[u/mrichter/AliRoot.git] / START / AliSTARTDigitizer.cxx


/**************************************************************************
 * Copyright(c) 1998-2000, 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.                  *
 **************************************************************************/


#include <TTree.h> 
#include <TFile.h>
#include <TDirectory.h>
#include <TRandom.h>
#include <TArrayI.h>
#include <TError.h>
#include <TH1F.h>
#include <TGraph.h>

#include "AliLog.h"
#include "AliSTARTDigitizer.h"
#include "AliSTART.h"
#include "AliSTARThit.h"
#include "AliSTARTdigit.h"
#include "AliRunDigitizer.h"
#include <AliDetector.h>
#include "AliRun.h"
#include <AliLoader.h>
#include <AliRunLoader.h>
#include <stdlib.h>
#include <Riostream.h>
#include <Riostream.h>
#include "AliSTARTParameters.h"
#include "AliCDBLocal.h"
#include "AliCDBStorage.h"
#include "AliCDBManager.h"
#include "AliCDBEntry.h"

ClassImp(AliSTARTDigitizer)

//___________________________________________
  AliSTARTDigitizer::AliSTARTDigitizer()  :AliDigitizer()
{
// Default ctor - don't use it
  ;
}

//___________________________________________
AliSTARTDigitizer::AliSTARTDigitizer(AliRunDigitizer* manager) 
  :AliDigitizer(manager),
   fSTART(0),
   fHits(0),
   fdigits(0),
   ftimeCFD(0),
   ftimeLED(0),
   fADC(0),
   fADC0(0)
{
// ctor which should be used

  AliDebug(1,"processed");

  fSTART = 0;
  fHits = 0;
  fdigits = 0;

  ftimeCFD = new TArrayI(24); 
  fADC = new TArrayI(24); 
  ftimeLED = new TArrayI(24); 
  fADC0 = new TArrayI(24); 
  

}

//------------------------------------------------------------------------
AliSTARTDigitizer::~AliSTARTDigitizer()
{
// Destructor

  AliDebug(1,"START");

  delete ftimeCFD;
  delete fADC;
  delete ftimeLED;
  delete  fADC0;
}

 //------------------------------------------------------------------------
Bool_t AliSTARTDigitizer::Init()
{
// Initialization
  AliDebug(1," Init");
 return kTRUE;
}
 

//---------------------------------------------------------------------

void AliSTARTDigitizer::Exec(Option_t* /*option*/)
{

  /*
    Produde digits from hits
        digits is TObject and includes
	We are writing array if left & right  TDC
	left & right  ADC (will need for slow simulation)
	TOF first particle left & right
	mean time and time difference (vertex position)
	
  */

  //output loader 
  AliRunLoader *outRL = AliRunLoader::GetRunLoader(fManager->GetOutputFolderName());
  AliLoader * pOutStartLoader = outRL->GetLoader("STARTLoader");

  AliDebug(1,"start...");
  //input loader
  //
  // From hits to digits
  //
 Int_t hit, nhits;
  Int_t countE[24];
  Int_t volume, pmt, trCFD, trLED; 
  Float_t sl, qt;
  Int_t  bestRightTDC, bestLeftTDC;
  Float_t time[24], besttime[24], timeGaus[24] ;
  //  Float_t channelWidth=25.; //ps
    //Q->T-> coefficients !!!! should be asked!!!
  Float_t gain[24],timeDelayCFD[24], timeDelayLED[24];
  Int_t threshold =50; //photoelectrons
  Int_t qtThreshold=13, qtCh;
  Float_t zdetA, zdetC;
  TObjArray slewingLED;
  AliSTARTParameters* param = AliSTARTParameters::Instance();
  Int_t ph2Mip = param->GetPh2Mip();     
  Int_t channelWidth = param->GetChannelWidth() ;  
  
  param->Init();
  for (Int_t i=0; i<24; i++){
    timeDelayCFD[i] = param->GetTimeDelayCFD(i);
    timeDelayLED[i] = param->GetTimeDelayLED(i);
    gain[i] = param->GetGain(i);
    TGraph* gr = param ->GetSlew(i);
    slewingLED.AddAtAndExpand(gr,i);
    TGraph* grEff = param ->GetPMTeff(i);
    fEffPMT.AddAtAndExpand(grEff,i);
  }
  zdetC = param->GetZposition(0);
  zdetA = param->GetZposition(1);
  
  AliSTARThit  *startHit;
  TBranch *brHits=0;
  
  Int_t nFiles=fManager->GetNinputs();
  for (Int_t inputFile=0; inputFile<nFiles;  inputFile++) {
    if (inputFile < nFiles-1) {
	AliWarning(Form("ignoring input stream %d", inputFile));
	continue;
	
    }
    
    Float_t besttimeright=99999.;
    Float_t besttimeleft=99999.;
    Int_t pmtBestRight=9999;
    Int_t pmtBestLeft=9999;
    Int_t timeDiff=99999, meanTime=0;
    Int_t sumMult =0;
    ftimeCFD -> Reset();
    fADC -> Reset();
    fADC0 -> Reset();
    ftimeLED ->Reset();
    cout<<" before reading event "<<endl;
    for (Int_t i0=0; i0<24; i0++)
      {
	time[i0]=besttime[i0]=timeGaus[i0]=99999; countE[i0]=0;
      }
    AliRunLoader * inRL = AliRunLoader::GetRunLoader(fManager->GetInputFolderName(inputFile));
    AliLoader * pInStartLoader = inRL->GetLoader("STARTLoader");
    if (!inRL->GetAliRun()) inRL->LoadgAlice();
    AliSTART *fSTART  = (AliSTART*)inRL ->GetAliRun()->GetDetector("START");

       //read Hits 
    pInStartLoader->LoadHits("READ");//probably it is necessary to load them before
    TClonesArray *fHits = fSTART->Hits ();
    TTree *th = pInStartLoader->TreeH();
    brHits = th->GetBranch("START");
    if (brHits) {
      fSTART->SetHitsAddressBranch(brHits);
    }else{
      AliError("Branch START hit not found");
      exit(111);
    } 
    Int_t ntracks    = (Int_t) th->GetEntries();
    
    if (ntracks<=0) return;
    // Start loop on tracks in the hits containers
    for (Int_t track=0; track<ntracks;track++) {
      brHits->GetEntry(track);
      nhits = fHits->GetEntriesFast();
      for (hit=0;hit<nhits;hit++) 
	{
	  startHit   = (AliSTARThit*) fHits->UncheckedAt(hit);
	  if (!startHit) {
 	    AliError("The unchecked hit doesn't exist");
	    break;
	  }
	  pmt=startHit->Pmt();
	  Int_t numpmt=pmt-1;
	  	  Double_t e=startHit->Etot();
	  volume = startHit->Volume();
	  
	  if(e>0 && RegisterPhotoE(numpmt,e)) {
	    countE[numpmt]++;
	    besttime[numpmt] = startHit->Time();
	    if(besttime[numpmt]<time[numpmt])
	      {
		time[numpmt]=besttime[numpmt];
	      }
	  } //photoelectron accept 
	} //hits loop
    } //track loop
    cout<<" hits was read "<<endl;
    
    //spread time right&left by 25ps   && besttime
     Float_t c = 0.0299792; // cm/ps

   Float_t koef=(zdetA-zdetC)/c; //correction position difference by cable
    for (Int_t ipmt=0; ipmt<12; ipmt++){
      if(countE[ipmt] > threshold) {
	timeGaus[ipmt]=gRandom->Gaus(time[ipmt],25)+koef;
	if(timeGaus[ipmt]<besttimeleft){
	  besttimeleft=timeGaus[ipmt]; //timeleft
	  pmtBestLeft=ipmt;}
      }
    }
    cout<<"left "<<besttimeleft<<" "<<pmtBestLeft<<" koef "<<koef<<endl;
    for ( Int_t ipmt=12; ipmt<24; ipmt++){
      if(countE[ipmt] > threshold) {
	timeGaus[ipmt]=gRandom->Gaus(time[ipmt],25); 
	if(timeGaus[ipmt]<besttimeright) {
	  besttimeright=timeGaus[ipmt]; //timeright
	  pmtBestRight=ipmt;}
      }	
    }
    cout<<"right"<<besttimeright<<" "<<pmtBestRight<<endl;
  
   //folding with alignmentz position distribution  

    //    Float_t koef=(zdetA-zdetC)/c;
    //  Float_t  besttimeleftR= besttimeleft;
    // besttimeleft=koef+besttimeleft;
    cout<<"  besttimeleft "<< besttimeleft<<" delay "<< timeDelayCFD[pmtBestLeft]<<" channelWidth "<<channelWidth<<endl;
    bestLeftTDC=Int_t ((besttimeleft+1000*timeDelayCFD[pmtBestLeft])
		       /channelWidth);
    cout<<" bestLeftTDC "<<bestLeftTDC<<" delay "<<timeDelayCFD[pmtBestLeft]<<endl;
    bestRightTDC=Int_t ((besttimeright+1000*timeDelayCFD[pmtBestLeft])
			/channelWidth);
    timeDiff=Int_t (((besttimeleft+1000*timeDelayCFD[pmtBestLeft])-
		    (besttimeright+1000*timeDelayCFD[pmtBestLeft])
		    )/channelWidth);
    meanTime=Int_t (((besttimeright+1000*timeDelayCFD[pmtBestLeft]+
		      besttimeleft+1000*timeDelayCFD[pmtBestLeft])/2.)
		    /channelWidth);
    cout<<"bestLeftTDC"<<bestLeftTDC<<" bestRightTDC "<< bestRightTDC<<
      " timeDiff "<<timeDiff<<" meanTime= "<<meanTime<<endl;   
    AliDebug(2,Form(" time in ns %f ", besttimeleft));
    for (Int_t i=0; i<24; i++)
      {
       	Float_t  al = countE[i]; 
	if (al>threshold && timeGaus[i]<50000 ) {
	//fill ADC
	// QTC procedure:
	// phe -> mV 0.3; 1MIP ->500phe -> ln (amp (mV)) = 5;
	// max 200ns, HIJING  mean 50000phe -> 15000mv -> ln = 15 (s zapasom)
	// channel 25ps
	  qt= 50.*al*gain[i]/ph2Mip;  // 50mv/Mip amp in mV 
	//  fill TDC
	  trCFD = Int_t (timeGaus[i] + 1000.*timeDelayCFD[i])/channelWidth; 
	  trLED= Int_t (timeGaus[i] + 1000.*timeDelayLED[i]); 
	  sl = ((TGraph*)slewingLED.At(i))->Eval(qt);
	  trLED = Int_t(( trLED + 1000*sl )/channelWidth);
	  qtCh=Int_t (1000.*TMath::Log(qt)) / channelWidth;
	  fADC0->AddAt(0,i);
	  fADC->AddAt(qtCh,i);
	  ftimeCFD->AddAt(Int_t (trCFD),i);
	  ftimeLED->AddAt(trLED,i); 
	  sumMult += Int_t ((al*gain[i]/ph2Mip)*50) ;
	  cout<<al<<" "<<qt<<" trCFD "<<trCFD<<" sl "<<sl<<" trLED "<<trLED<<
	    " qtThreshold "<<qtThreshold<<"  qtCh "<< qtCh<<endl;
	}
      } //pmt loop

	if (sumMult > threshold){
	  fSumMult =  Int_t (TMath::Log(sumMult));
	}
    fSTART->AddDigit(bestRightTDC,bestLeftTDC,meanTime,timeDiff,fSumMult,
		     ftimeCFD,fADC,ftimeLED,fADC0);
    pOutStartLoader->UnloadHits();
  } //input streams loop
  
    //load digits    
    pOutStartLoader->LoadDigits("UPDATE");
    TTree *treeD  = pOutStartLoader->TreeD();
    if (treeD == 0x0) {
      pOutStartLoader->MakeTree("D");
      treeD = pOutStartLoader->TreeD();
    }
    treeD->Reset();
    fSTART  = (AliSTART*)outRL ->GetAliRun()->GetDetector("START");
    // Make a branch in the tree 
    fSTART->MakeBranch("D");
    //     treeD->Print();
     treeD->Fill();
     cout<<"   treeD->Fill(); "<<endl;
  
     pOutStartLoader->WriteDigits("OVERWRITE");
     
     cout<<"  pOutStartLoader->WriteDigits "<<endl;
     fSTART->ResetDigits();
     pOutStartLoader->UnloadDigits();
     
}


//------------------------------------------------------------------------
Bool_t AliSTARTDigitizer::RegisterPhotoE(Int_t ipmt,Double_t energy)
{

  
  //  Float_t hc=197.326960*1.e6; //mev*nm
  Double_t hc=1.973*1.e-6; //gev*nm
  Float_t lambda=hc/energy;
  Float_t eff = ((TGraph*) fEffPMT.At(ipmt))->Eval(lambda);
  Double_t  p = gRandom->Rndm();

  if (p > eff)
    return kFALSE;
  
  return kTRUE;
}

//----------------------------------------------------------------------------
Commit	Line	Data
ede9aff7	1
	2	/**************************************************************************
	3	* Copyright(c) 1998-2000, ALICE Experiment at CERN, All rights reserved. *
	4	* *
	5	* Author: The ALICE Off-line Project. *
	6	* Contributors are mentioned in the code where appropriate. *
	7	* *
	8	* Permission to use, copy, modify and distribute this software and its *
	9	* documentation strictly for non-commercial purposes is hereby granted *
	10	* without fee, provided that the above copyright notice appears in all *
	11	* copies and that both the copyright notice and this permission notice *
	12	* appear in the supporting documentation. The authors make no claims *
	13	* about the suitability of this software for any purpose. It is *
	14	* provided "as is" without express or implied warranty. *
	15	**************************************************************************/
	16
	17
	18	#include <TTree.h>
ede9aff7	19	#include <TFile.h>
	20	#include <TDirectory.h>
	21	#include <TRandom.h>
e73d68f2	22	#include <TArrayI.h>
2b4678e2	23	#include <TError.h>
e4da63c2	24	#include <TH1F.h>
c848a65b	25	#include <TGraph.h>
ede9aff7	26
e4da63c2	27	#include "AliLog.h"
ede9aff7	28	#include "AliSTARTDigitizer.h"
	29	#include "AliSTART.h"
	30	#include "AliSTARThit.h"
	31	#include "AliSTARTdigit.h"
	32	#include "AliRunDigitizer.h"
affef71b	33	#include <AliDetector.h>
ede9aff7	34	#include "AliRun.h"
affef71b	35	#include <AliLoader.h>
affef71b	36	#include <AliRunLoader.h>
ede9aff7	37	#include <stdlib.h>
ef0750c2	38	#include <Riostream.h>
ef0750c2	39	#include <Riostream.h>
c848a65b	40	#include "AliSTARTParameters.h"
	41	#include "AliCDBLocal.h"
	42	#include "AliCDBStorage.h"
	43	#include "AliCDBManager.h"
	44	#include "AliCDBEntry.h"
ede9aff7	45
	46	ClassImp(AliSTARTDigitizer)
	47
	48	//___________________________________________
	49	AliSTARTDigitizer::AliSTARTDigitizer() :AliDigitizer()
	50	{
	51	// Default ctor - don't use it
	52	;
	53	}
	54
	55	//___________________________________________
	56	AliSTARTDigitizer::AliSTARTDigitizer(AliRunDigitizer* manager)
7a18b6a5	57	:AliDigitizer(manager),
	58	fSTART(0),
	59	fHits(0),
	60	fdigits(0),
c848a65b	61	ftimeCFD(0),
c848a65b	62	ftimeLED(0),
7a18b6a5	63	fADC(0),
c848a65b	64	fADC0(0)
ede9aff7	65	{
ede9aff7	66	// ctor which should be used
e4da63c2	67
	68	AliDebug(1,"processed");
	69
7a18b6a5	70	fSTART = 0;
7a18b6a5	71	fHits = 0;
	72	fdigits = 0;
	73
c848a65b	74	ftimeCFD = new TArrayI(24);
db173afc	75	fADC = new TArrayI(24);
c848a65b	76	ftimeLED = new TArrayI(24);
c848a65b	77	fADC0 = new TArrayI(24);
db173afc	78
174d209f	79
ede9aff7	80	}
	81
	82	//------------------------------------------------------------------------
	83	AliSTARTDigitizer::~AliSTARTDigitizer()
	84	{
	85	// Destructor
e4da63c2	86
7a18b6a5	87	AliDebug(1,"START");
7a18b6a5	88
c848a65b	89	delete ftimeCFD;
e4da63c2	90	delete fADC;
c848a65b	91	delete ftimeLED;
c848a65b	92	delete fADC0;
ede9aff7	93	}
	94
	95	//------------------------------------------------------------------------
	96	Bool_t AliSTARTDigitizer::Init()
	97	{
	98	// Initialization
e4da63c2	99	AliDebug(1," Init");
ede9aff7	100	return kTRUE;
	101	}
	102
	103
	104	//---------------------------------------------------------------------
	105
dc63cec5	106	void AliSTARTDigitizer::Exec(Option_t* /option/)
ede9aff7	107	{
ede9aff7	108
affef71b	109	/*
	110	Produde digits from hits
	111	digits is TObject and includes
	112	We are writing array if left & right TDC
	113	left & right ADC (will need for slow simulation)
	114	TOF first particle left & right
	115	mean time and time difference (vertex position)
	116
	117	*/
88cb7938	118
db173afc	119	//output loader
	120	AliRunLoader *outRL = AliRunLoader::GetRunLoader(fManager->GetOutputFolderName());
	121	AliLoader * pOutStartLoader = outRL->GetLoader("STARTLoader");
88cb7938	122
e4da63c2	123	AliDebug(1,"start...");
db173afc	124	//input loader
ede9aff7	125	//
	126	// From hits to digits
	127	//
c848a65b	128	Int_t hit, nhits;
	129	Int_t countE[24];
	130	Int_t volume, pmt, trCFD, trLED;
	131	Float_t sl, qt;
	132	Int_t bestRightTDC, bestLeftTDC;
	133	Float_t time[24], besttime[24], timeGaus[24] ;
	134	// Float_t channelWidth=25.; //ps
db173afc	135	//Q->T-> coefficients !!!! should be asked!!!
c848a65b	136	Float_t gain[24],timeDelayCFD[24], timeDelayLED[24];
db173afc	137	Int_t threshold =50; //photoelectrons
c848a65b	138	Int_t qtThreshold=13, qtCh;
	139	Float_t zdetA, zdetC;
	140	TObjArray slewingLED;
	141	AliSTARTParameters* param = AliSTARTParameters::Instance();
	142	Int_t ph2Mip = param->GetPh2Mip();
	143	Int_t channelWidth = param->GetChannelWidth() ;
	144
	145	param->Init();
	146	for (Int_t i=0; i<24; i++){
	147	timeDelayCFD[i] = param->GetTimeDelayCFD(i);
	148	timeDelayLED[i] = param->GetTimeDelayLED(i);
	149	gain[i] = param->GetGain(i);
	150	TGraph* gr = param ->GetSlew(i);
	151	slewingLED.AddAtAndExpand(gr,i);
	152	TGraph* grEff = param ->GetPMTeff(i);
	153	fEffPMT.AddAtAndExpand(grEff,i);
	154	}
	155	zdetC = param->GetZposition(0);
	156	zdetA = param->GetZposition(1);
e73d68f2	157
ede9aff7	158	AliSTARThit *startHit;
ede9aff7	159	TBranch *brHits=0;
c848a65b	160
ede9aff7	161	Int_t nFiles=fManager->GetNinputs();
ede9aff7	162	for (Int_t inputFile=0; inputFile<nFiles; inputFile++) {
6fc133d2	163	if (inputFile < nFiles-1) {
c848a65b	164	AliWarning(Form("ignoring input stream %d", inputFile));
	165	continue;
	166
6fc133d2	167	}
db173afc	168
	169	Float_t besttimeright=99999.;
	170	Float_t besttimeleft=99999.;
c848a65b	171	Int_t pmtBestRight=9999;
	172	Int_t pmtBestLeft=9999;
	173	Int_t timeDiff=99999, meanTime=0;
	174	Int_t sumMult =0;
	175	ftimeCFD -> Reset();
	176	fADC -> Reset();
	177	fADC0 -> Reset();
	178	ftimeLED ->Reset();
	179	cout<<" before reading event "<<endl;
db173afc	180	for (Int_t i0=0; i0<24; i0++)
e73d68f2	181	{
40d2047f	182	time[i0]=besttime[i0]=timeGaus[i0]=99999; countE[i0]=0;
e73d68f2	183	}
db173afc	184	AliRunLoader * inRL = AliRunLoader::GetRunLoader(fManager->GetInputFolderName(inputFile));
db173afc	185	AliLoader * pInStartLoader = inRL->GetLoader("STARTLoader");
6fc133d2	186	if (!inRL->GetAliRun()) inRL->LoadgAlice();
985b3149	187	AliSTART fSTART = (AliSTART)inRL ->GetAliRun()->GetDetector("START");
db173afc	188
db173afc	189	//read Hits
affef71b	190	pInStartLoader->LoadHits("READ");//probably it is necessary to load them before
affef71b	191	TClonesArray *fHits = fSTART->Hits ();
affef71b	192	TTree *th = pInStartLoader->TreeH();
ede9aff7	193	brHits = th->GetBranch("START");
ede9aff7	194	if (brHits) {
e4da63c2	195	fSTART->SetHitsAddressBranch(brHits);
ede9aff7	196	}else{
db173afc	197	AliError("Branch START hit not found");
00907af4	198	exit(111);
ede9aff7	199	}
ede9aff7	200	Int_t ntracks = (Int_t) th->GetEntries();
db173afc	201
e4da63c2	202	if (ntracks<=0) return;
ede9aff7	203	// Start loop on tracks in the hits containers
	204	for (Int_t track=0; track<ntracks;track++) {
	205	brHits->GetEntry(track);
7a68e0ef	206	nhits = fHits->GetEntriesFast();
db173afc	207	for (hit=0;hit<nhits;hit++)
e4da63c2	208	{
	209	startHit = (AliSTARThit*) fHits->UncheckedAt(hit);
	210	if (!startHit) {
	211	AliError("The unchecked hit doesn't exist");
	212	break;
	213	}
	214	pmt=startHit->Pmt();
	215	Int_t numpmt=pmt-1;
db173afc	216	Double_t e=startHit->Etot();
e4da63c2	217	volume = startHit->Volume();
e4da63c2	218
c848a65b	219	if(e>0 && RegisterPhotoE(numpmt,e)) {
db173afc	220	countE[numpmt]++;
	221	besttime[numpmt] = startHit->Time();
	222	if(besttime[numpmt]<time[numpmt])
	223	{
	224	time[numpmt]=besttime[numpmt];
	225	}
c848a65b	226	} //photoelectron accept
e4da63c2	227	} //hits loop
ede9aff7	228	} //track loop
c848a65b	229	cout<<" hits was read "<<endl;
e4da63c2	230
db173afc	231	//spread time right&left by 25ps && besttime
c848a65b	232	Float_t c = 0.0299792; // cm/ps
	233
	234	Float_t koef=(zdetA-zdetC)/c; //correction position difference by cable
db173afc	235	for (Int_t ipmt=0; ipmt<12; ipmt++){
db173afc	236	if(countE[ipmt] > threshold) {
c848a65b	237	timeGaus[ipmt]=gRandom->Gaus(time[ipmt],25)+koef;
	238	if(timeGaus[ipmt]<besttimeleft){
	239	besttimeleft=timeGaus[ipmt]; //timeleft
	240	pmtBestLeft=ipmt;}
e4da63c2	241	}
db173afc	242	}
c848a65b	243	cout<<"left "<<besttimeleft<<" "<<pmtBestLeft<<" koef "<<koef<<endl;
db173afc	244	for ( Int_t ipmt=12; ipmt<24; ipmt++){
	245	if(countE[ipmt] > threshold) {
	246	timeGaus[ipmt]=gRandom->Gaus(time[ipmt],25);
c848a65b	247	if(timeGaus[ipmt]<besttimeright) {
	248	besttimeright=timeGaus[ipmt]; //timeright
	249	pmtBestRight=ipmt;}
db173afc	250	}
db173afc	251	}
c848a65b	252	cout<<"right"<<besttimeright<<" "<<pmtBestRight<<endl;
	253
	254	//folding with alignmentz position distribution
	255
	256	// Float_t koef=(zdetA-zdetC)/c;
	257	// Float_t besttimeleftR= besttimeleft;
	258	// besttimeleft=koef+besttimeleft;
	259	cout<<" besttimeleft "<< besttimeleft<<" delay "<< timeDelayCFD[pmtBestLeft]<<" channelWidth "<<channelWidth<<endl;
	260	bestLeftTDC=Int_t ((besttimeleft+1000*timeDelayCFD[pmtBestLeft])
	261	/channelWidth);
	262	cout<<" bestLeftTDC "<<bestLeftTDC<<" delay "<<timeDelayCFD[pmtBestLeft]<<endl;
	263	bestRightTDC=Int_t ((besttimeright+1000*timeDelayCFD[pmtBestLeft])
	264	/channelWidth);
	265	timeDiff=Int_t (((besttimeleft+1000*timeDelayCFD[pmtBestLeft])-
	266	(besttimeright+1000*timeDelayCFD[pmtBestLeft])
	267	)/channelWidth);
	268	meanTime=Int_t (((besttimeright+1000*timeDelayCFD[pmtBestLeft]+
	269	besttimeleft+1000*timeDelayCFD[pmtBestLeft])/2.)
	270	/channelWidth);
	271	cout<<"bestLeftTDC"<<bestLeftTDC<<" bestRightTDC "<< bestRightTDC<<
	272	" timeDiff "<<timeDiff<<" meanTime= "<<meanTime<<endl;
db173afc	273	AliDebug(2,Form(" time in ns %f ", besttimeleft));
db173afc	274	for (Int_t i=0; i<24; i++)
e73d68f2	275	{
c848a65b	276	Float_t al = countE[i];
c848a65b	277	if (al>threshold && timeGaus[i]<50000 ) {
e4da63c2	278	//fill ADC
db173afc	279	// QTC procedure:
	280	// phe -> mV 0.3; 1MIP ->500phe -> ln (amp (mV)) = 5;
	281	// max 200ns, HIJING mean 50000phe -> 15000mv -> ln = 15 (s zapasom)
	282	// channel 25ps
c848a65b	283	qt= 50.algain[i]/ph2Mip; // 50mv/Mip amp in mV
	284	// fill TDC
	285	trCFD = Int_t (timeGaus[i] + 1000.*timeDelayCFD[i])/channelWidth;
	286	trLED= Int_t (timeGaus[i] + 1000.*timeDelayLED[i]);
	287	sl = ((TGraph*)slewingLED.At(i))->Eval(qt);
	288	trLED = Int_t(( trLED + 1000*sl )/channelWidth);
	289	qtCh=Int_t (1000.*TMath::Log(qt)) / channelWidth;
	290	fADC0->AddAt(0,i);
	291	fADC->AddAt(qtCh,i);
	292	ftimeCFD->AddAt(Int_t (trCFD),i);
	293	ftimeLED->AddAt(trLED,i);
	294	sumMult += Int_t ((algain[i]/ph2Mip)50) ;
	295	cout<<al<<" "<<qt<<" trCFD "<<trCFD<<" sl "<<sl<<" trLED "<<trLED<<
	296	" qtThreshold "<<qtThreshold<<" qtCh "<< qtCh<<endl;
db173afc	297	}
e4da63c2	298	} //pmt loop
db173afc	299
c848a65b	300	if (sumMult > threshold){
	301	fSumMult = Int_t (TMath::Log(sumMult));
	302	}
db173afc	303	fSTART->AddDigit(bestRightTDC,bestLeftTDC,meanTime,timeDiff,fSumMult,
c848a65b	304	ftimeCFD,fADC,ftimeLED,fADC0);
db173afc	305	pOutStartLoader->UnloadHits();
6fc133d2	306	} //input streams loop
db173afc	307
	308	//load digits
	309	pOutStartLoader->LoadDigits("UPDATE");
	310	TTree *treeD = pOutStartLoader->TreeD();
	311	if (treeD == 0x0) {
	312	pOutStartLoader->MakeTree("D");
	313	treeD = pOutStartLoader->TreeD();
	314	}
c848a65b	315	treeD->Reset();
	316	fSTART = (AliSTART*)outRL ->GetAliRun()->GetDetector("START");
	317	// Make a branch in the tree
db173afc	318	fSTART->MakeBranch("D");
c848a65b	319	// treeD->Print();
db173afc	320	treeD->Fill();
c848a65b	321	cout<<" treeD->Fill(); "<<endl;
db173afc	322
c848a65b	323	pOutStartLoader->WriteDigits("OVERWRITE");
	324
	325	cout<<" pOutStartLoader->WriteDigits "<<endl;
	326	fSTART->ResetDigits();
	327	pOutStartLoader->UnloadDigits();
	328
ede9aff7	329	}
	330
	331
e73d68f2	332	//------------------------------------------------------------------------
c848a65b	333	Bool_t AliSTARTDigitizer::RegisterPhotoE(Int_t ipmt,Double_t energy)
e73d68f2	334	{
e4da63c2	335
	336
	337	// Float_t hc=197.3269601.e6; //mevnm
2303c85c	338	Double_t hc=1.9731.e-6; //gevnm
2303c85c	339	Float_t lambda=hc/energy;
c848a65b	340	Float_t eff = ((TGraph*) fEffPMT.At(ipmt))->Eval(lambda);
e4da63c2	341	Double_t p = gRandom->Rndm();
c848a65b	342
e4da63c2	343	if (p > eff)
	344	return kFALSE;
	345
	346	return kTRUE;
e73d68f2	347	}
c848a65b	348
7a68e0ef	349	//----------------------------------------------------------------------------