T0/AliT0Reconstructor.cxx

   1 /**************************************************************************
   2  * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
   3  *                                                                        *
   4  * Author: The ALICE Off-line Project.                                    *
   5  * Contributors are mentioned in the code where appropriate.              *
   6  *                                                                        *
   7  * Permission to use, copy, modify and distribute this software and its   *
   8  * documentation strictly for non-commercial purposes is hereby granted   *
   9  * without fee, provided that the above copyright notice appears in all   *
  10  * copies and that both the copyright notice and this permission notice   *
  11  * appear in the supporting documentation. The authors make no claims     *
  12  * about the suitability of this software for any purpose. It is          *
  13  * provided "as is" without express or implied warranty.                  *
  14  **************************************************************************/
  15
  16 /* $Id$ */
  17 /*********************************************************************
  18  *  T0 reconstruction and filling ESD
  19  *  - reconstruct mean time (interation time)
  20  *  - vertex position
  21  *  -  multiplicity
  22  ********************************************************************/
  23
  24 #include <AliESDEvent.h>
  25 #include "AliLog.h"
  26 #include "AliT0RecPoint.h"
  27 #include "AliRawReader.h"
  28 #include "AliT0RawReader.h"
  29 #include "AliT0digit.h"
  30 #include "AliT0Reconstructor.h"
  31 #include "AliT0Parameters.h"
  32 #include "AliT0Calibrator.h"
  33 #include "AliESDfriend.h"
  34 #include "AliESDTZERO.h"
  35 #include "AliESDTZEROfriend.h"
  36 #include "AliLog.h"
  37 #include "AliCDBEntry.h"
  38 #include "AliCDBManager.h"
  39 #include "AliCTPTimeParams.h"
  40 #include "AliLHCClockPhase.h"
  41 #include "AliT0CalibSeasonTimeShift.h"
  42 #include "AliESDRun.h"
  43
  44 #include <TArrayI.h>
  45 #include <TGraph.h>
  46 #include <TMath.h>
  47 #include <Riostream.h>
  48
  49 ClassImp(AliT0Reconstructor)
  50
  51   AliT0Reconstructor:: AliT0Reconstructor(): AliReconstructor(),
  52                                              fdZonA(0),
  53                                              fdZonC(0),
  54                                              fZposition(0),
  55                                              fParam(NULL),
  56                                              fAmpLEDrec(),
  57                                              fQTC(0),
  58                                              fAmpLED(0),
  59                                              fCalib(),
  60                                              fLatencyHPTDC(9000),
  61                                              fLatencyL1(0),
  62                                              fLatencyL1A(0),
  63                                              fLatencyL1C(0),
  64                                              fGRPdelays(0),
  65                                              fTimeMeanShift(0x0),
  66                                              fTimeSigmaShift(0x0),
  67                                              fESDTZEROfriend(NULL),
  68                                              fESDTZERO(NULL),
  69                                              fIsCDFfromGRP(kFALSE)
  70
  71 {
  72   for (Int_t i=0; i<24; i++)  fTime0vertex[i] =0;
  73
  74   //constructor
  75   AliCDBEntry *entry = AliCDBManager::Instance()->Get("GRP/CTP/CTPtiming");
  76   if (!entry) AliFatal("CTP timing parameters are not found in OCDB !");
  77   AliCTPTimeParams *ctpParams = (AliCTPTimeParams*)entry->GetObject();
  78   Float_t l1Delay = (Float_t)ctpParams->GetDelayL1L0()*25.0;
  79
  80   AliCDBEntry *entry1 = AliCDBManager::Instance()->Get("GRP/CTP/TimeAlign");
  81   if (!entry1) AliFatal("CTP time-alignment is not found in OCDB !");
  82   AliCTPTimeParams *ctpTimeAlign = (AliCTPTimeParams*)entry1->GetObject();
  83   l1Delay += ((Float_t)ctpTimeAlign->GetDelayL1L0()*25.0);
  84
  85   AliCDBEntry *entry4 = AliCDBManager::Instance()->Get("GRP/Calib/LHCClockPhase");
  86   if (!entry4) AliFatal("LHC clock-phase shift is not found in OCDB !");
  87   AliLHCClockPhase *phase = (AliLHCClockPhase*)entry4->GetObject();
  88
  89   fGRPdelays = l1Delay - phase->GetMeanPhase();
  90
  91   AliCDBEntry *entry5 = AliCDBManager::Instance()->Get("T0/Calib/TimeAdjust");
  92   if (entry5) {
  93     AliT0CalibSeasonTimeShift *timeshift = (AliT0CalibSeasonTimeShift*)entry5->GetObject();
  94     fTimeMeanShift = timeshift->GetT0Means();
  95     fTimeSigmaShift  = timeshift->GetT0Sigmas();
  96   }
  97   else
  98     AliWarning("Time Adjust is not found in OCDB !");
  99
 100   fParam = AliT0Parameters::Instance();
 101   fParam->Init();
 102
 103   for (Int_t i=0; i<24; i++){
 104         TGraph* gr = fParam ->GetAmpLEDRec(i);
 105         if (gr) fAmpLEDrec.AddAtAndExpand(gr,i) ;
 106           TGraph* gr1 = fParam ->GetAmpLED(i);
 107           if (gr1) fAmpLED.AddAtAndExpand(gr1,i) ;
 108           TGraph* gr2 = fParam ->GetQTC(i);
 109           if (gr2) fQTC.AddAtAndExpand(gr2,i) ;
 110           fTime0vertex[i] = fParam->GetCFD(i);
 111  }
 112   fLatencyL1 = fParam->GetLatencyL1();
 113   fLatencyL1A = fParam->GetLatencyL1A();
 114   fLatencyL1C = fParam->GetLatencyL1C();
 115   fLatencyHPTDC = fParam->GetLatencyHPTDC();
 116   AliDebug(2,Form(" LatencyL1 %f latencyL1A %f latencyL1C %f latencyHPTDC %f \n",fLatencyL1, fLatencyL1A, fLatencyL1C, fLatencyHPTDC));
 117
 118   for (Int_t i=0; i<24; i++) {
 119      if( fTime0vertex[i] < 500 || fTime0vertex[i] > 60000)
 120        { fTime0vertex[i] =( 1000.*fLatencyHPTDC - 1000.*fLatencyL1 + 1000.*fGRPdelays)/24.4;
 121          fIsCDFfromGRP=kTRUE;
 122        }
 123      AliDebug(2,Form("OCDB mean CFD time %i %f \n",i, fTime0vertex[i]));
 124   }
 125   //here real Z position
 126   fdZonC = TMath::Abs(fParam->GetZPosition("T0/C/PMT1"));
 127   fdZonA = TMath::Abs(fParam->GetZPosition("T0/A/PMT15"));
 128
 129   fCalib = new AliT0Calibrator();
 130   fESDTZEROfriend = new AliESDTZEROfriend();
 131   fESDTZERO  = new AliESDTZERO();
 132
 133
 134 }
 135
 136 //_____________________________________________________________________________
 137 void AliT0Reconstructor::Reconstruct(TTree*digitsTree, TTree*clustersTree) const
 138 {
 139   // T0 digits reconstruction
 140   Int_t refAmp = 0 ; /*Int_t (GetRecoParam()->GetRefAmp());*/
 141
 142   TArrayI * timeCFD = new TArrayI(24);
 143   TArrayI * timeLED = new TArrayI(24);
 144   TArrayI * chargeQT0 = new TArrayI(24);
 145   TArrayI * chargeQT1 = new TArrayI(24);
 146
 147
 148   Float_t c = 29.9792458; // cm/ns
 149   Float_t channelWidth = fParam->GetChannelWidth() ;
 150   Double32_t vertex = 9999999, meanVertex = 0 ;
 151   Double32_t timeDiff=999999, meanTime=999999, timeclock=999999;
 152
 153
 154   AliDebug(1,Form("Start DIGITS reconstruction "));
 155
 156   Float_t lowAmpThreshold =  GetRecoParam()->GetAmpLowThreshold();
 157   Float_t highAmpThreshold =  GetRecoParam()->GetAmpHighThreshold();
 158   printf("Reconstruct(TTree*digitsTree highAmpThreshold %f  lowAmpThreshold %f \n",lowAmpThreshold, highAmpThreshold);
 159
 160   //shift T0A, T0C , T0AC
 161   Float_t shiftA = GetRecoParam() -> GetLow(310);
 162   Float_t shiftC = GetRecoParam() -> GetLow(311);
 163   Float_t shiftAC = GetRecoParam() -> GetLow(312);
 164   AliDebug(2, Form("Reconstruct(TTree*digitsTree shiftA %f shiftC %f shiftAC %f \n",shiftA, shiftC, shiftAC));
 165
 166   Double32_t besttimeA=9999999;  Double32_t besttimeA_best=9999999;
 167   Double32_t besttimeC=9999999;  Double32_t besttimeC_best=9999999;
 168   Int_t timeDelayCFD[24];
 169   Int_t badpmt[24];
 170   //Bad channel
 171   for (Int_t i=0; i<24; i++) {
 172     badpmt[i] = GetRecoParam() -> GetBadChannels(i);
 173     timeDelayCFD[i] =  Int_t (fParam->GetTimeDelayCFD(i));
 174   }
 175   fCalib->SetEq(0);
 176   TBranch *brDigits=digitsTree->GetBranch("T0");
 177   AliT0digit *fDigits = new AliT0digit() ;
 178   if (brDigits) {
 179     brDigits->SetAddress(&fDigits);
 180   }else{
 181     AliError(Form("EXEC Branch T0 digits not found"));
 182     return;
 183   }
 184
 185   digitsTree->GetEvent(0);
 186   digitsTree->GetEntry(0);
 187   brDigits->GetEntry(0);
 188   fDigits->GetTimeCFD(*timeCFD);
 189   fDigits->GetTimeLED(*timeLED);
 190   fDigits->GetQT0(*chargeQT0);
 191   fDigits->GetQT1(*chargeQT1);
 192   Int_t onlineMean =  fDigits->MeanTime();
 193
 194   Bool_t tr[5];
 195   for (Int_t i=0; i<5; i++) tr[i]=false;
 196
 197
 198   AliT0RecPoint frecpoints;
 199   AliT0RecPoint * pfrecpoints = &frecpoints;
 200   clustersTree->Branch( "T0", "AliT0RecPoint" ,&pfrecpoints);
 201
 202   Float_t time[24], adc[24], adcmip[24];
 203   for (Int_t ipmt=0; ipmt<24; ipmt++) {
 204     if(timeCFD->At(ipmt)>0 ) {
 205       Float_t timefull = 0.001*( timeCFD->At(ipmt) - 511 - timeDelayCFD[ipmt])  * channelWidth;
 206       frecpoints.SetTimeFull(ipmt, 0 ,timefull) ;
 207       if(( chargeQT1->At(ipmt) - chargeQT0->At(ipmt))>0)
 208         adc[ipmt] = chargeQT1->At(ipmt) - chargeQT0->At(ipmt);
 209       else
 210         adc[ipmt] = 0;
 211
 212       time[ipmt] = fCalib-> WalkCorrection(refAmp, ipmt, Int_t(adc[ipmt]),  timeCFD->At(ipmt)) ;
 213       time[ipmt] =   time[ipmt] - 511;
 214       Double_t sl = Double_t(timeLED->At(ipmt) - timeCFD->At(ipmt));
 215       //    time[ipmt] = fCalib-> WalkCorrection( refAmp,ipmt, Int_t(sl),  timeCFD->At(ipmt) ) ;
 216       AliDebug(5,Form(" ipmt %i QTC  %i , time in chann %i (led-cfd) %i ",
 217                       ipmt, Int_t(adc[ipmt]) ,Int_t(time[ipmt]),Int_t( sl)));
 218
 219       Double_t ampMip = 0;
 220       TGraph* ampGraph = (TGraph*)fAmpLED.At(ipmt);
 221       if (ampGraph) ampMip = ampGraph->Eval(sl);
 222       Double_t qtMip = 0;
 223       TGraph* qtGraph = (TGraph*)fQTC.At(ipmt);
 224       if (qtGraph) qtMip = qtGraph->Eval(adc[ipmt]);
 225       AliDebug(5,Form("  Amlitude in MIPS LED %f ,  QTC %f in channels %f\n ",ampMip,qtMip, adc[ipmt]));
 226       frecpoints.SetTime(ipmt, Float_t(time[ipmt]) );
 227       frecpoints.SetAmpLED(ipmt, Float_t( ampMip));
 228       frecpoints.SetAmp(ipmt, Float_t(qtMip));
 229       adcmip[ipmt]=qtMip;
 230
 231     }
 232     else {
 233       time[ipmt] = -99999;
 234       adc[ipmt] = 0;
 235       adcmip[ipmt] = 0;
 236
 237     }
 238   }
 239
 240   for (Int_t ipmt=0; ipmt<12; ipmt++){
 241     if(time[ipmt] !=0 &&  time[ipmt] > 0
 242        &&  adcmip[ipmt]>lowAmpThreshold && adcmip[ipmt]<highAmpThreshold )
 243       {
 244         if(time[ipmt]<besttimeC) besttimeC=time[ipmt]; //timeC
 245         if(TMath::Abs(time[ipmt])<TMath::Abs(besttimeC_best))
 246           besttimeC_best=time[ipmt]; //timeC
 247       }
 248   }
 249   for ( Int_t ipmt=12; ipmt<24; ipmt++)
 250     {
 251       if(time[ipmt] != 0 &&  time[ipmt] > 0
 252          && adcmip[ipmt]>lowAmpThreshold && adcmip[ipmt]<highAmpThreshold)
 253         {
 254           if(time[ipmt]<besttimeA) besttimeA=time[ipmt];
 255           if(TMath::Abs(time[ipmt] ) < TMath::Abs(besttimeA_best))
 256             besttimeA_best=time[ipmt]; //timeA
 257         }
 258     }
 259
 260   if( besttimeA < 999999 && besttimeA!=0) {
 261     frecpoints.SetTimeBestA((besttimeA_best * channelWidth  - fdZonA/c)  );
 262     frecpoints.SetTime1stA((besttimeA * channelWidth  - fdZonA/c - shiftA) );
 263     tr[1]=true;
 264   }
 265
 266   if( besttimeC < 999999 && besttimeC!=0) {
 267     frecpoints.SetTimeBestC((besttimeC_best * channelWidth  - fdZonC/c) );
 268     frecpoints.SetTime1stC((besttimeC * channelWidth  - fdZonC/c - shiftC) );
 269     tr[2]=true;
 270   }
 271
 272   AliDebug(5,Form("1stimeA %f , besttimeA %f 1sttimeC %f besttimeC %f ",
 273                   besttimeA, besttimeA_best,
 274                   besttimeC, besttimeC_best) );
 275
 276   if(besttimeA <999999 && besttimeC < 999999 ){
 277     //    timeDiff = (besttimeC - besttimeA)*channelWidth;
 278     timeDiff = (besttimeA - besttimeC)*channelWidth;
 279     meanTime = channelWidth * (besttimeA_best + besttimeC_best)/2. ;
 280     timeclock = channelWidth * (besttimeA + besttimeC)/2. - shiftAC ;
 281     vertex = meanVertex - 0.001* c*(timeDiff)/2.;// + (fdZonA - fdZonC)/2;
 282     tr[0]=true;
 283   }
 284   frecpoints.SetVertex(vertex);
 285   frecpoints.SetMeanTime(meanTime );
 286   frecpoints.SetT0clock(timeclock );
 287   frecpoints.SetT0Trig(tr);
 288
 289  AliDebug(5,Form("fRecPoints:::  1stimeA %f , besttimeA %f 1sttimeC %f besttimeC %f vertex %f",
 290                   frecpoints.Get1stTimeA(),  frecpoints.GetBestTimeA(),
 291                   frecpoints.Get1stTimeC(),  frecpoints.GetBestTimeC(),
 292                   vertex ) );
 293
 294   AliDebug(5,Form("T0 triggers %d %d %d %d %d",tr[0],tr[1],tr[2],tr[3],tr[4]));
 295
 296   //online mean
 297   frecpoints.SetOnlineMean(Int_t(onlineMean));
 298   AliDebug(10,Form("  timeDiff %f #channel,  meanTime %f #channel, vertex %f cm online mean %i timeclock %f ps",timeDiff, meanTime,vertex, Int_t(onlineMean), timeclock));
 299
 300   clustersTree->Fill();
 301
 302   delete timeCFD;
 303   delete timeLED;
 304   delete chargeQT0;
 305   delete chargeQT1;
 306 }
 307
 308
 309 //_______________________________________________________________________
 310
 311 void AliT0Reconstructor::Reconstruct(AliRawReader* rawReader, TTree*recTree) const
 312 {
 313   // T0 raw ->
 314   //
 315
 316   Float_t meanOrA = fTime0vertex[0] + 587;
 317   Float_t meanOrC = fTime0vertex[0] + 678;
 318   Float_t meanTVDC = fTime0vertex[0] + 2564;
 319   Float_t meanQT1 = fTime0vertex[0] + 2564;
 320   Float_t meanQT0 = fTime0vertex[0] + 3564;
 321
 322   Int_t timeDelayCFD[24];
 323   Int_t corridor = GetRecoParam() -> GetCorridor();
 324   if(fIsCDFfromGRP) corridor *=5;
 325   AliDebug(10,Form("fIsCDFfromGRP %i  corridor %i \n",fIsCDFfromGRP, corridor) );
 326   Int_t badpmt[24];
 327   //Bad channel
 328   for (Int_t i=0; i<24; i++) {
 329     badpmt[i] = GetRecoParam() -> GetBadChannels(i);
 330     timeDelayCFD[i] =  Int_t (fParam->GetTimeDelayCFD(i));
 331   }
 332   Int_t equalize = GetRecoParam() -> GetEq();
 333   AliDebug(10,Form( "AliT0Reconstructor::Reconstruct::: RecoParam %i \n",equalize ) );
 334   fCalib->SetEq(equalize);
 335   Int_t low[500], high[500];
 336   Float_t timefull=-99999;;
 337   Float_t tvdc  = -99999; Float_t ora = -99999; Float_t orc = -99999;
 338
 339   Int_t allData[110][5];
 340
 341   Int_t timeCFD[24], timeLED[24], chargeQT0[24], chargeQT1[24];
 342   Float_t time2zero[24];
 343   Double32_t timeDiff, meanTime, timeclock;
 344   timeDiff =  meanTime = timeclock = 9999999;
 345   Float_t c = 29.9792458; // cm/ns
 346   Double32_t vertex = 9999999;
 347   Int_t onlineMean=0;
 348   Float_t meanVertex = 0;
 349   Int_t pedestal[24];
 350   for (Int_t i0=0; i0<24; i0++) {
 351     low[i0] = Int_t(fTime0vertex[i0]) - corridor;
 352     high[i0] = Int_t(fTime0vertex[i0]) + corridor;
 353     time2zero[i0] = 99999;
 354     pedestal[i0]=Int_t (GetRecoParam()->GetLow(100+i0) );
 355   }
 356
 357   for (Int_t i0=0; i0<110; i0++)
 358     for (Int_t j0=0; j0<5; j0++)  allData[i0][j0]=0;
 359
 360   Float_t lowAmpThreshold =  GetRecoParam()->GetAmpLowThreshold();
 361   Float_t highAmpThreshold =  GetRecoParam()->GetAmpHighThreshold();
 362
 363   Double32_t besttimeA=9999999;  Double32_t besttimeA_best=9999999;
 364   Double32_t besttimeC=9999999;  Double32_t besttimeC_best=9999999;
 365
 366    Float_t channelWidth = fParam->GetChannelWidth() ;
 367
 368   AliT0RecPoint frecpoints;
 369   AliT0RecPoint * pfrecpoints = &frecpoints;
 370
 371   recTree->Branch( "T0", "AliT0RecPoint" ,&pfrecpoints);
 372
 373   AliDebug(10," before read data ");
 374   AliT0RawReader myrawreader(rawReader);
 375
 376   UInt_t type =rawReader->GetType();
 377
 378   if (!myrawreader.Next())
 379     AliDebug(1,Form(" no raw data found!!"));
 380   else
 381     {
 382    for (Int_t i=0; i<24; i++)
 383     {
 384       timeCFD[i]=0; timeLED[i]=0; chargeQT0[i]=0; chargeQT1[i]=0;
 385     }
 386
 387       if(type == 7  ) {  //only physics
 388         for (Int_t i=0; i<107; i++) {
 389         for (Int_t iHit=0; iHit<5; iHit++)
 390           {
 391             allData[i][iHit] = myrawreader.GetData(i,iHit);
 392           }
 393         }
 394
 395         Int_t fBCID=Int_t (rawReader->GetBCID());
 396         Int_t trmbunch= myrawreader.GetTRMBunchID();
 397         AliDebug(10,Form(" CDH BC ID %i, TRM BC ID %i \n", fBCID, trmbunch ));
 398         if( (trmbunch-fBCID)!=37  ) {
 399           AliDebug(0,Form("wrong :::: CDH BC ID %i, TRM BC ID %i \n", fBCID, trmbunch ));
 400           //    type = -1;
 401         }
 402         for (Int_t in=0; in<12; in++)
 403           {
 404             for (Int_t iHit=0; iHit<5; iHit++)
 405               {
 406                 if(allData[in+1][iHit] > low[in] &&
 407                    allData[in+1][iHit] < high[in])
 408                   {
 409                     timeCFD[in] = allData[in+1][iHit] ;
 410                     break;
 411                   }
 412               }
 413             for (Int_t iHit=0; iHit<5; iHit++)
 414               {
 415                 if(allData[in+1+56][iHit] > low[in+12] &&
 416                    allData[in+1+56][iHit] < high[in+12])
 417                   {
 418                     timeCFD[in+12] = allData[in+56+1][iHit] ;
 419                     break;
 420                   }
 421               }
 422             timeLED[in+12] = allData[in+68+1][0] ;
 423             timeLED[in] = allData[in+12+1][0] ;
 424             AliDebug(50, Form(" readed i %i cfdC %i cfdA %i ledC %i ledA%i ",
 425                               in, timeCFD[in],timeCFD[in+12],timeLED[in],
 426                              timeLED[in+12]));
 427
 428           }
 429
 430         for (Int_t in=0; in<12;  in++)
 431           {
 432             for (Int_t iHit=0; iHit<5; iHit++)
 433               {
 434                 if (allData[2*in+26][iHit] > fTime0vertex[0]+2000 &&
 435                     allData[2*in+26][iHit] <fTime0vertex[0]+3000 ) {
 436                     chargeQT1[in]=allData[2*in+26][0];
 437                     break;
 438                 }
 439               }
 440
 441             for (Int_t iHit=0; iHit<5; iHit++)
 442               {
 443                 if( (allData[2*in+25][iHit] -  chargeQT1[in])>800
 444                     &&  chargeQT1[in]>0)
 445                   {
 446                     chargeQT0[in]=allData[2*in+25][0];
 447                     AliDebug(25, Form(" readed Raw %i %i %i",
 448                                       in, chargeQT0[in],chargeQT1[in]));
 449                     break;
 450                   }
 451                 }
 452           }
 453         for (Int_t in=12; in<24;  in++)
 454           {
 455             for (Int_t iHit=0; iHit<5; iHit++)
 456               {
 457                 if (allData[2*in+58][iHit] > fTime0vertex[0]+2000 &&
 458                     allData[2*in+58][iHit] <fTime0vertex[0]+3000 )
 459                   {
 460                     chargeQT1[in]=allData[2*in+58][0];
 461                     break;
 462                   }
 463               }
 464             for (Int_t iHit=0; iHit<5; iHit++)
 465               {
 466                 if( (allData[2*in+57][iHit] -  chargeQT1[in])>800 &&
 467                     chargeQT1[in]>0 )
 468                   {
 469                     chargeQT0[in]=allData[2*in+57][0];
 470                     AliDebug(25, Form(" readed Raw %i %i %i",
 471                                       in, chargeQT0[in],chargeQT1[in]));
 472                     break;
 473                   }
 474               }
 475           }
 476
 477         onlineMean = allData[49][0];
 478
 479         Double32_t time[24], adc[24], adcmip[24], noncalibtime[24];
 480         for (Int_t ipmt=0; ipmt<24; ipmt++) {
 481           if(timeCFD[ipmt] >  0 && (chargeQT0[ipmt] - chargeQT1[ipmt])> 0 ){
 482            //for simulated data
 483              //for physics  data
 484            adc[ipmt] = chargeQT0[ipmt] - chargeQT1[ipmt];
 485            Int_t refAmp = Int_t (fTime0vertex[ipmt]);
 486            time[ipmt] = fCalib-> WalkCorrection( refAmp, ipmt, Int_t(adc[ipmt]), timeCFD[ipmt] ) ;
 487            Double_t sl = timeLED[ipmt] - timeCFD[ipmt];
 488            // time[ipmt] = fCalib-> WalkCorrection( refAmp,ipmt, Int_t(sl), timeCFD[ipmt] ) ;
 489            AliDebug(5,Form(" ipmt %i QTC %i , time in chann %i (led-cfd) %i ",
 490                             ipmt, Int_t(adc[ipmt]) ,Int_t(time[ipmt]),Int_t( sl)));
 491            Double_t ampMip = 0;
 492            TGraph * ampGraph =  (TGraph*)fAmpLED.At(ipmt);
 493            if (ampGraph) ampMip = ampGraph->Eval(sl);
 494            Double_t qtMip = 0;
 495            TGraph * qtGraph = (TGraph*)fQTC.At(ipmt);
 496            if (qtGraph) qtMip = qtGraph->Eval(adc[ipmt]);
 497            AliDebug(10,Form("  Amlitude in MIPS LED %f ; QTC %f;  in channels %f\n ",ampMip,qtMip, adc[ipmt]));
 498            if( equalize  ==0 )
 499              frecpoints.SetTime(ipmt, Float_t(time[ipmt]) );
 500            else
 501              frecpoints.SetTime(ipmt, Float_t(time[ipmt] + fTime0vertex[ipmt]) );
 502            // frecpoints.SetTime(ipmt, Float_t(time[ipmt] ) );
 503            if(qtMip<0) qtMip=0;
 504            frecpoints.SetAmp(ipmt, Double32_t( qtMip));
 505            adcmip[ipmt]=qtMip;
 506            frecpoints.SetAmpLED(ipmt, Double32_t(ampMip));
 507            noncalibtime[ipmt]= Double32_t (timeCFD[ipmt]);
 508           }
 509           else {
 510            time[ipmt] = -9999;
 511            adc[ipmt] = 0;
 512            adcmip[ipmt] = 0;
 513            noncalibtime[ipmt] = -9999;
 514           }
 515        }
 516        fESDTZEROfriend->SetT0timeCorr(noncalibtime) ;
 517
 518        for (Int_t ipmt=0; ipmt<12; ipmt++){
 519          if(time[ipmt] !=0 &&  time[ipmt] > -9000
 520             /*&& badpmt[ipmt]==0 */
 521             &&  adcmip[ipmt]>lowAmpThreshold )
 522            {
 523              if(time[ipmt]<besttimeC) besttimeC=time[ipmt]; //timeC
 524              if(TMath::Abs(time[ipmt])<TMath::Abs(besttimeC_best))
 525                besttimeC_best=time[ipmt]; //timeC
 526            }
 527        }
 528        for ( Int_t ipmt=12; ipmt<24; ipmt++)
 529          {
 530            if(time[ipmt] != 0 &&  time[ipmt] > -9000
 531               /* && badpmt[ipmt]==0*/
 532               && adcmip[ipmt]>lowAmpThreshold )
 533              {
 534                if(time[ipmt]<besttimeA) besttimeA=time[ipmt];
 535                if(TMath::Abs(time[ipmt] ) < TMath::Abs(besttimeA_best))
 536                  besttimeA_best=time[ipmt]; //timeA
 537              }
 538          }
 539
 540        if(besttimeA < 999999 && besttimeA!=0 ) {
 541          if( equalize  ==0 )
 542            frecpoints.SetTime1stA((besttimeA * channelWidth)- 1000.*fLatencyHPTDC + 1000.*fLatencyL1A - 1000.*fGRPdelays - fTimeMeanShift[1] );
 543          else
 544            {
 545              frecpoints.SetTimeBestA((besttimeA_best * channelWidth ));
 546              frecpoints.SetTime1stA((besttimeA * channelWidth - fTimeMeanShift[1]));
 547            }
 548        }
 549        if( besttimeC < 999999 && besttimeC!=0) {
 550          if( equalize  ==0 )
 551            frecpoints.SetTime1stC((besttimeC * channelWidth)- 1000.*fLatencyHPTDC +1000.*fLatencyL1C - 1000.*fGRPdelays - fTimeMeanShift[2]);
 552          else
 553            {
 554              frecpoints.SetTimeBestC((besttimeC_best * channelWidth ));
 555              frecpoints.SetTime1stC((besttimeC * channelWidth - fTimeMeanShift[2]));
 556            }
 557        }
 558        AliDebug(5,Form("1stimeA %f , besttimeA %f 1sttimeC %f besttimeC %f ",
 559                        besttimeA, besttimeA_best,
 560                        besttimeC, besttimeC_best) );
 561        AliDebug(5,Form("fRecPoints:::  1stimeA %f , besttimeA %f 1sttimeC %f besttimeC %f shiftA %f shiftC %f ",
 562                        frecpoints.Get1stTimeA(),  frecpoints.GetBestTimeA(),
 563                        frecpoints.Get1stTimeC(),  frecpoints.GetBestTimeC(),
 564                        fTimeMeanShift[1],fTimeMeanShift[2] ) );
 565        if( besttimeC < 999999 &&  besttimeA < 999999) {
 566          if(equalize  ==0 )
 567            timeclock = (channelWidth*(besttimeC + besttimeA)/2.- 1000.*fLatencyHPTDC +1000.*fLatencyL1 - 1000.*fGRPdelays - fTimeMeanShift[0]);
 568          else
 569            {
 570              timeclock = channelWidth * Float_t( besttimeA+besttimeC)/2. - fTimeMeanShift[0];
 571              meanTime = channelWidth * Float_t(besttimeA_best + besttimeC_best )/2.;
 572            }
 573          timeDiff = ( besttimeA - besttimeC)* 0.001* channelWidth ;
 574          vertex =  meanVertex - c*(timeDiff)/2. ; //+ (fdZonA - fdZonC)/2;
 575        }
 576
 577       }  //if phys event
 578        AliDebug(1,Form("  timeDiff %f #channel,  meanTime %f #ps, TOFmean%f  vertex %f cm meanVertex %f  \n",timeDiff, meanTime,timeclock, vertex,meanVertex));
 579        frecpoints.SetT0clock(timeclock);
 580        frecpoints.SetVertex(vertex);
 581        frecpoints.SetMeanTime(meanTime);
 582        frecpoints.SetOnlineMean(Int_t(onlineMean));
 583
 584       // Set triggers
 585       Bool_t tr[5];
 586       Int_t trchan[5] = {50,51,52,55,56};
 587       Float_t lowtr[5] = {meanTVDC-700, meanOrA-700, meanOrC-700, meanOrC-1000, meanOrC-1000 };
 588       Float_t hightr[5] = {meanTVDC+700, meanOrA+700, meanOrC+700, meanOrC+1000, meanOrC+1000};
 589
 590       for (Int_t i=0; i<5; i++) tr[i] = false;
 591       for (Int_t itr=0; itr<5; itr++) {
 592         for (Int_t iHit=0; iHit<1; iHit++)
 593           {
 594             Int_t trr=trchan[itr];
 595             if( allData[trr][iHit] > lowtr[itr] && allData[trr][iHit] < hightr[itr])  tr[itr]=true;
 596
 597             AliDebug(15,Form("Reconstruct :::  T0 triggers iHit %i tvdc %d orA %d orC %d centr %d semicentral %d",iHit, tr[0],tr[1],tr[2],tr[3],tr[4]));
 598           }
 599       }
 600       frecpoints.SetT0Trig(tr);
 601
 602       // all times with amplitude correction
 603       Float_t timecent;
 604       for (Int_t iHit=0; iHit<5; iHit++)
 605         {
 606           timefull = timecent = -9999;
 607           tvdc = ora = orc = -9999;
 608           if(allData[50][iHit]>0)
 609             tvdc = (Float_t(allData[50][iHit]) - meanTVDC) * channelWidth* 0.001;
 610           if(allData[51][iHit]>0)
 611             ora = (Float_t(allData[51][iHit]) - meanOrA) * channelWidth* 0.001;
 612
 613           if(allData[52][iHit]>0)
 614             orc = (Float_t(allData[52][iHit]) - meanOrC) * channelWidth* 0.001;
 615
 616           frecpoints.SetOrC( iHit, orc);
 617           frecpoints.SetOrA( iHit, ora);
 618           frecpoints.SetTVDC( iHit, tvdc);
 619           for (Int_t i0=0; i0<12; i0++) {
 620             if (equalize  ==0 )
 621               timecent = fTime0vertex[i0] + timeDelayCFD[i0];
 622             else
 623               timecent = fTime0vertex[i0];
 624             timefull = -9999;
 625             if(allData[i0+1][iHit]>1)
 626               timefull = (Float_t(allData[i0+1][iHit]) - timecent)* channelWidth* 0.001;
 627             frecpoints.SetTimeFull(i0, iHit,timefull) ;
 628             //      if(allData[i0+1][iHit]>1)  printf("i0 %d iHit %d data %d fTime0vertex %f timefull %f \n",i0, iHit, allData[i0+1][iHit], fTime0vertex[i0], timefull);
 629
 630           }
 631
 632           for (Int_t i0=12; i0<24; i0++) {
 633             timefull = -9999;
 634             if (equalize  ==0 )
 635               timecent = fTime0vertex[i0] + timeDelayCFD[i0];
 636             else
 637               timecent = fTime0vertex[i0];
 638             if(allData[i0+45][iHit]>1) {
 639               timefull = (Float_t(allData[i0+45][iHit]) - timecent)* channelWidth* 0.001;
 640             }
 641             //  if(allData[i0+45][iHit]>1)  printf("i0 %d iHit %d data %d fTime0vertex %f timefull %f \n",i0, iHit, allData[i0+45][iHit], fTime0vertex[i0], timefull);
 642             frecpoints.SetTimeFull(i0, iHit, timefull) ;
 643           }
 644         }
 645
 646
 647       //Set MPD
 648       Float_t mpda_start=0, mpdc_start=0;
 649       for (Int_t iHit=0; iHit<5; iHit++)
 650         {
 651           if (allData[54][iHit] > fTime0vertex[0]+2000 &&
 652               allData[54][iHit] <fTime0vertex[0]+3000 ) {
 653             mpda_start=Float_t(allData[54][iHit]);
 654             AliDebug(15,Form("Reconstruct :::  T0 MPD iHit %i MPDA start %f",iHit, mpda_start ));
 655
 656             break;
 657           }
 658         }
 659       for (Int_t iHit=0; iHit<5; iHit++)
 660         {
 661           if(allData[53][iHit] > fTime0vertex[0]+3000 &&
 662              (allData[53][iHit]-mpda_start)>800 && mpda_start>0 && tr[1]) {
 663             frecpoints.SetMultA(Float_t(allData[53][iHit] - mpda_start) );
 664             AliDebug(15,Form("Reconstruct :::  T0 MPD iHit %i MPDA stop %i MPD %f",iHit, allData[53][iHit],Float_t(allData[53][iHit] - mpda_start) ));
 665             break;
 666           }
 667         }
 668       for (Int_t iHit=0; iHit<5; iHit++)
 669         {
 670           if (allData[106][iHit] > fTime0vertex[0]+2000 &&
 671               allData[106][iHit] <fTime0vertex[0]+3000 ) {
 672             mpdc_start=allData[54][iHit];
 673             AliDebug(15,Form("Reconstruct :::  T0 MPD iHit %i MPDC start %f ",iHit, mpdc_start));
 674             break;
 675           }
 676         }
 677       for (Int_t iHit=0; iHit<5; iHit++)
 678         {
 679           if(allData[105][iHit] > fTime0vertex[0]+3000 &&
 680              (allData[105][iHit]-mpdc_start)>800 && mpdc_start>0 && tr[2]) {
 681             frecpoints.SetMultC(Float_t(allData[105][iHit] - mpdc_start) );
 682             AliDebug(15,Form("Reconstruct :::  T0 MPD iHit %i MPDC stop %i MPD %f",iHit, allData[105][iHit],Float_t(allData[105][iHit] - mpdc_start) ));
 683             break;
 684           }
 685         }
 686     } // if (else )raw data
 687   recTree->Fill();
 688 }
 689
 690
 691 //____________________________________________________________
 692
 693   void AliT0Reconstructor::FillESD(TTree */*digitsTree*/, TTree *clustersTree, AliESDEvent *pESD) const
 694   {
 695
 696   /***************************************************
 697   Resonstruct digits to vertex position
 698   ****************************************************/
 699
 700   AliDebug(1,Form("Start FillESD T0"));
 701   if(!pESD) {
 702     AliError("No ESD Event");
 703     return;
 704   }
 705   pESD ->SetT0spread(fTimeSigmaShift);
 706
 707
 708   Float_t channelWidth = fParam->GetChannelWidth() ;
 709   Float_t c = 0.0299792458; // cm/ps
 710   Float_t currentVertex=0, shift=0;
 711   Int_t ncont=-1;
 712   const AliESDVertex* vertex = pESD->GetPrimaryVertex();
 713   if (!vertex)        vertex = pESD->GetPrimaryVertexSPD();
 714   if (!vertex)        vertex = pESD->GetPrimaryVertexTPC();
 715   if (!vertex)        vertex = pESD->GetVertex();
 716
 717   if (vertex) {
 718     AliDebug(2, Form("Got %s (%s) from ESD: %f",
 719                     vertex->GetName(), vertex->GetTitle(), vertex->GetZ()));
 720     currentVertex = vertex->GetZ();
 721
 722     ncont = vertex->GetNContributors();
 723     if(ncont>0 ) {
 724       shift = currentVertex/c;
 725     }
 726   }
 727   TTree *treeR = clustersTree;
 728
 729   AliT0RecPoint frecpoints;
 730   AliT0RecPoint * pfrecpoints = &frecpoints;
 731
 732   AliDebug(1,Form("Start FillESD T0"));
 733   TBranch *brRec = treeR->GetBranch("T0");
 734   if (brRec) {
 735     brRec->SetAddress(&pfrecpoints);
 736   }else{
 737     AliError(Form("EXEC Branch T0 rec not found"));
 738     return;
 739   }
 740
 741   brRec->GetEntry(0);
 742   Double32_t amp[24], time[24], ampQTC[24], timecorr[24];
 743   Double32_t* tcorr;
 744   for(Int_t i=0; i<24; i++)
 745     amp[i]=time[i]=ampQTC[i]=timecorr[i]=0;
 746
 747   //1st time
 748   Double32_t timeClock[3];
 749   Double32_t zPosition = frecpoints.GetVertex();
 750
 751   timeClock[0] = frecpoints.GetT0clock() ;
 752   timeClock[1] = frecpoints.Get1stTimeA() + shift;
 753   timeClock[2] = frecpoints.Get1stTimeC() - shift;
 754   //best time
 755   Double32_t timemean[3];
 756   timemean[0] = frecpoints.GetMeanTime();
 757   timemean[1] = frecpoints.GetBestTimeA() + shift;
 758   timemean[2] = frecpoints.GetBestTimeC() - shift;
 759
 760   for(Int_t i=0; i<3; i++) {
 761     fESDTZERO->SetT0TOF(i,timeClock[i]);   // interaction time (ns)
 762     fESDTZERO->SetT0TOFbest(i,timemean[i]);   // interaction time (ns)
 763   }
 764   for ( Int_t i=0; i<24; i++) {
 765     time[i] =  frecpoints.GetTime(i); // ps to ns
 766     if ( time[i] != 0 && time[i]>-9999) {
 767       ampQTC[i] = frecpoints.GetAmp(i);
 768       amp[i] = frecpoints.AmpLED(i);
 769       AliDebug(1,Form("T0: %i  time %f  ampQTC %f ampLED %f \n", i, time[i], ampQTC[i], amp[i]));
 770    }
 771   }
 772   fESDTZERO->SetT0time(time);         // best TOF on each PMT
 773   fESDTZERO->SetT0amplitude(ampQTC);     // number of particles(MIPs) on each PMT
 774   Int_t trig= frecpoints.GetT0Trig();
 775   frecpoints.PrintTriggerSignals( trig);
 776   //  printf(" !!!!! FillESD trigger %i \n",trig);
 777   fESDTZERO->SetT0Trig(trig);
 778   fESDTZERO->SetT0zVertex(zPosition); //vertex Z position
 779
 780   Double32_t multA=frecpoints.GetMultA();
 781   Double32_t multC=frecpoints.GetMultC();
 782   fESDTZERO->SetMultA(multA); // for backward compatubility
 783   fESDTZERO->SetMultC(multC); // for backward compatubility
 784
 785
 786   for (Int_t iHit =0; iHit<5; iHit++ ) {
 787        AliDebug(10,Form("FillESD ::: iHit %i tvdc %f orA %f orC %f\n", iHit,
 788            frecpoints.GetTVDC(iHit),
 789            frecpoints.GetOrA(iHit),
 790                        frecpoints.GetOrC(iHit) ));
 791     fESDTZERO->SetTVDC(iHit,frecpoints.GetTVDC(iHit));
 792     fESDTZERO->SetOrA(iHit,frecpoints.GetOrA(iHit));
 793     fESDTZERO->SetOrC(iHit,frecpoints.GetOrC(iHit));
 794
 795     for (Int_t i0=0; i0<24; i0++) {
 796       //  if(frecpoints.GetTimeFull(i0,iHit)>0){
 797       //        printf("FillESD ::: iHit %i cfd %i time %f \n", iHit, i0, frecpoints.GetTimeFull(i0,iHit));
 798         fESDTZERO->SetTimeFull(i0, iHit,frecpoints.GetTimeFull(i0,iHit));
 799         // }
 800
 801     }
 802   }
 803
 804   AliDebug(1,Form("T0: SPDshift %f Vertex %f (T0A+T0C)/2 best %f #ps T0signal %f ps OrA %f ps OrC %f ps T0trig %i\n",shift, zPosition, timemean[0], timeClock[0], timeClock[1], timeClock[2], trig));
 805
 806   //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 807   // background flags
 808   Bool_t background = BackgroundFlag();
 809   fESDTZERO->SetBackgroundFlag(background);
 810   Bool_t pileup =  PileupFlag();
 811   fESDTZERO->SetPileupFlag(pileup);
 812   for (Int_t i=0; i<5; i++) {
 813     fESDTZERO->SetPileupTime(i, frecpoints.GetTVDC(i) ) ;
 814     //   printf("!!!!!! FillESD :: pileup %i %f %f \n", i,fESDTZERO->GetPileupTime(i), frecpoints.GetTVDC(i));
 815   }
 816   Bool_t sat  = SatelliteFlag();
 817   fESDTZERO->SetSatelliteFlag(sat);
 818
 819   //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 820   if (pESD) {
 821
 822     AliESDfriend *fr = (AliESDfriend*)pESD->FindListObject("AliESDfriend");
 823     if (fr) {
 824       AliDebug(10, Form("Writing TZERO friend data to ESD tree"));
 825
 826       //     if (ncont>2) {
 827         tcorr = fESDTZEROfriend->GetT0timeCorr();
 828         for ( Int_t i=0; i<24; i++) {
 829           if(i<12 && time[i]>1) timecorr[i] = tcorr[i] -  shift/channelWidth;
 830           if(i>11 && time[i]>1) timecorr[i] = tcorr[i] +  shift/channelWidth;
 831           if(time[i]>1)   AliDebug(10,Form("T0 friend : %i time %f  ampQTC %f ampLED %f \n", i, timecorr[i], ampQTC[i], amp[i]));
 832         }
 833         fESDTZEROfriend->SetT0timeCorr( timecorr) ;
 834         fESDTZEROfriend->SetT0ampLEDminCFD(amp);
 835         fESDTZEROfriend->SetT0ampQTC(ampQTC);
 836         fr->SetTZEROfriend(fESDTZEROfriend);
 837         //      }//
 838     }
 839
 840     pESD->SetTZEROData(fESDTZERO);
 841   }
 842
 843 } // vertex in 3 sigma
 844
 845 //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 846  //____________________________________________________________
 847
 848 Bool_t AliT0Reconstructor::PileupFlag() const
 849 {
 850   //
 851   Bool_t pileup = false;
 852   Float_t tvdc[5];
 853   for (Int_t ih=0; ih<5; ih++)
 854     {
 855       tvdc[ih] =  fESDTZERO->GetTVDC(ih);
 856
 857      if(  tvdc[0] !=0 &&  tvdc[0]> -10 && tvdc[0]< 10 )
 858        if(ih>0 && tvdc[ih]>20 )         pileup = true;
 859      if( tvdc[0] >20 || (tvdc[0] < -20  &&  tvdc[0] > -9000) ) pileup =true;
 860      //    if (pileup) printf(" !!!!! pile up %i  tvdc %f \n",ih,  tvdc[ih]);
 861     }
 862
 863
 864   return pileup;
 865
 866 }
 867
 868  //____________________________________________________________
 869
 870 Bool_t AliT0Reconstructor::BackgroundFlag() const
 871 {
 872
 873   Bool_t background = false;
 874   /*
 875       Float_t orA = fESDTZERO->GetOrA(0);
 876       Float_t orC = fESDTZERO->GetOrC(0);
 877       Float_t tvdc =  fESDTZERO->GetTVDC(ih);
 878
 879       if ( (orA > -5 && orA <5) && (orC > -5 && orC <5) && (tvdc < -5 || tvdc > 5)) {
 880       background = true;
 881       //   printf(" orA %f orC %f tvdc %f\n", orA, orC, tvdc);
 882       }
 883   */
 884   return background;
 885
 886
 887 }
 888
 889
 890  //____________________________________________________________
 891
 892 Bool_t  AliT0Reconstructor::SatelliteFlag() const
 893 {
 894
 895  Float_t satelliteLow = GetRecoParam() -> GetLowSatelliteThreshold();
 896   Float_t satelliteHigh = GetRecoParam() -> GetHighSatelliteThreshold();
 897   Bool_t satellite = false;
 898   for (Int_t i0=0; i0<24; i0++) {
 899     Float_t timefull =  fESDTZERO -> GetTimeFull(i0,0);
 900     if( timefull > satelliteLow && timefull < satelliteHigh)  satellite=true;
 901   }
 902
 903   return satellite;
 904
 905 }