[u/mrichter/AliRoot.git] / MUON / AliMUONDigitizerv1.cxx



#include <Riostream.h>
#include <TDirectory.h>
#include <TFile.h>
#include <TObjArray.h>
#include <TPDGCode.h>
#include <TTree.h> 
#include <TMath.h>

#include "AliMUON.h"
#include "AliMUONChamber.h"
#include "AliMUONConstants.h"
#include "AliMUONDigit.h"
#include "AliMUONDigitizerv1.h"
#include "AliMUONHit.h"
#include "AliMUONHitMapA1.h"
#include "AliMUONPadHit.h"
#include "AliMUONTransientDigit.h"
#include "AliRun.h"
#include "AliRunDigitizer.h"
#include "AliRunLoader.h"
#include "AliLoader.h"

ClassImp(AliMUONDigitizerv1)

//___________________________________________
AliMUONDigitizerv1::AliMUONDigitizerv1() :AliDigitizer()
{
// Default ctor - don't use it
  fHitMap = 0;
  fTDList = 0;
  if (GetDebug()>2) 
    cerr<<"AliMUONDigitizerv1::AliMUONDigitizerv1"
	<<"(AliRunDigitizer* manager) was processed"<<endl;
}

//___________________________________________
AliMUONDigitizerv1::AliMUONDigitizerv1(AliRunDigitizer* manager) 
    :AliDigitizer(manager)
{
// ctor which should be used
  fHitMap  = 0;
  fTDList  = 0;
  fDebug   = 0; 
  fHits = new TClonesArray("AliMUONHit",1000);
  if (GetDebug()>2) 
    cerr<<"AliMUONDigitizerv1::AliMUONDigitizerv1"
	<<"(AliRunDigitizer* manager) was processed"<<endl;
}

//------------------------------------------------------------------------
AliMUONDigitizerv1::~AliMUONDigitizerv1()
{
// Destructor
  delete fHits;
}

//------------------------------------------------------------------------
void AliMUONDigitizerv1::AddTransientDigit(AliMUONTransientDigit * mTD)
{
  // Choosing the maping of the cathode plane of the chamber:
  Int_t iNchCpl= mTD->Chamber() + (mTD->Cathode()-1) * AliMUONConstants::NCh();
  fTDList->AddAtAndExpand(mTD, fTDCounter);
  fHitMap[iNchCpl]->SetHit( mTD->PadX(), mTD->PadY(), fTDCounter);
  fTDCounter++;
}

//------------------------------------------------------------------------
Bool_t AliMUONDigitizerv1::ExistTransientDigit(AliMUONTransientDigit * mTD)
{
  // Choosing the maping of the cathode plane of the chamber:
  Int_t iNchCpl= mTD->Chamber() + (mTD->Cathode()-1) * AliMUONConstants::NCh();
  return( fHitMap[iNchCpl]->TestHit(mTD->PadX(), mTD->PadY()) );
}

//------------------------------------------------------------------------
Bool_t AliMUONDigitizerv1::Init()
{
// Initialization 
  return kTRUE;
}

//------------------------------------------------------------------------
void AliMUONDigitizerv1::UpdateTransientDigit(Int_t track, AliMUONTransientDigit * mTD)
{
  // Choosing the maping of the cathode plane of the chamber:
  Int_t iNchCpl= mTD->Chamber() + (mTD->Cathode()-1) * AliMUONConstants::NCh();
  AliMUONTransientDigit *pdigit = 
    static_cast<AliMUONTransientDigit*>(fHitMap[iNchCpl]->GetHit(mTD->PadX(),mTD->PadY()));
  // update charge
  //
  Int_t iqpad  = mTD->Signal();        // charge per pad
  pdigit->AddSignal(iqpad);
  pdigit->AddPhysicsSignal(iqpad);		
  // update list of tracks
  //
  Int_t charge;   
  track=+ fMask;
  if (fSignal) charge = iqpad;
  //else         charge = kBgTag;
  else         charge = iqpad + fMask; 
	       
  pdigit->UpdateTrackList(track,charge);
}


//--------------------------------------------------------------------------
void AliMUONDigitizerv1::MakeTransientDigit(Int_t track, Int_t iHit, AliMUONHit * mHit)
{
  AliMUON *pMUON  = (AliMUON *) gAlice->GetModule("MUON");
  if (!pMUON) { 
    cerr<<"AliMUONDigitizerv1::Digitize Error:"
	<<" module MUON not found in the input file"<<endl;
  }
  if (GetDebug()>2) cerr<<"AliMUONDigitizerv1::MakeTransientDigit starts"<<endl;
  Int_t   ichamber = mHit->Chamber()-1;
  AliMUONChamber & chamber = pMUON->Chamber(ichamber);
  Float_t xhit = mHit->X();
  Float_t yhit = mHit->Y();
  Float_t zhit = mHit->Z();
  Float_t eloss= mHit->Eloss(); 
  Float_t tof  = mHit->Age();
  // Variables for chamber response from AliMUONChamber::DisIntegration
  Float_t newdigit[6][500];  // Pad information
  Int_t nnew=0;              // Number of touched Pads per hit
  Int_t digits[6];
  
  //
  // Calls the charge disintegration method of the current chamber 
  if (GetDebug()>2) cerr<<"AliMUONDigitizerv1::MakeTransientDigit calling AliMUONChamber::DisIngtegration starts"<<endl;
  chamber.DisIntegration(eloss, tof, xhit, yhit, zhit, nnew, newdigit);
  // Creating a new TransientDigits from hit
  for(Int_t iTD=0; iTD<nnew; iTD++) {
    digits[0] = Int_t(newdigit[1][iTD]);  // Padx of the Digit
    digits[1] = Int_t(newdigit[2][iTD]);  // Pady of the Digit
    digits[2] = Int_t(newdigit[5][iTD]);  // Cathode plane
    digits[3] = Int_t(newdigit[3][iTD]);  // Induced charge in the Pad
    if (fSignal) digits[4] = Int_t(newdigit[3][iTD]);
    else         digits[4] = 0;
    digits[5] = iHit+fMask;    // Hit number in the list
    if (GetDebug()>2) cerr<<"AliMUONDigitizerv1::MakeTransientDigit " <<
			"PadX "<< digits[0] << " " <<
			"PadY "<< digits[1] << " " <<
			"Plane " << digits[2] << " " <<
			"Charge " << digits[3] <<" " <<
			"Hit " << digits[5] << endl;
    // list of tracks
    Int_t charge;   
    track += fMask;
    if (fSignal) charge = digits[3];
    //else         charge = kBgTag;
    else         charge = digits[3] + fMask;
		 
    if (GetDebug()>2) cerr<<"AliMUONDigitizerv1::MakeTransientDigit Creating AliMUONTransientDigit"<<endl;
    AliMUONTransientDigit * mTD = new AliMUONTransientDigit(ichamber, digits);
    mTD->AddToTrackList(track,charge);
    if (!ExistTransientDigit(mTD)) {
      AddTransientDigit(mTD);
      if (GetDebug()>2) cerr<<"AliMUONDigitizerv1::MakeTransientDigit Adding TransientDigit"<<endl;
    }
    else {
      if (GetDebug()>2) cerr<<"AliMUONDigitizerv1::MakeTransientDigit updating TransientDigit"<<endl;
      UpdateTransientDigit(track, mTD);
      delete mTD;
    }
  }
}
//-----------------------------------------------------------------------
void AliMUONDigitizerv1::Exec(Option_t* option)
{
  TString optionString = option;
  if (optionString.Data() == "deb") {
    cout<<"AliMUONDigitizerv1::Exec: called with option deb "<<endl;
    fDebug = 3;
  }
  AliMUONChamber*   chamber;
  AliSegmentation*  c1Segmentation; //Cathode plane c1 of the chamber
  AliSegmentation*  c2Segmentation; //Cathode place c2 of the chamber

  if (GetDebug()>2) cerr<<"AliMUONDigitizerv1::Digitize() starts"<<endl;
  fTDList = new TObjArray;

  //Loaders (We assume input0 to be the output too)
  AliRunLoader * runloader;    // Input   loader
  AliLoader    * gime; 
 
  runloader    = AliRunLoader::GetRunLoader(fManager->GetInputFolderName(0));
  if (runloader == 0x0) {
    cerr<<"AliMUONDigitizerv1::Digitize() opening file "<<fManager->GetInputFileName(0,0)<<endl;
    return;  // RunDigitizer is not working.  
  }
  gime         = runloader->GetLoader("MUONLoader");
  if (gime->TreeH()==0x0) {
     Info("Digitize","TreeH is not loaded yet. Loading...");
     gime->LoadHits("READ");
     Info("Digitize","Now treeH is %#x. MUONLoader is %#x",gime->TreeH(),gime);
  }

  if (GetDebug()>2) cerr<<"AliMUONDigitizerv1::Digitize() loaders"<<endl;

   if (runloader->GetAliRun() == 0x0) runloader->LoadgAlice();
  gAlice = runloader->GetAliRun();

  // Getting Module MUON  
  AliMUON *pMUON  = (AliMUON *) gAlice->GetDetector("MUON");
  if (!pMUON) {
    cerr<<"AliMUONDigitizerv1::Digitize Error:"
	<<" module MUON not found in the input file"<<endl;
    return;
  } 

  // Loading Event
  Int_t currentevent = fManager->GetOutputEventNr();
  
  if (GetDebug()>2) cerr<<"AliMUONDigitizerv1::Digitize() Event Number is "<<currentevent <<endl;
  if ( (currentevent<10)                                                 || 
       (Int_t(TMath::Log10(currentevent)) == TMath::Log10(currentevent) ) )
    cout <<"ALiMUONDigitizerv1::Digitize() Event Number is "<< currentevent <<endl;

  // Output file for digits 
  AliRunLoader *  runloaderout  = AliRunLoader::GetRunLoader(fManager->GetOutputFolderName());
  AliLoader * gimeout         = runloaderout->GetLoader("MUONLoader"); 
  // New branch per chamber for MUON digit in the tree of digits
  if (gime->TreeD() == 0x0) gimeout->MakeDigitsContainer();
  TTree* treeD = gimeout->TreeD();
  pMUON->MakeBranchInTreeD(treeD);

  // Array of pointer of the AliMUONHitMapA1:
  //  two HitMaps per chamber, or one HitMap per cahtode plane
  fHitMap= new AliMUONHitMapA1* [2*AliMUONConstants::NCh()];

  //Loop over chambers for the definition AliMUONHitMap
  for (Int_t i=0; i<AliMUONConstants::NCh(); i++) {
    chamber = &(pMUON->Chamber(i));
    c1Segmentation = chamber->SegmentationModel(1); // Cathode plane 1
    fHitMap[i] = new AliMUONHitMapA1(c1Segmentation, fTDList);
    c2Segmentation = chamber->SegmentationModel(2); // Cathode plane 2
    fHitMap[i+AliMUONConstants::NCh()] = new AliMUONHitMapA1(c2Segmentation, fTDList);
  }

// Loop over files to merge and to digitize
    fSignal = kTRUE;
    for (Int_t inputFile=0; inputFile<fManager->GetNinputs(); inputFile++) {
      if (GetDebug()>2) cerr<<"AliMUONDigitizerv1::Digitize() Input File is "<<inputFile<<endl;

      // Hits Branch
      TBranch *branchHits = 0;

      // Connect MUON Hit branch
      if (inputFile > 0 ) {
	fSignal = kFALSE;
         runloader    = AliRunLoader::GetRunLoader(fManager->GetInputFolderName(inputFile));
         if (runloader == 0x0) {
           cerr<<"AliMUONDigitizerv1::Digitize() RunLoader for inputFile "<<inputFile<< " not found !!! "<<endl;
         }
         gime  = runloader->GetLoader("MUONLoader");
         if (gime->TreeH() == 0x0) gime->LoadHits("READ");	
      }

      // Setting the address of fHits list
      TTree *treeH = gime->TreeH();
      if (treeH == 0x0) {
	Error("Digitize","Can not get TreeH from input %d",inputFile);
	Info("Digitize","Now treeH is %#x. MUONLoader is %#x",gime->TreeH(),gime);
	return;
      }
      if (GetDebug()>2) {
	cerr<<"AliMUONDigitizerv1::Exec inputFile is "<<inputFile<<" "<<endl;
	cerr<<"AliMUONDigitizerv1::Exec treeH, fHits "<<treeH<<" "<<fHits<<endl;
      }
      if (treeH && fHits) {
	branchHits = treeH->GetBranch("MUON");
	if (branchHits) {
	  fHits->Clear();
	  branchHits->SetAddress(&fHits);
	}
	else
	  Error("Exec","branch MUON was not found");
      }
      if (GetDebug()>2) cerr<<"AliMUONDigitizerv1::Exec branchHits = "<<branchHits<<endl;


      fMask = fManager->GetMask(inputFile);
      //
      // Loop over tracks
      Int_t itrack;
      Int_t ntracks = (Int_t) treeH->GetEntries();
      for (itrack = 0; itrack < ntracks; itrack++) {
	if (GetDebug()>2) cerr<<"AliMUONDigitizerv1::Exec itrack = "<<itrack<<endl;
	fHits->Clear();
	treeH->GetEvent(itrack);
	//
	//  Loop over hits
	Int_t ihit, ichamber;
	AliMUONHit* mHit;
	for(ihit = 0; ihit < fHits->GetEntriesFast(); ihit++) {
	  mHit = static_cast<AliMUONHit*>(fHits->At(ihit));
	  ichamber = mHit->Chamber()-1;  // chamber number
	  if (ichamber > AliMUONConstants::NCh()-1) {
	    cerr<<"AliMUONDigitizer: ERROR: "
		<<"fNch > AliMUONConstants::NCh()-1, fNch, NCh(): "
		<<ichamber<<", "<< AliMUONConstants::NCh()<<endl;
	    return;
	  }
	  chamber = &(pMUON->Chamber(ichamber));
	  //
	  //Dumping Hit content:
	  if (GetDebug()>2) {
	    cerr<<"AliMuonDigitizerv1::Exec ihit, ichamber, x, y, z, eloss " <<
	      ihit << " " << 
	      mHit->Chamber() << " " <<
	      mHit->X() << " " <<
	      mHit->Y() << " " <<
	      mHit->Z() << " " <<
	      mHit->Eloss() << " " << endl;
	  }
	  // 
	  // Inititializing Correlation
	  chamber->ChargeCorrelationInit();
	  if (ichamber < AliMUONConstants::NTrackingCh()) {
	    // Tracking Chamber
	    // Initialize hit position (cursor) in the segmentation model 
	    chamber->SigGenInit(mHit->X(), mHit->Y(), mHit->Z());
	  } else {
	    // Trigger Chamber 
	  }
	  MakeTransientDigit(itrack, ihit, mHit);
	} // hit loop
      } // track loop
    } // end file loop
    if (GetDebug()>2) cerr<<"AliMUONDigitizer::Exec End of hits, track and file loops"<<endl;

    // Loop on cathodes
    Int_t icat;
    for(icat=0; icat<2; icat++) {
      //
      // Filling Digit List
      Int_t tracks[kMAXTRACKS];
      Int_t charges[kMAXTRACKS];
      Int_t nentries = fTDList->GetEntriesFast();
      Int_t digits[6];
      for (Int_t nent = 0; nent < nentries; nent++) {
	AliMUONTransientDigit *address = (AliMUONTransientDigit*)fTDList->At(nent);
	if (address == 0) continue; 
	Int_t ich = address->Chamber();
	Int_t   q = address->Signal(); 
	chamber = &(pMUON->Chamber(ich));
	//
	//  Digit Response (noise, threshold, saturation, ...)
	AliMUONResponse * response = chamber->ResponseModel();
	q = response->DigitResponse(q,address);
	
	if (!q) continue;
	
	digits[0] = address->PadX();
	digits[1] = address->PadY();
	digits[2] = address->Cathode()-1;
	digits[3] = q;
	digits[4] = address->Physics();
	digits[5] = address->Hit();
	
	Int_t nptracks = address->GetNTracks();
	
	if (nptracks > kMAXTRACKS) {
	  if (GetDebug() >0) {
	    cerr<<"AliMUONDigitizer:Exec  nptracks > 10 "<<nptracks;
	    cerr<<"reset to max value "<<kMAXTRACKS<<endl;
	  }
	  nptracks = kMAXTRACKS;
	}
	if (nptracks > 2 && GetDebug() >2) {
	  cerr<<"AliMUONDigitizer::Exec  nptracks > 2 "<<nptracks<<endl;
	  //	printf("cat,ich,ix,iy,q %d %d %d %d %d \n",icat,ich,digits[0],digits[1],q);
	}
	for (Int_t tr = 0; tr < nptracks; tr++) {
	  tracks[tr]   = address->GetTrack(tr);
	  charges[tr]  = address->GetCharge(tr);
	}      //end loop over list of tracks for one pad
	// Sort list of tracks according to charge
	if (nptracks > 1) {
	  SortTracks(tracks,charges,nptracks);
	}
	if (nptracks < kMAXTRACKS ) {
	  for (Int_t i = nptracks; i < kMAXTRACKS; i++) {
	    tracks[i]  = -1;
	    charges[i] = 0;
	  }
	}
	
	// fill digits
	if (GetDebug()>3) cerr<<"AliMUONDigitzerv1::Exex TransientDigit to Digit"<<endl;
	if ( digits[2] == icat ) pMUON->AddDigits(ich,tracks,charges,digits);
      }
      // Filling list of digits per chamber for a given cathode.
      treeD->Fill();
      pMUON->ResetDigits();    
    } // end loop cathode
    fTDList->Delete();  
    
    for(Int_t ii = 0; ii < 2*AliMUONConstants::NCh(); ++ii) {
      if (fHitMap[ii]) {
	delete fHitMap[ii];
	fHitMap[ii] = 0;
      }
    }
    
    if (GetDebug()>2) 
      cerr<<"AliMUONDigitizer::Exec: writing the TreeD: "
	  <<treeD->GetName()<<endl;

    gimeout->WriteDigits("OVERWRITE");
    delete [] fHitMap;
    delete fTDList;
    
    if (fHits)    fHits->Clear();
}

//------------------------------------------------------------------------
void AliMUONDigitizerv1::SortTracks(Int_t *tracks,Int_t *charges,Int_t ntr)
{
  //
  // Sort the list of tracks contributing to a given digit
  // Only the 3 most significant tracks are acctually sorted
  //
  
  //
  //  Loop over signals, only 3 times
  //
  
  Int_t qmax;
  Int_t jmax;
  Int_t idx[3] = {-2,-2,-2};
  Int_t jch[3] = {-2,-2,-2};
  Int_t jtr[3] = {-2,-2,-2};
  Int_t i,j,imax;
  
  if (ntr<3) imax=ntr;
  else imax=3;
  for(i=0;i<imax;i++){
    qmax=0;
    jmax=0;
    
    for(j=0;j<ntr;j++){
      
      if((i == 1 && j == idx[i-1]) 
	 ||(i == 2 && (j == idx[i-1] || j == idx[i-2]))) continue;
      
      if(charges[j] > qmax) {
	qmax = charges[j];
	jmax=j;
      }       
    } 
    
    if(qmax > 0) {
      idx[i]=jmax;
      jch[i]=charges[jmax]; 
      jtr[i]=tracks[jmax];
    }
    
  } 
  
  for(i=0;i<3;i++){
    if (jtr[i] == -2) {
      charges[i]=0;
      tracks[i]=0;
    } else {
      charges[i]=jch[i];
      tracks[i]=jtr[i];
    }
  }
}
Commit	Line	Data
8dbbc4e3	1
	2
	3	#include <Riostream.h>
	4	#include <TDirectory.h>
	5	#include <TFile.h>
	6	#include <TObjArray.h>
	7	#include <TPDGCode.h>
	8	#include <TTree.h>
88cb7938	9	#include <TMath.h>
8dbbc4e3	10
	11	#include "AliMUON.h"
	12	#include "AliMUONChamber.h"
	13	#include "AliMUONConstants.h"
	14	#include "AliMUONDigit.h"
	15	#include "AliMUONDigitizerv1.h"
	16	#include "AliMUONHit.h"
	17	#include "AliMUONHitMapA1.h"
	18	#include "AliMUONPadHit.h"
	19	#include "AliMUONTransientDigit.h"
	20	#include "AliRun.h"
	21	#include "AliRunDigitizer.h"
88cb7938	22	#include "AliRunLoader.h"
88cb7938	23	#include "AliLoader.h"
8dbbc4e3	24
	25	ClassImp(AliMUONDigitizerv1)
	26
	27	//___________________________________________
	28	AliMUONDigitizerv1::AliMUONDigitizerv1() :AliDigitizer()
	29	{
	30	// Default ctor - don't use it
	31	fHitMap = 0;
	32	fTDList = 0;
	33	if (GetDebug()>2)
	34	cerr<<"AliMUONDigitizerv1::AliMUONDigitizerv1"
	35	<<"(AliRunDigitizer* manager) was processed"<<endl;
	36	}
	37
	38	//___________________________________________
	39	AliMUONDigitizerv1::AliMUONDigitizerv1(AliRunDigitizer* manager)
	40	:AliDigitizer(manager)
	41	{
	42	// ctor which should be used
	43	fHitMap = 0;
	44	fTDList = 0;
	45	fDebug = 0;
	46	fHits = new TClonesArray("AliMUONHit",1000);
	47	if (GetDebug()>2)
	48	cerr<<"AliMUONDigitizerv1::AliMUONDigitizerv1"
	49	<<"(AliRunDigitizer* manager) was processed"<<endl;
	50	}
	51
	52	//------------------------------------------------------------------------
	53	AliMUONDigitizerv1::~AliMUONDigitizerv1()
	54	{
	55	// Destructor
	56	delete fHits;
	57	}
	58
	59	//------------------------------------------------------------------------
	60	void AliMUONDigitizerv1::AddTransientDigit(AliMUONTransientDigit * mTD)
	61	{
	62	// Choosing the maping of the cathode plane of the chamber:
	63	Int_t iNchCpl= mTD->Chamber() + (mTD->Cathode()-1) * AliMUONConstants::NCh();
	64	fTDList->AddAtAndExpand(mTD, fTDCounter);
	65	fHitMap[iNchCpl]->SetHit( mTD->PadX(), mTD->PadY(), fTDCounter);
	66	fTDCounter++;
	67	}
	68
	69	//------------------------------------------------------------------------
	70	Bool_t AliMUONDigitizerv1::ExistTransientDigit(AliMUONTransientDigit * mTD)
	71	{
	72	// Choosing the maping of the cathode plane of the chamber:
	73	Int_t iNchCpl= mTD->Chamber() + (mTD->Cathode()-1) * AliMUONConstants::NCh();
	74	return( fHitMap[iNchCpl]->TestHit(mTD->PadX(), mTD->PadY()) );
	75	}
	76
	77	//------------------------------------------------------------------------
	78	Bool_t AliMUONDigitizerv1::Init()
	79	{
	80	// Initialization
	81	return kTRUE;
	82	}
	83
	84	//------------------------------------------------------------------------
	85	void AliMUONDigitizerv1::UpdateTransientDigit(Int_t track, AliMUONTransientDigit * mTD)
	86	{
	87	// Choosing the maping of the cathode plane of the chamber:
88	Int_t iNchCpl= mTD->Chamber() + (mTD->Cathode()-1) * AliMUONConstants::NCh();
89	AliMUONTransientDigit *pdigit =
90	static_cast<AliMUONTransientDigit*>(fHitMap[iNchCpl]->GetHit(mTD->PadX(),mTD->PadY()));
91	// update charge
92	//
93	Int_t iqpad = mTD->Signal(); // charge per pad
94	pdigit->AddSignal(iqpad);
95	pdigit->AddPhysicsSignal(iqpad);
96	// update list of tracks
97	//
3351e14b	98	Int_t charge;
8dbbc4e3	99	track=+ fMask;
8dbbc4e3	100	if (fSignal) charge = iqpad;
3351e14b	101	//else charge = kBgTag;
	102	else charge = iqpad + fMask;
	103
8dbbc4e3	104	pdigit->UpdateTrackList(track,charge);
	105	}
	106
	107
	108	//--------------------------------------------------------------------------
	109	void AliMUONDigitizerv1::MakeTransientDigit(Int_t track, Int_t iHit, AliMUONHit * mHit)
	110	{
	111	AliMUON pMUON = (AliMUON ) gAlice->GetModule("MUON");
	112	if (!pMUON) {
	113	cerr<<"AliMUONDigitizerv1::Digitize Error:"
	114	<<" module MUON not found in the input file"<<endl;
	115	}
	116	if (GetDebug()>2) cerr<<"AliMUONDigitizerv1::MakeTransientDigit starts"<<endl;
	117	Int_t ichamber = mHit->Chamber()-1;
	118	AliMUONChamber & chamber = pMUON->Chamber(ichamber);
	119	Float_t xhit = mHit->X();
	120	Float_t yhit = mHit->Y();
	121	Float_t zhit = mHit->Z();
	122	Float_t eloss= mHit->Eloss();
	123	Float_t tof = mHit->Age();
	124	// Variables for chamber response from AliMUONChamber::DisIntegration
	125	Float_t newdigit[6][500]; // Pad information
	126	Int_t nnew=0; // Number of touched Pads per hit
	127	Int_t digits[6];
	128
	129	//
	130	// Calls the charge disintegration method of the current chamber
	131	if (GetDebug()>2) cerr<<"AliMUONDigitizerv1::MakeTransientDigit calling AliMUONChamber::DisIngtegration starts"<<endl;
	132	chamber.DisIntegration(eloss, tof, xhit, yhit, zhit, nnew, newdigit);
	133	// Creating a new TransientDigits from hit
	134	for(Int_t iTD=0; iTD<nnew; iTD++) {
	135	digits[0] = Int_t(newdigit[1][iTD]); // Padx of the Digit
	136	digits[1] = Int_t(newdigit[2][iTD]); // Pady of the Digit
	137	digits[2] = Int_t(newdigit[5][iTD]); // Cathode plane
	138	digits[3] = Int_t(newdigit[3][iTD]); // Induced charge in the Pad
	139	if (fSignal) digits[4] = Int_t(newdigit[3][iTD]);
	140	else digits[4] = 0;
	141	digits[5] = iHit+fMask; // Hit number in the list
	142	if (GetDebug()>2) cerr<<"AliMUONDigitizerv1::MakeTransientDigit " <<
	143	"PadX "<< digits[0] << " " <<
	144	"PadY "<< digits[1] << " " <<
	145	"Plane " << digits[2] << " " <<
	146	"Charge " << digits[3] <<" " <<
	147	"Hit " << digits[5] << endl;
	148	// list of tracks
3351e14b	149	Int_t charge;
8dbbc4e3	150	track += fMask;
8dbbc4e3	151	if (fSignal) charge = digits[3];
3351e14b	152	//else charge = kBgTag;
	153	else charge = digits[3] + fMask;
	154
8dbbc4e3	155	if (GetDebug()>2) cerr<<"AliMUONDigitizerv1::MakeTransientDigit Creating AliMUONTransientDigit"<<endl;
	156	AliMUONTransientDigit * mTD = new AliMUONTransientDigit(ichamber, digits);
	157	mTD->AddToTrackList(track,charge);
8dbbc4e3	158	if (!ExistTransientDigit(mTD)) {
	159	AddTransientDigit(mTD);
	160	if (GetDebug()>2) cerr<<"AliMUONDigitizerv1::MakeTransientDigit Adding TransientDigit"<<endl;
	161	}
	162	else {
	163	if (GetDebug()>2) cerr<<"AliMUONDigitizerv1::MakeTransientDigit updating TransientDigit"<<endl;
	164	UpdateTransientDigit(track, mTD);
	165	delete mTD;
	166	}
	167	}
	168	}
	169	//-----------------------------------------------------------------------
	170	void AliMUONDigitizerv1::Exec(Option_t* option)
	171	{
	172	TString optionString = option;
	173	if (optionString.Data() == "deb") {
	174	cout<<"AliMUONDigitizerv1::Exec: called with option deb "<<endl;
	175	fDebug = 3;
	176	}
8dbbc4e3	177	AliMUONChamber* chamber;
	178	AliSegmentation* c1Segmentation; //Cathode plane c1 of the chamber
	179	AliSegmentation* c2Segmentation; //Cathode place c2 of the chamber
	180
	181	if (GetDebug()>2) cerr<<"AliMUONDigitizerv1::Digitize() starts"<<endl;
	182	fTDList = new TObjArray;
	183
88cb7938	184	//Loaders (We assume input0 to be the output too)
	185	AliRunLoader * runloader; // Input loader
	186	AliLoader * gime;
	187
	188	runloader = AliRunLoader::GetRunLoader(fManager->GetInputFolderName(0));
	189	if (runloader == 0x0) {
	190	cerr<<"AliMUONDigitizerv1::Digitize() opening file "<<fManager->GetInputFileName(0,0)<<endl;
	191	return; // RunDigitizer is not working.
	192	}
	193	gime = runloader->GetLoader("MUONLoader");
	194	if (gime->TreeH()==0x0) {
	195	Info("Digitize","TreeH is not loaded yet. Loading...");
	196	gime->LoadHits("READ");
	197	Info("Digitize","Now treeH is %#x. MUONLoader is %#x",gime->TreeH(),gime);
	198	}
	199
	200	if (GetDebug()>2) cerr<<"AliMUONDigitizerv1::Digitize() loaders"<<endl;
	201
	202	if (runloader->GetAliRun() == 0x0) runloader->LoadgAlice();
	203	gAlice = runloader->GetAliRun();
	204
	205	// Getting Module MUON
	206	AliMUON pMUON = (AliMUON ) gAlice->GetDetector("MUON");
8dbbc4e3	207	if (!pMUON) {
	208	cerr<<"AliMUONDigitizerv1::Digitize Error:"
	209	<<" module MUON not found in the input file"<<endl;
	210	return;
88cb7938	211	}
	212
	213	// Loading Event
	214	Int_t currentevent = fManager->GetOutputEventNr();
	215
	216	if (GetDebug()>2) cerr<<"AliMUONDigitizerv1::Digitize() Event Number is "<<currentevent <<endl;
	217	if ( (currentevent<10) \|\|
	218	(Int_t(TMath::Log10(currentevent)) == TMath::Log10(currentevent) ) )
	219	cout <<"ALiMUONDigitizerv1::Digitize() Event Number is "<< currentevent <<endl;
	220
	221	// Output file for digits
	222	AliRunLoader * runloaderout = AliRunLoader::GetRunLoader(fManager->GetOutputFolderName());
	223	AliLoader * gimeout = runloaderout->GetLoader("MUONLoader");
	224	// New branch per chamber for MUON digit in the tree of digits
	225	if (gime->TreeD() == 0x0) gimeout->MakeDigitsContainer();
	226	TTree* treeD = gimeout->TreeD();
	227	pMUON->MakeBranchInTreeD(treeD);
8dbbc4e3	228
	229	// Array of pointer of the AliMUONHitMapA1:
	230	// two HitMaps per chamber, or one HitMap per cahtode plane
	231	fHitMap= new AliMUONHitMapA1* [2*AliMUONConstants::NCh()];
	232
	233	//Loop over chambers for the definition AliMUONHitMap
	234	for (Int_t i=0; i<AliMUONConstants::NCh(); i++) {
	235	chamber = &(pMUON->Chamber(i));
	236	c1Segmentation = chamber->SegmentationModel(1); // Cathode plane 1
	237	fHitMap[i] = new AliMUONHitMapA1(c1Segmentation, fTDList);
	238	c2Segmentation = chamber->SegmentationModel(2); // Cathode plane 2
	239	fHitMap[i+AliMUONConstants::NCh()] = new AliMUONHitMapA1(c2Segmentation, fTDList);
	240	}
	241
	242	// Loop over files to merge and to digitize
	243	fSignal = kTRUE;
	244	for (Int_t inputFile=0; inputFile<fManager->GetNinputs(); inputFile++) {
88cb7938	245	if (GetDebug()>2) cerr<<"AliMUONDigitizerv1::Digitize() Input File is "<<inputFile<<endl;
	246
	247	// Hits Branch
8dbbc4e3	248	TBranch *branchHits = 0;
88cb7938	249
	250	// Connect MUON Hit branch
	251	if (inputFile > 0 ) {
	252	fSignal = kFALSE;
	253	runloader = AliRunLoader::GetRunLoader(fManager->GetInputFolderName(inputFile));
	254	if (runloader == 0x0) {
	255	cerr<<"AliMUONDigitizerv1::Digitize() RunLoader for inputFile "<<inputFile<< " not found !!! "<<endl;
	256	}
	257	gime = runloader->GetLoader("MUONLoader");
	258	if (gime->TreeH() == 0x0) gime->LoadHits("READ");
	259	}
	260
	261	// Setting the address of fHits list
	262	TTree *treeH = gime->TreeH();
	263	if (treeH == 0x0) {
	264	Error("Digitize","Can not get TreeH from input %d",inputFile);
	265	Info("Digitize","Now treeH is %#x. MUONLoader is %#x",gime->TreeH(),gime);
	266	return;
	267	}
8dbbc4e3	268	if (GetDebug()>2) {
	269	cerr<<"AliMUONDigitizerv1::Exec inputFile is "<<inputFile<<" "<<endl;
	270	cerr<<"AliMUONDigitizerv1::Exec treeH, fHits "<<treeH<<" "<<fHits<<endl;
	271	}
	272	if (treeH && fHits) {
	273	branchHits = treeH->GetBranch("MUON");
	274	if (branchHits) {
391cd891	275	fHits->Clear();
8dbbc4e3	276	branchHits->SetAddress(&fHits);
	277	}
	278	else
	279	Error("Exec","branch MUON was not found");
	280	}
	281	if (GetDebug()>2) cerr<<"AliMUONDigitizerv1::Exec branchHits = "<<branchHits<<endl;
	282
88cb7938	283
8dbbc4e3	284	fMask = fManager->GetMask(inputFile);
	285	//
	286	// Loop over tracks
	287	Int_t itrack;
	288	Int_t ntracks = (Int_t) treeH->GetEntries();
	289	for (itrack = 0; itrack < ntracks; itrack++) {
	290	if (GetDebug()>2) cerr<<"AliMUONDigitizerv1::Exec itrack = "<<itrack<<endl;
5989ad6a	291	fHits->Clear();
88cb7938	292	treeH->GetEvent(itrack);
8dbbc4e3	293	//
	294	// Loop over hits
	295	Int_t ihit, ichamber;
	296	AliMUONHit* mHit;
	297	for(ihit = 0; ihit < fHits->GetEntriesFast(); ihit++) {
	298	mHit = static_cast<AliMUONHit*>(fHits->At(ihit));
	299	ichamber = mHit->Chamber()-1; // chamber number
	300	if (ichamber > AliMUONConstants::NCh()-1) {
	301	cerr<<"AliMUONDigitizer: ERROR: "
	302	<<"fNch > AliMUONConstants::NCh()-1, fNch, NCh(): "
	303	<<ichamber<<", "<< AliMUONConstants::NCh()<<endl;
	304	return;
	305	}
	306	chamber = &(pMUON->Chamber(ichamber));
	307	//
	308	//Dumping Hit content:
	309	if (GetDebug()>2) {
	310	cerr<<"AliMuonDigitizerv1::Exec ihit, ichamber, x, y, z, eloss " <<
	311	ihit << " " <<
	312	mHit->Chamber() << " " <<
	313	mHit->X() << " " <<
	314	mHit->Y() << " " <<
	315	mHit->Z() << " " <<
	316	mHit->Eloss() << " " << endl;
	317	}
	318	//
	319	// Inititializing Correlation
	320	chamber->ChargeCorrelationInit();
	321	if (ichamber < AliMUONConstants::NTrackingCh()) {
	322	// Tracking Chamber
	323	// Initialize hit position (cursor) in the segmentation model
	324	chamber->SigGenInit(mHit->X(), mHit->Y(), mHit->Z());
	325	} else {
	326	// Trigger Chamber
	327	}
	328	MakeTransientDigit(itrack, ihit, mHit);
	329	} // hit loop
	330	} // track loop
	331	} // end file loop
	332	if (GetDebug()>2) cerr<<"AliMUONDigitizer::Exec End of hits, track and file loops"<<endl;
	333
391cd891	334	// Loop on cathodes
	335	Int_t icat;
	336	for(icat=0; icat<2; icat++) {
8dbbc4e3	337	//
391cd891	338	// Filling Digit List
	339	Int_t tracks[kMAXTRACKS];
	340	Int_t charges[kMAXTRACKS];
	341	Int_t nentries = fTDList->GetEntriesFast();
	342	Int_t digits[6];
	343	for (Int_t nent = 0; nent < nentries; nent++) {
	344	AliMUONTransientDigit address = (AliMUONTransientDigit)fTDList->At(nent);
	345	if (address == 0) continue;
	346	Int_t ich = address->Chamber();
	347	Int_t q = address->Signal();
	348	chamber = &(pMUON->Chamber(ich));
	349	//
	350	// Digit Response (noise, threshold, saturation, ...)
	351	AliMUONResponse * response = chamber->ResponseModel();
	352	q = response->DigitResponse(q,address);
	353
	354	if (!q) continue;
	355
	356	digits[0] = address->PadX();
	357	digits[1] = address->PadY();
	358	digits[2] = address->Cathode()-1;
	359	digits[3] = q;
	360	digits[4] = address->Physics();
	361	digits[5] = address->Hit();
	362
	363	Int_t nptracks = address->GetNTracks();
	364
	365	if (nptracks > kMAXTRACKS) {
	366	if (GetDebug() >0) {
	367	cerr<<"AliMUONDigitizer:Exec nptracks > 10 "<<nptracks;
	368	cerr<<"reset to max value "<<kMAXTRACKS<<endl;
	369	}
	370	nptracks = kMAXTRACKS;
8dbbc4e3	371	}
391cd891	372	if (nptracks > 2 && GetDebug() >2) {
	373	cerr<<"AliMUONDigitizer::Exec nptracks > 2 "<<nptracks<<endl;
	374	// printf("cat,ich,ix,iy,q %d %d %d %d %d \n",icat,ich,digits[0],digits[1],q);
	375	}
	376	for (Int_t tr = 0; tr < nptracks; tr++) {
	377	tracks[tr] = address->GetTrack(tr);
	378	charges[tr] = address->GetCharge(tr);
	379	} //end loop over list of tracks for one pad
	380	// Sort list of tracks according to charge
	381	if (nptracks > 1) {
	382	SortTracks(tracks,charges,nptracks);
8dbbc4e3	383	}
391cd891	384	if (nptracks < kMAXTRACKS ) {
391cd891	385	for (Int_t i = nptracks; i < kMAXTRACKS; i++) {
88cb7938	386	tracks[i] = -1;
391cd891	387	charges[i] = 0;
	388	}
	389	}
	390
	391	// fill digits
88cb7938	392	if (GetDebug()>3) cerr<<"AliMUONDigitzerv1::Exex TransientDigit to Digit"<<endl;
391cd891	393	if ( digits[2] == icat ) pMUON->AddDigits(ich,tracks,charges,digits);
8dbbc4e3	394	}
88cb7938	395	// Filling list of digits per chamber for a given cathode.
	396	treeD->Fill();
	397	pMUON->ResetDigits();
391cd891	398	} // end loop cathode
391cd891	399	fTDList->Delete();
8dbbc4e3	400
	401	for(Int_t ii = 0; ii < 2*AliMUONConstants::NCh(); ++ii) {
	402	if (fHitMap[ii]) {
	403	delete fHitMap[ii];
	404	fHitMap[ii] = 0;
	405	}
	406	}
	407
	408	if (GetDebug()>2)
	409	cerr<<"AliMUONDigitizer::Exec: writing the TreeD: "
88cb7938	410	<<treeD->GetName()<<endl;
	411
	412	gimeout->WriteDigits("OVERWRITE");
8dbbc4e3	413	delete [] fHitMap;
	414	delete fTDList;
	415
	416	if (fHits) fHits->Clear();
	417	}
	418
	419	//------------------------------------------------------------------------
	420	void AliMUONDigitizerv1::SortTracks(Int_t tracks,Int_t charges,Int_t ntr)
	421	{
	422	//
	423	// Sort the list of tracks contributing to a given digit
	424	// Only the 3 most significant tracks are acctually sorted
	425	//
	426
	427	//
	428	// Loop over signals, only 3 times
	429	//
	430
	431	Int_t qmax;
	432	Int_t jmax;
	433	Int_t idx[3] = {-2,-2,-2};
	434	Int_t jch[3] = {-2,-2,-2};
	435	Int_t jtr[3] = {-2,-2,-2};
	436	Int_t i,j,imax;
	437
	438	if (ntr<3) imax=ntr;
	439	else imax=3;
	440	for(i=0;i<imax;i++){
	441	qmax=0;
	442	jmax=0;
	443
	444	for(j=0;j<ntr;j++){
	445
	446	if((i == 1 && j == idx[i-1])
	447	\|\|(i == 2 && (j == idx[i-1] \|\| j == idx[i-2]))) continue;
	448
	449	if(charges[j] > qmax) {
	450	qmax = charges[j];
	451	jmax=j;
	452	}
	453	}
	454
	455	if(qmax > 0) {
	456	idx[i]=jmax;
	457	jch[i]=charges[jmax];
3351e14b	458	jtr[i]=tracks[jmax];
8dbbc4e3	459	}
	460
	461	}
	462
	463	for(i=0;i<3;i++){
	464	if (jtr[i] == -2) {
	465	charges[i]=0;
	466	tracks[i]=0;
	467	} else {
	468	charges[i]=jch[i];
	469	tracks[i]=jtr[i];
	470	}
	471	}
	472	}