[u/mrichter/AliRoot.git] / VZERO / AliVZEROReconstructor.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.                  *
 **************************************************************************/

/* $Id$ */

///////////////////////////////////////////////////////////////////////////////
///                                                                          //
/// class for VZERO reconstruction                                           //
///                                                                          //
///////////////////////////////////////////////////////////////////////////////

#include "AliRunLoader.h"
#include "AliRawReader.h"
#include "AliGRPObject.h"
#include "AliCDBManager.h"
#include "AliCDBStorage.h"
#include "AliCDBEntry.h"
#include "AliVZEROReconstructor.h"
#include "AliVZERORawStream.h"
#include "AliESDEvent.h"
#include "AliVZEROTriggerMask.h"
#include "AliESDfriend.h"
#include "AliESDVZEROfriend.h"

ClassImp(AliVZEROReconstructor)

//_____________________________________________________________________________
AliVZEROReconstructor:: AliVZEROReconstructor(): AliReconstructor(),
                        fESDVZERO(0x0),
                        fESD(0x0),
                        fESDVZEROfriend(0x0),
                        fCalibData(GetCalibData()),
                        fCollisionMode(0),
                        fBeamEnergy(0.)
{
  // Default constructor  
  // Get calibration data
  
  // fCalibData = GetCalibData(); 

}


//_____________________________________________________________________________
AliVZEROReconstructor& AliVZEROReconstructor::operator = 
  (const AliVZEROReconstructor& /*reconstructor*/)
{
// assignment operator

  Fatal("operator =", "assignment operator not implemented");
  return *this;
}

//_____________________________________________________________________________
AliVZEROReconstructor::~AliVZEROReconstructor()
{
// destructor

   delete fESDVZERO;
   delete fESDVZEROfriend;
}

//_____________________________________________________________________________
void AliVZEROReconstructor::Init()
{
// initializer

  fESDVZERO  = new AliESDVZERO;
  fESDVZEROfriend = new AliESDVZEROfriend;
  
  GetCollisionMode();  // fCollisionMode =1 for Pb-Pb simulated data
}

//______________________________________________________________________
void AliVZEROReconstructor::ConvertDigits(AliRawReader* rawReader, TTree* digitsTree) const
{
// converts RAW to digits - pedestal is subtracted 

  if (!digitsTree) {
    AliError("No digits tree!");
    return;
  }

  TClonesArray* digitsArray = new TClonesArray("AliVZEROdigit");
  digitsTree->Branch("VZERODigit", &digitsArray);

  fESDVZEROfriend->Reset();

  rawReader->Reset();
  AliVZERORawStream rawStream(rawReader);
  if (rawStream.Next()) {  
     Int_t ADC_max[64], adc[64], time[64], width[64], BBFlag[64], BGFlag[64];   
     for(Int_t i=0; i<64; i++) {
         // Search for the maximum charge in the train of 21 LHC clocks 
         // regardless of the integrator which has been operated:
         ADC_max[i] = 0;
	 Int_t imax = 0;
         for(Int_t iClock=0; iClock<21; iClock++){
             if((Int_t)rawStream.GetPedestal(i,iClock) > ADC_max[i])  
	        {ADC_max[i]=(Int_t)rawStream.GetPedestal(i,iClock);
		 imax      = iClock;}
         }
	 // Convert i (FEE channel numbering) to j (aliroot channel numbering)
	 Int_t j   =  rawStream.GetOfflineChannel(i);
	 adc[j]    =  ADC_max[i];
	 time[j]   =  rawStream.GetTime(i);
	 width[j]  =  rawStream.GetWidth(i);
	 BBFlag[j] =  rawStream.GetBBFlag(i,imax);
	 BGFlag[j] =  rawStream.GetBGFlag(i,imax); 

	 // Filling the esd friend object
	 fESDVZEROfriend->SetBBScalers(j,rawStream.GetBBScalers(i));
	 fESDVZEROfriend->SetBGScalers(j,rawStream.GetBGScalers(i));
	 for (Int_t iBunch = 0; iBunch < AliESDVZEROfriend::kNBunches; iBunch++) {
	   fESDVZEROfriend->SetChargeMB(j,iBunch,rawStream.GetChargeMB(i,iBunch));
	   fESDVZEROfriend->SetIntMBFlag(j,iBunch,rawStream.GetIntMBFlag(i,iBunch));
	   fESDVZEROfriend->SetBBMBFlag(j,iBunch,rawStream.GetBBMBFlag(i,iBunch));
	   fESDVZEROfriend->SetBGMBFlag(j,iBunch,rawStream.GetBGMBFlag(i,iBunch));
	 }
	 for (Int_t iEv = 0; iEv < AliESDVZEROfriend::kNEvOfInt; iEv++) {
	   fESDVZEROfriend->SetPedestal(j,iEv,rawStream.GetPedestal(i,iEv));
	   fESDVZEROfriend->SetIntegratorFlag(j,iEv,rawStream.GetIntegratorFlag(i,iEv));
	   fESDVZEROfriend->SetBBFlag(j,iEv,rawStream.GetBBFlag(i,iEv));
	   fESDVZEROfriend->SetBGFlag(j,iEv,rawStream.GetBGFlag(i,iEv));
	 }
	 fESDVZEROfriend->SetTime(j,rawStream.GetTime(i));
	 fESDVZEROfriend->SetWidth(j,rawStream.GetWidth(i));
     }  

     // Filling the esd friend object
     fESDVZEROfriend->SetTriggerInputs(rawStream.GetTriggerInputs());
     fESDVZEROfriend->SetTriggerInputsMask(rawStream.GetTriggerInputsMask());

     for(Int_t iScaler = 0; iScaler < AliESDVZEROfriend::kNScalers; iScaler++)
       fESDVZEROfriend->SetTriggerScalers(iScaler,rawStream.GetTriggerScalers(iScaler));

     for (Int_t iBunch = 0; iBunch < AliESDVZEROfriend::kNBunches; iBunch++)
       fESDVZEROfriend->SetBunchNumbersMB(iBunch,rawStream.GetBunchNumbersMB(iBunch));
     

     // Channels(aliroot numbering) will be ordered in the tree
     for(Int_t iChannel = 0; iChannel < 64; iChannel++) {
         new ((*digitsArray)[digitsArray->GetEntriesFast()])
             AliVZEROdigit(iChannel, adc[iChannel], time[iChannel],
	                   width[iChannel], BBFlag[iChannel], BGFlag[iChannel]);
     }
  }

  digitsTree->Fill();
}

//______________________________________________________________________
void AliVZEROReconstructor::FillESD(TTree* digitsTree, TTree* /*clustersTree*/,
				    AliESDEvent* esd) const
{
// fills multiplicities to the ESD
    
  if (!digitsTree) {
      AliError("No digits tree!");
      return;
  }

  TClonesArray* digitsArray = NULL;
  TBranch* digitBranch = digitsTree->GetBranch("VZERODigit");
  digitBranch->SetAddress(&digitsArray);

  Short_t Multiplicity[64];
  Float_t   mult[64];  
  Short_t    adc[64]; 
  Short_t   time[64]; 
  Short_t  width[64];
  Bool_t  BBFlag[64];
  Bool_t  BGFlag[64];
   
  for (Int_t i=0; i<64; i++){
       adc[i]    = 0;
       mult[i]   = 0.0;
       time[i]   = 0;
       width[i]  = 0;
       BBFlag[i] = kFALSE;
       BGFlag[i] = kFALSE;
  }
     
  // loop over VZERO entries to get multiplicity
  Int_t nEntries = (Int_t)digitsTree->GetEntries();
  for (Int_t e=0; e<nEntries; e++) {
    digitsTree->GetEvent(e);

    Int_t nDigits = digitsArray->GetEntriesFast();
    
    for (Int_t d=0; d<nDigits; d++) {    
        AliVZEROdigit* digit = (AliVZEROdigit*)digitsArray->At(d);      
        Int_t  pmNumber      = digit->PMNumber(); 
        // Pedestal retrieval and suppression: 
        Int_t  pedestal      = int(fCalibData->GetPedestal(d));
        adc[pmNumber]   = (Short_t) digit->ADC() - pedestal; 
        time[pmNumber]  = (Short_t) digit->Time();
	width[pmNumber] = (Short_t) digit->Width();
	BBFlag[pmNumber]= digit->BBFlag();
	BGFlag[pmNumber]= digit->BGFlag();
        // printf("PM = %d,  MIP per ADC channel = %f \n",pmNumber, fCalibData->GetMIPperADC(pmNumber));
        // cut of ADC at 1MIP/2 
	if(fCollisionMode >0) { 
	   Float_t MIP = 2.0;  
           if (adc[pmNumber] > (int(MIP) /2) ) mult[pmNumber] += float(adc[pmNumber])*(1.0/MIP) ;
	   }
           else{    
           if (adc[pmNumber] > (int(1.0/fCalibData->GetMIPperADC(pmNumber)) /2) ) 
	       mult[pmNumber] += float(adc[pmNumber])*fCalibData->GetMIPperADC(pmNumber);
        } 	    
    } // end of loop over digits
  } // end of loop over events in digits tree
  
  for (Int_t j=0; j<64; j++) Multiplicity[j] = short(mult[j]+0.5); 
        
  fESDVZERO->SetMultiplicity(Multiplicity);
  fESDVZERO->SetADC(adc);
  fESDVZERO->SetTime(time);
  fESDVZERO->SetWidth(width);
  fESDVZERO->SetBBFlag(BBFlag);
  fESDVZERO->SetBGFlag(BGFlag);

  // now get the trigger mask

  AliVZEROTriggerMask *TriggerMask = new AliVZEROTriggerMask();
  TriggerMask->SetAdcThreshold(10.0/2.0);
  TriggerMask->SetTimeWindowWidthBBA(50);
  TriggerMask->SetTimeWindowWidthBGA(20);
  TriggerMask->SetTimeWindowWidthBBC(50);
  TriggerMask->SetTimeWindowWidthBGC(20);
  TriggerMask->FillMasks(digitsTree,digitsArray);

  fESDVZERO->SetBBtriggerV0A(TriggerMask->GetBBtriggerV0A());
  fESDVZERO->SetBGtriggerV0A(TriggerMask->GetBGtriggerV0A());
  fESDVZERO->SetBBtriggerV0C(TriggerMask->GetBBtriggerV0C());
  fESDVZERO->SetBGtriggerV0C(TriggerMask->GetBGtriggerV0C());
  
  if (esd) { 
     AliDebug(1, Form("Writing VZERO data to ESD tree"));
     esd->SetVZEROData(fESDVZERO);
  }

  if (esd) {
     AliESDfriend *fr = (AliESDfriend*)esd->FindListObject("AliESDfriend");
     if (fr) {
        AliDebug(1, Form("Writing VZERO friend data to ESD tree"));
        fr->SetVZEROfriend(fESDVZEROfriend);
    }
  }
}

//_____________________________________________________________________________
AliCDBStorage* AliVZEROReconstructor::SetStorage(const char *uri) 
{
// Sets the storage  

  Bool_t deleteManager = kFALSE;
  
  AliCDBManager *manager = AliCDBManager::Instance();
  AliCDBStorage *defstorage = manager->GetDefaultStorage();
  
  if(!defstorage || !(defstorage->Contains("VZERO"))){ 
     AliWarning("No default storage set or default storage doesn't contain VZERO!");
     manager->SetDefaultStorage(uri);
     deleteManager = kTRUE;
  }
 
  AliCDBStorage *storage = manager->GetDefaultStorage();

  if(deleteManager){
     AliCDBManager::Instance()->UnsetDefaultStorage();
     defstorage = 0;   // the storage is killed by AliCDBManager::Instance()->Destroy()
  }

  return storage; 
}

//____________________________________________________________________________
void AliVZEROReconstructor::GetCollisionMode()
{
// Retrieves the collision mode from GRP data

// Initialization of the GRP entry 
  
   Int_t run = AliCDBManager::Instance()->GetRun();
  
//   printf("\n ++++++ Run Number retrieved as %d \n",run);
  
   AliCDBEntry*  entry = AliCDBManager::Instance()->Get("GRP/GRP/Data",run);
   AliGRPObject* grpData = 0x0;
   
  if(entry){
    TMap* m = dynamic_cast<TMap*>(entry->GetObject());  // old GRP entry
    if(m){
       m->Print();
       grpData = new AliGRPObject();
       grpData->ReadValuesFromMap(m);
    }
    else{
       grpData = dynamic_cast<AliGRPObject*>(entry->GetObject());  // new GRP entry
       entry->SetOwner(0);
    }
    AliCDBManager::Instance()->UnloadFromCache("GRP/GRP/Data");
  }

   if(!grpData) { AliError("No GRP entry found in OCDB!");
                  return; }

// Retrieval of simulated collision mode 

  TString beamType = grpData->GetBeamType();
  if(beamType==AliGRPObject::GetInvalidString()){
     AliError("GRP/GRP/Data entry:  missing value for the beam type !");
     AliError("\t VZERO cannot retrieve beam type\n");
     return;
  }

   if( (beamType.CompareTo("P-P") ==0)  || (beamType.CompareTo("p-p") ==0) ){
       fCollisionMode=0;
  }
   else if( (beamType.CompareTo("Pb-Pb") ==0)  || (beamType.CompareTo("A-A") ==0) ){
       fCollisionMode=1;
   }
    
  fBeamEnergy = grpData->GetBeamEnergy();
  if(fBeamEnergy==AliGRPObject::GetInvalidFloat()) {
     AliError("GRP/GRP/Data entry:  missing value for the beam energy ! Using 0");
     fBeamEnergy = 0.;
  }
  
//    printf("\n ++++++ Beam type and collision mode retrieved as %s %d @ %1.3f GeV ++++++\n\n",beamType.Data(), fCollisionMode, fBeamEnergy);

}

//_____________________________________________________________________________
AliVZEROCalibData* AliVZEROReconstructor::GetCalibData() const
{
  // Gets calibration object for VZERO set

  AliCDBManager *man = AliCDBManager::Instance();

  AliCDBEntry *entry=0;

  entry = man->Get("VZERO/Calib/Data");

//   if(!entry){
//     AliWarning("Load of calibration data from default storage failed!");
//     AliWarning("Calibration data will be loaded from local storage ($ALICE_ROOT)");
//     Int_t runNumber = man->GetRun();
//     entry = man->GetStorage("local://$ALICE_ROOT/OCDB")
//       ->Get("VZERO/Calib/Data",runNumber);
// 	
//   }

  // Retrieval of data in directory VZERO/Calib/Data:

  AliVZEROCalibData *calibdata = 0;

  if (entry) calibdata = (AliVZEROCalibData*) entry->GetObject();
  if (!calibdata)  AliFatal("No calibration data from calibration database !");

  return calibdata;
}
Commit	Line	Data
b0d2c2d3	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	/* $Id$ */
	17
	18	///////////////////////////////////////////////////////////////////////////////
	19	/// //
	20	/// class for VZERO reconstruction //
	21	/// //
	22	///////////////////////////////////////////////////////////////////////////////
	23
35b120ff	24	#include "AliRunLoader.h"
2eb38194	25	#include "AliRawReader.h"
fe0adf2a	26	#include "AliGRPObject.h"
	27	#include "AliCDBManager.h"
	28	#include "AliCDBStorage.h"
	29	#include "AliCDBEntry.h"
b0d2c2d3	30	#include "AliVZEROReconstructor.h"
2eb38194	31	#include "AliVZERORawStream.h"
b14e6eb4	32	#include "AliESDEvent.h"
a055ee24	33	#include "AliVZEROTriggerMask.h"
b090e6a3	34	#include "AliESDfriend.h"
b090e6a3	35	#include "AliESDVZEROfriend.h"
b0d2c2d3	36
b0d2c2d3	37	ClassImp(AliVZEROReconstructor)
b0d2c2d3	38
ce7090f5	39	//_____________________________________________________________________________
cb2228e6	40	AliVZEROReconstructor:: AliVZEROReconstructor(): AliReconstructor(),
fe0adf2a	41	fESDVZERO(0x0),
	42	fESD(0x0),
	43	fESDVZEROfriend(0x0),
	44	fCalibData(GetCalibData()),
	45	fCollisionMode(0),
	46	fBeamEnergy(0.)
ce7090f5	47	{
ce7090f5	48	// Default constructor
ce7090f5	49	// Get calibration data
ce7090f5	50
35b120ff	51	// fCalibData = GetCalibData();
44b6212f	52
ce7090f5	53	}
	54
	55
	56	//_____________________________________________________________________________
	57	AliVZEROReconstructor& AliVZEROReconstructor::operator =
	58	(const AliVZEROReconstructor& /reconstructor/)
	59	{
	60	// assignment operator
	61
	62	Fatal("operator =", "assignment operator not implemented");
	63	return *this;
	64	}
	65
	66	//_____________________________________________________________________________
	67	AliVZEROReconstructor::~AliVZEROReconstructor()
	68	{
	69	// destructor
44b6212f	70
b090e6a3	71	delete fESDVZERO;
b090e6a3	72	delete fESDVZEROfriend;
35b120ff	73	}
	74
	75	//_____________________________________________________________________________
d76c31f4	76	void AliVZEROReconstructor::Init()
35b120ff	77	{
ef314913	78	// initializer
ce7090f5	79
35b120ff	80	fESDVZERO = new AliESDVZERO;
b090e6a3	81	fESDVZEROfriend = new AliESDVZEROfriend;
fe0adf2a	82
fe0adf2a	83	GetCollisionMode(); // fCollisionMode =1 for Pb-Pb simulated data
35b120ff	84	}
	85
	86	//______________________________________________________________________
2e0ee64a	87	void AliVZEROReconstructor::ConvertDigits(AliRawReader* rawReader, TTree* digitsTree) const
35b120ff	88	{
44b6212f	89	// converts RAW to digits - pedestal is subtracted
ef314913	90
2e0ee64a	91	if (!digitsTree) {
	92	AliError("No digits tree!");
	93	return;
	94	}
35b120ff	95
2e0ee64a	96	TClonesArray* digitsArray = new TClonesArray("AliVZEROdigit");
	97	digitsTree->Branch("VZERODigit", &digitsArray);
	98
b090e6a3	99	fESDVZEROfriend->Reset();
b090e6a3	100
2e0ee64a	101	rawReader->Reset();
2e0ee64a	102	AliVZERORawStream rawStream(rawReader);
9d62c464	103	if (rawStream.Next()) {
d0502ab2	104	Int_t ADC_max[64], adc[64], time[64], width[64], BBFlag[64], BGFlag[64];
9d62c464	105	for(Int_t i=0; i<64; i++) {
44b6212f	106	// Search for the maximum charge in the train of 21 LHC clocks
9d62c464	107	// regardless of the integrator which has been operated:
9d62c464	108	ADC_max[i] = 0;
d0502ab2	109	Int_t imax = 0;
9d62c464	110	for(Int_t iClock=0; iClock<21; iClock++){
9d62c464	111	if((Int_t)rawStream.GetPedestal(i,iClock) > ADC_max[i])
d0502ab2	112	{ADC_max[i]=(Int_t)rawStream.GetPedestal(i,iClock);
d0502ab2	113	imax = iClock;}
9d62c464	114	}
9d62c464	115	// Convert i (FEE channel numbering) to j (aliroot channel numbering)
d0502ab2	116	Int_t j = rawStream.GetOfflineChannel(i);
	117	adc[j] = ADC_max[i];
	118	time[j] = rawStream.GetTime(i);
	119	width[j] = rawStream.GetWidth(i);
	120	BBFlag[j] = rawStream.GetBBFlag(i,imax);
	121	BGFlag[j] = rawStream.GetBGFlag(i,imax);
b090e6a3	122
	123	// Filling the esd friend object
	124	fESDVZEROfriend->SetBBScalers(j,rawStream.GetBBScalers(i));
	125	fESDVZEROfriend->SetBGScalers(j,rawStream.GetBGScalers(i));
	126	for (Int_t iBunch = 0; iBunch < AliESDVZEROfriend::kNBunches; iBunch++) {
	127	fESDVZEROfriend->SetChargeMB(j,iBunch,rawStream.GetChargeMB(i,iBunch));
	128	fESDVZEROfriend->SetIntMBFlag(j,iBunch,rawStream.GetIntMBFlag(i,iBunch));
	129	fESDVZEROfriend->SetBBMBFlag(j,iBunch,rawStream.GetBBMBFlag(i,iBunch));
	130	fESDVZEROfriend->SetBGMBFlag(j,iBunch,rawStream.GetBGMBFlag(i,iBunch));
	131	}
	132	for (Int_t iEv = 0; iEv < AliESDVZEROfriend::kNEvOfInt; iEv++) {
	133	fESDVZEROfriend->SetPedestal(j,iEv,rawStream.GetPedestal(i,iEv));
	134	fESDVZEROfriend->SetIntegratorFlag(j,iEv,rawStream.GetIntegratorFlag(i,iEv));
	135	fESDVZEROfriend->SetBBFlag(j,iEv,rawStream.GetBBFlag(i,iEv));
	136	fESDVZEROfriend->SetBGFlag(j,iEv,rawStream.GetBGFlag(i,iEv));
	137	}
	138	fESDVZEROfriend->SetTime(j,rawStream.GetTime(i));
	139	fESDVZEROfriend->SetWidth(j,rawStream.GetWidth(i));
9d62c464	140	}
b090e6a3	141
	142	// Filling the esd friend object
	143	fESDVZEROfriend->SetTriggerInputs(rawStream.GetTriggerInputs());
	144	fESDVZEROfriend->SetTriggerInputsMask(rawStream.GetTriggerInputsMask());
	145
	146	for(Int_t iScaler = 0; iScaler < AliESDVZEROfriend::kNScalers; iScaler++)
	147	fESDVZEROfriend->SetTriggerScalers(iScaler,rawStream.GetTriggerScalers(iScaler));
	148
	149	for (Int_t iBunch = 0; iBunch < AliESDVZEROfriend::kNBunches; iBunch++)
	150	fESDVZEROfriend->SetBunchNumbersMB(iBunch,rawStream.GetBunchNumbersMB(iBunch));
	151
	152
9d62c464	153	// Channels(aliroot numbering) will be ordered in the tree
	154	for(Int_t iChannel = 0; iChannel < 64; iChannel++) {
	155	new ((*digitsArray)[digitsArray->GetEntriesFast()])
d0502ab2	156	AliVZEROdigit(iChannel, adc[iChannel], time[iChannel],
d0502ab2	157	width[iChannel], BBFlag[iChannel], BGFlag[iChannel]);
9d62c464	158	}
2e0ee64a	159	}
	160
	161	digitsTree->Fill();
	162	}
	163
	164	//______________________________________________________________________
	165	void AliVZEROReconstructor::FillESD(TTree* digitsTree, TTree* /clustersTree/,
b14e6eb4	166	AliESDEvent* esd) const
2e0ee64a	167	{
ef314913	168	// fills multiplicities to the ESD
fe0adf2a	169
2e0ee64a	170	if (!digitsTree) {
fe0adf2a	171	AliError("No digits tree!");
fe0adf2a	172	return;
2e0ee64a	173	}
a055ee24	174
2e0ee64a	175	TClonesArray* digitsArray = NULL;
	176	TBranch* digitBranch = digitsTree->GetBranch("VZERODigit");
	177	digitBranch->SetAddress(&digitsArray);
35b120ff	178
a055ee24	179	Short_t Multiplicity[64];
44b6212f	180	Float_t mult[64];
44b6212f	181	Short_t adc[64];
28fdf12c	182	Short_t time[64];
d0502ab2	183	Short_t width[64];
	184	Bool_t BBFlag[64];
	185	Bool_t BGFlag[64];
	186
35b120ff	187	for (Int_t i=0; i<64; i++){
d0502ab2	188	adc[i] = 0;
	189	mult[i] = 0.0;
	190	time[i] = 0;
	191	width[i] = 0;
	192	BBFlag[i] = kFALSE;
	193	BGFlag[i] = kFALSE;
a055ee24	194	}
35b120ff	195
a055ee24	196	// loop over VZERO entries to get multiplicity
2e0ee64a	197	Int_t nEntries = (Int_t)digitsTree->GetEntries();
35b120ff	198	for (Int_t e=0; e<nEntries; e++) {
2e0ee64a	199	digitsTree->GetEvent(e);
35b120ff	200
2e0ee64a	201	Int_t nDigits = digitsArray->GetEntriesFast();
35b120ff	202
35b120ff	203	for (Int_t d=0; d<nDigits; d++) {
63627899	204	AliVZEROdigit* digit = (AliVZEROdigit*)digitsArray->At(d);
	205	Int_t pmNumber = digit->PMNumber();
	206	// Pedestal retrieval and suppression:
	207	Int_t pedestal = int(fCalibData->GetPedestal(d));
d0502ab2	208	adc[pmNumber] = (Short_t) digit->ADC() - pedestal;
d0502ab2	209	time[pmNumber] = (Short_t) digit->Time();
fe0adf2a	210	width[pmNumber] = (Short_t) digit->Width();
	211	BBFlag[pmNumber]= digit->BBFlag();
	212	BGFlag[pmNumber]= digit->BGFlag();
23c8ec8e	213	// printf("PM = %d, MIP per ADC channel = %f \n",pmNumber, fCalibData->GetMIPperADC(pmNumber));
44b6212f	214	// cut of ADC at 1MIP/2
fe0adf2a	215	if(fCollisionMode >0) {
	216	Float_t MIP = 2.0;
	217	if (adc[pmNumber] > (int(MIP) /2) ) mult[pmNumber] += float(adc[pmNumber])*(1.0/MIP) ;
	218	}
	219	else{
	220	if (adc[pmNumber] > (int(1.0/fCalibData->GetMIPperADC(pmNumber)) /2) )
	221	mult[pmNumber] += float(adc[pmNumber])*fCalibData->GetMIPperADC(pmNumber);
	222	}
35b120ff	223	} // end of loop over digits
35b120ff	224	} // end of loop over events in digits tree
35b120ff	225
d0502ab2	226	for (Int_t j=0; j<64; j++) Multiplicity[j] = short(mult[j]+0.5);
d0502ab2	227
a055ee24	228	fESDVZERO->SetMultiplicity(Multiplicity);
28fdf12c	229	fESDVZERO->SetADC(adc);
28fdf12c	230	fESDVZERO->SetTime(time);
d0502ab2	231	fESDVZERO->SetWidth(width);
	232	fESDVZERO->SetBBFlag(BBFlag);
	233	fESDVZERO->SetBGFlag(BGFlag);
a055ee24	234
	235	// now get the trigger mask
	236
	237	AliVZEROTriggerMask *TriggerMask = new AliVZEROTriggerMask();
fe0adf2a	238	TriggerMask->SetAdcThreshold(10.0/2.0);
a055ee24	239	TriggerMask->SetTimeWindowWidthBBA(50);
	240	TriggerMask->SetTimeWindowWidthBGA(20);
	241	TriggerMask->SetTimeWindowWidthBBC(50);
	242	TriggerMask->SetTimeWindowWidthBGC(20);
	243	TriggerMask->FillMasks(digitsTree,digitsArray);
	244
	245	fESDVZERO->SetBBtriggerV0A(TriggerMask->GetBBtriggerV0A());
	246	fESDVZERO->SetBGtriggerV0A(TriggerMask->GetBGtriggerV0A());
	247	fESDVZERO->SetBBtriggerV0C(TriggerMask->GetBBtriggerV0C());
	248	fESDVZERO->SetBGtriggerV0C(TriggerMask->GetBGtriggerV0C());
35b120ff	249
2e0ee64a	250	if (esd) {
44b6212f	251	AliDebug(1, Form("Writing VZERO data to ESD tree"));
44b6212f	252	esd->SetVZEROData(fESDVZERO);
2e0ee64a	253	}
b090e6a3	254
b090e6a3	255	if (esd) {
fe0adf2a	256	AliESDfriend fr = (AliESDfriend)esd->FindListObject("AliESDfriend");
	257	if (fr) {
	258	AliDebug(1, Form("Writing VZERO friend data to ESD tree"));
	259	fr->SetVZEROfriend(fESDVZEROfriend);
b090e6a3	260	}
b090e6a3	261	}
35b120ff	262	}
35b120ff	263
ce7090f5	264	//_____________________________________________________________________________
	265	AliCDBStorage* AliVZEROReconstructor::SetStorage(const char *uri)
	266	{
ef314913	267	// Sets the storage
ef314913	268
ce7090f5	269	Bool_t deleteManager = kFALSE;
	270
	271	AliCDBManager *manager = AliCDBManager::Instance();
	272	AliCDBStorage *defstorage = manager->GetDefaultStorage();
	273
	274	if(!defstorage \|\| !(defstorage->Contains("VZERO"))){
	275	AliWarning("No default storage set or default storage doesn't contain VZERO!");
	276	manager->SetDefaultStorage(uri);
	277	deleteManager = kTRUE;
	278	}
	279
	280	AliCDBStorage *storage = manager->GetDefaultStorage();
	281
	282	if(deleteManager){
44b6212f	283	AliCDBManager::Instance()->UnsetDefaultStorage();
44b6212f	284	defstorage = 0; // the storage is killed by AliCDBManager::Instance()->Destroy()
ce7090f5	285	}
	286
	287	return storage;
	288	}
	289
fe0adf2a	290	//____________________________________________________________________________
	291	void AliVZEROReconstructor::GetCollisionMode()
	292	{
	293	// Retrieves the collision mode from GRP data
	294
	295	// Initialization of the GRP entry
	296
	297	Int_t run = AliCDBManager::Instance()->GetRun();
	298
	299	// printf("\n ++++++ Run Number retrieved as %d \n",run);
	300
	301	AliCDBEntry* entry = AliCDBManager::Instance()->Get("GRP/GRP/Data",run);
	302	AliGRPObject* grpData = 0x0;
	303
	304	if(entry){
	305	TMap* m = dynamic_cast<TMap*>(entry->GetObject()); // old GRP entry
	306	if(m){
	307	m->Print();
	308	grpData = new AliGRPObject();
	309	grpData->ReadValuesFromMap(m);
	310	}
	311	else{
	312	grpData = dynamic_cast<AliGRPObject*>(entry->GetObject()); // new GRP entry
	313	entry->SetOwner(0);
	314	}
	315	AliCDBManager::Instance()->UnloadFromCache("GRP/GRP/Data");
	316	}
	317
	318	if(!grpData) { AliError("No GRP entry found in OCDB!");
	319	return; }
	320
	321	// Retrieval of simulated collision mode
	322
	323	TString beamType = grpData->GetBeamType();
	324	if(beamType==AliGRPObject::GetInvalidString()){
	325	AliError("GRP/GRP/Data entry: missing value for the beam type !");
	326	AliError("\t VZERO cannot retrieve beam type\n");
	327	return;
	328	}
	329
	330	if( (beamType.CompareTo("P-P") ==0) \|\| (beamType.CompareTo("p-p") ==0) ){
	331	fCollisionMode=0;
	332	}
	333	else if( (beamType.CompareTo("Pb-Pb") ==0) \|\| (beamType.CompareTo("A-A") ==0) ){
	334	fCollisionMode=1;
	335	}
	336
	337	fBeamEnergy = grpData->GetBeamEnergy();
	338	if(fBeamEnergy==AliGRPObject::GetInvalidFloat()) {
	339	AliError("GRP/GRP/Data entry: missing value for the beam energy ! Using 0");
	340	fBeamEnergy = 0.;
	341	}
	342
	343	// printf("\n ++++++ Beam type and collision mode retrieved as %s %d @ %1.3f GeV ++++++\n\n",beamType.Data(), fCollisionMode, fBeamEnergy);
	344
	345	}
	346
ce7090f5	347	//_____________________________________________________________________________
	348	AliVZEROCalibData* AliVZEROReconstructor::GetCalibData() const
	349	{
ef314913	350	// Gets calibration object for VZERO set
ce7090f5	351
c0b82b5a	352	AliCDBManager *man = AliCDBManager::Instance();
ce7090f5	353
c0b82b5a	354	AliCDBEntry *entry=0;
	355
	356	entry = man->Get("VZERO/Calib/Data");
	357
94a600a1	358	// if(!entry){
	359	// AliWarning("Load of calibration data from default storage failed!");
	360	// AliWarning("Calibration data will be loaded from local storage ($ALICE_ROOT)");
	361	// Int_t runNumber = man->GetRun();
162637e4	362	// entry = man->GetStorage("local://$ALICE_ROOT/OCDB")
94a600a1	363	// ->Get("VZERO/Calib/Data",runNumber);
	364	//
	365	// }
c0b82b5a	366
	367	// Retrieval of data in directory VZERO/Calib/Data:
	368
c0b82b5a	369	AliVZEROCalibData *calibdata = 0;
	370
	371	if (entry) calibdata = (AliVZEROCalibData*) entry->GetObject();
94a600a1	372	if (!calibdata) AliFatal("No calibration data from calibration database !");
ce7090f5	373
	374	return calibdata;
	375	}
44b6212f	376