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
  70 {
  71   for (Int_t i=0; i<24; i++)  fTime0vertex[i] =0;
  72
  73   //constructor
  74   AliCDBEntry *entry = AliCDBManager::Instance()->Get("GRP/CTP/CTPtiming");
  75   if (!entry) AliFatal("CTP timing parameters are not found in OCDB !");
  76   AliCTPTimeParams *ctpParams = (AliCTPTimeParams*)entry->GetObject();
  77   Float_t l1Delay = (Float_t)ctpParams->GetDelayL1L0()*25.0;
  78
  79   AliCDBEntry *entry1 = AliCDBManager::Instance()->Get("GRP/CTP/TimeAlign");
  80   if (!entry1) AliFatal("CTP time-alignment is not found in OCDB !");
  81   AliCTPTimeParams *ctpTimeAlign = (AliCTPTimeParams*)entry1->GetObject();
  82   l1Delay += ((Float_t)ctpTimeAlign->GetDelayL1L0()*25.0);
  83
  84   AliCDBEntry *entry4 = AliCDBManager::Instance()->Get("GRP/Calib/LHCClockPhase");
  85   if (!entry4) AliFatal("LHC clock-phase shift is not found in OCDB !");
  86   AliLHCClockPhase *phase = (AliLHCClockPhase*)entry4->GetObject();
  87
  88   fGRPdelays = l1Delay - phase->GetMeanPhase();
  89
  90   AliCDBEntry *entry5 = AliCDBManager::Instance()->Get("T0/Calib/TimeAdjust");
  91   if (entry5) {
  92     AliT0CalibSeasonTimeShift *timeshift = (AliT0CalibSeasonTimeShift*)entry5->GetObject();
  93     fTimeMeanShift = timeshift->GetT0Means();
  94     fTimeSigmaShift  = timeshift->GetT0Sigmas();
  95    }
  96   else
  97     AliWarning("Time Adjust is not found in OCDB !");
  98
  99   fParam = AliT0Parameters::Instance();
 100   fParam->Init();
 101
 102   for (Int_t i=0; i<24; i++){
 103         TGraph* gr = fParam ->GetAmpLEDRec(i);
 104         if (gr) fAmpLEDrec.AddAtAndExpand(gr,i) ;
 105           TGraph* gr1 = fParam ->GetAmpLED(i);
 106           if (gr1) fAmpLED.AddAtAndExpand(gr1,i) ;
 107           TGraph* gr2 = fParam ->GetQTC(i);
 108           if (gr2) fQTC.AddAtAndExpand(gr2,i) ;
 109           fTime0vertex[i] = fParam->GetCFD(i);
 110           AliDebug(2,Form("OCDB mean CFD time %i %f \n",i, fTime0vertex[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] > 50000) fTime0vertex[i] =( 1000.*fLatencyHPTDC - 1000.*fLatencyL1 + 1000.*fGRPdelays)/24.4;
 120
 121   }
 122   //here real Z position
 123   fdZonC = TMath::Abs(fParam->GetZPosition("T0/C/PMT1"));
 124   fdZonA = TMath::Abs(fParam->GetZPosition("T0/A/PMT15"));
 125
 126   fCalib = new AliT0Calibrator();
 127   fESDTZEROfriend = new AliESDTZEROfriend();
 128   fESDTZERO  = new AliESDTZERO();
 129
 130
 131 }
 132
 133 //_____________________________________________________________________________
 134 void AliT0Reconstructor::Reconstruct(TTree*digitsTree, TTree*clustersTree) const
 135 {
 136   // T0 digits reconstruction
 137   Int_t refAmp = Int_t (GetRecoParam()->GetRefAmp());
 138
 139   TArrayI * timeCFD = new TArrayI(24);
 140   TArrayI * timeLED = new TArrayI(24);
 141   TArrayI * chargeQT0 = new TArrayI(24);
 142   TArrayI * chargeQT1 = new TArrayI(24);
 143
 144
 145   Float_t channelWidth = fParam->GetChannelWidth() ;
 146   Float_t meanVertex = fParam->GetMeanVertex();
 147   Float_t c = 0.0299792; // cm/ps
 148   Double32_t vertex = 9999999;
 149   Double32_t timeDiff=999999, meanTime=999999, timeclock=999999;
 150
 151
 152   AliDebug(1,Form("Start DIGITS reconstruction "));
 153
 154   Float_t lowAmpThreshold =  GetRecoParam()->GetLow(200);
 155   Float_t highAmpThreshold =  GetRecoParam()->GetHigh(200);
 156   Int_t badpmt = GetRecoParam()->GetRefPoint();
 157
 158   TBranch *brDigits=digitsTree->GetBranch("T0");
 159   AliT0digit *fDigits = new AliT0digit() ;
 160   if (brDigits) {
 161     brDigits->SetAddress(&fDigits);
 162   }else{
 163     AliError(Form("EXEC Branch T0 digits not found"));
 164      return;
 165   }
 166
 167   digitsTree->GetEvent(0);
 168   digitsTree->GetEntry(0);
 169   brDigits->GetEntry(0);
 170   fDigits->GetTimeCFD(*timeCFD);
 171   fDigits->GetTimeLED(*timeLED);
 172   fDigits->GetQT0(*chargeQT0);
 173   fDigits->GetQT1(*chargeQT1);
 174   Int_t onlineMean =  fDigits->MeanTime();
 175
 176   Bool_t tr[5];
 177   for (Int_t i=0; i<5; i++) tr[i]=false;
 178
 179   Double32_t besttimeA=999999;
 180   Double32_t besttimeC=999999;
 181   Int_t pmtBestA=99999;
 182   Int_t pmtBestC=99999;
 183
 184   AliT0RecPoint* frecpoints= new AliT0RecPoint ();
 185   clustersTree->Branch( "T0", "AliT0RecPoint" ,&frecpoints);
 186
 187   Float_t time[24], adc[24], adcmip[24];
 188   for (Int_t ipmt=0; ipmt<24; ipmt++) {
 189     if(timeCFD->At(ipmt)>0 && ipmt != badpmt) {
 190      if(( chargeQT1->At(ipmt) - chargeQT0->At(ipmt))>0)
 191         adc[ipmt] = chargeQT1->At(ipmt) - chargeQT0->At(ipmt);
 192       else
 193         adc[ipmt] = 0;
 194
 195      time[ipmt] = fCalib-> WalkCorrection(refAmp, ipmt, Int_t(adc[ipmt]),  timeCFD->At(ipmt)) ;
 196
 197       Double_t sl = Double_t(timeLED->At(ipmt) - timeCFD->At(ipmt));
 198       //    time[ipmt] = fCalib-> WalkCorrection( refAmp,ipmt, Int_t(sl),  timeCFD->At(ipmt) ) ;
 199       AliDebug(5,Form(" ipmt %i QTC %i , time in chann %i (led-cfd) %i ",
 200                        ipmt, Int_t(adc[ipmt]) ,Int_t(time[ipmt]),Int_t( sl)));
 201
 202       Double_t ampMip = 0;
 203       TGraph* ampGraph = (TGraph*)fAmpLED.At(ipmt);
 204       if (ampGraph) ampMip = ampGraph->Eval(sl);
 205       Double_t qtMip = 0;
 206       TGraph* qtGraph = (TGraph*)fQTC.At(ipmt);
 207       if (qtGraph) qtMip = qtGraph->Eval(adc[ipmt]);
 208       AliDebug(5,Form("  Amlitude in MIPS LED %f ,  QTC %f in channels %f\n ",ampMip,qtMip, adc[ipmt]));
 209
 210       frecpoints->SetTime(ipmt, Float_t(time[ipmt]) );
 211       frecpoints->SetAmpLED(ipmt, Float_t( ampMip));
 212       frecpoints->SetAmp(ipmt, Float_t(qtMip));
 213       adcmip[ipmt]=qtMip;
 214
 215     }
 216     else {
 217       time[ipmt] = 0;
 218       adc[ipmt] = 0;
 219       adcmip[ipmt] = 0;
 220
 221     }
 222   }
 223
 224   for (Int_t ipmt=0; ipmt<12; ipmt++){
 225     if(time[ipmt] > 1 && ipmt != badpmt && adcmip[ipmt]>lowAmpThreshold && adcmip[ipmt]<highAmpThreshold) {
 226       if(time[ipmt]<besttimeC){
 227         besttimeC=time[ipmt]; //timeC
 228         pmtBestC=ipmt;
 229       }
 230     }
 231   }
 232   for ( Int_t ipmt=12; ipmt<24; ipmt++){
 233     if(time[ipmt] > 1 &&  ipmt != badpmt && adcmip[ipmt]>lowAmpThreshold && adcmip[ipmt]<highAmpThreshold) {
 234       if(time[ipmt]<besttimeA) {
 235         besttimeA=time[ipmt]; //timeA
 236         pmtBestA=ipmt;}
 237     }
 238   }
 239   if(besttimeA < 999999) {
 240     frecpoints->SetTimeBestA(Int_t(besttimeA *channelWidth - fdZonA/c));
 241     tr[1]=true;
 242   }
 243   if( besttimeC < 999999 ) {
 244     frecpoints->SetTimeBestC(Int_t(besttimeC *channelWidth - fdZonA/c));
 245     tr[2]=true;
 246   }
 247   AliDebug(5,Form(" besttimeA %f ch,  besttimeC %f ch",besttimeA, besttimeC));
 248   if(besttimeA <999999 && besttimeC < 999999 ){
 249     //    timeDiff = (besttimeC - besttimeA)*channelWidth;
 250     timeDiff = (besttimeA - besttimeC)*channelWidth;
 251     meanTime = (besttimeA + besttimeC)/2;// * channelWidth);
 252     timeclock = meanTime *channelWidth -fdZonA/c ;
 253     vertex = meanVertex - c*(timeDiff)/2.;// + (fdZonA - fdZonC)/2;
 254     tr[0]=true;
 255   }
 256   frecpoints->SetVertex(vertex);
 257   frecpoints->SetMeanTime(meanTime);
 258   frecpoints->SetT0clock(timeclock);
 259   frecpoints->SetT0Trig(tr);
 260
 261   AliDebug(5,Form("T0 triggers %d %d %d %d %d",tr[0],tr[1],tr[2],tr[3],tr[4]));
 262
 263   //online mean
 264   frecpoints->SetOnlineMean(Int_t(onlineMean));
 265   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));
 266
 267
 268
 269
 270
 271   clustersTree->Fill();
 272
 273   delete timeCFD;
 274   delete timeLED;
 275   delete chargeQT0;
 276   delete chargeQT1;
 277 }
 278
 279
 280 //_______________________________________________________________________
 281
 282 void AliT0Reconstructor::Reconstruct(AliRawReader* rawReader, TTree*recTree) const
 283 {
 284   // T0 raw ->
 285   //
 286
 287   Float_t meanOrA = fTime0vertex[0] + 587;
 288   Float_t meanOrC = fTime0vertex[0] + 678;
 289   Float_t meanTVDC = fTime0vertex[0] + 2564;
 290   Int_t timeDelayCFD[24];
 291
 292
 293   Int_t badpmt[24];
 294   //Bad channel
 295   for (Int_t i=0; i<24; i++) {
 296     badpmt[i] = GetRecoParam() -> GetBadChannels(i);
 297     timeDelayCFD[i] =  Int_t (fParam->GetTimeDelayCFD(i));
 298   }
 299   Int_t low[500], high[500];
 300   Float_t timefull=-9999;;
 301   Float_t tvdc  = -9999; Float_t ora = -9999; Float_t orc = -9999;
 302
 303   Int_t allData[110][5];
 304
 305   Int_t timeCFD[24], timeLED[24], chargeQT0[24], chargeQT1[24];
 306   Double32_t timeDiff, meanTime, timeclock;
 307   timeDiff =  meanTime = timeclock = 9999999;
 308   Float_t c = 29.9792458; // cm/ns
 309   Double32_t vertex = 9999999;
 310   Int_t onlineMean=0;
 311   Float_t meanVertex = 0;
 312   for (Int_t i0=0; i0<24; i0++) {
 313     low[i0] = Int_t(fTime0vertex[i0]) - 200;
 314     high[i0] = Int_t(fTime0vertex[i0]) + 200;
 315   }
 316
 317   for (Int_t i0=0; i0<110; i0++)
 318     for (Int_t j0=0; j0<5; j0++)  allData[i0][j0]=0;
 319
 320   Float_t lowAmpThreshold =  GetRecoParam()->GetAmpLowThreshold();
 321   Float_t highAmpThreshold =  GetRecoParam()->GetAmpHighThreshold();
 322
 323   Double32_t besttimeA=9999999;
 324   Double32_t besttimeC=9999999;
 325   Int_t pmtBestA=99999;
 326   Int_t pmtBestC=99999;
 327   Float_t channelWidth = fParam->GetChannelWidth() ;
 328
 329   AliT0RecPoint* frecpoints= new AliT0RecPoint ();
 330
 331   recTree->Branch( "T0", "AliT0RecPoint" ,&frecpoints);
 332
 333   AliDebug(10," before read data ");
 334   AliT0RawReader myrawreader(rawReader);
 335
 336   UInt_t type =rawReader->GetType();
 337
 338   if (!myrawreader.Next())
 339     AliDebug(1,Form(" no raw data found!!"));
 340   else
 341     {
 342    for (Int_t i=0; i<24; i++)
 343     {
 344       timeCFD[i]=0; timeLED[i]=0; chargeQT0[i]=0; chargeQT1[i]=0;
 345     }
 346      Int_t fBCID=Int_t (rawReader->GetBCID());
 347       Int_t trmbunch= myrawreader.GetTRMBunchID();
 348       AliDebug(10,Form(" CDH BC ID %i, TRM BC ID %i \n", fBCID, trmbunch ));
 349
 350       if(type == 7  ) {  //only physics
 351         for (Int_t i=0; i<107; i++) {
 352         for (Int_t iHit=0; iHit<5; iHit++)
 353           {
 354             allData[i][iHit] = myrawreader.GetData(i,iHit);
 355           }
 356         }
 357         Int_t ref=0;
 358
 359         for (Int_t in=0; in<12; in++)
 360           {
 361             for (Int_t iHit=0; iHit<5; iHit++)
 362               {
 363                 if(allData[in+1][iHit] > low[in] &&
 364                    allData[in+1][iHit] < high[in])
 365                   {
 366                     timeCFD[in] = allData[in+1][iHit] ;
 367                     break;
 368                   }
 369               }
 370             for (Int_t iHit=0; iHit<5; iHit++)
 371               {
 372                 if(allData[in+1+56][iHit] > low[in] &&
 373                    allData[in+1+56][iHit] < high[in])
 374                   {
 375                     timeCFD[in+12] = allData[in+56+1][iHit] ;
 376                     break;
 377                   }
 378               }
 379             timeLED[in+12] = allData[in+68+1][0] ;
 380             timeLED[in] = allData[in+12+1][0] ;
 381             AliDebug(5, Form(" readed i %i cfdC %i cfdA %i ledC %i ledA%i ",
 382                               in, timeCFD[in],timeCFD[in+12],timeLED[in],
 383                              timeLED[in+12]));
 384
 385           }
 386
 387
 388         for (Int_t in=0; in<12;  in++)
 389           {
 390             chargeQT0[in]=allData[2*in+25][0];
 391             chargeQT1[in]=allData[2*in+26][0];
 392             AliDebug(25, Form(" readed Raw %i %i %i",
 393                               in, chargeQT0[in],chargeQT1[in]));
 394           }
 395         for (Int_t in=12; in<24;  in++)
 396           {
 397             chargeQT0[in]=allData[2*in+57][0];
 398             chargeQT1[in]=allData[2*in+58][0];
 399             AliDebug(25, Form(" readed Raw %i %i %i",
 400                               in, chargeQT0[in],chargeQT1[in]));
 401           }
 402
 403         onlineMean = allData[49][0];
 404
 405         Double32_t time[24], adc[24], adcmip[24], noncalibtime[24];
 406         for (Int_t ipmt=0; ipmt<24; ipmt++) {
 407           if(timeCFD[ipmt] >  0 /* && badpmt[ipmt]==0*/ ){
 408            //for simulated data
 409              //for physics  data
 410            if(( chargeQT0[ipmt] - chargeQT1[ipmt])>0)  {
 411              adc[ipmt] = chargeQT0[ipmt] - chargeQT1[ipmt];
 412            }
 413            else
 414              adc[ipmt] = 0;
 415            //      time[ipmt] = fCalib-> WalkCorrection(refAmp, ipmt, Int_t(adc[ipmt]), timeCFD[ipmt] ) ;
 416
 417            time[ipmt] = fCalib-> WalkCorrection(Int_t (fTime0vertex[ipmt]), ipmt, Int_t(adc[ipmt]), timeCFD[ipmt] ) ;
 418            Double_t sl = timeLED[ipmt] - timeCFD[ipmt];
 419            // time[ipmt] = fCalib-> WalkCorrection( refAmp,ipmt, Int_t(sl), timeCFD[ipmt] ) ;
 420            AliDebug(5,Form(" ipmt %i QTC %i , time in chann %i (led-cfd) %i ",
 421                             ipmt, Int_t(adc[ipmt]) ,Int_t(time[ipmt]),Int_t( sl)));
 422            Double_t ampMip = 0;
 423            TGraph * ampGraph =  (TGraph*)fAmpLED.At(ipmt);
 424            if (ampGraph) ampMip = ampGraph->Eval(sl);
 425            Double_t qtMip = 0;
 426            TGraph * qtGraph = (TGraph*)fQTC.At(ipmt);
 427            if (qtGraph) qtMip = qtGraph->Eval(adc[ipmt]);
 428            AliDebug(10,Form("  Amlitude in MIPS LED %f ; QTC %f;  in channels %f\n ",ampMip,qtMip, adc[ipmt]));
 429            //bad peak removing
 430              frecpoints->SetTime(ipmt, Float_t(time[ipmt]) );
 431              // frecpoints->SetTime(ipmt,Double32_t(timeCFD[ipmt]));
 432              frecpoints->SetAmp(ipmt, Double32_t( qtMip));
 433              adcmip[ipmt]=qtMip;
 434              frecpoints->SetAmpLED(ipmt, Double32_t(ampMip));
 435              noncalibtime[ipmt]= Double32_t (timeCFD[ipmt]);
 436          }
 437          else {
 438            time[ipmt] = 0;
 439            adc[ipmt] = 0;
 440            adcmip[ipmt] = 0;
 441            noncalibtime[ipmt] = 0;
 442          }
 443        }
 444        fESDTZEROfriend->SetT0timeCorr(noncalibtime) ;
 445        for (Int_t ipmt=0; ipmt<12; ipmt++){
 446          if(time[ipmt] !=0 /*&& badpmt[ipmt]==0 */&&  adcmip[ipmt]>lowAmpThreshold && adcmip[ipmt]<highAmpThreshold )
 447            {
 448                // if(TMath::Abs(time[ipmt])<TMath::Abs(besttimeC)) {
 449              if(time[ipmt]<besttimeC){
 450                besttimeC=time[ipmt]; //timeC
 451                   pmtBestC=ipmt;
 452              }
 453            }
 454        }
 455        for ( Int_t ipmt=12; ipmt<24; ipmt++)
 456          {
 457            if(time[ipmt] != 0 /* && badpmt[ipmt]==0*/ && adcmip[ipmt]>lowAmpThreshold && adcmip[ipmt]<highAmpThreshold)
 458              {
 459                if(time[ipmt]<besttimeA) {
 460                  //            if(TMath::Abs(time[ipmt])<TMath::Abs(besttimeA)) {
 461                  besttimeA=time[ipmt]; //timeA
 462                  pmtBestA=ipmt;
 463                }
 464              }
 465          }
 466        if(besttimeA < 999999)
 467          frecpoints->SetTimeBestA((besttimeA * channelWidth)- 1000.*fLatencyHPTDC + 1000.*fLatencyL1A - 1000.*fGRPdelays - fTimeMeanShift[1] );
 468        //        frecpoints->SetTimeBestA((besttimeA * channelWidth- fTimeMeanShift[1]));
 469
 470        if( besttimeC < 999999 )
 471          frecpoints->SetTimeBestC((besttimeC * channelWidth)- 1000.*fLatencyHPTDC +1000.*fLatencyL1C - 1000.*fGRPdelays - fTimeMeanShift[2]);
 472        // frecpoints->SetTimeBestC((besttimeC * channelWidth - fTimeMeanShift[2]));
 473        AliDebug(5,Form(" pmtA %i besttimeA %f shift A %f ps, pmtC %i besttimeC %f shiftC %f ps",
 474                        pmtBestA,besttimeA, fTimeMeanShift[1],
 475                        pmtBestC,  besttimeC,fTimeMeanShift[2]));
 476         if(besttimeA <999999 && besttimeC < 999999 ){
 477           //     timeDiff = ( besttimeA - besttimeC)* 0.001* channelWidth + fLatencyL1A - fLatencyL1C;
 478           timeclock = channelWidth * Float_t( besttimeA+besttimeC)/2. - 1000.*fLatencyHPTDC + 1000.*fLatencyL1 - 1000.*fGRPdelays - fTimeMeanShift[0] ;
 479          meanTime = (besttimeA+besttimeC-2.*Float_t(ref))/2.;
 480          timeDiff = ( besttimeA - besttimeC)* 0.001* channelWidth ;
 481          // timeclock = channelWidth * Float_t( besttimeA+besttimeC)/2. - fTimeMeanShift[0] ;
 482          vertex =  meanVertex - c*(timeDiff)/2. ; //+ (fdZonA - fdZonC)/2;
 483         }
 484       }  //if phys event
 485       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));
 486       frecpoints->SetT0clock(timeclock);
 487       frecpoints->SetVertex(vertex);
 488       frecpoints->SetMeanTime(meanTime);
 489       frecpoints->SetOnlineMean(Int_t(onlineMean));
 490         // Set triggers
 491
 492       Bool_t tr[5];
 493       Int_t trchan[5]= {50,51,52,55,56};
 494       for (Int_t i=0; i<5; i++) tr[i] = false;
 495       for (Int_t itr=0; itr<5; itr++) {
 496         for (Int_t iHit=0; iHit<1; iHit++)
 497           {
 498             Int_t trr=trchan[itr];
 499             if( allData[trr][iHit] > 0)  tr[itr]=true;
 500
 501             AliDebug(1,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]));
 502           }
 503       }
 504       frecpoints->SetT0Trig(tr);
 505
 506       for (Int_t iHit=0; iHit<5; iHit++)
 507         {
 508           tvdc = ora = orc = -9999;
 509           if(allData[50][iHit]>0)
 510             tvdc = (Float_t(allData[50][iHit]) - meanTVDC) * channelWidth* 0.001;
 511           if(allData[51][iHit]>0)
 512             ora = (Float_t(allData[51][iHit]) - meanOrA) * channelWidth* 0.001;
 513
 514           if(allData[52][iHit]>0)
 515             orc = (Float_t(allData[52][iHit]) - meanOrC) * channelWidth* 0.001;
 516
 517           frecpoints->SetOrC( iHit, orc);
 518           frecpoints->SetOrA( iHit, ora);
 519           frecpoints->SetTVDC( iHit, tvdc);
 520           for (Int_t i0=0; i0<12; i0++) {
 521             timefull = -9999;
 522             if(allData[i0+1][iHit]>1)
 523               timefull = (Float_t(allData[i0+1][iHit])-fTime0vertex[i0] - timeDelayCFD[i0])* channelWidth* 0.001;
 524             frecpoints->SetTimeFull(i0, iHit,timefull) ;
 525             //      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);
 526
 527           }
 528
 529           for (Int_t i0=12; i0<24; i0++) {
 530             timefull = -9999;
 531             if(allData[i0+45][iHit]>1) {
 532               timefull = (Float_t(allData[i0+45][iHit])-fTime0vertex[i0])* channelWidth* 0.001;
 533             }
 534             //  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);
 535             frecpoints->SetTimeFull(i0, iHit, timefull) ;
 536           }
 537         }
 538
 539
 540       //Set MPD
 541       if(allData[53][0]>0 && allData[54][0])
 542         frecpoints->SetMultA(allData[53][0]-allData[54][0]);
 543       if(allData[105][0]>0 && allData[106][0])
 544         frecpoints->SetMultC(allData[105][0]-allData[106][0]);
 545
 546
 547     } // if (else )raw data
 548   recTree->Fill();
 549   if(frecpoints) delete frecpoints;
 550 }
 551
 552
 553   //____________________________________________________________
 554
 555   void AliT0Reconstructor::FillESD(TTree */*digitsTree*/, TTree *clustersTree, AliESDEvent *pESD) const
 556   {
 557
 558   /***************************************************
 559   Resonstruct digits to vertex position
 560   ****************************************************/
 561
 562   AliDebug(1,Form("Start FillESD T0"));
 563   if(!pESD) {
 564     AliError("No ESD Event");
 565     return;
 566   }
 567   pESD ->SetT0spread(fTimeSigmaShift);
 568
 569
 570   Float_t channelWidth = fParam->GetChannelWidth() ;
 571   Float_t c = 0.0299792458; // cm/ps
 572   Float_t currentVertex=0, shift=0;
 573   Int_t ncont=-1;
 574   const AliESDVertex* vertex = pESD->GetPrimaryVertex();
 575   if (!vertex)        vertex = pESD->GetPrimaryVertexSPD();
 576   if (!vertex)        vertex = pESD->GetPrimaryVertexTPC();
 577   if (!vertex)        vertex = pESD->GetVertex();
 578
 579   if (vertex) {
 580     AliDebug(2, Form("Got %s (%s) from ESD: %f",
 581                     vertex->GetName(), vertex->GetTitle(), vertex->GetZ()));
 582     currentVertex = vertex->GetZ();
 583
 584     ncont = vertex->GetNContributors();
 585     if(ncont>0 ) {
 586       shift = currentVertex/c;
 587     }
 588   }
 589   TTree *treeR = clustersTree;
 590
 591   AliT0RecPoint* frecpoints= new AliT0RecPoint ();
 592   if (!frecpoints) {
 593     AliError("Reconstruct Fill ESD >> no recpoints found");
 594     return;
 595   }
 596
 597   AliDebug(1,Form("Start FillESD T0"));
 598   TBranch *brRec = treeR->GetBranch("T0");
 599   if (brRec) {
 600     brRec->SetAddress(&frecpoints);
 601   }else{
 602     AliError(Form("EXEC Branch T0 rec not found"));
 603     return;
 604   }
 605
 606   brRec->GetEntry(0);
 607   Double32_t amp[24], time[24], ampQTC[24], timecorr[24];
 608   Double32_t* tcorr;
 609   for(Int_t i=0; i<24; i++)
 610     amp[i]=time[i]=ampQTC[i]=timecorr[i]=0;
 611
 612
 613   Double32_t timeClock[3];
 614   Double32_t zPosition = frecpoints -> GetVertex();
 615   Double32_t timeStart = frecpoints -> GetMeanTime();
 616   timeClock[0] = frecpoints -> GetT0clock() ;
 617   timeClock[1] = frecpoints -> GetBestTimeA() + shift;
 618   timeClock[2] = frecpoints -> GetBestTimeC() - shift;
 619
 620   for ( Int_t i=0; i<24; i++) {
 621     time[i] =  frecpoints -> GetTime(i); // ps to ns
 622     //    if ( time[i] >1) {
 623     if ( time[i] != 0) {
 624       ampQTC[i] = frecpoints -> GetAmp(i);
 625       amp[i] = frecpoints -> AmpLED(i);
 626       AliDebug(1,Form("T0: %i  time %f  ampQTC %f ampLED %f \n", i, time[i], ampQTC[i], amp[i]));
 627    }
 628   }
 629   Int_t trig= frecpoints ->GetT0Trig();
 630   frecpoints->PrintTriggerSignals( trig);
 631   printf(" FillESD trigger %i \n",trig);
 632   fESDTZERO->SetT0Trig(trig);
 633   //pESD->SetT0Trig(trig);
 634   //  pESD->SetT0zVertex(zPosition); //vertex Z position
 635   fESDTZERO->SetT0zVertex(zPosition); //vertex Z position
 636
 637   Double32_t multA=frecpoints ->GetMultA();
 638   Double32_t multC=frecpoints ->GetMultC();
 639   //  pESD->SetT0(multC);        // multiplicity Cside
 640   //  pESD->SetT0clock(multA);        // multiplicity Aside
 641   fESDTZERO->SetMultA(multA); // for backward compatubility
 642   fESDTZERO->SetMultC(multC); // for backward compatubility
 643
 644
 645   for (Int_t iHit =0; iHit<5; iHit++ ) {
 646        AliDebug(10,Form("FillESD ::: iHit %i tvdc %f orA %f orC %f\n", iHit,
 647            frecpoints->GetTVDC(iHit),
 648            frecpoints->GetOrA(iHit),
 649                        frecpoints->GetOrC(iHit) ));
 650     fESDTZERO->SetTVDC(iHit,frecpoints->GetTVDC(iHit));
 651     fESDTZERO->SetOrA(iHit,frecpoints->GetOrA(iHit));
 652     fESDTZERO->SetOrC(iHit,frecpoints->GetOrC(iHit));
 653
 654     for (Int_t i0=0; i0<24; i0++) {
 655       //  if(frecpoints->GetTimeFull(i0,iHit)>0){
 656       //        printf("FillESD ::: iHit %i cfd %i time %f \n", iHit, i0, frecpoints->GetTimeFull(i0,iHit));
 657         fESDTZERO->SetTimeFull(i0, iHit,frecpoints->GetTimeFull(i0,iHit));
 658         // }
 659
 660     }
 661   }
 662   for(Int_t i=0; i<3; i++)
 663     fESDTZERO->SetT0TOF(i,timeClock[i]);   // interaction time (ns)
 664   fESDTZERO->SetT0time(time);         // best TOF on each PMT
 665   fESDTZERO->SetT0amplitude(ampQTC);     // number of particles(MIPs) on each PMT
 666
 667   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));
 668
 669
 670
 671   if (pESD) {
 672
 673     AliESDfriend *fr = (AliESDfriend*)pESD->FindListObject("AliESDfriend");
 674     if (fr) {
 675       AliDebug(10, Form("Writing TZERO friend data to ESD tree"));
 676
 677       //     if (ncont>2) {
 678         tcorr = fESDTZEROfriend->GetT0timeCorr();
 679         for ( Int_t i=0; i<24; i++) {
 680           if(i<12 && time[i]>1) timecorr[i] = tcorr[i] -  shift/channelWidth;
 681           if(i>11 && time[i]>1) timecorr[i] = tcorr[i] +  shift/channelWidth;
 682           if(time[i]>1)   AliDebug(10,Form("T0 friend : %i time %f  ampQTC %f ampLED %f \n", i, timecorr[i], ampQTC[i], amp[i]));
 683         }
 684         fESDTZEROfriend->SetT0timeCorr( timecorr) ;
 685         fESDTZEROfriend->SetT0ampLEDminCFD(amp);
 686         fESDTZEROfriend->SetT0ampQTC(ampQTC);
 687         fr->SetTZEROfriend(fESDTZEROfriend);
 688         //      }//
 689     }
 690
 691     pESD->SetTZEROData(fESDTZERO);
 692   }
 693
 694
 695 } // vertex in 3 sigma
 696
 697
 698
 699
 700
 701