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 \r
  39 ClassImp(AliVZEROTriggerSimulator)\r
  40 \r
  41 //_____________________________________________________________________________\r
  42 AliVZEROTriggerSimulator::AliVZEROTriggerSimulator(TTree * digitsTree, TClonesArray* digits) : \r
  43 TObject(),fTriggerData(NULL),fDigitsTree(digitsTree),fDigits(digits),fTriggerWord(0)\r
  44 {\r
  45         // constructor\r
  46         fTriggerData = LoadTriggerData();\r
  47         \r
  48         for(int i=0;i<64;i++) {\r
  49                 fBBFlags[i] = fBGFlags[i] = kFALSE;\r
  50                 fCharges[i] = 0.;\r
  51         }\r
  52         GenerateBBWindows();\r
  53         GenerateBGWindows();\r
  54         for (int i=0; i<AliVZEROTriggerData::kNCIUBoards; i++) {\r
  55                 fBBLatch[i] = new AliVZEROLogicalSignal(fTriggerData->GetLatchWin1(i),0); \r
  56                 fBGLatch[i] = new AliVZEROLogicalSignal(fTriggerData->GetLatchWin2(i),0); \r
  57                 fBBReset[i] = new AliVZEROLogicalSignal(fTriggerData->GetResetWin1(i),0);\r
  58                 fBGReset[i] = new AliVZEROLogicalSignal(fTriggerData->GetResetWin2(i),0);               \r
  59         }\r
  60 }\r
  61 //_____________________________________________________________________________\r
  62 AliVZEROTriggerSimulator::AliVZEROTriggerSimulator() : \r
  63 TObject(),fTriggerData(NULL),fDigitsTree(NULL),fDigits(NULL),fTriggerWord(0)\r
  64 {\r
  65         // Default constructor\r
  66         fTriggerData = LoadTriggerData();\r
  67 \r
  68         for(int i=0;i<64;i++) {\r
  69                 fBBFlags[i] = fBGFlags[i] = kFALSE;\r
  70                 fCharges[i] = 0;\r
  71         }\r
  72         GenerateBBWindows();\r
  73         GenerateBGWindows();\r
  74         for (int i=0; i<AliVZEROTriggerData::kNCIUBoards; i++) {\r
  75                 fBBLatch[i] = new AliVZEROLogicalSignal(fTriggerData->GetLatchWin1(i),0); \r
  76                 fBGLatch[i] = new AliVZEROLogicalSignal(fTriggerData->GetLatchWin2(i),0); \r
  77                 fBBReset[i] = new AliVZEROLogicalSignal(fTriggerData->GetResetWin1(i),0);\r
  78                 fBGReset[i] = new AliVZEROLogicalSignal(fTriggerData->GetResetWin2(i),0);               \r
  79         }\r
  80 }\r
  81 \r
  82 //_____________________________________________________________________________\r
  83 AliVZEROTriggerSimulator::~AliVZEROTriggerSimulator(){\r
  84 // Destructor\r
  85   for (Int_t i=0; i<AliVZEROTriggerData::kNCIUBoards; i++) {\r
  86     delete fBBGate[i];\r
  87     delete fBGGate[i];\r
  88     delete fBBLatch[i];\r
  89     delete fBBReset[i];\r
  90     delete fBGLatch[i];\r
  91     delete fBGReset[i];\r
  92   }\r
  93 }\r
  94 \r
  95 //_____________________________________________________________________________\r
  96 void AliVZEROTriggerSimulator::GenerateBBWindows() \r
  97 {\r
  98         // Generates the BB observation window\r
  99         for (int i=0; i<AliVZEROTriggerData::kNCIUBoards; i++) {\r
 100                 AliVZEROLogicalSignal clk1BB(fTriggerData->GetClk1Win1(i),fTriggerData->GetDelayClk1Win1(i));\r
 101                 AliVZEROLogicalSignal clk2BB(fTriggerData->GetClk2Win1(i),fTriggerData->GetDelayClk2Win1(i));\r
 102                 fBBGate[i] = new AliVZEROLogicalSignal(clk1BB & clk2BB);\r
 103         }\r
 104 }\r
 105 //_____________________________________________________________________________\r
 106 void AliVZEROTriggerSimulator::GenerateBGWindows() \r
 107 {\r
 108         // Generates the BG observation window\r
 109         for (int i=0; i<AliVZEROTriggerData::kNCIUBoards; i++) {\r
 110                 AliVZEROLogicalSignal clk1BG(fTriggerData->GetClk1Win2(i),fTriggerData->GetDelayClk1Win2(i));\r
 111                 AliVZEROLogicalSignal clk2BG(fTriggerData->GetClk2Win2(i),fTriggerData->GetDelayClk2Win2(i));\r
 112                 fBGGate[i] = new AliVZEROLogicalSignal(clk1BG & clk2BG);\r
 113         }\r
 114 }\r
 115 \r
 116 //_____________________________________________________________________________\r
 117 AliVZEROTriggerData * AliVZEROTriggerSimulator::LoadTriggerData() const \r
 118 {\r
 119         // Gets Trigger object for VZERO set\r
 120         AliDebug(1,"Loading Trigger parameters");\r
 121         AliCDBManager *man = AliCDBManager::Instance();\r
 122         \r
 123         \r
 124         AliCDBEntry *entry=0;\r
 125         \r
 126         entry = man->Get("VZERO/Trigger/Data");\r
 127         if(!entry){\r
 128                 AliWarning("Load of calibration data from default storage failed!");\r
 129                 AliWarning("Calibration data will be loaded from local storage ($ALICE_ROOT)");\r
 130                 \r
 131                 man->SetDefaultStorage("local://$ALICE_ROOT/OCDB");\r
 132                 entry = man->Get("VZERO/Trigger/Data",0);\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 void AliVZEROTriggerSimulator::Run() {\r
 147         //AliInfo("Generating VZERO Triggers");\r
 148         \r
 149         // Loop over VZERO entries\r
 150         Int_t nEntries = (Int_t)fDigitsTree->GetEntries();\r
 151         for (Int_t ievt=0; ievt<nEntries; ievt++) {\r
 152                 fDigitsTree->GetEvent(ievt);\r
 153                 \r
 154                 Int_t nDigits = fDigits->GetEntriesFast();\r
 155                 \r
 156                 for (Int_t iDigit=0; iDigit<nDigits; iDigit++) {\r
 157                         AliVZEROdigit* digit = (AliVZEROdigit*)fDigits->At(iDigit);\r
 158                         \r
 159                         Int_t integrator = digit->Integrator();\r
 160                         Int_t pmNumber   = digit->PMNumber();\r
 161                         Int_t board   = AliVZEROCalibData::GetBoardNumber(pmNumber);\r
 162                         Int_t channel = AliVZEROCalibData::GetFEEChannelNumber(pmNumber);\r
 163                         \r
 164                         if(fTriggerData->GetEnableCharge(board,channel)) {\r
 165                                 fCharges[pmNumber] = digit->ChargeADC(AliVZEROdigit::kNClocks/2);\r
 166                                 if(fTriggerData->GetPedestalSubtraction(board)) {\r
 167                                         if(fCharges[pmNumber]>=(Float_t) fTriggerData->GetPedestalCut(integrator,board,channel)){ \r
 168                                                 fCharges[pmNumber] -= (Float_t) fTriggerData->GetPedestal(integrator,board,channel);\r
 169                                         } else {\r
 170                                                 fCharges[pmNumber] = 0.;\r
 171                                         }\r
 172                                 }\r
 173                         } else {\r
 174                                 fCharges[pmNumber] = 0.;\r
 175                         }\r
 176                         \r
 177                         Float_t time = digit->Time();\r
 178                         time -= kClockOffset;\r
 179 \r
 180                         AliDebug(10,Form(" Digit: %f %d %d %d %d %d %d %d %d",digit->Time(),\r
 181                                          digit->ChargeADC(8),digit->ChargeADC(9),digit->ChargeADC(10),\r
 182                                          digit->ChargeADC(11),digit->ChargeADC(12),digit->ChargeADC(13),\r
 183                                          digit->ChargeADC(14),digit->ChargeADC(15)));\r
 184                         AliDebug(10,Form(" PM nb : %d ; TDC= %f(%f)  Enable Time %d charge %d inCoin %d charge %f",\r
 185                                          pmNumber,time,digit->Time(),\r
 186                                          fTriggerData->GetEnableTiming(board,channel),fTriggerData->GetEnableCharge(board,channel),\r
 187                                          fBBGate[board]->IsInCoincidence(time),fCharges[pmNumber]));\r
 188                         fBBFlags[pmNumber] = fTriggerData->GetEnableTiming(board,channel) && fBBGate[board]->IsInCoincidence(time);\r
 189                         fBGFlags[pmNumber] = fTriggerData->GetEnableTiming(board,channel) && fBGGate[board]->IsInCoincidence(time);\r
 190                         \r
 191                 } // end of loop over digits\r
 192         } // end of loop over events in digits tree\r
 193         \r
 194         Int_t nBBflagsV0A = 0;\r
 195         Int_t nBBflagsV0C = 0;\r
 196         Int_t nBGflagsV0A = 0;\r
 197         Int_t nBGflagsV0C = 0;\r
 198         Float_t chargeV0A   = 0.;\r
 199         Float_t chargeV0C   = 0.;\r
 200         Int_t aBBflagsV0A = 0;\r
 201         Int_t aBBflagsV0C = 0;\r
 202         Int_t aBGflagsV0A = 0;\r
 203         Int_t aBGflagsV0C = 0;\r
 204 \r
 205         for(int i=0;i<64;i++) {\r
 206                 if(i<32) {\r
 207                         nBBflagsV0C += fBBFlags[i]; \r
 208                         nBGflagsV0C += fBGFlags[i];\r
 209                         chargeV0C += fCharges[i];\r
 210                         if (fBBFlags[i]) aBBflagsV0C |= (1 << i);\r
 211                         if (fBGFlags[i]) aBGflagsV0C |= (1 << i);\r
 212                 } else {\r
 213                         nBBflagsV0A += fBBFlags[i]; \r
 214                         nBGflagsV0A += fBGFlags[i];\r
 215                         chargeV0A += fCharges[i];\r
 216                         if (fBBFlags[i]) aBBflagsV0A |= (1 << (i-32));\r
 217                         if (fBGFlags[i]) aBGflagsV0A |= (1 << (i-32));\r
 218                 }\r
 219                 //AliInfo(Form("Ch %d BB=%d BG=%d",i,fBBFlags[i],fBGFlags[i] )); \r
 220         }\r
 221 \r
 222         // Store the BB and BG flags in the digits tree (user info)\r
 223         fDigitsTree->GetUserInfo()->Add(new TParameter<int>("BBflagsV0A",aBBflagsV0A));\r
 224         fDigitsTree->GetUserInfo()->Add(new TParameter<int>("BBflagsV0C",aBBflagsV0C));\r
 225         fDigitsTree->GetUserInfo()->Add(new TParameter<int>("BGflagsV0A",aBGflagsV0A));\r
 226         fDigitsTree->GetUserInfo()->Add(new TParameter<int>("BGflagsV0C",aBGflagsV0C));\r
 227         \r
 228         // BBA\r
 229         if(nBBflagsV0A>=fTriggerData->GetBBAThreshold())  SetBBA();\r
 230         \r
 231         // BBC\r
 232         if(nBBflagsV0C>=fTriggerData->GetBBCThreshold())  SetBBC();\r
 233 \r
 234         // BBA_AND_BBC\r
 235         if(GetBBA() && GetBBC())  SetBBAandBBC();\r
 236         \r
 237         // BBA_OR_BBC\r
 238         if(GetBBA() || GetBBC()) SetBBAorBBC();\r
 239 \r
 240         // BGA\r
 241         if(nBGflagsV0A>=fTriggerData->GetBGAThreshold()) SetBGA();\r
 242 \r
 243         // BGC\r
 244         if(nBGflagsV0C>=fTriggerData->GetBGCThreshold()) SetBGC();\r
 245         \r
 246         // BGA_AND_BBC (Beam Gas from RB24 side)\r
 247         if(nBBflagsV0C>=fTriggerData->GetBBCForBGThreshold() && GetBGA()) SetBGAandBBC();\r
 248         \r
 249         // BGC_AND_BBA (Beam Gas from RB26 side)\r
 250         if(nBBflagsV0A>=fTriggerData->GetBBAForBGThreshold() && GetBGC()) SetBGCandBBA();\r
 251 \r
 252         // CTA1_AND_CTC1 (Centrality trigger 1)\r
 253         if(chargeV0A>=fTriggerData->GetCentralityV0AThrLow() && chargeV0C>=fTriggerData->GetCentralityV0CThrLow()) SetCTA1andCTC1();\r
 254 \r
 255         // CTA1_OR_CTC1 (Centrality trigger 1)\r
 256         if(chargeV0A>=fTriggerData->GetCentralityV0AThrLow() || chargeV0C>=fTriggerData->GetCentralityV0CThrLow()) SetCTA1orCTC1();\r
 257         \r
 258         // CTA2_AND_CTC2 (Centrality trigger 2)\r
 259         if(chargeV0A>=fTriggerData->GetCentralityV0AThrHigh() && chargeV0C>=fTriggerData->GetCentralityV0CThrHigh()) SetCTA2andCTC2();\r
 260         \r
 261         // CTA2_OR_CTC2 (Centrality trigger 2)\r
 262         if(chargeV0A>=fTriggerData->GetCentralityV0AThrHigh() || chargeV0C>=fTriggerData->GetCentralityV0CThrHigh()) SetCTA2orCTC2();\r
 263         \r
 264         // MTA_AND_MTC (Multiplicity Trigger)\r
 265         if((nBBflagsV0A<=fTriggerData->GetMultV0AThrHigh() && nBBflagsV0A>=fTriggerData->GetMultV0AThrLow())\r
 266            && (nBBflagsV0C<=fTriggerData->GetMultV0CThrHigh() && nBBflagsV0C>=fTriggerData->GetMultV0CThrLow()) ) \r
 267                 SetMTAandMTC();\r
 268         \r
 269         // MTA_OR_MTC (Multiplicity Trigger)\r
 270         if((nBBflagsV0A<=fTriggerData->GetMultV0AThrHigh() && nBBflagsV0A>=fTriggerData->GetMultV0AThrLow())\r
 271            || (nBBflagsV0C<=fTriggerData->GetMultV0CThrHigh() && nBBflagsV0C>=fTriggerData->GetMultV0CThrLow()) ) \r
 272                 SetMTAorMTC();\r
 273         \r
 274         // BGA_OR_BGC\r
 275         if(GetBGA() || GetBGC()) SetBGAorBGC();\r
 276         \r
 277         // (BGA and BBC) or (BGC and BBA) (Beam Gas from one of the two sides)\r
 278         if(GetBGAandBBC() || GetBGCandBBA()) SetBeamGas();\r
 279 \r
 280 //      AliInfo(Form("BB Flags : V0A = %d  V0C = %d ",nBBflagsV0A, nBBflagsV0C )); \r
 281 //      AliInfo(Form("BG Flags : V0A = %d  V0C = %d ",nBGflagsV0A, nBGflagsV0C )); \r
 282 //      AliInfo(Form("Charges  : V0A = %d  V0C = %d ",chargeV0A, chargeV0C )); \r
 283         \r
 284 }\r
 285 \r
 286 \r
 287 \r