[u/mrichter/AliRoot.git] / T0 / AliT0Reconstructor.cxx

/**************************************************************************
 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
 *                                                                        *
 * Author: The ALICE Off-line Project.                                    *
 * Contributors are mentioned in the code where appropriate.              *
 *                                                                        *
 * Permission to use, copy, modify and distribute this software and its   *
 * documentation strictly for non-commercial purposes is hereby granted   *
 * without fee, provided that the above copyright notice appears in all   *
 * copies and that both the copyright notice and this permission notice   *
 * appear in the supporting documentation. The authors make no claims     *
 * about the suitability of this software for any purpose. It is          *
 * provided "as is" without express or implied warranty.                  *
 **************************************************************************/

/* $Id$ */
/*********************************************************************
 *  T0 reconstruction and filling ESD
 *  - reconstruct mean time (interation time) 
 *  - vertex position
 *  -  multiplicity
 ********************************************************************/

#include <AliESDEvent.h>
#include "AliLog.h"
#include "AliT0RecPoint.h"
#include "AliRawReader.h"
#include "AliT0RawReader.h"
#include "AliT0digit.h"
#include "AliT0Reconstructor.h"
#include "AliT0Parameters.h"
#include "AliT0Calibrator.h"

#include <TArrayI.h>
#include <TGraph.h>
#include <TMath.h>
#include <Riostream.h>

ClassImp(AliT0Reconstructor)

  AliT0Reconstructor:: AliT0Reconstructor(): AliReconstructor(),
					     fdZonA(0),
					     fdZonC(0),
					     fZposition(0),
					     fParam(NULL),
					     fAmpLEDrec(),
					     fQTC(0),
					     fAmpLED(0),
					     fCalib()
{
  //constructor

 AliDebug(1,"Start reconstructor ");
  
  fParam = AliT0Parameters::Instance();
  fParam->Init();
   TString option = GetOption(); 
 
  for (Int_t i=0; i<24; i++){
        TGraph* gr = fParam ->GetAmpLEDRec(i);
	if (gr) fAmpLEDrec.AddAtAndExpand(gr,i) ; 
	  TGraph* gr1 = fParam ->GetAmpLED(i);
	  if (gr1) fAmpLED.AddAtAndExpand(gr1,i) ; 
	  TGraph* gr2 = fParam ->GetQTC(i);
	  if (gr2) fQTC.AddAtAndExpand(gr2,i) ; 
	
  }
  
  fdZonC = TMath::Abs(fParam->GetZPositionShift("T0/C/PMT1"));
  fdZonA = TMath::Abs(fParam->GetZPositionShift("T0/A/PMT15"));
  fCalib = new AliT0Calibrator();

}
//____________________________________________________________________

AliT0Reconstructor::AliT0Reconstructor(const AliT0Reconstructor &r):
  AliReconstructor(r),
					     fdZonA(0),
					     fdZonC(0),
					     fZposition(0),
					     fParam(NULL),
                                             fAmpLEDrec(),
					     fQTC(0),
					     fAmpLED(0),
					     fCalib()

 {
  //
  // AliT0Reconstructor copy constructor
  //

  ((AliT0Reconstructor &) r).Copy(*this);

}

//_____________________________________________________________________________
AliT0Reconstructor &AliT0Reconstructor::operator=(const AliT0Reconstructor &r)
{
  //
  // Assignment operator
  //

  if (this != &r) ((AliT0Reconstructor &) r).Copy(*this);
  return *this;

}

//_____________________________________________________________________________

void AliT0Reconstructor::Reconstruct(TTree*digitsTree, TTree*clustersTree) const
  
{
  // T0 digits reconstruction
  // T0RecPoint writing 
  
  
  TArrayI * timeCFD = new TArrayI(24); 
  TArrayI * timeLED = new TArrayI(24); 
  TArrayI * chargeQT0 = new TArrayI(24); 
  TArrayI * chargeQT1 = new TArrayI(24); 

 
  Float_t channelWidth = fParam->GetChannelWidth() ;  
  Float_t meanVertex = fParam->GetMeanVertex();
  
  AliDebug(1,Form("Start DIGITS reconstruction "));
  

  TBranch *brDigits=digitsTree->GetBranch("T0");
  AliT0digit *fDigits = new AliT0digit() ;
  if (brDigits) {
    brDigits->SetAddress(&fDigits);
  }else{
    AliError(Form("EXEC Branch T0 digits not found"));
     return;
  }
  
  digitsTree->GetEvent(0);
  digitsTree->GetEntry(0);
  brDigits->GetEntry(0);
  fDigits->GetTimeCFD(*timeCFD);
  fDigits->GetTimeLED(*timeLED);
  fDigits->GetQT0(*chargeQT0);
  fDigits->GetQT1(*chargeQT1);
  Int_t onlineMean =  fDigits->MeanTime();

  
  Float_t besttimeA=999999;
  Float_t besttimeC=999999;
  Int_t pmtBestA=99999;
  Int_t pmtBestC=99999;
  Float_t timeDiff=999999, meanTime=0;
  
  //  Int_t mv2MIP = fParam-> GetmV2Mip();     


  AliT0RecPoint* frecpoints= new AliT0RecPoint ();
  clustersTree->Branch( "T0", "AliT0RecPoint" ,&frecpoints, 405,1);
  
  Float_t time[24], adc[24];
  for (Int_t ipmt=0; ipmt<24; ipmt++) {
    if(timeCFD->At(ipmt)>0 ){
     if(( chargeQT1->At(ipmt) - chargeQT0->At(ipmt))>0)  
	adc[ipmt] = chargeQT1->At(ipmt) - chargeQT0->At(ipmt);
      else
	adc[ipmt] = 0;
      
      time[ipmt] = fCalib-> WalkCorrection( ipmt, adc[ipmt], Float_t( timeCFD->At(ipmt))) ;
	     
      Double_t sl = Double_t(timeLED->At(ipmt) - timeCFD->At(ipmt));
      //    time[ipmt] = fCalib-> WalkCorrection( ipmt, Int_t(sl), timeCFD[ipmt],"cosmic" ) ;
      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]));
      
      frecpoints->SetTime(ipmt, Float_t(time[ipmt]) );
      frecpoints->SetAmp(ipmt, Float_t( ampMip)); //for cosmic &pp beam 
      frecpoints->SetAmpLED(ipmt, Float_t(qtMip));
      
    }
    else {
      time[ipmt] = 0;
      adc[ipmt] = 0;
    }
  }
  
  for (Int_t ipmt=0; ipmt<12; ipmt++){
    if(time[ipmt] > 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;}
    }
  }
  if(besttimeA !=999999)  frecpoints->SetTimeBestA(Int_t(besttimeA));
  if( besttimeC != 999999 ) frecpoints->SetTimeBestC(Int_t(besttimeC));
  AliDebug(10,Form(" besttimeA %f ch,  besttimeC %f ch",besttimeA, besttimeC));
  Float_t c = 0.0299792; // cm/ps
  Float_t vertex = 0;
  if(besttimeA !=999999 && besttimeC != 999999 ){
    timeDiff = (besttimeC - besttimeA)*channelWidth;
    meanTime = Float_t((besttimeA + besttimeC)/2);// * channelWidth); 
    //    meanTime = (meanT0 - (besttimeA + besttimeC)/2) * channelWidth;
    vertex = meanVertex - c*(timeDiff)/2.;// + (fdZonA - fdZonC)/2; 
    frecpoints->SetVertex(vertex);
    frecpoints->SetMeanTime(Int_t(meanTime));
    //online mean
    frecpoints->SetOnlineMean(Int_t(onlineMean));
    AliDebug(10,Form("  timeDiff %f ps,  meanTime %f ps, vertex %f cm online mean %i ps",timeDiff, meanTime,vertex, Int_t(onlineMean)));
    
  }
  
  clustersTree->Fill();

  delete timeCFD;
  delete timeLED;
  delete chargeQT0; 
  delete chargeQT1; 
}


//_______________________________________________________________________

void AliT0Reconstructor::Reconstruct(AliRawReader* rawReader, TTree*recTree) const
{
  // T0 raw ->
  // T0RecPoint writing 
  
  //Q->T-> coefficients !!!! should be measured!!!
  Int_t allData[110][5];
  
  Int_t timeCFD[24], timeLED[24], chargeQT0[24], chargeQT1[24];
   
  for (Int_t i0=0; i0<105; i0++)
    {
      for (Int_t j0=0; j0<5; j0++) allData[i0][j0]=0; 	
    }
   
  Float_t besttimeA=9999999;
  Float_t besttimeC=9999999;
  Int_t pmtBestA=99999;
  Int_t pmtBestC=99999;
  Float_t timeDiff=9999999, meanTime=0;
  Float_t meanVertex = fParam->GetMeanVertex();
  printf("meanVertex %f \n",meanVertex);
   
  AliT0RecPoint* frecpoints= new AliT0RecPoint ();
  
  recTree->Branch( "T0", "AliT0RecPoint" ,&frecpoints, 405,1);
   
   
  AliDebug(10," before read data ");
  AliT0RawReader myrawreader(rawReader);
  if (!myrawreader.Next())
    AliDebug(1,Form(" no raw data found!!"));
  else
    {  
      for (Int_t i=0; i<105; i++) {
	for (Int_t iHit=0; iHit<5; iHit++) 
	  {
	    allData[i][iHit] = myrawreader.GetData(i,iHit);
	  }
      }
    
      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]));
       Int_t onlineMean = allData[49][0];       
       
       Float_t time[24], adc[24];
       for (Int_t ipmt=0; ipmt<24; ipmt++) {
	 if(timeCFD[ipmt]>0 && timeLED[ipmt]>0){
	   //for simulated data
	     //for physics  data
	   if(( chargeQT1[ipmt] - chargeQT0[ipmt])>0)  
	     adc[ipmt] = chargeQT1[ipmt] - chargeQT0[ipmt];
	   else
	     adc[ipmt] = 0;
	   
	   time[ipmt] = fCalib-> WalkCorrection( ipmt, adc[ipmt], timeCFD[ipmt]) ;
	   
      	   Double_t sl = timeLED[ipmt] - timeCFD[ipmt];
	     //    time[ipmt] = fCalib-> WalkCorrection( ipmt, Int_t(sl), timeCFD[ipmt],"cosmic" ) ;
	   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]));
	     
	   frecpoints->SetTime(ipmt, Float_t(time[ipmt]) );
	   frecpoints->SetAmp(ipmt, Float_t( ampMip)); //for cosmic &pp beam 
	   frecpoints->SetAmpLED(ipmt, Float_t(qtMip));
	     
	 }
	 else {
	   time[ipmt] = 0;
	   adc[ipmt] = 0;
	 }
       }
       
       for (Int_t ipmt=0; ipmt<12; ipmt++){
	 if(time[ipmt] > 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;}
	 }
       }
       if(besttimeA !=9999999)  frecpoints->SetTimeBestA(Int_t(besttimeA));
       if( besttimeC != 9999999 ) frecpoints->SetTimeBestC(Int_t(besttimeC));
       AliDebug(5,Form(" pmtA %i besttimeA %f ps, pmtC %i besttimeC %f ps",
		       pmtBestA,besttimeA, pmtBestC,  besttimeC));
       Float_t c = 0.0299792458; // cm/ps
       Float_t vertex = 99999;
       if(besttimeA <9999999 && besttimeC < 9999999 ){
	 timeDiff = ( besttimeC - besttimeA) *channelWidth;
	 meanTime =  Float_t((besttimeA + besttimeC)/2.);  
	 onlineMean = onlineMean ;
	 vertex =  meanVertex - c*(timeDiff)/2.; //+ (fdZonA - fdZonC)/2; 
	 frecpoints->SetVertex(vertex);
	 frecpoints->SetMeanTime(Int_t(meanTime));
	 frecpoints->SetOnlineMean(Int_t(onlineMean));
	 AliDebug(5,Form("  timeDiff %f ps,  meanTime %f ps, vertex %f cm meanVertex %f online mean %i ",timeDiff, meanTime,vertex,meanVertex, onlineMean));
	 
       }
    } // if (else )raw data
	 recTree->Fill();
	 if(frecpoints) delete frecpoints;
}
       
       
//____________________________________________________________

void AliT0Reconstructor::FillESD(TTree */*digitsTree*/, TTree *clustersTree, AliESDEvent *pESD) const
{

  /***************************************************
  Resonstruct digits to vertex position
  ****************************************************/
  
  AliDebug(1,Form("Start FillESD T0"));

  TTree *treeR = clustersTree;
  
   AliT0RecPoint* frecpoints= new AliT0RecPoint ();
    if (!frecpoints) {
    AliError("Reconstruct Fill ESD >> no recpoints found");
    return;
  }
  
  AliDebug(1,Form("Start FillESD T0"));
  TBranch *brRec = treeR->GetBranch("T0");
  if (brRec) {
    brRec->SetAddress(&frecpoints);
  }else{
    AliError(Form("EXEC Branch T0 rec not found"));
    return;
  } 
    
    brRec->GetEntry(0);
    Float_t amp[24], time[24];
    Float_t  zPosition = frecpoints -> GetVertex();
    Float_t timeStart = frecpoints -> GetMeanTime() ;
    for ( Int_t i=0; i<24; i++) {
      time[i] = Float_t (frecpoints -> GetTime(i)); // ps to ns
      amp[i] = frecpoints -> GetAmp(i);
    }
    pESD->SetT0zVertex(zPosition); //vertex Z position 
    pESD->SetT0(timeStart);        // interaction time 
    pESD->SetT0time(time);         // best TOF on each PMT 
    pESD->SetT0amplitude(amp);     // number of particles(MIPs) on each PMT
 
    AliDebug(1,Form(" Z position %f cm,  T0  %f ps",zPosition , timeStart));

} // vertex in 3 sigma
Commit	Line	Data
dc7ca31d	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	/* $Id$ */
72e48d95	17	/*********************************************************************
	18	* T0 reconstruction and filling ESD
	19	* - reconstruct mean time (interation time)
	20	* - vertex position
	21	* - multiplicity
	22	********************************************************************/
dc7ca31d	23
af885e0f	24	#include <AliESDEvent.h>
dc7ca31d	25	#include "AliLog.h"
dc7ca31d	26	#include "AliT0RecPoint.h"
	27	#include "AliRawReader.h"
	28	#include "AliT0RawReader.h"
dc7ca31d	29	#include "AliT0digit.h"
	30	#include "AliT0Reconstructor.h"
	31	#include "AliT0Parameters.h"
c41ceaac	32	#include "AliT0Calibrator.h"
dc7ca31d	33
	34	#include <TArrayI.h>
	35	#include <TGraph.h>
aad72f45	36	#include <TMath.h>
b09247a2	37	#include <Riostream.h>
dc7ca31d	38
	39	ClassImp(AliT0Reconstructor)
	40
c41ceaac	41	AliT0Reconstructor:: AliT0Reconstructor(): AliReconstructor(),
f16935f7	42	fdZonA(0),
	43	fdZonC(0),
	44	fZposition(0),
	45	fParam(NULL),
2e6a5ee0	46	fAmpLEDrec(),
c883fdf2	47	fQTC(0),
c883fdf2	48	fAmpLED(0),
2e6a5ee0	49	fCalib()
e0bba6cc	50	{
72e48d95	51	//constructor
72e48d95	52
c41ceaac	53	AliDebug(1,"Start reconstructor ");
74adb36a	54
	55	fParam = AliT0Parameters::Instance();
	56	fParam->Init();
c883fdf2	57	TString option = GetOption();
c883fdf2	58
74adb36a	59	for (Int_t i=0; i<24; i++){
2e6a5ee0	60	TGraph* gr = fParam ->GetAmpLEDRec(i);
29ed1d0e	61	if (gr) fAmpLEDrec.AddAtAndExpand(gr,i) ;
c883fdf2	62	TGraph* gr1 = fParam ->GetAmpLED(i);
	63	if (gr1) fAmpLED.AddAtAndExpand(gr1,i) ;
	64	TGraph* gr2 = fParam ->GetQTC(i);
	65	if (gr2) fQTC.AddAtAndExpand(gr2,i) ;
	66
	67	}
29ed1d0e	68
f16935f7	69	fdZonC = TMath::Abs(fParam->GetZPositionShift("T0/C/PMT1"));
f16935f7	70	fdZonA = TMath::Abs(fParam->GetZPositionShift("T0/A/PMT15"));
12e9daf9	71	fCalib = new AliT0Calibrator();
12e9daf9	72
c41ceaac	73	}
c41ceaac	74	//____________________________________________________________________
e0bba6cc	75
c41ceaac	76	AliT0Reconstructor::AliT0Reconstructor(const AliT0Reconstructor &r):
d76c31f4	77	AliReconstructor(r),
f16935f7	78	fdZonA(0),
	79	fdZonC(0),
	80	fZposition(0),
	81	fParam(NULL),
2e6a5ee0	82	fAmpLEDrec(),
c883fdf2	83	fQTC(0),
c883fdf2	84	fAmpLED(0),
2e6a5ee0	85	fCalib()
2e6a5ee0	86
f16935f7	87	{
c41ceaac	88	//
	89	// AliT0Reconstructor copy constructor
	90	//
e0bba6cc	91
c41ceaac	92	((AliT0Reconstructor &) r).Copy(*this);
e0bba6cc	93
	94	}
	95
c41ceaac	96	//_____________________________________________________________________________
c41ceaac	97	AliT0Reconstructor &AliT0Reconstructor::operator=(const AliT0Reconstructor &r)
dc7ca31d	98	{
c41ceaac	99	//
	100	// Assignment operator
	101	//
	102
	103	if (this != &r) ((AliT0Reconstructor &) r).Copy(*this);
	104	return *this;
e0bba6cc	105
dc7ca31d	106	}
c41ceaac	107
	108	//_____________________________________________________________________________
	109
dc7ca31d	110	void AliT0Reconstructor::Reconstruct(TTreedigitsTree, TTreeclustersTree) const
94c27e4f	111
dc7ca31d	112	{
94c27e4f	113	// T0 digits reconstruction
94c27e4f	114	// T0RecPoint writing
c41ceaac	115
d0bcd1fb	116
c41ceaac	117	TArrayI * timeCFD = new TArrayI(24);
	118	TArrayI * timeLED = new TArrayI(24);
	119	TArrayI * chargeQT0 = new TArrayI(24);
	120	TArrayI * chargeQT1 = new TArrayI(24);
74adb36a	121
d0bcd1fb	122
8955c6b4	123	Float_t channelWidth = fParam->GetChannelWidth() ;
b95e8d87	124	Float_t meanVertex = fParam->GetMeanVertex();
94c27e4f	125
dc7ca31d	126	AliDebug(1,Form("Start DIGITS reconstruction "));
94c27e4f	127
2e6a5ee0	128
d0bcd1fb	129	TBranch *brDigits=digitsTree->GetBranch("T0");
e0bba6cc	130	AliT0digit *fDigits = new AliT0digit() ;
dc7ca31d	131	if (brDigits) {
	132	brDigits->SetAddress(&fDigits);
	133	}else{
f16935f7	134	AliError(Form("EXEC Branch T0 digits not found"));
f16935f7	135	return;
dc7ca31d	136	}
e0bba6cc	137
c41ceaac	138	digitsTree->GetEvent(0);
	139	digitsTree->GetEntry(0);
	140	brDigits->GetEntry(0);
	141	fDigits->GetTimeCFD(*timeCFD);
	142	fDigits->GetTimeLED(*timeLED);
	143	fDigits->GetQT0(*chargeQT0);
	144	fDigits->GetQT1(*chargeQT1);
446d6ec4	145	Int_t onlineMean = fDigits->MeanTime();
c883fdf2	146
c41ceaac	147
	148	Float_t besttimeA=999999;
	149	Float_t besttimeC=999999;
	150	Int_t pmtBestA=99999;
	151	Int_t pmtBestC=99999;
dc7ca31d	152	Float_t timeDiff=999999, meanTime=0;
dc7ca31d	153
d0bcd1fb	154	// Int_t mv2MIP = fParam-> GetmV2Mip();
c883fdf2	155
e0bba6cc	156
94c27e4f	157	AliT0RecPoint* frecpoints= new AliT0RecPoint ();
	158	clustersTree->Branch( "T0", "AliT0RecPoint" ,&frecpoints, 405,1);
	159
b95e8d87	160	Float_t time[24], adc[24];
dc7ca31d	161	for (Int_t ipmt=0; ipmt<24; ipmt++) {
c41ceaac	162	if(timeCFD->At(ipmt)>0 ){
d0bcd1fb	163	if(( chargeQT1->At(ipmt) - chargeQT0->At(ipmt))>0)
d0bcd1fb	164	adc[ipmt] = chargeQT1->At(ipmt) - chargeQT0->At(ipmt);
a7027400	165	else
d0bcd1fb	166	adc[ipmt] = 0;
	167
	168	time[ipmt] = fCalib-> WalkCorrection( ipmt, adc[ipmt], Float_t( timeCFD->At(ipmt))) ;
	169
	170	Double_t sl = Double_t(timeLED->At(ipmt) - timeCFD->At(ipmt));
	171	// time[ipmt] = fCalib-> WalkCorrection( ipmt, Int_t(sl), timeCFD[ipmt],"cosmic" ) ;
	172	AliDebug(10,Form(" ipmt %i QTC %i , time in chann %i (led-cfd) %i ",
	173	ipmt, Int_t(adc[ipmt]) ,Int_t(time[ipmt]),Int_t( sl)));
	174	Double_t ampMip =((TGraph*)fAmpLED.At(ipmt))->Eval(sl);
	175	Double_t qtMip = ((TGraph*)fQTC.At(ipmt))->Eval(adc[ipmt]);
	176	AliDebug(10,Form(" Amlitude in MIPS LED %f , QTC %f in channels %i\n ",ampMip,qtMip, adc[ipmt]));
	177
	178	frecpoints->SetTime(ipmt, Float_t(time[ipmt]) );
	179	frecpoints->SetAmp(ipmt, Float_t( ampMip)); //for cosmic &pp beam
	180	frecpoints->SetAmpLED(ipmt, Float_t(qtMip));
	181
dc7ca31d	182	}
	183	else {
	184	time[ipmt] = 0;
	185	adc[ipmt] = 0;
	186	}
	187	}
94c27e4f	188
dc7ca31d	189	for (Int_t ipmt=0; ipmt<12; ipmt++){
dc7ca31d	190	if(time[ipmt] > 1 ) {
c41ceaac	191	if(time[ipmt]<besttimeC){
	192	besttimeC=time[ipmt]; //timeC
	193	pmtBestC=ipmt;
dc7ca31d	194	}
	195	}
	196	}
	197	for ( Int_t ipmt=12; ipmt<24; ipmt++){
	198	if(time[ipmt] > 1) {
c41ceaac	199	if(time[ipmt]<besttimeA) {
	200	besttimeA=time[ipmt]; //timeA
	201	pmtBestA=ipmt;}
dc7ca31d	202	}
dc7ca31d	203	}
c41ceaac	204	if(besttimeA !=999999) frecpoints->SetTimeBestA(Int_t(besttimeA));
c41ceaac	205	if( besttimeC != 999999 ) frecpoints->SetTimeBestC(Int_t(besttimeC));
d0bcd1fb	206	AliDebug(10,Form(" besttimeA %f ch, besttimeC %f ch",besttimeA, besttimeC));
dc7ca31d	207	Float_t c = 0.0299792; // cm/ps
dc7ca31d	208	Float_t vertex = 0;
c41ceaac	209	if(besttimeA !=999999 && besttimeC != 999999 ){
12e9daf9	210	timeDiff = (besttimeC - besttimeA)*channelWidth;
d0bcd1fb	211	meanTime = Float_t((besttimeA + besttimeC)/2);// * channelWidth);
12e9daf9	212	// meanTime = (meanT0 - (besttimeA + besttimeC)/2) * channelWidth;
d0bcd1fb	213	vertex = meanVertex - c*(timeDiff)/2.;// + (fdZonA - fdZonC)/2;
dc7ca31d	214	frecpoints->SetVertex(vertex);
dc7ca31d	215	frecpoints->SetMeanTime(Int_t(meanTime));
446d6ec4	216	//online mean
d0bcd1fb	217	frecpoints->SetOnlineMean(Int_t(onlineMean));
d0bcd1fb	218	AliDebug(10,Form(" timeDiff %f ps, meanTime %f ps, vertex %f cm online mean %i ps",timeDiff, meanTime,vertex, Int_t(onlineMean)));
dc7ca31d	219
dc7ca31d	220	}
b95e8d87	221
dc7ca31d	222	clustersTree->Fill();
bd375212	223
	224	delete timeCFD;
	225	delete timeLED;
	226	delete chargeQT0;
	227	delete chargeQT1;
dc7ca31d	228	}
	229
	230
c41ceaac	231	//_______________________________________________________________________
	232
	233	void AliT0Reconstructor::Reconstruct(AliRawReader* rawReader, TTree*recTree) const
	234	{
94c27e4f	235	// T0 raw ->
	236	// T0RecPoint writing
	237
	238	//Q->T-> coefficients !!!! should be measured!!!
e8ed1cd0	239	Int_t allData[110][5];
2e6a5ee0	240
e8ed1cd0	241	Int_t timeCFD[24], timeLED[24], chargeQT0[24], chargeQT1[24];
2e6a5ee0	242
bce12dc5	243	for (Int_t i0=0; i0<105; i0++)
	244	{
	245	for (Int_t j0=0; j0<5; j0++) allData[i0][j0]=0;
	246	}
2e6a5ee0	247
bce12dc5	248	Float_t besttimeA=9999999;
	249	Float_t besttimeC=9999999;
	250	Int_t pmtBestA=99999;
	251	Int_t pmtBestC=99999;
	252	Float_t timeDiff=9999999, meanTime=0;
b95e8d87	253	Float_t meanVertex = fParam->GetMeanVertex();
d0bcd1fb	254	printf("meanVertex %f \n",meanVertex);
29a60970	255
bce12dc5	256	AliT0RecPoint* frecpoints= new AliT0RecPoint ();
	257
	258	recTree->Branch( "T0", "AliT0RecPoint" ,&frecpoints, 405,1);
2e6a5ee0	259
2e6a5ee0	260
bce12dc5	261	AliDebug(10," before read data ");
	262	AliT0RawReader myrawreader(rawReader);
	263	if (!myrawreader.Next())
	264	AliDebug(1,Form(" no raw data found!!"));
	265	else
	266	{
	267	for (Int_t i=0; i<105; i++) {
	268	for (Int_t iHit=0; iHit<5; iHit++)
	269	{
	270	allData[i][iHit] = myrawreader.GetData(i,iHit);
	271	}
	272	}
	273
	274	Float_t channelWidth = fParam->GetChannelWidth() ;
	275
	276	// Int_t meanT0 = fParam->GetMeanT0();
d0bcd1fb	277
bce12dc5	278
	279	for (Int_t in=0; in<12; in++)
	280	{
	281	timeCFD[in] = allData[in+1][0] ;
	282	timeCFD[in+12] = allData[in+56+1][0] ;
	283	timeLED[in] = allData[in+12+1][0] ;
	284	timeLED[in+12] = allData[in+68+1][0] ;
d0bcd1fb	285	AliDebug(10, Form(" readed i %i cfdC %i cfdA %i ledC %i ledA%i ",
	286	in, timeCFD[in],timeCFD[in+12],timeLED[in],
	287	timeLED[in+12]));
bce12dc5	288	}
	289
	290	for (Int_t in=0; in<12; in++)
	291	{
d0bcd1fb	292	chargeQT0[in]=allData[2*in+25][0];
d0bcd1fb	293	chargeQT1[in]=allData[2*in+26][0];
bce12dc5	294	}
	295
	296	for (Int_t in=12; in<24; in++)
	297	{
d0bcd1fb	298	chargeQT0[in]=allData[2*in+57][0];
d0bcd1fb	299	chargeQT1[in]=allData[2*in+58][0];
bce12dc5	300	}
bce12dc5	301
d0bcd1fb	302	// } //cosmic with physics event
2e6a5ee0	303	for (Int_t in=0; in<24; in++)
c883fdf2	304	AliDebug(10, Form(" readed Raw %i %i %i %i %i",
c883fdf2	305	in, timeLED[in],timeCFD[in],chargeQT0[in],chargeQT1[in]));
446d6ec4	306	Int_t onlineMean = allData[49][0];
2e6a5ee0	307
12e9daf9	308	Float_t time[24], adc[24];
2e6a5ee0	309	for (Int_t ipmt=0; ipmt<24; ipmt++) {
2e6a5ee0	310	if(timeCFD[ipmt]>0 && timeLED[ipmt]>0){
bce12dc5	311	//for simulated data
d0bcd1fb	312	//for physics data
	313	if(( chargeQT1[ipmt] - chargeQT0[ipmt])>0)
	314	adc[ipmt] = chargeQT1[ipmt] - chargeQT0[ipmt];
	315	else
	316	adc[ipmt] = 0;
bce12dc5	317
29a60970	318	time[ipmt] = fCalib-> WalkCorrection( ipmt, adc[ipmt], timeCFD[ipmt]) ;
bce12dc5	319
d0bcd1fb	320	Double_t sl = timeLED[ipmt] - timeCFD[ipmt];
	321	// time[ipmt] = fCalib-> WalkCorrection( ipmt, Int_t(sl), timeCFD[ipmt],"cosmic" ) ;
	322	AliDebug(10,Form(" ipmt %i QTC %i , time in chann %i (led-cfd) %i ",
	323	ipmt, Int_t(adc[ipmt]) ,Int_t(time[ipmt]),Int_t( sl)));
	324	Double_t ampMip =( (TGraph*)fAmpLED.At(ipmt))->Eval(sl);
	325	Double_t qtMip = ((TGraph*)fQTC.At(ipmt))->Eval(adc[ipmt]);
	326	AliDebug(10,Form(" Amlitude in MIPS LED %f ; QTC %f; in channels %i\n ",ampMip,qtMip, adc[ipmt]));
bce12dc5	327
d0bcd1fb	328	frecpoints->SetTime(ipmt, Float_t(time[ipmt]) );
	329	frecpoints->SetAmp(ipmt, Float_t( ampMip)); //for cosmic &pp beam
	330	frecpoints->SetAmpLED(ipmt, Float_t(qtMip));
bce12dc5	331
2e6a5ee0	332	}
	333	else {
	334	time[ipmt] = 0;
	335	adc[ipmt] = 0;
	336	}
	337	}
	338
	339	for (Int_t ipmt=0; ipmt<12; ipmt++){
	340	if(time[ipmt] > 1 ) {
	341	if(time[ipmt]<besttimeC){
	342	besttimeC=time[ipmt]; //timeC
	343	pmtBestC=ipmt;
	344	}
	345	}
	346	}
	347	for ( Int_t ipmt=12; ipmt<24; ipmt++){
	348	if(time[ipmt] > 1) {
	349	if(time[ipmt]<besttimeA) {
	350	besttimeA=time[ipmt]; //timeA
	351	pmtBestA=ipmt;}
	352	}
	353	}
	354	if(besttimeA !=9999999) frecpoints->SetTimeBestA(Int_t(besttimeA));
	355	if( besttimeC != 9999999 ) frecpoints->SetTimeBestC(Int_t(besttimeC));
d0bcd1fb	356	AliDebug(5,Form(" pmtA %i besttimeA %f ps, pmtC %i besttimeC %f ps",
	357	pmtBestA,besttimeA, pmtBestC, besttimeC));
	358	Float_t c = 0.0299792458; // cm/ps
2e6a5ee0	359	Float_t vertex = 99999;
2e6a5ee0	360	if(besttimeA <9999999 && besttimeC < 9999999 ){
12e9daf9	361	timeDiff = ( besttimeC - besttimeA) *channelWidth;
d0bcd1fb	362	meanTime = Float_t((besttimeA + besttimeC)/2.);
	363	onlineMean = onlineMean ;
	364	vertex = meanVertex - c*(timeDiff)/2.; //+ (fdZonA - fdZonC)/2;
2e6a5ee0	365	frecpoints->SetVertex(vertex);
2e6a5ee0	366	frecpoints->SetMeanTime(Int_t(meanTime));
1d7681da	367	frecpoints->SetOnlineMean(Int_t(onlineMean));
d0bcd1fb	368	AliDebug(5,Form(" timeDiff %f ps, meanTime %f ps, vertex %f cm meanVertex %f online mean %i ",timeDiff, meanTime,vertex,meanVertex, onlineMean));
2e6a5ee0	369
2e6a5ee0	370	}
bce12dc5	371	} // if (else )raw data
	372	recTree->Fill();
	373	if(frecpoints) delete frecpoints;
c41ceaac	374	}
bce12dc5	375
bce12dc5	376
c41ceaac	377	//____________________________________________________________
c41ceaac	378
d76c31f4	379	void AliT0Reconstructor::FillESD(TTree /digitsTree/, TTree clustersTree, AliESDEvent *pESD) const
dc7ca31d	380	{
	381
	382	/***************************************************
	383	Resonstruct digits to vertex position
	384	****************************************************/
	385
dc7ca31d	386	AliDebug(1,Form("Start FillESD T0"));
dc7ca31d	387
d76c31f4	388	TTree *treeR = clustersTree;
dc7ca31d	389
	390	AliT0RecPoint* frecpoints= new AliT0RecPoint ();
	391	if (!frecpoints) {
	392	AliError("Reconstruct Fill ESD >> no recpoints found");
	393	return;
	394	}
	395
	396	AliDebug(1,Form("Start FillESD T0"));
	397	TBranch *brRec = treeR->GetBranch("T0");
	398	if (brRec) {
	399	brRec->SetAddress(&frecpoints);
	400	}else{
f16935f7	401	AliError(Form("EXEC Branch T0 rec not found"));
dc7ca31d	402	return;
	403	}
	404
	405	brRec->GetEntry(0);
f16935f7	406	Float_t amp[24], time[24];
	407	Float_t zPosition = frecpoints -> GetVertex();
	408	Float_t timeStart = frecpoints -> GetMeanTime() ;
	409	for ( Int_t i=0; i<24; i++) {
94c27e4f	410	time[i] = Float_t (frecpoints -> GetTime(i)); // ps to ns
dc7ca31d	411	amp[i] = frecpoints -> GetAmp(i);
dc7ca31d	412	}
f16935f7	413	pESD->SetT0zVertex(zPosition); //vertex Z position
dc7ca31d	414	pESD->SetT0(timeStart); // interaction time
	415	pESD->SetT0time(time); // best TOF on each PMT
	416	pESD->SetT0amplitude(amp); // number of particles(MIPs) on each PMT
5325480c	417
f16935f7	418	AliDebug(1,Form(" Z position %f cm, T0 %f ps",zPosition , timeStart));
dc7ca31d	419
dc7ca31d	420	} // vertex in 3 sigma
	421
	422
	423
	424
	425
	426