalibData*) entry0->GetObject();\r
 159 \r
 160   AliCDBEntry *entry = AliCDBManager::Instance()->Get("GRP/CTP/CTPtiming");\r
 161   if (!entry) {\r
 162     AliFatal("CTP timing parameters are not found in OCDB !");\r
 163     return;\r
 164   }\r
 165   AliCTPTimeParams *ctpParams = (AliCTPTimeParams*)entry->GetObject();\r
 166   Float_t l1Delay = (Float_t)ctpParams->GetDelayL1L0()*25.0;\r
 167 \r
 168   AliCDBEntry *entry1 = AliCDBManager::Instance()->Get("GRP/CTP/TimeAlign");\r
 169   if (!entry1) {\r
 170     AliFatal("CTP time-alignment is not found in OCDB !");\r
 171     return;\r
 172   }\r
 173   AliCTPTimeParams *ctpTimeAlign = (AliCTPTimeParams*)entry1->GetObject();\r
 174   l1Delay += ((Float_t)ctpTimeAlign->GetDelayL1L0()*25.0);\r
 175 \r
 176   for(Int_t board = 0; board < AliVZEROTriggerData::kNCIUBoards; ++board) {\r
 177     fClockOffset[board] = (((Float_t)calibdata->GetRollOver(board)-\r
 178                             (Float_t)calibdata->GetTriggerCountOffset(board))*25.0-\r
 179                            l1Delay+\r
 180                            kV0Offset);\r
 181     AliDebug(1,Form("Board %d Offset %f",board,fClockOffset[board]));\r
 182   }\r
 183 }\r
 184 \r
 185 //_____________________________________________________________________________\r
 186 void AliVZEROTriggerSimulator::Run() {\r
 187         //AliInfo("Generating VZERO Triggers");\r
 188         \r
 189         // Loop over VZERO entries\r
 190         Int_t nEntries = (Int_t)fDigitsTree->GetEntries();\r
 191         for (Int_t ievt=0; ievt<nEntries; ievt++) {\r
 192                 fDigitsTree->GetEvent(ievt);\r
 193                 \r
 194                 Int_t nDigits = fDigits->GetEntriesFast();\r
 195                 \r
 196                 for (Int_t iDigit=0; iDigit<nDigits; iDigit++) {\r
 197                         AliVZEROdigit* digit = (AliVZEROdigit*)fDigits->At(iDigit);\r
 198                         \r
 199                         Int_t integrator = digit->Integrator();\r
 200                         Int_t pmNumber   = digit->PMNumber();\r
 201                         Int_t board   = AliVZEROCalibData::GetBoardNumber(pmNumber);\r
 202                         Int_t channel = AliVZEROCalibData::GetFEEChannelNumber(pmNumber);\r
 203                         if (board < 0 || channel < 0) continue;\r
 204                         \r
 205                         if(fTriggerData->GetEnableCharge(board,channel)) {\r
 206                                 fCharges[pmNumber] = digit->ChargeADC(AliVZEROdigit::kNClocks/2);\r
 207                                 if(fTriggerData->GetPedestalSubtraction(board)) {\r
 208                                         if(fCharges[pmNumber]>=(Float_t) fTriggerData->GetPedestalCut(integrator,board,channel)){ \r
 209                                                 fCharges[pmNumber] -= (Float_t) fTriggerData->GetPedestal(integrator,board,channel);\r
 210                                         } else {\r
 211                                                 fCharges[pmNumber] = 0.;\r
 212                                         }\r
 213                                 }\r
 214                         } else {\r
 215                                 fCharges[pmNumber] = 0.;\r
 216                         }\r
 217                         \r
 218                         Float_t time = digit->Time();\r
 219                         time -= fClockOffset[board];\r
 220 \r
 221                         AliDebug(10,Form(" Digit: %f %d %d %d %d %d %d %d %d",digit->Time(),\r
 222                                          digit->ChargeADC(8),digit->ChargeADC(9),digit->ChargeADC(10),\r
 223                                          digit->ChargeADC(11),digit->ChargeADC(12),digit->ChargeADC(13),\r
 224                                          digit->ChargeADC(14),digit->ChargeADC(15)));\r
 225                         AliDebug(10,Form(" PM nb : %d ; TDC= %f(%f)  Enable Time %d charge %d inCoin %d charge %f",\r
 226                                          pmNumber,time,digit->Time(),\r
 227                                          fTriggerData->GetEnableTiming(board,channel),fTriggerData->GetEnableCharge(board,channel),\r
 228                                          fBBGate[board]->IsInCoincidence(time),fCharges[pmNumber]));\r
 229                         fBBFlags[pmNumber] = fTriggerData->GetEnableTiming(board,channel) && fBBGate[board]->IsInCoincidence(time);\r
 230                         fBGFlags[pmNumber] = fTriggerData->GetEnableTiming(board,channel) && fBGGate[board]->IsInCoincidence(time);\r
 231                         \r
 232                 } // end of loop over digits\r
 233         } // end of loop over events in digits tree\r
 234         \r
 235         Int_t nBBflagsV0A = 0;\r
 236         Int_t nBBflagsV0C = 0;\r
 237         Int_t nBGflagsV0A = 0;\r
 238         Int_t nBGflagsV0C = 0;\r
 239         Float_t chargeV0A   = 0.;\r
 240         Float_t chargeV0C   = 0.;\r
 241         Int_t aBBflagsV0A = 0;\r
 242         Int_t aBBflagsV0C = 0;\r
 243         Int_t aBGflagsV0A = 0;\r
 244         Int_t aBGflagsV0C = 0;\r
 245 \r
 246         for(int i=0;i<64;i++) {\r
 247                 if(i<32) {\r
 248                         nBBflagsV0C += fBBFlags[i]; \r
 249                         nBGflagsV0C += fBGFlags[i];\r
 250                         chargeV0C += fCharges[i];\r
 251                         if (fBBFlags[i]) aBBflagsV0C |= (1 << i);\r
 252                         if (fBGFlags[i]) aBGflagsV0C |= (1 << i);\r
 253                 } else {\r
 254                         nBBflagsV0A += fBBFlags[i]; \r
 255                         nBGflagsV0A += fBGFlags[i];\r
 256                         chargeV0A += fCharges[i];\r
 257                         if (fBBFlags[i]) aBBflagsV0A |= (1 << (i-32));\r
 258                         if (fBGFlags[i]) aBGflagsV0A |= (1 << (i-32));\r
 259                 }\r
 260                 //AliInfo(Form("Ch %d BB=%d BG=%d",i,fBBFlags[i],fBGFlags[i] )); \r
 261         }\r
 262 \r
 263         // Store the BB and BG flags in the digits tree (user info)\r
 264         fDigitsTree->GetUserInfo()->Add(new TParameter<int>("BBflagsV0A",aBBflagsV0A));\r
 265         fDigitsTree->GetUserInfo()->Add(new TParameter<int>("BBflagsV0C",aBBflagsV0C));\r
 266         fDigitsTree->GetUserInfo()->Add(new TParameter<int>("BGflagsV0A",aBGflagsV0A));\r
 267         fDigitsTree->GetUserInfo()->Add(new TParameter<int>("BGflagsV0C",aBGflagsV0C));\r
 268         \r
 269         // BBA\r
 270         if(nBBflagsV0A>=fTriggerData->GetBBAThreshold())  SetBBA();\r
 271         \r
 272         // BBC\r
 273         if(nBBflagsV0C>=fTriggerData->GetBBCThreshold())  SetBBC();\r
 274 \r
 275         // BBA_AND_BBC\r
 276         if(GetBBA() && GetBBC())  SetBBAandBBC();\r
 277         \r
 278         // BBA_OR_BBC\r
 279         if(GetBBA() || GetBBC()) SetBBAorBBC();\r
 280 \r
 281         // BGA\r
 282         if(nBGflagsV0A>=fTriggerData->GetBGAThreshold()) SetBGA();\r
 283 \r
 284         // BGC\r
 285         if(nBGflagsV0C>=fTriggerData->GetBGCThreshold()) SetBGC();\r
 286         \r
 287         // BGA_AND_BBC (Beam Gas from RB24 side)\r
 288         if(nBBflagsV0C>=fTriggerData->GetBBCForBGThreshold() && GetBGA()) SetBGAandBBC();\r
 289         \r
 290         // BGC_AND_BBA (Beam Gas from RB26 side)\r
 291         if(nBBflagsV0A>=fTriggerData->GetBBAForBGThreshold() && GetBGC()) SetBGCandBBA();\r
 292 \r
 293         // CTA1_AND_CTC1 (Centrality trigger 1)\r
 294         if(chargeV0A>=fTriggerData->GetCentralityV0AThrLow() && chargeV0C>=fTriggerData->GetCentralityV0CThrLow()) SetCTA1andCTC1();\r
 295 \r
 296         // CTA1_OR_CTC1 (Centrality trigger 1)\r
 297         if(chargeV0A>=fTriggerData->GetCentralityV0AThrLow() || chargeV0C>=fTriggerData->GetCentralityV0CThrLow()) SetCTA1orCTC1();\r
 298         \r
 299         // CTA2_AND_CTC2 (Centrality trigger 2)\r
 300         if(chargeV0A>=fTriggerData->GetCentralityV0AThrHigh() && chargeV0C>=fTriggerData->GetCentralityV0CThrHigh()) SetCTA2andCTC2();\r
 301         \r
 302         // CTA2_OR_CTC2 (Centrality trigger 2)\r
 303         if(chargeV0A>=fTriggerData->GetCentralityV0AThrHigh() || chargeV0C>=fTriggerData->GetCentralityV0CThrHigh()) SetCTA2orCTC2();\r
 304         \r
 305         // MTA_AND_MTC (Multiplicity Trigger)\r
 306         if((nBBflagsV0A<=fTriggerData->GetMultV0AThrHigh() && nBBflagsV0A>=fTriggerData->GetMultV0AThrLow())\r
 307            && (nBBflagsV0C<=fTriggerData->GetMultV0CThrHigh() && nBBflagsV0C>=fTriggerData->GetMultV0CThrLow()) ) \r
 308                 SetMTAandMTC();\r
 309         \r
 310         // MTA_OR_MTC (Multiplicity Trigger)\r
 311         if((nBBflagsV0A<=fTriggerData->GetMultV0AThrHigh() && nBBflagsV0A>=fTriggerData->GetMultV0AThrLow())\r
 312            || (nBBflagsV0C<=fTriggerData->GetMultV0CThrHigh() && nBBflagsV0C>=fTriggerData->GetMultV0CThrLow()) ) \r
 313                 SetMTAorMTC();\r
 314         \r
 315         // BGA_OR_BGC\r
 316         if(GetBGA() || GetBGC()) SetBGAorBGC();\r
 317         \r
 318         // (BGA and BBC) or (BGC and BBA) (Beam Gas from one of the two sides)\r
 319         if(GetBGAandBBC() || GetBGCandBBA()) SetBeamGas();\r
 320 \r
 321 //      AliInfo(Form("BB Flags : V0A = %d  V0C = %d ",nBBflagsV0A, nBBflagsV0C )); \r
 322 //      AliInfo(Form("BG Flags : V0A = %d  V0C = %d ",nBGflagsV0A, nBGflagsV0C )); \r
 323 //      AliInfo(Form("Charges  : V0A = %d  V0C = %d ",chargeV0A, chargeV0C )); \r
 324         \r
 325 }\r
 326 \r
 327 \r
 328 \r