[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

  fParam = AliT0Parameters::Instance();
  fParam->Init();
 
  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(0),
					     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
  Int_t refAmp = GetRecoParam()->GetRefAmp();
  
  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();
  Float_t c = 0.0299792; // cm/ps
  Float_t vertex = 9999999;
  Int_t timeDiff=999999, meanTime=999999, timeclock=999999;

  
  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();
  Int_t ref =  fDigits->RefPoint();

  
  Float_t besttimeA=999999;
  Float_t besttimeC=999999;
  Int_t pmtBestA=99999;
  Int_t pmtBestC=99999;
  
  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(refAmp, ipmt, adc[ipmt],  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));
    if(besttimeA !=999999 && besttimeC != 999999 ){
    //    timeDiff = (besttimeC - besttimeA)*channelWidth;
    timeDiff = (besttimeA - besttimeC)*channelWidth;
    meanTime = Float_t((besttimeA + besttimeC)/2);// * channelWidth); 
    timeclock = Float_t(meanTime - ref);
    vertex = meanVertex - c*(timeDiff)/2.;// + (fdZonA - fdZonC)/2; 
   }
    frecpoints->SetVertex(vertex);
    frecpoints->SetMeanTime(meanTime);
    frecpoints->SetT0clock(timeclock);
    //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));
    
    //  }
  
  clustersTree->Fill();

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


//_______________________________________________________________________

void AliT0Reconstructor::Reconstruct(AliRawReader* rawReader, TTree*recTree) const
{
  // T0 raw ->
  //
  // reference amplitude and time ref. point from reco param

  Int_t refAmp = GetRecoParam()->GetRefAmp();
  Int_t refPoint = GetRecoParam()->GetRefPoint();

  Int_t allData[110][5];
  
  Int_t timeCFD[24], timeLED[24], chargeQT0[24], chargeQT1[24];
  Int_t timeDiff=999999, meanTime=999999, timeclock=999999;
  Float_t c = 0.0299792458; // cm/ps
  Float_t vertex = 9999999;
  Int_t onlineMean=0;
  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 meanVertex = fParam->GetMeanVertex();
   
  AliT0RecPoint* frecpoints= new AliT0RecPoint ();
  
  recTree->Branch( "T0", "AliT0RecPoint" ,&frecpoints, 405,1);
   
  AliDebug(10," before read data ");
  AliT0RawReader myrawreader(rawReader);

  UInt_t type =rawReader->GetType();

  if (!myrawreader.Next())
    AliDebug(1,Form(" no raw data found!!"));
  else
    {  
      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 = 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];       
       
       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(refAmp, ipmt, adc[ipmt], timeCFD[ipmt] ) ;
	   
      	   Double_t sl = timeLED[ipmt] - timeCFD[ipmt];
	     //    time[ipmt] = fCalib-> WalkCorrection( ipmt, Int_t(sl), timeCFD[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]));
	     
	   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 #channel",
		       pmtBestA,besttimeA, pmtBestC,  besttimeC));
        if(besttimeA <9999999 && besttimeC < 9999999 ){
	 timeDiff = ( besttimeA - besttimeC) *channelWidth;
	 meanTime =  Float_t((besttimeA + besttimeC)/2.);  
	 timeclock = Float_t(meanTime - ref);
	 vertex =  meanVertex - c*(timeDiff)/2.; //+ (fdZonA - fdZonC)/2; 
       }
      }  //if phys event       
      frecpoints->SetT0clock(timeclock);
      frecpoints->SetVertex(vertex);
      frecpoints->SetMeanTime(Int_t(meanTime));
      frecpoints->SetOnlineMean(Int_t(onlineMean));
      AliDebug(5,Form("  timeDiff %f #channel,  meanTime %f #channel, 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() ;
    Float_t timeClock = frecpoints -> GetT0clock() ;
     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->SetT0clock(timeClock);   // interaction time with ref.point(spectrum) 
    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
	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
	34	#include <TArrayI.h>
	35	#include <TGraph.h>
	36	#include <TMath.h>
	37	#include <Riostream.h>
	38
	39	ClassImp(AliT0Reconstructor)
	40
	41	AliT0Reconstructor:: AliT0Reconstructor(): AliReconstructor(),
	42	fdZonA(0),
	43	fdZonC(0),
	44	fZposition(0),
	45	fParam(NULL),
	46	fAmpLEDrec(),
	47	fQTC(0),
	48	fAmpLED(0),
	49	fCalib()
	50	{
	51	//constructor
	52
	53	fParam = AliT0Parameters::Instance();
	54	fParam->Init();
	55
	56	for (Int_t i=0; i<24; i++){
	57	TGraph* gr = fParam ->GetAmpLEDRec(i);
	58	if (gr) fAmpLEDrec.AddAtAndExpand(gr,i) ;
	59	TGraph* gr1 = fParam ->GetAmpLED(i);
	60	if (gr1) fAmpLED.AddAtAndExpand(gr1,i) ;
	61	TGraph* gr2 = fParam ->GetQTC(i);
	62	if (gr2) fQTC.AddAtAndExpand(gr2,i) ;
	63	}
	64
	65
	66	fdZonC = TMath::Abs(fParam->GetZPositionShift("T0/C/PMT1"));
	67	fdZonA = TMath::Abs(fParam->GetZPositionShift("T0/A/PMT15"));
	68
	69	fCalib = new AliT0Calibrator();
	70
	71	}
	72	//____________________________________________________________________
	73
	74	AliT0Reconstructor::AliT0Reconstructor(const AliT0Reconstructor &r):
	75	AliReconstructor(r),
	76	fdZonA(0),
	77	fdZonC(0),
	78	fZposition(0),
	79	fParam(NULL),
	80	fAmpLEDrec(0),
	81	fQTC(0),
	82	fAmpLED(0),
	83	fCalib()
	84
	85	{
	86	//
	87	// AliT0Reconstructor copy constructor
	88	//
	89
	90	((AliT0Reconstructor &) r).Copy(*this);
	91
	92	}
	93
	94	//_____________________________________________________________________________
	95	AliT0Reconstructor &AliT0Reconstructor::operator=(const AliT0Reconstructor &r)
	96	{
	97	//
	98	// Assignment operator
	99	//
	100	if (this != &r) ((AliT0Reconstructor &) r).Copy(*this);
	101	return *this;
	102
	103	}
	104
	105	//_____________________________________________________________________________
	106
	107	void AliT0Reconstructor::Reconstruct(TTreedigitsTree, TTreeclustersTree) const
	108
	109	{
	110	// T0 digits reconstruction
	111	Int_t refAmp = GetRecoParam()->GetRefAmp();
	112
	113	TArrayI * timeCFD = new TArrayI(24);
	114	TArrayI * timeLED = new TArrayI(24);
	115	TArrayI * chargeQT0 = new TArrayI(24);
	116	TArrayI * chargeQT1 = new TArrayI(24);
	117
	118
	119	Float_t channelWidth = fParam->GetChannelWidth() ;
	120	Float_t meanVertex = fParam->GetMeanVertex();
	121	Float_t c = 0.0299792; // cm/ps
	122	Float_t vertex = 9999999;
	123	Int_t timeDiff=999999, meanTime=999999, timeclock=999999;
	124
	125
	126	AliDebug(1,Form("Start DIGITS reconstruction "));
	127
	128
	129	TBranch *brDigits=digitsTree->GetBranch("T0");
	130	AliT0digit *fDigits = new AliT0digit() ;
	131	if (brDigits) {
	132	brDigits->SetAddress(&fDigits);
	133	}else{
	134	AliError(Form("EXEC Branch T0 digits not found"));
	135	return;
	136	}
	137
	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);
	145	Int_t onlineMean = fDigits->MeanTime();
	146	Int_t ref = fDigits->RefPoint();
	147
	148
	149	Float_t besttimeA=999999;
	150	Float_t besttimeC=999999;
	151	Int_t pmtBestA=99999;
	152	Int_t pmtBestC=99999;
	153
	154	AliT0RecPoint* frecpoints= new AliT0RecPoint ();
	155	clustersTree->Branch( "T0", "AliT0RecPoint" ,&frecpoints, 405,1);
	156
	157	Float_t time[24], adc[24];
	158	for (Int_t ipmt=0; ipmt<24; ipmt++) {
	159	if(timeCFD->At(ipmt)>0 ){
	160	if(( chargeQT1->At(ipmt) - chargeQT0->At(ipmt))>0)
	161	adc[ipmt] = chargeQT1->At(ipmt) - chargeQT0->At(ipmt);
	162	else
	163	adc[ipmt] = 0;
	164
	165	time[ipmt] = fCalib-> WalkCorrection(refAmp, ipmt, adc[ipmt], timeCFD->At(ipmt)) ;
	166
	167	Double_t sl = Double_t(timeLED->At(ipmt) - timeCFD->At(ipmt));
	168	// time[ipmt] = fCalib-> WalkCorrection( ipmt, Int_t(sl), timeCFD[ipmt],"cosmic" ) ;
	169	AliDebug(10,Form(" ipmt %i QTC %i , time in chann %i (led-cfd) %i ",
	170	ipmt, Int_t(adc[ipmt]) ,Int_t(time[ipmt]),Int_t( sl)));
	171
	172	Double_t ampMip =((TGraph*)fAmpLED.At(ipmt))->Eval(sl);
	173	Double_t qtMip = ((TGraph*)fQTC.At(ipmt))->Eval(adc[ipmt]);
	174	AliDebug(10,Form(" Amlitude in MIPS LED %f , QTC %f in channels %i\n ",ampMip,qtMip, adc[ipmt]));
	175
	176	frecpoints->SetTime(ipmt, Float_t(time[ipmt]) );
	177	frecpoints->SetAmp(ipmt, Float_t( ampMip)); //for cosmic &pp beam
	178	frecpoints->SetAmpLED(ipmt, Float_t(qtMip));
	179
	180	}
	181	else {
	182	time[ipmt] = 0;
	183	adc[ipmt] = 0;
	184	}
	185	}
	186
	187	for (Int_t ipmt=0; ipmt<12; ipmt++){
	188	if(time[ipmt] > 1 ) {
	189	if(time[ipmt]<besttimeC){
	190	besttimeC=time[ipmt]; //timeC
	191	pmtBestC=ipmt;
	192	}
	193	}
	194	}
	195	for ( Int_t ipmt=12; ipmt<24; ipmt++){
	196	if(time[ipmt] > 1) {
	197	if(time[ipmt]<besttimeA) {
	198	besttimeA=time[ipmt]; //timeA
	199	pmtBestA=ipmt;}
	200	}
	201	}
	202	if(besttimeA !=999999) frecpoints->SetTimeBestA(Int_t(besttimeA));
	203	if( besttimeC != 999999 ) frecpoints->SetTimeBestC(Int_t(besttimeC));
	204	AliDebug(10,Form(" besttimeA %f ch, besttimeC %f ch",besttimeA, besttimeC));
	205	if(besttimeA !=999999 && besttimeC != 999999 ){
	206	// timeDiff = (besttimeC - besttimeA)*channelWidth;
	207	timeDiff = (besttimeA - besttimeC)*channelWidth;
	208	meanTime = Float_t((besttimeA + besttimeC)/2);// * channelWidth);
	209	timeclock = Float_t(meanTime - ref);
	210	vertex = meanVertex - c*(timeDiff)/2.;// + (fdZonA - fdZonC)/2;
	211	}
	212	frecpoints->SetVertex(vertex);
	213	frecpoints->SetMeanTime(meanTime);
	214	frecpoints->SetT0clock(timeclock);
	215	//online mean
	216	frecpoints->SetOnlineMean(Int_t(onlineMean));
	217	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));
	218
	219	// }
	220
	221	clustersTree->Fill();
	222
	223	delete timeCFD;
	224	delete timeLED;
	225	delete chargeQT0;
	226	delete chargeQT1;
	227	}
	228
	229
	230	//_______________________________________________________________________
	231
	232	void AliT0Reconstructor::Reconstruct(AliRawReader* rawReader, TTree*recTree) const
	233	{
	234	// T0 raw ->
	235	//
	236	// reference amplitude and time ref. point from reco param
	237
	238	Int_t refAmp = GetRecoParam()->GetRefAmp();
	239	Int_t refPoint = GetRecoParam()->GetRefPoint();
	240
	241	Int_t allData[110][5];
	242
	243	Int_t timeCFD[24], timeLED[24], chargeQT0[24], chargeQT1[24];
	244	Int_t timeDiff=999999, meanTime=999999, timeclock=999999;
	245	Float_t c = 0.0299792458; // cm/ps
	246	Float_t vertex = 9999999;
	247	Int_t onlineMean=0;
	248	for (Int_t i0=0; i0<105; i0++)
	249	{
	250	for (Int_t j0=0; j0<5; j0++) allData[i0][j0]=0;
	251	}
	252
	253	Float_t besttimeA=9999999;
	254	Float_t besttimeC=9999999;
	255	Int_t pmtBestA=99999;
	256	Int_t pmtBestC=99999;
	257	Float_t meanVertex = fParam->GetMeanVertex();
	258
	259	AliT0RecPoint* frecpoints= new AliT0RecPoint ();
	260
	261	recTree->Branch( "T0", "AliT0RecPoint" ,&frecpoints, 405,1);
	262
	263	AliDebug(10," before read data ");
	264	AliT0RawReader myrawreader(rawReader);
	265
	266	UInt_t type =rawReader->GetType();
	267
	268	if (!myrawreader.Next())
	269	AliDebug(1,Form(" no raw data found!!"));
	270	else
	271	{
	272	if(type == 7) { //only physics
	273	for (Int_t i=0; i<105; i++) {
	274	for (Int_t iHit=0; iHit<5; iHit++)
	275	{
	276	allData[i][iHit] = myrawreader.GetData(i,iHit);
	277	}
	278	}
	279
	280	Int_t ref = allData[refPoint][0]-5000.;
	281	Float_t channelWidth = fParam->GetChannelWidth() ;
	282
	283	// Int_t meanT0 = fParam->GetMeanT0();
	284
	285
	286	for (Int_t in=0; in<12; in++)
	287	{
	288	timeCFD[in] = allData[in+1][0] ;
	289	timeCFD[in+12] = allData[in+56+1][0] ;
	290	timeLED[in] = allData[in+12+1][0] ;
	291	timeLED[in+12] = allData[in+68+1][0] ;
	292	AliDebug(10, Form(" readed i %i cfdC %i cfdA %i ledC %i ledA%i ",
	293	in, timeCFD[in],timeCFD[in+12],timeLED[in],
	294	timeLED[in+12]));
	295	}
	296
	297	for (Int_t in=0; in<12; in++)
	298	{
	299	chargeQT0[in]=allData[2*in+25][0];
	300	chargeQT1[in]=allData[2*in+26][0];
	301	}
	302
	303	for (Int_t in=12; in<24; in++)
	304	{
	305	chargeQT0[in]=allData[2*in+57][0];
	306	chargeQT1[in]=allData[2*in+58][0];
	307	}
	308
	309	// } //cosmic with physics event
	310	for (Int_t in=0; in<24; in++)
	311	AliDebug(10, Form(" readed Raw %i %i %i %i %i",
	312	in, timeLED[in],timeCFD[in],chargeQT0[in],chargeQT1[in]));
	313	onlineMean = allData[49][0];
	314
	315	Float_t time[24], adc[24];
	316	for (Int_t ipmt=0; ipmt<24; ipmt++) {
	317	if(timeCFD[ipmt]>0 && timeLED[ipmt]>0){
	318	//for simulated data
	319	//for physics data
	320	if(( chargeQT1[ipmt] - chargeQT0[ipmt])>0)
	321	adc[ipmt] = chargeQT1[ipmt] - chargeQT0[ipmt];
	322	else
	323	adc[ipmt] = 0;
	324
	325
	326	time[ipmt] = fCalib-> WalkCorrection(refAmp, ipmt, adc[ipmt], timeCFD[ipmt] ) ;
	327
	328	Double_t sl = timeLED[ipmt] - timeCFD[ipmt];
	329	// time[ipmt] = fCalib-> WalkCorrection( ipmt, Int_t(sl), timeCFD[ipmt] ) ;
	330	AliDebug(10,Form(" ipmt %i QTC %i , time in chann %i (led-cfd) %i ",
	331	ipmt, Int_t(adc[ipmt]) ,Int_t(time[ipmt]),Int_t( sl)));
	332	Double_t ampMip =( (TGraph*)fAmpLED.At(ipmt))->Eval(sl);
	333	Double_t qtMip = ((TGraph*)fQTC.At(ipmt))->Eval(adc[ipmt]);
	334	AliDebug(10,Form(" Amlitude in MIPS LED %f ; QTC %f; in channels %i\n ",ampMip,qtMip, adc[ipmt]));
	335
	336	frecpoints->SetTime(ipmt, Float_t(time[ipmt]) );
	337	frecpoints->SetAmp(ipmt, Float_t( ampMip)); //for cosmic &pp beam
	338	frecpoints->SetAmpLED(ipmt, Float_t(qtMip));
	339
	340	}
	341	else {
	342	time[ipmt] = 0;
	343	adc[ipmt] = 0;
	344	}
	345	}
	346
	347	for (Int_t ipmt=0; ipmt<12; ipmt++){
	348	if(time[ipmt] > 1 ) {
	349	if(time[ipmt]<besttimeC){
	350	besttimeC=time[ipmt]; //timeC
	351	pmtBestC=ipmt;
	352	}
	353	}
	354	}
	355	for ( Int_t ipmt=12; ipmt<24; ipmt++){
	356	if(time[ipmt] > 1) {
	357	if(time[ipmt]<besttimeA) {
	358	besttimeA=time[ipmt]; //timeA
	359	pmtBestA=ipmt;}
	360	}
	361	}
	362	if(besttimeA !=9999999) frecpoints->SetTimeBestA(Int_t(besttimeA));
	363	if( besttimeC != 9999999 ) frecpoints->SetTimeBestC(Int_t(besttimeC));
	364	AliDebug(5,Form(" pmtA %i besttimeA %f ps, pmtC %i besttimeC %f #channel",
	365	pmtBestA,besttimeA, pmtBestC, besttimeC));
	366	if(besttimeA <9999999 && besttimeC < 9999999 ){
	367	timeDiff = ( besttimeA - besttimeC) *channelWidth;
	368	meanTime = Float_t((besttimeA + besttimeC)/2.);
	369	timeclock = Float_t(meanTime - ref);
	370	vertex = meanVertex - c*(timeDiff)/2.; //+ (fdZonA - fdZonC)/2;
	371	}
	372	} //if phys event
	373	frecpoints->SetT0clock(timeclock);
	374	frecpoints->SetVertex(vertex);
	375	frecpoints->SetMeanTime(Int_t(meanTime));
	376	frecpoints->SetOnlineMean(Int_t(onlineMean));
	377	AliDebug(5,Form(" timeDiff %f #channel, meanTime %f #channel, vertex %f cm meanVertex %f online mean %i ",timeDiff, meanTime,vertex,meanVertex, onlineMean));
	378
	379
	380	} // if (else )raw data
	381	recTree->Fill();
	382	if(frecpoints) delete frecpoints;
	383	}
	384
	385
	386	//____________________________________________________________
	387
	388	void AliT0Reconstructor::FillESD(TTree /digitsTree/, TTree clustersTree, AliESDEvent *pESD) const
	389	{
	390
	391	/***************************************************
	392	Resonstruct digits to vertex position
	393	****************************************************/
	394
	395	AliDebug(1,Form("Start FillESD T0"));
	396
	397	TTree *treeR = clustersTree;
	398
	399	AliT0RecPoint* frecpoints= new AliT0RecPoint ();
	400	if (!frecpoints) {
	401	AliError("Reconstruct Fill ESD >> no recpoints found");
	402	return;
	403	}
	404
	405	AliDebug(1,Form("Start FillESD T0"));
	406	TBranch *brRec = treeR->GetBranch("T0");
	407	if (brRec) {
	408	brRec->SetAddress(&frecpoints);
	409	}else{
	410	AliError(Form("EXEC Branch T0 rec not found"));
	411	return;
	412	}
	413
	414	brRec->GetEntry(0);
	415	Float_t amp[24], time[24];
	416	Float_t zPosition = frecpoints -> GetVertex();
	417	Float_t timeStart = frecpoints -> GetMeanTime() ;
	418	Float_t timeClock = frecpoints -> GetT0clock() ;
	419	for ( Int_t i=0; i<24; i++) {
	420	time[i] = Float_t (frecpoints -> GetTime(i)); // ps to ns
	421	amp[i] = frecpoints -> GetAmp(i);
	422	}
	423	pESD->SetT0zVertex(zPosition); //vertex Z position
	424	pESD->SetT0(timeStart); // interaction time
	425	pESD->SetT0clock(timeClock); // interaction time with ref.point(spectrum)
	426	pESD->SetT0time(time); // best TOF on each PMT
	427	pESD->SetT0amplitude(amp); // number of particles(MIPs) on each PMT
	428
	429	AliDebug(1,Form(" Z position %f cm, T0 %f ps",zPosition , timeStart));
	430
	431	} // vertex in 3 sigma
	432
	433
	434
	435
	436
	437