[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),
  fParam(NULL),
  fAmpLEDrec(),
  fdZ_A(0),
  fdZ_C(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):
  AliReconstructor(r),
  fZposition(0),
  fParam(NULL),
  fAmpLEDrec(),
  fdZ_A(0),
  fdZ_C(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();     
  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{
    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();     
  Float_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);
    AliDebug(1,Form(" QTC %f mv,  QTC  %f MIPS time in chann %f time %f ",adc[ipmt], adc[ipmt]/50.,time[ipmt], time[ipmt]*channelWidth));
     
    }
    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]);
    }
    }
  */
  recTree->Fill();
 

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

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{
    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));

} // 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(),
d76c31f4	51	fZposition(0),
	52	fParam(NULL),
	53	fAmpLEDrec(),
	54	fdZ_A(0),
	55	fdZ_C(0)
e0bba6cc	56	{
c41ceaac	57	AliDebug(1,"Start reconstructor ");
74adb36a	58
	59	fParam = AliT0Parameters::Instance();
	60	fParam->Init();
74adb36a	61	for (Int_t i=0; i<24; i++){
	62	TGraph* gr = fParam ->GetAmpLEDRec(i);
	63	fAmpLEDrec.AddAtAndExpand(gr,i) ;
	64	fTime0vertex[i]= fParam->GetTimeDelayDA(i);
	65	}
29d3e0eb	66	fdZ_C = TMath::Abs(fParam->GetZPositionShift("T0/C/PMT1"));
29d3e0eb	67	fdZ_A = TMath::Abs(fParam->GetZPositionShift("T0/A/PMT15"));
74adb36a	68
c41ceaac	69	}
c41ceaac	70	//____________________________________________________________________
e0bba6cc	71
c41ceaac	72	AliT0Reconstructor::AliT0Reconstructor(const AliT0Reconstructor &r):
d76c31f4	73	AliReconstructor(r),
	74	fZposition(0),
	75	fParam(NULL),
	76	fAmpLEDrec(),
	77	fdZ_A(0),
	78	fdZ_C(0)
c41ceaac	79	{
	80	//
	81	// AliT0Reconstructor copy constructor
	82	//
e0bba6cc	83
c41ceaac	84	((AliT0Reconstructor &) r).Copy(*this);
e0bba6cc	85
	86	}
	87
c41ceaac	88	//_____________________________________________________________________________
c41ceaac	89	AliT0Reconstructor &AliT0Reconstructor::operator=(const AliT0Reconstructor &r)
dc7ca31d	90	{
c41ceaac	91	//
	92	// Assignment operator
	93	//
	94
	95	if (this != &r) ((AliT0Reconstructor &) r).Copy(*this);
	96	return *this;
e0bba6cc	97
dc7ca31d	98	}
c41ceaac	99
	100	//_____________________________________________________________________________
	101
dc7ca31d	102	void AliT0Reconstructor::Reconstruct(TTreedigitsTree, TTreeclustersTree) const
94c27e4f	103
dc7ca31d	104	{
94c27e4f	105	// T0 digits reconstruction
94c27e4f	106	// T0RecPoint writing
c41ceaac	107
74adb36a	108
c41ceaac	109	TArrayI * timeCFD = new TArrayI(24);
	110	TArrayI * timeLED = new TArrayI(24);
	111	TArrayI * chargeQT0 = new TArrayI(24);
	112	TArrayI * chargeQT1 = new TArrayI(24);
74adb36a	113
c41ceaac	114	AliT0Calibrator *calib=new AliT0Calibrator();
dc7ca31d	115
94c27e4f	116	// Int_t mV2Mip = param->GetmV2Mip();
dc7ca31d	117	//mV2Mip = param->GetmV2Mip();
8955c6b4	118	Float_t channelWidth = fParam->GetChannelWidth() ;
74adb36a	119	Int_t meanT0 = fParam->GetMeanT0();
94c27e4f	120
dc7ca31d	121	AliDebug(1,Form("Start DIGITS reconstruction "));
94c27e4f	122
dc7ca31d	123	TBranch *brDigits=digitsTree->GetBranch("T0");
e0bba6cc	124	AliT0digit *fDigits = new AliT0digit() ;
dc7ca31d	125	if (brDigits) {
	126	brDigits->SetAddress(&fDigits);
	127	}else{
	128	cerr<<"EXEC Branch T0 digits not found"<<endl;
	129	return;
	130	}
e0bba6cc	131
c41ceaac	132	digitsTree->GetEvent(0);
	133	digitsTree->GetEntry(0);
	134	brDigits->GetEntry(0);
	135	fDigits->GetTimeCFD(*timeCFD);
	136	fDigits->GetTimeLED(*timeLED);
	137	fDigits->GetQT0(*chargeQT0);
	138	fDigits->GetQT1(*chargeQT1);
	139
	140	Float_t besttimeA=999999;
	141	Float_t besttimeC=999999;
	142	Int_t pmtBestA=99999;
	143	Int_t pmtBestC=99999;
dc7ca31d	144	Float_t timeDiff=999999, meanTime=0;
dc7ca31d	145
e0bba6cc	146
e0bba6cc	147
94c27e4f	148	AliT0RecPoint* frecpoints= new AliT0RecPoint ();
	149	clustersTree->Branch( "T0", "AliT0RecPoint" ,&frecpoints, 405,1);
	150
dc7ca31d	151	Float_t time[24], adc[24];
dc7ca31d	152	for (Int_t ipmt=0; ipmt<24; ipmt++) {
c41ceaac	153	if(timeCFD->At(ipmt)>0 ){
29d3e0eb	154	Double_t qt0 = Double_t(chargeQT0->At(ipmt));
29d3e0eb	155	Double_t qt1 = Double_t(chargeQT1->At(ipmt));
c41ceaac	156	if((qt1-qt0)>0) adc[ipmt] = TMath::Exp( Double_t (channelWidth*(qt1-qt0)/1000));
29d3e0eb	157	time[ipmt] = calib-> WalkCorrection( ipmt,Int_t(qt1) , timeCFD->At(ipmt) ) ;
c41ceaac	158
c41ceaac	159	//LED
29d3e0eb	160	Double_t sl = (timeLED->At(ipmt) - time[ipmt])*channelWidth;
74adb36a	161	Double_t qt=((TGraph*)fAmpLEDrec.At(ipmt))->Eval(sl/1000.);
29d3e0eb	162	frecpoints->SetTime(ipmt,time[ipmt]);
dc7ca31d	163	frecpoints->SetAmp(ipmt,adc[ipmt]);
c41ceaac	164	frecpoints->SetAmpLED(ipmt,qt);
dc7ca31d	165	}
	166	else {
	167	time[ipmt] = 0;
	168	adc[ipmt] = 0;
	169	}
	170	}
94c27e4f	171
dc7ca31d	172	for (Int_t ipmt=0; ipmt<12; ipmt++){
dc7ca31d	173	if(time[ipmt] > 1 ) {
c41ceaac	174	if(time[ipmt]<besttimeC){
	175	besttimeC=time[ipmt]; //timeC
	176	pmtBestC=ipmt;
dc7ca31d	177	}
	178	}
	179	}
	180	for ( Int_t ipmt=12; ipmt<24; ipmt++){
	181	if(time[ipmt] > 1) {
c41ceaac	182	if(time[ipmt]<besttimeA) {
	183	besttimeA=time[ipmt]; //timeA
	184	pmtBestA=ipmt;}
dc7ca31d	185	}
dc7ca31d	186	}
c41ceaac	187	if(besttimeA !=999999) frecpoints->SetTimeBestA(Int_t(besttimeA));
	188	if( besttimeC != 999999 ) frecpoints->SetTimeBestC(Int_t(besttimeC));
	189	AliDebug(1,Form(" besttimeA %f ps, besttimeC %f ps",besttimeA, besttimeC));
dc7ca31d	190	Float_t c = 0.0299792; // cm/ps
dc7ca31d	191	Float_t vertex = 0;
c41ceaac	192	if(besttimeA !=999999 && besttimeC != 999999 ){
94c27e4f	193	timeDiff =(besttimeC - besttimeA)*channelWidth;
94c27e4f	194	meanTime = (meanT0 - (besttimeA + besttimeC)/2) * channelWidth;
29d3e0eb	195	vertex = c*(timeDiff)/2. + (fdZ_A - fdZ_C)/2; //-(lenr-lenl))/2;
dc7ca31d	196	AliDebug(1,Form(" timeDiff %f ps, meanTime %f ps, vertex %f cm",timeDiff, meanTime,vertex ));
	197	frecpoints->SetVertex(vertex);
	198	frecpoints->SetMeanTime(Int_t(meanTime));
	199
	200	}
94c27e4f	201	//time in each channel as time[ipmt]-MeanTimeinThisChannel(with vertex=0)
	202	for (Int_t ipmt=0; ipmt<24; ipmt++) {
	203	if(time[ipmt]>1) {
74adb36a	204	time[ipmt] = (time[ipmt] - fTime0vertex[ipmt])*channelWidth;
94c27e4f	205	frecpoints->SetTime(ipmt,time[ipmt]);
	206	}
	207	}
dc7ca31d	208	clustersTree->Fill();
bd375212	209
	210	delete timeCFD;
	211	delete timeLED;
	212	delete chargeQT0;
	213	delete chargeQT1;
dc7ca31d	214	}
	215
	216
c41ceaac	217	//_______________________________________________________________________
	218
	219	void AliT0Reconstructor::Reconstruct(AliRawReader* rawReader, TTree*recTree) const
	220	{
94c27e4f	221	// T0 raw ->
	222	// T0RecPoint writing
	223
	224	//Q->T-> coefficients !!!! should be measured!!!
5325480c	225	Int_t allData[110][5];
94c27e4f	226
c41ceaac	227	TArrayI * timeCFD = new TArrayI(24);
	228	TArrayI * timeLED = new TArrayI(24);
	229	TArrayI * chargeQT0 = new TArrayI(24);
	230	TArrayI * chargeQT1 = new TArrayI(24);
	231
5325480c	232	for (Int_t i=0; i<110; i++) {
	233	allData[i][0]=0;
	234	}
	235
c41ceaac	236	AliT0RawReader myrawreader(rawReader);
	237	if (!myrawreader.Next())
	238	AliDebug(1,Form(" no raw data found!! %i", myrawreader.Next()));
c41ceaac	239	for (Int_t i=0; i<110; i++) {
	240	allData[i][0]=myrawreader.GetData(i,0);
	241	}
74adb36a	242	AliT0Calibrator *calib = new AliT0Calibrator();
c41ceaac	243
74adb36a	244	// Int_t mV2Mip = param->GetmV2Mip();
c41ceaac	245	//mV2Mip = param->GetmV2Mip();
8955c6b4	246	Float_t channelWidth = fParam->GetChannelWidth() ;
8955c6b4	247
74adb36a	248	Int_t meanT0 = fParam->GetMeanT0();
74adb36a	249
5325480c	250	for (Int_t in=0; in<24; in++)
c41ceaac	251	{
	252	timeLED->AddAt(allData[in+1][0],in);
	253	timeCFD->AddAt(allData[in+25][0],in);
29d3e0eb	254	chargeQT1->AddAt(allData[in+57][0],in);
29d3e0eb	255	chargeQT0->AddAt(allData[in+80][0],in);
c41ceaac	256	AliDebug(10, Form(" readed Raw %i %i %i %i %i", in, timeLED->At(in),timeCFD->At(in),chargeQT0->At(in),chargeQT1->At(in)));
	257	}
	258
	259	Float_t besttimeA=999999;
	260	Float_t besttimeC=999999;
	261	Int_t pmtBestA=99999;
	262	Int_t pmtBestC=99999;
	263	Float_t timeDiff=999999, meanTime=0;
	264
	265
	266	AliT0RecPoint* frecpoints= new AliT0RecPoint ();
	267
	268	recTree->Branch( "T0", "AliT0RecPoint" ,&frecpoints, 405,1);
	269
	270
	271	Float_t time[24], adc[24];
	272	for (Int_t ipmt=0; ipmt<24; ipmt++) {
	273	if(timeCFD->At(ipmt)>0 ){
29d3e0eb	274	Double_t qt0 = Double_t(chargeQT0->At(ipmt));
29d3e0eb	275	Double_t qt1 = Double_t(chargeQT1->At(ipmt));
c41ceaac	276	if((qt1-qt0)>0) adc[ipmt] = TMath::Exp( Double_t (channelWidth*(qt1-qt0)/1000));
94c27e4f	277	// time[ipmt] = channelWidth * (calib-> WalkCorrection( ipmt,qt1 , timeCFD->At(ipmt) ) ) ;
29d3e0eb	278	time[ipmt] = calib-> WalkCorrection( ipmt,Int_t(qt1) , timeCFD->At(ipmt) ) ;
29d3e0eb	279	Double_t sl = (timeLED->At(ipmt) - time[ipmt])*channelWidth;
74adb36a	280	Double_t qt=((TGraph*)fAmpLEDrec.At(ipmt))->Eval(sl/1000.);
c41ceaac	281	frecpoints->SetTime(ipmt,time[ipmt]);
	282	frecpoints->SetAmp(ipmt,adc[ipmt]);
	283	frecpoints->SetAmpLED(ipmt,qt);
8955c6b4	284	AliDebug(1,Form(" QTC %f mv, QTC %f MIPS time in chann %f time %f ",adc[ipmt], adc[ipmt]/50.,time[ipmt], time[ipmt]*channelWidth));
8955c6b4	285
c41ceaac	286	}
	287	else {
	288	time[ipmt] = 0;
	289	adc[ipmt] = 0;
	290	}
	291	}
	292
	293	for (Int_t ipmt=0; ipmt<12; ipmt++){
	294	if(time[ipmt] > 1 ) {
	295	if(time[ipmt]<besttimeC){
	296	besttimeC=time[ipmt]; //timeC
	297	pmtBestC=ipmt;
	298	}
	299	}
	300	}
	301	for ( Int_t ipmt=12; ipmt<24; ipmt++){
	302	if(time[ipmt] > 1) {
	303	if(time[ipmt]<besttimeA) {
	304	besttimeA=time[ipmt]; //timeA
	305	pmtBestA=ipmt;}
	306	}
	307	}
	308	if(besttimeA !=999999) frecpoints->SetTimeBestA(Int_t(besttimeA));
	309	if( besttimeC != 999999 ) frecpoints->SetTimeBestC(Int_t(besttimeC));
	310	AliDebug(1,Form(" besttimeA %f ps, besttimeC %f ps",besttimeA, besttimeC));
	311	Float_t c = 0.0299792; // cm/ps
	312	Float_t vertex = 0;
	313	if(besttimeA !=999999 && besttimeC != 999999 ){
94c27e4f	314	timeDiff = (besttimeC - besttimeA)*channelWidth;
8955c6b4	315	meanTime = (meanT0 - (besttimeA + besttimeC)/2) * channelWidth;
29d3e0eb	316	vertex = c*(timeDiff)/2. + (fdZ_A - fdZ_C)/2; //-(lenr-lenl))/2;
c41ceaac	317	AliDebug(1,Form(" timeDiff %f ps, meanTime %f ps, vertex %f cm",timeDiff, meanTime,vertex ));
	318	frecpoints->SetVertex(vertex);
	319	frecpoints->SetMeanTime(Int_t(meanTime));
	320
	321	}
94c27e4f	322	//time in each channel as time[ipmt]-MeanTimeinThisChannel(with vertex=0)
8955c6b4	323	/*
94c27e4f	324	for (Int_t ipmt=0; ipmt<24; ipmt++) {
94c27e4f	325	if(time[ipmt]>1) {
74adb36a	326	time[ipmt] = (time[ipmt] - fTime0vertex[ipmt])*channelWidth;
94c27e4f	327	frecpoints->SetTime(ipmt,time[ipmt]);
94c27e4f	328	}
8955c6b4	329	}
8955c6b4	330	*/
c41ceaac	331	recTree->Fill();
94c27e4f	332
bd375212	333
	334	delete timeCFD;
	335	delete timeLED;
	336	delete chargeQT0;
	337	delete chargeQT1;
	338
c41ceaac	339	}
	340	//____________________________________________________________
	341
d76c31f4	342	void AliT0Reconstructor::FillESD(TTree /digitsTree/, TTree clustersTree, AliESDEvent *pESD) const
dc7ca31d	343	{
	344
	345	/***************************************************
	346	Resonstruct digits to vertex position
	347	****************************************************/
	348
dc7ca31d	349	AliDebug(1,Form("Start FillESD T0"));
dc7ca31d	350
d76c31f4	351	TTree *treeR = clustersTree;
dc7ca31d	352
	353	AliT0RecPoint* frecpoints= new AliT0RecPoint ();
	354	if (!frecpoints) {
	355	AliError("Reconstruct Fill ESD >> no recpoints found");
	356	return;
	357	}
	358
	359	AliDebug(1,Form("Start FillESD T0"));
	360	TBranch *brRec = treeR->GetBranch("T0");
	361	if (brRec) {
	362	brRec->SetAddress(&frecpoints);
	363	}else{
	364	cerr<<"EXEC Branch T0 rec not found"<<endl;
	365	// exit(111);
	366	return;
	367	}
	368
	369	brRec->GetEntry(0);
	370	Float_t timeStart, Zposition, amp[24], time[24];
	371	Int_t i;
	372	Zposition = frecpoints -> GetVertex();
94c27e4f	373	timeStart = frecpoints -> GetMeanTime() ;
dc7ca31d	374	for ( i=0; i<24; i++) {
94c27e4f	375	time[i] = Float_t (frecpoints -> GetTime(i)); // ps to ns
dc7ca31d	376	amp[i] = frecpoints -> GetAmp(i);
	377	}
	378	pESD->SetT0zVertex(Zposition); //vertex Z position
	379	pESD->SetT0(timeStart); // interaction time
	380	pESD->SetT0time(time); // best TOF on each PMT
	381	pESD->SetT0amplitude(amp); // number of particles(MIPs) on each PMT
5325480c	382
5325480c	383	AliDebug(1,Form(" Z position %f cm, T0 %f ps",Zposition , timeStart));
dc7ca31d	384
dc7ca31d	385	} // vertex in 3 sigma
	386
	387
	388
	389
	390
	391