[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 <AliESDEvent.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 <TMath.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, AliESDEvent *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"
af885e0f	23	#include <AliESDEvent.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>
aad72f45	40	#include <TMath.h>
bd375212	41	//#include <TGeoManager.h>
	42	//#include <TClonesArray.h>
	43	//#include <TString.h>
	44	//#include <TGeoPNEntry.h>
	45	//#include <TGeoPhysicalNode.h>
	46	//#include <TGeoHMatrix.h>
dc7ca31d	47
	48	ClassImp(AliT0Reconstructor)
	49
c41ceaac	50	AliT0Reconstructor:: AliT0Reconstructor(): AliReconstructor(),
bd375212	51	fZposition(0)
c41ceaac	52
e0bba6cc	53	{
c41ceaac	54	AliDebug(1,"Start reconstructor ");
74adb36a	55
	56	fParam = AliT0Parameters::Instance();
	57	fParam->Init();
74adb36a	58	for (Int_t i=0; i<24; i++){
	59	TGraph* gr = fParam ->GetAmpLEDRec(i);
	60	fAmpLEDrec.AddAtAndExpand(gr,i) ;
	61	fTime0vertex[i]= fParam->GetTimeDelayDA(i);
	62	}
29d3e0eb	63	fdZ_C = TMath::Abs(fParam->GetZPositionShift("T0/C/PMT1"));
29d3e0eb	64	fdZ_A = TMath::Abs(fParam->GetZPositionShift("T0/A/PMT15"));
74adb36a	65
c41ceaac	66	}
c41ceaac	67	//____________________________________________________________________
e0bba6cc	68
c41ceaac	69	AliT0Reconstructor::AliT0Reconstructor(const AliT0Reconstructor &r):
c41ceaac	70	fZposition(0)
	71
	72	{
	73	//
	74	// AliT0Reconstructor copy constructor
	75	//
e0bba6cc	76
c41ceaac	77	((AliT0Reconstructor &) r).Copy(*this);
e0bba6cc	78
	79	}
	80
c41ceaac	81	//_____________________________________________________________________________
c41ceaac	82	AliT0Reconstructor &AliT0Reconstructor::operator=(const AliT0Reconstructor &r)
dc7ca31d	83	{
c41ceaac	84	//
	85	// Assignment operator
	86	//
	87
	88	if (this != &r) ((AliT0Reconstructor &) r).Copy(*this);
	89	return *this;
e0bba6cc	90
dc7ca31d	91	}
c41ceaac	92
	93	//_____________________________________________________________________________
	94
dc7ca31d	95	void AliT0Reconstructor::Reconstruct(TTreedigitsTree, TTreeclustersTree) const
94c27e4f	96
dc7ca31d	97	{
94c27e4f	98	// T0 digits reconstruction
94c27e4f	99	// T0RecPoint writing
c41ceaac	100
74adb36a	101
c41ceaac	102	TArrayI * timeCFD = new TArrayI(24);
	103	TArrayI * timeLED = new TArrayI(24);
	104	TArrayI * chargeQT0 = new TArrayI(24);
	105	TArrayI * chargeQT1 = new TArrayI(24);
74adb36a	106
c41ceaac	107	AliT0Calibrator *calib=new AliT0Calibrator();
dc7ca31d	108
94c27e4f	109	// Int_t mV2Mip = param->GetmV2Mip();
dc7ca31d	110	//mV2Mip = param->GetmV2Mip();
74adb36a	111	Int_t channelWidth = fParam->GetChannelWidth() ;
74adb36a	112	Int_t meanT0 = fParam->GetMeanT0();
94c27e4f	113
dc7ca31d	114	AliDebug(1,Form("Start DIGITS reconstruction "));
94c27e4f	115
dc7ca31d	116	TBranch *brDigits=digitsTree->GetBranch("T0");
e0bba6cc	117	AliT0digit *fDigits = new AliT0digit() ;
dc7ca31d	118	if (brDigits) {
	119	brDigits->SetAddress(&fDigits);
	120	}else{
	121	cerr<<"EXEC Branch T0 digits not found"<<endl;
	122	return;
	123	}
e0bba6cc	124
c41ceaac	125	digitsTree->GetEvent(0);
	126	digitsTree->GetEntry(0);
	127	brDigits->GetEntry(0);
	128	fDigits->GetTimeCFD(*timeCFD);
	129	fDigits->GetTimeLED(*timeLED);
	130	fDigits->GetQT0(*chargeQT0);
	131	fDigits->GetQT1(*chargeQT1);
	132
	133	Float_t besttimeA=999999;
	134	Float_t besttimeC=999999;
	135	Int_t pmtBestA=99999;
	136	Int_t pmtBestC=99999;
dc7ca31d	137	Float_t timeDiff=999999, meanTime=0;
dc7ca31d	138
e0bba6cc	139
e0bba6cc	140
94c27e4f	141	AliT0RecPoint* frecpoints= new AliT0RecPoint ();
	142	clustersTree->Branch( "T0", "AliT0RecPoint" ,&frecpoints, 405,1);
	143
dc7ca31d	144	Float_t time[24], adc[24];
dc7ca31d	145	for (Int_t ipmt=0; ipmt<24; ipmt++) {
c41ceaac	146	if(timeCFD->At(ipmt)>0 ){
29d3e0eb	147	Double_t qt0 = Double_t(chargeQT0->At(ipmt));
29d3e0eb	148	Double_t qt1 = Double_t(chargeQT1->At(ipmt));
c41ceaac	149	if((qt1-qt0)>0) adc[ipmt] = TMath::Exp( Double_t (channelWidth*(qt1-qt0)/1000));
29d3e0eb	150	time[ipmt] = calib-> WalkCorrection( ipmt,Int_t(qt1) , timeCFD->At(ipmt) ) ;
c41ceaac	151
c41ceaac	152	//LED
29d3e0eb	153	Double_t sl = (timeLED->At(ipmt) - time[ipmt])*channelWidth;
74adb36a	154	Double_t qt=((TGraph*)fAmpLEDrec.At(ipmt))->Eval(sl/1000.);
29d3e0eb	155	frecpoints->SetTime(ipmt,time[ipmt]);
dc7ca31d	156	frecpoints->SetAmp(ipmt,adc[ipmt]);
c41ceaac	157	frecpoints->SetAmpLED(ipmt,qt);
dc7ca31d	158	}
	159	else {
	160	time[ipmt] = 0;
	161	adc[ipmt] = 0;
	162	}
	163	}
94c27e4f	164
dc7ca31d	165	for (Int_t ipmt=0; ipmt<12; ipmt++){
dc7ca31d	166	if(time[ipmt] > 1 ) {
c41ceaac	167	if(time[ipmt]<besttimeC){
	168	besttimeC=time[ipmt]; //timeC
	169	pmtBestC=ipmt;
dc7ca31d	170	}
	171	}
	172	}
	173	for ( Int_t ipmt=12; ipmt<24; ipmt++){
	174	if(time[ipmt] > 1) {
c41ceaac	175	if(time[ipmt]<besttimeA) {
	176	besttimeA=time[ipmt]; //timeA
	177	pmtBestA=ipmt;}
dc7ca31d	178	}
dc7ca31d	179	}
c41ceaac	180	if(besttimeA !=999999) frecpoints->SetTimeBestA(Int_t(besttimeA));
	181	if( besttimeC != 999999 ) frecpoints->SetTimeBestC(Int_t(besttimeC));
	182	AliDebug(1,Form(" besttimeA %f ps, besttimeC %f ps",besttimeA, besttimeC));
dc7ca31d	183	Float_t c = 0.0299792; // cm/ps
dc7ca31d	184	Float_t vertex = 0;
c41ceaac	185	if(besttimeA !=999999 && besttimeC != 999999 ){
94c27e4f	186	timeDiff =(besttimeC - besttimeA)*channelWidth;
94c27e4f	187	meanTime = (meanT0 - (besttimeA + besttimeC)/2) * channelWidth;
29d3e0eb	188	vertex = c*(timeDiff)/2. + (fdZ_A - fdZ_C)/2; //-(lenr-lenl))/2;
dc7ca31d	189	AliDebug(1,Form(" timeDiff %f ps, meanTime %f ps, vertex %f cm",timeDiff, meanTime,vertex ));
	190	frecpoints->SetVertex(vertex);
	191	frecpoints->SetMeanTime(Int_t(meanTime));
	192
	193	}
94c27e4f	194	//time in each channel as time[ipmt]-MeanTimeinThisChannel(with vertex=0)
	195	for (Int_t ipmt=0; ipmt<24; ipmt++) {
	196	if(time[ipmt]>1) {
74adb36a	197	time[ipmt] = (time[ipmt] - fTime0vertex[ipmt])*channelWidth;
94c27e4f	198	frecpoints->SetTime(ipmt,time[ipmt]);
	199	}
	200	}
dc7ca31d	201	clustersTree->Fill();
bd375212	202
	203	delete timeCFD;
	204	delete timeLED;
	205	delete chargeQT0;
	206	delete chargeQT1;
dc7ca31d	207	}
	208
	209
c41ceaac	210	//_______________________________________________________________________
	211
	212	void AliT0Reconstructor::Reconstruct(AliRawReader* rawReader, TTree*recTree) const
	213	{
94c27e4f	214	// T0 raw ->
	215	// T0RecPoint writing
	216
	217	//Q->T-> coefficients !!!! should be measured!!!
5325480c	218	Int_t allData[110][5];
94c27e4f	219
c41ceaac	220	TArrayI * timeCFD = new TArrayI(24);
	221	TArrayI * timeLED = new TArrayI(24);
	222	TArrayI * chargeQT0 = new TArrayI(24);
	223	TArrayI * chargeQT1 = new TArrayI(24);
	224
5325480c	225	for (Int_t i=0; i<110; i++) {
	226	allData[i][0]=0;
	227	}
	228
c41ceaac	229	AliT0RawReader myrawreader(rawReader);
	230	if (!myrawreader.Next())
	231	AliDebug(1,Form(" no raw data found!! %i", myrawreader.Next()));
c41ceaac	232	for (Int_t i=0; i<110; i++) {
	233	allData[i][0]=myrawreader.GetData(i,0);
	234	}
74adb36a	235	AliT0Calibrator *calib = new AliT0Calibrator();
c41ceaac	236
74adb36a	237	// Int_t mV2Mip = param->GetmV2Mip();
c41ceaac	238	//mV2Mip = param->GetmV2Mip();
74adb36a	239	Int_t channelWidth = fParam->GetChannelWidth() ;
	240	Int_t meanT0 = fParam->GetMeanT0();
	241
5325480c	242	for (Int_t in=0; in<24; in++)
c41ceaac	243	{
	244	timeLED->AddAt(allData[in+1][0],in);
	245	timeCFD->AddAt(allData[in+25][0],in);
29d3e0eb	246	chargeQT1->AddAt(allData[in+57][0],in);
29d3e0eb	247	chargeQT0->AddAt(allData[in+80][0],in);
c41ceaac	248	AliDebug(10, Form(" readed Raw %i %i %i %i %i", in, timeLED->At(in),timeCFD->At(in),chargeQT0->At(in),chargeQT1->At(in)));
	249	}
	250
	251	Float_t besttimeA=999999;
	252	Float_t besttimeC=999999;
	253	Int_t pmtBestA=99999;
	254	Int_t pmtBestC=99999;
	255	Float_t timeDiff=999999, meanTime=0;
	256
	257
	258	AliT0RecPoint* frecpoints= new AliT0RecPoint ();
	259
	260	recTree->Branch( "T0", "AliT0RecPoint" ,&frecpoints, 405,1);
	261
	262
	263	Float_t time[24], adc[24];
	264	for (Int_t ipmt=0; ipmt<24; ipmt++) {
	265	if(timeCFD->At(ipmt)>0 ){
29d3e0eb	266	Double_t qt0 = Double_t(chargeQT0->At(ipmt));
29d3e0eb	267	Double_t qt1 = Double_t(chargeQT1->At(ipmt));
c41ceaac	268	if((qt1-qt0)>0) adc[ipmt] = TMath::Exp( Double_t (channelWidth*(qt1-qt0)/1000));
94c27e4f	269	// time[ipmt] = channelWidth * (calib-> WalkCorrection( ipmt,qt1 , timeCFD->At(ipmt) ) ) ;
29d3e0eb	270	time[ipmt] = calib-> WalkCorrection( ipmt,Int_t(qt1) , timeCFD->At(ipmt) ) ;
29d3e0eb	271	Double_t sl = (timeLED->At(ipmt) - time[ipmt])*channelWidth;
74adb36a	272	Double_t qt=((TGraph*)fAmpLEDrec.At(ipmt))->Eval(sl/1000.);
c41ceaac	273	frecpoints->SetTime(ipmt,time[ipmt]);
	274	frecpoints->SetAmp(ipmt,adc[ipmt]);
	275	frecpoints->SetAmpLED(ipmt,qt);
	276	}
	277	else {
	278	time[ipmt] = 0;
	279	adc[ipmt] = 0;
	280	}
	281	}
	282
	283	for (Int_t ipmt=0; ipmt<12; ipmt++){
	284	if(time[ipmt] > 1 ) {
	285	if(time[ipmt]<besttimeC){
	286	besttimeC=time[ipmt]; //timeC
	287	pmtBestC=ipmt;
	288	}
	289	}
	290	}
	291	for ( Int_t ipmt=12; ipmt<24; ipmt++){
	292	if(time[ipmt] > 1) {
	293	if(time[ipmt]<besttimeA) {
	294	besttimeA=time[ipmt]; //timeA
	295	pmtBestA=ipmt;}
	296	}
	297	}
	298	if(besttimeA !=999999) frecpoints->SetTimeBestA(Int_t(besttimeA));
	299	if( besttimeC != 999999 ) frecpoints->SetTimeBestC(Int_t(besttimeC));
	300	AliDebug(1,Form(" besttimeA %f ps, besttimeC %f ps",besttimeA, besttimeC));
	301	Float_t c = 0.0299792; // cm/ps
	302	Float_t vertex = 0;
	303	if(besttimeA !=999999 && besttimeC != 999999 ){
94c27e4f	304	timeDiff = (besttimeC - besttimeA)*channelWidth;
	305	// meanTime = (besttimeA + besttimeC)/2.;
	306	meanTime = (meanT0 - (besttimeA + besttimeC)/2) * channelWidth;
29d3e0eb	307	vertex = c*(timeDiff)/2. + (fdZ_A - fdZ_C)/2; //-(lenr-lenl))/2;
c41ceaac	308	AliDebug(1,Form(" timeDiff %f ps, meanTime %f ps, vertex %f cm",timeDiff, meanTime,vertex ));
	309	frecpoints->SetVertex(vertex);
	310	frecpoints->SetMeanTime(Int_t(meanTime));
	311
	312	}
94c27e4f	313	//time in each channel as time[ipmt]-MeanTimeinThisChannel(with vertex=0)
	314	for (Int_t ipmt=0; ipmt<24; ipmt++) {
	315	if(time[ipmt]>1) {
74adb36a	316	time[ipmt] = (time[ipmt] - fTime0vertex[ipmt])*channelWidth;
94c27e4f	317	frecpoints->SetTime(ipmt,time[ipmt]);
	318	}
	319	}
c41ceaac	320	recTree->Fill();
94c27e4f	321
bd375212	322
	323	delete timeCFD;
	324	delete timeLED;
	325	delete chargeQT0;
	326	delete chargeQT1;
	327
c41ceaac	328	}
	329	//____________________________________________________________
	330
af885e0f	331	void AliT0Reconstructor::FillESD(AliRunLoader* runLoader, AliESDEvent *pESD) const
dc7ca31d	332	{
	333
	334	/***************************************************
	335	Resonstruct digits to vertex position
	336	****************************************************/
	337
	338
	339	if (!runLoader) {
	340	AliError("Reconstruct >> No run loader");
	341	return;
	342	}
	343
	344	AliDebug(1,Form("Start FillESD T0"));
	345
	346	AliT0Loader* pStartLoader = (AliT0Loader*) runLoader->GetLoader("T0Loader");
	347
	348	pStartLoader->LoadRecPoints("READ");
	349
	350	TTree *treeR = pStartLoader->TreeR();
	351
	352	AliT0RecPoint* frecpoints= new AliT0RecPoint ();
	353	if (!frecpoints) {
	354	AliError("Reconstruct Fill ESD >> no recpoints found");
	355	return;
	356	}
	357
	358	AliDebug(1,Form("Start FillESD T0"));
	359	TBranch *brRec = treeR->GetBranch("T0");
	360	if (brRec) {
	361	brRec->SetAddress(&frecpoints);
	362	}else{
	363	cerr<<"EXEC Branch T0 rec not found"<<endl;
	364	// exit(111);
	365	return;
	366	}
	367
	368	brRec->GetEntry(0);
	369	Float_t timeStart, Zposition, amp[24], time[24];
	370	Int_t i;
	371	Zposition = frecpoints -> GetVertex();
94c27e4f	372	timeStart = frecpoints -> GetMeanTime() ;
dc7ca31d	373	for ( i=0; i<24; i++) {
94c27e4f	374	time[i] = Float_t (frecpoints -> GetTime(i)); // ps to ns
dc7ca31d	375	amp[i] = frecpoints -> GetAmp(i);
	376	}
	377	pESD->SetT0zVertex(Zposition); //vertex Z position
	378	pESD->SetT0(timeStart); // interaction time
	379	pESD->SetT0time(time); // best TOF on each PMT
	380	pESD->SetT0amplitude(amp); // number of particles(MIPs) on each PMT
5325480c	381
5325480c	382	AliDebug(1,Form(" Z position %f cm, T0 %f ps",Zposition , timeStart));
dc7ca31d	383
	384	pStartLoader->UnloadRecPoints();
	385
	386	} // vertex in 3 sigma
	387
	388
	389
	390
	391
	392