[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();

}

//_____________________________________________________________________________
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( 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]));
      
      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=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];       
       
       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] = chargeQT0[ipmt] - chargeQT1[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( refAmp,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->SetAmpLED(ipmt, Float_t( qtMip)); //for cosmic &pp beam 
	   frecpoints->SetAmp(ipmt, Float_t(ampMip));
	     
	 }
	 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-ref) + (besttimeC-ref))/2.);  
	 timeclock = Float_t(meanTime);
	 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
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
74adb36a	53	fParam = AliT0Parameters::Instance();
74adb36a	54	fParam->Init();
c883fdf2	55
74adb36a	56	for (Int_t i=0; i<24; i++){
2e6a5ee0	57	TGraph* gr = fParam ->GetAmpLEDRec(i);
29ed1d0e	58	if (gr) fAmpLEDrec.AddAtAndExpand(gr,i) ;
c883fdf2	59	TGraph* gr1 = fParam ->GetAmpLED(i);
	60	if (gr1) fAmpLED.AddAtAndExpand(gr1,i) ;
	61	TGraph* gr2 = fParam ->GetQTC(i);
539b9cb9	62	if (gr2) fQTC.AddAtAndExpand(gr2,i) ;
c883fdf2	63	}
539b9cb9	64
29ed1d0e	65
f16935f7	66	fdZonC = TMath::Abs(fParam->GetZPositionShift("T0/C/PMT1"));
f16935f7	67	fdZonA = TMath::Abs(fParam->GetZPositionShift("T0/A/PMT15"));
539b9cb9	68
12e9daf9	69	fCalib = new AliT0Calibrator();
12e9daf9	70
dc7ca31d	71	}
c41ceaac	72
c41ceaac	73	//_____________________________________________________________________________
dc7ca31d	74	void AliT0Reconstructor::Reconstruct(TTreedigitsTree, TTreeclustersTree) const
94c27e4f	75
dc7ca31d	76	{
94c27e4f	77	// T0 digits reconstruction
c555f418	78	Int_t refAmp = GetRecoParam()->GetRefAmp();
776de217	79
c41ceaac	80	TArrayI * timeCFD = new TArrayI(24);
	81	TArrayI * timeLED = new TArrayI(24);
	82	TArrayI * chargeQT0 = new TArrayI(24);
	83	TArrayI * chargeQT1 = new TArrayI(24);
74adb36a	84
d0bcd1fb	85
8955c6b4	86	Float_t channelWidth = fParam->GetChannelWidth() ;
b95e8d87	87	Float_t meanVertex = fParam->GetMeanVertex();
776de217	88	Float_t c = 0.0299792; // cm/ps
	89	Float_t vertex = 9999999;
	90	Int_t timeDiff=999999, meanTime=999999, timeclock=999999;
	91
94c27e4f	92
dc7ca31d	93	AliDebug(1,Form("Start DIGITS reconstruction "));
94c27e4f	94
2e6a5ee0	95
d0bcd1fb	96	TBranch *brDigits=digitsTree->GetBranch("T0");
e0bba6cc	97	AliT0digit *fDigits = new AliT0digit() ;
dc7ca31d	98	if (brDigits) {
	99	brDigits->SetAddress(&fDigits);
	100	}else{
f16935f7	101	AliError(Form("EXEC Branch T0 digits not found"));
f16935f7	102	return;
dc7ca31d	103	}
e0bba6cc	104
c41ceaac	105	digitsTree->GetEvent(0);
	106	digitsTree->GetEntry(0);
	107	brDigits->GetEntry(0);
	108	fDigits->GetTimeCFD(*timeCFD);
	109	fDigits->GetTimeLED(*timeLED);
	110	fDigits->GetQT0(*chargeQT0);
	111	fDigits->GetQT1(*chargeQT1);
446d6ec4	112	Int_t onlineMean = fDigits->MeanTime();
776de217	113	Int_t ref = fDigits->RefPoint();
c883fdf2	114
c41ceaac	115
	116	Float_t besttimeA=999999;
	117	Float_t besttimeC=999999;
	118	Int_t pmtBestA=99999;
	119	Int_t pmtBestC=99999;
dc7ca31d	120
94c27e4f	121	AliT0RecPoint* frecpoints= new AliT0RecPoint ();
	122	clustersTree->Branch( "T0", "AliT0RecPoint" ,&frecpoints, 405,1);
	123
b95e8d87	124	Float_t time[24], adc[24];
dc7ca31d	125	for (Int_t ipmt=0; ipmt<24; ipmt++) {
c41ceaac	126	if(timeCFD->At(ipmt)>0 ){
d0bcd1fb	127	if(( chargeQT1->At(ipmt) - chargeQT0->At(ipmt))>0)
d0bcd1fb	128	adc[ipmt] = chargeQT1->At(ipmt) - chargeQT0->At(ipmt);
a7027400	129	else
d0bcd1fb	130	adc[ipmt] = 0;
d0bcd1fb	131
541b42c4	132	// time[ipmt] = fCalib-> WalkCorrection(refAmp, ipmt, adc[ipmt], timeCFD->At(ipmt)) ;
d0bcd1fb	133
d0bcd1fb	134	Double_t sl = Double_t(timeLED->At(ipmt) - timeCFD->At(ipmt));
541b42c4	135	time[ipmt] = fCalib-> WalkCorrection( refAmp,ipmt, Int_t(sl), timeCFD->At(ipmt) ) ;
d0bcd1fb	136	AliDebug(10,Form(" ipmt %i QTC %i , time in chann %i (led-cfd) %i ",
d0bcd1fb	137	ipmt, Int_t(adc[ipmt]) ,Int_t(time[ipmt]),Int_t( sl)));
776de217	138
d0bcd1fb	139	Double_t ampMip =((TGraph*)fAmpLED.At(ipmt))->Eval(sl);
	140	Double_t qtMip = ((TGraph*)fQTC.At(ipmt))->Eval(adc[ipmt]);
	141	AliDebug(10,Form(" Amlitude in MIPS LED %f , QTC %f in channels %i\n ",ampMip,qtMip, adc[ipmt]));
	142
	143	frecpoints->SetTime(ipmt, Float_t(time[ipmt]) );
	144	frecpoints->SetAmp(ipmt, Float_t( ampMip)); //for cosmic &pp beam
	145	frecpoints->SetAmpLED(ipmt, Float_t(qtMip));
	146
dc7ca31d	147	}
	148	else {
	149	time[ipmt] = 0;
	150	adc[ipmt] = 0;
	151	}
	152	}
94c27e4f	153
dc7ca31d	154	for (Int_t ipmt=0; ipmt<12; ipmt++){
dc7ca31d	155	if(time[ipmt] > 1 ) {
c41ceaac	156	if(time[ipmt]<besttimeC){
	157	besttimeC=time[ipmt]; //timeC
	158	pmtBestC=ipmt;
dc7ca31d	159	}
	160	}
	161	}
	162	for ( Int_t ipmt=12; ipmt<24; ipmt++){
	163	if(time[ipmt] > 1) {
c41ceaac	164	if(time[ipmt]<besttimeA) {
	165	besttimeA=time[ipmt]; //timeA
	166	pmtBestA=ipmt;}
dc7ca31d	167	}
dc7ca31d	168	}
c41ceaac	169	if(besttimeA !=999999) frecpoints->SetTimeBestA(Int_t(besttimeA));
c41ceaac	170	if( besttimeC != 999999 ) frecpoints->SetTimeBestC(Int_t(besttimeC));
d0bcd1fb	171	AliDebug(10,Form(" besttimeA %f ch, besttimeC %f ch",besttimeA, besttimeC));
776de217	172	if(besttimeA !=999999 && besttimeC != 999999 ){
9b83615d	173	// timeDiff = (besttimeC - besttimeA)*channelWidth;
9b83615d	174	timeDiff = (besttimeA - besttimeC)*channelWidth;
d0bcd1fb	175	meanTime = Float_t((besttimeA + besttimeC)/2);// * channelWidth);
776de217	176	timeclock = Float_t(meanTime - ref);
d0bcd1fb	177	vertex = meanVertex - c*(timeDiff)/2.;// + (fdZonA - fdZonC)/2;
776de217	178	}
dc7ca31d	179	frecpoints->SetVertex(vertex);
776de217	180	frecpoints->SetMeanTime(meanTime);
776de217	181	frecpoints->SetT0clock(timeclock);
446d6ec4	182	//online mean
d0bcd1fb	183	frecpoints->SetOnlineMean(Int_t(onlineMean));
776de217	184	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));
dc7ca31d	185
776de217	186	// }
b95e8d87	187
dc7ca31d	188	clustersTree->Fill();
bd375212	189
	190	delete timeCFD;
	191	delete timeLED;
	192	delete chargeQT0;
	193	delete chargeQT1;
dc7ca31d	194	}
	195
	196
c41ceaac	197	//_______________________________________________________________________
	198
	199	void AliT0Reconstructor::Reconstruct(AliRawReader* rawReader, TTree*recTree) const
	200	{
94c27e4f	201	// T0 raw ->
539b9cb9	202	//
	203	// reference amplitude and time ref. point from reco param
	204
c555f418	205	Int_t refAmp = GetRecoParam()->GetRefAmp();
c555f418	206	Int_t refPoint = GetRecoParam()->GetRefPoint();
539b9cb9	207
e8ed1cd0	208	Int_t allData[110][5];
2e6a5ee0	209
e8ed1cd0	210	Int_t timeCFD[24], timeLED[24], chargeQT0[24], chargeQT1[24];
776de217	211	Int_t timeDiff=999999, meanTime=999999, timeclock=999999;
	212	Float_t c = 0.0299792458; // cm/ps
	213	Float_t vertex = 9999999;
	214	Int_t onlineMean=0;
bce12dc5	215	for (Int_t i0=0; i0<105; i0++)
	216	{
	217	for (Int_t j0=0; j0<5; j0++) allData[i0][j0]=0;
	218	}
2e6a5ee0	219
bce12dc5	220	Float_t besttimeA=9999999;
	221	Float_t besttimeC=9999999;
	222	Int_t pmtBestA=99999;
	223	Int_t pmtBestC=99999;
b95e8d87	224	Float_t meanVertex = fParam->GetMeanVertex();
29a60970	225
bce12dc5	226	AliT0RecPoint* frecpoints= new AliT0RecPoint ();
	227
	228	recTree->Branch( "T0", "AliT0RecPoint" ,&frecpoints, 405,1);
2e6a5ee0	229
bce12dc5	230	AliDebug(10," before read data ");
bce12dc5	231	AliT0RawReader myrawreader(rawReader);
776de217	232
	233	UInt_t type =rawReader->GetType();
	234
bce12dc5	235	if (!myrawreader.Next())
	236	AliDebug(1,Form(" no raw data found!!"));
	237	else
	238	{
776de217	239	if(type == 7) { //only physics
bce12dc5	240	for (Int_t i=0; i<105; i++) {
	241	for (Int_t iHit=0; iHit<5; iHit++)
	242	{
	243	allData[i][iHit] = myrawreader.GetData(i,iHit);
	244	}
	245	}
541b42c4	246	Int_t ref=0;
	247	if (refPoint>0)
	248	ref = allData[refPoint][0]-5000.;
	249
bce12dc5	250	Float_t channelWidth = fParam->GetChannelWidth() ;
	251
	252	// Int_t meanT0 = fParam->GetMeanT0();
d0bcd1fb	253
bce12dc5	254
	255	for (Int_t in=0; in<12; in++)
	256	{
	257	timeCFD[in] = allData[in+1][0] ;
	258	timeCFD[in+12] = allData[in+56+1][0] ;
	259	timeLED[in] = allData[in+12+1][0] ;
	260	timeLED[in+12] = allData[in+68+1][0] ;
d0bcd1fb	261	AliDebug(10, Form(" readed i %i cfdC %i cfdA %i ledC %i ledA%i ",
	262	in, timeCFD[in],timeCFD[in+12],timeLED[in],
	263	timeLED[in+12]));
bce12dc5	264	}
	265
	266	for (Int_t in=0; in<12; in++)
	267	{
d0bcd1fb	268	chargeQT0[in]=allData[2*in+25][0];
d0bcd1fb	269	chargeQT1[in]=allData[2*in+26][0];
bce12dc5	270	}
	271
	272	for (Int_t in=12; in<24; in++)
	273	{
d0bcd1fb	274	chargeQT0[in]=allData[2*in+57][0];
d0bcd1fb	275	chargeQT1[in]=allData[2*in+58][0];
bce12dc5	276	}
bce12dc5	277
d0bcd1fb	278	// } //cosmic with physics event
2e6a5ee0	279	for (Int_t in=0; in<24; in++)
c883fdf2	280	AliDebug(10, Form(" readed Raw %i %i %i %i %i",
c883fdf2	281	in, timeLED[in],timeCFD[in],chargeQT0[in],chargeQT1[in]));
776de217	282	onlineMean = allData[49][0];
2e6a5ee0	283
12e9daf9	284	Float_t time[24], adc[24];
2e6a5ee0	285	for (Int_t ipmt=0; ipmt<24; ipmt++) {
2e6a5ee0	286	if(timeCFD[ipmt]>0 && timeLED[ipmt]>0){
bce12dc5	287	//for simulated data
d0bcd1fb	288	//for physics data
d0bcd1fb	289	if(( chargeQT1[ipmt] - chargeQT0[ipmt])>0)
541b42c4	290	adc[ipmt] = chargeQT0[ipmt] - chargeQT1[ipmt];
d0bcd1fb	291	else
d0bcd1fb	292	adc[ipmt] = 0;
bce12dc5	293
539b9cb9	294
40043664	295	// time[ipmt] = fCalib-> WalkCorrection(refAmp, ipmt, adc[ipmt], timeCFD[ipmt] ) ;
bce12dc5	296
d0bcd1fb	297	Double_t sl = timeLED[ipmt] - timeCFD[ipmt];
40043664	298	time[ipmt] = fCalib-> WalkCorrection( refAmp,ipmt, Int_t(sl), timeCFD[ipmt] ) ;
d0bcd1fb	299	AliDebug(10,Form(" ipmt %i QTC %i , time in chann %i (led-cfd) %i ",
	300	ipmt, Int_t(adc[ipmt]) ,Int_t(time[ipmt]),Int_t( sl)));
	301	Double_t ampMip =( (TGraph*)fAmpLED.At(ipmt))->Eval(sl);
	302	Double_t qtMip = ((TGraph*)fQTC.At(ipmt))->Eval(adc[ipmt]);
	303	AliDebug(10,Form(" Amlitude in MIPS LED %f ; QTC %f; in channels %i\n ",ampMip,qtMip, adc[ipmt]));
bce12dc5	304
d0bcd1fb	305	frecpoints->SetTime(ipmt, Float_t(time[ipmt]) );
541b42c4	306	frecpoints->SetAmpLED(ipmt, Float_t( qtMip)); //for cosmic &pp beam
541b42c4	307	frecpoints->SetAmp(ipmt, Float_t(ampMip));
bce12dc5	308
2e6a5ee0	309	}
	310	else {
	311	time[ipmt] = 0;
	312	adc[ipmt] = 0;
	313	}
	314	}
	315
	316	for (Int_t ipmt=0; ipmt<12; ipmt++){
	317	if(time[ipmt] > 1 ) {
	318	if(time[ipmt]<besttimeC){
	319	besttimeC=time[ipmt]; //timeC
	320	pmtBestC=ipmt;
	321	}
	322	}
	323	}
	324	for ( Int_t ipmt=12; ipmt<24; ipmt++){
	325	if(time[ipmt] > 1) {
	326	if(time[ipmt]<besttimeA) {
	327	besttimeA=time[ipmt]; //timeA
	328	pmtBestA=ipmt;}
	329	}
	330	}
	331	if(besttimeA !=9999999) frecpoints->SetTimeBestA(Int_t(besttimeA));
	332	if( besttimeC != 9999999 ) frecpoints->SetTimeBestC(Int_t(besttimeC));
539b9cb9	333	AliDebug(5,Form(" pmtA %i besttimeA %f ps, pmtC %i besttimeC %f #channel",
d0bcd1fb	334	pmtBestA,besttimeA, pmtBestC, besttimeC));
776de217	335	if(besttimeA <9999999 && besttimeC < 9999999 ){
9b83615d	336	timeDiff = ( besttimeA - besttimeC) *channelWidth;
541b42c4	337	meanTime = Float_t(((besttimeA-ref) + (besttimeC-ref))/2.);
541b42c4	338	timeclock = Float_t(meanTime);
d0bcd1fb	339	vertex = meanVertex - c*(timeDiff)/2.; //+ (fdZonA - fdZonC)/2;
2e6a5ee0	340	}
776de217	341	} //if phys event
	342	frecpoints->SetT0clock(timeclock);
	343	frecpoints->SetVertex(vertex);
	344	frecpoints->SetMeanTime(Int_t(meanTime));
	345	frecpoints->SetOnlineMean(Int_t(onlineMean));
	346	AliDebug(5,Form(" timeDiff %f #channel, meanTime %f #channel, vertex %f cm meanVertex %f online mean %i ",timeDiff, meanTime,vertex,meanVertex, onlineMean));
	347
	348
bce12dc5	349	} // if (else )raw data
	350	recTree->Fill();
	351	if(frecpoints) delete frecpoints;
c41ceaac	352	}
bce12dc5	353
bce12dc5	354
c41ceaac	355	//____________________________________________________________
c41ceaac	356
d76c31f4	357	void AliT0Reconstructor::FillESD(TTree /digitsTree/, TTree clustersTree, AliESDEvent *pESD) const
dc7ca31d	358	{
	359
	360	/***************************************************
	361	Resonstruct digits to vertex position
	362	****************************************************/
	363
dc7ca31d	364	AliDebug(1,Form("Start FillESD T0"));
dc7ca31d	365
d76c31f4	366	TTree *treeR = clustersTree;
dc7ca31d	367
	368	AliT0RecPoint* frecpoints= new AliT0RecPoint ();
	369	if (!frecpoints) {
	370	AliError("Reconstruct Fill ESD >> no recpoints found");
	371	return;
	372	}
	373
	374	AliDebug(1,Form("Start FillESD T0"));
	375	TBranch *brRec = treeR->GetBranch("T0");
	376	if (brRec) {
	377	brRec->SetAddress(&frecpoints);
	378	}else{
f16935f7	379	AliError(Form("EXEC Branch T0 rec not found"));
dc7ca31d	380	return;
	381	}
	382
	383	brRec->GetEntry(0);
f16935f7	384	Float_t amp[24], time[24];
	385	Float_t zPosition = frecpoints -> GetVertex();
	386	Float_t timeStart = frecpoints -> GetMeanTime() ;
776de217	387	Float_t timeClock = frecpoints -> GetT0clock() ;
776de217	388	for ( Int_t i=0; i<24; i++) {
94c27e4f	389	time[i] = Float_t (frecpoints -> GetTime(i)); // ps to ns
dc7ca31d	390	amp[i] = frecpoints -> GetAmp(i);
dc7ca31d	391	}
f16935f7	392	pESD->SetT0zVertex(zPosition); //vertex Z position
dc7ca31d	393	pESD->SetT0(timeStart); // interaction time
776de217	394	pESD->SetT0clock(timeClock); // interaction time with ref.point(spectrum)
dc7ca31d	395	pESD->SetT0time(time); // best TOF on each PMT
dc7ca31d	396	pESD->SetT0amplitude(amp); // number of particles(MIPs) on each PMT
5325480c	397
f16935f7	398	AliDebug(1,Form(" Z position %f cm, T0 %f ps",zPosition , timeStart));
dc7ca31d	399
dc7ca31d	400	} // vertex in 3 sigma
	401
	402
	403
	404
	405
	406