[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.                  *
 **************************************************************************/


/* $Id$ */

/* History of cvs commits:
 *
 * $Log$
 * Revision 1.56  2007/10/19 18:04:29  schutz
 * The standalone QA data maker is called from AliSimulation and AliReconstruction outside the event loop; i.e. re-reading the data. The QA data making in the event loop has been commented out.
 *
 * Revision 1.55  2007/10/14 21:08:10  schutz
 * Introduced the checking of QA results from previous step before entering the event loop
 *
 * Revision 1.54  2007/10/10 09:05:10  schutz
 * Changing name QualAss to QA
 *
 * Revision 1.53  2007/09/30 17:08:20  schutz
 * Introducing the notion of QA data acquisition cycle (needed by online)
 *
 * Revision 1.52  2007/09/26 14:22:18  cvetan
 * Important changes to the reconstructor classes. Complete elimination of the run-loaders, which are now steered only from AliReconstruction. Removal of the corresponding Reconstruct() and FillESD() methods.
 *
 * Revision 1.51  2007/08/07 14:12:03  kharlov
 * Quality assurance added (Yves Schutz)
 */

//_________________________________________________________________________
// 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 "TBenchmark.h"

// --- Standard library ---

// --- AliRoot header files ---
#include "AliLog.h"
#include "AliPHOSGeometry.h" 
#include "AliPHOSDigit.h"
#include "AliPHOSLoader.h"
#include "AliPHOSHit.h"
#include "AliPHOSSDigitizer.h"

ClassImp(AliPHOSSDigitizer)

           
//____________________________________________________________________________ 
AliPHOSSDigitizer::AliPHOSSDigitizer() : 
  TTask("",""),
  fPrimThreshold(0.f),
  fDefaultInit(kTRUE),
  fEventFolderName(""),
  fInit(kFALSE),
  fSDigitsInRun(0),
  fFirstEvent(0),
  fLastEvent(0)
{
  // ctor
  // Intialize the quality assurance data maker 	
}

//____________________________________________________________________________ 
AliPHOSSDigitizer::AliPHOSSDigitizer(const char * alirunFileName, 
				     const char * eventFolderName):
  TTask("PHOS"+AliConfig::Instance()->GetSDigitizerTaskName(), alirunFileName),
  fPrimThreshold(0.f),
  fDefaultInit(kFALSE),
  fEventFolderName(eventFolderName),
  fInit(kFALSE),
  fSDigitsInRun(0),
  fFirstEvent(0),
  fLastEvent(0)
{
  // ctor
  InitParameters() ; 
  Init();
  fDefaultInit = kFALSE ; 
}

//____________________________________________________________________________
AliPHOSSDigitizer::AliPHOSSDigitizer(const AliPHOSSDigitizer& sd) :
  TTask(sd.GetName(), sd.GetTitle()),
  fPrimThreshold(sd.fPrimThreshold),
  fDefaultInit(kFALSE),
  fEventFolderName(sd.fEventFolderName),
  fInit(kFALSE),
  fSDigitsInRun(sd.fSDigitsInRun),
  fFirstEvent(sd.fFirstEvent),
  fLastEvent(sd.fLastEvent)
{ 
  // cpy ctor
}

//_____________________________________________________________________________
AliPHOSSDigitizer& AliPHOSSDigitizer::operator = (const AliPHOSSDigitizer& qa)
{
// assignment operator

  this->~AliPHOSSDigitizer();
  new(this) AliPHOSSDigitizer(qa);
  return *this;
}

//____________________________________________________________________________ 
AliPHOSSDigitizer::~AliPHOSSDigitizer() {
  //dtor
  AliRunLoader* rl = AliRunLoader::GetRunLoader(fEventFolderName) ;
  if(rl){
    AliPHOSLoader * phosLoader = 
      dynamic_cast<AliPHOSLoader*>(rl->GetLoader("PHOSLoader"));
    phosLoader->CleanSDigitizer() ;
  }
}

//____________________________________________________________________________ 
void AliPHOSSDigitizer::Init()
{
  // Uses the Loader to access the required files
  
  fInit = kTRUE ; 
  
  //to prevent cleaning of this object while GetEvent is called
  AliRunLoader* rl = AliRunLoader::GetRunLoader(fEventFolderName) ;
  if (!rl)
    rl = AliRunLoader::Open(GetTitle(), fEventFolderName) ; 

  AliPHOSLoader * phosLoader = dynamic_cast<AliPHOSLoader*>(rl->GetLoader("PHOSLoader"));
  phosLoader->PostSDigitizer(this);
  phosLoader->GetSDigitsDataLoader()->GetBaseTaskLoader()->SetDoNotReload(kTRUE);
}

//____________________________________________________________________________ 
void AliPHOSSDigitizer::InitParameters()
{ 
  // initializes the parameters for digitization
  fPrimThreshold = 0.01 ;
  fSDigitsInRun  = 0 ;
}

//____________________________________________________________________________
void AliPHOSSDigitizer::Exec(Option_t *option) 
{ 
  // Steering method to produce summable digits for events
  // in the range from fFirstEvent to fLastEvent.
  // This range is optionally set by SetEventRange().
  // if fLastEvent=-1 (by default), then process events until the end.
  //
  // Summable digit is a sum of all hits in the same active
  // volume into digit
  
  if (strstr(option, "print") ) {
    Print() ; 
    return ; 
  }

  if(strstr(option,"tim"))
    gBenchmark->Start("PHOSSDigitizer");
  
/*
	// check the QA result for RAWS
  AliQAv1 * qa = AliQAv1::Instance(AliQAv1::kPHOS) ; 
  if ( qa->IsSet(AliQAv1::kPHOS, AliQAv1::kRAW, AliQAv1::kFATAL)) {
	AliFatal("QA status in RAW was Fatal") ;
  } else if ( qa->IsSet(AliQAv1::kPHOS, AliQAv1::kRAW, AliQAv1::kERROR)) {
	AliError("QA status in RAW was Error") ;
  } else if ( qa->IsSet(AliQAv1::kPHOS, AliQAv1::kRAW, AliQAv1::kWARNING) ) {
	AliWarning("QA status in RAW was Warning") ;
  } else if ( qa->IsSet(AliQAv1::kPHOS, AliQAv1::kRAW, AliQAv1::kINFO) ) {
	AliInfo("QA status in RAW was Info") ;
  }
*/
  AliRunLoader* rl = AliRunLoader::GetRunLoader(fEventFolderName) ;
  AliPHOSLoader * phosLoader = dynamic_cast<AliPHOSLoader*>(rl->GetLoader("PHOSLoader"));

  //switch off reloading of this task while getting event
  if (!fInit) { // to prevent overwrite existing file
    AliError( Form("Give a version name different from %s", fEventFolderName.Data()) ) ;
    return ;
  }

  if (fLastEvent == -1) 
    fLastEvent = rl->GetNumberOfEvents() - 1 ;
  else 
    fLastEvent = TMath::Min(fFirstEvent, rl->GetNumberOfEvents()); // only one event at the time 
  Int_t nEvents   = fLastEvent - fFirstEvent + 1;
  
  Int_t ievent, i;

  for (ievent = fFirstEvent; ievent <= fLastEvent; ievent++) {    
    rl->GetEvent(ievent) ;
    TTree * treeS = phosLoader->TreeS(); 
    if(!treeS){
      phosLoader->MakeTree("S");
      treeS = phosLoader->TreeS();
    }

    phosLoader->CleanHits() ; 
    phosLoader->LoadHits("READ") ;

    TClonesArray * hits    = phosLoader->Hits() ;
    TClonesArray * sdigits = phosLoader->SDigits() ;
    if( !sdigits ) {
      phosLoader->MakeSDigitsArray() ; 
      sdigits = phosLoader->SDigits() ;
    }
    sdigits->Clear();
    Int_t nSdigits = 0 ;

    //Now make SDigits from hits, for PHOS it is the same, so just copy    
    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(),
					       hit->GetEnergy() ,hit->GetTime()) ;
      else
	new((*sdigits)[nSdigits]) AliPHOSDigit(-1               ,hit->GetId(), 
					       hit->GetEnergy() ,hit->GetTime()) ;
      nSdigits++ ;	
      
    }
 
    sdigits->Sort() ;

    nSdigits = sdigits->GetEntriesFast() ;

    fSDigitsInRun += nSdigits ;  
    sdigits->Expand(nSdigits) ;

    for (i = 0 ; i < nSdigits ; i++) { 
      AliPHOSDigit * digit = dynamic_cast<AliPHOSDigit *>(sdigits->At(i)) ; 
      digit->SetIndexInList(i) ;     
    }

//    // make Quality Assurance data
//
//    if (GetQADataMaker()->IsCycleDone() ) {
//      GetQADataMaker()->EndOfCycle(AliQAv1::kHITS) ; 
//	  GetQADataMaker()->EndOfCycle(AliQAv1::kSDIGITS) ; 
//      GetQADataMaker()->StartOfCycle(AliQAv1::kHITS) ; 
//	  GetQADataMaker()->StartOfCycle(AliQAv1::kSDIGITS, kTRUE) ; 
//   }
//    GetQADataMaker()->Exec(AliQAv1::kHITS, hits) ; 
//    GetQADataMaker()->Exec(AliQAv1::kSDIGITS, sdigits) ; 
//    GetQADataMaker()->Increment() ;
	
    //Now write SDigits

    
    //First list of sdigits

    Int_t bufferSize = 32000 ;
    TBranch * sdigitsBranch = treeS->Branch("PHOS",&sdigits,bufferSize);
    sdigitsBranch->Fill() ;

    phosLoader->WriteSDigits("OVERWRITE");
    phosLoader->WriteSDigitizer("OVERWRITE");

    if(strstr(option,"deb"))
      PrintSDigits(option) ;
      
  }// event loop
  
//  //Write the quality assurance data 
//  GetQADataMaker()->EndOfCycle(AliQAv1::kHITS) ;    
//  GetQADataMaker()->EndOfCycle(AliQAv1::kSDIGITS) ;    
//  GetQADataMaker()->Finish() ;

  Unload();

  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::Print(const Option_t *)const
{
  // Prints parameters of SDigitizer
  Info("Print", "\n------------------- %s -------------", GetName() ) ; 
  printf("   Writing SDigits to branch with title  %s\n", fEventFolderName.Data()) ;
  printf("   Threshold for Primary assignment= %f\n", fPrimThreshold)  ; 
  printf("---------------------------------------------------\n") ;
  
}

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

  if(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

  AliRunLoader* rl = AliRunLoader::GetRunLoader(fEventFolderName) ;
  AliPHOSLoader * phosLoader = dynamic_cast<AliPHOSLoader*>(rl->GetLoader("PHOSLoader"));

  // Get PHOS Geometry object
  AliPHOSGeometry *geom;
  if (!(geom = AliPHOSGeometry::GetInstance())) 
        geom = AliPHOSGeometry::GetInstance("IHEP","");

  const TClonesArray * sdigits = phosLoader->SDigits() ;
  
  Info( "\nPrintSDigits", "event # %d %d sdigits", 
	gAlice->GetEvNumber(), sdigits->GetEntriesFast() ) ; 

  if(strstr(option,"all")||strstr(option,"EMC")){
    
    //loop over digits
    AliPHOSDigit * digit;
    printf("\nEMC sdigits\n") ; 
    Int_t maxEmc = geom->GetNModules() * geom->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;
//       printf("%6d  %8d    %6.5e %4d      %2d :\n", // YVK
      printf("%6d  %.4f    %6.5e %4d      %2d :\n",
  	      digit->GetId(), digit->GetEnergy(), digit->GetTime(), digit->GetIndexInList(), digit->GetNprimary()) ;  
      Int_t iprimary;
      for (iprimary=0; iprimary<digit->GetNprimary(); iprimary++) {
	printf("%d ",digit->GetPrimary(iprimary+1) ) ; 
      }  
    }    
  }

  if(strstr(option,"all")||strstr(option,"CPV")){
    
    //loop over CPV digits
    AliPHOSDigit * digit;
    printf("\nCPV sdigits\n") ; 
    Int_t maxEmc = geom->GetNModules() * geom->GetNCristalsInModule() ;
    Int_t index ;
    for (index = 0 ; index < sdigits->GetEntriesFast(); index++) {
      digit = dynamic_cast<AliPHOSDigit *>( sdigits->At(index) ) ;
      if(digit->GetId() > maxEmc){
	printf("\n%6d  %8d    %4d      %2d :",
		digit->GetId(), digit->GetAmp(), digit->GetIndexInList(), digit->GetNprimary()) ;  
	Int_t iprimary;
	for (iprimary=0; iprimary<digit->GetNprimary(); iprimary++) {
	  printf("%d ",digit->GetPrimary(iprimary+1) ) ; 
	}
      }    
    }
  }
}

//____________________________________________________________________________ 
void AliPHOSSDigitizer::Unload() const
{
  // Unloads the objects from the folder
  AliRunLoader* rl = AliRunLoader::GetRunLoader(fEventFolderName) ;
  AliPHOSLoader * phosLoader = dynamic_cast<AliPHOSLoader*>(rl->GetLoader("PHOSLoader"));
  phosLoader->UnloadHits() ; 
  phosLoader->UnloadSDigits() ; 
}
Commit	Line	Data
	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
	16
	17	/* $Id$ */
	18
	19	/* History of cvs commits:
	20	*
	21	* $Log$
	22	* Revision 1.56 2007/10/19 18:04:29 schutz
	23	* The standalone QA data maker is called from AliSimulation and AliReconstruction outside the event loop; i.e. re-reading the data. The QA data making in the event loop has been commented out.
	24	*
	25	* Revision 1.55 2007/10/14 21:08:10 schutz
	26	* Introduced the checking of QA results from previous step before entering the event loop
	27	*
	28	* Revision 1.54 2007/10/10 09:05:10 schutz
	29	* Changing name QualAss to QA
	30	*
	31	* Revision 1.53 2007/09/30 17:08:20 schutz
	32	* Introducing the notion of QA data acquisition cycle (needed by online)
	33	*
	34	* Revision 1.52 2007/09/26 14:22:18 cvetan
	35	* Important changes to the reconstructor classes. Complete elimination of the run-loaders, which are now steered only from AliReconstruction. Removal of the corresponding Reconstruct() and FillESD() methods.
	36	*
	37	* Revision 1.51 2007/08/07 14:12:03 kharlov
	38	* Quality assurance added (Yves Schutz)
	39	*/
	40
	41	//_________________________________________________________________________
	42	// This is a TTask that makes SDigits out of Hits
	43	// The name of the TTask is also the title of the branch that will contain
	44	// the created SDigits
	45	// The title of the TTAsk is the name of the file that contains the hits from
	46	// which the SDigits are created
	47	// A Summable Digits is the sum of all hits originating
	48	// from one primary in one active cell
	49	// A threshold for assignment of the primary to SDigit is applied
	50	// SDigits are written to TreeS, branch "PHOS"
	51	// AliPHOSSDigitizer with all current parameters is written
	52	// to TreeS branch "AliPHOSSDigitizer".
	53	// Both branches have the same title. If necessary one can produce
	54	// another set of SDigits with different parameters. Two versions
	55	// can be distunguished using titles of the branches.
	56	// User case:
	57	// root [0] AliPHOSSDigitizer * s = new AliPHOSSDigitizer("galice.root")
	58	// Warning in <TDatabasePDG::TDatabasePDG>: object already instantiated
	59	// root [1] s->ExecuteTask()
	60	// // Makes SDigitis for all events stored in galice.root
	61	// root [2] s->SetPedestalParameter(0.001)
	62	// // One can change parameters of digitization
	63	// root [3] s->SetSDigitsBranch("Pedestal 0.001")
	64	// // and write them into the new branch
	65	// root [4] s->ExecuteTask("deb all tim")
	66	// // available parameters:
	67	// deb - print # of produced SDigitis
	68	// deb all - print # and list of produced SDigits
	69	// tim - print benchmarking information
	70	//
	71	//-- Author : Dmitri Peressounko (SUBATECH & KI)
	72	//////////////////////////////////////////////////////////////////////////////
	73
	74
	75	// --- ROOT system ---
	76	#include "TBenchmark.h"
	77
	78	// --- Standard library ---
	79
	80	// --- AliRoot header files ---
	81	#include "AliLog.h"
	82	#include "AliPHOSGeometry.h"
	83	#include "AliPHOSDigit.h"
	84	#include "AliPHOSLoader.h"
	85	#include "AliPHOSHit.h"
	86	#include "AliPHOSSDigitizer.h"
	87
	88	ClassImp(AliPHOSSDigitizer)
	89
	90
	91	//____________________________________________________________________________
	92	AliPHOSSDigitizer::AliPHOSSDigitizer() :
	93	TTask("",""),
	94	fPrimThreshold(0.f),
	95	fDefaultInit(kTRUE),
	96	fEventFolderName(""),
	97	fInit(kFALSE),
	98	fSDigitsInRun(0),
	99	fFirstEvent(0),
	100	fLastEvent(0)
	101	{
	102	// ctor
	103	// Intialize the quality assurance data maker
	104	}
	105
	106	//____________________________________________________________________________
	107	AliPHOSSDigitizer::AliPHOSSDigitizer(const char * alirunFileName,
	108	const char * eventFolderName):
	109	TTask("PHOS"+AliConfig::Instance()->GetSDigitizerTaskName(), alirunFileName),
	110	fPrimThreshold(0.f),
	111	fDefaultInit(kFALSE),
	112	fEventFolderName(eventFolderName),
	113	fInit(kFALSE),
	114	fSDigitsInRun(0),
	115	fFirstEvent(0),
	116	fLastEvent(0)
	117	{
	118	// ctor
	119	InitParameters() ;
	120	Init();
	121	fDefaultInit = kFALSE ;
	122	}
	123
	124	//____________________________________________________________________________
	125	AliPHOSSDigitizer::AliPHOSSDigitizer(const AliPHOSSDigitizer& sd) :
	126	TTask(sd.GetName(), sd.GetTitle()),
	127	fPrimThreshold(sd.fPrimThreshold),
	128	fDefaultInit(kFALSE),
	129	fEventFolderName(sd.fEventFolderName),
	130	fInit(kFALSE),
	131	fSDigitsInRun(sd.fSDigitsInRun),
	132	fFirstEvent(sd.fFirstEvent),
	133	fLastEvent(sd.fLastEvent)
	134	{
	135	// cpy ctor
	136	}
	137
	138	//_____________________________________________________________________________
	139	AliPHOSSDigitizer& AliPHOSSDigitizer::operator = (const AliPHOSSDigitizer& qa)
	140	{
	141	// assignment operator
	142
	143	this->~AliPHOSSDigitizer();
	144	new(this) AliPHOSSDigitizer(qa);
	145	return *this;
	146	}
	147
	148	//____________________________________________________________________________
	149	AliPHOSSDigitizer::~AliPHOSSDigitizer() {
	150	//dtor
	151	AliRunLoader* rl = AliRunLoader::GetRunLoader(fEventFolderName) ;
	152	if(rl){
	153	AliPHOSLoader * phosLoader =
	154	dynamic_cast<AliPHOSLoader*>(rl->GetLoader("PHOSLoader"));
	155	phosLoader->CleanSDigitizer() ;
	156	}
	157	}
	158
	159	//____________________________________________________________________________
	160	void AliPHOSSDigitizer::Init()
	161	{
	162	// Uses the Loader to access the required files
	163
	164	fInit = kTRUE ;
	165
	166	//to prevent cleaning of this object while GetEvent is called
	167	AliRunLoader* rl = AliRunLoader::GetRunLoader(fEventFolderName) ;
	168	if (!rl)
	169	rl = AliRunLoader::Open(GetTitle(), fEventFolderName) ;
	170
	171	AliPHOSLoader * phosLoader = dynamic_cast<AliPHOSLoader*>(rl->GetLoader("PHOSLoader"));
	172	phosLoader->PostSDigitizer(this);
	173	phosLoader->GetSDigitsDataLoader()->GetBaseTaskLoader()->SetDoNotReload(kTRUE);
	174	}
	175
	176	//____________________________________________________________________________
	177	void AliPHOSSDigitizer::InitParameters()
	178	{
	179	// initializes the parameters for digitization
	180	fPrimThreshold = 0.01 ;
	181	fSDigitsInRun = 0 ;
	182	}
	183
	184	//____________________________________________________________________________
	185	void AliPHOSSDigitizer::Exec(Option_t *option)
	186	{
	187	// Steering method to produce summable digits for events
	188	// in the range from fFirstEvent to fLastEvent.
	189	// This range is optionally set by SetEventRange().
	190	// if fLastEvent=-1 (by default), then process events until the end.
	191	//
	192	// Summable digit is a sum of all hits in the same active
	193	// volume into digit
	194
	195	if (strstr(option, "print") ) {
	196	Print() ;
	197	return ;
	198	}
	199
	200	if(strstr(option,"tim"))
	201	gBenchmark->Start("PHOSSDigitizer");
	202
	203	/*
	204	// check the QA result for RAWS
	205	AliQAv1 * qa = AliQAv1::Instance(AliQAv1::kPHOS) ;
	206	if ( qa->IsSet(AliQAv1::kPHOS, AliQAv1::kRAW, AliQAv1::kFATAL)) {
	207	AliFatal("QA status in RAW was Fatal") ;
	208	} else if ( qa->IsSet(AliQAv1::kPHOS, AliQAv1::kRAW, AliQAv1::kERROR)) {
	209	AliError("QA status in RAW was Error") ;
	210	} else if ( qa->IsSet(AliQAv1::kPHOS, AliQAv1::kRAW, AliQAv1::kWARNING) ) {
	211	AliWarning("QA status in RAW was Warning") ;
	212	} else if ( qa->IsSet(AliQAv1::kPHOS, AliQAv1::kRAW, AliQAv1::kINFO) ) {
	213	AliInfo("QA status in RAW was Info") ;
	214	}
	215	*/
	216	AliRunLoader* rl = AliRunLoader::GetRunLoader(fEventFolderName) ;
	217	AliPHOSLoader * phosLoader = dynamic_cast<AliPHOSLoader*>(rl->GetLoader("PHOSLoader"));
	218
	219	//switch off reloading of this task while getting event
	220	if (!fInit) { // to prevent overwrite existing file
	221	AliError( Form("Give a version name different from %s", fEventFolderName.Data()) ) ;
	222	return ;
	223	}
	224
	225	if (fLastEvent == -1)
	226	fLastEvent = rl->GetNumberOfEvents() - 1 ;
	227	else
	228	fLastEvent = TMath::Min(fFirstEvent, rl->GetNumberOfEvents()); // only one event at the time
	229	Int_t nEvents = fLastEvent - fFirstEvent + 1;
	230
	231	Int_t ievent, i;
	232
	233	for (ievent = fFirstEvent; ievent <= fLastEvent; ievent++) {
	234	rl->GetEvent(ievent) ;
	235	TTree * treeS = phosLoader->TreeS();
	236	if(!treeS){
	237	phosLoader->MakeTree("S");
	238	treeS = phosLoader->TreeS();
	239	}
	240
	241	phosLoader->CleanHits() ;
	242	phosLoader->LoadHits("READ") ;
	243
	244	TClonesArray * hits = phosLoader->Hits() ;
	245	TClonesArray * sdigits = phosLoader->SDigits() ;
	246	if( !sdigits ) {
	247	phosLoader->MakeSDigitsArray() ;
	248	sdigits = phosLoader->SDigits() ;
	249	}
	250	sdigits->Clear();
	251	Int_t nSdigits = 0 ;
	252
	253	//Now make SDigits from hits, for PHOS it is the same, so just copy
	254	for ( i = 0 ; i < hits->GetEntries() ; i++ ) {
	255	AliPHOSHit * hit = dynamic_cast<AliPHOSHit *>(hits->At(i)) ;
	256	// Assign primary number only if contribution is significant
	257
	258	if( hit->GetEnergy() > fPrimThreshold)
	259	new((*sdigits)[nSdigits]) AliPHOSDigit(hit->GetPrimary(),hit->GetId(),
	260	hit->GetEnergy() ,hit->GetTime()) ;
	261	else
	262	new((*sdigits)[nSdigits]) AliPHOSDigit(-1 ,hit->GetId(),
	263	hit->GetEnergy() ,hit->GetTime()) ;
	264	nSdigits++ ;
	265
	266	}
	267
	268	sdigits->Sort() ;
	269
	270	nSdigits = sdigits->GetEntriesFast() ;
	271
	272	fSDigitsInRun += nSdigits ;
	273	sdigits->Expand(nSdigits) ;
	274
	275	for (i = 0 ; i < nSdigits ; i++) {
	276	AliPHOSDigit * digit = dynamic_cast<AliPHOSDigit *>(sdigits->At(i)) ;
	277	digit->SetIndexInList(i) ;
	278	}
	279
	280	// // make Quality Assurance data
	281	//
	282	// if (GetQADataMaker()->IsCycleDone() ) {
	283	// GetQADataMaker()->EndOfCycle(AliQAv1::kHITS) ;
	284	// GetQADataMaker()->EndOfCycle(AliQAv1::kSDIGITS) ;
	285	// GetQADataMaker()->StartOfCycle(AliQAv1::kHITS) ;
	286	// GetQADataMaker()->StartOfCycle(AliQAv1::kSDIGITS, kTRUE) ;
	287	// }
	288	// GetQADataMaker()->Exec(AliQAv1::kHITS, hits) ;
	289	// GetQADataMaker()->Exec(AliQAv1::kSDIGITS, sdigits) ;
	290	// GetQADataMaker()->Increment() ;
	291
	292	//Now write SDigits
	293
	294
	295	//First list of sdigits
	296
	297	Int_t bufferSize = 32000 ;
	298	TBranch * sdigitsBranch = treeS->Branch("PHOS",&sdigits,bufferSize);
	299	sdigitsBranch->Fill() ;
	300
	301	phosLoader->WriteSDigits("OVERWRITE");
	302	phosLoader->WriteSDigitizer("OVERWRITE");
	303
	304	if(strstr(option,"deb"))
	305	PrintSDigits(option) ;
	306
	307	}// event loop
	308
	309	// //Write the quality assurance data
	310	// GetQADataMaker()->EndOfCycle(AliQAv1::kHITS) ;
	311	// GetQADataMaker()->EndOfCycle(AliQAv1::kSDIGITS) ;
	312	// GetQADataMaker()->Finish() ;
	313
	314	Unload();
	315
	316	if(strstr(option,"tim")){
	317	gBenchmark->Stop("PHOSSDigitizer");
	318	Info("Exec"," took %f seconds for SDigitizing %f seconds per event",
	319	gBenchmark->GetCpuTime("PHOSSDigitizer"),
	320	gBenchmark->GetCpuTime("PHOSSDigitizer")/nEvents) ;
	321	}
	322
	323	}
	324
	325	//__________________________________________________________________
	326	void AliPHOSSDigitizer::Print(const Option_t *)const
	327	{
	328	// Prints parameters of SDigitizer
	329	Info("Print", "\n------------------- %s -------------", GetName() ) ;
	330	printf(" Writing SDigits to branch with title %s\n", fEventFolderName.Data()) ;
	331	printf(" Threshold for Primary assignment= %f\n", fPrimThreshold) ;
	332	printf("---------------------------------------------------\n") ;
	333
	334	}
	335
	336	//__________________________________________________________________
	337	Bool_t AliPHOSSDigitizer::operator==( AliPHOSSDigitizer const &sd )const
	338	{
	339	// Equal operator.
	340	// SDititizers are equal if their pedestal, slope and threshold are equal
	341
	342	if(fPrimThreshold==sd.fPrimThreshold)
	343	return kTRUE ;
	344	else
	345	return kFALSE ;
	346	}
	347
	348	//__________________________________________________________________
	349	void AliPHOSSDigitizer::PrintSDigits(Option_t * option)
	350	{
	351	// Prints list of digits produced in the current pass of AliPHOSDigitizer
	352
	353	AliRunLoader* rl = AliRunLoader::GetRunLoader(fEventFolderName) ;
	354	AliPHOSLoader * phosLoader = dynamic_cast<AliPHOSLoader*>(rl->GetLoader("PHOSLoader"));
	355
	356	// Get PHOS Geometry object
	357	AliPHOSGeometry *geom;
	358	if (!(geom = AliPHOSGeometry::GetInstance()))
	359	geom = AliPHOSGeometry::GetInstance("IHEP","");
	360
	361	const TClonesArray * sdigits = phosLoader->SDigits() ;
	362
	363	Info( "\nPrintSDigits", "event # %d %d sdigits",
	364	gAlice->GetEvNumber(), sdigits->GetEntriesFast() ) ;
	365
	366	if(strstr(option,"all")\|\|strstr(option,"EMC")){
	367
	368	//loop over digits
	369	AliPHOSDigit * digit;
	370	printf("\nEMC sdigits\n") ;
	371	Int_t maxEmc = geom->GetNModules() * geom->GetNCristalsInModule() ;
	372	Int_t index ;
	373	for (index = 0 ; (index < sdigits->GetEntriesFast()) &&
	374	((dynamic_cast<AliPHOSDigit *> (sdigits->At(index)))->GetId() <= maxEmc) ; index++) {
	375	digit = dynamic_cast<AliPHOSDigit *>( sdigits->At(index) ) ;
	376	// if(digit->GetNprimary() == 0)
	377	// continue;
	378	// printf("%6d %8d %6.5e %4d %2d :\n", // YVK
	379	printf("%6d %.4f %6.5e %4d %2d :\n",
	380	digit->GetId(), digit->GetEnergy(), digit->GetTime(), digit->GetIndexInList(), digit->GetNprimary()) ;
	381	Int_t iprimary;
	382	for (iprimary=0; iprimary<digit->GetNprimary(); iprimary++) {
	383	printf("%d ",digit->GetPrimary(iprimary+1) ) ;
	384	}
	385	}
	386	}
	387
	388	if(strstr(option,"all")\|\|strstr(option,"CPV")){
	389
	390	//loop over CPV digits
	391	AliPHOSDigit * digit;
	392	printf("\nCPV sdigits\n") ;
	393	Int_t maxEmc = geom->GetNModules() * geom->GetNCristalsInModule() ;
	394	Int_t index ;
	395	for (index = 0 ; index < sdigits->GetEntriesFast(); index++) {
	396	digit = dynamic_cast<AliPHOSDigit *>( sdigits->At(index) ) ;
	397	if(digit->GetId() > maxEmc){
	398	printf("\n%6d %8d %4d %2d :",
	399	digit->GetId(), digit->GetAmp(), digit->GetIndexInList(), digit->GetNprimary()) ;
	400	Int_t iprimary;
	401	for (iprimary=0; iprimary<digit->GetNprimary(); iprimary++) {
	402	printf("%d ",digit->GetPrimary(iprimary+1) ) ;
	403	}
	404	}
	405	}
	406	}
	407	}
	408
	409	//____________________________________________________________________________
	410	void AliPHOSSDigitizer::Unload() const
	411	{
	412	// Unloads the objects from the folder
	413	AliRunLoader* rl = AliRunLoader::GetRunLoader(fEventFolderName) ;
	414	AliPHOSLoader * phosLoader = dynamic_cast<AliPHOSLoader*>(rl->GetLoader("PHOSLoader"));
	415	phosLoader->UnloadHits() ;
	416	phosLoader->UnloadSDigits() ;
	417	}