]> git.uio.no Git - u/mrichter/AliRoot.git/blobdiff - T0/AliT0Reconstructor.cxx
Fixes for #73467: Corrupted MUON hits when using AliRoot with Root v5.27/05 and v5...
[u/mrichter/AliRoot.git] / T0 / AliT0Reconstructor.cxx
index bf667e4b397f70e0b8f9f59fb38dd6eb7582e097..3245a15c8b79fd5df2901502abbc9b7605b13425 100644 (file)
@@ -1,3 +1,4 @@
+
 /**************************************************************************
  * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
  *                                                                        *
 #include "AliT0Parameters.h"
 #include "AliT0Calibrator.h"
 #include "AliESDfriend.h"
+#include "AliESDTZEROfriend.h"
+#include "AliLog.h"
+#include "AliCDBEntry.h" 
+#include "AliCDBManager.h"
+#include "AliCTPTimeParams.h"
+#include "AliLHCClockPhase.h"
 
 #include <TArrayI.h>
 #include <TGraph.h>
@@ -51,10 +58,27 @@ ClassImp(AliT0Reconstructor)
                                              fLatencyHPTDC(9000),
                                              fLatencyL1(0),
                                              fLatencyL1A(0),
-                                             fLatencyL1C(0)
+                                             fLatencyL1C(0),
+                                            fGRPdelays(0),
+                                             fESDTZEROfriend(NULL)
 
 {
   //constructor
+  AliCDBEntry *entry = AliCDBManager::Instance()->Get("GRP/CTP/CTPtiming");
+  if (!entry) AliFatal("CTP timing parameters are not found in OCDB !");
+  AliCTPTimeParams *ctpParams = (AliCTPTimeParams*)entry->GetObject();
+  Float_t l1Delay = (Float_t)ctpParams->GetDelayL1L0()*25.0;
+
+  AliCDBEntry *entry1 = AliCDBManager::Instance()->Get("GRP/CTP/TimeAlign");
+  if (!entry1) AliFatal("CTP time-alignment is not found in OCDB !");
+  AliCTPTimeParams *ctpTimeAlign = (AliCTPTimeParams*)entry1->GetObject();
+  l1Delay += ((Float_t)ctpTimeAlign->GetDelayL1L0()*25.0);
+  AliCDBEntry *entry4 = AliCDBManager::Instance()->Get("GRP/Calib/LHCClockPhase");
+  if (!entry4) AliFatal("LHC clock-phase shift is not found in OCDB !");
+  AliLHCClockPhase *phase = (AliLHCClockPhase*)entry4->GetObject();
+
+  fGRPdelays = l1Delay - phase->GetMeanPhase();
 
   fParam = AliT0Parameters::Instance();
   fParam->Init();
@@ -72,13 +96,16 @@ ClassImp(AliT0Reconstructor)
   fLatencyL1A = fParam->GetLatencyL1A();
   fLatencyL1C = fParam->GetLatencyL1C();
   fLatencyHPTDC = fParam->GetLatencyHPTDC();
-  AliDebug(10,Form(" LatencyL1 %f latencyL1A %f latencyL1C %f latencyHPTDC %f \n",fLatencyL1, fLatencyL1A, fLatencyL1C, fLatencyHPTDC));
+  AliDebug(2,Form(" LatencyL1 %f latencyL1A %f latencyL1C %f latencyHPTDC %f \n",fLatencyL1, fLatencyL1A, fLatencyL1C, fLatencyHPTDC));
   
   // fdZonC = TMath::Abs(fParam->GetZPositionShift("T0/C/PMT1"));
   //fdZonA = TMath::Abs(fParam->GetZPositionShift("T0/A/PMT15"));
-
+  //here real Z position
+  fdZonC = TMath::Abs(fParam->GetZPosition("T0/C/PMT1"));
+  fdZonA = TMath::Abs(fParam->GetZPosition("T0/A/PMT15"));
 
   fCalib = new AliT0Calibrator();
+  fESDTZEROfriend = new AliESDTZEROfriend();
 
 }
 
@@ -87,7 +114,7 @@ void AliT0Reconstructor::Reconstruct(TTree*digitsTree, TTree*clustersTree) const
   
 {
   // T0 digits reconstruction
-  Int_t refAmp = GetRecoParam()->GetRefAmp();
+  Int_t refAmp = Int_t (GetRecoParam()->GetRefAmp());
   
   TArrayI * timeCFD = new TArrayI(24); 
   TArrayI * timeLED = new TArrayI(24); 
@@ -132,7 +159,7 @@ void AliT0Reconstructor::Reconstruct(TTree*digitsTree, TTree*clustersTree) const
   Int_t pmtBestC=99999;
   
   AliT0RecPoint* frecpoints= new AliT0RecPoint ();
-  clustersTree->Branch( "T0", "AliT0RecPoint" ,&frecpoints, 405,1);
+  clustersTree->Branch( "T0", "AliT0RecPoint" ,&frecpoints);
   
   Float_t time[24], adc[24];
   for (Int_t ipmt=0; ipmt<24; ipmt++) {
@@ -142,20 +169,20 @@ void AliT0Reconstructor::Reconstruct(TTree*digitsTree, TTree*clustersTree) const
       else
        adc[ipmt] = 0;
       
-     // time[ipmt] = fCalib-> WalkCorrection(refAmp, ipmt, adc[ipmt],  timeCFD->At(ipmt)) ;
+     time[ipmt] = fCalib-> WalkCorrection(refAmp, ipmt, Int_t(adc[ipmt]),  timeCFD->At(ipmt)) ;
             
       Double_t sl = Double_t(timeLED->At(ipmt) - timeCFD->At(ipmt));
-      time[ipmt] = fCalib-> WalkCorrection( refAmp,ipmt, Int_t(sl),  timeCFD->At(ipmt) ) ;
+      //    time[ipmt] = fCalib-> WalkCorrection( refAmp,ipmt, Int_t(sl),  timeCFD->At(ipmt) ) ;
       AliDebug(10,Form(" ipmt %i QTC %i , time in chann %i (led-cfd) %i ",
                       ipmt, Int_t(adc[ipmt]) ,Int_t(time[ipmt]),Int_t( sl)));
 
       Double_t ampMip =((TGraph*)fAmpLED.At(ipmt))->Eval(sl);
       Double_t qtMip = ((TGraph*)fQTC.At(ipmt))->Eval(adc[ipmt]);
-      AliDebug(10,Form("  Amlitude in MIPS LED %f ,  QTC %f in channels %i\n ",ampMip,qtMip, adc[ipmt]));
+      AliDebug(10,Form("  Amlitude in MIPS LED %f ,  QTC %f in channels %f\n ",ampMip,qtMip, adc[ipmt]));
       
       frecpoints->SetTime(ipmt, Float_t(time[ipmt]) );
-      frecpoints->SetAmp(ipmt, Float_t( ampMip)); //for cosmic &pp beam 
-      frecpoints->SetAmpLED(ipmt, Float_t(qtMip));
+      frecpoints->SetAmpLED(ipmt, Float_t( ampMip)); //for cosmic &pp beam 
+      frecpoints->SetAmp(ipmt, Float_t(qtMip));
       
     }
     else {
@@ -180,11 +207,11 @@ void AliT0Reconstructor::Reconstruct(TTree*digitsTree, TTree*clustersTree) const
     }
   }
   if(besttimeA < 999999) {
-    frecpoints->SetTimeBestA(Int_t(besttimeA *channelWidth));
+    frecpoints->SetTimeBestA(Int_t(besttimeA *channelWidth - fdZonA/c));
     tr[1]=true;
   }
   if( besttimeC < 999999 ) {
-    frecpoints->SetTimeBestC(Int_t(besttimeC *channelWidth));
+    frecpoints->SetTimeBestC(Int_t(besttimeC *channelWidth - fdZonA/c));
     tr[2]=true;
   }
   AliDebug(10,Form(" besttimeA %f ch,  besttimeC %f ch",besttimeA, besttimeC));
@@ -192,7 +219,7 @@ void AliT0Reconstructor::Reconstruct(TTree*digitsTree, TTree*clustersTree) const
     //    timeDiff = (besttimeC - besttimeA)*channelWidth;
     timeDiff = (besttimeA - besttimeC)*channelWidth;
     meanTime = (besttimeA + besttimeC)/2;// * channelWidth); 
-    timeclock = meanTime *channelWidth ;
+    timeclock = meanTime *channelWidth -fdZonA/c ;
     vertex = meanVertex - c*(timeDiff)/2.;// + (fdZonA - fdZonC)/2;
     tr[0]=true; 
   }
@@ -201,14 +228,11 @@ void AliT0Reconstructor::Reconstruct(TTree*digitsTree, TTree*clustersTree) const
   frecpoints->SetT0clock(timeclock);
   frecpoints->SetT0Trig(tr);
 
-  for (Int_t i=0; i<5; i++) {
-    printf(" T0 trigers %i ",tr[i]);
-  }
-    printf(" \n ");
+  AliDebug(10,Form("T0 triggers %d %d %d %d %d",tr[0],tr[1],tr[2],tr[3],tr[4]));
 
   //online mean
   frecpoints->SetOnlineMean(Int_t(onlineMean));
-  AliDebug(10,Form("  timeDiff %i #channel,  meanTime %i #channel, vertex %f cm online mean %i timeclock %i ps",timeDiff, meanTime,vertex, Int_t(onlineMean), timeclock));
+  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));
   
   
 
@@ -231,8 +255,11 @@ void AliT0Reconstructor::Reconstruct(AliRawReader* rawReader, TTree*recTree) con
   //
   // reference amplitude and time ref. point from reco param
 
-  Int_t refAmp = GetRecoParam()->GetRefAmp();
-  Int_t refPoint = GetRecoParam()->GetRefPoint();
+  Float_t refAmp = GetRecoParam()->GetRefAmp();
+  Int_t refPoint = 0;
+  //Bad channel
+  Int_t badpmt = GetRecoParam()->GetRefPoint();
+  Int_t low[110], high[110];
 
   Int_t allData[110][5];
   
@@ -243,11 +270,11 @@ void AliT0Reconstructor::Reconstruct(AliRawReader* rawReader, TTree*recTree) con
   Int_t onlineMean=0;
   // Float_t meanVertex = fParam->GetMeanVertex();
   Float_t meanVertex = 0;
-
-  AliDebug(1,Form(" @@@@ Latency ",fLatencyL1));
   for (Int_t i0=0; i0<105; i0++)
     {
-      for (Int_t j0=0; j0<5; j0++) allData[i0][j0]=0;  
+      for (Int_t j0=0; j0<5; j0++) allData[i0][j0]=0; 
+      low[i0] = Int_t (GetRecoParam()->GetLow(i0));    
+      high[i0] = Int_t (GetRecoParam()->GetHigh(i0));
     }
    
   Double32_t besttimeA=9999999;
@@ -257,7 +284,7 @@ void AliT0Reconstructor::Reconstruct(AliRawReader* rawReader, TTree*recTree) con
    
   AliT0RecPoint* frecpoints= new AliT0RecPoint ();
   
-  recTree->Branch( "T0", "AliT0RecPoint" ,&frecpoints, 405,1);
+  recTree->Branch( "T0", "AliT0RecPoint" ,&frecpoints);
    
   AliDebug(10," before read data ");
   AliT0RawReader myrawreader(rawReader);
@@ -268,108 +295,160 @@ void AliT0Reconstructor::Reconstruct(AliRawReader* rawReader, TTree*recTree) con
     AliDebug(1,Form(" no raw data found!!"));
   else
     {  
-      if(type == 7) {  //only physics 
-      for (Int_t i=0; i<105; i++) {
+   for (Int_t i=0; i<24; i++)
+    {
+      timeCFD[i]=0; timeLED[i]=0; chargeQT0[i]=0; chargeQT1[i]=0;
+    }
+     Int_t fBCID=Int_t (rawReader->GetBCID());
+      Int_t trmbunch= myrawreader.GetTRMBunchID();
+      AliDebug(10,Form(" CDH BC ID %i, TRM BC ID %i \n", fBCID, trmbunch ));
+      if(type == 7  ) {  //only physics 
+       for (Int_t i=0; i<105; i++) {
        for (Int_t iHit=0; iHit<5; iHit++) 
          {
            allData[i][iHit] = myrawreader.GetData(i,iHit);
          }
-      }
-      Int_t ref=0;
-      if (refPoint>0) 
-      ref = allData[refPoint][0]-5000;
-
-      Float_t channelWidth = fParam->GetChannelWidth() ;  
-      
-      //       Int_t meanT0 = fParam->GetMeanT0();
-       
-         
-         for (Int_t in=0; in<12; in++)  
-           {
-             timeCFD[in] = allData[in+1][0] ;
-             timeCFD[in+12] = allData[in+56+1][0] ;
-             timeLED[in] = allData[in+12+1][0] ;
-             timeLED[in+12] = allData[in+68+1][0] ;
-             AliDebug(10, Form(" readed i %i cfdC %i cfdA %i ledC %i ledA%i ",
-                               in, timeCFD[in],timeCFD[in+12],timeLED[in], 
-                               timeLED[in+12]));   
-           }
-         
-         for (Int_t in=0; in<12;  in++)
-           {
-             chargeQT0[in]=allData[2*in+25][0];
-             chargeQT1[in]=allData[2*in+26][0];
-           }
-         
-          for (Int_t in=12; in<24;  in++)
-            {
-              chargeQT0[in]=allData[2*in+57][0];
-              chargeQT1[in]=allData[2*in+58][0];
-            }
-          
-          //    } //cosmic with physics event
-       for (Int_t in=0; in<24; in++)  
-        AliDebug(10, Form(" readed Raw %i %i %i %i %i",
-                          in, timeLED[in],timeCFD[in],chargeQT0[in],chargeQT1[in]));
-        onlineMean = allData[49][0];       
-       
-       Double32_t time[24], adc[24];
-       for (Int_t ipmt=0; ipmt<24; ipmt++) {
-        if(timeCFD[ipmt]>0 && timeLED[ipmt]>0){
+       }
+       Int_t ref=0;
+       if (refPoint>0) 
+         ref = allData[refPoint][0]-5000;
+       
+       Float_t channelWidth = fParam->GetChannelWidth() ;  
+       
+       //       Int_t meanT0 = fParam->GetMeanT0();
+       
+       for (Int_t in=0; in<12; in++)  
+         {
+           for (Int_t iHit=0; iHit<5; iHit++) 
+             {
+               if(allData[in+1][iHit] > low[in+1] && 
+                  allData[in+1][iHit] < high[in+1])
+                 {
+                   timeCFD[in] = allData[in+1][iHit] ; 
+                   break;
+                 }
+             }
+           for (Int_t iHit=0; iHit<5; iHit++) 
+             {
+               if(allData[in+12+1][iHit] > low[in+12+1] && 
+                  allData[in+1+12][iHit] < high[in+12+1])
+                 {
+                       timeLED[in] = allData[in+12+1][iHit] ;
+                       break;
+                 }
+             }
+           for (Int_t iHit=0; iHit<5; iHit++) 
+             {
+               if(allData[in+1+56][iHit] > low[in+1+56] && 
+                  allData[in+1+56][iHit] < high[in+1+56])
+                 {
+                   timeCFD[in+12] = allData[in+56+1][iHit] ;
+                   break;
+                 }
+             }
+           
+           for (Int_t iHit=0; iHit<5; iHit++) 
+             {
+               if(allData[in+1+68][iHit] > low[in+1+68] && 
+                  allData[in+1+68][iHit] < high[in+1+68])
+                 {
+                   timeLED[in+12] = allData[in+68+1][iHit] ;
+                   break;
+                 }
+             }
+           AliDebug(10, Form(" readed i %i cfdC %i cfdA %i ledC %i ledA%i ",
+                             in, timeCFD[in],timeCFD[in+12],timeLED[in], 
+                             timeLED[in+12]));   
+           
+         }
+       
+       
+       for (Int_t in=0; in<12;  in++)
+         {
+           chargeQT0[in]=allData[2*in+25][0];
+           chargeQT1[in]=allData[2*in+26][0];
+           AliDebug(10, Form(" readed Raw %i %i %i",
+                             in, chargeQT0[in],chargeQT1[in]));
+         }     
+       for (Int_t in=12; in<24;  in++)
+         {
+           chargeQT0[in]=allData[2*in+57][0];
+           chargeQT1[in]=allData[2*in+58][0];
+           AliDebug(10, Form(" readed Raw %i %i %i",
+                             in, chargeQT0[in],chargeQT1[in]));
+           
+         }
+       
+       for (Int_t iHit=0; iHit<5; iHit++) 
+         {
+             if(allData[49][iHit] > low[49] && 
+                allData[49][iHit] < high[49]){
+               onlineMean = allData[49][iHit];
+               break;
+             }
+         }
+       Double32_t time[24], adc[24],  noncalibtime[24];
+       for (Int_t ipmt=0; ipmt<24; ipmt++) {
+         if(timeCFD[ipmt]>0 ){
           //for simulated data
             //for physics  data
-          if(( chargeQT1[ipmt] - chargeQT0[ipmt])>0)  
+          if(( chargeQT0[ipmt] - chargeQT1[ipmt])>0)  {
             adc[ipmt] = chargeQT0[ipmt] - chargeQT1[ipmt];
+          }
           else
             adc[ipmt] = 0;
-          
-
-          //      time[ipmt] = fCalib-> WalkCorrection(refAmp, ipmt, adc[ipmt], timeCFD[ipmt] ) ;
+          time[ipmt] = fCalib-> WalkCorrection(Int_t (refAmp), ipmt, Int_t(adc[ipmt]), timeCFD[ipmt] ) ;
           
           Double_t sl = timeLED[ipmt] - timeCFD[ipmt];
-          time[ipmt] = fCalib-> WalkCorrection( refAmp,ipmt, Int_t(sl), timeCFD[ipmt] ) ;
-          AliDebug(10,Form(" ipmt %i QTC %i , time in chann %i (led-cfd) %i ",
+          // time[ipmt] = fCalib-> WalkCorrection( refAmp,ipmt, Int_t(sl), timeCFD[ipmt] ) ;
+          AliDebug(5,Form(" ipmt %i QTC %i , time in chann %i (led-cfd) %i ",
                            ipmt, Int_t(adc[ipmt]) ,Int_t(time[ipmt]),Int_t( sl)));
           Double_t ampMip =( (TGraph*)fAmpLED.At(ipmt))->Eval(sl);
           Double_t qtMip = ((TGraph*)fQTC.At(ipmt))->Eval(adc[ipmt]);
-          AliDebug(10,Form("  Amlitude in MIPS LED %f ; QTC %f;  in channels %i\n ",ampMip,qtMip, adc[ipmt]));
-            
-          frecpoints->SetTime(ipmt, Float_t(time[ipmt]) );
-          // frecpoints->SetTime(ipmt,Double32_t(timeCFD[ipmt]));
-          frecpoints->SetAmpLED(ipmt, Double32_t( qtMip)); //for cosmic &pp beam 
-          frecpoints->SetAmp(ipmt, Double32_t(ampMip));
-            
+          AliDebug(10,Form("  Amlitude in MIPS LED %f ; QTC %f;  in channels %f\n ",ampMip,qtMip, adc[ipmt]));
+          //bad peak removing
+            frecpoints->SetTime(ipmt, Float_t(time[ipmt]) );
+            // frecpoints->SetTime(ipmt,Double32_t(timeCFD[ipmt]));
+            frecpoints->SetAmp(ipmt, Double32_t( qtMip)); //for cosmic &pp beam 
+            frecpoints->SetAmpLED(ipmt, Double32_t(ampMip));        
+            noncalibtime[ipmt]= Double32_t (timeCFD[ipmt]);
         }
         else {
           time[ipmt] = 0;
           adc[ipmt] = 0;
+          noncalibtime[ipmt] = 0;
         }
        }
-       
+       fESDTZEROfriend->SetT0timeCorr(noncalibtime) ;     
        for (Int_t ipmt=0; ipmt<12; ipmt++){
-        if(time[ipmt] > 1 ) {
-          if(time[ipmt]<besttimeC){
-            besttimeC=time[ipmt]; //timeC
-            pmtBestC=ipmt;
+        if(time[ipmt] > 1 && ipmt != badpmt && adc[ipmt]>0.1 )
+          {
+            if(time[ipmt]<besttimeC){
+              besttimeC=time[ipmt]; //timeC
+              pmtBestC=ipmt;
+            }
           }
-        }
        }
-       for ( Int_t ipmt=12; ipmt<24; ipmt++){
-        if(time[ipmt] > 1) {
-          if(time[ipmt]<besttimeA) {
-            besttimeA=time[ipmt]; //timeA
-            pmtBestA=ipmt;}
+       for ( Int_t ipmt=12; ipmt<24; ipmt++)
+        {
+          if(time[ipmt] > 1 && ipmt != badpmt && adc[ipmt]>0.1)
+            {
+              if(time[ipmt]<besttimeA) {
+                besttimeA=time[ipmt]; //timeA
+                pmtBestA=ipmt;
+              }
+            }
         }
-       }
        if(besttimeA < 999999) 
-        frecpoints->SetTimeBestA(0.001* besttimeA * channelWidth - fLatencyHPTDC + fLatencyL1A);
+        frecpoints->SetTimeBestA(besttimeA * channelWidth - 1000.*fLatencyHPTDC + 1000.*fLatencyL1A - 1000.*fGRPdelays);
        if( besttimeC < 999999 ) 
-        frecpoints->SetTimeBestC( 0.001 *besttimeC * channelWidth - fLatencyHPTDC + fLatencyL1C);
+        frecpoints->SetTimeBestC(besttimeC * channelWidth - 1000.*fLatencyHPTDC +1000.*fLatencyL1C - 1000.*fGRPdelays);
        AliDebug(10,Form(" pmtA %i besttimeA %f ps, pmtC %i besttimeC %f ps",
                       pmtBestA,besttimeA, pmtBestC,  besttimeC));
         if(besttimeA <999999 && besttimeC < 999999 ){
-        timeDiff = ( besttimeA - besttimeC) *0.001 * channelWidth + fLatencyL1A - fLatencyL1C;
-        timeclock = 0.001*channelWidth * Float_t( besttimeA+besttimeC)/2. - fLatencyHPTDC + fLatencyL1;  
+        timeDiff = ( besttimeA - besttimeC)* 0.001* channelWidth + fLatencyL1A - fLatencyL1C;
+        timeclock = channelWidth * Float_t( besttimeA+besttimeC)/2. - 1000.*fLatencyHPTDC + 1000.*fLatencyL1 - 1000.*fGRPdelays;  
         meanTime = (besttimeA+besttimeC-2.*Float_t(ref))/2.;
         vertex =  meanVertex - c*(timeDiff)/2. ; //+ (fdZonA - fdZonC)/2; 
        }
@@ -385,11 +464,16 @@ void AliT0Reconstructor::Reconstruct(AliRawReader* rawReader, TTree*recTree) con
       Int_t trchan[5]= {50,51,52,55,56};
       for (Int_t i=0; i<5; i++) tr[i]=false; 
       for (Int_t itr=0; itr<5; itr++) {
-       if(allData[trchan[itr]][0]>0) tr[itr]=true;
-       frecpoints->SetT0Trig(tr);
+       for (Int_t iHit=0; iHit<5; iHit++) 
+         {
+           Int_t trr=trchan[itr];
+           if(allData[trr][iHit] > low[trr] &&
+              allData[trr][iHit] < high[trr]&&
+              allData[trr][iHit] > 0) tr[itr]=true;
+         }
       }
-      
-    } // if (else )raw data
+      frecpoints->SetT0Trig(tr);
+     } // if (else )raw data
   recTree->Fill();
   if(frecpoints) delete frecpoints;
 }
@@ -406,7 +490,7 @@ void AliT0Reconstructor::Reconstruct(AliRawReader* rawReader, TTree*recTree) con
   
   AliDebug(1,Form("Start FillESD T0"));
   Float_t channelWidth = fParam->GetChannelWidth() ;  
-  Float_t c = 29.9792458; // cm/ns
+  Float_t c = 0.0299792458; // cm/ps
   Float_t currentVertex=0, shift=0;
   Int_t ncont=0;
   const AliESDVertex* vertex = pESD->GetPrimaryVertex();
@@ -420,16 +504,15 @@ void AliT0Reconstructor::Reconstruct(AliRawReader* rawReader, TTree*recTree) con
     currentVertex = vertex->GetZ();
     
     ncont = vertex->GetNContributors();
-    // cout<<" spdver "<<spdver<<" ncont "<<ncont<<endl;
+    //  cout<<"@@ spdver "<<spdver<<" ncont "<<ncont<<endl;
     if(ncont>2 ) {
       shift = currentVertex/c;
-      //         cout<<" vertex shif "<<shift<<" vertex "<<spdver<<" IsFromVertexer3D  "<<fverSPD->IsFromVertexer3D()<<endl;
     }
   }
   TTree *treeR = clustersTree;
   
-   AliT0RecPoint* frecpoints= new AliT0RecPoint ();
-    if (!frecpoints) {
+  AliT0RecPoint* frecpoints= new AliT0RecPoint ();
+  if (!frecpoints) {
     AliError("Reconstruct Fill ESD >> no recpoints found");
     return;
   }
@@ -442,51 +525,62 @@ void AliT0Reconstructor::Reconstruct(AliRawReader* rawReader, TTree*recTree) con
     AliError(Form("EXEC Branch T0 rec not found"));
     return;
   } 
+  
+  brRec->GetEntry(0);
+  Double32_t amp[24], time[24], ampQTC[24], timecorr[24];  
+  Double32_t* tcorr;
+  for(Int_t i=0; i<24; i++) 
+    amp[i]=time[i]=ampQTC[i]=timecorr[i]=0;
+
+  Double32_t timeClock[3];
+  Double32_t zPosition = frecpoints -> GetVertex();
+  Double32_t timeStart = frecpoints -> GetMeanTime();
+  timeClock[0] = frecpoints -> GetT0clock() ;
+  timeClock[1] = frecpoints -> GetBestTimeA() + shift;
+  timeClock[2] = frecpoints -> GetBestTimeC() - shift;
+  for ( Int_t i=0; i<24; i++) {
+    time[i] =  frecpoints -> GetTime(i); // ps to ns
+    if ( time[i] >1) {
+      ampQTC[i] = frecpoints -> GetAmp(i);
+      amp[i] = frecpoints -> AmpLED(i);
+      AliDebug(1,Form("T0: time %f  ampQTC %f ampLED %f \n", time[i], ampQTC[i], amp[i]));
+   }
+  }
+  Int_t trig= frecpoints ->GetT0Trig();
+  pESD->SetT0Trig(trig);
+  
+  pESD->SetT0zVertex(zPosition); //vertex Z position 
+  pESD->SetT0(timeStart);        // interaction time 
+  for(Int_t i=0; i<3; i++) 
+    pESD->SetT0TOF(i,timeClock[i]);   // interaction time (ns) 
+  pESD->SetT0time(time);         // best TOF on each PMT 
+  pESD->SetT0amplitude(ampQTC);     // number of particles(MIPs) on each PMT
+  
+  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));
+  
+  if (pESD) {
     
-    brRec->GetEntry(0);
-    Double32_t amp[24], time[24], ampQTC[24], timecorr[24];  
-    Double32_t timeClock[3];
-    Double32_t zPosition = frecpoints -> GetVertex();
-    Double32_t timeStart = frecpoints -> GetMeanTime();
-    timeClock[0] = frecpoints -> GetT0clock() ;
-    timeClock[1] = frecpoints -> GetBestTimeA() + shift;
-    timeClock[2] = frecpoints -> GetBestTimeC() - shift;
-    for ( Int_t i=0; i<24; i++) {
-      time[i] =  frecpoints -> GetTime(i); // ps to ns
-      amp[i] = frecpoints -> GetAmp(i);
-      ampQTC[i] = frecpoints -> AmpLED(i);
-    }
-    Int_t trig= frecpoints ->GetT0Trig();
-    pESD->SetT0Trig(trig);
-    
-    pESD->SetT0zVertex(zPosition); //vertex Z position 
-    pESD->SetT0(timeStart);        // interaction time 
-    for(Int_t i=0; i<3; i++) 
-      pESD->SetT0TOF(i,timeClock[i]);   // interaction time (ns) 
-    pESD->SetT0time(time);         // best TOF on each PMT 
-    pESD->SetT0amplitude(amp);     // number of particles(MIPs) on each PMT
-    
-    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));
-
-    /* if (pESD) {
-     AliESDfriend *fr = (AliESDfriend*)pESD->FindListObject("AliESDfriend");
-     if (fr) {
-        AliDebug(1, Form("Writing TZERO friend data to ESD tree"));
-
-       if (ncont>2) {
-         for ( Int_t i=0; i<24; i++) {
-           if(i<12) timecorr[i]=time[i]-shift*channelWidth;
-           if(i>11) timecorr[i]=time[i]-shift*channelWidth;
-           fr->SetT0timeCorr(timecorr) ;
-         }
-            fr->SetT0ampLEDminCFD(amp);
-            fr->SetT0ampQTC(ampQTC);
+    AliESDfriend *fr = (AliESDfriend*)pESD->FindListObject("AliESDfriend");
+    if (fr) {
+      AliDebug(1, Form("Writing TZERO friend data to ESD tree"));
+
+      //     if (ncont>2) {
+       tcorr = fESDTZEROfriend->GetT0timeCorr();
+       for ( Int_t i=0; i<24; i++) {
+         if(i<12 && time[i]>1) timecorr[i] = tcorr[i] -  shift/channelWidth;
+         if(i>11 && time[i]>1) timecorr[i] = tcorr[i] +  shift/channelWidth;
+         if(time[i]>1)   AliDebug(1,Form("T0 friend : time %f  ampQTC %f ampLED %f \n", timecorr[i], ampQTC[i], amp[i]));
        }
+       fESDTZEROfriend->SetT0timeCorr( timecorr) ;
+       fESDTZEROfriend->SetT0ampLEDminCFD(amp);
+       fESDTZEROfriend->SetT0ampQTC(ampQTC);
+       fr->SetTZEROfriend(fESDTZEROfriend);
+       //      }//
     }
   }
-    */
-    
-    
+     
+
+
 } // vertex in 3 sigma