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 "AliESDTZEROfriend.h"
  35 #include "AliLog.h"
  36 #include "AliCDBEntry.h"
  37 #include "AliCDBManager.h"
  38 #include "AliCTPTimeParams.h"
  39 #include "AliLHCClockPhase.h"
  40 #include "AliT0CalibSeasonTimeShift.h"
  41 #include "AliESDRun.h"
  42
  43 #include <TArrayI.h>
  44 #include <TGraph.h>
  45 #include <TMath.h>
  46 #include <Riostream.h>
  47
  48 ClassImp(AliT0Reconstructor)
  49
  50   AliT0Reconstructor:: AliT0Reconstructor(): AliReconstructor(),
  51                                              fdZonA(0),
  52                                              fdZonC(0),
  53                                              fZposition(0),
  54                                              fParam(NULL),
  55                                              fAmpLEDrec(),
  56                                              fQTC(0),
  57                                              fAmpLED(0),
  58                                              fCalib(),
  59                                              fLatencyHPTDC(9000),
  60                                              fLatencyL1(0),
  61                                              fLatencyL1A(0),
  62                                              fLatencyL1C(0),
  63                                              fGRPdelays(0),
  64                                              fTimeMeanShift(0x0),
  65                                              fTimeSigmaShift(0x0),
  66                                              fESDTZEROfriend(NULL)
  67
  68 {
  69
  70
  71   //constructor
  72   AliCDBEntry *entry = AliCDBManager::Instance()->Get("GRP/CTP/CTPtiming");
  73   if (!entry) AliFatal("CTP timing parameters are not found in OCDB !");
  74   AliCTPTimeParams *ctpParams = (AliCTPTimeParams*)entry->GetObject();
  75   Float_t l1Delay = (Float_t)ctpParams->GetDelayL1L0()*25.0;
  76
  77   AliCDBEntry *entry1 = AliCDBManager::Instance()->Get("GRP/CTP/TimeAlign");
  78   if (!entry1) AliFatal("CTP time-alignment is not found in OCDB !");
  79   AliCTPTimeParams *ctpTimeAlign = (AliCTPTimeParams*)entry1->GetObject();
  80   l1Delay += ((Float_t)ctpTimeAlign->GetDelayL1L0()*25.0);
  81
  82   AliCDBEntry *entry4 = AliCDBManager::Instance()->Get("GRP/Calib/LHCClockPhase");
  83   if (!entry4) AliFatal("LHC clock-phase shift is not found in OCDB !");
  84   AliLHCClockPhase *phase = (AliLHCClockPhase*)entry4->GetObject();
  85
  86   fGRPdelays = l1Delay - phase->GetMeanPhase();
  87
  88   AliCDBEntry *entry5 = AliCDBManager::Instance()->Get("T0/Calib/TimeAdjust");
  89   if (entry5) {
  90     AliT0CalibSeasonTimeShift *timeshift = (AliT0CalibSeasonTimeShift*)entry5->GetObject();
  91     fTimeMeanShift = timeshift->GetT0Means();
  92     fTimeSigmaShift  = timeshift->GetT0Sigmas();
  93    }
  94   else
  95     AliWarning("Time Adjust is not found in OCDB !");
  96
  97   fParam = AliT0Parameters::Instance();
  98   fParam->Init();
  99
 100   for (Int_t i=0; i<24; i++){
 101         TGraph* gr = fParam ->GetAmpLEDRec(i);
 102         if (gr) fAmpLEDrec.AddAtAndExpand(gr,i) ;
 103           TGraph* gr1 = fParam ->GetAmpLED(i);
 104           if (gr1) fAmpLED.AddAtAndExpand(gr1,i) ;
 105           TGraph* gr2 = fParam ->GetQTC(i);
 106           if (gr2) fQTC.AddAtAndExpand(gr2,i) ;
 107   }
 108
 109   fLatencyL1 = fParam->GetLatencyL1();
 110   fLatencyL1A = fParam->GetLatencyL1A();
 111   fLatencyL1C = fParam->GetLatencyL1C();
 112   fLatencyHPTDC = fParam->GetLatencyHPTDC();
 113   AliDebug(2,Form(" LatencyL1 %f latencyL1A %f latencyL1C %f latencyHPTDC %f \n",fLatencyL1, fLatencyL1A, fLatencyL1C, fLatencyHPTDC));
 114
 115   // fdZonC = TMath::Abs(fParam->GetZPositionShift("T0/C/PMT1"));
 116   //fdZonA = TMath::Abs(fParam->GetZPositionShift("T0/A/PMT15"));
 117   //here real Z position
 118   fdZonC = TMath::Abs(fParam->GetZPosition("T0/C/PMT1"));
 119   fdZonA = TMath::Abs(fParam->GetZPosition("T0/A/PMT15"));
 120
 121   fCalib = new AliT0Calibrator();
 122   fESDTZEROfriend = new AliESDTZEROfriend();
 123
 124 }
 125
 126 //_____________________________________________________________________________
 127 void AliT0Reconstructor::Reconstruct(TTree*digitsTree, TTree*clustersTree) const
 128 {
 129   // T0 digits reconstruction
 130   Int_t refAmp = Int_t (GetRecoParam()->GetRefAmp());
 131
 132   TArrayI * timeCFD = new TArrayI(24);
 133   TArrayI * timeLED = new TArrayI(24);
 134   TArrayI * chargeQT0 = new TArrayI(24);
 135   TArrayI * chargeQT1 = new TArrayI(24);
 136
 137
 138   Float_t channelWidth = fParam->GetChannelWidth() ;
 139   Float_t meanVertex = fParam->GetMeanVertex();
 140   Float_t c = 0.0299792; // cm/ps
 141   Double32_t vertex = 9999999;
 142   Double32_t timeDiff=999999, meanTime=999999, timeclock=999999;
 143
 144
 145   AliDebug(1,Form("Start DIGITS reconstruction "));
 146
 147   Float_t lowAmpThreshold =  GetRecoParam()->GetLow(200);
 148   Float_t highAmpThreshold =  GetRecoParam()->GetHigh(200);
 149   Int_t badpmt = GetRecoParam()->GetRefPoint();
 150
 151   TBranch *brDigits=digitsTree->GetBranch("T0");
 152   AliT0digit *fDigits = new AliT0digit() ;
 153   if (brDigits) {
 154     brDigits->SetAddress(&fDigits);
 155   }else{
 156     AliError(Form("EXEC Branch T0 digits not found"));
 157      return;
 158   }
 159
 160   digitsTree->GetEvent(0);
 161   digitsTree->GetEntry(0);
 162   brDigits->GetEntry(0);
 163   fDigits->GetTimeCFD(*timeCFD);
 164   fDigits->GetTimeLED(*timeLED);
 165   fDigits->GetQT0(*chargeQT0);
 166   fDigits->GetQT1(*chargeQT1);
 167   Int_t onlineMean =  fDigits->MeanTime();
 168
 169   Bool_t tr[5];
 170   for (Int_t i=0; i<5; i++) tr[i]=false;
 171
 172   Double32_t besttimeA=999999;
 173   Double32_t besttimeC=999999;
 174   Int_t pmtBestA=99999;
 175   Int_t pmtBestC=99999;
 176
 177   AliT0RecPoint* frecpoints= new AliT0RecPoint ();
 178   clustersTree->Branch( "T0", "AliT0RecPoint" ,&frecpoints);
 179
 180   Float_t time[24], adc[24], adcmip[24];
 181   for (Int_t ipmt=0; ipmt<24; ipmt++) {
 182     if(timeCFD->At(ipmt)>0 && ipmt != badpmt) {
 183      if(( chargeQT1->At(ipmt) - chargeQT0->At(ipmt))>0)
 184         adc[ipmt] = chargeQT1->At(ipmt) - chargeQT0->At(ipmt);
 185       else
 186         adc[ipmt] = 0;
 187
 188      time[ipmt] = fCalib-> WalkCorrection(refAmp, ipmt, Int_t(adc[ipmt]),  timeCFD->At(ipmt)) ;
 189
 190       Double_t sl = Double_t(timeLED->At(ipmt) - timeCFD->At(ipmt));
 191       //    time[ipmt] = fCalib-> WalkCorrection( refAmp,ipmt, Int_t(sl),  timeCFD->At(ipmt) ) ;
 192       AliDebug(5,Form(" ipmt %i QTC %i , time in chann %i (led-cfd) %i ",
 193                        ipmt, Int_t(adc[ipmt]) ,Int_t(time[ipmt]),Int_t( sl)));
 194
 195       Double_t ampMip =((TGraph*)fAmpLED.At(ipmt))->Eval(sl);
 196       Double_t qtMip = ((TGraph*)fQTC.At(ipmt))->Eval(adc[ipmt]);
 197       AliDebug(5,Form("  Amlitude in MIPS LED %f ,  QTC %f in channels %f\n ",ampMip,qtMip, adc[ipmt]));
 198
 199       frecpoints->SetTime(ipmt, Float_t(time[ipmt]) );
 200       frecpoints->SetAmpLED(ipmt, Float_t( ampMip)); //for cosmic &pp beam
 201       frecpoints->SetAmp(ipmt, Float_t(qtMip));
 202       adcmip[ipmt]=qtMip;
 203
 204     }
 205     else {
 206       time[ipmt] = 0;
 207       adc[ipmt] = 0;
 208     }
 209   }
 210
 211   for (Int_t ipmt=0; ipmt<12; ipmt++){
 212     if(time[ipmt] > 1 && ipmt != badpmt && adcmip[ipmt]>lowAmpThreshold && adcmip[ipmt]<highAmpThreshold) {
 213       if(time[ipmt]<besttimeC){
 214         besttimeC=time[ipmt]; //timeC
 215         pmtBestC=ipmt;
 216       }
 217     }
 218   }
 219   for ( Int_t ipmt=12; ipmt<24; ipmt++){
 220     if(time[ipmt] > 1 &&  ipmt != badpmt && adcmip[ipmt]>lowAmpThreshold && adcmip[ipmt]<highAmpThreshold) {
 221       if(time[ipmt]<besttimeA) {
 222         besttimeA=time[ipmt]; //timeA
 223         pmtBestA=ipmt;}
 224     }
 225   }
 226   if(besttimeA < 999999) {
 227     frecpoints->SetTimeBestA(Int_t(besttimeA *channelWidth - fdZonA/c));
 228     tr[1]=true;
 229   }
 230   if( besttimeC < 999999 ) {
 231     frecpoints->SetTimeBestC(Int_t(besttimeC *channelWidth - fdZonA/c));
 232     tr[2]=true;
 233   }
 234   AliDebug(5,Form(" besttimeA %f ch,  besttimeC %f ch",besttimeA, besttimeC));
 235   if(besttimeA <999999 && besttimeC < 999999 ){
 236     //    timeDiff = (besttimeC - besttimeA)*channelWidth;
 237     timeDiff = (besttimeA - besttimeC)*channelWidth;
 238     meanTime = (besttimeA + besttimeC)/2;// * channelWidth);
 239     timeclock = meanTime *channelWidth -fdZonA/c ;
 240     vertex = meanVertex - c*(timeDiff)/2.;// + (fdZonA - fdZonC)/2;
 241     tr[0]=true;
 242   }
 243   frecpoints->SetVertex(vertex);
 244   frecpoints->SetMeanTime(meanTime);
 245   frecpoints->SetT0clock(timeclock);
 246   frecpoints->SetT0Trig(tr);
 247
 248   AliDebug(5,Form("T0 triggers %d %d %d %d %d",tr[0],tr[1],tr[2],tr[3],tr[4]));
 249
 250   //online mean
 251   frecpoints->SetOnlineMean(Int_t(onlineMean));
 252   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));
 253
 254
 255
 256
 257
 258   clustersTree->Fill();
 259
 260   delete timeCFD;
 261   delete timeLED;
 262   delete chargeQT0;
 263   delete chargeQT1;
 264 }
 265
 266
 267 //_______________________________________________________________________
 268
 269 void AliT0Reconstructor::Reconstruct(AliRawReader* rawReader, TTree*recTree) const
 270 {
 271   // T0 raw ->
 272   //
 273   // reference amplitude and time ref. point from reco param
 274
 275   Float_t refAmp = GetRecoParam()->GetRefAmp();
 276
 277   //  Int_t refPoint = 0;
 278
 279   //Bad channel
 280   Int_t badpmt = GetRecoParam()->GetRefPoint();
 281
 282   Int_t low[500], high[500];
 283
 284   Int_t allData[110][5];
 285
 286   Int_t timeCFD[24], timeLED[24], chargeQT0[24], chargeQT1[24];
 287   Double32_t timeDiff=999999, meanTime=999999, timeclock=9999999;
 288   Float_t c = 29.9792458; // cm/ns
 289   Double32_t vertex = 9999999;
 290   Int_t onlineMean=0;
 291   // Float_t meanVertex = fParam->GetMeanVertex();
 292   Float_t meanVertex = 0;
 293   for (Int_t i0=0; i0<110; i0++)
 294     {
 295       for (Int_t j0=0; j0<5; j0++) allData[i0][j0]=0;
 296       low[i0] = Int_t (GetRecoParam()->GetLow(i0));
 297       high[i0] = Int_t (GetRecoParam()->GetHigh(i0));
 298       }
 299   Float_t lowAmpThreshold =  GetRecoParam()->GetLow(200);
 300   Float_t highAmpThreshold =  GetRecoParam()->GetHigh(200);
 301   printf(" lowAmpThreshold %f  highAmpThreshold %f \n",lowAmpThreshold, highAmpThreshold);
 302
 303   Double32_t besttimeA=9999999;
 304   Double32_t besttimeC=9999999;
 305   Int_t pmtBestA=99999;
 306   Int_t pmtBestC=99999;
 307
 308   AliT0RecPoint* frecpoints= new AliT0RecPoint ();
 309
 310   recTree->Branch( "T0", "AliT0RecPoint" ,&frecpoints);
 311
 312   AliDebug(10," before read data ");
 313   AliT0RawReader myrawreader(rawReader);
 314
 315   UInt_t type =rawReader->GetType();
 316
 317   if (!myrawreader.Next())
 318     AliDebug(1,Form(" no raw data found!!"));
 319   else
 320     {
 321    for (Int_t i=0; i<24; i++)
 322     {
 323       timeCFD[i]=0; timeLED[i]=0; chargeQT0[i]=0; chargeQT1[i]=0;
 324     }
 325      Int_t fBCID=Int_t (rawReader->GetBCID());
 326       Int_t trmbunch= myrawreader.GetTRMBunchID();
 327       AliDebug(10,Form(" CDH BC ID %i, TRM BC ID %i \n", fBCID, trmbunch ));
 328
 329       if(type == 7  ) {  //only physics
 330         for (Int_t i=0; i<107; i++) {
 331         for (Int_t iHit=0; iHit<5; iHit++)
 332           {
 333             allData[i][iHit] = myrawreader.GetData(i,iHit);
 334           }
 335         }
 336         Int_t ref=0;
 337
 338         //      if (refPoint>0)
 339         //  ref = allData[refPoint][0]-5000;
 340
 341
 342         Float_t channelWidth = fParam->GetChannelWidth() ;
 343
 344         //       Int_t meanT0 = fParam->GetMeanT0();
 345
 346         for (Int_t in=0; in<12; in++)
 347           {
 348             for (Int_t iHit=0; iHit<5; iHit++)
 349               {
 350                 if(allData[in+1][iHit] > low[in+1] &&
 351                    allData[in+1][iHit] < high[in+1])
 352                   {
 353                     timeCFD[in] = allData[in+1][iHit] ;
 354                     break;
 355                   }
 356               }
 357             for (Int_t iHit=0; iHit<5; iHit++)
 358               {
 359                 if(allData[in+12+1][iHit] > low[in+12+1] &&
 360                    allData[in+1+12][iHit] < high[in+12+1])
 361                   {
 362                         timeLED[in] = allData[in+12+1][iHit] ;
 363                         break;
 364                   }
 365               }
 366             for (Int_t iHit=0; iHit<5; iHit++)
 367               {
 368                 if(allData[in+1+56][iHit] > low[in+1+56] &&
 369                    allData[in+1+56][iHit] < high[in+1+56])
 370                   {
 371                     timeCFD[in+12] = allData[in+56+1][iHit] ;
 372                     break;
 373                   }
 374               }
 375
 376             for (Int_t iHit=0; iHit<5; iHit++)
 377               {
 378                 if(allData[in+1+68][iHit] > low[in+1+68] &&
 379                    allData[in+1+68][iHit] < high[in+1+68])
 380                   {
 381
 382                     timeLED[in+12] = allData[in+68+1][iHit] ;
 383                     break;
 384                   }
 385               }
 386             AliDebug(5, Form(" readed i %i cfdC %i cfdA %i ledC %i ledA%i ",
 387                               in, timeCFD[in],timeCFD[in+12],timeLED[in],
 388                               timeLED[in+12]));
 389
 390           }
 391
 392
 393         for (Int_t in=0; in<12;  in++)
 394           {
 395             chargeQT0[in]=allData[2*in+25][0];
 396             chargeQT1[in]=allData[2*in+26][0];
 397             AliDebug(10, Form(" readed Raw %i %i %i",
 398                               in, chargeQT0[in],chargeQT1[in]));
 399           }
 400         for (Int_t in=12; in<24;  in++)
 401           {
 402             chargeQT0[in]=allData[2*in+57][0];
 403             chargeQT1[in]=allData[2*in+58][0];
 404             AliDebug(10, Form(" readed Raw %i %i %i",
 405                               in, chargeQT0[in],chargeQT1[in]));
 406
 407           }
 408
 409         for (Int_t iHit=0; iHit<5; iHit++)
 410           {
 411               if(allData[49][iHit] > low[49] &&
 412                  allData[49][iHit] < high[49]){
 413                 onlineMean = allData[49][iHit];
 414                 break;
 415               }
 416           }
 417         Double32_t time[24], adc[24], adcmip[24], noncalibtime[24];
 418         for (Int_t ipmt=0; ipmt<24; ipmt++) {
 419           if(timeCFD[ipmt]>0 && ipmt != badpmt ){
 420            //for simulated data
 421              //for physics  data
 422            if(( chargeQT0[ipmt] - chargeQT1[ipmt])>0)  {
 423              adc[ipmt] = chargeQT0[ipmt] - chargeQT1[ipmt];
 424            }
 425            else
 426              adc[ipmt] = 0;
 427            time[ipmt] = fCalib-> WalkCorrection(Int_t (refAmp), ipmt, Int_t(adc[ipmt]), timeCFD[ipmt] ) ;
 428
 429            Double_t sl = timeLED[ipmt] - timeCFD[ipmt];
 430            // time[ipmt] = fCalib-> WalkCorrection( refAmp,ipmt, Int_t(sl), timeCFD[ipmt] ) ;
 431            AliDebug(5,Form(" ipmt %i QTC %i , time in chann %i (led-cfd) %i ",
 432                             ipmt, Int_t(adc[ipmt]) ,Int_t(time[ipmt]),Int_t( sl)));
 433            Double_t ampMip =( (TGraph*)fAmpLED.At(ipmt))->Eval(sl);
 434            Double_t qtMip = ((TGraph*)fQTC.At(ipmt))->Eval(adc[ipmt]);
 435            AliDebug(10,Form("  Amlitude in MIPS LED %f ; QTC %f;  in channels %f\n ",ampMip,qtMip, adc[ipmt]));
 436            //bad peak removing
 437              frecpoints->SetTime(ipmt, Float_t(time[ipmt]) );
 438              // frecpoints->SetTime(ipmt,Double32_t(timeCFD[ipmt]));
 439              frecpoints->SetAmp(ipmt, Double32_t( qtMip));
 440              adcmip[ipmt]=qtMip;
 441              frecpoints->SetAmpLED(ipmt, Double32_t(ampMip));
 442              noncalibtime[ipmt]= Double32_t (timeCFD[ipmt]);
 443          }
 444          else {
 445            time[ipmt] = 0;
 446            adc[ipmt] = 0;
 447            noncalibtime[ipmt] = 0;
 448          }
 449        }
 450        fESDTZEROfriend->SetT0timeCorr(noncalibtime) ;
 451        for (Int_t ipmt=0; ipmt<12; ipmt++){
 452          if(time[ipmt] > 1 && ipmt != badpmt &&  adcmip[ipmt]>lowAmpThreshold && adcmip[ipmt]<highAmpThreshold )
 453            {
 454              if(time[ipmt]<besttimeC){
 455                   besttimeC=time[ipmt]; //timeC
 456                   pmtBestC=ipmt;
 457              }
 458            }
 459        }
 460        for ( Int_t ipmt=12; ipmt<24; ipmt++)
 461          {
 462            if(time[ipmt] > 1 && ipmt != badpmt && adcmip[ipmt]>lowAmpThreshold && adcmip[ipmt]<highAmpThreshold)
 463              {
 464                if(time[ipmt]<besttimeA) {
 465                  besttimeA=time[ipmt]; //timeA
 466                  pmtBestA=ipmt;
 467                }
 468              }
 469          }
 470        if(besttimeA < 999999)
 471          frecpoints->SetTimeBestA(besttimeA * channelWidth - 1000.*fLatencyHPTDC + 1000.*fLatencyL1A - 1000.*fGRPdelays - fTimeMeanShift[1]);
 472
 473        if( besttimeC < 999999 )
 474          frecpoints->SetTimeBestC(besttimeC * channelWidth - 1000.*fLatencyHPTDC +1000.*fLatencyL1C - 1000.*fGRPdelays - fTimeMeanShift[2]);
 475        AliDebug(5,Form(" pmtA %i besttimeA %f shift A %f ps, pmtC %i besttimeC %f shiftC %f ps",
 476                        pmtBestA,besttimeA, fTimeMeanShift[1],
 477
 478                        pmtBestC,  besttimeC,fTimeMeanShift[2]));
 479         if(besttimeA <999999 && besttimeC < 999999 ){
 480          timeDiff = ( besttimeA - besttimeC)* 0.001* channelWidth + fLatencyL1A - fLatencyL1C;
 481          timeclock = channelWidth * Float_t( besttimeA+besttimeC)/2. - 1000.*fLatencyHPTDC + 1000.*fLatencyL1 - 1000.*fGRPdelays - fTimeMeanShift[0];
 482          meanTime = (besttimeA+besttimeC-2.*Float_t(ref))/2.;
 483          vertex =  meanVertex - c*(timeDiff)/2. ; //+ (fdZonA - fdZonC)/2;
 484         }
 485       }  //if phys event
 486       AliDebug(10,Form("  timeDiff %f #channel,  meanTime %f #channel, TOFmean%f  vertex %f cm meanVertex %f online mean %i \n",timeDiff, meanTime,timeclock, vertex,meanVertex, onlineMean));
 487       frecpoints->SetT0clock(timeclock);
 488       frecpoints->SetVertex(vertex);
 489       frecpoints->SetMeanTime(meanTime);
 490       frecpoints->SetOnlineMean(Int_t(onlineMean));
 491         // Set triggers
 492
 493       Bool_t tr[5];
 494       Int_t trchan[5]= {50,51,52,55,56};
 495       for (Int_t i=0; i<5; i++) tr[i]=false;
 496       for (Int_t itr=0; itr<5; itr++) {
 497         for (Int_t iHit=0; iHit<5; iHit++)
 498           {
 499             Int_t trr=trchan[itr];
 500             if( allData[trr][iHit] > 0) tr[itr]=true;
 501           }
 502       }
 503       frecpoints->SetT0Trig(tr);
 504
 505       //Set MPD
 506       if(allData[53][0]>0 && allData[54][0])
 507         frecpoints->SetMultA(allData[53][0]-allData[54][0]);
 508         if(allData[105][0]>0 && allData[106][0])
 509           frecpoints->SetMultC(allData[105][0]-allData[106][0]);
 510
 511
 512     } // if (else )raw data
 513   recTree->Fill();
 514   if(frecpoints) delete frecpoints;
 515 }
 516
 517
 518   //____________________________________________________________
 519
 520   void AliT0Reconstructor::FillESD(TTree */*digitsTree*/, TTree *clustersTree, AliESDEvent *pESD) const
 521   {
 522
 523   /***************************************************
 524   Resonstruct digits to vertex position
 525   ****************************************************/
 526
 527   AliDebug(1,Form("Start FillESD T0"));
 528   pESD ->SetT0spread(fTimeSigmaShift);
 529
 530
 531   Float_t channelWidth = fParam->GetChannelWidth() ;
 532   Float_t c = 0.0299792458; // cm/ps
 533   Float_t currentVertex=0, shift=0;
 534   Int_t ncont=-1;
 535   const AliESDVertex* vertex = pESD->GetPrimaryVertex();
 536   if (!vertex)        vertex = pESD->GetPrimaryVertexSPD();
 537   if (!vertex)        vertex = pESD->GetPrimaryVertexTPC();
 538   if (!vertex)        vertex = pESD->GetVertex();
 539
 540   if (vertex) {
 541     AliDebug(2, Form("Got %s (%s) from ESD: %f",
 542                     vertex->GetName(), vertex->GetTitle(), vertex->GetZ()));
 543     currentVertex = vertex->GetZ();
 544
 545     ncont = vertex->GetNContributors();
 546     //  cout<<"@@ spdver "<<spdver<<" ncont "<<ncont<<endl;
 547     if(ncont>0 ) {
 548       shift = currentVertex/c;
 549     }
 550   }
 551   TTree *treeR = clustersTree;
 552
 553   AliT0RecPoint* frecpoints= new AliT0RecPoint ();
 554   if (!frecpoints) {
 555     AliError("Reconstruct Fill ESD >> no recpoints found");
 556     return;
 557   }
 558
 559   AliDebug(1,Form("Start FillESD T0"));
 560   TBranch *brRec = treeR->GetBranch("T0");
 561   if (brRec) {
 562     brRec->SetAddress(&frecpoints);
 563   }else{
 564     AliError(Form("EXEC Branch T0 rec not found"));
 565     return;
 566   }
 567
 568   brRec->GetEntry(0);
 569   Double32_t amp[24], time[24], ampQTC[24], timecorr[24];
 570   Double32_t* tcorr;
 571   for(Int_t i=0; i<24; i++)
 572     amp[i]=time[i]=ampQTC[i]=timecorr[i]=0;
 573
 574
 575   Double32_t timeClock[3];
 576   Double32_t zPosition = frecpoints -> GetVertex();
 577   Double32_t timeStart = frecpoints -> GetMeanTime();
 578   timeClock[0] = frecpoints -> GetT0clock() ;
 579   timeClock[1] = frecpoints -> GetBestTimeA() + shift;
 580   timeClock[2] = frecpoints -> GetBestTimeC() - shift;
 581   for ( Int_t i=0; i<24; i++) {
 582     time[i] =  frecpoints -> GetTime(i); // ps to ns
 583     if ( time[i] >1) {
 584       ampQTC[i] = frecpoints -> GetAmp(i);
 585       amp[i] = frecpoints -> AmpLED(i);
 586       AliDebug(1,Form("T0: time %f  ampQTC %f ampLED %f \n", time[i], ampQTC[i], amp[i]));
 587    }
 588   }
 589   Int_t trig= frecpoints ->GetT0Trig();
 590   pESD->SetT0Trig(trig);
 591
 592   pESD->SetT0zVertex(zPosition); //vertex Z position
 593
 594   Double32_t multA=frecpoints ->GetMultA();
 595   Double32_t multC=frecpoints ->GetMultC();
 596   //  pESD->SetT0MultC(multC);        // multiplicity Cside
 597   //  pESD->SetT0MultA(multA);        // multiplicity Aside
 598   pESD->SetT0(multA); // for backward compatubility
 599   pESD->SetT0clock(multC); // for backward compatubility
 600
 601   for(Int_t i=0; i<3; i++)
 602     pESD->SetT0TOF(i,timeClock[i]);   // interaction time (ns)
 603   pESD->SetT0time(time);         // best TOF on each PMT
 604   pESD->SetT0amplitude(ampQTC);     // number of particles(MIPs) on each PMT
 605
 606   AliDebug(1,Form("T0: Vertex %f (T0A+T0C)/2 %f #channels T0signal %f ns OrA %f ns OrC %f T0trig %i\n",zPosition, timeStart, timeClock[0], timeClock[1], timeClock[2], trig));
 607
 608   if (pESD) {
 609
 610     AliESDfriend *fr = (AliESDfriend*)pESD->FindListObject("AliESDfriend");
 611     if (fr) {
 612       AliDebug(1, Form("Writing TZERO friend data to ESD tree"));
 613
 614       //     if (ncont>2) {
 615         tcorr = fESDTZEROfriend->GetT0timeCorr();
 616         for ( Int_t i=0; i<24; i++) {
 617           if(i<12 && time[i]>1) timecorr[i] = tcorr[i] -  shift/channelWidth;
 618           if(i>11 && time[i]>1) timecorr[i] = tcorr[i] +  shift/channelWidth;
 619           if(time[i]>1)   AliDebug(10,Form("T0 friend : time %f  ampQTC %f ampLED %f \n", timecorr[i], ampQTC[i], amp[i]));
 620         }
 621         fESDTZEROfriend->SetT0timeCorr( timecorr) ;
 622         fESDTZEROfriend->SetT0ampLEDminCFD(amp);
 623         fESDTZEROfriend->SetT0ampQTC(ampQTC);
 624         fr->SetTZEROfriend(fESDTZEROfriend);
 625         //      }//
 626     }
 627   }
 628
 629
 630
 631 } // vertex in 3 sigma
 632
 633
 634
 635
 636
 637