[u/mrichter/AliRoot.git] / PHOS / AliPHOSSDigitizer.cxx

/**************************************************************************
 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
 *                                                                        *
 * Author: The ALICE Off-line Project.                                    *
 * Contributors are mentioned in the code where appropriate.              *
 *                                                                        *
 * Permission to use, copy, modify and distribute this software and its   *
 * documentation strictly for non-commercial purposes is hereby granted   *
 * without fee, provided that the above copyright notice appears in all   *
 * copies and that both the copyright notice and this permission notice   *
 * appear in the supporting documentation. The authors make no claims     *
 * about the suitability of this software for any purpose. It is          *
 * provided "as is" without express or implied warranty.                  *
 **************************************************************************/


/* $Id$ */

//_________________________________________________________________________
// This is a TTask that makes SDigits out of Hits
// The name of the TTask is also the title of the branch that will contain 
// the created SDigits
// The title of the TTAsk is the name of the file that contains the hits from
// which the SDigits are created
// A Summable Digits is the sum of all hits originating 
// from one primary in one active cell
// A threshold for assignment of the primary to SDigit is applied 
// SDigits are written to TreeS, branch "PHOS"
// AliPHOSSDigitizer with all current parameters is written 
// to TreeS branch "AliPHOSSDigitizer".
// Both branches have the same title. If necessary one can produce 
// another set of SDigits with different parameters. Two versions
// can be distunguished using titles of the branches.
// User case:
//  root [0] AliPHOSSDigitizer * s = new AliPHOSSDigitizer("galice.root")
//  Warning in <TDatabasePDG::TDatabasePDG>: object already instantiated
//  root [1] s->ExecuteTask()
//             // Makes SDigitis for all events stored in galice.root
//  root [2] s->SetPedestalParameter(0.001)
//             // One can change parameters of digitization
// root [3] s->SetSDigitsBranch("Pedestal 0.001")
//             // and write them into the new branch
// root [4] s->ExecuteTask("deb all tim")
//             // available parameters:
//             deb - print # of produced SDigitis
//             deb all  - print # and list of produced SDigits
//             tim - print benchmarking information
//
//*-- Author :  Dmitri Peressounko (SUBATECH & KI) 
//////////////////////////////////////////////////////////////////////////////


// --- ROOT system ---
#include "TFile.h"
#include "TROOT.h"
#include "TBenchmark.h"

// --- Standard library ---

// --- AliRoot header files ---
#include "AliRun.h"
#include "AliPHOSDigit.h"
#include "AliPHOSGetter.h"
#include "AliPHOSHit.h"
#include "AliPHOSSDigitizer.h"

ClassImp(AliPHOSSDigitizer)

           
//____________________________________________________________________________ 
  AliPHOSSDigitizer::AliPHOSSDigitizer():TTask("","") 
{
  // ctor
  InitParameters() ;
  fDefaultInit = kTRUE ; 
}

//____________________________________________________________________________ 
AliPHOSSDigitizer::AliPHOSSDigitizer(const char * headerFile, const char * sDigitsTitle, const Bool_t toSplit):
TTask(sDigitsTitle, headerFile)
{
  // ctor
  InitParameters() ; 
  fToSplit = toSplit ;
  Init();
  fDefaultInit = kFALSE ; 
}

//____________________________________________________________________________ 
AliPHOSSDigitizer::AliPHOSSDigitizer(const AliPHOSSDigitizer & sd) {
  //cpy ctor 

  fA             = sd.fA ;
  fB             = sd.fB ;
  fPrimThreshold = sd.fPrimThreshold ;
  fSDigitsInRun  = sd.fSDigitsInRun ;
  fSplitFile     = new TFile( (sd.fSplitFile)->GetName(), "new")  ; 
  fToSplit       = sd.fToSplit ;
}

//____________________________________________________________________________ 
AliPHOSSDigitizer::~AliPHOSSDigitizer()
{
  // dtor
  
  fSplitFile = 0 ; 
}

//____________________________________________________________________________ 
void AliPHOSSDigitizer::Init()
{
  // Initialization: open root-file, allocate arrays for hits and sdigits,
  // attach task SDigitizer to the list of PHOS tasks
  // 
  // Initialization can not be done in the default constructor
  //============================================================= YS
  //  The initialisation is now done by AliPHOSGetter
  
  if( strcmp(GetTitle(), "") == 0 )
    SetTitle("galice.root") ;

  AliPHOSGetter * gime = AliPHOSGetter::GetInstance(GetTitle(), GetName(),fToSplit) ;  
  if ( gime == 0 ) {
    Error("Init" ,"Could not obtain the Getter object !") ;  
    return ;
  } 
  
  gime->PostSDigits( GetName(), GetTitle() ) ; 

  fSplitFile = 0 ;
  if(fToSplit){
    // construct the name of the file as /path/PHOS.SDigits.root
    // First - extract full path if necessary
    TString sDigitsFileName(GetTitle()) ;
    Ssiz_t islash = sDigitsFileName.Last('/') ;
    if(islash<sDigitsFileName.Length())
      sDigitsFileName.Remove(islash+1,sDigitsFileName.Length()) ;
    else
      sDigitsFileName="" ;
    // Next - append the file name 
    sDigitsFileName+="PHOS.SDigits." ;
    if((strcmp(GetName(),"Default")!=0)&&(strcmp(GetName(),"")!=0)){
      sDigitsFileName+=GetName() ;
      sDigitsFileName+="." ;
    }
    sDigitsFileName+="root" ;
    // Finally - check if the file already opened or open the file
    fSplitFile = static_cast<TFile*>(gROOT->GetFile(sDigitsFileName.Data()));   
    if(!fSplitFile)
      fSplitFile =  TFile::Open(sDigitsFileName.Data(),"update") ;
  }

  TString sdname(GetName() );
  sdname.Append(":") ;
  sdname.Append(GetTitle() ) ;
  SetName(sdname) ;
  gime->PostSDigitizer(this) ;
}

//____________________________________________________________________________ 
void AliPHOSSDigitizer::InitParameters()
{ 
  // initializes the parameters for difitization
  fA             = 0;
  fB             = 10000000.;
  fPrimThreshold = 0.01 ;
  fSDigitsInRun  = 0 ;
  fSplitFile     = 0 ; 
  fToSplit       = kFALSE ;
}

//____________________________________________________________________________
void AliPHOSSDigitizer::Exec(Option_t *option) 
{ 
  // Collects all hits in the same active volume into digit

  if( strcmp(GetName(), "") == 0 )
    Init() ;
  
  if (strstr(option, "print") ) {
    Print("") ; 
    return ; 
  }

  if(strstr(option,"tim"))
    gBenchmark->Start("PHOSSDigitizer");
  
  //Check, if this branch already exits
  AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ;
  if(gime->BranchExists("SDigits") ) 
    return;   

  TString sdname(GetName()) ;
  sdname.Remove(sdname.Index(GetTitle())-1) ;
   
  Int_t nevents = gime->MaxEvent() ; 
  Int_t ievent ;
  for(ievent = 0; ievent < nevents; ievent++){
    gime->Event(ievent,"H") ;
    const TClonesArray * hits = gime->Hits() ;
    TClonesArray * sdigits = gime->SDigits(sdname.Data()) ;
    sdigits->Clear();
    Int_t nSdigits = 0 ;
    
    //Now make SDigits from hits, for PHOS it is the same, so just copy    
    Int_t nPrim =  static_cast<Int_t>((gAlice->TreeH())->GetEntries()) ; 
    // Attention nPrim is the number of primaries tracked by Geant 
    // and this number could be different to the number of Primaries in TreeK;
    Int_t iprim ;
    for (iprim = 0 ; iprim < nPrim ; iprim ++) { 
      //=========== Get the PHOS branch from Hits Tree for the Primary iprim
      gime->Track(iprim) ;
      Int_t i;
      for ( i = 0 ; i < hits->GetEntries() ; i++ ) {
	AliPHOSHit * hit = dynamic_cast<AliPHOSHit *>(hits->At(i)) ;
	// Assign primary number only if contribution is significant
	
	if( hit->GetEnergy() > fPrimThreshold)
	  new((*sdigits)[nSdigits]) AliPHOSDigit(hit->GetPrimary(),hit->GetId(),
						 Digitize(hit->GetEnergy()), hit->GetTime()) ;
	else
	  new((*sdigits)[nSdigits]) AliPHOSDigit( -1              , hit->GetId(), 
						  Digitize(hit->GetEnergy()), hit->GetTime()) ;
	nSdigits++ ;	
	
      }
      
    } // loop over iprim
    
    sdigits->Sort() ;
    
    nSdigits = sdigits->GetEntriesFast() ;
    fSDigitsInRun += nSdigits ;  
    sdigits->Expand(nSdigits) ;
    
    Int_t i ;
    for (i = 0 ; i < nSdigits ; i++) { 
      AliPHOSDigit * digit = dynamic_cast<AliPHOSDigit *>(sdigits->At(i)) ; 
      digit->SetIndexInList(i) ;     
    }

    //Now write SDigits
    
    if((gAlice->TreeS() == 0)|| (fSplitFile))  
      gAlice->MakeTree("S", fSplitFile);
    
    if(fSplitFile)
      fSplitFile->cd() ;

    //First list of sdigits
    Int_t bufferSize = 32000 ;
    TBranch * sdigitsBranch = gAlice->TreeS()->Branch("PHOS",&sdigits,bufferSize);
    sdigitsBranch->SetTitle(sdname);
    
    //Next - SDigitizer
    Int_t splitlevel = 0 ;
    AliPHOSSDigitizer * sd = this ;
    TBranch * sdigitizerBranch = gAlice->TreeS()->Branch("AliPHOSSDigitizer","AliPHOSSDigitizer",
							 &sd,bufferSize,splitlevel);
    sdigitizerBranch->SetTitle(sdname);
    
    sdigitsBranch->Fill() ;
    sdigitizerBranch->Fill() ;

    gAlice->TreeS()->AutoSave() ;
        
    if(strstr(option,"deb"))
      PrintSDigits(option) ;
  }
  
  if(strstr(option,"tim")){
    gBenchmark->Stop("PHOSSDigitizer");
    Info("Exec","   took %f seconds for SDigitizing  %f seconds per event",
	 gBenchmark->GetCpuTime("PHOSSDigitizer"), gBenchmark->GetCpuTime("PHOSSDigitizer")/nevents) ;
  }
}

//__________________________________________________________________
void AliPHOSSDigitizer::SetSDigitsBranch(const char * title )
{
  // Setting title to branch SDigits 

  TString stitle(title) ;

  // check if branch with title already exists
  TBranch * sdigitsBranch    = 
    static_cast<TBranch*>(gAlice->TreeS()->GetListOfBranches()->FindObject("PHOS")) ; 
  TBranch * sdigitizerBranch =  
    static_cast<TBranch*>(gAlice->TreeS()->GetListOfBranches()->FindObject("AliPHOSSDigitizer")) ;
  const char * sdigitsTitle    = sdigitsBranch ->GetTitle() ;  
  const char * sdigitizerTitle = sdigitizerBranch ->GetTitle() ;
  if ( stitle.CompareTo(sdigitsTitle)==0 || stitle.CompareTo(sdigitizerTitle)==0 ){
    Error("SetSDigitsBranch", "Cannot overwrite existing branch with title %s", title) ;
    return ;
  }
  
  Info("SetSDigitsBranch", "-> Changing SDigits file from %s to %s", GetName(), title) ;

  SetName(title) ; 
    
  // Post to the WhiteBoard
  AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ; 
  gime->PostSDigits( title, GetTitle()) ; 
}


//__________________________________________________________________
void AliPHOSSDigitizer::Print(Option_t* option)const
{
  // Prints parameters of SDigitizer
  TString message ; 
  message  = "\n------------------- %s -------------\n" ;  
  message += "   Writing SDigits to branch with title  %s\n" ;
  message += "   with digitization parameters  A = %f\n" ; 
  message += "                                 B = %f\n" ;
  message += "   Threshold for Primary assignment= %f\n" ; 
  message += "---------------------------------------------------\n" ;
  Info("Print", message.Data(),  GetName(),  GetName(), fA, fB, fPrimThreshold ) ;
  
}

//__________________________________________________________________
Bool_t AliPHOSSDigitizer::operator==( AliPHOSSDigitizer const &sd )const
{
  // Equal operator.
  // SDititizers are equal if their pedestal, slope and threshold are equal

  if( (fA==sd.fA)&&(fB==sd.fB)&&(fPrimThreshold==sd.fPrimThreshold))
    return kTRUE ;
  else
    return kFALSE ;
}

//__________________________________________________________________
void AliPHOSSDigitizer::PrintSDigits(Option_t * option)
{
  // Prints list of digits produced in the current pass of AliPHOSDigitizer


  AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ; 
  TString sdname(GetName()) ;
  sdname.Remove(sdname.Index(GetTitle())-1) ;
  const TClonesArray * sdigits = gime->SDigits(sdname.Data()) ;

  TString message ; 
  message  = "\nAliPHOSSDigitiser: event " ;
  message += gAlice->GetEvNumber(); 
  message += "\n      Number of entries in SDigits list " ;  
  message += sdigits->GetEntriesFast() ; 
  char * tempo = new char[8192]; 
  
  if(strstr(option,"all")||strstr(option,"EMC")){
    
    //loop over digits
    AliPHOSDigit * digit;
    message += "\nEMC sdigits\n" ;
    message += "\n   Id  Amplitude    Time          Index Nprim: Primaries list \n" ;    
    Int_t maxEmc = gime->PHOSGeometry()->GetNModules()*gime->PHOSGeometry()->GetNCristalsInModule() ;
    Int_t index ;
    for (index = 0 ; (index < sdigits->GetEntriesFast()) && 
	 ((dynamic_cast<AliPHOSDigit *> (sdigits->At(index)))->GetId() <= maxEmc) ; index++) {
      digit = dynamic_cast<AliPHOSDigit *>( sdigits->At(index) ) ;
      if(digit->GetNprimary() == 0) 
	continue;
      sprintf(tempo, "\n%6d  %8d    %6.5e %4d      %2d :",
	      digit->GetId(), digit->GetAmp(), digit->GetTime(), digit->GetIndexInList(), digit->GetNprimary()) ;  
      message += tempo ; 
      Int_t iprimary;
      for (iprimary=0; iprimary<digit->GetNprimary(); iprimary++) {
	sprintf(tempo, "%d ",digit->GetPrimary(iprimary+1) ) ; 
	message += tempo ; 
      }  
    }    
  }

  if(strstr(option,"all")||strstr(option,"CPV")){
    
    //loop over CPV digits
    AliPHOSDigit * digit;
    
    message += "CPV sdigits\n" ;
    message += "\n   Id  Amplitude    Index Nprim: Primaries list \n" ;    
    Int_t maxEmc = gime->PHOSGeometry()->GetNModules()*gime->PHOSGeometry()->GetNCristalsInModule() ;
    Int_t index ;
    for (index = 0 ; index < sdigits->GetEntriesFast(); index++) {
      digit = dynamic_cast<AliPHOSDigit *>( sdigits->At(index) ) ;
      if(digit->GetId() > maxEmc){
	sprintf(tempo, "\n%6d  %8d    %4d      %2d :",
		digit->GetId(), digit->GetAmp(), digit->GetIndexInList(), digit->GetNprimary()) ;  
	message += tempo ; 
	Int_t iprimary;
	for (iprimary=0; iprimary<digit->GetNprimary(); iprimary++) {
	  sprintf(tempo, "%d ",digit->GetPrimary(iprimary+1) ) ; 
	  message += tempo ; 
	}
      }    
    }
  }
  delete tempo ; 
  Info("PrintSDigits", message.Data() ) ;
}

//____________________________________________________________________________ 
void AliPHOSSDigitizer::UseHitsFrom(const char * filename)
{
  SetTitle(filename) ; 
  Init() ; 
}
Commit	Line	Data
990119d6	1	/**************************************************************************
	2	* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
	3	* *
	4	* Author: The ALICE Off-line Project. *
	5	* Contributors are mentioned in the code where appropriate. *
	6	* *
	7	* Permission to use, copy, modify and distribute this software and its *
	8	* documentation strictly for non-commercial purposes is hereby granted *
	9	* without fee, provided that the above copyright notice appears in all *
	10	* copies and that both the copyright notice and this permission notice *
	11	* appear in the supporting documentation. The authors make no claims *
	12	* about the suitability of this software for any purpose. It is *
	13	* provided "as is" without express or implied warranty. *
	14	**************************************************************************/
	15
c093f031	16
990119d6	17	/* $Id$ */
	18
	19	//_________________________________________________________________________
7acf6008	20	// This is a TTask that makes SDigits out of Hits
7b7c1533	21	// The name of the TTask is also the title of the branch that will contain
	22	// the created SDigits
	23	// The title of the TTAsk is the name of the file that contains the hits from
	24	// which the SDigits are created
7acf6008	25	// A Summable Digits is the sum of all hits originating
	26	// from one primary in one active cell
	27	// A threshold for assignment of the primary to SDigit is applied
	28	// SDigits are written to TreeS, branch "PHOS"
	29	// AliPHOSSDigitizer with all current parameters is written
	30	// to TreeS branch "AliPHOSSDigitizer".
f035f6ce	31	// Both branches have the same title. If necessary one can produce
	32	// another set of SDigits with different parameters. Two versions
	33	// can be distunguished using titles of the branches.
	34	// User case:
a4e98857	35	// root [0] AliPHOSSDigitizer * s = new AliPHOSSDigitizer("galice.root")
	36	// Warning in <TDatabasePDG::TDatabasePDG>: object already instantiated
	37	// root [1] s->ExecuteTask()
f035f6ce	38	// // Makes SDigitis for all events stored in galice.root
a4e98857	39	// root [2] s->SetPedestalParameter(0.001)
f035f6ce	40	// // One can change parameters of digitization
3de072dc	41	// root [3] s->SetSDigitsBranch("Pedestal 0.001")
f035f6ce	42	// // and write them into the new branch
3de072dc	43	// root [4] s->ExecuteTask("deb all tim")
f035f6ce	44	// // available parameters:
	45	// deb - print # of produced SDigitis
	46	// deb all - print # and list of produced SDigits
	47	// tim - print benchmarking information
990119d6	48	//
	49	//*-- Author : Dmitri Peressounko (SUBATECH & KI)
	50	//////////////////////////////////////////////////////////////////////////////
	51
f035f6ce	52
990119d6	53	// --- ROOT system ---
7acf6008	54	#include "TFile.h"
7acf6008	55	#include "TROOT.h"
7acf6008	56	#include "TBenchmark.h"
106fc2fa	57
990119d6	58	// --- Standard library ---
	59
	60	// --- AliRoot header files ---
7acf6008	61	#include "AliRun.h"
990119d6	62	#include "AliPHOSDigit.h"
7b7c1533	63	#include "AliPHOSGetter.h"
990119d6	64	#include "AliPHOSHit.h"
990119d6	65	#include "AliPHOSSDigitizer.h"
990119d6	66
990119d6	67	ClassImp(AliPHOSSDigitizer)
	68
	69
	70	//____________________________________________________________________________
548f0134	71	AliPHOSSDigitizer::AliPHOSSDigitizer():TTask("","")
548f0134	72	{
990119d6	73	// ctor
92f521a9	74	InitParameters() ;
92f521a9	75	fDefaultInit = kTRUE ;
990119d6	76	}
7acf6008	77
990119d6	78	//____________________________________________________________________________
fbf811ec	79	AliPHOSSDigitizer::AliPHOSSDigitizer(const char * headerFile, const char * sDigitsTitle, const Bool_t toSplit):
fbf811ec	80	TTask(sDigitsTitle, headerFile)
990119d6	81	{
990119d6	82	// ctor
8d0f3f77	83	InitParameters() ;
fbf811ec	84	fToSplit = toSplit ;
2bd5457f	85	Init();
92f521a9	86	fDefaultInit = kFALSE ;
990119d6	87	}
990119d6	88
bdc147a9	89	//____________________________________________________________________________
	90	AliPHOSSDigitizer::AliPHOSSDigitizer(const AliPHOSSDigitizer & sd) {
	91	//cpy ctor
	92
	93	fA = sd.fA ;
	94	fB = sd.fB ;
	95	fPrimThreshold = sd.fPrimThreshold ;
	96	fSDigitsInRun = sd.fSDigitsInRun ;
	97	fSplitFile = new TFile( (sd.fSplitFile)->GetName(), "new") ;
	98	fToSplit = sd.fToSplit ;
	99	}
	100
c093f031	101	//____________________________________________________________________________
	102	AliPHOSSDigitizer::~AliPHOSSDigitizer()
	103	{
79bb1b62	104	// dtor
79bb1b62	105
8d0f3f77	106	fSplitFile = 0 ;
c093f031	107	}
7b7c1533	108
7acf6008	109	//____________________________________________________________________________
a4e98857	110	void AliPHOSSDigitizer::Init()
a4e98857	111	{
2bd5457f	112	// Initialization: open root-file, allocate arrays for hits and sdigits,
	113	// attach task SDigitizer to the list of PHOS tasks
	114	//
a4e98857	115	// Initialization can not be done in the default constructor
7b7c1533	116	//============================================================= YS
	117	// The initialisation is now done by AliPHOSGetter
	118
	119	if( strcmp(GetTitle(), "") == 0 )
	120	SetTitle("galice.root") ;
85f78bbc	121
fbf811ec	122	AliPHOSGetter * gime = AliPHOSGetter::GetInstance(GetTitle(), GetName(),fToSplit) ;
7b7c1533	123	if ( gime == 0 ) {
21cd0c07	124	Error("Init" ,"Could not obtain the Getter object !") ;
7b7c1533	125	return ;
	126	}
	127
5ad40cd6	128	gime->PostSDigits( GetName(), GetTitle() ) ;
5ad40cd6	129
fbf811ec	130	fSplitFile = 0 ;
	131	if(fToSplit){
	132	// construct the name of the file as /path/PHOS.SDigits.root
	133	// First - extract full path if necessary
	134	TString sDigitsFileName(GetTitle()) ;
	135	Ssiz_t islash = sDigitsFileName.Last('/') ;
	136	if(islash<sDigitsFileName.Length())
	137	sDigitsFileName.Remove(islash+1,sDigitsFileName.Length()) ;
	138	else
	139	sDigitsFileName="" ;
	140	// Next - append the file name
	141	sDigitsFileName+="PHOS.SDigits." ;
	142	if((strcmp(GetName(),"Default")!=0)&&(strcmp(GetName(),"")!=0)){
	143	sDigitsFileName+=GetName() ;
	144	sDigitsFileName+="." ;
	145	}
	146	sDigitsFileName+="root" ;
	147	// Finally - check if the file already opened or open the file
	148	fSplitFile = static_cast<TFile*>(gROOT->GetFile(sDigitsFileName.Data()));
	149	if(!fSplitFile)
	150	fSplitFile = TFile::Open(sDigitsFileName.Data(),"update") ;
	151	}
	152
5ad40cd6	153	TString sdname(GetName() );
	154	sdname.Append(":") ;
	155	sdname.Append(GetTitle() ) ;
	156	SetName(sdname) ;
	157	gime->PostSDigitizer(this) ;
7acf6008	158	}
7b7c1533	159
8d0f3f77	160	//____________________________________________________________________________
	161	void AliPHOSSDigitizer::InitParameters()
	162	{
bdc147a9	163	// initializes the parameters for difitization
8d0f3f77	164	fA = 0;
	165	fB = 10000000.;
	166	fPrimThreshold = 0.01 ;
	167	fSDigitsInRun = 0 ;
	168	fSplitFile = 0 ;
fbf811ec	169	fToSplit = kFALSE ;
8d0f3f77	170	}
8d0f3f77	171
990119d6	172	//____________________________________________________________________________
a4e98857	173	void AliPHOSSDigitizer::Exec(Option_t *option)
	174	{
	175	// Collects all hits in the same active volume into digit
548f0134	176
7b7c1533	177	if( strcmp(GetName(), "") == 0 )
7acf6008	178	Init() ;
7b7c1533	179
	180	if (strstr(option, "print") ) {
	181	Print("") ;
	182	return ;
	183	}
990119d6	184
7acf6008	185	if(strstr(option,"tim"))
7acf6008	186	gBenchmark->Start("PHOSSDigitizer");
fbf811ec	187
7b7c1533	188	//Check, if this branch already exits
fbf811ec	189	AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ;
	190	if(gime->BranchExists("SDigits") )
	191	return;
a2d8b8a4	192
	193	TString sdname(GetName()) ;
	194	sdname.Remove(sdname.Index(GetTitle())-1) ;
fbf811ec	195
fbf811ec	196	Int_t nevents = gime->MaxEvent() ;
990119d6	197	Int_t ievent ;
7b7c1533	198	for(ievent = 0; ievent < nevents; ievent++){
5ad40cd6	199	gime->Event(ievent,"H") ;
017addb3	200	const TClonesArray * hits = gime->Hits() ;
5ad40cd6	201	TClonesArray * sdigits = gime->SDigits(sdname.Data()) ;
7b7c1533	202	sdigits->Clear();
990119d6	203	Int_t nSdigits = 0 ;
990119d6	204
7b7c1533	205	//Now make SDigits from hits, for PHOS it is the same, so just copy
fbf811ec	206	Int_t nPrim = static_cast<Int_t>((gAlice->TreeH())->GetEntries()) ;
	207	// Attention nPrim is the number of primaries tracked by Geant
	208	// and this number could be different to the number of Primaries in TreeK;
	209	Int_t iprim ;
	210	for (iprim = 0 ; iprim < nPrim ; iprim ++) {
3962b6a1	211	//=========== Get the PHOS branch from Hits Tree for the Primary iprim
3962b6a1	212	gime->Track(iprim) ;
990119d6	213	Int_t i;
7b7c1533	214	for ( i = 0 ; i < hits->GetEntries() ; i++ ) {
7a9d98f9	215	AliPHOSHit * hit = dynamic_cast<AliPHOSHit *>(hits->At(i)) ;
990119d6	216	// Assign primary number only if contribution is significant
9688c1dd	217
990119d6	218	if( hit->GetEnergy() > fPrimThreshold)
9688c1dd	219	new((*sdigits)[nSdigits]) AliPHOSDigit(hit->GetPrimary(),hit->GetId(),
fbf811ec	220	Digitize(hit->GetEnergy()), hit->GetTime()) ;
990119d6	221	else
9688c1dd	222	new((*sdigits)[nSdigits]) AliPHOSDigit( -1 , hit->GetId(),
fbf811ec	223	Digitize(hit->GetEnergy()), hit->GetTime()) ;
9688c1dd	224	nSdigits++ ;
990119d6	225
9688c1dd	226	}
fbf811ec	227
3962b6a1	228	} // loop over iprim
990119d6	229
7b7c1533	230	sdigits->Sort() ;
990119d6	231
7b7c1533	232	nSdigits = sdigits->GetEntriesFast() ;
69866bef	233	fSDigitsInRun += nSdigits ;
7b7c1533	234	sdigits->Expand(nSdigits) ;
fbf811ec	235
3962b6a1	236	Int_t i ;
990119d6	237	for (i = 0 ; i < nSdigits ; i++) {
7a9d98f9	238	AliPHOSDigit * digit = dynamic_cast<AliPHOSDigit *>(sdigits->At(i)) ;
990119d6	239	digit->SetIndexInList(i) ;
990119d6	240	}
3962b6a1	241
fbf811ec	242	//Now write SDigits
	243
	244	if((gAlice->TreeS() == 0)\|\| (fSplitFile))
85f78bbc	245	gAlice->MakeTree("S", fSplitFile);
c093f031	246
fbf811ec	247	if(fSplitFile)
	248	fSplitFile->cd() ;
	249
7acf6008	250	//First list of sdigits
fbf811ec	251	Int_t bufferSize = 32000 ;
7b7c1533	252	TBranch * sdigitsBranch = gAlice->TreeS()->Branch("PHOS",&sdigits,bufferSize);
5ad40cd6	253	sdigitsBranch->SetTitle(sdname);
fbf811ec	254
7b7c1533	255	//Next - SDigitizer
7acf6008	256	Int_t splitlevel = 0 ;
7acf6008	257	AliPHOSSDigitizer * sd = this ;
7b7c1533	258	TBranch * sdigitizerBranch = gAlice->TreeS()->Branch("AliPHOSSDigitizer","AliPHOSSDigitizer",
fbf811ec	259	&sd,bufferSize,splitlevel);
5ad40cd6	260	sdigitizerBranch->SetTitle(sdname);
fbf811ec	261
fbf811ec	262	sdigitsBranch->Fill() ;
c093f031	263	sdigitizerBranch->Fill() ;
fbf811ec	264
42d2745f	265	gAlice->TreeS()->AutoSave() ;
fbf811ec	266
7acf6008	267	if(strstr(option,"deb"))
7acf6008	268	PrintSDigits(option) ;
990119d6	269	}
fbf811ec	270
7acf6008	271	if(strstr(option,"tim")){
7acf6008	272	gBenchmark->Stop("PHOSSDigitizer");
21cd0c07	273	Info("Exec"," took %f seconds for SDigitizing %f seconds per event",
21cd0c07	274	gBenchmark->GetCpuTime("PHOSSDigitizer"), gBenchmark->GetCpuTime("PHOSSDigitizer")/nevents) ;
7acf6008	275	}
990119d6	276	}
106fc2fa	277
990119d6	278	//__________________________________________________________________
a4e98857	279	void AliPHOSSDigitizer::SetSDigitsBranch(const char * title )
	280	{
	281	// Setting title to branch SDigits
7b7c1533	282
	283	TString stitle(title) ;
	284
	285	// check if branch with title already exists
7a9d98f9	286	TBranch * sdigitsBranch =
	287	static_cast<TBranch*>(gAlice->TreeS()->GetListOfBranches()->FindObject("PHOS")) ;
	288	TBranch * sdigitizerBranch =
	289	static_cast<TBranch*>(gAlice->TreeS()->GetListOfBranches()->FindObject("AliPHOSSDigitizer")) ;
7b7c1533	290	const char * sdigitsTitle = sdigitsBranch ->GetTitle() ;
	291	const char * sdigitizerTitle = sdigitizerBranch ->GetTitle() ;
	292	if ( stitle.CompareTo(sdigitsTitle)==0 \|\| stitle.CompareTo(sdigitizerTitle)==0 ){
21cd0c07	293	Error("SetSDigitsBranch", "Cannot overwrite existing branch with title %s", title) ;
7b7c1533	294	return ;
	295	}
	296
21cd0c07	297	Info("SetSDigitsBranch", "-> Changing SDigits file from %s to %s", GetName(), title) ;
7b7c1533	298
	299	SetName(title) ;
	300
	301	// Post to the WhiteBoard
	302	AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ;
5ad40cd6	303	gime->PostSDigits( title, GetTitle()) ;
990119d6	304	}
7b7c1533	305
106fc2fa	306
990119d6	307	//__________________________________________________________________
a4e98857	308	void AliPHOSSDigitizer::Print(Option_t* option)const
	309	{
	310	// Prints parameters of SDigitizer
21cd0c07	311	TString message ;
	312	message = "\n------------------- %s -------------\n" ;
	313	message += " Writing SDigits to branch with title %s\n" ;
	314	message += " with digitization parameters A = %f\n" ;
	315	message += " B = %f\n" ;
	316	message += " Threshold for Primary assignment= %f\n" ;
	317	message += "---------------------------------------------------\n" ;
	318	Info("Print", message.Data(), GetName(), GetName(), fA, fB, fPrimThreshold ) ;
7acf6008	319
990119d6	320	}
548f0134	321
990119d6	322	//__________________________________________________________________
a4e98857	323	Bool_t AliPHOSSDigitizer::operator==( AliPHOSSDigitizer const &sd )const
a4e98857	324	{
3de072dc	325	// Equal operator.
	326	// SDititizers are equal if their pedestal, slope and threshold are equal
	327
990119d6	328	if( (fA==sd.fA)&&(fB==sd.fB)&&(fPrimThreshold==sd.fPrimThreshold))
	329	return kTRUE ;
	330	else
	331	return kFALSE ;
	332	}
548f0134	333
a6eedfad	334	//__________________________________________________________________
a4e98857	335	void AliPHOSSDigitizer::PrintSDigits(Option_t * option)
	336	{
	337	// Prints list of digits produced in the current pass of AliPHOSDigitizer
7b7c1533	338
a6eedfad	339
7b7c1533	340	AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ;
5ad40cd6	341	TString sdname(GetName()) ;
5ad40cd6	342	sdname.Remove(sdname.Index(GetTitle())-1) ;
21cd0c07	343	const TClonesArray * sdigits = gime->SDigits(sdname.Data()) ;
7b7c1533	344
21cd0c07	345	TString message ;
	346	message = "\nAliPHOSSDigitiser: event " ;
	347	message += gAlice->GetEvNumber();
	348	message += "\n Number of entries in SDigits list " ;
	349	message += sdigits->GetEntriesFast() ;
11f9c5ff	350	char * tempo = new char[8192];
21cd0c07	351
a6eedfad	352	if(strstr(option,"all")\|\|strstr(option,"EMC")){
7acf6008	353
	354	//loop over digits
	355	AliPHOSDigit * digit;
21cd0c07	356	message += "\nEMC sdigits\n" ;
11f9c5ff	357	message += "\n Id Amplitude Time Index Nprim: Primaries list \n" ;
a6eedfad	358	Int_t maxEmc = gime->PHOSGeometry()->GetNModules()*gime->PHOSGeometry()->GetNCristalsInModule() ;
7acf6008	359	Int_t index ;
a6eedfad	360	for (index = 0 ; (index < sdigits->GetEntriesFast()) &&
fbf811ec	361	((dynamic_cast<AliPHOSDigit *> (sdigits->At(index)))->GetId() <= maxEmc) ; index++) {
fbf811ec	362	digit = dynamic_cast<AliPHOSDigit *>( sdigits->At(index) ) ;
21cd0c07	363	if(digit->GetNprimary() == 0)
21cd0c07	364	continue;
11f9c5ff	365	sprintf(tempo, "\n%6d %8d %6.5e %4d %2d :",
	366	digit->GetId(), digit->GetAmp(), digit->GetTime(), digit->GetIndexInList(), digit->GetNprimary()) ;
	367	message += tempo ;
7acf6008	368	Int_t iprimary;
11f9c5ff	369	for (iprimary=0; iprimary<digit->GetNprimary(); iprimary++) {
	370	sprintf(tempo, "%d ",digit->GetPrimary(iprimary+1) ) ;
	371	message += tempo ;
	372	}
a6eedfad	373	}
a6eedfad	374	}
	375
	376	if(strstr(option,"all")\|\|strstr(option,"CPV")){
7acf6008	377
a6eedfad	378	//loop over CPV digits
a6eedfad	379	AliPHOSDigit * digit;
21cd0c07	380
21cd0c07	381	message += "CPV sdigits\n" ;
11f9c5ff	382	message += "\n Id Amplitude Index Nprim: Primaries list \n" ;
a6eedfad	383	Int_t maxEmc = gime->PHOSGeometry()->GetNModules()*gime->PHOSGeometry()->GetNCristalsInModule() ;
	384	Int_t index ;
	385	for (index = 0 ; index < sdigits->GetEntriesFast(); index++) {
fbf811ec	386	digit = dynamic_cast<AliPHOSDigit *>( sdigits->At(index) ) ;
a6eedfad	387	if(digit->GetId() > maxEmc){
11f9c5ff	388	sprintf(tempo, "\n%6d %8d %4d %2d :",
	389	digit->GetId(), digit->GetAmp(), digit->GetIndexInList(), digit->GetNprimary()) ;
	390	message += tempo ;
a6eedfad	391	Int_t iprimary;
21cd0c07	392	for (iprimary=0; iprimary<digit->GetNprimary(); iprimary++) {
11f9c5ff	393	sprintf(tempo, "%d ",digit->GetPrimary(iprimary+1) ) ;
11f9c5ff	394	message += tempo ;
21cd0c07	395	}
a6eedfad	396	}
a6eedfad	397	}
7acf6008	398	}
11f9c5ff	399	delete tempo ;
21cd0c07	400	Info("PrintSDigits", message.Data() ) ;
7acf6008	401	}
7b7c1533	402
	403	//____________________________________________________________________________
	404	void AliPHOSSDigitizer::UseHitsFrom(const char * filename)
	405	{
	406	SetTitle(filename) ;
	407	Init() ;
	408	}