[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 "AliRunDigitizer.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(AliRunDigitizer* manager) 
  :AliDigitizer(manager),
   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);
    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);
  }
  for (Int_t i=0; i<24; i++){
    TGraph* grq = fParam ->GetQTC(i);
    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);
  }
}

//------------------------------------------------------------------------
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::Exec(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(fManager->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, qt;
  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=fManager->GetNinputs();
  for (Int_t inputFile=0; inputFile<nFiles;  inputFile++) {
    if (inputFile < nFiles-1) {
      AliWarning(Form("ignoring input stream %d", inputFile));
      continue;
      
    }
    
    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(fManager->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));
	  sl = gr->Eval(qt);

	  TGraph* gr1 = ((TGraph*)fAmpQTC.At(i));
	  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);
	  Float_t 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(10,Form("  pmt %i : time in ns %f time in channels %i  LEd %i  ",  i, timeGaus[i],trCFD, trLED ));
	  AliDebug(10,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
dc7ca31d	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
9edefa04	17	/* $Id$ */
dc7ca31d	18
94249139	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
dc7ca31d	31	#include <TArrayI.h>
9edefa04	32	#include <TFile.h>
dc7ca31d	33	#include <TGraph.h>
9edefa04	34	#include <TH1F.h>
	35	#include <TMath.h>
	36	#include <TRandom.h>
	37	#include <TTree.h>
dc7ca31d	38
	39	#include "AliLog.h"
	40	#include "AliT0Digitizer.h"
	41	#include "AliT0.h"
	42	#include "AliT0hit.h"
	43	#include "AliT0digit.h"
	44	#include "AliRunDigitizer.h"
dc7ca31d	45	#include "AliRun.h"
	46	#include <AliLoader.h>
	47	#include <AliRunLoader.h>
	48	#include <stdlib.h>
dc7ca31d	49	#include "AliT0Parameters.h"
dc7ca31d	50
	51	ClassImp(AliT0Digitizer)
	52
	53	//___________________________________________
c41ceaac	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),
29d3e0eb	63	fAmpLED(0),
d0bcd1fb	64	fAmpQTC(0),
29d3e0eb	65	fParam(0)
dc7ca31d	66	{
	67	// Default ctor - don't use it
	68	;
	69	}
	70
	71	//___________________________________________
	72	AliT0Digitizer::AliT0Digitizer(AliRunDigitizer* manager)
	73	:AliDigitizer(manager),
	74	fT0(0),
	75	fHits(0),
	76	fdigits(0),
c41ceaac	77	ftimeCFD(new TArrayI(24)),
	78	ftimeLED (new TArrayI(24)),
	79	fADC(new TArrayI(24)),
	80	fADC0 (new TArrayI(24)),
	81	fSumMult(0),
29d3e0eb	82	fAmpLED(0),
d0bcd1fb	83	fAmpQTC(0),
29d3e0eb	84	fParam(0)
dc7ca31d	85	{
	86	// ctor which should be used
	87
	88	AliDebug(1,"processed");
29d3e0eb	89	fParam = AliT0Parameters::Instance();
29d3e0eb	90	fParam->Init();
dc7ca31d	91
29d3e0eb	92	for (Int_t i=0; i<24; i++){
d0bcd1fb	93	TGraph* gr = fParam ->GetAmpLED(i);
29d3e0eb	94	Int_t np = gr->GetN();
	95	Double_t *x = gr->GetX();
	96	Double_t *y = gr->GetY();
d0bcd1fb	97
29d3e0eb	98	Double_t *x1 = new Double_t[np];
	99	Double_t *y1 = new Double_t[np];
	100	for (Int_t ii=0; ii<np; ii++) {
d0bcd1fb	101	y1[ii]=y[np-ii-1];
d0bcd1fb	102	x1[ii]=x[np-ii-1];
29d3e0eb	103	}
	104
	105	TGraph *grInverse = new TGraph(np,y1,x1);
29d3e0eb	106	fAmpLED.AddAtAndExpand(grInverse,i);
29d3e0eb	107	}
d0bcd1fb	108	for (Int_t i=0; i<24; i++){
	109	TGraph* grq = fParam ->GetQTC(i);
	110	Int_t npq = grq->GetN();
	111	Double_t *xq = grq->GetX();
	112	Double_t *yq = grq->GetY();
	113	Double_t *x1q = new Double_t[npq];
	114	Double_t *y1q = new Double_t[npq];
	115	for (Int_t ii=1; ii<npq; ii++) {
	116	y1q[ii]=yq[ii-1];
	117	x1q[ii]=xq[ii-1];
	118	}
	119	TGraph *grInverseQTC = new TGraph(npq,y1q,x1q);
	120	fAmpQTC.AddAtAndExpand(grInverseQTC,i);
	121	}
dc7ca31d	122	}
12e9daf9	123
dc7ca31d	124	//------------------------------------------------------------------------
	125	AliT0Digitizer::~AliT0Digitizer()
	126	{
	127	// Destructor
	128
	129	AliDebug(1,"T0");
	130
	131	delete ftimeCFD;
	132	delete fADC;
	133	delete ftimeLED;
	134	delete fADC0;
29d3e0eb	135	// delete fAmpLED;
dc7ca31d	136	}
dc7ca31d	137
29d3e0eb	138	//------------------------------------------------------------------------
dc7ca31d	139	Bool_t AliT0Digitizer::Init()
	140	{
	141	// Initialization
	142	AliDebug(1," Init");
	143	return kTRUE;
	144	}
	145
dc7ca31d	146	//---------------------------------------------------------------------
dc7ca31d	147	void AliT0Digitizer::Exec(Option_t* /option/)
	148	{
	149
	150	/*
	151	Produde digits from hits
	152	digits is TObject and includes
c41ceaac	153	We are writing array if C & A TDC
	154	C & A ADC (will need for slow simulation)
	155	TOF first particle C & A
dc7ca31d	156	mean time and time difference (vertex position)
	157
	158	*/
	159
	160	//output loader
	161	AliRunLoader *outRL = AliRunLoader::GetRunLoader(fManager->GetOutputFolderName());
	162	AliLoader * pOutStartLoader = outRL->GetLoader("T0Loader");
	163
	164	AliDebug(1,"start...");
	165	//input loader
	166	//
	167	// From hits to digits
	168	//
74adb36a	169	Int_t hit, nhits;
dc7ca31d	170	Int_t countE[24];
	171	Int_t volume, pmt, trCFD, trLED;
	172	Float_t sl, qt;
af3bb1cc	173	Int_t bestATDC=0;
af3bb1cc	174	Int_t bestCTDC=0;
d0bcd1fb	175	Float_t qtCh=0;
dc7ca31d	176	Float_t time[24], besttime[24], timeGaus[24] ;
74adb36a	177	//Q->T-> coefficients !!!! should be asked!!!
74adb36a	178	Float_t timeDelayCFD[24];
dc7ca31d	179	Int_t threshold =50; //photoelectrons
dc7ca31d	180	Float_t zdetA, zdetC;
74adb36a	181	Int_t sumMultCoeff = 100;
740f0839	182	Int_t refpoint=0;
446d6ec4	183
29d3e0eb	184	Int_t ph2Mip = fParam->GetPh2Mip();
8955c6b4	185	Float_t channelWidth = fParam->GetChannelWidth() ;
29d3e0eb	186	Float_t delayVertex = fParam->GetTimeDelayTVD();
5325480c	187
d0bcd1fb	188
29d3e0eb	189	zdetC = TMath::Abs(fParam->GetZPosition("T0/C/PMT1"));
29d3e0eb	190	zdetA = TMath::Abs(fParam->GetZPosition("T0/A/PMT15"));
74adb36a	191
d0bcd1fb	192	// printf(" !!!!!Z det A = %f C = % f",zdetA,zdetC);
74adb36a	193	AliT0hit *startHit;
	194	TBranch *brHits=0;
	195
dc7ca31d	196	Int_t nFiles=fManager->GetNinputs();
	197	for (Int_t inputFile=0; inputFile<nFiles; inputFile++) {
	198	if (inputFile < nFiles-1) {
74adb36a	199	AliWarning(Form("ignoring input stream %d", inputFile));
	200	continue;
	201
dc7ca31d	202	}
dc7ca31d	203
c41ceaac	204	Float_t besttimeC=99999.;
c41ceaac	205	Float_t besttimeA=99999.;
af3bb1cc	206	Int_t pmtBestC=99999;
	207	Int_t pmtBestA=99999;
	208	Int_t timeDiff=99999, meanTime=99999;
dc7ca31d	209	Int_t sumMult =0; fSumMult=0;
c41ceaac	210	bestATDC = 99999; bestCTDC = 99999;
dc7ca31d	211
c41ceaac	212
dc7ca31d	213	ftimeCFD -> Reset();
	214	fADC -> Reset();
	215	fADC0 -> Reset();
	216	ftimeLED ->Reset();
	217	for (Int_t i0=0; i0<24; i0++)
	218	{
af3bb1cc	219	time[i0]=besttime[i0]=timeGaus[i0]=999999; countE[i0]=0;
dc7ca31d	220	}
	221	AliRunLoader * inRL = AliRunLoader::GetRunLoader(fManager->GetInputFolderName(inputFile));
	222	AliLoader * pInStartLoader = inRL->GetLoader("T0Loader");
	223	if (!inRL->GetAliRun()) inRL->LoadgAlice();
c2337900	224	fT0 = (AliT0*)inRL ->GetAliRun()->GetDetector("T0");
dc7ca31d	225
	226	//read Hits
	227	pInStartLoader->LoadHits("READ");//probably it is necessary to load them before
955401cc	228	fHits = fT0->Hits ();
dc7ca31d	229	TTree *th = pInStartLoader->TreeH();
	230	brHits = th->GetBranch("T0");
	231	if (brHits) {
	232	fT0->SetHitsAddressBranch(brHits);
	233	}else{
af3bb1cc	234	AliWarning("Branch T0 hit not found for this event");
	235	// fT0->AddDigit(bestATDC,bestCTDC,meanTime,timeDiff,fSumMult, refpoint,
	236	// ftimeCFD,fADC0,ftimeLED,fADC);
	237	continue;
dc7ca31d	238	}
	239	Int_t ntracks = (Int_t) th->GetEntries();
	240
	241	if (ntracks<=0) return;
	242	// Start loop on tracks in the hits containers
	243	for (Int_t track=0; track<ntracks;track++) {
	244	brHits->GetEntry(track);
	245	nhits = fHits->GetEntriesFast();
	246	for (hit=0;hit<nhits;hit++)
	247	{
	248	startHit = (AliT0hit*) fHits->UncheckedAt(hit);
	249	if (!startHit) {
	250	AliError("The unchecked hit doesn't exist");
	251	break;
	252	}
	253	pmt=startHit->Pmt();
	254	Int_t numpmt=pmt-1;
	255	Double_t e=startHit->Etot();
	256	volume = startHit->Volume();
	257
dc7ca31d	258	if(e>0 ) {
	259	countE[numpmt]++;
	260	besttime[numpmt] = startHit->Time();
	261	if(besttime[numpmt]<time[numpmt])
	262	{
	263	time[numpmt]=besttime[numpmt];
	264	}
	265	} //photoelectron accept
	266	} //hits loop
	267	} //track loop
	268
c41ceaac	269	//spread time A&C by 25ps && besttime
dc7ca31d	270	Float_t c = 0.0299792; // cm/ps
	271
	272	Float_t koef=(zdetA-zdetC)/c; //correction position difference by cable
	273	for (Int_t ipmt=0; ipmt<12; ipmt++){
	274	if(countE[ipmt] > threshold) {
	275	timeGaus[ipmt]=gRandom->Gaus(time[ipmt],25)+koef;
c41ceaac	276	if(timeGaus[ipmt]<besttimeC){
	277	besttimeC=timeGaus[ipmt]; //timeC
	278	pmtBestC=ipmt;}
9a5cba6d	279	}
dc7ca31d	280	}
9a5cba6d	281	for ( Int_t ipmt=12; ipmt<24; ipmt++){
dc7ca31d	282	if(countE[ipmt] > threshold) {
dc7ca31d	283	timeGaus[ipmt]=gRandom->Gaus(time[ipmt],25);
c41ceaac	284	if(timeGaus[ipmt]<besttimeA) {
	285	besttimeA=timeGaus[ipmt]; //timeA
	286	pmtBestA=ipmt;}
dc7ca31d	287	}
dc7ca31d	288	}
dc7ca31d	289
6bfb23c3	290	timeDelayCFD[0] = fParam->GetTimeDelayCFD(0);
446d6ec4	291
dc7ca31d	292	for (Int_t i=0; i<24; i++)
	293	{
	294	Float_t al = countE[i];
	295	if (al>threshold && timeGaus[i]<50000 ) {
	296	//fill ADC
	297	// QTC procedure:
	298	// phe -> mV 0.3; 1MIP ->500phe -> ln (amp (mV)) = 5;
	299	// max 200ns, HIJING mean 50000phe -> 15000mv -> ln = 15 (s zapasom)
	300	// channel 25ps
d0bcd1fb	301	qt= al/ph2Mip; // 50mv/Mip amp in mV
71cb50f8	302	// before will we have calibration for high multiplicity
205262fe	303	// if (qt > 115.) qt =115.; //must be fix!!!
dc7ca31d	304	// fill TDC
29d3e0eb	305	timeDelayCFD[i] = fParam->GetTimeDelayCFD(i);
12e9daf9	306	trCFD = Int_t (timeGaus[i]/channelWidth + timeDelayCFD[i]);
d0bcd1fb	307
29d3e0eb	308	TGraph* gr = ((TGraph*)fAmpLED.At(i));
74adb36a	309	sl = gr->Eval(qt);
29d3e0eb	310
d0bcd1fb	311	TGraph* gr1 = ((TGraph*)fAmpQTC.At(i));
d0bcd1fb	312	qtCh = gr1->Eval(qt);
dc7ca31d	313	fADC0->AddAt(0,i);
d52fab81	314	if(qtCh)
40c34546	315	fADC->AddAt(Int_t(qtCh),i);
dc7ca31d	316	// sumMult += Int_t ((algain[i]/ph2Mip)50) ;
d0bcd1fb	317	sumMult += Int_t (qtCh/sumMultCoeff) ;
dc7ca31d	318
74adb36a	319	// put slewing
71cb50f8	320	TGraph fu=(TGraph) fParam ->GetWalk(i);
74adb36a	321	Float_t slew=fu->Eval(Float_t(qtCh));
12e9daf9	322
446d6ec4	323	// trCFD=trCFD-Int_t(fMaxValue[i]-slew);
40c34546	324	trCFD = trCFD + Int_t(slew); //for the same channel as cosmic
74adb36a	325	ftimeCFD->AddAt(Int_t (trCFD),i);
d0bcd1fb	326	trLED = Int_t(trCFD + sl );
d0bcd1fb	327	ftimeLED->AddAt(trLED,i);
446d6ec4	328	AliDebug(10,Form(" pmt %i : time in ns %f time in channels %i LEd %i ", i, timeGaus[i],trCFD, trLED ));
d0bcd1fb	329	AliDebug(10,Form(" qt in MIP %f led-cfd in %f qt in channels %f ",qt, sl, qtCh));
74adb36a	330
dc7ca31d	331	}
	332	} //pmt loop
	333
9a5cba6d	334	//folding with alignmentz position distribution
	335	if( besttimeC > 10000. && besttimeC <15000)
	336	bestCTDC=Int_t ((besttimeC+timeDelayCFD[pmtBestC])
	337	/channelWidth);
	338
	339	if( besttimeA > 10000. && besttimeA <15000)
	340	bestATDC=Int_t ((besttimeA+timeDelayCFD[pmtBestA])
	341	/channelWidth);
	342
	343	if (bestATDC < 99999 && bestCTDC < 99999)
	344	{
	345	timeDiff=Int_t (((besttimeC-besttimeA)+1000*delayVertex)
	346	/channelWidth);
446d6ec4	347	meanTime=Int_t (((besttimeC+besttimeA)/2. )/channelWidth);
9a5cba6d	348	}
9a5cba6d	349
dc7ca31d	350	if (sumMult > threshold){
	351	fSumMult = Int_t (1000.* TMath::Log(Double_t(sumMult) / Double_t(sumMultCoeff))
	352	/channelWidth);
b5a9f753	353	AliDebug(10,Form("summult mv %i mult in chammens %i in ps %f ",
dc7ca31d	354	sumMult, fSumMult, fSumMult*channelWidth));
dc7ca31d	355	}
dc7ca31d	356
740f0839	357	fT0->AddDigit(bestATDC,bestCTDC,meanTime,timeDiff,fSumMult, refpoint,
c41ceaac	358	ftimeCFD,fADC0,ftimeLED,fADC);
dc7ca31d	359
740f0839	360
740f0839	361	AliDebug(10,Form(" Digits wrote refpoint %i bestATDC %i bestCTDC %i meanTime %i timeDiff %i fSumMult %i ",refpoint ,bestATDC,bestCTDC,meanTime,timeDiff,fSumMult ));
dc7ca31d	362	pOutStartLoader->UnloadHits();
	363	} //input streams loop
	364
	365	//load digits
	366	pOutStartLoader->LoadDigits("UPDATE");
	367	TTree *treeD = pOutStartLoader->TreeD();
	368	if (treeD == 0x0) {
	369	pOutStartLoader->MakeTree("D");
	370	treeD = pOutStartLoader->TreeD();
	371	}
	372	treeD->Reset();
	373	fT0 = (AliT0*)outRL ->GetAliRun()->GetDetector("T0");
	374	// Make a branch in the tree
	375	fT0->MakeBranch("D");
	376	treeD->Fill();
	377
	378	pOutStartLoader->WriteDigits("OVERWRITE");
	379
	380	fT0->ResetDigits();
	381	pOutStartLoader->UnloadDigits();
	382
	383	}