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   for (Int_t i=0; i<24; i++)  fTime0vertex[i] =0;
  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           fTime0vertex[i] = fParam->GetCFD(i);
 108           printf("OCDB mean CFD time %i %f \n",i, fTime0vertex[i]);
 109  }
 110   fLatencyL1 = fParam->GetLatencyL1();
 111   fLatencyL1A = fParam->GetLatencyL1A();
 112   fLatencyL1C = fParam->GetLatencyL1C();
 113   fLatencyHPTDC = fParam->GetLatencyHPTDC();
 114   AliDebug(2,Form(" LatencyL1 %f latencyL1A %f latencyL1C %f latencyHPTDC %f \n",fLatencyL1, fLatencyL1A, fLatencyL1C, fLatencyHPTDC));
 115
 116   for (Int_t i=0; i<24; i++) {
 117     if( fTime0vertex[i] < 500 || fTime0vertex[i] > 50000) fTime0vertex[i] =( 1000.*fLatencyHPTDC - 1000.*fLatencyL1 + 1000.*fGRPdelays)/24.4;
 118
 119   }
 120
 121   // fdZonC = TMath::Abs(fParam->GetZPositionShift("T0/C/PMT1"));
 122   //fdZonA = TMath::Abs(fParam->GetZPositionShift("T0/A/PMT15"));
 123   //here real Z position
 124   fdZonC = TMath::Abs(fParam->GetZPosition("T0/C/PMT1"));
 125   fdZonA = TMath::Abs(fParam->GetZPosition("T0/A/PMT15"));
 126
 127   fCalib = new AliT0Calibrator();
 128   fESDTZEROfriend = new AliESDTZEROfriend();
 129
 130 }
 131
 132 //_____________________________________________________________________________
 133 void AliT0Reconstructor::Reconstruct(TTree*digitsTree, TTree*clustersTree) const
 134 {
 135   // T0 digits reconstruction
 136   Int_t refAmp = Int_t (GetRecoParam()->GetRefAmp());
 137
 138   TArrayI * timeCFD = new TArrayI(24);
 139   TArrayI * timeLED = new TArrayI(24);
 140   TArrayI * chargeQT0 = new TArrayI(24);
 141   TArrayI * chargeQT1 = new TArrayI(24);
 142
 143
 144   Float_t channelWidth = fParam->GetChannelWidth() ;
 145   Float_t meanVertex = fParam->GetMeanVertex();
 146   Float_t c = 0.0299792; // cm/ps
 147   Double32_t vertex = 9999999;
 148   Double32_t timeDiff=999999, meanTime=999999, timeclock=999999;
 149
 150
 151   AliDebug(1,Form("Start DIGITS reconstruction "));
 152
 153   Float_t lowAmpThreshold =  GetRecoParam()->GetLow(200);
 154   Float_t highAmpThreshold =  GetRecoParam()->GetHigh(200);
 155   Int_t badpmt = GetRecoParam()->GetRefPoint();
 156
 157   TBranch *brDigits=digitsTree->GetBranch("T0");
 158   AliT0digit *fDigits = new AliT0digit() ;
 159   if (brDigits) {
 160     brDigits->SetAddress(&fDigits);
 161   }else{
 162     AliError(Form("EXEC Branch T0 digits not found"));
 163      return;
 164   }
 165
 166   digitsTree->GetEvent(0);
 167   digitsTree->GetEntry(0);
 168   brDigits->GetEntry(0);
 169   fDigits->GetTimeCFD(*timeCFD);
 170   fDigits->GetTimeLED(*timeLED);
 171   fDigits->GetQT0(*chargeQT0);
 172   fDigits->GetQT1(*chargeQT1);
 173   Int_t onlineMean =  fDigits->MeanTime();
 174
 175   Bool_t tr[5];
 176   for (Int_t i=0; i<5; i++) tr[i]=false;
 177
 178   Double32_t besttimeA=999999;
 179   Double32_t besttimeC=999999;
 180   Int_t pmtBestA=99999;
 181   Int_t pmtBestC=99999;
 182
 183   AliT0RecPoint* frecpoints= new AliT0RecPoint ();
 184   clustersTree->Branch( "T0", "AliT0RecPoint" ,&frecpoints);
 185
 186   Float_t time[24], adc[24], adcmip[24];
 187   for (Int_t ipmt=0; ipmt<24; ipmt++) {
 188     if(timeCFD->At(ipmt)>0 && ipmt != badpmt) {
 189      if(( chargeQT1->At(ipmt) - chargeQT0->At(ipmt))>0)
 190         adc[ipmt] = chargeQT1->At(ipmt) - chargeQT0->At(ipmt);
 191       else
 192         adc[ipmt] = 0;
 193
 194      time[ipmt] = fCalib-> WalkCorrection(refAmp, ipmt, Int_t(adc[ipmt]),  timeCFD->At(ipmt)) ;
 195
 196       Double_t sl = Double_t(timeLED->At(ipmt) - timeCFD->At(ipmt));
 197       //    time[ipmt] = fCalib-> WalkCorrection( refAmp,ipmt, Int_t(sl),  timeCFD->At(ipmt) ) ;
 198       AliDebug(5,Form(" ipmt %i QTC %i , time in chann %i (led-cfd) %i ",
 199                        ipmt, Int_t(adc[ipmt]) ,Int_t(time[ipmt]),Int_t( sl)));
 200
 201       Double_t ampMip =((TGraph*)fAmpLED.At(ipmt))->Eval(sl);
 202       Double_t qtMip = ((TGraph*)fQTC.At(ipmt))->Eval(adc[ipmt]);
 203       AliDebug(5,Form("  Amlitude in MIPS LED %f ,  QTC %f in channels %f\n ",ampMip,qtMip, adc[ipmt]));
 204
 205       frecpoints->SetTime(ipmt, Float_t(time[ipmt]) );
 206       frecpoints->SetAmpLED(ipmt, Float_t( ampMip));
 207       frecpoints->SetAmp(ipmt, Float_t(qtMip));
 208       adcmip[ipmt]=qtMip;
 209
 210     }
 211     else {
 212       time[ipmt] = 0;
 213       adc[ipmt] = 0;
 214       adcmip[ipmt] = 0;
 215
 216     }
 217   }
 218
 219   for (Int_t ipmt=0; ipmt<12; ipmt++){
 220     if(time[ipmt] > 1 && ipmt != badpmt && adcmip[ipmt]>lowAmpThreshold && adcmip[ipmt]<highAmpThreshold) {
 221       if(time[ipmt]<besttimeC){
 222         besttimeC=time[ipmt]; //timeC
 223         pmtBestC=ipmt;
 224       }
 225     }
 226   }
 227   for ( Int_t ipmt=12; ipmt<24; ipmt++){
 228     if(time[ipmt] > 1 &&  ipmt != badpmt && adcmip[ipmt]>lowAmpThreshold && adcmip[ipmt]<highAmpThreshold) {
 229       if(time[ipmt]<besttimeA) {
 230         besttimeA=time[ipmt]; //timeA
 231         pmtBestA=ipmt;}
 232     }
 233   }
 234   if(besttimeA < 999999) {
 235     frecpoints->SetTimeBestA(Int_t(besttimeA *channelWidth - fdZonA/c));
 236     tr[1]=true;
 237   }
 238   if( besttimeC < 999999 ) {
 239     frecpoints->SetTimeBestC(Int_t(besttimeC *channelWidth - fdZonA/c));
 240     tr[2]=true;
 241   }
 242   AliDebug(5,Form(" besttimeA %f ch,  besttimeC %f ch",besttimeA, besttimeC));
 243   if(besttimeA <999999 && besttimeC < 999999 ){
 244     //    timeDiff = (besttimeC - besttimeA)*channelWidth;
 245     timeDiff = (besttimeA - besttimeC)*channelWidth;
 246     meanTime = (besttimeA + besttimeC)/2;// * channelWidth);
 247     timeclock = meanTime *channelWidth -fdZonA/c ;
 248     vertex = meanVertex - c*(timeDiff)/2.;// + (fdZonA - fdZonC)/2;
 249     tr[0]=true;
 250   }
 251   frecpoints->SetVertex(vertex);
 252   frecpoints->SetMeanTime(meanTime);
 253   frecpoints->SetT0clock(timeclock);
 254   frecpoints->SetT0Trig(tr);
 255
 256   AliDebug(5,Form("T0 triggers %d %d %d %d %d",tr[0],tr[1],tr[2],tr[3],tr[4]));
 257
 258   //online mean
 259   frecpoints->SetOnlineMean(Int_t(onlineMean));
 260   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));
 261
 262
 263
 264
 265
 266   clustersTree->Fill();
 267
 268   delete timeCFD;
 269   delete timeLED;
 270   delete chargeQT0;
 271   delete chargeQT1;
 272 }
 273
 274
 275 //_______________________________________________________________________
 276
 277 void AliT0Reconstructor::Reconstruct(AliRawReader* rawReader, TTree*recTree) const
 278 {
 279   // T0 raw ->
 280   //
 281   // reference amplitude and time ref. point from reco param
 282
 283   // Float_t refAmp = GetRecoParam()->GetRefAmp();
 284
 285   //  Int_t refPoint = 0;
 286   Int_t badpmt[24];
 287   //Bad channel
 288   for (Int_t i=0; i<24; i++) {
 289     badpmt[i] = GetRecoParam() -> GetBadChannels(i);
 290   }
 291   Int_t low[500], high[500];
 292
 293   Int_t allData[110][5];
 294
 295   Int_t timeCFD[24], timeLED[24], chargeQT0[24], chargeQT1[24];
 296   Double32_t timeDiff, meanTime, timeclock;
 297   timeDiff =  meanTime = timeclock = 9999999;
 298   Float_t c = 29.9792458; // cm/ns
 299   Double32_t vertex = 9999999;
 300   Int_t onlineMean=0;
 301   // Float_t meanVertex = fParam->GetMeanVertex();
 302   Float_t meanVertex = 0;
 303   for (Int_t i0=0; i0<24; i0++) {
 304     low[i0] = Int_t(fTime0vertex[i0]) - 200;
 305     high[i0] = Int_t(fTime0vertex[i0]) + 200;
 306   }
 307
 308   for (Int_t i0=0; i0<110; i0++)
 309     {
 310       for (Int_t j0=0; j0<5; j0++) allData[i0][j0]=0;
 311       //    low[i0] = Int_t (GetRecoParam()->GetLow(i0));
 312       // high[i0] = Int_t (GetRecoParam()->GetHigh(i0));
 313       }
 314
 315   Float_t lowAmpThreshold =  GetRecoParam()->GetAmpLowThreshold();
 316   Float_t highAmpThreshold =  GetRecoParam()->GetAmpHighThreshold();
 317
 318   Double32_t besttimeA=9999999;
 319   Double32_t besttimeC=9999999;
 320   Int_t pmtBestA=99999;
 321   Int_t pmtBestC=99999;
 322
 323   AliT0RecPoint* frecpoints= new AliT0RecPoint ();
 324
 325   recTree->Branch( "T0", "AliT0RecPoint" ,&frecpoints);
 326
 327   AliDebug(10," before read data ");
 328   AliT0RawReader myrawreader(rawReader);
 329
 330   UInt_t type =rawReader->GetType();
 331
 332   if (!myrawreader.Next())
 333     AliDebug(1,Form(" no raw data found!!"));
 334   else
 335     {
 336    for (Int_t i=0; i<24; i++)
 337     {
 338       timeCFD[i]=0; timeLED[i]=0; chargeQT0[i]=0; chargeQT1[i]=0;
 339     }
 340      Int_t fBCID=Int_t (rawReader->GetBCID());
 341       Int_t trmbunch= myrawreader.GetTRMBunchID();
 342       AliDebug(10,Form(" CDH BC ID %i, TRM BC ID %i \n", fBCID, trmbunch ));
 343
 344       if(type == 7  ) {  //only physics
 345         for (Int_t i=0; i<107; i++) {
 346         for (Int_t iHit=0; iHit<5; iHit++)
 347           {
 348             allData[i][iHit] = myrawreader.GetData(i,iHit);
 349           }
 350         }
 351         Int_t ref=0;
 352
 353         //      if (refPoint>0)
 354         //  ref = allData[refPoint][0]-5000;
 355
 356
 357         Float_t channelWidth = fParam->GetChannelWidth() ;
 358
 359         //       Int_t meanT0 = fParam->GetMeanT0();
 360
 361         for (Int_t in=0; in<12; in++)
 362           {
 363             for (Int_t iHit=0; iHit<5; iHit++)
 364               {
 365                 if(allData[in+1][iHit] > low[in] &&
 366                    allData[in+1][iHit] < high[in])
 367                   {
 368                     timeCFD[in] = allData[in+1][iHit] ;
 369                     break;
 370                   }
 371               }
 372             for (Int_t iHit=0; iHit<5; iHit++)
 373               {
 374                 if(allData[in+1+56][iHit] > low[in] &&
 375                    allData[in+1+56][iHit] < high[in])
 376                   {
 377                     timeCFD[in+12] = allData[in+56+1][iHit] ;
 378                     break;
 379                   }
 380               }
 381             timeLED[in+12] = allData[in+68+1][0] ;
 382             timeLED[in] = allData[in+12+1][0] ;
 383             AliDebug(5, Form(" readed i %i cfdC %i cfdA %i ledC %i ledA%i ",
 384                               in, timeCFD[in],timeCFD[in+12],timeLED[in],
 385                              timeLED[in+12]));
 386
 387           }
 388
 389
 390         for (Int_t in=0; in<12;  in++)
 391           {
 392             chargeQT0[in]=allData[2*in+25][0];
 393             chargeQT1[in]=allData[2*in+26][0];
 394             AliDebug(25, Form(" readed Raw %i %i %i",
 395                               in, chargeQT0[in],chargeQT1[in]));
 396           }
 397         for (Int_t in=12; in<24;  in++)
 398           {
 399             chargeQT0[in]=allData[2*in+57][0];
 400             chargeQT1[in]=allData[2*in+58][0];
 401             AliDebug(25, Form(" readed Raw %i %i %i",
 402                               in, chargeQT0[in],chargeQT1[in]));
 403
 404           }
 405
 406         for (Int_t iHit=0; iHit<5; iHit++)
 407           {
 408               if(allData[49][iHit] > low[49] &&
 409                  allData[49][iHit] < high[49]){
 410                 onlineMean = allData[49][iHit];
 411                 break;
 412               }
 413           }
 414         Double32_t time[24], adc[24], adcmip[24], noncalibtime[24];
 415         for (Int_t ipmt=0; ipmt<24; ipmt++) {
 416           if(timeCFD[ipmt] >  0  && badpmt[ipmt]==0 ){
 417            //for simulated data
 418              //for physics  data
 419            if(( chargeQT0[ipmt] - chargeQT1[ipmt])>0)  {
 420              adc[ipmt] = chargeQT0[ipmt] - chargeQT1[ipmt];
 421            }
 422            else
 423              adc[ipmt] = 0;
 424            //      time[ipmt] = fCalib-> WalkCorrection(refAmp, ipmt, Int_t(adc[ipmt]), timeCFD[ipmt] ) ;
 425
 426            time[ipmt] = fCalib-> WalkCorrection(Int_t (fTime0vertex[ipmt]), ipmt, Int_t(adc[ipmt]), timeCFD[ipmt] ) ;
 427            Double_t sl = timeLED[ipmt] - timeCFD[ipmt];
 428            // time[ipmt] = fCalib-> WalkCorrection( refAmp,ipmt, Int_t(sl), timeCFD[ipmt] ) ;
 429            AliDebug(5,Form(" ipmt %i QTC %i , time in chann %i (led-cfd) %i ",
 430                             ipmt, Int_t(adc[ipmt]) ,Int_t(time[ipmt]),Int_t( sl)));
 431            Double_t ampMip =( (TGraph*)fAmpLED.At(ipmt))->Eval(sl);
 432            Double_t qtMip = ((TGraph*)fQTC.At(ipmt))->Eval(adc[ipmt]);
 433            AliDebug(10,Form("  Amlitude in MIPS LED %f ; QTC %f;  in channels %f\n ",ampMip,qtMip, adc[ipmt]));
 434            //bad peak removing
 435              frecpoints->SetTime(ipmt, Float_t(time[ipmt]) );
 436              // frecpoints->SetTime(ipmt,Double32_t(timeCFD[ipmt]));
 437              frecpoints->SetAmp(ipmt, Double32_t( qtMip));
 438              adcmip[ipmt]=qtMip;
 439              frecpoints->SetAmpLED(ipmt, Double32_t(ampMip));
 440              noncalibtime[ipmt]= Double32_t (timeCFD[ipmt]);
 441          }
 442          else {
 443            time[ipmt] = 0;
 444            adc[ipmt] = 0;
 445            adcmip[ipmt] = 0;
 446            noncalibtime[ipmt] = 0;
 447          }
 448        }
 449        fESDTZEROfriend->SetT0timeCorr(noncalibtime) ;
 450        for (Int_t ipmt=0; ipmt<12; ipmt++){
 451          if(time[ipmt] !=0 && badpmt[ipmt]==0 &&  adcmip[ipmt]>lowAmpThreshold && adcmip[ipmt]<highAmpThreshold )
 452            {
 453                //              if(TMath::Abs(time[ipmt])<TMath::Abs(besttimeC)) {
 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] != 0  && badpmt[ipmt]==0 && adcmip[ipmt]>lowAmpThreshold && adcmip[ipmt]<highAmpThreshold)
 463              {
 464                if(time[ipmt]<besttimeA) {
 465                  //            if(TMath::Abs(time[ipmt])<TMath::Abs(besttimeA)) {
 466                  besttimeA=time[ipmt]; //timeA
 467                  pmtBestA=ipmt;
 468                }
 469              }
 470          }
 471        if(besttimeA < 999999)
 472          frecpoints->SetTimeBestA((besttimeA * channelWidth)- 1000.*fLatencyHPTDC + 1000.*fLatencyL1A - 1000.*fGRPdelays - fTimeMeanShift[1] );
 473        //        frecpoints->SetTimeBestA((besttimeA * channelWidth- fTimeMeanShift[1]));
 474
 475        if( besttimeC < 999999 )
 476          frecpoints->SetTimeBestC((besttimeC * channelWidth)- 1000.*fLatencyHPTDC +1000.*fLatencyL1C - 1000.*fGRPdelays - fTimeMeanShift[2]);
 477        // frecpoints->SetTimeBestC((besttimeC * channelWidth - fTimeMeanShift[2]));
 478        AliDebug(5,Form(" pmtA %i besttimeA %f shift A %f ps, pmtC %i besttimeC %f shiftC %f ps",
 479                        pmtBestA,besttimeA, fTimeMeanShift[1],
 480                        pmtBestC,  besttimeC,fTimeMeanShift[2]));
 481         if(besttimeA <999999 && besttimeC < 999999 ){
 482           //     timeDiff = ( besttimeA - besttimeC)* 0.001* channelWidth + fLatencyL1A - fLatencyL1C;
 483           timeclock = channelWidth * Float_t( besttimeA+besttimeC)/2. - 1000.*fLatencyHPTDC + 1000.*fLatencyL1 - 1000.*fGRPdelays - fTimeMeanShift[0] ;
 484          meanTime = (besttimeA+besttimeC-2.*Float_t(ref))/2.;
 485          timeDiff = ( besttimeA - besttimeC)* 0.001* channelWidth ;
 486          // timeclock = channelWidth * Float_t( besttimeA+besttimeC)/2. - fTimeMeanShift[0] ;
 487          vertex =  meanVertex - c*(timeDiff)/2. ; //+ (fdZonA - fdZonC)/2;
 488         }
 489       }  //if phys event
 490       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));
 491       frecpoints->SetT0clock(timeclock);
 492       frecpoints->SetVertex(vertex);
 493       frecpoints->SetMeanTime(meanTime);
 494       frecpoints->SetOnlineMean(Int_t(onlineMean));
 495         // Set triggers
 496
 497       Bool_t tr[5];
 498       Int_t trchan[5]= {50,51,52,55,56};
 499       for (Int_t i=0; i<5; i++) tr[i]=false;
 500       for (Int_t itr=0; itr<5; itr++) {
 501         for (Int_t iHit=0; iHit<5; iHit++)
 502           {
 503             Int_t trr=trchan[itr];
 504             if( allData[trr][iHit] > 0) tr[itr]=true;
 505           }
 506       }
 507       frecpoints->SetT0Trig(tr);
 508
 509       //Set MPD
 510       if(allData[53][0]>0 && allData[54][0])
 511         frecpoints->SetMultA(allData[53][0]-allData[54][0]);
 512         if(allData[105][0]>0 && allData[106][0])
 513           frecpoints->SetMultC(allData[105][0]-allData[106][0]);
 514
 515
 516     } // if (else )raw data
 517   recTree->Fill();
 518   if(frecpoints) delete frecpoints;
 519 }
 520
 521
 522   //____________________________________________________________
 523
 524   void AliT0Reconstructor::FillESD(TTree */*digitsTree*/, TTree *clustersTree, AliESDEvent *pESD) const
 525   {
 526
 527   /***************************************************
 528   Resonstruct digits to vertex position
 529   ****************************************************/
 530
 531   AliDebug(1,Form("Start FillESD T0"));
 532   if(!pESD) {
 533     AliError("No ESD Event");
 534     return;
 535   }
 536   pESD ->SetT0spread(fTimeSigmaShift);
 537
 538
 539   Float_t channelWidth = fParam->GetChannelWidth() ;
 540   Float_t c = 0.0299792458; // cm/ps
 541   Float_t currentVertex=0, shift=0;
 542   Int_t ncont=-1;
 543   const AliESDVertex* vertex = pESD->GetPrimaryVertex();
 544   if (!vertex)        vertex = pESD->GetPrimaryVertexSPD();
 545   if (!vertex)        vertex = pESD->GetPrimaryVertexTPC();
 546   if (!vertex)        vertex = pESD->GetVertex();
 547
 548   if (vertex) {
 549     AliDebug(2, Form("Got %s (%s) from ESD: %f",
 550                     vertex->GetName(), vertex->GetTitle(), vertex->GetZ()));
 551     currentVertex = vertex->GetZ();
 552
 553     ncont = vertex->GetNContributors();
 554     //  cout<<"@@ spdver "<<spdver<<" ncont "<<ncont<<endl;
 555     if(ncont>0 ) {
 556       shift = currentVertex/c;
 557     }
 558   }
 559   TTree *treeR = clustersTree;
 560
 561   AliT0RecPoint* frecpoints= new AliT0RecPoint ();
 562   if (!frecpoints) {
 563     AliError("Reconstruct Fill ESD >> no recpoints found");
 564     return;
 565   }
 566
 567   AliDebug(1,Form("Start FillESD T0"));
 568   TBranch *brRec = treeR->GetBranch("T0");
 569   if (brRec) {
 570     brRec->SetAddress(&frecpoints);
 571   }else{
 572     AliError(Form("EXEC Branch T0 rec not found"));
 573     return;
 574   }
 575
 576   brRec->GetEntry(0);
 577   Double32_t amp[24], time[24], ampQTC[24], timecorr[24];
 578   Double32_t* tcorr;
 579   for(Int_t i=0; i<24; i++)
 580     amp[i]=time[i]=ampQTC[i]=timecorr[i]=0;
 581
 582
 583   Double32_t timeClock[3];
 584   Double32_t zPosition = frecpoints -> GetVertex();
 585   Double32_t timeStart = frecpoints -> GetMeanTime();
 586   timeClock[0] = frecpoints -> GetT0clock() ;
 587   timeClock[1] = frecpoints -> GetBestTimeA() + shift;
 588   timeClock[2] = frecpoints -> GetBestTimeC() - shift;
 589
 590   for ( Int_t i=0; i<24; i++) {
 591     time[i] =  frecpoints -> GetTime(i); // ps to ns
 592     //    if ( time[i] >1) {
 593     if ( time[i] != 0) {
 594       ampQTC[i] = frecpoints -> GetAmp(i);
 595       amp[i] = frecpoints -> AmpLED(i);
 596       AliDebug(1,Form("T0: %i  time %f  ampQTC %f ampLED %f \n", i, time[i], ampQTC[i], amp[i]));
 597    }
 598   }
 599   Int_t trig= frecpoints ->GetT0Trig();
 600   pESD->SetT0Trig(trig);
 601
 602   pESD->SetT0zVertex(zPosition); //vertex Z position
 603
 604   Double32_t multA=frecpoints ->GetMultA();
 605   Double32_t multC=frecpoints ->GetMultC();
 606   //  pESD->SetT0MultC(multC);        // multiplicity Cside
 607   //  pESD->SetT0MultA(multA);        // multiplicity Aside
 608   pESD->SetT0(multA); // for backward compatubility
 609   pESD->SetT0clock(multC); // for backward compatubility
 610
 611   for(Int_t i=0; i<3; i++)
 612     pESD->SetT0TOF(i,timeClock[i]);   // interaction time (ns)
 613   pESD->SetT0time(time);         // best TOF on each PMT
 614   pESD->SetT0amplitude(ampQTC);     // number of particles(MIPs) on each PMT
 615
 616   AliDebug(1,Form("T0: SPDshift %f Vertex %f (T0A+T0C)/2 %f #channels T0signal %f ns OrA %f ns OrC %f T0trig %i\n",shift, zPosition, timeStart, timeClock[0], timeClock[1], timeClock[2], trig));
 617
 618   if (pESD) {
 619
 620     AliESDfriend *fr = (AliESDfriend*)pESD->FindListObject("AliESDfriend");
 621     if (fr) {
 622       AliDebug(1, Form("Writing TZERO friend data to ESD tree"));
 623
 624       //     if (ncont>2) {
 625         tcorr = fESDTZEROfriend->GetT0timeCorr();
 626         for ( Int_t i=0; i<24; i++) {
 627           if(i<12 && time[i]>1) timecorr[i] = tcorr[i] -  shift/channelWidth;
 628           if(i>11 && time[i]>1) timecorr[i] = tcorr[i] +  shift/channelWidth;
 629           if(time[i]>1)   AliDebug(10,Form("T0 friend : %i time %f  ampQTC %f ampLED %f \n", i, timecorr[i], ampQTC[i], amp[i]));
 630         }
 631         fESDTZEROfriend->SetT0timeCorr( timecorr) ;
 632         fESDTZEROfriend->SetT0ampLEDminCFD(amp);
 633         fESDTZEROfriend->SetT0ampQTC(ampQTC);
 634         fr->SetTZEROfriend(fESDTZEROfriend);
 635         //      }//
 636     }
 637   }
 638
 639
 640
 641 } // vertex in 3 sigma
 642
 643
 644
 645
 646
 647