[u/mrichter/AliRoot.git] / EMCAL / AliEMCALClusterizer.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.                  *
 **************************************************************************/

/* $Id$ */

//_________________________________________________________________________
//  Base class for the clusterization algorithm (pure abstract)
//*--
//*-- Author: Yves Schutz  SUBATECH 
// 
//   Clusterization mother class. Contains common methods/data members of different 
//   clusterizers. GCB 2010
//////////////////////////////////////////////////////////////////////////////

// --- ROOT system ---
#include "TClonesArray.h"
#include "TTree.h"
#include <TFile.h> 
class TFolder;
#include <TMath.h> 
#include <TMinuit.h>
#include <TTree.h> 
class TSystem; 
#include <TBenchmark.h>
#include <TBrowser.h>
#include <TROOT.h>

// --- Standard library ---
#include <cassert>

// --- AliRoot header files ---
#include "AliEMCALClusterizer.h"
#include "AliEMCALReconstructor.h"
#include "AliRunLoader.h"
#include "AliRun.h"
#include "AliLog.h"
#include "AliEMCAL.h"
#include "AliEMCALRecPoint.h"
#include "AliEMCALRecParam.h"
#include "AliEMCALGeometry.h"
#include "AliEMCALRecParam.h"
#include "AliCDBManager.h"
#include "AliCaloCalibPedestal.h"
#include "AliEMCALCalibData.h"
class AliCDBStorage;
#include "AliCDBEntry.h"

ClassImp(AliEMCALClusterizer)

//____________________________________________________________________________
AliEMCALClusterizer::AliEMCALClusterizer():
  fDigitsArr(NULL),
  fTreeR(NULL),
  fRecPoints(NULL),
  fGeom(NULL),
  fCalibData(NULL), 
  fCaloPed(NULL),
  fADCchannelECA(0.),fADCpedestalECA(0.),
  fTimeMin(-1.),fTimeMax(1.),fTimeCut(1.),
  fDefaultInit(kFALSE),fToUnfold(kFALSE),
  fNumberOfECAClusters(0), fECAClusteringThreshold(0.),
  fECALocMaxCut(0.),fECAW0(0.),fMinECut(0.)
{
  // ctor
  
  Init();
  
}

//____________________________________________________________________________
AliEMCALClusterizer::AliEMCALClusterizer(AliEMCALGeometry* geometry): 
  fDigitsArr(NULL),
  fTreeR(NULL),
  fRecPoints(NULL),
  fGeom(geometry),
  fCalibData(NULL), 
  fCaloPed(NULL),
  fADCchannelECA(0.),fADCpedestalECA(0.),
  fTimeMin(-1.),fTimeMax(1.),fTimeCut(1.),
  fDefaultInit(kFALSE),fToUnfold(kFALSE),
  fNumberOfECAClusters(0), fECAClusteringThreshold(0.),
  fECALocMaxCut(0.),fECAW0(0.),fMinECut(0.)
{
  // ctor with the indication of the file where header Tree and digits Tree are stored
  // use this contructor to avoid usage of Init() which uses runloader
  // change needed by HLT - MP
  
  // Note for the future: the use on runloader should be avoided or optional at least
  // another way is to make Init virtual and protected at least such that the deriving classes can overload
  // Init() ;
  //
  
  if (!fGeom)
  {
    AliFatal("Geometry not initialized.");
  }
  
}

//____________________________________________________________________________
AliEMCALClusterizer::AliEMCALClusterizer(AliEMCALGeometry* geometry, AliEMCALCalibData * calib, AliCaloCalibPedestal * caloped): 
  fDigitsArr(NULL),
  fTreeR(NULL),
  fRecPoints(NULL),
  fGeom(geometry),
  fCalibData(calib),
  fCaloPed(caloped),
  fADCchannelECA(0.),fADCpedestalECA(0.),
  fTimeMin(-1.),fTimeMax(1.),fTimeCut(1.),
  fDefaultInit(kFALSE),fToUnfold(kFALSE),
  fNumberOfECAClusters(0), fECAClusteringThreshold(0.),
  fECALocMaxCut(0.),fECAW0(0.),fMinECut(0.)
{
	// ctor, geometry and calibration are initialized elsewhere.
	
	if (!fGeom)
		AliFatal("Geometry not initialized.");
  
}


//____________________________________________________________________________
AliEMCALClusterizer::~AliEMCALClusterizer()
{
  // dtor
  //Already deleted in AliEMCALReconstructor.

//   if(fGeom)      delete fGeom;
//   if(fCalibData) delete fCalibData;
//   if(fCaloPed)   delete fCaloPed;

//   if (fDigitsArr) {
//     fDigitsArr->Clear("C");
//     delete fDigitsArr;
//   }
//   if (fRecPoints) {
//     fRecPoints->Delete();
//     delete fRecPoints;
//  }
}

//____________________________________________________________________________
Float_t  AliEMCALClusterizer::Calibrate(const Float_t amp, const Float_t time, const Int_t absId) 
{
  
  // Convert digitized amplitude into energy.
  // Calibration parameters are taken from calibration data base for raw data,
  // or from digitizer parameters for simulated data.
  if(fCalibData){
    
    if (fGeom==0)
      AliFatal("Did not get geometry from EMCALLoader") ;
    
    Int_t iSupMod = -1;
    Int_t nModule = -1;
    Int_t nIphi   = -1;
    Int_t nIeta   = -1;
    Int_t iphi    = -1;
    Int_t ieta    = -1;
    
    Bool_t bCell = fGeom->GetCellIndex(absId, iSupMod, nModule, nIphi, nIeta) ;
    if(!bCell) {
      fGeom->PrintGeometry();
      Error("Calibrate()"," Wrong cell id number : %i", absId);
      assert(0);
    }
    
    fGeom->GetCellPhiEtaIndexInSModule(iSupMod,nModule,nIphi, nIeta,iphi,ieta);
	  
    // Check if channel is bad (dead or hot), in this case return 0.	
    // Gustavo: 15-12-09 In case of RAW data this selection is already done, but not in simulation.
    // for the moment keep it here but remember to do the selection at the sdigitizer level 
    // and remove it from here
    Int_t channelStatus = (Int_t)(fCaloPed->GetDeadMap(iSupMod))->GetBinContent(ieta,iphi);
    if(channelStatus == AliCaloCalibPedestal::kHot || channelStatus == AliCaloCalibPedestal::kDead) {
		  AliDebug(2,Form("Tower from SM %d, ieta %d, iphi %d is BAD : status %d !!!",iSupMod,ieta,iphi, channelStatus));
		  return 0;
    }
    //Check if time is too large or too small, indication of a noisy channel, remove in this case
    if(time > fTimeMax || time < fTimeMin) return 0;
	  
    fADCchannelECA  = fCalibData->GetADCchannel (iSupMod,ieta,iphi);
    fADCpedestalECA = fCalibData->GetADCpedestal(iSupMod,ieta,iphi);
    
    return -fADCpedestalECA + amp * fADCchannelECA ;        
    
  }
  else //Return energy with default parameters if calibration is not available
    return -fADCpedestalECA + amp * fADCchannelECA ; 
  
}

//____________________________________________________________________________
void AliEMCALClusterizer::GetCalibrationParameters() 
{
  // Set calibration parameters:
  // if calibration database exists, they are read from database,
  // otherwise, they are taken from digitizer.
  //
  // It is a user responsilibity to open CDB before reconstruction, 
  // for example: 
  // AliCDBStorage* storage = AliCDBManager::Instance()->GetStorage("local://CalibDB");
  
  //Check if calibration is stored in data base
  
  if(!fCalibData)
  {
    AliCDBEntry *entry = (AliCDBEntry*) 
    AliCDBManager::Instance()->Get("EMCAL/Calib/Data");
    if (entry) fCalibData =  (AliEMCALCalibData*) entry->GetObject();
  }
  
  if(!fCalibData)
    AliFatal("Calibration parameters not found in CDB!");
  
}

//____________________________________________________________________________
void AliEMCALClusterizer::GetCaloCalibPedestal() 
{
	// Set calibration parameters:
	// if calibration database exists, they are read from database,
	// otherwise, they are taken from digitizer.
	//
	// It is a user responsilibity to open CDB before reconstruction, 
	// for example: 
	// AliCDBStorage* storage = AliCDBManager::Instance()->GetStorage("local://CalibDB");
	
	//Check if calibration is stored in data base
	
	if(!fCaloPed)
  {
		AliCDBEntry *entry = (AliCDBEntry*) 
		AliCDBManager::Instance()->Get("EMCAL/Calib/Pedestals");
		if (entry) fCaloPed =  (AliCaloCalibPedestal*) entry->GetObject();
  }
	
	if(!fCaloPed)
		AliFatal("Pedestal info not found in CDB!");
	
}

//____________________________________________________________________________
void AliEMCALClusterizer::Init()
{
  // Make all memory allocations which can not be done in default constructor.
  // Attach the Clusterizer task to the list of EMCAL tasks
  
  AliRunLoader *rl = AliRunLoader::Instance();
  if (rl->GetAliRun()){
    AliEMCAL* emcal = dynamic_cast<AliEMCAL*>(rl->GetAliRun()->GetDetector("EMCAL"));
    if(emcal)fGeom = emcal->GetGeometry();
  }
  
  if(!fGeom){ 
    fGeom =  AliEMCALGeometry::GetInstance(AliEMCALGeometry::GetDefaultGeometryName());
  }
  
  AliDebug(1,Form("geom %p",fGeom));
  
  if(!gMinuit) 
    gMinuit = new TMinuit(100) ;
  
}

//____________________________________________________________________________
void AliEMCALClusterizer::InitParameters()
{ 
  // Initializes the parameters for the Clusterizer
  fNumberOfECAClusters = 0 ;
  fCalibData           = 0 ;
  fCaloPed             = 0 ;
	
  const AliEMCALRecParam* recParam = AliEMCALReconstructor::GetRecParam();
  if(!recParam) {
    AliFatal("Reconstruction parameters for EMCAL not set!");
  } else {
    fECAClusteringThreshold = recParam->GetClusteringThreshold();
    fECAW0                  = recParam->GetW0();
    fMinECut                = recParam->GetMinECut();    
    fToUnfold               = recParam->GetUnfold();
    if(fToUnfold) AliWarning("Cluster Unfolding ON. Implementing only for eta=0 case!!!"); 
    fECALocMaxCut           = recParam->GetLocMaxCut();
    fTimeCut                = recParam->GetTimeCut();
    fTimeMin                = recParam->GetTimeMin();
    fTimeMax                = recParam->GetTimeMax();
    
    AliDebug(1,Form("Reconstruction parameters: fECAClusteringThreshold=%.3f GeV, fECAW=%.3f, fMinECut=%.3f GeV, fToUnfold=%d, fECALocMaxCut=%.3f GeV, fTimeCut=%e s,fTimeMin=%e s,fTimeMax=%e s",
                    fECAClusteringThreshold,fECAW0,fMinECut,fToUnfold,fECALocMaxCut,fTimeCut, fTimeMin, fTimeMax));
  }
  
}


//____________________________________________________________________________
void AliEMCALClusterizer::Print(Option_t * /*option*/)const
{
  // Print clusterizer parameters
  
  TString message("\n") ; 
  
  if( strcmp(GetName(), "") !=0 ){
    
    // Print parameters
    
    TString taskName(Version()) ;
    
    printf("--------------- "); 
    printf("%s",taskName.Data()) ; 
    printf(" "); 
    printf("Clusterizing digits: "); 
    printf("\n                       ECA Local Maximum cut    = %f", fECALocMaxCut); 
    printf("\n                       ECA Logarithmic weight   = %f", fECAW0); 
    if(fToUnfold)
      printf("\nUnfolding on\n");
    else
      printf("\nUnfolding off\n");
    
    printf("------------------------------------------------------------------"); 
  }
  else
    printf("AliEMCALClusterizer not initialized ") ;
}

//____________________________________________________________________________
void AliEMCALClusterizer::PrintRecPoints(Option_t * option)
{
  // Prints list of RecPoints produced at the current pass of AliEMCALClusterizer
  if(strstr(option,"deb")) {
    printf("PrintRecPoints: Clusterization result:") ; 
    
    printf("           Found %d ECA Rec Points\n ", 
           fRecPoints->GetEntriesFast()) ; 
  }
  
  if(strstr(option,"all")) {
    if(strstr(option,"deb")) {
      printf("\n-----------------------------------------------------------------------\n") ;
      printf("Clusters in ECAL section\n") ;
      printf("Index    Ene(GeV) Multi Module     GX    GY   GZ  lX    lY   lZ   Dispersion Lambda 1   Lambda 2  # of prim  Primaries list\n") ;
    }
    Int_t index; 
    for (index =  0 ; index < fRecPoints->GetEntries() ; index++) {
      AliEMCALRecPoint * rp = dynamic_cast<AliEMCALRecPoint * >(fRecPoints->At(index)) ; 
      if(rp){
        TVector3  globalpos;  
        //rp->GetGlobalPosition(globalpos);
        TVector3  localpos;  
        rp->GetLocalPosition(localpos);
        Float_t lambda[2]; 
        rp->GetElipsAxis(lambda);
        
        Int_t nprimaries=0;
        Int_t * primaries = rp->GetPrimaries(nprimaries);
        
        if(strstr(option,"deb")) 
          printf("\n%6d  %8.4f  %3d     %4.1f    %4.1f %4.1f  %4.1f %4.1f %4.1f    %4.1f   %4f  %4f    %2d     : ", 
                 rp->GetIndexInList(), rp->GetEnergy(), rp->GetMultiplicity(),
                 globalpos.X(), globalpos.Y(), globalpos.Z(), localpos.X(), localpos.Y(), localpos.Z(), 
                 rp->GetDispersion(), lambda[0], lambda[1], nprimaries) ; 
        if(strstr(option,"deb")){ 
          for (Int_t iprimary=0; iprimary<nprimaries; iprimary++) {
            printf("%d ", primaries[iprimary] ) ; 
          }
        }
      }
    }
    
    if(strstr(option,"deb"))
      printf("\n-----------------------------------------------------------------------\n");
  }
}

//___________________________________________________________________
void  AliEMCALClusterizer::PrintRecoInfo()
{
  //print reco version
  printf(" AliEMCALClusterizer::PrintRecoInfo() : version %s \n", Version() );
  
}

//____________________________________________________________________________
void AliEMCALClusterizer::SetInput(TTree *digitsTree)
{
  // Read the digits from the input tree
  TBranch *branch = digitsTree->GetBranch("EMCAL");
  if (!branch) { 
    AliError("can't get the branch with the EMCAL digits !");
    return;
  }
  if (!fDigitsArr)
    fDigitsArr = new TClonesArray("AliEMCALDigit",100);
  branch->SetAddress(&fDigitsArr);
  branch->GetEntry(0);
}

//____________________________________________________________________________
void AliEMCALClusterizer::SetOutput(TTree *clustersTree)
{
  // Read the digits from the input tree
  fTreeR = clustersTree;
  
  AliDebug(9, "Making array for EMCAL clusters");
  fRecPoints = new TObjArray(100) ;
  Int_t split = 0;
  Int_t bufsize = 32000;
  fTreeR->Branch("EMCALECARP", "TObjArray", &fRecPoints, bufsize, split);
}
Commit	Line	Data
483b0559	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	// Base class for the clusterization algorithm (pure abstract)
	20	//*--
	21	//*-- Author: Yves Schutz SUBATECH
ee08edde	22	//
	23	// Clusterization mother class. Contains common methods/data members of different
	24	// clusterizers. GCB 2010
483b0559	25	//////////////////////////////////////////////////////////////////////////////
	26
	27	// --- ROOT system ---
c47157cd	28	#include "TClonesArray.h"
c47157cd	29	#include "TTree.h"
ee08edde	30	#include <TFile.h>
	31	class TFolder;
	32	#include <TMath.h>
	33	#include <TMinuit.h>
	34	#include <TTree.h>
	35	class TSystem;
	36	#include <TBenchmark.h>
	37	#include <TBrowser.h>
	38	#include <TROOT.h>
483b0559	39
483b0559	40	// --- Standard library ---
ee08edde	41	#include <cassert>
483b0559	42
483b0559	43	// --- AliRoot header files ---
483b0559	44	#include "AliEMCALClusterizer.h"
ee08edde	45	#include "AliEMCALReconstructor.h"
	46	#include "AliRunLoader.h"
	47	#include "AliRun.h"
c47157cd	48	#include "AliLog.h"
ee08edde	49	#include "AliEMCAL.h"
	50	#include "AliEMCALRecPoint.h"
	51	#include "AliEMCALRecParam.h"
	52	#include "AliEMCALGeometry.h"
	53	#include "AliEMCALRecParam.h"
	54	#include "AliCDBManager.h"
	55	#include "AliCaloCalibPedestal.h"
	56	#include "AliEMCALCalibData.h"
	57	class AliCDBStorage;
	58	#include "AliCDBEntry.h"
483b0559	59
	60	ClassImp(AliEMCALClusterizer)
	61
	62	//____________________________________________________________________________
c47157cd	63	AliEMCALClusterizer::AliEMCALClusterizer():
	64	fDigitsArr(NULL),
	65	fTreeR(NULL),
ee08edde	66	fRecPoints(NULL),
	67	fGeom(NULL),
	68	fCalibData(NULL),
	69	fCaloPed(NULL),
	70	fADCchannelECA(0.),fADCpedestalECA(0.),
	71	fTimeMin(-1.),fTimeMax(1.),fTimeCut(1.),
	72	fDefaultInit(kFALSE),fToUnfold(kFALSE),
	73	fNumberOfECAClusters(0), fECAClusteringThreshold(0.),
	74	fECALocMaxCut(0.),fECAW0(0.),fMinECut(0.)
483b0559	75	{
483b0559	76	// ctor
ee08edde	77
	78	Init();
	79
	80	}
	81
	82	//____________________________________________________________________________
	83	AliEMCALClusterizer::AliEMCALClusterizer(AliEMCALGeometry* geometry):
	84	fDigitsArr(NULL),
	85	fTreeR(NULL),
	86	fRecPoints(NULL),
	87	fGeom(geometry),
	88	fCalibData(NULL),
	89	fCaloPed(NULL),
	90	fADCchannelECA(0.),fADCpedestalECA(0.),
	91	fTimeMin(-1.),fTimeMax(1.),fTimeCut(1.),
	92	fDefaultInit(kFALSE),fToUnfold(kFALSE),
	93	fNumberOfECAClusters(0), fECAClusteringThreshold(0.),
	94	fECALocMaxCut(0.),fECAW0(0.),fMinECut(0.)
	95	{
	96	// ctor with the indication of the file where header Tree and digits Tree are stored
	97	// use this contructor to avoid usage of Init() which uses runloader
	98	// change needed by HLT - MP
	99
	100	// Note for the future: the use on runloader should be avoided or optional at least
	101	// another way is to make Init virtual and protected at least such that the deriving classes can overload
	102	// Init() ;
	103	//
	104
	105	if (!fGeom)
	106	{
	107	AliFatal("Geometry not initialized.");
	108	}
	109
483b0559	110	}
839828a6	111
ee08edde	112	//____________________________________________________________________________
	113	AliEMCALClusterizer::AliEMCALClusterizer(AliEMCALGeometry* geometry, AliEMCALCalibData * calib, AliCaloCalibPedestal * caloped):
	114	fDigitsArr(NULL),
	115	fTreeR(NULL),
	116	fRecPoints(NULL),
	117	fGeom(geometry),
	118	fCalibData(calib),
	119	fCaloPed(caloped),
	120	fADCchannelECA(0.),fADCpedestalECA(0.),
	121	fTimeMin(-1.),fTimeMax(1.),fTimeCut(1.),
	122	fDefaultInit(kFALSE),fToUnfold(kFALSE),
	123	fNumberOfECAClusters(0), fECAClusteringThreshold(0.),
	124	fECALocMaxCut(0.),fECAW0(0.),fMinECut(0.)
	125	{
	126	// ctor, geometry and calibration are initialized elsewhere.
	127
	128	if (!fGeom)
	129	AliFatal("Geometry not initialized.");
	130
	131	}
	132
	133
483b0559	134	//____________________________________________________________________________
c47157cd	135	AliEMCALClusterizer::~AliEMCALClusterizer()
483b0559	136	{
c47157cd	137	// dtor
23ca956b	138	//Already deleted in AliEMCALReconstructor.
	139
	140	// if(fGeom) delete fGeom;
	141	// if(fCalibData) delete fCalibData;
	142	// if(fCaloPed) delete fCaloPed;
	143
	144	// if (fDigitsArr) {
	145	// fDigitsArr->Clear("C");
	146	// delete fDigitsArr;
	147	// }
	148	// if (fRecPoints) {
	149	// fRecPoints->Delete();
	150	// delete fRecPoints;
	151	// }
18a21c7c	152	}
18a21c7c	153
ee08edde	154	//____________________________________________________________________________
	155	Float_t AliEMCALClusterizer::Calibrate(const Float_t amp, const Float_t time, const Int_t absId)
	156	{
	157
	158	// Convert digitized amplitude into energy.
	159	// Calibration parameters are taken from calibration data base for raw data,
	160	// or from digitizer parameters for simulated data.
	161	if(fCalibData){
	162
	163	if (fGeom==0)
	164	AliFatal("Did not get geometry from EMCALLoader") ;
	165
	166	Int_t iSupMod = -1;
	167	Int_t nModule = -1;
	168	Int_t nIphi = -1;
	169	Int_t nIeta = -1;
	170	Int_t iphi = -1;
	171	Int_t ieta = -1;
	172
	173	Bool_t bCell = fGeom->GetCellIndex(absId, iSupMod, nModule, nIphi, nIeta) ;
	174	if(!bCell) {
	175	fGeom->PrintGeometry();
	176	Error("Calibrate()"," Wrong cell id number : %i", absId);
	177	assert(0);
	178	}
	179
	180	fGeom->GetCellPhiEtaIndexInSModule(iSupMod,nModule,nIphi, nIeta,iphi,ieta);
	181
	182	// Check if channel is bad (dead or hot), in this case return 0.
	183	// Gustavo: 15-12-09 In case of RAW data this selection is already done, but not in simulation.
	184	// for the moment keep it here but remember to do the selection at the sdigitizer level
	185	// and remove it from here
	186	Int_t channelStatus = (Int_t)(fCaloPed->GetDeadMap(iSupMod))->GetBinContent(ieta,iphi);
	187	if(channelStatus == AliCaloCalibPedestal::kHot \|\| channelStatus == AliCaloCalibPedestal::kDead) {
	188	AliDebug(2,Form("Tower from SM %d, ieta %d, iphi %d is BAD : status %d !!!",iSupMod,ieta,iphi, channelStatus));
	189	return 0;
	190	}
	191	//Check if time is too large or too small, indication of a noisy channel, remove in this case
	192	if(time > fTimeMax \|\| time < fTimeMin) return 0;
	193
	194	fADCchannelECA = fCalibData->GetADCchannel (iSupMod,ieta,iphi);
	195	fADCpedestalECA = fCalibData->GetADCpedestal(iSupMod,ieta,iphi);
	196
	197	return -fADCpedestalECA + amp * fADCchannelECA ;
	198
	199	}
	200	else //Return energy with default parameters if calibration is not available
	201	return -fADCpedestalECA + amp * fADCchannelECA ;
	202
	203	}
	204
	205	//____________________________________________________________________________
	206	void AliEMCALClusterizer::GetCalibrationParameters()
	207	{
	208	// Set calibration parameters:
	209	// if calibration database exists, they are read from database,
	210	// otherwise, they are taken from digitizer.
	211	//
	212	// It is a user responsilibity to open CDB before reconstruction,
	213	// for example:
	214	// AliCDBStorage* storage = AliCDBManager::Instance()->GetStorage("local://CalibDB");
	215
	216	//Check if calibration is stored in data base
	217
218	if(!fCalibData)
219	{
220	AliCDBEntry entry = (AliCDBEntry)
221	AliCDBManager::Instance()->Get("EMCAL/Calib/Data");
222	if (entry) fCalibData = (AliEMCALCalibData*) entry->GetObject();
223	}
224
225	if(!fCalibData)
226	AliFatal("Calibration parameters not found in CDB!");
227
228	}
229
230	//____________________________________________________________________________
231	void AliEMCALClusterizer::GetCaloCalibPedestal()
232	{
233	// Set calibration parameters:
234	// if calibration database exists, they are read from database,
235	// otherwise, they are taken from digitizer.
236	//
237	// It is a user responsilibity to open CDB before reconstruction,
238	// for example:
239	// AliCDBStorage* storage = AliCDBManager::Instance()->GetStorage("local://CalibDB");
240
241	//Check if calibration is stored in data base
242
243	if(!fCaloPed)
244	{
245	AliCDBEntry entry = (AliCDBEntry)
246	AliCDBManager::Instance()->Get("EMCAL/Calib/Pedestals");
247	if (entry) fCaloPed = (AliCaloCalibPedestal*) entry->GetObject();
248	}
249
250	if(!fCaloPed)
251	AliFatal("Pedestal info not found in CDB!");
252
253	}
254
255	//____________________________________________________________________________
256	void AliEMCALClusterizer::Init()
257	{
258	// Make all memory allocations which can not be done in default constructor.
259	// Attach the Clusterizer task to the list of EMCAL tasks
260
261	AliRunLoader *rl = AliRunLoader::Instance();
a51e676d	262	if (rl->GetAliRun()){
	263	AliEMCAL* emcal = dynamic_cast<AliEMCAL*>(rl->GetAliRun()->GetDetector("EMCAL"));
	264	if(emcal)fGeom = emcal->GetGeometry();
	265	}
	266
	267	if(!fGeom){
ee08edde	268	fGeom = AliEMCALGeometry::GetInstance(AliEMCALGeometry::GetDefaultGeometryName());
a51e676d	269	}
ee08edde	270
	271	AliDebug(1,Form("geom %p",fGeom));
	272
	273	if(!gMinuit)
	274	gMinuit = new TMinuit(100) ;
	275
	276	}
	277
	278	//____________________________________________________________________________
	279	void AliEMCALClusterizer::InitParameters()
	280	{
	281	// Initializes the parameters for the Clusterizer
	282	fNumberOfECAClusters = 0 ;
	283	fCalibData = 0 ;
	284	fCaloPed = 0 ;
	285
	286	const AliEMCALRecParam* recParam = AliEMCALReconstructor::GetRecParam();
	287	if(!recParam) {
	288	AliFatal("Reconstruction parameters for EMCAL not set!");
	289	} else {
	290	fECAClusteringThreshold = recParam->GetClusteringThreshold();
	291	fECAW0 = recParam->GetW0();
	292	fMinECut = recParam->GetMinECut();
	293	fToUnfold = recParam->GetUnfold();
	294	if(fToUnfold) AliWarning("Cluster Unfolding ON. Implementing only for eta=0 case!!!");
	295	fECALocMaxCut = recParam->GetLocMaxCut();
	296	fTimeCut = recParam->GetTimeCut();
	297	fTimeMin = recParam->GetTimeMin();
	298	fTimeMax = recParam->GetTimeMax();
	299
	300	AliDebug(1,Form("Reconstruction parameters: fECAClusteringThreshold=%.3f GeV, fECAW=%.3f, fMinECut=%.3f GeV, fToUnfold=%d, fECALocMaxCut=%.3f GeV, fTimeCut=%e s,fTimeMin=%e s,fTimeMax=%e s",
	301	fECAClusteringThreshold,fECAW0,fMinECut,fToUnfold,fECALocMaxCut,fTimeCut, fTimeMin, fTimeMax));
	302	}
	303
	304	}
	305
	306
	307	//____________________________________________________________________________
	308	void AliEMCALClusterizer::Print(Option_t * /option/)const
	309	{
	310	// Print clusterizer parameters
	311
	312	TString message("\n") ;
	313
	314	if( strcmp(GetName(), "") !=0 ){
	315
	316	// Print parameters
	317
	318	TString taskName(Version()) ;
	319
	320	printf("--------------- ");
	321	printf("%s",taskName.Data()) ;
	322	printf(" ");
	323	printf("Clusterizing digits: ");
	324	printf("\n ECA Local Maximum cut = %f", fECALocMaxCut);
	325	printf("\n ECA Logarithmic weight = %f", fECAW0);
	326	if(fToUnfold)
	327	printf("\nUnfolding on\n");
	328	else
	329	printf("\nUnfolding off\n");
	330
	331	printf("------------------------------------------------------------------");
	332	}
	333	else
334	printf("AliEMCALClusterizer not initialized ") ;
335	}
336
337	//____________________________________________________________________________
338	void AliEMCALClusterizer::PrintRecPoints(Option_t * option)
339	{
340	// Prints list of RecPoints produced at the current pass of AliEMCALClusterizer
341	if(strstr(option,"deb")) {
342	printf("PrintRecPoints: Clusterization result:") ;
343
344	printf(" Found %d ECA Rec Points\n ",
345	fRecPoints->GetEntriesFast()) ;
346	}
347
348	if(strstr(option,"all")) {
349	if(strstr(option,"deb")) {
350	printf("\n-----------------------------------------------------------------------\n") ;
351	printf("Clusters in ECAL section\n") ;
352	printf("Index Ene(GeV) Multi Module GX GY GZ lX lY lZ Dispersion Lambda 1 Lambda 2 # of prim Primaries list\n") ;
353	}
354	Int_t index;
355	for (index = 0 ; index < fRecPoints->GetEntries() ; index++) {
356	AliEMCALRecPoint * rp = dynamic_cast<AliEMCALRecPoint * >(fRecPoints->At(index)) ;
51e4198e	357	if(rp){
	358	TVector3 globalpos;
	359	//rp->GetGlobalPosition(globalpos);
	360	TVector3 localpos;
	361	rp->GetLocalPosition(localpos);
	362	Float_t lambda[2];
	363	rp->GetElipsAxis(lambda);
	364
	365	Int_t nprimaries=0;
	366	Int_t * primaries = rp->GetPrimaries(nprimaries);
	367
	368	if(strstr(option,"deb"))
	369	printf("\n%6d %8.4f %3d %4.1f %4.1f %4.1f %4.1f %4.1f %4.1f %4.1f %4f %4f %2d : ",
	370	rp->GetIndexInList(), rp->GetEnergy(), rp->GetMultiplicity(),
	371	globalpos.X(), globalpos.Y(), globalpos.Z(), localpos.X(), localpos.Y(), localpos.Z(),
	372	rp->GetDispersion(), lambda[0], lambda[1], nprimaries) ;
	373	if(strstr(option,"deb")){
	374	for (Int_t iprimary=0; iprimary<nprimaries; iprimary++) {
	375	printf("%d ", primaries[iprimary] ) ;
	376	}
ee08edde	377	}
	378	}
	379	}
	380
	381	if(strstr(option,"deb"))
	382	printf("\n-----------------------------------------------------------------------\n");
	383	}
	384	}
	385
	386	//___________________________________________________________________
	387	void AliEMCALClusterizer::PrintRecoInfo()
	388	{
	389	//print reco version
	390	printf(" AliEMCALClusterizer::PrintRecoInfo() : version %s \n", Version() );
	391
	392	}
	393
18a21c7c	394	//____________________________________________________________________________
c47157cd	395	void AliEMCALClusterizer::SetInput(TTree *digitsTree)
18a21c7c	396	{
c47157cd	397	// Read the digits from the input tree
	398	TBranch *branch = digitsTree->GetBranch("EMCAL");
	399	if (!branch) {
	400	AliError("can't get the branch with the EMCAL digits !");
	401	return;
	402	}
3f9ad99f	403	if (!fDigitsArr)
3f9ad99f	404	fDigitsArr = new TClonesArray("AliEMCALDigit",100);
c47157cd	405	branch->SetAddress(&fDigitsArr);
c47157cd	406	branch->GetEntry(0);
483b0559	407	}
	408
	409	//____________________________________________________________________________
c47157cd	410	void AliEMCALClusterizer::SetOutput(TTree *clustersTree)
483b0559	411	{
c47157cd	412	// Read the digits from the input tree
	413	fTreeR = clustersTree;
	414
	415	AliDebug(9, "Making array for EMCAL clusters");
	416	fRecPoints = new TObjArray(100) ;
	417	Int_t split = 0;
	418	Int_t bufsize = 32000;
	419	fTreeR->Branch("EMCALECARP", "TObjArray", &fRecPoints, bufsize, split);
88cb7938	420	}
ee08edde	421
	422
	423