[u/mrichter/AliRoot.git] / T0 / AliT0Digitizer.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.                  *
 **************************************************************************/

/* $Id$ */

/******************************************************************
 *    Produde digits from hits
 *       digits is TObject and includes
 *	We are writing array if C & A  TDC
 *	C & A  ADC (will need for slow simulation)
 *	TOF first particle C & A
 *	mean time and time difference (vertex position)
 *
 *      Alla.Maevskaya@cern.ch 
 ****************************************************************/


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

#include "AliLog.h"
#include "AliT0Digitizer.h"
#include "AliT0.h"
#include "AliT0hit.h"
#include "AliT0digit.h"
#include "AliDigitizationInput.h"
#include "AliRun.h"
#include <AliLoader.h>
#include <AliRunLoader.h>
#include <stdlib.h>
#include "AliT0Parameters.h"

ClassImp(AliT0Digitizer)

//___________________________________________
  AliT0Digitizer::AliT0Digitizer()  :AliDigitizer(),
				     fT0(0),
				     fHits(0),
				     fdigits(0),
				     ftimeCFD(new TArrayI(24)), 
				     ftimeLED (new TArrayI(24)), 
				     fADC(new TArrayI(24)), 
				     fADC0 (new TArrayI(24)),
				     fSumMult(0),
				     fAmpLED(0),
                                     fAmpQTC(0),
				     fParam(0)
{
// Default ctor - don't use it
  ;
}

//___________________________________________
AliT0Digitizer::AliT0Digitizer(AliDigitizationInput* digInput) 
  :AliDigitizer(digInput),
   fT0(0),
   fHits(0),
   fdigits(0),
   ftimeCFD(new TArrayI(24)), 
   ftimeLED (new TArrayI(24)), 
   fADC(new TArrayI(24)), 
   fADC0 (new TArrayI(24)),
   fSumMult(0),
   fAmpLED(0),
   fAmpQTC(0),
   fParam(0)
{
// ctor which should be used

  AliDebug(1,"processed");
  fParam = AliT0Parameters::Instance();
  fParam->Init();

  for (Int_t i=0; i<24; i++){
    TGraph* gr = fParam ->GetAmpLED(i);
     if(gr) {
      Int_t np = gr->GetN();
      Double_t *x = gr->GetX();
      Double_t *y = gr->GetY();
      
      Double_t *x1 = new Double_t[np];
      Double_t *y1 = new Double_t[np];
      for (Int_t ii=0; ii<np; ii++) {
	y1[ii]=y[np-ii-1]; 
	x1[ii]=x[np-ii-1];
      }
      TGraph *grInverse = new TGraph(np,y1,x1);
      fAmpLED.AddAtAndExpand(grInverse,i);
      if (x1) delete [] x1;
      if (y1) delete [] y1;
    }
  }
  for (Int_t i=0; i<24; i++){
    TGraph* grq = fParam ->GetQTC(i);
    if(grq){
      Int_t npq = grq->GetN();
      Double_t *xq = grq->GetX();
      Double_t *yq = grq->GetY();
      Double_t *x1q = new Double_t[npq];
      Double_t *y1q = new Double_t[npq];
      for (Int_t ii=1; ii<npq; ii++) {
	y1q[ii]=yq[ii-1]; 
	x1q[ii]=xq[ii-1];
      }
      TGraph *grInverseQTC = new TGraph(npq,y1q,x1q);
      fAmpQTC.AddAtAndExpand(grInverseQTC,i);
      if (x1q)  delete [] x1q;
      if (y1q)  delete [] y1q;

    }
  }
}


//------------------------------------------------------------------------
AliT0Digitizer::~AliT0Digitizer()
{
// Destructor

  AliDebug(1,"T0");

  delete ftimeCFD;
  delete fADC;
  delete ftimeLED;
  delete  fADC0;
  //  delete fAmpLED;
}

//------------------------------------------------------------------------
Bool_t AliT0Digitizer::Init()
{
// Initialization
  AliDebug(1," Init");
 return kTRUE;
}
 
//---------------------------------------------------------------------
void AliT0Digitizer::Digitize(Option_t* /*option*/)
{

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

  //output loader 
  AliRunLoader *outRL = AliRunLoader::GetRunLoader(fDigInput->GetOutputFolderName());
  AliLoader * pOutStartLoader = outRL->GetLoader("T0Loader");

  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=0, qt=0;
  Int_t  bestATDC=0;
  Int_t  bestCTDC=0;
  Float_t qtCh=0;
  Float_t time[24], besttime[24], timeGaus[24] ;
  //Q->T-> coefficients !!!! should be asked!!!
  Float_t timeDelayCFD[24];
  Int_t threshold =50; //photoelectrons
  Float_t zdetA, zdetC;
  Int_t sumMultCoeff = 100;
  Int_t refpoint=0;
   
  Int_t ph2Mip = fParam->GetPh2Mip();     
  Float_t channelWidth = fParam->GetChannelWidth() ;  
  Float_t delayVertex = fParam->GetTimeDelayTVD();
   

  zdetC = TMath::Abs(fParam->GetZPosition("T0/C/PMT1"));
  zdetA  = TMath::Abs(fParam->GetZPosition("T0/A/PMT15"));
  
  //  printf(" !!!!!Z det A = %f C = % f",zdetA,zdetC);
  AliT0hit  *startHit;
  TBranch *brHits=0;
  
  Int_t nFiles=fDigInput->GetNinputs();
  for (Int_t inputFile=0; inputFile<nFiles;  inputFile++) {
    if (inputFile < nFiles-1) {
      AliWarning(Form("ignoring input stream %d", inputFile));
      continue;
      
    }
    Float_t slew = 0;
    Float_t besttimeC=99999.;
    Float_t besttimeA=99999.;
    Int_t pmtBestC=99999;
    Int_t pmtBestA=99999;
    Int_t timeDiff=99999, meanTime=99999;
    Int_t sumMult =0;   fSumMult=0;
    bestATDC = 99999;  bestCTDC = 99999;
 

    ftimeCFD -> Reset();
    fADC -> Reset();
    fADC0 -> Reset();
    ftimeLED ->Reset();
    for (Int_t i0=0; i0<24; i0++)
      {
	time[i0]=besttime[i0]=timeGaus[i0]=999999; countE[i0]=0;
      }
    AliRunLoader * inRL = AliRunLoader::GetRunLoader(fDigInput->GetInputFolderName(inputFile));
    AliLoader * pInStartLoader = inRL->GetLoader("T0Loader");
    if (!inRL->GetAliRun()) inRL->LoadgAlice();
    fT0  = (AliT0*)inRL ->GetAliRun()->GetDetector("T0");

       //read Hits 
    pInStartLoader->LoadHits("READ");//probably it is necessary to load them before
    fHits = fT0->Hits ();
    TTree *th = pInStartLoader->TreeH();
    brHits = th->GetBranch("T0");
    if (brHits) {
      fT0->SetHitsAddressBranch(brHits);
    }else{
      AliWarning("Branch T0 hit not found for this event");
      // fT0->AddDigit(bestATDC,bestCTDC,meanTime,timeDiff,fSumMult, refpoint,
      //	       ftimeCFD,fADC0,ftimeLED,fADC);
      continue;      
    } 
    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   = (AliT0hit*) 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 ) {
	    countE[numpmt]++;
	    besttime[numpmt] = startHit->Time();
	    if(besttime[numpmt]<time[numpmt])
	      {
		time[numpmt]=besttime[numpmt];
	      }
	  } //photoelectron accept 
	} //hits loop
    } //track loop
    
    //spread time A&C 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]<besttimeC){
	  besttimeC=timeGaus[ipmt]; //timeC
	  pmtBestC=ipmt;}
      }
    }
    for ( Int_t ipmt=12; ipmt<24; ipmt++){
      if(countE[ipmt] > threshold) {
	timeGaus[ipmt]=gRandom->Gaus(time[ipmt],25); 
	if(timeGaus[ipmt]<besttimeA) {
	  besttimeA=timeGaus[ipmt]; //timeA
	  pmtBestA=ipmt;}
      }	
    }

    timeDelayCFD[0] = fParam->GetTimeDelayCFD(0);
 
    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= al/ph2Mip;  // 50mv/Mip amp in mV 
	  // before will we have calibration for high multiplicity 
	  //	  if (qt > 115.) qt =115.; //must be fix!!!
	  //  fill TDC
	  timeDelayCFD[i] = fParam->GetTimeDelayCFD(i);
 	  trCFD = Int_t (timeGaus[i]/channelWidth + timeDelayCFD[i]); 

	  TGraph* gr = ((TGraph*)fAmpLED.At(i));
	  if(gr) sl = gr->Eval(qt);

	  TGraph* gr1 = ((TGraph*)fAmpQTC.At(i));
	  if(gr1)  qtCh = gr1->Eval(qt);
	  fADC0->AddAt(0,i);
	  if(qtCh)
	    fADC->AddAt(Int_t(qtCh),i);
	  //	  sumMult += Int_t ((al*gain[i]/ph2Mip)*50) ;
	  sumMult += Int_t (qtCh/sumMultCoeff)  ;
	 
	  // put slewing 
	  TGraph *fu=(TGraph*) fParam ->GetWalk(i);
	  if(fu)  slew=fu->Eval(Float_t(qtCh));
	  
	  //	  trCFD=trCFD-Int_t(fMaxValue[i]-slew);
	  trCFD = trCFD + Int_t(slew); //for the same channel as cosmic
	  ftimeCFD->AddAt(Int_t (trCFD),i);
	  trLED = Int_t(trCFD  + sl );
	  ftimeLED->AddAt(trLED,i); 
	  AliDebug(1,Form("  pmt %i : delay %f time in ns %f time in channels %i  LEd %i  ",  i, timeDelayCFD[i], timeGaus[i],trCFD, trLED ));
	  AliDebug(1,Form(" qt in MIP %f led-cfd in  %f qt in channels %f   ",qt, sl, qtCh));

	}
      } //pmt loop

    //folding with alignmentz position distribution  
    if( besttimeC > 10000. && besttimeC <15000)
      bestCTDC=Int_t ((besttimeC+timeDelayCFD[pmtBestC])
			 /channelWidth);
 
    if( besttimeA > 10000. && besttimeA <15000)
      bestATDC=Int_t ((besttimeA+timeDelayCFD[pmtBestA])
			/channelWidth);

    if (bestATDC < 99999 && bestCTDC < 99999)
      {
	timeDiff=Int_t (((besttimeC-besttimeA)+1000*delayVertex)
			/channelWidth);
	meanTime=Int_t (((besttimeC+besttimeA)/2. )/channelWidth);
      }

    if (sumMult > threshold){
      fSumMult =  Int_t (1000.* TMath::Log(Double_t(sumMult) / Double_t(sumMultCoeff))
			 /channelWidth);
      AliDebug(10,Form("summult mv %i   mult  in chammens %i in ps %f ", 
		      sumMult, fSumMult, fSumMult*channelWidth));
    }

    fT0->AddDigit(bestATDC,bestCTDC,meanTime,timeDiff,fSumMult, refpoint,
		       ftimeCFD,fADC0,ftimeLED,fADC);
     
    
      AliDebug(10,Form(" Digits wrote refpoint %i bestATDC %i bestCTDC %i  meanTime %i  timeDiff %i fSumMult %i ",refpoint ,bestATDC,bestCTDC,meanTime,timeDiff,fSumMult ));
    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();
    fT0  = (AliT0*)outRL ->GetAliRun()->GetDetector("T0");
    // Make a branch in the tree 
    fT0->MakeBranch("D");
     treeD->Fill();
  
     pOutStartLoader->WriteDigits("OVERWRITE");
     
     fT0->ResetDigits();
     pOutStartLoader->UnloadDigits();
     
}
Commit	Line	Data
	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	/* $Id$ */
	18
	19	/******************************************************************
	20	* Produde digits from hits
	21	* digits is TObject and includes
	22	* We are writing array if C & A TDC
	23	* C & A ADC (will need for slow simulation)
	24	* TOF first particle C & A
	25	* mean time and time difference (vertex position)
	26	*
	27	* Alla.Maevskaya@cern.ch
	28	****************************************************************/
	29
	30
	31	#include <TArrayI.h>
	32	#include <TFile.h>
	33	#include <TGraph.h>
	34	#include <TH1F.h>
	35	#include <TMath.h>
	36	#include <TRandom.h>
	37	#include <TTree.h>
	38
	39	#include "AliLog.h"
	40	#include "AliT0Digitizer.h"
	41	#include "AliT0.h"
	42	#include "AliT0hit.h"
	43	#include "AliT0digit.h"
	44	#include "AliDigitizationInput.h"
	45	#include "AliRun.h"
	46	#include <AliLoader.h>
	47	#include <AliRunLoader.h>
	48	#include <stdlib.h>
	49	#include "AliT0Parameters.h"
	50
	51	ClassImp(AliT0Digitizer)
	52
	53	//___________________________________________
	54	AliT0Digitizer::AliT0Digitizer() :AliDigitizer(),
	55	fT0(0),
	56	fHits(0),
	57	fdigits(0),
	58	ftimeCFD(new TArrayI(24)),
	59	ftimeLED (new TArrayI(24)),
	60	fADC(new TArrayI(24)),
	61	fADC0 (new TArrayI(24)),
	62	fSumMult(0),
	63	fAmpLED(0),
	64	fAmpQTC(0),
	65	fParam(0)
	66	{
	67	// Default ctor - don't use it
	68	;
	69	}
	70
	71	//___________________________________________
	72	AliT0Digitizer::AliT0Digitizer(AliDigitizationInput* digInput)
	73	:AliDigitizer(digInput),
	74	fT0(0),
	75	fHits(0),
	76	fdigits(0),
	77	ftimeCFD(new TArrayI(24)),
	78	ftimeLED (new TArrayI(24)),
	79	fADC(new TArrayI(24)),
	80	fADC0 (new TArrayI(24)),
	81	fSumMult(0),
	82	fAmpLED(0),
	83	fAmpQTC(0),
	84	fParam(0)
	85	{
	86	// ctor which should be used
	87
	88	AliDebug(1,"processed");
	89	fParam = AliT0Parameters::Instance();
	90	fParam->Init();
	91
	92	for (Int_t i=0; i<24; i++){
	93	TGraph* gr = fParam ->GetAmpLED(i);
	94	if(gr) {
	95	Int_t np = gr->GetN();
	96	Double_t *x = gr->GetX();
	97	Double_t *y = gr->GetY();
	98
	99	Double_t *x1 = new Double_t[np];
	100	Double_t *y1 = new Double_t[np];
	101	for (Int_t ii=0; ii<np; ii++) {
	102	y1[ii]=y[np-ii-1];
	103	x1[ii]=x[np-ii-1];
	104	}
	105	TGraph *grInverse = new TGraph(np,y1,x1);
	106	fAmpLED.AddAtAndExpand(grInverse,i);
	107	if (x1) delete [] x1;
	108	if (y1) delete [] y1;
	109	}
	110	}
	111	for (Int_t i=0; i<24; i++){
	112	TGraph* grq = fParam ->GetQTC(i);
	113	if(grq){
	114	Int_t npq = grq->GetN();
	115	Double_t *xq = grq->GetX();
	116	Double_t *yq = grq->GetY();
	117	Double_t *x1q = new Double_t[npq];
	118	Double_t *y1q = new Double_t[npq];
	119	for (Int_t ii=1; ii<npq; ii++) {
	120	y1q[ii]=yq[ii-1];
	121	x1q[ii]=xq[ii-1];
	122	}
	123	TGraph *grInverseQTC = new TGraph(npq,y1q,x1q);
	124	fAmpQTC.AddAtAndExpand(grInverseQTC,i);
	125	if (x1q) delete [] x1q;
	126	if (y1q) delete [] y1q;
	127
	128	}
	129	}
	130	}
	131
	132
	133	//------------------------------------------------------------------------
	134	AliT0Digitizer::~AliT0Digitizer()
	135	{
	136	// Destructor
	137
	138	AliDebug(1,"T0");
	139
	140	delete ftimeCFD;
	141	delete fADC;
	142	delete ftimeLED;
	143	delete fADC0;
	144	// delete fAmpLED;
	145	}
	146
	147	//------------------------------------------------------------------------
	148	Bool_t AliT0Digitizer::Init()
	149	{
	150	// Initialization
	151	AliDebug(1," Init");
	152	return kTRUE;
	153	}
	154
	155	//---------------------------------------------------------------------
	156	void AliT0Digitizer::Digitize(Option_t* /option/)
	157	{
	158
	159	/*
	160	Produde digits from hits
	161	digits is TObject and includes
	162	We are writing array if C & A TDC
	163	C & A ADC (will need for slow simulation)
	164	TOF first particle C & A
	165	mean time and time difference (vertex position)
	166
	167	*/
	168
	169	//output loader
	170	AliRunLoader *outRL = AliRunLoader::GetRunLoader(fDigInput->GetOutputFolderName());
	171	AliLoader * pOutStartLoader = outRL->GetLoader("T0Loader");
	172
	173	AliDebug(1,"start...");
	174	//input loader
	175	//
	176	// From hits to digits
	177	//
	178	Int_t hit, nhits;
	179	Int_t countE[24];
	180	Int_t volume, pmt, trCFD, trLED;
	181	Float_t sl=0, qt=0;
	182	Int_t bestATDC=0;
	183	Int_t bestCTDC=0;
	184	Float_t qtCh=0;
	185	Float_t time[24], besttime[24], timeGaus[24] ;
	186	//Q->T-> coefficients !!!! should be asked!!!
	187	Float_t timeDelayCFD[24];
	188	Int_t threshold =50; //photoelectrons
	189	Float_t zdetA, zdetC;
	190	Int_t sumMultCoeff = 100;
	191	Int_t refpoint=0;
	192
	193	Int_t ph2Mip = fParam->GetPh2Mip();
	194	Float_t channelWidth = fParam->GetChannelWidth() ;
	195	Float_t delayVertex = fParam->GetTimeDelayTVD();
	196
	197
	198	zdetC = TMath::Abs(fParam->GetZPosition("T0/C/PMT1"));
	199	zdetA = TMath::Abs(fParam->GetZPosition("T0/A/PMT15"));
	200
	201	// printf(" !!!!!Z det A = %f C = % f",zdetA,zdetC);
	202	AliT0hit *startHit;
	203	TBranch *brHits=0;
	204
	205	Int_t nFiles=fDigInput->GetNinputs();
	206	for (Int_t inputFile=0; inputFile<nFiles; inputFile++) {
	207	if (inputFile < nFiles-1) {
	208	AliWarning(Form("ignoring input stream %d", inputFile));
	209	continue;
	210
	211	}
	212	Float_t slew = 0;
	213	Float_t besttimeC=99999.;
	214	Float_t besttimeA=99999.;
	215	Int_t pmtBestC=99999;
	216	Int_t pmtBestA=99999;
	217	Int_t timeDiff=99999, meanTime=99999;
	218	Int_t sumMult =0; fSumMult=0;
	219	bestATDC = 99999; bestCTDC = 99999;
	220
	221
	222	ftimeCFD -> Reset();
	223	fADC -> Reset();
	224	fADC0 -> Reset();
	225	ftimeLED ->Reset();
	226	for (Int_t i0=0; i0<24; i0++)
	227	{
	228	time[i0]=besttime[i0]=timeGaus[i0]=999999; countE[i0]=0;
	229	}
	230	AliRunLoader * inRL = AliRunLoader::GetRunLoader(fDigInput->GetInputFolderName(inputFile));
	231	AliLoader * pInStartLoader = inRL->GetLoader("T0Loader");
	232	if (!inRL->GetAliRun()) inRL->LoadgAlice();
	233	fT0 = (AliT0*)inRL ->GetAliRun()->GetDetector("T0");
	234
	235	//read Hits
	236	pInStartLoader->LoadHits("READ");//probably it is necessary to load them before
	237	fHits = fT0->Hits ();
	238	TTree *th = pInStartLoader->TreeH();
	239	brHits = th->GetBranch("T0");
	240	if (brHits) {
	241	fT0->SetHitsAddressBranch(brHits);
	242	}else{
	243	AliWarning("Branch T0 hit not found for this event");
	244	// fT0->AddDigit(bestATDC,bestCTDC,meanTime,timeDiff,fSumMult, refpoint,
	245	// ftimeCFD,fADC0,ftimeLED,fADC);
	246	continue;
	247	}
	248	Int_t ntracks = (Int_t) th->GetEntries();
	249
	250	if (ntracks<=0) return;
	251	// Start loop on tracks in the hits containers
	252	for (Int_t track=0; track<ntracks;track++) {
	253	brHits->GetEntry(track);
	254	nhits = fHits->GetEntriesFast();
	255	for (hit=0;hit<nhits;hit++)
	256	{
	257	startHit = (AliT0hit*) fHits->UncheckedAt(hit);
	258	if (!startHit) {
	259	AliError("The unchecked hit doesn't exist");
	260	break;
	261	}
	262	pmt=startHit->Pmt();
	263	Int_t numpmt=pmt-1;
	264	Double_t e=startHit->Etot();
	265	volume = startHit->Volume();
	266
	267	if(e>0 ) {
	268	countE[numpmt]++;
	269	besttime[numpmt] = startHit->Time();
	270	if(besttime[numpmt]<time[numpmt])
	271	{
	272	time[numpmt]=besttime[numpmt];
	273	}
	274	} //photoelectron accept
	275	} //hits loop
	276	} //track loop
	277
	278	//spread time A&C by 25ps && besttime
	279	Float_t c = 0.0299792; // cm/ps
	280
	281	Float_t koef=(zdetA-zdetC)/c; //correction position difference by cable
	282	for (Int_t ipmt=0; ipmt<12; ipmt++){
	283	if(countE[ipmt] > threshold) {
	284	timeGaus[ipmt]=gRandom->Gaus(time[ipmt],25)+koef;
	285	if(timeGaus[ipmt]<besttimeC){
	286	besttimeC=timeGaus[ipmt]; //timeC
	287	pmtBestC=ipmt;}
	288	}
	289	}
	290	for ( Int_t ipmt=12; ipmt<24; ipmt++){
	291	if(countE[ipmt] > threshold) {
	292	timeGaus[ipmt]=gRandom->Gaus(time[ipmt],25);
	293	if(timeGaus[ipmt]<besttimeA) {
	294	besttimeA=timeGaus[ipmt]; //timeA
	295	pmtBestA=ipmt;}
	296	}
	297	}
	298
	299	timeDelayCFD[0] = fParam->GetTimeDelayCFD(0);
	300
	301	for (Int_t i=0; i<24; i++)
	302	{
	303	Float_t al = countE[i];
	304	if (al>threshold && timeGaus[i]<50000 ) {
	305	//fill ADC
	306	// QTC procedure:
	307	// phe -> mV 0.3; 1MIP ->500phe -> ln (amp (mV)) = 5;
	308	// max 200ns, HIJING mean 50000phe -> 15000mv -> ln = 15 (s zapasom)
	309	// channel 25ps
	310	qt= al/ph2Mip; // 50mv/Mip amp in mV
	311	// before will we have calibration for high multiplicity
	312	// if (qt > 115.) qt =115.; //must be fix!!!
	313	// fill TDC
	314	timeDelayCFD[i] = fParam->GetTimeDelayCFD(i);
	315	trCFD = Int_t (timeGaus[i]/channelWidth + timeDelayCFD[i]);
	316
	317	TGraph* gr = ((TGraph*)fAmpLED.At(i));
	318	if(gr) sl = gr->Eval(qt);
	319
	320	TGraph* gr1 = ((TGraph*)fAmpQTC.At(i));
	321	if(gr1) qtCh = gr1->Eval(qt);
	322	fADC0->AddAt(0,i);
	323	if(qtCh)
	324	fADC->AddAt(Int_t(qtCh),i);
	325	// sumMult += Int_t ((algain[i]/ph2Mip)50) ;
	326	sumMult += Int_t (qtCh/sumMultCoeff) ;
	327
	328	// put slewing
	329	TGraph fu=(TGraph) fParam ->GetWalk(i);
	330	if(fu) slew=fu->Eval(Float_t(qtCh));
	331
	332	// trCFD=trCFD-Int_t(fMaxValue[i]-slew);
	333	trCFD = trCFD + Int_t(slew); //for the same channel as cosmic
	334	ftimeCFD->AddAt(Int_t (trCFD),i);
	335	trLED = Int_t(trCFD + sl );
	336	ftimeLED->AddAt(trLED,i);
	337	AliDebug(1,Form(" pmt %i : delay %f time in ns %f time in channels %i LEd %i ", i, timeDelayCFD[i], timeGaus[i],trCFD, trLED ));
	338	AliDebug(1,Form(" qt in MIP %f led-cfd in %f qt in channels %f ",qt, sl, qtCh));
	339
	340	}
	341	} //pmt loop
	342
	343	//folding with alignmentz position distribution
	344	if( besttimeC > 10000. && besttimeC <15000)
	345	bestCTDC=Int_t ((besttimeC+timeDelayCFD[pmtBestC])
	346	/channelWidth);
	347
	348	if( besttimeA > 10000. && besttimeA <15000)
	349	bestATDC=Int_t ((besttimeA+timeDelayCFD[pmtBestA])
	350	/channelWidth);
	351
	352	if (bestATDC < 99999 && bestCTDC < 99999)
	353	{
	354	timeDiff=Int_t (((besttimeC-besttimeA)+1000*delayVertex)
	355	/channelWidth);
	356	meanTime=Int_t (((besttimeC+besttimeA)/2. )/channelWidth);
	357	}
	358
	359	if (sumMult > threshold){
	360	fSumMult = Int_t (1000.* TMath::Log(Double_t(sumMult) / Double_t(sumMultCoeff))
	361	/channelWidth);
	362	AliDebug(10,Form("summult mv %i mult in chammens %i in ps %f ",
	363	sumMult, fSumMult, fSumMult*channelWidth));
	364	}
	365
	366	fT0->AddDigit(bestATDC,bestCTDC,meanTime,timeDiff,fSumMult, refpoint,
	367	ftimeCFD,fADC0,ftimeLED,fADC);
	368
	369
	370	AliDebug(10,Form(" Digits wrote refpoint %i bestATDC %i bestCTDC %i meanTime %i timeDiff %i fSumMult %i ",refpoint ,bestATDC,bestCTDC,meanTime,timeDiff,fSumMult ));
	371	pOutStartLoader->UnloadHits();
	372	} //input streams loop
	373
	374	//load digits
	375	pOutStartLoader->LoadDigits("UPDATE");
	376	TTree *treeD = pOutStartLoader->TreeD();
	377	if (treeD == 0x0) {
	378	pOutStartLoader->MakeTree("D");
	379	treeD = pOutStartLoader->TreeD();
	380	}
	381	treeD->Reset();
	382	fT0 = (AliT0*)outRL ->GetAliRun()->GetDetector("T0");
	383	// Make a branch in the tree
	384	fT0->MakeBranch("D");
	385	treeD->Fill();
	386
	387	pOutStartLoader->WriteDigits("OVERWRITE");
	388
	389	fT0->ResetDigits();
	390	pOutStartLoader->UnloadDigits();
	391
	392	}