[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 ");
  
  fParam = AliT0Parameters::Instance();
  fParam->Init();
  for (Int_t i=0; i<24; i++){
    TGraph* gr = fParam ->GetAmpLEDRec(i);
    fAmpLEDrec.AddAtAndExpand(gr,i) ;  
    fTime0vertex[i]= fParam->GetTimeDelayDA(i);
  }
  fdZ_C = TMath::Abs(fParam->GetZPositionShift("T0/C/PMT1"));
  fdZ_A = TMath::Abs(fParam->GetZPositionShift("T0/A/PMT15"));

}
//____________________________________________________________________

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 
  
   
  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();     
  Int_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{
    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 ){
      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) ) ;
      
      //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. + (fdZ_A - fdZ_C)/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;
      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];
  
  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);
   }
  AliT0Calibrator *calib = new AliT0Calibrator(); 

  //  Int_t mV2Mip = param->GetmV2Mip();     
  //mV2Mip = param->GetmV2Mip();     
  Int_t channelWidth = fParam->GetChannelWidth() ;  
  Int_t meanT0 = fParam->GetMeanT0();
 
  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+57][0],in);
       chargeQT0->AddAt(allData[in+80][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 ){
      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] = channelWidth * (calib-> WalkCorrection( ipmt,qt1 , timeCFD->At(ipmt) ) ) ;
      time[ipmt] = calib-> WalkCorrection( ipmt,Int_t(qt1) , timeCFD->At(ipmt) ) ;
      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 = (besttimeA + besttimeC)/2.;
    meanTime = (meanT0 - (besttimeA + besttimeC)/2) * channelWidth;
    vertex = c*(timeDiff)/2. + (fdZ_A - fdZ_C)/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;
      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 ");
74adb36a	54
	55	fParam = AliT0Parameters::Instance();
	56	fParam->Init();
74adb36a	57	for (Int_t i=0; i<24; i++){
	58	TGraph* gr = fParam ->GetAmpLEDRec(i);
	59	fAmpLEDrec.AddAtAndExpand(gr,i) ;
	60	fTime0vertex[i]= fParam->GetTimeDelayDA(i);
	61	}
29d3e0eb	62	fdZ_C = TMath::Abs(fParam->GetZPositionShift("T0/C/PMT1"));
29d3e0eb	63	fdZ_A = TMath::Abs(fParam->GetZPositionShift("T0/A/PMT15"));
74adb36a	64
c41ceaac	65	}
c41ceaac	66	//____________________________________________________________________
e0bba6cc	67
c41ceaac	68	AliT0Reconstructor::AliT0Reconstructor(const AliT0Reconstructor &r):
c41ceaac	69	fZposition(0)
	70
	71	{
	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();
74adb36a	110	Int_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{
	120	cerr<<"EXEC Branch T0 digits not found"<<endl;
	121	return;
	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);
	131
	132	Float_t besttimeA=999999;
	133	Float_t besttimeC=999999;
	134	Int_t pmtBestA=99999;
	135	Int_t pmtBestC=99999;
dc7ca31d	136	Float_t timeDiff=999999, meanTime=0;
dc7ca31d	137
e0bba6cc	138
e0bba6cc	139
94c27e4f	140	AliT0RecPoint* frecpoints= new AliT0RecPoint ();
	141	clustersTree->Branch( "T0", "AliT0RecPoint" ,&frecpoints, 405,1);
	142
dc7ca31d	143	Float_t time[24], adc[24];
dc7ca31d	144	for (Int_t ipmt=0; ipmt<24; ipmt++) {
c41ceaac	145	if(timeCFD->At(ipmt)>0 ){
29d3e0eb	146	Double_t qt0 = Double_t(chargeQT0->At(ipmt));
29d3e0eb	147	Double_t qt1 = Double_t(chargeQT1->At(ipmt));
c41ceaac	148	if((qt1-qt0)>0) adc[ipmt] = TMath::Exp( Double_t (channelWidth*(qt1-qt0)/1000));
29d3e0eb	149	time[ipmt] = calib-> WalkCorrection( ipmt,Int_t(qt1) , timeCFD->At(ipmt) ) ;
c41ceaac	150
c41ceaac	151	//LED
29d3e0eb	152	Double_t sl = (timeLED->At(ipmt) - time[ipmt])*channelWidth;
74adb36a	153	Double_t qt=((TGraph*)fAmpLEDrec.At(ipmt))->Eval(sl/1000.);
29d3e0eb	154	frecpoints->SetTime(ipmt,time[ipmt]);
dc7ca31d	155	frecpoints->SetAmp(ipmt,adc[ipmt]);
c41ceaac	156	frecpoints->SetAmpLED(ipmt,qt);
dc7ca31d	157	}
	158	else {
	159	time[ipmt] = 0;
	160	adc[ipmt] = 0;
	161	}
	162	}
94c27e4f	163
dc7ca31d	164	for (Int_t ipmt=0; ipmt<12; ipmt++){
dc7ca31d	165	if(time[ipmt] > 1 ) {
c41ceaac	166	if(time[ipmt]<besttimeC){
	167	besttimeC=time[ipmt]; //timeC
	168	pmtBestC=ipmt;
dc7ca31d	169	}
	170	}
	171	}
	172	for ( Int_t ipmt=12; ipmt<24; ipmt++){
	173	if(time[ipmt] > 1) {
c41ceaac	174	if(time[ipmt]<besttimeA) {
	175	besttimeA=time[ipmt]; //timeA
	176	pmtBestA=ipmt;}
dc7ca31d	177	}
dc7ca31d	178	}
c41ceaac	179	if(besttimeA !=999999) frecpoints->SetTimeBestA(Int_t(besttimeA));
	180	if( besttimeC != 999999 ) frecpoints->SetTimeBestC(Int_t(besttimeC));
	181	AliDebug(1,Form(" besttimeA %f ps, besttimeC %f ps",besttimeA, besttimeC));
dc7ca31d	182	Float_t c = 0.0299792; // cm/ps
dc7ca31d	183	Float_t vertex = 0;
c41ceaac	184	if(besttimeA !=999999 && besttimeC != 999999 ){
94c27e4f	185	timeDiff =(besttimeC - besttimeA)*channelWidth;
94c27e4f	186	meanTime = (meanT0 - (besttimeA + besttimeC)/2) * channelWidth;
29d3e0eb	187	vertex = c*(timeDiff)/2. + (fdZ_A - fdZ_C)/2; //-(lenr-lenl))/2;
dc7ca31d	188	AliDebug(1,Form(" timeDiff %f ps, meanTime %f ps, vertex %f cm",timeDiff, meanTime,vertex ));
	189	frecpoints->SetVertex(vertex);
	190	frecpoints->SetMeanTime(Int_t(meanTime));
	191
	192	}
94c27e4f	193	//time in each channel as time[ipmt]-MeanTimeinThisChannel(with vertex=0)
	194	for (Int_t ipmt=0; ipmt<24; ipmt++) {
	195	if(time[ipmt]>1) {
74adb36a	196	time[ipmt] = (time[ipmt] - fTime0vertex[ipmt])*channelWidth;
94c27e4f	197	frecpoints->SetTime(ipmt,time[ipmt]);
	198	}
	199	}
dc7ca31d	200	clustersTree->Fill();
bd375212	201
	202	delete timeCFD;
	203	delete timeLED;
	204	delete chargeQT0;
	205	delete chargeQT1;
dc7ca31d	206	}
	207
	208
c41ceaac	209	//_______________________________________________________________________
	210
	211	void AliT0Reconstructor::Reconstruct(AliRawReader* rawReader, TTree*recTree) const
	212	{
94c27e4f	213	// T0 raw ->
	214	// T0RecPoint writing
	215
	216	//Q->T-> coefficients !!!! should be measured!!!
5325480c	217	Int_t allData[110][5];
94c27e4f	218
c41ceaac	219	TArrayI * timeCFD = new TArrayI(24);
	220	TArrayI * timeLED = new TArrayI(24);
	221	TArrayI * chargeQT0 = new TArrayI(24);
	222	TArrayI * chargeQT1 = new TArrayI(24);
	223
5325480c	224	for (Int_t i=0; i<110; i++) {
	225	allData[i][0]=0;
	226	}
	227
c41ceaac	228	AliT0RawReader myrawreader(rawReader);
	229	if (!myrawreader.Next())
	230	AliDebug(1,Form(" no raw data found!! %i", myrawreader.Next()));
c41ceaac	231	for (Int_t i=0; i<110; i++) {
	232	allData[i][0]=myrawreader.GetData(i,0);
	233	}
74adb36a	234	AliT0Calibrator *calib = new AliT0Calibrator();
c41ceaac	235
74adb36a	236	// Int_t mV2Mip = param->GetmV2Mip();
c41ceaac	237	//mV2Mip = param->GetmV2Mip();
74adb36a	238	Int_t channelWidth = fParam->GetChannelWidth() ;
	239	Int_t meanT0 = fParam->GetMeanT0();
	240
5325480c	241	for (Int_t in=0; in<24; in++)
c41ceaac	242	{
	243	timeLED->AddAt(allData[in+1][0],in);
	244	timeCFD->AddAt(allData[in+25][0],in);
29d3e0eb	245	chargeQT1->AddAt(allData[in+57][0],in);
29d3e0eb	246	chargeQT0->AddAt(allData[in+80][0],in);
c41ceaac	247	AliDebug(10, Form(" readed Raw %i %i %i %i %i", in, timeLED->At(in),timeCFD->At(in),chargeQT0->At(in),chargeQT1->At(in)));
	248	}
	249
	250	Float_t besttimeA=999999;
	251	Float_t besttimeC=999999;
	252	Int_t pmtBestA=99999;
	253	Int_t pmtBestC=99999;
	254	Float_t timeDiff=999999, meanTime=0;
	255
	256
	257	AliT0RecPoint* frecpoints= new AliT0RecPoint ();
	258
	259	recTree->Branch( "T0", "AliT0RecPoint" ,&frecpoints, 405,1);
	260
	261
	262	Float_t time[24], adc[24];
	263	for (Int_t ipmt=0; ipmt<24; ipmt++) {
	264	if(timeCFD->At(ipmt)>0 ){
29d3e0eb	265	Double_t qt0 = Double_t(chargeQT0->At(ipmt));
29d3e0eb	266	Double_t qt1 = Double_t(chargeQT1->At(ipmt));
c41ceaac	267	if((qt1-qt0)>0) adc[ipmt] = TMath::Exp( Double_t (channelWidth*(qt1-qt0)/1000));
94c27e4f	268	// time[ipmt] = channelWidth * (calib-> WalkCorrection( ipmt,qt1 , timeCFD->At(ipmt) ) ) ;
29d3e0eb	269	time[ipmt] = calib-> WalkCorrection( ipmt,Int_t(qt1) , timeCFD->At(ipmt) ) ;
29d3e0eb	270	Double_t sl = (timeLED->At(ipmt) - time[ipmt])*channelWidth;
74adb36a	271	Double_t qt=((TGraph*)fAmpLEDrec.At(ipmt))->Eval(sl/1000.);
c41ceaac	272	frecpoints->SetTime(ipmt,time[ipmt]);
	273	frecpoints->SetAmp(ipmt,adc[ipmt]);
	274	frecpoints->SetAmpLED(ipmt,qt);
	275	}
	276	else {
	277	time[ipmt] = 0;
	278	adc[ipmt] = 0;
	279	}
	280	}
	281
	282	for (Int_t ipmt=0; ipmt<12; ipmt++){
	283	if(time[ipmt] > 1 ) {
	284	if(time[ipmt]<besttimeC){
	285	besttimeC=time[ipmt]; //timeC
	286	pmtBestC=ipmt;
	287	}
	288	}
	289	}
	290	for ( Int_t ipmt=12; ipmt<24; ipmt++){
	291	if(time[ipmt] > 1) {
	292	if(time[ipmt]<besttimeA) {
	293	besttimeA=time[ipmt]; //timeA
	294	pmtBestA=ipmt;}
	295	}
	296	}
	297	if(besttimeA !=999999) frecpoints->SetTimeBestA(Int_t(besttimeA));
	298	if( besttimeC != 999999 ) frecpoints->SetTimeBestC(Int_t(besttimeC));
	299	AliDebug(1,Form(" besttimeA %f ps, besttimeC %f ps",besttimeA, besttimeC));
	300	Float_t c = 0.0299792; // cm/ps
	301	Float_t vertex = 0;
	302	if(besttimeA !=999999 && besttimeC != 999999 ){
94c27e4f	303	timeDiff = (besttimeC - besttimeA)*channelWidth;
	304	// meanTime = (besttimeA + besttimeC)/2.;
	305	meanTime = (meanT0 - (besttimeA + besttimeC)/2) * channelWidth;
29d3e0eb	306	vertex = c*(timeDiff)/2. + (fdZ_A - fdZ_C)/2; //-(lenr-lenl))/2;
c41ceaac	307	AliDebug(1,Form(" timeDiff %f ps, meanTime %f ps, vertex %f cm",timeDiff, meanTime,vertex ));
	308	frecpoints->SetVertex(vertex);
	309	frecpoints->SetMeanTime(Int_t(meanTime));
	310
	311	}
94c27e4f	312	//time in each channel as time[ipmt]-MeanTimeinThisChannel(with vertex=0)
	313	for (Int_t ipmt=0; ipmt<24; ipmt++) {
	314	if(time[ipmt]>1) {
74adb36a	315	time[ipmt] = (time[ipmt] - fTime0vertex[ipmt])*channelWidth;
94c27e4f	316	frecpoints->SetTime(ipmt,time[ipmt]);
	317	}
	318	}
c41ceaac	319	recTree->Fill();
94c27e4f	320
bd375212	321
	322	delete timeCFD;
	323	delete timeLED;
	324	delete chargeQT0;
	325	delete chargeQT1;
	326
c41ceaac	327	}
	328	//____________________________________________________________
	329
dc7ca31d	330	void AliT0Reconstructor::FillESD(AliRunLoader* runLoader, AliESD *pESD) const
	331	{
	332
	333	/***************************************************
	334	Resonstruct digits to vertex position
	335	****************************************************/
	336
	337
	338	if (!runLoader) {
	339	AliError("Reconstruct >> No run loader");
	340	return;
	341	}
	342
	343	AliDebug(1,Form("Start FillESD T0"));
	344
	345	AliT0Loader* pStartLoader = (AliT0Loader*) runLoader->GetLoader("T0Loader");
	346
	347	pStartLoader->LoadRecPoints("READ");
	348
	349	TTree *treeR = pStartLoader->TreeR();
	350
	351	AliT0RecPoint* frecpoints= new AliT0RecPoint ();
	352	if (!frecpoints) {
	353	AliError("Reconstruct Fill ESD >> no recpoints found");
	354	return;
	355	}
	356
	357	AliDebug(1,Form("Start FillESD T0"));
	358	TBranch *brRec = treeR->GetBranch("T0");
	359	if (brRec) {
	360	brRec->SetAddress(&frecpoints);
	361	}else{
	362	cerr<<"EXEC Branch T0 rec not found"<<endl;
	363	// exit(111);
	364	return;
	365	}
	366
	367	brRec->GetEntry(0);
	368	Float_t timeStart, Zposition, amp[24], time[24];
	369	Int_t i;
	370	Zposition = frecpoints -> GetVertex();
94c27e4f	371	timeStart = frecpoints -> GetMeanTime() ;
dc7ca31d	372	for ( i=0; i<24; i++) {
94c27e4f	373	time[i] = Float_t (frecpoints -> GetTime(i)); // ps to ns
dc7ca31d	374	amp[i] = frecpoints -> GetAmp(i);
	375	}
	376	pESD->SetT0zVertex(Zposition); //vertex Z position
	377	pESD->SetT0(timeStart); // interaction time
	378	pESD->SetT0time(time); // best TOF on each PMT
	379	pESD->SetT0amplitude(amp); // number of particles(MIPs) on each PMT
5325480c	380
5325480c	381	AliDebug(1,Form(" Z position %f cm, T0 %f ps",Zposition , timeStart));
dc7ca31d	382
	383	pStartLoader->UnloadRecPoints();
	384
	385	} // vertex in 3 sigma
	386
	387
	388
	389
	390
	391