[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():
  fIsInputCalibrated(kFALSE),
  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.),
  fClusterUnfolding(NULL)
{
  // ctor
  
  Init();
}

//____________________________________________________________________________
AliEMCALClusterizer::AliEMCALClusterizer(AliEMCALGeometry* geometry): 
  fIsInputCalibrated(kFALSE),
  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.),
  fClusterUnfolding(NULL)
{
  // 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.");
  }
  Int_t i=0;
  for (i = 0; i < 8; i++)
    fSSPars[i] = 0.;
  for (i = 0; i < 3; i++) {
    fPar5[i] = 0.;
    fPar6[i] = 0.;
  }
}

//____________________________________________________________________________
AliEMCALClusterizer::AliEMCALClusterizer(AliEMCALGeometry *geometry, 
                                         AliEMCALCalibData *calib, 
                                         AliCaloCalibPedestal *caloped): 
  fIsInputCalibrated(kFALSE),
  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.),
  fClusterUnfolding(NULL)
{
  // ctor, geometry and calibration are initialized elsewhere.
  
  if (!fGeom)
    AliFatal("Geometry not initialized.");
  
  Int_t i=0;
  for (i = 0; i < 8; i++)
    fSSPars[i] = 0.;
  for (i = 0; i < 3; i++) {
    fPar5[i] = 0.;
    fPar6[i] = 0.;
  }
}

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

  if(fClusterUnfolding) delete fClusterUnfolding;
}

//____________________________________________________________________________
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.

  //Return energy with default parameters if calibration is not available
  if (!fCalibData) {
    if (fIsInputCalibrated == kTRUE)
    {
      AliDebug(10, Form("Input already calibrated!"));
      return amp;
    }    
    
    return -fADCpedestalECA + amp * fADCchannelECA ; 
  }
  
  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();
    AliError(Form("Wrong cell id number : %i", absId));
    //assert(0); // GCB: This aborts reconstruction of raw simulations 
    //where simulation had more SM than default geometry, 
    //change to return 0, to avoid aborting good generations.
    return 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;
    
  if (fIsInputCalibrated)
  {
    AliDebug(10, Form("Input already calibrated!"));
    return amp;
  }
	  
  fADCchannelECA  = fCalibData->GetADCchannel (iSupMod,ieta,iphi);
  fADCpedestalECA = fCalibData->GetADCpedestal(iSupMod,ieta,iphi);
      
  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");

  if (fIsInputCalibrated)
    return;
  
  //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");

  if (fIsInputCalibrated)
    return;
  
  // 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) ;
  
  Int_t i=0;
  for (i = 0; i < 8; i++)
    fSSPars[i] = 0.;
  for (i = 0; i < 3; i++) {
    fPar5[i] = 0.;
    fPar6[i] = 0.;
  }
}

//____________________________________________________________________________
void AliEMCALClusterizer::InitParameters()
{ 
  // Initializes the parameters for the Clusterizer from AliEMCALReconstructor::GetRecParam().

  return InitParameters(AliEMCALReconstructor::GetRecParam());
}

//____________________________________________________________________________
void AliEMCALClusterizer::InitParameters(const AliEMCALRecParam* recParam)
{ 
  // Initializes the parameters for the Clusterizer

  fNumberOfECAClusters = 0 ;
  fCalibData           = 0 ;
  fCaloPed             = 0 ;
	
  if(!recParam) {
    AliFatal("Reconstruction parameters for EMCAL not set!");
  } 

  fECAClusteringThreshold = recParam->GetClusteringThreshold();
  fECAW0                  = recParam->GetW0();
  fMinECut                = recParam->GetMinECut();    
  fToUnfold               = recParam->GetUnfold();
  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));

  if (fToUnfold) {
    Int_t i=0;
    for (i = 0; i < 8; i++) {
      fSSPars[i] = recParam->GetSSPars(i);
    } //end of loop over parameters
    for (i = 0; i < 3; i++) {
      fPar5[i] = recParam->GetPar5(i);
      fPar6[i] = recParam->GetPar6(i);
    } //end of loop over parameters
      
    InitClusterUnfolding();
      
    for (i = 0; i < 8; i++) {
      AliDebug(1,Form("unfolding shower shape parameters: fSSPars=%f \n",fSSPars[i]));
    }
    for (i = 0; i < 3; i++) {
      AliDebug(1,Form("unfolding parameter 5: fPar5=%f \n",fPar5[i]));
      AliDebug(1,Form("unfolding parameter 6: fPar6=%f \n",fPar6[i]));
    }
  } // to unfold
}

//____________________________________________________________________________
void AliEMCALClusterizer::Print(Option_t * /*option*/)const
{
  // Print clusterizer parameters
  
  TString message("\n") ; 
  
  if (strcmp(GetName(),"") == 0) {
    printf("AliEMCALClusterizer not initialized\n");
    return;
  }
    
  // 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");
    printf("Unfolding parameters: fSSpars: \n");
    Int_t i=0;
    for (i = 0; i < 8; i++) {
      printf("fSSPars[%d] = %f \n", i, fSSPars[i]);
    }
    printf("Unfolding parameter 5 and 6: fPar5 and fPar6: \n");
    for (i = 0; i < 3; i++) {
      printf("fPar5[%d] = %f \n", i, fPar5[i]);
      printf("fPar6[%d] = %f \n", i, fPar6[i]);
    }
  }
  else
    printf("\nUnfolding off\n");
    
  printf("------------------------------------------------------------------"); 
}

//____________________________________________________________________________
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) 
        continue;

      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

  AliDebug(9, "Making array for EMCAL clusters");
  fRecPoints = new TObjArray(1000);
  if (clustersTree) {
    fTreeR = clustersTree;
    Int_t split = 0;
    Int_t bufsize = 32000;
    fTreeR->Branch("EMCALECARP", "TObjArray", &fRecPoints, bufsize, split);
  }
}

//___________________________________________________________________
void AliEMCALClusterizer::SetInputCalibrated(Bool_t val)
{
  // Flag to indicate that input is calibrated - the case when we run already on ESD

  fIsInputCalibrated = val;
}
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():
ac084be7	64	fIsInputCalibrated(kFALSE),
c47157cd	65	fDigitsArr(NULL),
c47157cd	66	fTreeR(NULL),
ee08edde	67	fRecPoints(NULL),
	68	fGeom(NULL),
	69	fCalibData(NULL),
	70	fCaloPed(NULL),
	71	fADCchannelECA(0.),fADCpedestalECA(0.),
	72	fTimeMin(-1.),fTimeMax(1.),fTimeCut(1.),
	73	fDefaultInit(kFALSE),fToUnfold(kFALSE),
	74	fNumberOfECAClusters(0), fECAClusteringThreshold(0.),
65bec413	75	fECALocMaxCut(0.),fECAW0(0.),fMinECut(0.),
65bec413	76	fClusterUnfolding(NULL)
483b0559	77	{
483b0559	78	// ctor
ee08edde	79
ee08edde	80	Init();
ee08edde	81	}
	82
	83	//____________________________________________________________________________
	84	AliEMCALClusterizer::AliEMCALClusterizer(AliEMCALGeometry* geometry):
ac084be7	85	fIsInputCalibrated(kFALSE),
ee08edde	86	fDigitsArr(NULL),
	87	fTreeR(NULL),
	88	fRecPoints(NULL),
	89	fGeom(geometry),
	90	fCalibData(NULL),
	91	fCaloPed(NULL),
	92	fADCchannelECA(0.),fADCpedestalECA(0.),
	93	fTimeMin(-1.),fTimeMax(1.),fTimeCut(1.),
	94	fDefaultInit(kFALSE),fToUnfold(kFALSE),
	95	fNumberOfECAClusters(0), fECAClusteringThreshold(0.),
65bec413	96	fECALocMaxCut(0.),fECAW0(0.),fMinECut(0.),
65bec413	97	fClusterUnfolding(NULL)
ee08edde	98	{
ac084be7	99	// Ctor with the indication of the file where header Tree and digits Tree are stored.
	100	// Use this contructor to avoid usage of Init() which uses runloader.
	101	// Change needed by HLT - MP.
	102	// Note for the future: the use on runloader should be avoided or optional at least.
	103	// Another way is to make Init virtual and protected at least
	104	// such that the deriving classes can overload Init();
ee08edde	105
	106	if (!fGeom)
	107	{
	108	AliFatal("Geometry not initialized.");
	109	}
65bec413	110	Int_t i=0;
	111	for (i = 0; i < 8; i++)
	112	fSSPars[i] = 0.;
	113	for (i = 0; i < 3; i++) {
	114	fPar5[i] = 0.;
	115	fPar6[i] = 0.;
	116	}
483b0559	117	}
839828a6	118
ee08edde	119	//____________________________________________________________________________
ac084be7	120	AliEMCALClusterizer::AliEMCALClusterizer(AliEMCALGeometry *geometry,
	121	AliEMCALCalibData *calib,
	122	AliCaloCalibPedestal *caloped):
	123	fIsInputCalibrated(kFALSE),
ee08edde	124	fDigitsArr(NULL),
	125	fTreeR(NULL),
	126	fRecPoints(NULL),
	127	fGeom(geometry),
	128	fCalibData(calib),
	129	fCaloPed(caloped),
	130	fADCchannelECA(0.),fADCpedestalECA(0.),
	131	fTimeMin(-1.),fTimeMax(1.),fTimeCut(1.),
	132	fDefaultInit(kFALSE),fToUnfold(kFALSE),
	133	fNumberOfECAClusters(0), fECAClusteringThreshold(0.),
65bec413	134	fECALocMaxCut(0.),fECAW0(0.),fMinECut(0.),
65bec413	135	fClusterUnfolding(NULL)
ee08edde	136	{
c526514b	137	// ctor, geometry and calibration are initialized elsewhere.
	138
	139	if (!fGeom)
	140	AliFatal("Geometry not initialized.");
ee08edde	141
65bec413	142	Int_t i=0;
	143	for (i = 0; i < 8; i++)
	144	fSSPars[i] = 0.;
	145	for (i = 0; i < 3; i++) {
	146	fPar5[i] = 0.;
	147	fPar6[i] = 0.;
	148	}
ee08edde	149	}
ee08edde	150
483b0559	151	//____________________________________________________________________________
c47157cd	152	AliEMCALClusterizer::~AliEMCALClusterizer()
483b0559	153	{
c47157cd	154	// dtor
23ca956b	155	//Already deleted in AliEMCALReconstructor.
23ca956b	156
65bec413	157	if(fClusterUnfolding) delete fClusterUnfolding;
18a21c7c	158	}
18a21c7c	159
ee08edde	160	//____________________________________________________________________________
ac084be7	161	Float_t AliEMCALClusterizer::Calibrate(const Float_t amp, const Float_t time, const Int_t absId)
ee08edde	162	{
ee08edde	163	// Convert digitized amplitude into energy.
	164	// Calibration parameters are taken from calibration data base for raw data,
	165	// or from digitizer parameters for simulated data.
ac084be7	166
	167	//Return energy with default parameters if calibration is not available
	168	if (!fCalibData) {
	169	if (fIsInputCalibrated == kTRUE)
b1324a01	170	{
	171	AliDebug(10, Form("Input already calibrated!"));
	172	return amp;
ac084be7	173	}
ee08edde	174
ac084be7	175	return -fADCpedestalECA + amp * fADCchannelECA ;
	176	}
	177
	178	if (fGeom==0)
	179	AliFatal("Did not get geometry from EMCALLoader") ;
b1324a01	180
ac084be7	181	Int_t iSupMod = -1;
	182	Int_t nModule = -1;
	183	Int_t nIphi = -1;
	184	Int_t nIeta = -1;
	185	Int_t iphi = -1;
	186	Int_t ieta = -1;
ee08edde	187
ac084be7	188	Bool_t bCell = fGeom->GetCellIndex(absId, iSupMod, nModule, nIphi, nIeta) ;
	189	if(!bCell) {
	190	fGeom->PrintGeometry();
	191	AliError(Form("Wrong cell id number : %i", absId));
	192	//assert(0); // GCB: This aborts reconstruction of raw simulations
	193	//where simulation had more SM than default geometry,
	194	//change to return 0, to avoid aborting good generations.
	195	return 0;
ee08edde	196	}
b1324a01	197
ac084be7	198	fGeom->GetCellPhiEtaIndexInSModule(iSupMod,nModule,nIphi, nIeta,iphi,ieta);
	199
	200	// Check if channel is bad (dead or hot), in this case return 0.
	201	// Gustavo: 15-12-09 In case of RAW data this selection is already done, but not in simulation.
	202	// for the moment keep it here but remember to do the selection at the sdigitizer level
	203	// and remove it from here
	204	Int_t channelStatus = (Int_t)(fCaloPed->GetDeadMap(iSupMod))->GetBinContent(ieta,iphi);
	205	if(channelStatus == AliCaloCalibPedestal::kHot \|\| channelStatus == AliCaloCalibPedestal::kDead) {
	206	AliDebug(2,Form("Tower from SM %d, ieta %d, iphi %d is BAD : status %d !!!",iSupMod,ieta,iphi, channelStatus));
	207	return 0;
	208	}
	209	//Check if time is too large or too small, indication of a noisy channel, remove in this case
	210	if(time > fTimeMax \|\| time < fTimeMin) return 0;
b1324a01	211
ac084be7	212	if (fIsInputCalibrated)
	213	{
	214	AliDebug(10, Form("Input already calibrated!"));
	215	return amp;
b1324a01	216	}
ac084be7	217
	218	fADCchannelECA = fCalibData->GetADCchannel (iSupMod,ieta,iphi);
	219	fADCpedestalECA = fCalibData->GetADCpedestal(iSupMod,ieta,iphi);
	220
	221	return -fADCpedestalECA + amp * fADCchannelECA ;
ee08edde	222	}
	223
	224	//____________________________________________________________________________
	225	void AliEMCALClusterizer::GetCalibrationParameters()
	226	{
	227	// Set calibration parameters:
ac084be7	228	// If calibration database exists, they are read from database,
ee08edde	229	// otherwise, they are taken from digitizer.
ee08edde	230	// It is a user responsilibity to open CDB before reconstruction,
	231	// for example:
	232	// AliCDBStorage* storage = AliCDBManager::Instance()->GetStorage("local://CalibDB");
ac084be7	233
	234	if (fIsInputCalibrated)
	235	return;
ee08edde	236
ee08edde	237	//Check if calibration is stored in data base
ee08edde	238	if(!fCalibData)
	239	{
	240	AliCDBEntry entry = (AliCDBEntry)
	241	AliCDBManager::Instance()->Get("EMCAL/Calib/Data");
	242	if (entry) fCalibData = (AliEMCALCalibData*) entry->GetObject();
	243	}
	244
	245	if(!fCalibData)
	246	AliFatal("Calibration parameters not found in CDB!");
ee08edde	247	}
	248
	249	//____________________________________________________________________________
	250	void AliEMCALClusterizer::GetCaloCalibPedestal()
	251	{
c526514b	252	// Set calibration parameters:
	253	// if calibration database exists, they are read from database,
	254	// otherwise, they are taken from digitizer.
	255	//
	256	// It is a user responsilibity to open CDB before reconstruction,
	257	// for example:
	258	// AliCDBStorage* storage = AliCDBManager::Instance()->GetStorage("local://CalibDB");
ac084be7	259
	260	if (fIsInputCalibrated)
	261	return;
c526514b	262
ac084be7	263	// Check if calibration is stored in data base
c526514b	264	if(!fCaloPed)
	265	{
	266	AliCDBEntry entry = (AliCDBEntry)
	267	AliCDBManager::Instance()->Get("EMCAL/Calib/Pedestals");
	268	if (entry) fCaloPed = (AliCaloCalibPedestal*) entry->GetObject();
	269	}
	270
	271	if(!fCaloPed)
	272	AliFatal("Pedestal info not found in CDB!");
ee08edde	273	}
	274
	275	//____________________________________________________________________________
	276	void AliEMCALClusterizer::Init()
	277	{
	278	// Make all memory allocations which can not be done in default constructor.
	279	// Attach the Clusterizer task to the list of EMCAL tasks
	280
	281	AliRunLoader *rl = AliRunLoader::Instance();
a51e676d	282	if (rl->GetAliRun()){
	283	AliEMCAL* emcal = dynamic_cast<AliEMCAL*>(rl->GetAliRun()->GetDetector("EMCAL"));
	284	if(emcal)fGeom = emcal->GetGeometry();
	285	}
	286
	287	if(!fGeom){
ac084be7	288	fGeom = AliEMCALGeometry::GetInstance(AliEMCALGeometry::GetDefaultGeometryName());
a51e676d	289	}
ee08edde	290
	291	AliDebug(1,Form("geom %p",fGeom));
	292
	293	if(!gMinuit)
	294	gMinuit = new TMinuit(100) ;
	295
65bec413	296	Int_t i=0;
	297	for (i = 0; i < 8; i++)
	298	fSSPars[i] = 0.;
	299	for (i = 0; i < 3; i++) {
	300	fPar5[i] = 0.;
	301	fPar6[i] = 0.;
	302	}
ee08edde	303	}
	304
	305	//____________________________________________________________________________
	306	void AliEMCALClusterizer::InitParameters()
ac084be7	307	{
	308	// Initializes the parameters for the Clusterizer from AliEMCALReconstructor::GetRecParam().
	309
	310	return InitParameters(AliEMCALReconstructor::GetRecParam());
	311	}
	312
	313	//____________________________________________________________________________
	314	void AliEMCALClusterizer::InitParameters(const AliEMCALRecParam* recParam)
ee08edde	315	{
ee08edde	316	// Initializes the parameters for the Clusterizer
ac084be7	317
ee08edde	318	fNumberOfECAClusters = 0 ;
	319	fCalibData = 0 ;
	320	fCaloPed = 0 ;
	321
ee08edde	322	if(!recParam) {
ee08edde	323	AliFatal("Reconstruction parameters for EMCAL not set!");
ac084be7	324	}
	325
	326	fECAClusteringThreshold = recParam->GetClusteringThreshold();
	327	fECAW0 = recParam->GetW0();
	328	fMinECut = recParam->GetMinECut();
	329	fToUnfold = recParam->GetUnfold();
	330	fECALocMaxCut = recParam->GetLocMaxCut();
	331	fTimeCut = recParam->GetTimeCut();
	332	fTimeMin = recParam->GetTimeMin();
	333	fTimeMax = recParam->GetTimeMax();
65bec413	334
ac084be7	335	AliDebug(1,Form("Reconstruction parameters: fECAClusteringThreshold=%.3f GeV, fECAW=%.3f, fMinECut=%.3f GeV, "
	336	"fToUnfold=%d, fECALocMaxCut=%.3f GeV, fTimeCut=%e s,fTimeMin=%e s,fTimeMax=%e s",
	337	fECAClusteringThreshold,fECAW0,fMinECut,fToUnfold,fECALocMaxCut,fTimeCut, fTimeMin, fTimeMax));
	338
	339	if (fToUnfold) {
	340	Int_t i=0;
	341	for (i = 0; i < 8; i++) {
	342	fSSPars[i] = recParam->GetSSPars(i);
	343	} //end of loop over parameters
	344	for (i = 0; i < 3; i++) {
	345	fPar5[i] = recParam->GetPar5(i);
	346	fPar6[i] = recParam->GetPar6(i);
	347	} //end of loop over parameters
622e10be	348
ac084be7	349	InitClusterUnfolding();
622e10be	350
ac084be7	351	for (i = 0; i < 8; i++) {
	352	AliDebug(1,Form("unfolding shower shape parameters: fSSPars=%f \n",fSSPars[i]));
	353	}
	354	for (i = 0; i < 3; i++) {
	355	AliDebug(1,Form("unfolding parameter 5: fPar5=%f \n",fPar5[i]));
	356	AliDebug(1,Form("unfolding parameter 6: fPar6=%f \n",fPar6[i]));
	357	}
	358	} // to unfold
ee08edde	359	}
ee08edde	360
ee08edde	361	//____________________________________________________________________________
	362	void AliEMCALClusterizer::Print(Option_t * /option/)const
	363	{
	364	// Print clusterizer parameters
	365
	366	TString message("\n") ;
	367
ac084be7	368	if (strcmp(GetName(),"") == 0) {
	369	printf("AliEMCALClusterizer not initialized\n");
	370	return;
	371	}
ee08edde	372
ac084be7	373	// Print parameters
ac084be7	374	TString taskName(Version()) ;
ee08edde	375
ac084be7	376	printf("--------------- ");
	377	printf("%s",taskName.Data()) ;
	378	printf(" ");
	379	printf("Clusterizing digits: ");
	380	printf("\n ECA Local Maximum cut = %f", fECALocMaxCut);
	381	printf("\n ECA Logarithmic weight = %f", fECAW0);
	382	if (fToUnfold) {
	383	printf("\nUnfolding on\n");
	384	printf("Unfolding parameters: fSSpars: \n");
	385	Int_t i=0;
	386	for (i = 0; i < 8; i++) {
	387	printf("fSSPars[%d] = %f \n", i, fSSPars[i]);
	388	}
	389	printf("Unfolding parameter 5 and 6: fPar5 and fPar6: \n");
	390	for (i = 0; i < 3; i++) {
	391	printf("fPar5[%d] = %f \n", i, fPar5[i]);
	392	printf("fPar6[%d] = %f \n", i, fPar6[i]);
c526514b	393	}
ee08edde	394	}
ee08edde	395	else
ac084be7	396	printf("\nUnfolding off\n");
	397
	398	printf("------------------------------------------------------------------");
ee08edde	399	}
	400
	401	//____________________________________________________________________________
	402	void AliEMCALClusterizer::PrintRecPoints(Option_t * option)
	403	{
	404	// Prints list of RecPoints produced at the current pass of AliEMCALClusterizer
ac084be7	405
ac084be7	406	if (strstr(option,"deb")) {
ee08edde	407	printf("PrintRecPoints: Clusterization result:") ;
ee08edde	408	printf(" Found %d ECA Rec Points\n ",
	409	fRecPoints->GetEntriesFast()) ;
	410	}
	411
ac084be7	412	if (strstr(option,"all")) {
ac084be7	413	if (strstr(option,"deb")) {
ee08edde	414	printf("\n-----------------------------------------------------------------------\n") ;
	415	printf("Clusters in ECAL section\n") ;
	416	printf("Index Ene(GeV) Multi Module GX GY GZ lX lY lZ Dispersion Lambda 1 Lambda 2 # of prim Primaries list\n") ;
	417	}
	418	Int_t index;
	419	for (index = 0 ; index < fRecPoints->GetEntries() ; index++) {
	420	AliEMCALRecPoint * rp = dynamic_cast<AliEMCALRecPoint * >(fRecPoints->At(index)) ;
ac084be7	421	if (!rp)
	422	continue;
	423
	424	TVector3 globalpos;
	425	//rp->GetGlobalPosition(globalpos);
	426	TVector3 localpos;
	427	rp->GetLocalPosition(localpos);
	428	Float_t lambda[2];
	429	rp->GetElipsAxis(lambda);
51e4198e	430
ac084be7	431	Int_t nprimaries=0;
	432	Int_t * primaries = rp->GetPrimaries(nprimaries);
	433	if(strstr(option,"deb"))
	434	printf("\n%6d %8.4f %3d %4.1f %4.1f %4.1f %4.1f %4.1f %4.1f %4.1f %4f %4f %2d : ",
	435	rp->GetIndexInList(), rp->GetEnergy(), rp->GetMultiplicity(),
	436	globalpos.X(), globalpos.Y(), globalpos.Z(), localpos.X(), localpos.Y(), localpos.Z(),
	437	rp->GetDispersion(), lambda[0], lambda[1], nprimaries) ;
	438	if(strstr(option,"deb")){
	439	for (Int_t iprimary=0; iprimary<nprimaries; iprimary++) {
	440	printf("%d ", primaries[iprimary] ) ;
ee08edde	441	}
	442	}
	443	}
	444
	445	if(strstr(option,"deb"))
	446	printf("\n-----------------------------------------------------------------------\n");
	447	}
	448	}
	449
	450	//___________________________________________________________________
	451	void AliEMCALClusterizer::PrintRecoInfo()
	452	{
ac084be7	453	// Print reco version
ac084be7	454
ee08edde	455	printf(" AliEMCALClusterizer::PrintRecoInfo() : version %s \n", Version() );
ee08edde	456	}
ee08edde	457
18a21c7c	458	//____________________________________________________________________________
c47157cd	459	void AliEMCALClusterizer::SetInput(TTree *digitsTree)
18a21c7c	460	{
c47157cd	461	// Read the digits from the input tree
ac084be7	462
c47157cd	463	TBranch *branch = digitsTree->GetBranch("EMCAL");
	464	if (!branch) {
	465	AliError("can't get the branch with the EMCAL digits !");
	466	return;
	467	}
3f9ad99f	468	if (!fDigitsArr)
3f9ad99f	469	fDigitsArr = new TClonesArray("AliEMCALDigit",100);
c47157cd	470	branch->SetAddress(&fDigitsArr);
c47157cd	471	branch->GetEntry(0);
483b0559	472	}
	473
	474	//____________________________________________________________________________
c47157cd	475	void AliEMCALClusterizer::SetOutput(TTree *clustersTree)
483b0559	476	{
c47157cd	477	// Read the digits from the input tree
ac084be7	478
c47157cd	479	AliDebug(9, "Making array for EMCAL clusters");
ac084be7	480	fRecPoints = new TObjArray(1000);
	481	if (clustersTree) {
	482	fTreeR = clustersTree;
	483	Int_t split = 0;
	484	Int_t bufsize = 32000;
	485	fTreeR->Branch("EMCALECARP", "TObjArray", &fRecPoints, bufsize, split);
	486	}
88cb7938	487	}
ee08edde	488
b1324a01	489	//___________________________________________________________________
ac084be7	490	void AliEMCALClusterizer::SetInputCalibrated(Bool_t val)
b1324a01	491	{
ac084be7	492	// Flag to indicate that input is calibrated - the case when we run already on ESD
ee08edde	493
ac084be7	494	fIsInputCalibrated = val;
ac084be7	495	}