[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(),
					     fCalib()
{
  //constructor

 AliDebug(1,"Start reconstructor ");
  
  fParam = AliT0Parameters::Instance();
  fParam->Init();
  
  for (Int_t i=0; i<24; i++){
        TGraph* gr = fParam ->GetAmpLEDRec(i);
	if (gr) fAmpLEDrec.AddAtAndExpand(gr,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(),
					     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); 


  //  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] = Int_t (TMath::Exp( Double_t (channelWidth*(qt1-qt0)/1000)));

      time[ipmt] = fCalib-> 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.);
      AliDebug(1,Form(" ipmt %i QTC %i , time in chann %i (led-cfd) %i ",
		       ipmt, Int_t(adc[ipmt]) ,Int_t(time[ipmt]),Int_t( sl)));
      frecpoints->SetTime(ipmt,Int_t(time[ipmt]));
      frecpoints->SetAmp(ipmt,Int_t (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 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 = 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] =Int_t  ( Float_t(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(10,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; 	
     }
   
   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);
   
   
   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();
       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+56+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 time[24], adc[24];
       for (Int_t ipmt=0; ipmt<24; ipmt++) {
	 if(timeCFD[ipmt]>0 && timeLED[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] = Int_t(TMath::Exp( Double_t (channelWidth*(qt1-qt0)/1000.)));
	     time[ipmt] = fCalib-> WalkCorrection( ipmt,Int_t(qt1) , timeCFD[ipmt], "pdc" ) ;
	     Double_t sl = (timeLED[ipmt] - time[ipmt])*channelWidth;
	     if(fAmpLEDrec.At(ipmt)) 
	       qt=((TGraph*)fAmpLEDrec.At(ipmt))->Eval(sl/1000.);
	     frecpoints->SetTime(ipmt,Int_t(time[ipmt]));
	     frecpoints->SetAmp(ipmt,Int_t(adc[ipmt]));
	     frecpoints->SetAmpLED(ipmt,qt);
	     AliDebug(10,Form(" QTC %f mv,  time in chann %f ",adc[ipmt] ,time[ipmt]));
	   }
	   if(option == "cosmic") {
	     //	     if(ipmt == 15) continue; //skip crashed PMT
	     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],"cosmic" ) ;
	     // time[ipmt] =  timeCFD[ipmt] ;
	     Double_t sl = timeLED[ipmt] - timeCFD[ipmt];
	     time[ipmt] = fCalib-> WalkCorrection( ipmt, Int_t(sl), timeCFD[ipmt],"cosmic" ) ;
	     //	     if(fAmpLEDrec.At(ipmt)) 
	     // qt=((TGraph*)fAmpLEDrec.At(ipmt))->Eval(sl);
	     time[ipmt] = time[ipmt] - allData[0][0] + 5000;
	     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)));
	     frecpoints->SetTime(ipmt, Float_t(time[ipmt]) );
	     frecpoints->SetAmp(ipmt, Float_t(adc[ipmt]));
	     frecpoints->SetAmpLED(ipmt, Float_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 = Int_t((meanT0 - (besttimeA + besttimeC)/2) * channelWidth);
	   meanTime = (besttimeA + besttimeC)/2 * channelWidth; 
	 if(option == "cosmic")
	   meanTime =  Float_t((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));
	 
       }
     } // 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>
2e6a5ee0	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),
2e6a5ee0	46	fAmpLEDrec(),
2e6a5ee0	47	fCalib()
e0bba6cc	48	{
72e48d95	49	//constructor
72e48d95	50
c41ceaac	51	AliDebug(1,"Start reconstructor ");
74adb36a	52
	53	fParam = AliT0Parameters::Instance();
	54	fParam->Init();
29ed1d0e	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) ;
	59	}
	60
f16935f7	61	fdZonC = TMath::Abs(fParam->GetZPositionShift("T0/C/PMT1"));
f16935f7	62	fdZonA = TMath::Abs(fParam->GetZPositionShift("T0/A/PMT15"));
12e9daf9	63	fCalib = new AliT0Calibrator();
12e9daf9	64
c41ceaac	65	}
c41ceaac	66	//____________________________________________________________________
e0bba6cc	67
c41ceaac	68	AliT0Reconstructor::AliT0Reconstructor(const AliT0Reconstructor &r):
d76c31f4	69	AliReconstructor(r),
f16935f7	70	fdZonA(0),
	71	fdZonC(0),
	72	fZposition(0),
	73	fParam(NULL),
2e6a5ee0	74	fAmpLEDrec(),
	75	fCalib()
	76
f16935f7	77	{
c41ceaac	78	//
	79	// AliT0Reconstructor copy constructor
	80	//
e0bba6cc	81
c41ceaac	82	((AliT0Reconstructor &) r).Copy(*this);
e0bba6cc	83
	84	}
	85
c41ceaac	86	//_____________________________________________________________________________
c41ceaac	87	AliT0Reconstructor &AliT0Reconstructor::operator=(const AliT0Reconstructor &r)
dc7ca31d	88	{
c41ceaac	89	//
	90	// Assignment operator
	91	//
	92
	93	if (this != &r) ((AliT0Reconstructor &) r).Copy(*this);
	94	return *this;
e0bba6cc	95
dc7ca31d	96	}
c41ceaac	97
	98	//_____________________________________________________________________________
	99
dc7ca31d	100	void AliT0Reconstructor::Reconstruct(TTreedigitsTree, TTreeclustersTree) const
94c27e4f	101
dc7ca31d	102	{
94c27e4f	103	// T0 digits reconstruction
94c27e4f	104	// T0RecPoint writing
c41ceaac	105
74adb36a	106
c41ceaac	107	TArrayI * timeCFD = new TArrayI(24);
	108	TArrayI * timeLED = new TArrayI(24);
	109	TArrayI * chargeQT0 = new TArrayI(24);
	110	TArrayI * chargeQT1 = new TArrayI(24);
74adb36a	111
dc7ca31d	112
94c27e4f	113	// Int_t mV2Mip = param->GetmV2Mip();
dc7ca31d	114	//mV2Mip = param->GetmV2Mip();
8955c6b4	115	Float_t channelWidth = fParam->GetChannelWidth() ;
12e9daf9	116	// Int_t meanT0 = fParam->GetMeanT0();
94c27e4f	117
dc7ca31d	118	AliDebug(1,Form("Start DIGITS reconstruction "));
94c27e4f	119
2e6a5ee0	120
2e6a5ee0	121	TBranch *brDigits=digitsTree->GetBranch("T0");
e0bba6cc	122	AliT0digit *fDigits = new AliT0digit() ;
dc7ca31d	123	if (brDigits) {
	124	brDigits->SetAddress(&fDigits);
	125	}else{
f16935f7	126	AliError(Form("EXEC Branch T0 digits not found"));
f16935f7	127	return;
dc7ca31d	128	}
e0bba6cc	129
c41ceaac	130	digitsTree->GetEvent(0);
	131	digitsTree->GetEntry(0);
	132	brDigits->GetEntry(0);
	133	fDigits->GetTimeCFD(*timeCFD);
	134	fDigits->GetTimeLED(*timeLED);
	135	fDigits->GetQT0(*chargeQT0);
	136	fDigits->GetQT1(*chargeQT1);
c32fcee0	137
c41ceaac	138
	139	Float_t besttimeA=999999;
	140	Float_t besttimeC=999999;
	141	Int_t pmtBestA=99999;
	142	Int_t pmtBestC=99999;
dc7ca31d	143	Float_t timeDiff=999999, meanTime=0;
dc7ca31d	144
e0bba6cc	145
94c27e4f	146	AliT0RecPoint* frecpoints= new AliT0RecPoint ();
	147	clustersTree->Branch( "T0", "AliT0RecPoint" ,&frecpoints, 405,1);
	148
12e9daf9	149	Float_t time[24], adc[24];
dc7ca31d	150	for (Int_t ipmt=0; ipmt<24; ipmt++) {
c41ceaac	151	if(timeCFD->At(ipmt)>0 ){
29d3e0eb	152	Double_t qt0 = Double_t(chargeQT0->At(ipmt));
29d3e0eb	153	Double_t qt1 = Double_t(chargeQT1->At(ipmt));
12e9daf9	154	if((qt1-qt0)>0) adc[ipmt] = Int_t (TMath::Exp( Double_t (channelWidth*(qt1-qt0)/1000)));
12e9daf9	155
2e6a5ee0	156	time[ipmt] = fCalib-> WalkCorrection( ipmt, Int_t(qt1) , timeCFD->At(ipmt), "pdc" ) ;
c41ceaac	157
c41ceaac	158	//LED
29d3e0eb	159	Double_t sl = (timeLED->At(ipmt) - time[ipmt])*channelWidth;
74adb36a	160	Double_t qt=((TGraph*)fAmpLEDrec.At(ipmt))->Eval(sl/1000.);
12e9daf9	161	AliDebug(1,Form(" ipmt %i QTC %i , time in chann %i (led-cfd) %i ",
	162	ipmt, Int_t(adc[ipmt]) ,Int_t(time[ipmt]),Int_t( sl)));
	163	frecpoints->SetTime(ipmt,Int_t(time[ipmt]));
	164	frecpoints->SetAmp(ipmt,Int_t (adc[ipmt]));
c41ceaac	165	frecpoints->SetAmpLED(ipmt,qt);
dc7ca31d	166	}
	167	else {
	168	time[ipmt] = 0;
	169	adc[ipmt] = 0;
	170	}
	171	}
94c27e4f	172
dc7ca31d	173	for (Int_t ipmt=0; ipmt<12; ipmt++){
dc7ca31d	174	if(time[ipmt] > 1 ) {
c41ceaac	175	if(time[ipmt]<besttimeC){
	176	besttimeC=time[ipmt]; //timeC
	177	pmtBestC=ipmt;
dc7ca31d	178	}
	179	}
	180	}
	181	for ( Int_t ipmt=12; ipmt<24; ipmt++){
	182	if(time[ipmt] > 1) {
c41ceaac	183	if(time[ipmt]<besttimeA) {
	184	besttimeA=time[ipmt]; //timeA
	185	pmtBestA=ipmt;}
dc7ca31d	186	}
dc7ca31d	187	}
c41ceaac	188	if(besttimeA !=999999) frecpoints->SetTimeBestA(Int_t(besttimeA));
c41ceaac	189	if( besttimeC != 999999 ) frecpoints->SetTimeBestC(Int_t(besttimeC));
12e9daf9	190	AliDebug(1,Form(" besttimeA %f ch, besttimeC %f ch",besttimeA, besttimeC));
dc7ca31d	191	Float_t c = 0.0299792; // cm/ps
dc7ca31d	192	Float_t vertex = 0;
c41ceaac	193	if(besttimeA !=999999 && besttimeC != 999999 ){
12e9daf9	194	timeDiff = (besttimeC - besttimeA)*channelWidth;
	195	meanTime = (Float_t((besttimeA + besttimeC)/2) * channelWidth);
	196	// meanTime = (meanT0 - (besttimeA + besttimeC)/2) * channelWidth;
f16935f7	197	vertex = c*(timeDiff)/2. + (fdZonA - fdZonC)/2; //-(lenr-lenl))/2;
dc7ca31d	198	AliDebug(1,Form(" timeDiff %f ps, meanTime %f ps, vertex %f cm",timeDiff, meanTime,vertex ));
	199	frecpoints->SetVertex(vertex);
	200	frecpoints->SetMeanTime(Int_t(meanTime));
	201
	202	}
94c27e4f	203	//time in each channel as time[ipmt]-MeanTimeinThisChannel(with vertex=0)
	204	for (Int_t ipmt=0; ipmt<24; ipmt++) {
	205	if(time[ipmt]>1) {
c32fcee0	206	// time[ipmt] = (time[ipmt] - fTime0vertex[ipmt])*channelWidth;
12e9daf9	207	time[ipmt] =Int_t ( Float_t(time[ipmt]) * channelWidth);
94c27e4f	208	frecpoints->SetTime(ipmt,time[ipmt]);
	209	}
	210	}
dc7ca31d	211	clustersTree->Fill();
bd375212	212
	213	delete timeCFD;
	214	delete timeLED;
	215	delete chargeQT0;
	216	delete chargeQT1;
dc7ca31d	217	}
	218
	219
c41ceaac	220	//_______________________________________________________________________
	221
	222	void AliT0Reconstructor::Reconstruct(AliRawReader* rawReader, TTree*recTree) const
	223	{
94c27e4f	224	// T0 raw ->
	225	// T0RecPoint writing
	226
	227	//Q->T-> coefficients !!!! should be measured!!!
e8ed1cd0	228	Int_t allData[110][5];
2e6a5ee0	229
e8ed1cd0	230	Int_t timeCFD[24], timeLED[24], chargeQT0[24], chargeQT1[24];
aaa0a98f	231	TString option = GetOption();
2e6a5ee0	232	AliDebug(10,Form("Option: %s\n", option.Data()));
	233
	234	for (Int_t i0=0; i0<105; i0++)
	235	{
	236	for (Int_t j0=0; j0<5; j0++) allData[i0][j0]=0;
	237	}
	238
12e9daf9	239	Float_t besttimeA=9999999;
12e9daf9	240	Float_t besttimeC=9999999;
2e6a5ee0	241	Int_t pmtBestA=99999;
2e6a5ee0	242	Int_t pmtBestC=99999;
12e9daf9	243	Float_t timeDiff=9999999, meanTime=0;
2e6a5ee0	244	Double_t qt=0;
	245
	246	AliT0RecPoint* frecpoints= new AliT0RecPoint ();
	247
	248	recTree->Branch( "T0", "AliT0RecPoint" ,&frecpoints, 405,1);
	249
	250
	251	AliDebug(10," before read data ");
	252	AliT0RawReader myrawreader(rawReader);
	253	if (!myrawreader.Next())
	254	AliDebug(1,Form(" no raw data found!!"));
	255	else
	256	{
	257	for (Int_t i=0; i<105; i++) {
	258	for (Int_t iHit=0; iHit<5; iHit++)
	259	{
	260	allData[i][iHit] = myrawreader.GetData(i,iHit);
	261	}
	262	}
	263
	264	Float_t channelWidth = fParam->GetChannelWidth() ;
	265
12e9daf9	266	// Int_t meanT0 = fParam->GetMeanT0();
2e6a5ee0	267	if(option == "pdc"){
	268	for (Int_t in=0; in<24; in++)
	269	{
	270
	271	timeLED[in] = allData[in+1][0] ;
	272	timeCFD[in] = allData[in+25][0] ;
	273	chargeQT1[in] = allData[in+57][0] ;
	274	chargeQT0[in] = allData[in+80][0] ;
	275	}
	276	}
	277
	278	if(option == "cosmic") {
	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] ;
	285	}
	286
	287	for (Int_t in=0; in<24; in=in+2)
	288	{
	289	Int_t cc=in/2;
	290	chargeQT1[cc]=allData[in+25][0];
	291	chargeQT0[cc]=allData[in+26][0];
	292	}
	293	for (Int_t in=24; in<48; in=in+2)
	294	{
	295	Int_t cc=in/2;
	296	chargeQT1[cc]=allData[in+57][0];
	297	chargeQT0[cc]=allData[in+58][0];
	298	}
	299
	300	}
	301	for (Int_t in=0; in<24; in++)
	302	AliDebug(10, Form(" readed Raw %i %i %i %i %i", in, timeLED[in],timeCFD[in],chargeQT0[in],chargeQT1[in]));
	303
	304
12e9daf9	305	Float_t time[24], adc[24];
2e6a5ee0	306	for (Int_t ipmt=0; ipmt<24; ipmt++) {
	307	if(timeCFD[ipmt]>0 && timeLED[ipmt]>0){
	308
	309	if(option == "pdc"){
	310	Double_t qt0 = Double_t(chargeQT0[ipmt]);
	311	Double_t qt1 = Double_t(chargeQT1[ipmt]);
29ed1d0e	312	if((qt1-qt0)>0) adc[ipmt] = Int_t(TMath::Exp( Double_t (channelWidth*(qt1-qt0)/1000.)));
2e6a5ee0	313	time[ipmt] = fCalib-> WalkCorrection( ipmt,Int_t(qt1) , timeCFD[ipmt], "pdc" ) ;
	314	Double_t sl = (timeLED[ipmt] - time[ipmt])*channelWidth;
	315	if(fAmpLEDrec.At(ipmt))
	316	qt=((TGraph*)fAmpLEDrec.At(ipmt))->Eval(sl/1000.);
12e9daf9	317	frecpoints->SetTime(ipmt,Int_t(time[ipmt]));
12e9daf9	318	frecpoints->SetAmp(ipmt,Int_t(adc[ipmt]));
2e6a5ee0	319	frecpoints->SetAmpLED(ipmt,qt);
12e9daf9	320	AliDebug(10,Form(" QTC %f mv, time in chann %f ",adc[ipmt] ,time[ipmt]));
2e6a5ee0	321	}
	322	if(option == "cosmic") {
	323	// if(ipmt == 15) continue; //skip crashed PMT
	324	if(( chargeQT1[ipmt] - chargeQT0[ipmt])>0)
	325	adc[ipmt] = chargeQT1[ipmt] - chargeQT0[ipmt];
	326	else
	327	adc[ipmt] = 0;
	328	// time[ipmt] = fCalib-> WalkCorrection( ipmt, adc[ipmt], timeCFD[ipmt],"cosmic" ) ;
	329	// time[ipmt] = timeCFD[ipmt] ;
	330	Double_t sl = timeLED[ipmt] - timeCFD[ipmt];
	331	time[ipmt] = fCalib-> WalkCorrection( ipmt, Int_t(sl), timeCFD[ipmt],"cosmic" ) ;
	332	// if(fAmpLEDrec.At(ipmt))
	333	// qt=((TGraph*)fAmpLEDrec.At(ipmt))->Eval(sl);
	334	time[ipmt] = time[ipmt] - allData[0][0] + 5000;
	335	AliDebug(10,Form(" ipmt %i QTC %i , time in chann %i (led-cfd) %i ",
	336	ipmt, Int_t(adc[ipmt]) ,Int_t(time[ipmt]),Int_t( sl)));
	337	frecpoints->SetTime(ipmt, Float_t(time[ipmt]) );
	338	frecpoints->SetAmp(ipmt, Float_t(adc[ipmt]));
	339	frecpoints->SetAmpLED(ipmt, Float_t(qt));
	340	}
	341
	342	}
	343	else {
	344	time[ipmt] = 0;
	345	adc[ipmt] = 0;
	346	}
	347	}
	348
	349	for (Int_t ipmt=0; ipmt<12; ipmt++){
	350	if(time[ipmt] > 1 ) {
	351	if(time[ipmt]<besttimeC){
	352	besttimeC=time[ipmt]; //timeC
	353	pmtBestC=ipmt;
	354	}
	355	}
	356	}
	357	for ( Int_t ipmt=12; ipmt<24; ipmt++){
	358	if(time[ipmt] > 1) {
	359	if(time[ipmt]<besttimeA) {
	360	besttimeA=time[ipmt]; //timeA
	361	pmtBestA=ipmt;}
	362	}
	363	}
	364	if(besttimeA !=9999999) frecpoints->SetTimeBestA(Int_t(besttimeA));
	365	if( besttimeC != 9999999 ) frecpoints->SetTimeBestC(Int_t(besttimeC));
12e9daf9	366	AliDebug(1,Form(" besttimeA %f ps, besttimeC %f ps",besttimeA, besttimeC));
2e6a5ee0	367	Float_t c = 0.0299792; // cm/ps
	368	Float_t vertex = 99999;
	369	if(besttimeA <9999999 && besttimeC < 9999999 ){
12e9daf9	370	timeDiff = ( besttimeC - besttimeA) *channelWidth;
2e6a5ee0	371	if(option == "pdc")
12e9daf9	372	// meanTime = Int_t((meanT0 - (besttimeA + besttimeC)/2) * channelWidth);
	373	meanTime = (besttimeA + besttimeC)/2 * channelWidth;
	374	if(option == "cosmic")
	375	meanTime = Float_t((besttimeA + besttimeC)/2);
	376	vertex = c*(timeDiff)/2.+ (fdZonA - fdZonC)/2;
	377	AliDebug(1,Form(" timeDiff %f ps, meanTime %f ps, vertex %f cm",timeDiff, meanTime,vertex ));
2e6a5ee0	378	frecpoints->SetVertex(vertex);
	379	frecpoints->SetMeanTime(Int_t(meanTime));
	380
	381	}
	382	} // if (else )raw data
	383	recTree->Fill();
	384	if(frecpoints) delete frecpoints;
c41ceaac	385	}
	386	//____________________________________________________________
	387
d76c31f4	388	void AliT0Reconstructor::FillESD(TTree /digitsTree/, TTree clustersTree, AliESDEvent *pESD) const
dc7ca31d	389	{
	390
	391	/***************************************************
	392	Resonstruct digits to vertex position
	393	****************************************************/
	394
dc7ca31d	395	AliDebug(1,Form("Start FillESD T0"));
dc7ca31d	396
d76c31f4	397	TTree *treeR = clustersTree;
dc7ca31d	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{
f16935f7	410	AliError(Form("EXEC Branch T0 rec not found"));
dc7ca31d	411	return;
	412	}
	413
	414	brRec->GetEntry(0);
f16935f7	415	Float_t amp[24], time[24];
	416	Float_t zPosition = frecpoints -> GetVertex();
	417	Float_t timeStart = frecpoints -> GetMeanTime() ;
	418	for ( Int_t i=0; i<24; i++) {
94c27e4f	419	time[i] = Float_t (frecpoints -> GetTime(i)); // ps to ns
dc7ca31d	420	amp[i] = frecpoints -> GetAmp(i);
dc7ca31d	421	}
f16935f7	422	pESD->SetT0zVertex(zPosition); //vertex Z position
dc7ca31d	423	pESD->SetT0(timeStart); // interaction time
	424	pESD->SetT0time(time); // best TOF on each PMT
	425	pESD->SetT0amplitude(amp); // number of particles(MIPs) on each PMT
5325480c	426
f16935f7	427	AliDebug(1,Form(" Z position %f cm, T0 %f ps",zPosition , timeStart));
dc7ca31d	428
dc7ca31d	429	} // vertex in 3 sigma
	430
	431
	432
	433
	434
	435