[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 <iostream.h>

ClassImp(AliT0Reconstructor)

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

 AliDebug(1,"Start reconstructor ");
  
  fParam = AliT0Parameters::Instance();
  fParam->Init();
  for (Int_t i=0; i<24; i++){
    TGraph* gr = fParam ->GetAmpLEDRec(i);
    fAmpLEDrec.AddAtAndExpand(gr,i) ;  
  }
  fdZonC = TMath::Abs(fParam->GetZPositionShift("T0/C/PMT1"));
  fdZonA = TMath::Abs(fParam->GetZPositionShift("T0/A/PMT15"));

}
//____________________________________________________________________

AliT0Reconstructor::AliT0Reconstructor(const AliT0Reconstructor &r):
  AliReconstructor(r),
					     fdZonA(0),
					     fdZonC(0),
					     fZposition(0),
					     fParam(NULL),
  fAmpLEDrec()
 {
  //
  // 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); 

  AliT0Calibrator *calib=new AliT0Calibrator(); 

  //  Int_t mV2Mip = param->GetmV2Mip();     
  //mV2Mip = param->GetmV2Mip();     
  Float_t channelWidth = fParam->GetChannelWidth() ;  
  Int_t meanT0 = fParam->GetMeanT0();
  
  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);

  
  Float_t besttimeA=999999;
  Float_t besttimeC=999999;
  Int_t pmtBestA=99999;
  Int_t pmtBestC=99999;
  Float_t timeDiff=999999, meanTime=0;
  

  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 ){
      Double_t qt0 = Double_t(chargeQT0->At(ipmt));
      Double_t qt1 = Double_t(chargeQT1->At(ipmt));
      if((qt1-qt0)>0)  adc[ipmt] = TMath::Exp( Double_t (channelWidth*(qt1-qt0)/1000));
      time[ipmt] = calib-> WalkCorrection( ipmt, Int_t(qt1) , timeCFD->At(ipmt), "pdc" ) ;
      
      //LED
      Double_t sl = (timeLED->At(ipmt) - time[ipmt])*channelWidth;
      Double_t qt=((TGraph*)fAmpLEDrec.At(ipmt))->Eval(sl/1000.);
      frecpoints->SetTime(ipmt,time[ipmt]);
      frecpoints->SetAmp(ipmt,adc[ipmt]);
      frecpoints->SetAmpLED(ipmt,qt);
    }
    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(1,Form(" besttimeA %f ps,  besttimeC %f ps",besttimeA, besttimeC));
  Float_t c = 0.0299792; // cm/ps
  Float_t vertex = 0;
  if(besttimeA !=999999 && besttimeC != 999999 ){
    timeDiff =(besttimeC - besttimeA)*channelWidth;
    meanTime = (meanT0 - (besttimeA + besttimeC)/2) * channelWidth;
    vertex = c*(timeDiff)/2. + (fdZonA - fdZonC)/2; //-(lenr-lenl))/2;
    AliDebug(1,Form("  timeDiff %f ps,  meanTime %f ps, vertex %f cm",timeDiff, meanTime,vertex ));
    frecpoints->SetVertex(vertex);
    frecpoints->SetMeanTime(Int_t(meanTime));
    
  }
  //time in each channel as time[ipmt]-MeanTimeinThisChannel(with vertex=0)
  for (Int_t ipmt=0; ipmt<24; ipmt++) {
    if(time[ipmt]>1) {
//      time[ipmt] = (time[ipmt] - fTime0vertex[ipmt])*channelWidth;
      time[ipmt] = time[ipmt] * channelWidth;
      frecpoints->SetTime(ipmt,time[ipmt]);
    }
  }
  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];
  TString option = GetOption(); 
  AliDebug(1,Form("Option: %s\n", option.Data()));
  
  for (Int_t i0=0; i0<105; i0++)
    {
      for (Int_t j0=0; j0<5; j0++) allData[i0][j0]=0; 	
    }
  
  
  AliDebug(10," before read data ");
  AliT0RawReader myrawreader(rawReader);
  if (!myrawreader.Next())
    AliDebug(1,"No T0 raw data found!");
  
  for (Int_t i=0; i<105; i++) {
    for (Int_t iHit=0; iHit<5; iHit++) 
      {
	allData[i][iHit] = myrawreader.GetData(i,iHit);
      }
  }
  AliT0Calibrator *calib = new AliT0Calibrator(); 
  
  //  Int_t mV2Mip = param->GetmV2Mip();     
  //mV2Mip = param->GetmV2Mip();     
  Float_t channelWidth = fParam->GetChannelWidth() ;  
  
  Int_t meanT0 = fParam->GetMeanT0();
  if(option == "pdc"){
    for (Int_t in=0; in<24; in++)  
      {
	
	timeLED[in] = allData[in+1][0];
	timeCFD[in] = allData[in+25][0];
	chargeQT1[in] = allData[in+57][0];
	chargeQT0[in] = allData[in+80][0];
      }
  }

  if(option == "cosmic") {
    for (Int_t in=0; in<12; in++)  
      {
	timeCFD[in] = allData[in+1][0];
	timeCFD[in+12] = allData[in+1][0];
	timeLED[in] = allData[in+12+1][0];
	timeLED[in+12] = allData[in+68+1][0];
      }
    
    for (Int_t in=0; in<24;  in=in+2)
      {
      Int_t cc=in/2;
      chargeQT1[cc]=allData[in+25][0];
      chargeQT0[cc]=allData[in+26][0];
      }
    for (Int_t in=24; in<48;  in=in+2)
    {
      Int_t cc=in/2;
      chargeQT1[cc]=allData[in+57][0];
      chargeQT0[cc]=allData[in+58][0];
    }
    
  }
    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]));
     

  Float_t besttimeA=9999999;
  Float_t besttimeC=9999999;
  Int_t pmtBestA=99999;
  Int_t pmtBestC=99999;
  Float_t timeDiff=9999999, meanTime=0;
  Double_t qt=0;
  
  AliT0RecPoint* frecpoints= new AliT0RecPoint ();
 
  recTree->Branch( "T0", "AliT0RecPoint" ,&frecpoints, 405,1);
  

  Float_t time[24], adc[24];
  for (Int_t ipmt=0; ipmt<24; ipmt++) {
    if(timeCFD[ipmt]>0 ){
     
      if(option == "pdc"){
	Double_t qt0 = Double_t(chargeQT0[ipmt]);
	Double_t qt1 = Double_t(chargeQT1[ipmt]);
	if((qt1-qt0)>0)  adc[ipmt] = TMath::Exp( Double_t (channelWidth*(qt1-qt0)/1000));

	time[ipmt] = calib-> WalkCorrection( ipmt,Int_t(qt1) , timeCFD[ipmt] ) ;
	Double_t sl = (timeLED[ipmt] - time[ipmt])*channelWidth;
	if(fAmpLEDrec.At(ipmt)) 
	  qt=((TGraph*)fAmpLEDrec.At(ipmt))->Eval(sl/1000.);
	frecpoints->SetTime(ipmt,time[ipmt]);
	frecpoints->SetAmp(ipmt,adc[ipmt]);
	frecpoints->SetAmpLED(ipmt,qt);
	AliDebug(1,Form(" QTC %f mv,  time in chann %f ",adc[ipmt] ,time[ipmt]));
      }
      if(option == "cosmic") {
	Float_t qt0 = Float_t(chargeQT0[ipmt]);
	Float_t qt1 = Float_t(chargeQT1[ipmt]);
	if((qt1-qt0)>0)  adc[ipmt] = qt1-qt0;
	
	time[ipmt] = calib-> WalkCorrection( ipmt, Int_t(adc[ipmt]), timeCFD[ipmt] ) ;
	Double_t sl = timeLED[ipmt] - time[ipmt];
	if(fAmpLEDrec.At(ipmt)) 
	  qt=((TGraph*)fAmpLEDrec.At(ipmt))->Eval(sl/1000.);
	frecpoints->SetTime(ipmt,time[ipmt]);
	frecpoints->SetAmp(ipmt,adc[ipmt]);
	frecpoints->SetAmpLED(ipmt,qt);
	AliDebug(10,Form(" ipmt %i QTC %i , time in chann %i led %i ",
			ipmt, Int_t(adc[ipmt]) ,Int_t(time[ipmt]),Int_t( qt)));
      }
      
    }
    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(1,Form(" besttimeA %f ps,  besttimeC %f ps",besttimeA, besttimeC));
  Float_t c = 0.0299792; // cm/ps
  Float_t vertex = 99999;
  if(besttimeA <9999999 && besttimeC < 9999999 ){
    timeDiff =( besttimeC - besttimeA) *channelWidth;
    if(option == "pdc") 
      meanTime = (meanT0 - (besttimeA + besttimeC)/2) * channelWidth;
    if(option == "cosmic")   meanTime =  (besttimeA + besttimeC)/2;  
    vertex = c*(timeDiff)/2. + (fdZonA - fdZonC)/2; 
    AliDebug(1,Form("  timeDiff %f ps,  meanTime %f ps, vertex %f cm",timeDiff, meanTime,vertex ));
    frecpoints->SetVertex(vertex);
    frecpoints->SetMeanTime(Int_t(meanTime));
    
  }
  //time in each channel as time[ipmt]-MeanTimeinThisChannel(with vertex=0)
  /*
  for (Int_t ipmt=0; ipmt<24; ipmt++) {
    if(time[ipmt]>1) {
      time[ipmt] = (time[ipmt] - fTime0vertex[ipmt])*channelWidth;
      frecpoints->SetTime(ipmt,time[ipmt]);
    }
    }
  */
  recTree->Fill();
}
//____________________________________________________________

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>
e8ed1cd0	37	//#include <iostream.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),
	46	fAmpLEDrec()
e0bba6cc	47	{
72e48d95	48	//constructor
72e48d95	49
c41ceaac	50	AliDebug(1,"Start reconstructor ");
74adb36a	51
	52	fParam = AliT0Parameters::Instance();
	53	fParam->Init();
74adb36a	54	for (Int_t i=0; i<24; i++){
	55	TGraph* gr = fParam ->GetAmpLEDRec(i);
	56	fAmpLEDrec.AddAtAndExpand(gr,i) ;
74adb36a	57	}
f16935f7	58	fdZonC = TMath::Abs(fParam->GetZPositionShift("T0/C/PMT1"));
f16935f7	59	fdZonA = TMath::Abs(fParam->GetZPositionShift("T0/A/PMT15"));
74adb36a	60
c41ceaac	61	}
c41ceaac	62	//____________________________________________________________________
e0bba6cc	63
c41ceaac	64	AliT0Reconstructor::AliT0Reconstructor(const AliT0Reconstructor &r):
d76c31f4	65	AliReconstructor(r),
f16935f7	66	fdZonA(0),
	67	fdZonC(0),
	68	fZposition(0),
	69	fParam(NULL),
aaa0a98f	70	fAmpLEDrec()
f16935f7	71	{
c41ceaac	72	//
	73	// AliT0Reconstructor copy constructor
	74	//
e0bba6cc	75
c41ceaac	76	((AliT0Reconstructor &) r).Copy(*this);
e0bba6cc	77
	78	}
	79
c41ceaac	80	//_____________________________________________________________________________
c41ceaac	81	AliT0Reconstructor &AliT0Reconstructor::operator=(const AliT0Reconstructor &r)
dc7ca31d	82	{
c41ceaac	83	//
	84	// Assignment operator
	85	//
	86
	87	if (this != &r) ((AliT0Reconstructor &) r).Copy(*this);
	88	return *this;
e0bba6cc	89
dc7ca31d	90	}
c41ceaac	91
	92	//_____________________________________________________________________________
	93
dc7ca31d	94	void AliT0Reconstructor::Reconstruct(TTreedigitsTree, TTreeclustersTree) const
94c27e4f	95
dc7ca31d	96	{
94c27e4f	97	// T0 digits reconstruction
94c27e4f	98	// T0RecPoint writing
c41ceaac	99
74adb36a	100
c41ceaac	101	TArrayI * timeCFD = new TArrayI(24);
	102	TArrayI * timeLED = new TArrayI(24);
	103	TArrayI * chargeQT0 = new TArrayI(24);
	104	TArrayI * chargeQT1 = new TArrayI(24);
74adb36a	105
c41ceaac	106	AliT0Calibrator *calib=new AliT0Calibrator();
dc7ca31d	107
94c27e4f	108	// Int_t mV2Mip = param->GetmV2Mip();
dc7ca31d	109	//mV2Mip = param->GetmV2Mip();
8955c6b4	110	Float_t channelWidth = fParam->GetChannelWidth() ;
74adb36a	111	Int_t meanT0 = fParam->GetMeanT0();
94c27e4f	112
dc7ca31d	113	AliDebug(1,Form("Start DIGITS reconstruction "));
94c27e4f	114
dc7ca31d	115	TBranch *brDigits=digitsTree->GetBranch("T0");
e0bba6cc	116	AliT0digit *fDigits = new AliT0digit() ;
dc7ca31d	117	if (brDigits) {
	118	brDigits->SetAddress(&fDigits);
	119	}else{
f16935f7	120	AliError(Form("EXEC Branch T0 digits not found"));
f16935f7	121	return;
dc7ca31d	122	}
e0bba6cc	123
c41ceaac	124	digitsTree->GetEvent(0);
	125	digitsTree->GetEntry(0);
	126	brDigits->GetEntry(0);
	127	fDigits->GetTimeCFD(*timeCFD);
	128	fDigits->GetTimeLED(*timeLED);
	129	fDigits->GetQT0(*chargeQT0);
	130	fDigits->GetQT1(*chargeQT1);
c32fcee0	131
c41ceaac	132
	133	Float_t besttimeA=999999;
	134	Float_t besttimeC=999999;
	135	Int_t pmtBestA=99999;
	136	Int_t pmtBestC=99999;
dc7ca31d	137	Float_t timeDiff=999999, meanTime=0;
dc7ca31d	138
e0bba6cc	139
e0bba6cc	140
94c27e4f	141	AliT0RecPoint* frecpoints= new AliT0RecPoint ();
	142	clustersTree->Branch( "T0", "AliT0RecPoint" ,&frecpoints, 405,1);
	143
dc7ca31d	144	Float_t time[24], adc[24];
dc7ca31d	145	for (Int_t ipmt=0; ipmt<24; ipmt++) {
c41ceaac	146	if(timeCFD->At(ipmt)>0 ){
29d3e0eb	147	Double_t qt0 = Double_t(chargeQT0->At(ipmt));
29d3e0eb	148	Double_t qt1 = Double_t(chargeQT1->At(ipmt));
c41ceaac	149	if((qt1-qt0)>0) adc[ipmt] = TMath::Exp( Double_t (channelWidth*(qt1-qt0)/1000));
e8ed1cd0	150	time[ipmt] = calib-> WalkCorrection( ipmt, Int_t(qt1) , timeCFD->At(ipmt), "pdc" ) ;
c41ceaac	151
c41ceaac	152	//LED
29d3e0eb	153	Double_t sl = (timeLED->At(ipmt) - time[ipmt])*channelWidth;
74adb36a	154	Double_t qt=((TGraph*)fAmpLEDrec.At(ipmt))->Eval(sl/1000.);
29d3e0eb	155	frecpoints->SetTime(ipmt,time[ipmt]);
dc7ca31d	156	frecpoints->SetAmp(ipmt,adc[ipmt]);
c41ceaac	157	frecpoints->SetAmpLED(ipmt,qt);
dc7ca31d	158	}
	159	else {
	160	time[ipmt] = 0;
	161	adc[ipmt] = 0;
	162	}
	163	}
94c27e4f	164
dc7ca31d	165	for (Int_t ipmt=0; ipmt<12; ipmt++){
dc7ca31d	166	if(time[ipmt] > 1 ) {
c41ceaac	167	if(time[ipmt]<besttimeC){
	168	besttimeC=time[ipmt]; //timeC
	169	pmtBestC=ipmt;
dc7ca31d	170	}
	171	}
	172	}
	173	for ( Int_t ipmt=12; ipmt<24; ipmt++){
	174	if(time[ipmt] > 1) {
c41ceaac	175	if(time[ipmt]<besttimeA) {
	176	besttimeA=time[ipmt]; //timeA
	177	pmtBestA=ipmt;}
dc7ca31d	178	}
dc7ca31d	179	}
c41ceaac	180	if(besttimeA !=999999) frecpoints->SetTimeBestA(Int_t(besttimeA));
	181	if( besttimeC != 999999 ) frecpoints->SetTimeBestC(Int_t(besttimeC));
	182	AliDebug(1,Form(" besttimeA %f ps, besttimeC %f ps",besttimeA, besttimeC));
dc7ca31d	183	Float_t c = 0.0299792; // cm/ps
dc7ca31d	184	Float_t vertex = 0;
c41ceaac	185	if(besttimeA !=999999 && besttimeC != 999999 ){
94c27e4f	186	timeDiff =(besttimeC - besttimeA)*channelWidth;
94c27e4f	187	meanTime = (meanT0 - (besttimeA + besttimeC)/2) * channelWidth;
f16935f7	188	vertex = c*(timeDiff)/2. + (fdZonA - fdZonC)/2; //-(lenr-lenl))/2;
dc7ca31d	189	AliDebug(1,Form(" timeDiff %f ps, meanTime %f ps, vertex %f cm",timeDiff, meanTime,vertex ));
	190	frecpoints->SetVertex(vertex);
	191	frecpoints->SetMeanTime(Int_t(meanTime));
	192
	193	}
94c27e4f	194	//time in each channel as time[ipmt]-MeanTimeinThisChannel(with vertex=0)
	195	for (Int_t ipmt=0; ipmt<24; ipmt++) {
	196	if(time[ipmt]>1) {
c32fcee0	197	// time[ipmt] = (time[ipmt] - fTime0vertex[ipmt])*channelWidth;
c32fcee0	198	time[ipmt] = time[ipmt] * channelWidth;
94c27e4f	199	frecpoints->SetTime(ipmt,time[ipmt]);
	200	}
	201	}
dc7ca31d	202	clustersTree->Fill();
bd375212	203
	204	delete timeCFD;
	205	delete timeLED;
	206	delete chargeQT0;
	207	delete chargeQT1;
dc7ca31d	208	}
	209
	210
c41ceaac	211	//_______________________________________________________________________
	212
	213	void AliT0Reconstructor::Reconstruct(AliRawReader* rawReader, TTree*recTree) const
	214	{
94c27e4f	215	// T0 raw ->
	216	// T0RecPoint writing
	217
	218	//Q->T-> coefficients !!!! should be measured!!!
e8ed1cd0	219	Int_t allData[110][5];
c41ceaac	220
e8ed1cd0	221	Int_t timeCFD[24], timeLED[24], chargeQT0[24], chargeQT1[24];
aaa0a98f	222	TString option = GetOption();
ec930f55	223	AliDebug(1,Form("Option: %s\n", option.Data()));
e8ed1cd0	224
700e6b36	225	for (Int_t i0=0; i0<105; i0++)
700e6b36	226	{
e8ed1cd0	227	for (Int_t j0=0; j0<5; j0++) allData[i0][j0]=0;
700e6b36	228	}
700e6b36	229
e8ed1cd0	230
700e6b36	231	AliDebug(10," before read data ");
	232	AliT0RawReader myrawreader(rawReader);
	233	if (!myrawreader.Next())
91648df5	234	AliDebug(1,"No T0 raw data found!");
e8ed1cd0	235
	236	for (Int_t i=0; i<105; i++) {
	237	for (Int_t iHit=0; iHit<5; iHit++)
	238	{
	239	allData[i][iHit] = myrawreader.GetData(i,iHit);
	240	}
	241	}
700e6b36	242	AliT0Calibrator *calib = new AliT0Calibrator();
700e6b36	243
74adb36a	244	// Int_t mV2Mip = param->GetmV2Mip();
c41ceaac	245	//mV2Mip = param->GetmV2Mip();
8955c6b4	246	Float_t channelWidth = fParam->GetChannelWidth() ;
e8ed1cd0	247
74adb36a	248	Int_t meanT0 = fParam->GetMeanT0();
e8ed1cd0	249	if(option == "pdc"){
	250	for (Int_t in=0; in<24; in++)
	251	{
	252
	253	timeLED[in] = allData[in+1][0];
	254	timeCFD[in] = allData[in+25][0];
	255	chargeQT1[in] = allData[in+57][0];
	256	chargeQT0[in] = allData[in+80][0];
	257	}
	258	}
	259
	260	if(option == "cosmic") {
	261	for (Int_t in=0; in<12; in++)
	262	{
	263	timeCFD[in] = allData[in+1][0];
	264	timeCFD[in+12] = allData[in+1][0];
	265	timeLED[in] = allData[in+12+1][0];
	266	timeLED[in+12] = allData[in+68+1][0];
	267	}
	268
	269	for (Int_t in=0; in<24; in=in+2)
	270	{
	271	Int_t cc=in/2;
	272	chargeQT1[cc]=allData[in+25][0];
	273	chargeQT0[cc]=allData[in+26][0];
	274	}
	275	for (Int_t in=24; in<48; in=in+2)
700e6b36	276	{
e8ed1cd0	277	Int_t cc=in/2;
	278	chargeQT1[cc]=allData[in+57][0];
	279	chargeQT0[cc]=allData[in+58][0];
	280	}
	281
	282	}
	283	for (Int_t in=0; in<24; in++)
	284	AliDebug(10, Form(" readed Raw %i %i %i %i %i", in, timeLED[in],timeCFD[in],chargeQT0[in],chargeQT1[in]));
	285
c41ceaac	286
700e6b36	287	Float_t besttimeA=9999999;
700e6b36	288	Float_t besttimeC=9999999;
c41ceaac	289	Int_t pmtBestA=99999;
c41ceaac	290	Int_t pmtBestC=99999;
700e6b36	291	Float_t timeDiff=9999999, meanTime=0;
e8ed1cd0	292	Double_t qt=0;
c41ceaac	293
	294	AliT0RecPoint* frecpoints= new AliT0RecPoint ();
	295
	296	recTree->Branch( "T0", "AliT0RecPoint" ,&frecpoints, 405,1);
	297
	298
	299	Float_t time[24], adc[24];
	300	for (Int_t ipmt=0; ipmt<24; ipmt++) {
e8ed1cd0	301	if(timeCFD[ipmt]>0 ){
8955c6b4	302
aaa0a98f	303	if(option == "pdc"){
e8ed1cd0	304	Double_t qt0 = Double_t(chargeQT0[ipmt]);
e8ed1cd0	305	Double_t qt1 = Double_t(chargeQT1[ipmt]);
aaa0a98f	306	if((qt1-qt0)>0) adc[ipmt] = TMath::Exp( Double_t (channelWidth*(qt1-qt0)/1000));
e8ed1cd0	307
	308	time[ipmt] = calib-> WalkCorrection( ipmt,Int_t(qt1) , timeCFD[ipmt] ) ;
	309	Double_t sl = (timeLED[ipmt] - time[ipmt])*channelWidth;
	310	if(fAmpLEDrec.At(ipmt))
	311	qt=((TGraph*)fAmpLEDrec.At(ipmt))->Eval(sl/1000.);
aaa0a98f	312	frecpoints->SetTime(ipmt,time[ipmt]);
	313	frecpoints->SetAmp(ipmt,adc[ipmt]);
	314	frecpoints->SetAmpLED(ipmt,qt);
e8ed1cd0	315	AliDebug(1,Form(" QTC %f mv, time in chann %f ",adc[ipmt] ,time[ipmt]));
aaa0a98f	316	}
aaa0a98f	317	if(option == "cosmic") {
e8ed1cd0	318	Float_t qt0 = Float_t(chargeQT0[ipmt]);
	319	Float_t qt1 = Float_t(chargeQT1[ipmt]);
	320	if((qt1-qt0)>0) adc[ipmt] = qt1-qt0;
	321
	322	time[ipmt] = calib-> WalkCorrection( ipmt, Int_t(adc[ipmt]), timeCFD[ipmt] ) ;
	323	Double_t sl = timeLED[ipmt] - time[ipmt];
	324	if(fAmpLEDrec.At(ipmt))
	325	qt=((TGraph*)fAmpLEDrec.At(ipmt))->Eval(sl/1000.);
aaa0a98f	326	frecpoints->SetTime(ipmt,time[ipmt]);
	327	frecpoints->SetAmp(ipmt,adc[ipmt]);
	328	frecpoints->SetAmpLED(ipmt,qt);
e8ed1cd0	329	AliDebug(10,Form(" ipmt %i QTC %i , time in chann %i led %i ",
e8ed1cd0	330	ipmt, Int_t(adc[ipmt]) ,Int_t(time[ipmt]),Int_t( qt)));
aaa0a98f	331	}
aaa0a98f	332
c41ceaac	333	}
	334	else {
	335	time[ipmt] = 0;
	336	adc[ipmt] = 0;
	337	}
	338	}
aaa0a98f	339
c41ceaac	340	for (Int_t ipmt=0; ipmt<12; ipmt++){
	341	if(time[ipmt] > 1 ) {
	342	if(time[ipmt]<besttimeC){
	343	besttimeC=time[ipmt]; //timeC
	344	pmtBestC=ipmt;
	345	}
	346	}
	347	}
	348	for ( Int_t ipmt=12; ipmt<24; ipmt++){
	349	if(time[ipmt] > 1) {
	350	if(time[ipmt]<besttimeA) {
	351	besttimeA=time[ipmt]; //timeA
	352	pmtBestA=ipmt;}
	353	}
	354	}
700e6b36	355	if(besttimeA !=9999999) frecpoints->SetTimeBestA(Int_t(besttimeA));
700e6b36	356	if( besttimeC != 9999999 ) frecpoints->SetTimeBestC(Int_t(besttimeC));
c41ceaac	357	AliDebug(1,Form(" besttimeA %f ps, besttimeC %f ps",besttimeA, besttimeC));
c41ceaac	358	Float_t c = 0.0299792; // cm/ps
700e6b36	359	Float_t vertex = 99999;
700e6b36	360	if(besttimeA <9999999 && besttimeC < 9999999 ){
aaa0a98f	361	timeDiff =( besttimeC - besttimeA) *channelWidth;
	362	if(option == "pdc")
	363	meanTime = (meanT0 - (besttimeA + besttimeC)/2) * channelWidth;
	364	if(option == "cosmic") meanTime = (besttimeA + besttimeC)/2;
700e6b36	365	vertex = c*(timeDiff)/2. + (fdZonA - fdZonC)/2;
c41ceaac	366	AliDebug(1,Form(" timeDiff %f ps, meanTime %f ps, vertex %f cm",timeDiff, meanTime,vertex ));
	367	frecpoints->SetVertex(vertex);
	368	frecpoints->SetMeanTime(Int_t(meanTime));
	369
	370	}
94c27e4f	371	//time in each channel as time[ipmt]-MeanTimeinThisChannel(with vertex=0)
8955c6b4	372	/*
94c27e4f	373	for (Int_t ipmt=0; ipmt<24; ipmt++) {
94c27e4f	374	if(time[ipmt]>1) {
74adb36a	375	time[ipmt] = (time[ipmt] - fTime0vertex[ipmt])*channelWidth;
94c27e4f	376	frecpoints->SetTime(ipmt,time[ipmt]);
94c27e4f	377	}
8955c6b4	378	}
8955c6b4	379	*/
c41ceaac	380	recTree->Fill();
	381	}
	382	//____________________________________________________________
	383
d76c31f4	384	void AliT0Reconstructor::FillESD(TTree /digitsTree/, TTree clustersTree, AliESDEvent *pESD) const
dc7ca31d	385	{
	386
	387	/***************************************************
	388	Resonstruct digits to vertex position
	389	****************************************************/
	390
dc7ca31d	391	AliDebug(1,Form("Start FillESD T0"));
dc7ca31d	392
d76c31f4	393	TTree *treeR = clustersTree;
dc7ca31d	394
	395	AliT0RecPoint* frecpoints= new AliT0RecPoint ();
	396	if (!frecpoints) {
	397	AliError("Reconstruct Fill ESD >> no recpoints found");
	398	return;
	399	}
	400
	401	AliDebug(1,Form("Start FillESD T0"));
	402	TBranch *brRec = treeR->GetBranch("T0");
	403	if (brRec) {
	404	brRec->SetAddress(&frecpoints);
	405	}else{
f16935f7	406	AliError(Form("EXEC Branch T0 rec not found"));
dc7ca31d	407	return;
	408	}
	409
	410	brRec->GetEntry(0);
f16935f7	411	Float_t amp[24], time[24];
	412	Float_t zPosition = frecpoints -> GetVertex();
	413	Float_t timeStart = frecpoints -> GetMeanTime() ;
	414	for ( Int_t i=0; i<24; i++) {
94c27e4f	415	time[i] = Float_t (frecpoints -> GetTime(i)); // ps to ns
dc7ca31d	416	amp[i] = frecpoints -> GetAmp(i);
dc7ca31d	417	}
f16935f7	418	pESD->SetT0zVertex(zPosition); //vertex Z position
dc7ca31d	419	pESD->SetT0(timeStart); // interaction time
	420	pESD->SetT0time(time); // best TOF on each PMT
	421	pESD->SetT0amplitude(amp); // number of particles(MIPs) on each PMT
5325480c	422
f16935f7	423	AliDebug(1,Form(" Z position %f cm, T0 %f ps",zPosition , timeStart));
dc7ca31d	424
dc7ca31d	425	} // vertex in 3 sigma
	426
	427
	428
	429
	430
	431