[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.                  *
 **************************************************************************/

/* $Id$ */

#include <Riostream.h>

#include <TDirectory.h>

#include "AliRunLoader.h"
#include <AliESD.h>
#include "AliLog.h"
#include "AliT0Loader.h"
#include "AliT0RecPoint.h"
#include "AliRawReader.h"
#include "AliT0RawReader.h"
#include "AliT0digit.h"
#include "AliT0Reconstructor.h"
#include "AliT0Parameters.h"
#include "AliT0Calibrator.h"
#include "AliCDBLocal.h"
#include "AliCDBStorage.h"
#include "AliCDBManager.h"
#include "AliCDBEntry.h"

#include <TArrayI.h>
#include <TGraph.h>
//#include <TGeoManager.h>
//#include <TClonesArray.h>
//#include <TString.h>
//#include <TGeoPNEntry.h>
//#include <TGeoPhysicalNode.h>
//#include  <TGeoHMatrix.h>

ClassImp(AliT0Reconstructor)

  AliT0Reconstructor:: AliT0Reconstructor(): AliReconstructor(),
					     fZposition(0)

{
 AliDebug(1,"Start reconstructor ");
}
//____________________________________________________________________

AliT0Reconstructor::AliT0Reconstructor(const AliT0Reconstructor &r):
  fZposition(0)
  
{
  //
  // 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 
  
  
  Float_t time0vertex[24];
  TObjArray slewingLEDrec;
  TObjArray walk;
  
  TArrayI * timeCFD = new TArrayI(24); 
  TArrayI * timeLED = new TArrayI(24); 
  TArrayI * chargeQT0 = new TArrayI(24); 
  TArrayI * chargeQT1 = new TArrayI(24); 
  
  AliT0Parameters* param = AliT0Parameters::Instance();
  param->Init();
  AliT0Calibrator *calib=new AliT0Calibrator(); 

  //  Int_t mV2Mip = param->GetmV2Mip();     
  //mV2Mip = param->GetmV2Mip();     
  Int_t channelWidth = param->GetChannelWidth() ;  
  Int_t meanT0 = param->GetMeanT0();
  
  for (Int_t i=0; i<24; i++){
    TGraph* gr = param ->GetSlewRec(i);
    slewingLEDrec.AddAtAndExpand(gr,i) ;  
    time0vertex[i]= param->GetTimeDelayDA(i);
  }

  
  AliDebug(1,Form("Start DIGITS reconstruction "));
  
  TBranch *brDigits=digitsTree->GetBranch("T0");
  AliT0digit *fDigits = new AliT0digit() ;
  if (brDigits) {
    brDigits->SetAddress(&fDigits);
  }else{
    cerr<<"EXEC Branch T0 digits not found"<<endl;
    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 ){
      Int_t qt0= chargeQT0->At(ipmt);
      Int_t qt1= chargeQT1->At(ipmt);
      if((qt1-qt0)>0)  adc[ipmt] = TMath::Exp( Double_t (channelWidth*(qt1-qt0)/1000));
      //     time[ipmt] = channelWidth * (calib-> WalkCorrection( ipmt,qt1 , timeCFD->At(ipmt) ) ) ;
      time[ipmt] = calib-> WalkCorrection( ipmt,qt1 , timeCFD->At(ipmt) ) ;
      
      //LED
      Double_t sl = (timeLED->At(ipmt) - timeCFD->At(ipmt))*channelWidth;
      Double_t qt=((TGraph*)slewingLEDrec.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.; //-(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] - time0vertex[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!!!
  Float_t time0vertex[24];
  Int_t allData[110][5];
  TObjArray slewingLEDrec;
  TObjArray walk;
  
  TArrayI * timeCFD = new TArrayI(24); 
  TArrayI * timeLED = new TArrayI(24); 
  TArrayI * chargeQT0 = new TArrayI(24); 
  TArrayI * chargeQT1 = new TArrayI(24); 

   for (Int_t i=0; i<110; i++) {
     allData[i][0]=0;
   }

   AliT0RawReader myrawreader(rawReader);
   if (!myrawreader.Next())
     AliDebug(1,Form(" no raw data found!! %i", myrawreader.Next()));
   for (Int_t i=0; i<110; i++) {
     allData[i][0]=myrawreader.GetData(i,0);
   }

  AliT0Parameters* param = AliT0Parameters::Instance();
  param->Init();
  AliT0Calibrator *calib=new AliT0Calibrator(); 

  Int_t mV2Mip = param->GetmV2Mip();     
  //mV2Mip = param->GetmV2Mip();     
  Int_t channelWidth = param->GetChannelWidth() ;  
  Int_t meanT0 = param->GetMeanT0();
    
  for (Int_t i=0; i<24; i++){
    TGraph* gr = param ->GetSlewRec(i);
    slewingLEDrec.AddAtAndExpand(gr,i) ;  
    time0vertex[i]= param->GetTimeDelayDA(i);
  }
  

  for (Int_t in=0; in<24; in++)
     {
       timeLED->AddAt(allData[in+1][0],in);
       timeCFD->AddAt(allData[in+25][0],in);
       chargeQT1->AddAt(allData[in+55][0],in);
       chargeQT0->AddAt(allData[in+79][0],in);
       AliDebug(10, Form(" readed Raw %i %i %i %i %i", in, timeLED->At(in),timeCFD->At(in),chargeQT0->At(in),chargeQT1->At(in)));
     }

  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 ();
 
  recTree->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 ){
      Int_t qt0= chargeQT0->At(ipmt);
      Int_t qt1= chargeQT1->At(ipmt);
      if((qt1-qt0)>0)  adc[ipmt] = TMath::Exp( Double_t (channelWidth*(qt1-qt0)/1000));
      //      time[ipmt] = channelWidth * (calib-> WalkCorrection( ipmt,qt1 , timeCFD->At(ipmt) ) ) ;
      time[ipmt] = calib-> WalkCorrection( ipmt,qt1 , timeCFD->At(ipmt) ) ;
      Double_t sl = (timeLED->At(ipmt) - timeCFD->At(ipmt))*channelWidth;
      Double_t qt=((TGraph*)slewingLEDrec.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 = (besttimeA + besttimeC)/2.;
    meanTime = (meanT0 - (besttimeA + besttimeC)/2) * channelWidth;
    vertex = c*(timeDiff)/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] - time0vertex[ipmt])*channelWidth;
      frecpoints->SetTime(ipmt,time[ipmt]);
    }
  }
  recTree->Fill();
 

  delete timeCFD;
  delete timeLED;
  delete chargeQT0; 
  delete chargeQT1; 
  
}
//____________________________________________________________

void AliT0Reconstructor::FillESD(AliRunLoader* runLoader, AliESD *pESD) const
{

  /***************************************************
  Resonstruct digits to vertex position
  ****************************************************/
  
  
  if (!runLoader) {
    AliError("Reconstruct >> No run loader");
    return;
  }
  
  AliDebug(1,Form("Start FillESD T0"));

  AliT0Loader* pStartLoader = (AliT0Loader*) runLoader->GetLoader("T0Loader");
 
  pStartLoader->LoadRecPoints("READ");

  TTree *treeR = pStartLoader->TreeR();
  
   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{
    cerr<<"EXEC Branch T0 rec not found"<<endl;
    // exit(111);
    return;
  } 
    
    brRec->GetEntry(0);
    Float_t timeStart, Zposition, amp[24], time[24];
    Int_t i;
    Zposition = frecpoints -> GetVertex();
    timeStart = frecpoints -> GetMeanTime() ;
    for ( 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));

    pStartLoader->UnloadRecPoints();
   
} // 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	/* $Id$ */
	17
	18	#include <Riostream.h>
	19
	20	#include <TDirectory.h>
	21
	22	#include "AliRunLoader.h"
dc7ca31d	23	#include <AliESD.h>
dc7ca31d	24	#include "AliLog.h"
c41ceaac	25	#include "AliT0Loader.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	#include "AliCDBLocal.h"
	34	#include "AliCDBStorage.h"
	35	#include "AliCDBManager.h"
	36	#include "AliCDBEntry.h"
	37
	38	#include <TArrayI.h>
	39	#include <TGraph.h>
bd375212	40	//#include <TGeoManager.h>
	41	//#include <TClonesArray.h>
	42	//#include <TString.h>
	43	//#include <TGeoPNEntry.h>
	44	//#include <TGeoPhysicalNode.h>
	45	//#include <TGeoHMatrix.h>
dc7ca31d	46
	47	ClassImp(AliT0Reconstructor)
	48
c41ceaac	49	AliT0Reconstructor:: AliT0Reconstructor(): AliReconstructor(),
bd375212	50	fZposition(0)
c41ceaac	51
e0bba6cc	52	{
c41ceaac	53	AliDebug(1,"Start reconstructor ");
	54	}
	55	//____________________________________________________________________
e0bba6cc	56
c41ceaac	57	AliT0Reconstructor::AliT0Reconstructor(const AliT0Reconstructor &r):
c41ceaac	58	fZposition(0)
	59
	60	{
	61	//
	62	// AliT0Reconstructor copy constructor
	63	//
e0bba6cc	64
c41ceaac	65	((AliT0Reconstructor &) r).Copy(*this);
e0bba6cc	66
	67	}
	68
c41ceaac	69	//_____________________________________________________________________________
c41ceaac	70	AliT0Reconstructor &AliT0Reconstructor::operator=(const AliT0Reconstructor &r)
dc7ca31d	71	{
c41ceaac	72	//
	73	// Assignment operator
	74	//
	75
	76	if (this != &r) ((AliT0Reconstructor &) r).Copy(*this);
	77	return *this;
e0bba6cc	78
dc7ca31d	79	}
c41ceaac	80
	81	//_____________________________________________________________________________
	82
dc7ca31d	83	void AliT0Reconstructor::Reconstruct(TTreedigitsTree, TTreeclustersTree) const
94c27e4f	84
dc7ca31d	85	{
94c27e4f	86	// T0 digits reconstruction
94c27e4f	87	// T0RecPoint writing
c41ceaac	88
94c27e4f	89
94c27e4f	90	Float_t time0vertex[24];
c41ceaac	91	TObjArray slewingLEDrec;
c41ceaac	92	TObjArray walk;
94c27e4f	93
c41ceaac	94	TArrayI * timeCFD = new TArrayI(24);
	95	TArrayI * timeLED = new TArrayI(24);
	96	TArrayI * chargeQT0 = new TArrayI(24);
	97	TArrayI * chargeQT1 = new TArrayI(24);
	98
dc7ca31d	99	AliT0Parameters* param = AliT0Parameters::Instance();
dc7ca31d	100	param->Init();
c41ceaac	101	AliT0Calibrator *calib=new AliT0Calibrator();
dc7ca31d	102
94c27e4f	103	// Int_t mV2Mip = param->GetmV2Mip();
dc7ca31d	104	//mV2Mip = param->GetmV2Mip();
dc7ca31d	105	Int_t channelWidth = param->GetChannelWidth() ;
94c27e4f	106	Int_t meanT0 = param->GetMeanT0();
dc7ca31d	107
dc7ca31d	108	for (Int_t i=0; i<24; i++){
c41ceaac	109	TGraph* gr = param ->GetSlewRec(i);
c41ceaac	110	slewingLEDrec.AddAtAndExpand(gr,i) ;
94c27e4f	111	time0vertex[i]= param->GetTimeDelayDA(i);
dc7ca31d	112	}
5325480c	113
94c27e4f	114
dc7ca31d	115	AliDebug(1,Form("Start DIGITS reconstruction "));
94c27e4f	116
dc7ca31d	117	TBranch *brDigits=digitsTree->GetBranch("T0");
e0bba6cc	118	AliT0digit *fDigits = new AliT0digit() ;
dc7ca31d	119	if (brDigits) {
	120	brDigits->SetAddress(&fDigits);
	121	}else{
	122	cerr<<"EXEC Branch T0 digits not found"<<endl;
	123	return;
	124	}
e0bba6cc	125
c41ceaac	126	digitsTree->GetEvent(0);
	127	digitsTree->GetEntry(0);
	128	brDigits->GetEntry(0);
	129	fDigits->GetTimeCFD(*timeCFD);
	130	fDigits->GetTimeLED(*timeLED);
	131	fDigits->GetQT0(*chargeQT0);
	132	fDigits->GetQT1(*chargeQT1);
	133
	134	Float_t besttimeA=999999;
	135	Float_t besttimeC=999999;
	136	Int_t pmtBestA=99999;
	137	Int_t pmtBestC=99999;
dc7ca31d	138	Float_t timeDiff=999999, meanTime=0;
dc7ca31d	139
e0bba6cc	140
e0bba6cc	141
94c27e4f	142	AliT0RecPoint* frecpoints= new AliT0RecPoint ();
	143	clustersTree->Branch( "T0", "AliT0RecPoint" ,&frecpoints, 405,1);
	144
dc7ca31d	145	Float_t time[24], adc[24];
dc7ca31d	146	for (Int_t ipmt=0; ipmt<24; ipmt++) {
c41ceaac	147	if(timeCFD->At(ipmt)>0 ){
	148	Int_t qt0= chargeQT0->At(ipmt);
	149	Int_t qt1= chargeQT1->At(ipmt);
	150	if((qt1-qt0)>0) adc[ipmt] = TMath::Exp( Double_t (channelWidth*(qt1-qt0)/1000));
94c27e4f	151	// time[ipmt] = channelWidth * (calib-> WalkCorrection( ipmt,qt1 , timeCFD->At(ipmt) ) ) ;
94c27e4f	152	time[ipmt] = calib-> WalkCorrection( ipmt,qt1 , timeCFD->At(ipmt) ) ;
c41ceaac	153
c41ceaac	154	//LED
94c27e4f	155	Double_t sl = (timeLED->At(ipmt) - timeCFD->At(ipmt))*channelWidth;
c41ceaac	156	Double_t qt=((TGraph*)slewingLEDrec.At(ipmt))->Eval(sl/1000.);
94c27e4f	157	// frecpoints->SetTime(ipmt,time[ipmt]);
dc7ca31d	158	frecpoints->SetAmp(ipmt,adc[ipmt]);
c41ceaac	159	frecpoints->SetAmpLED(ipmt,qt);
dc7ca31d	160	}
	161	else {
	162	time[ipmt] = 0;
	163	adc[ipmt] = 0;
	164	}
	165	}
94c27e4f	166
dc7ca31d	167	for (Int_t ipmt=0; ipmt<12; ipmt++){
dc7ca31d	168	if(time[ipmt] > 1 ) {
c41ceaac	169	if(time[ipmt]<besttimeC){
	170	besttimeC=time[ipmt]; //timeC
	171	pmtBestC=ipmt;
dc7ca31d	172	}
	173	}
	174	}
	175	for ( Int_t ipmt=12; ipmt<24; ipmt++){
	176	if(time[ipmt] > 1) {
c41ceaac	177	if(time[ipmt]<besttimeA) {
	178	besttimeA=time[ipmt]; //timeA
	179	pmtBestA=ipmt;}
dc7ca31d	180	}
dc7ca31d	181	}
c41ceaac	182	if(besttimeA !=999999) frecpoints->SetTimeBestA(Int_t(besttimeA));
	183	if( besttimeC != 999999 ) frecpoints->SetTimeBestC(Int_t(besttimeC));
	184	AliDebug(1,Form(" besttimeA %f ps, besttimeC %f ps",besttimeA, besttimeC));
dc7ca31d	185	Float_t c = 0.0299792; // cm/ps
dc7ca31d	186	Float_t vertex = 0;
c41ceaac	187	if(besttimeA !=999999 && besttimeC != 999999 ){
94c27e4f	188	timeDiff =(besttimeC - besttimeA)*channelWidth;
94c27e4f	189	meanTime = (meanT0 - (besttimeA + besttimeC)/2) * channelWidth;
dc7ca31d	190	vertex = c*(timeDiff)/2.; //-(lenr-lenl))/2;
	191	AliDebug(1,Form(" timeDiff %f ps, meanTime %f ps, vertex %f cm",timeDiff, meanTime,vertex ));
	192	frecpoints->SetVertex(vertex);
	193	frecpoints->SetMeanTime(Int_t(meanTime));
	194
	195	}
94c27e4f	196	//time in each channel as time[ipmt]-MeanTimeinThisChannel(with vertex=0)
	197	for (Int_t ipmt=0; ipmt<24; ipmt++) {
	198	if(time[ipmt]>1) {
	199	time[ipmt] = (time[ipmt] - time0vertex[ipmt])*channelWidth;
	200	frecpoints->SetTime(ipmt,time[ipmt]);
	201	}
	202	}
dc7ca31d	203	clustersTree->Fill();
bd375212	204
	205	delete timeCFD;
	206	delete timeLED;
	207	delete chargeQT0;
	208	delete chargeQT1;
dc7ca31d	209	}
	210
	211
c41ceaac	212	//_______________________________________________________________________
	213
	214	void AliT0Reconstructor::Reconstruct(AliRawReader* rawReader, TTree*recTree) const
	215	{
94c27e4f	216	// T0 raw ->
	217	// T0RecPoint writing
	218
	219	//Q->T-> coefficients !!!! should be measured!!!
	220	Float_t time0vertex[24];
5325480c	221	Int_t allData[110][5];
94c27e4f	222	TObjArray slewingLEDrec;
c41ceaac	223	TObjArray walk;
94c27e4f	224
c41ceaac	225	TArrayI * timeCFD = new TArrayI(24);
	226	TArrayI * timeLED = new TArrayI(24);
	227	TArrayI * chargeQT0 = new TArrayI(24);
	228	TArrayI * chargeQT1 = new TArrayI(24);
	229
5325480c	230	for (Int_t i=0; i<110; i++) {
	231	allData[i][0]=0;
	232	}
	233
c41ceaac	234	AliT0RawReader myrawreader(rawReader);
	235	if (!myrawreader.Next())
	236	AliDebug(1,Form(" no raw data found!! %i", myrawreader.Next()));
c41ceaac	237	for (Int_t i=0; i<110; i++) {
	238	allData[i][0]=myrawreader.GetData(i,0);
	239	}
	240
	241	AliT0Parameters* param = AliT0Parameters::Instance();
	242	param->Init();
	243	AliT0Calibrator *calib=new AliT0Calibrator();
	244
	245	Int_t mV2Mip = param->GetmV2Mip();
	246	//mV2Mip = param->GetmV2Mip();
	247	Int_t channelWidth = param->GetChannelWidth() ;
94c27e4f	248	Int_t meanT0 = param->GetMeanT0();
c41ceaac	249
	250	for (Int_t i=0; i<24; i++){
	251	TGraph* gr = param ->GetSlewRec(i);
	252	slewingLEDrec.AddAtAndExpand(gr,i) ;
94c27e4f	253	time0vertex[i]= param->GetTimeDelayDA(i);
c41ceaac	254	}
c41ceaac	255
5325480c	256
5325480c	257	for (Int_t in=0; in<24; in++)
c41ceaac	258	{
	259	timeLED->AddAt(allData[in+1][0],in);
	260	timeCFD->AddAt(allData[in+25][0],in);
	261	chargeQT1->AddAt(allData[in+55][0],in);
	262	chargeQT0->AddAt(allData[in+79][0],in);
	263	AliDebug(10, Form(" readed Raw %i %i %i %i %i", in, timeLED->At(in),timeCFD->At(in),chargeQT0->At(in),chargeQT1->At(in)));
	264	}
	265
	266	Float_t besttimeA=999999;
	267	Float_t besttimeC=999999;
	268	Int_t pmtBestA=99999;
	269	Int_t pmtBestC=99999;
	270	Float_t timeDiff=999999, meanTime=0;
	271
	272
	273	AliT0RecPoint* frecpoints= new AliT0RecPoint ();
	274
	275	recTree->Branch( "T0", "AliT0RecPoint" ,&frecpoints, 405,1);
	276
	277
	278	Float_t time[24], adc[24];
	279	for (Int_t ipmt=0; ipmt<24; ipmt++) {
	280	if(timeCFD->At(ipmt)>0 ){
	281	Int_t qt0= chargeQT0->At(ipmt);
	282	Int_t qt1= chargeQT1->At(ipmt);
	283	if((qt1-qt0)>0) adc[ipmt] = TMath::Exp( Double_t (channelWidth*(qt1-qt0)/1000));
94c27e4f	284	// time[ipmt] = channelWidth * (calib-> WalkCorrection( ipmt,qt1 , timeCFD->At(ipmt) ) ) ;
	285	time[ipmt] = calib-> WalkCorrection( ipmt,qt1 , timeCFD->At(ipmt) ) ;
	286	Double_t sl = (timeLED->At(ipmt) - timeCFD->At(ipmt))*channelWidth;
c41ceaac	287	Double_t qt=((TGraph*)slewingLEDrec.At(ipmt))->Eval(sl/1000.);
	288	frecpoints->SetTime(ipmt,time[ipmt]);
	289	frecpoints->SetAmp(ipmt,adc[ipmt]);
	290	frecpoints->SetAmpLED(ipmt,qt);
	291	}
	292	else {
	293	time[ipmt] = 0;
	294	adc[ipmt] = 0;
	295	}
	296	}
	297
	298	for (Int_t ipmt=0; ipmt<12; ipmt++){
	299	if(time[ipmt] > 1 ) {
	300	if(time[ipmt]<besttimeC){
	301	besttimeC=time[ipmt]; //timeC
	302	pmtBestC=ipmt;
	303	}
	304	}
	305	}
	306	for ( Int_t ipmt=12; ipmt<24; ipmt++){
	307	if(time[ipmt] > 1) {
	308	if(time[ipmt]<besttimeA) {
	309	besttimeA=time[ipmt]; //timeA
	310	pmtBestA=ipmt;}
	311	}
	312	}
	313	if(besttimeA !=999999) frecpoints->SetTimeBestA(Int_t(besttimeA));
	314	if( besttimeC != 999999 ) frecpoints->SetTimeBestC(Int_t(besttimeC));
	315	AliDebug(1,Form(" besttimeA %f ps, besttimeC %f ps",besttimeA, besttimeC));
	316	Float_t c = 0.0299792; // cm/ps
	317	Float_t vertex = 0;
	318	if(besttimeA !=999999 && besttimeC != 999999 ){
94c27e4f	319	timeDiff = (besttimeC - besttimeA)*channelWidth;
	320	// meanTime = (besttimeA + besttimeC)/2.;
	321	meanTime = (meanT0 - (besttimeA + besttimeC)/2) * channelWidth;
c41ceaac	322	vertex = c*(timeDiff)/2.; //-(lenr-lenl))/2;
	323	AliDebug(1,Form(" timeDiff %f ps, meanTime %f ps, vertex %f cm",timeDiff, meanTime,vertex ));
	324	frecpoints->SetVertex(vertex);
	325	frecpoints->SetMeanTime(Int_t(meanTime));
	326
	327	}
94c27e4f	328	//time in each channel as time[ipmt]-MeanTimeinThisChannel(with vertex=0)
	329	for (Int_t ipmt=0; ipmt<24; ipmt++) {
	330	if(time[ipmt]>1) {
	331	time[ipmt] = (time[ipmt] - time0vertex[ipmt])*channelWidth;
	332	frecpoints->SetTime(ipmt,time[ipmt]);
	333	}
	334	}
c41ceaac	335	recTree->Fill();
94c27e4f	336
bd375212	337
	338	delete timeCFD;
	339	delete timeLED;
	340	delete chargeQT0;
	341	delete chargeQT1;
	342
c41ceaac	343	}
	344	//____________________________________________________________
	345
dc7ca31d	346	void AliT0Reconstructor::FillESD(AliRunLoader* runLoader, AliESD *pESD) const
	347	{
	348
	349	/***************************************************
	350	Resonstruct digits to vertex position
	351	****************************************************/
	352
	353
	354	if (!runLoader) {
	355	AliError("Reconstruct >> No run loader");
	356	return;
	357	}
	358
	359	AliDebug(1,Form("Start FillESD T0"));
	360
	361	AliT0Loader* pStartLoader = (AliT0Loader*) runLoader->GetLoader("T0Loader");
	362
	363	pStartLoader->LoadRecPoints("READ");
	364
	365	TTree *treeR = pStartLoader->TreeR();
	366
	367	AliT0RecPoint* frecpoints= new AliT0RecPoint ();
	368	if (!frecpoints) {
	369	AliError("Reconstruct Fill ESD >> no recpoints found");
	370	return;
	371	}
	372
	373	AliDebug(1,Form("Start FillESD T0"));
	374	TBranch *brRec = treeR->GetBranch("T0");
	375	if (brRec) {
	376	brRec->SetAddress(&frecpoints);
	377	}else{
	378	cerr<<"EXEC Branch T0 rec not found"<<endl;
	379	// exit(111);
	380	return;
	381	}
	382
	383	brRec->GetEntry(0);
	384	Float_t timeStart, Zposition, amp[24], time[24];
	385	Int_t i;
	386	Zposition = frecpoints -> GetVertex();
94c27e4f	387	timeStart = frecpoints -> GetMeanTime() ;
dc7ca31d	388	for ( i=0; i<24; i++) {
94c27e4f	389	time[i] = Float_t (frecpoints -> GetTime(i)); // ps to ns
dc7ca31d	390	amp[i] = frecpoints -> GetAmp(i);
	391	}
	392	pESD->SetT0zVertex(Zposition); //vertex Z position
	393	pESD->SetT0(timeStart); // interaction time
	394	pESD->SetT0time(time); // best TOF on each PMT
	395	pESD->SetT0amplitude(amp); // number of particles(MIPs) on each PMT
5325480c	396
5325480c	397	AliDebug(1,Form(" Z position %f cm, T0 %f ps",Zposition , timeStart));
dc7ca31d	398
	399	pStartLoader->UnloadRecPoints();
	400
	401	} // vertex in 3 sigma
	402
	403
	404
	405
	406
	407