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

/* $Id$ */

//_________________________________________________________________________
//--
//-- Yves Schutz (SUBATECH) 
// Reconstruction class. Redesigned from the old AliReconstructionner class and 
// derived from STEER/AliReconstructor. 
// 
//-- Aleksei Pavlinov : added staf for EMCAL jet trigger 9Apr 25, 2008)
//                    : fgDigitsArr should read just once at event

// --- ROOT system ---
#include <TList.h>
#include <TClonesArray.h>
#include <TH2.h>
#include "TGeoManager.h"
#include "TGeoMatrix.h"

// --- Standard library ---

// --- AliRoot header files ---
#include "AliEMCALReconstructor.h"

#include "AliCodeTimer.h"
#include "AliESDEvent.h"
#include "AliESDCaloCluster.h"
#include "AliESDCaloCells.h"
#include "AliESDtrack.h"
#include "AliEMCALLoader.h"
#include "AliEMCALRawUtils.h"
#include "AliEMCALDigit.h"
#include "AliEMCALClusterizerv1.h"
#include "AliEMCALRecPoint.h"
#include "AliEMCALPID.h"
#include "AliEMCALTrigger.h"
#include "AliRawReader.h"
#include "AliCDBEntry.h"
#include "AliCDBManager.h"
#include "AliEMCALGeometry.h"
#include "AliEMCAL.h"
#include "AliEMCALHistoUtilities.h"
#include "AliESDVZERO.h"
#include "AliCDBManager.h"
#include "AliRunLoader.h"
#include "AliRun.h"

ClassImp(AliEMCALReconstructor) 

const AliEMCALRecParam* AliEMCALReconstructor::fgkRecParam = 0;  // EMCAL rec. parameters
AliEMCALRawUtils* AliEMCALReconstructor::fgRawUtils = 0;   // EMCAL raw utilities class
AliEMCALClusterizer* AliEMCALReconstructor::fgClusterizer = 0;   // EMCAL clusterizer class
TClonesArray*     AliEMCALReconstructor::fgDigitsArr = 0;  // shoud read just once at event
//____________________________________________________________________________
AliEMCALReconstructor::AliEMCALReconstructor() 
  : fDebug(kFALSE), fList(0), fGeom(0),fCalibData(0),fPedestalData(0) 
{
  // ctor

  fgRawUtils = new AliEMCALRawUtils;

  //To make sure we match with the geometry in a simulation file,
  //let's try to get it first.  If not, take the default geometry
  AliRunLoader *rl = AliRunLoader::Instance();
  if (rl->GetAliRun() && rl->GetAliRun()->GetDetector("EMCAL")) {
    fGeom = dynamic_cast<AliEMCAL*>(rl->GetAliRun()->GetDetector("EMCAL"))->GetGeometry();
  } else {
    AliInfo(Form("Using default geometry in reconstruction"));
    fGeom =  AliEMCALGeometry::GetInstance(AliEMCALGeometry::GetDefaultGeometryName());
  }

  //Get calibration parameters	
  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!");
	
  //Get calibration parameters	
  if(!fPedestalData)
    {
		AliCDBEntry *entry = (AliCDBEntry*) 
		AliCDBManager::Instance()->Get("EMCAL/Calib/Pedestals");
		if (entry) fPedestalData =  (AliCaloCalibPedestal*) entry->GetObject();
    }
	
	if(!fPedestalData)
		AliFatal("Dead map not found in CDB!");
	
	
  //Init the clusterizer with geometry and calibration pointers, avoid doing it twice.
  fgClusterizer = new AliEMCALClusterizerv1(fGeom, fCalibData,fPedestalData); 
	
  if(!fGeom) AliFatal(Form("Could not get geometry!"));

} 

//____________________________________________________________________________
AliEMCALReconstructor::~AliEMCALReconstructor()
{
  // dtor
  delete fGeom;
  delete fgRawUtils;
  delete fgClusterizer;
	
  AliCodeTimer::Instance()->Print();
} 

//____________________________________________________________________________
void AliEMCALReconstructor::Init()
{
  // Trigger hists - Oct 24, 2007
  fList = AliEMCALHistoUtilities::GetTriggersListOfHists(kTRUE);
}

//____________________________________________________________________________
void AliEMCALReconstructor::Reconstruct(TTree* digitsTree, TTree* clustersTree) const
{
  // method called by AliReconstruction; 
  // Only the clusterization is performed,; the rest of the reconstruction is done in FillESD because the track
  // segment maker needs access to the AliESD object to retrieve the tracks reconstructed by 
  // the global tracking.
  // Works on the current event.

  AliCodeTimerAuto("",0)

  ReadDigitsArrayFromTree(digitsTree);
  fgClusterizer->InitParameters();
  fgClusterizer->SetOutput(clustersTree);
	
  if(fgDigitsArr && fgDigitsArr->GetEntries()) {

    fgClusterizer->SetInput(digitsTree);
    
    if(Debug())
      fgClusterizer->Digits2Clusters("deb all") ;
    else
      fgClusterizer->Digits2Clusters("");
    
    fgClusterizer->Clear();

  }

}

//____________________________________________________________________________
void AliEMCALReconstructor::ConvertDigits(AliRawReader* rawReader, TTree* digitsTree) const

{
  // Conversion from raw data to
  // EMCAL digits.
  // Works on a single-event basis

  rawReader->Reset() ; 

  TClonesArray *digitsArr = new TClonesArray("AliEMCALDigit",200);
  Int_t bufsize = 32000;
  digitsTree->Branch("EMCAL", &digitsArr, bufsize);

  //must be done here because, in constructor, option is not yet known
  fgRawUtils->SetOption(GetOption());

  fgRawUtils->SetRawFormatHighLowGainFactor(GetRecParam()->GetHighLowGainFactor());
  fgRawUtils->SetRawFormatOrder(GetRecParam()->GetOrderParameter());
  fgRawUtils->SetRawFormatTau(GetRecParam()->GetTau());
  fgRawUtils->SetNoiseThreshold(GetRecParam()->GetNoiseThreshold());
  fgRawUtils->SetNPedSamples(GetRecParam()->GetNPedSamples());

  fgRawUtils->Raw2Digits(rawReader,digitsArr,fPedestalData);

  digitsTree->Fill();
  //digitsArr->Delete(); //Do not delete digits array are not created here.
  //delete digitsArr;

}


//____________________________________________________________________________
void AliEMCALReconstructor::FillESD(TTree* digitsTree, TTree* clustersTree, 
				    AliESDEvent* esd) const
{
  // Called by AliReconstruct after Reconstruct() and global tracking and vertexing 
  // and V0 
  // Works on the current event
  //  printf(" ## AliEMCALReconstructor::FillESD() is started ### \n ");
  //return;

  //######################################################
  //#########Calculate trigger and set trigger info###########
  //######################################################
 
  AliEMCALTrigger tr;
  //   tr.SetPatchSize(1);  // create 4x4 patches
  tr.SetSimulation(kFALSE); // Reconstruction mode
  tr.SetDigitsList(fgDigitsArr);
  // Get VZERO total multiplicity for jet trigger simulation 
  // The simulation of jey trigger will be incorrect if no VZERO data 
  // at ESD
  AliESDVZERO* vZero = esd->GetVZEROData();
  if(vZero) {
    tr.SetVZER0Multiplicity(vZero->GetMTotV0A() + vZero->GetMTotV0C());
  }
  //
  tr.Trigger();

  Float_t maxAmp2x2  = tr.Get2x2MaxAmplitude();
  Float_t maxAmpnxn  = tr.GetnxnMaxAmplitude();
  Float_t ampOutOfPatch2x2  = tr.Get2x2AmpOutOfPatch() ;
  Float_t ampOutOfPatchnxn  = tr.GetnxnAmpOutOfPatch() ;

  Int_t iSM2x2      = tr.Get2x2SuperModule();
  Int_t iSMnxn      = tr.GetnxnSuperModule();
  Int_t iModulePhi2x2 = tr.Get2x2ModulePhi();
  Int_t iModulePhinxn = tr.GetnxnModulePhi();
  Int_t iModuleEta2x2 = tr.Get2x2ModuleEta();
  Int_t iModuleEtanxn = tr.GetnxnModuleEta();

  AliDebug(2, Form("Trigger 2x2 max amp %f, out amp %f, SM %d, iphi %d ieta %d",  maxAmp2x2, ampOutOfPatch2x2, iSM2x2,iModulePhi2x2, iModuleEta2x2));
  AliDebug(2, Form("Trigger 4x4 max amp %f , out amp %f, SM %d, iphi %d, ieta %d",  maxAmpnxn, ampOutOfPatchnxn, iSMnxn,iModulePhinxn, iModuleEtanxn));

  TVector3    pos2x2(-1,-1,-1);
  TVector3    posnxn(-1,-1,-1);

  Int_t iAbsId2x2 = fGeom->GetAbsCellIdFromCellIndexes( iSM2x2, iModulePhi2x2, iModuleEta2x2) ; // should be changed to Module
  Int_t iAbsIdnxn = fGeom->GetAbsCellIdFromCellIndexes( iSMnxn, iModulePhinxn, iModuleEtanxn) ;
  fGeom->GetGlobal(iAbsId2x2, pos2x2);
  fGeom->GetGlobal(iAbsIdnxn, posnxn);
  //printf(" iAbsId2x2 %i iAbsIdnxn %i \n", iAbsId2x2, iAbsIdnxn);
  
  TArrayF triggerPosition(6);
  triggerPosition[0] = pos2x2(0) ;   
  triggerPosition[1] = pos2x2(1) ;   
  triggerPosition[2] = pos2x2(2) ;  
  triggerPosition[3] = posnxn(0) ;   
  triggerPosition[4] = posnxn(1) ;   
  triggerPosition[5] = posnxn(2) ;
  //printf(" triggerPosition ");
  //for(int i=0; i<6; i++) printf(" %i %f : ", i, triggerPosition[i]);

  TArrayF triggerAmplitudes(4);
  triggerAmplitudes[0] = maxAmp2x2 ;   
  triggerAmplitudes[1] = ampOutOfPatch2x2 ;    
  triggerAmplitudes[2] = maxAmpnxn ;   
  triggerAmplitudes[3] = ampOutOfPatchnxn ;   
  //printf("\n triggerAmplitudes ");
  //for(int i=0; i<4; i++) printf(" %i %f : ", i, triggerAmplitudes[i]);
  //printf("\n");
  //tr.Print("");
  //
  // Trigger jet staff
  //
  if(tr.GetNJetThreshold()>0) {
    // Jet phi/eta
    Int_t n0 = triggerPosition.GetSize();
    const TH2F *hpatch = tr.GetJetMatrixE();
    triggerPosition.Set(n0 + 2);
    for(Int_t i=0; i<2; i++) triggerPosition[n0+i] = hpatch->GetMean(i+1);   
    // Add jet ampitudes
    n0 = triggerAmplitudes.GetSize();
    triggerAmplitudes.Set(n0 + tr.GetNJetThreshold());
    Double_t *ampJet = tr.GetL1JetThresholds();
    for(Int_t i=0; i<tr.GetNJetThreshold(); i++){
      triggerAmplitudes[n0 + i] = Float_t(ampJet[i]);
    }
  }
  esd->AddEMCALTriggerPosition(triggerPosition);
  esd->AddEMCALTriggerAmplitudes(triggerAmplitudes);
  // Fill trigger hists
  AliEMCALHistoUtilities::FillTriggersListOfHists(fList,&triggerPosition,&triggerAmplitudes);

  //########################################
  //##############Fill CaloCells###############
  //########################################

  TClonesArray *digits = new TClonesArray("AliEMCALDigit",1000);
  TBranch *branchdig = digitsTree->GetBranch("EMCAL");
  if (!branchdig) { 
    AliError("can't get the branch with the EMCAL digits !");
    return;
  }
  branchdig->SetAddress(&digits);
  digitsTree->GetEvent(0);
  Int_t nDigits = digits->GetEntries(), idignew = 0 ;
  AliDebug(1,Form("%d digits",nDigits));

  AliESDCaloCells &emcCells = *(esd->GetEMCALCells());
  emcCells.CreateContainer(nDigits);
  emcCells.SetType(AliESDCaloCells::kEMCALCell);
  Float_t energy = 0;
  for (Int_t idig = 0 ; idig < nDigits ; idig++) {
    const AliEMCALDigit * dig = (const AliEMCALDigit*)digits->At(idig);
    if(dig->GetAmp() > 0 ){
	  energy = (static_cast<AliEMCALClusterizerv1*> (fgClusterizer))->Calibrate(dig->GetAmp(),dig->GetId());
	  if(energy > 0){ //Digits tagged as bad (dead, hot, not alive) are set to 0 in calibrate, remove them	
		  emcCells.SetCell(idignew,dig->GetId(),energy, dig->GetTime());   
		  idignew++;
	  }
    }
  }
  emcCells.SetNumberOfCells(idignew);
  emcCells.Sort();

  //------------------------------------------------------------
  //-----------------CLUSTERS-----------------------------
  //------------------------------------------------------------
  TObjArray *clusters = new TObjArray(100);
  TBranch *branch = clustersTree->GetBranch("EMCALECARP");
  branch->SetAddress(&clusters);
  clustersTree->GetEvent(0);

  Int_t nClusters = clusters->GetEntries(),  nClustersNew=0;
  AliDebug(1,Form("%d clusters",nClusters));
  esd->SetFirstEMCALCluster(esd->GetNumberOfCaloClusters()); // Put after Phos clusters 


  //######################################################
  //#######################TRACK MATCHING###############
  //######################################################
  //Fill list of integers, each one is index of track to which the cluster belongs.

  // step 1 - initialize array of matched track indexes
  Int_t *matchedTrack = new Int_t[nClusters];
  for (Int_t iclus = 0; iclus < nClusters; iclus++)
    matchedTrack[iclus] = -1;  // neg. index --> no matched track
  
  // step 2, change the flag for all matched clusters found in tracks
  Int_t iemcalMatch = -1;
  Int_t endtpc = esd->GetNumberOfTracks();
  for (Int_t itrack = 0; itrack < endtpc; itrack++) {
    AliESDtrack * track = esd->GetTrack(itrack) ; // retrieve track
    iemcalMatch = track->GetEMCALcluster();
    if(iemcalMatch >= 0) matchedTrack[iemcalMatch] = itrack;
  } 
  
  //########################################
  //##############Fill CaloClusters#############
  //########################################
  esd->SetNumberOfEMCALClusters(nClusters);
  for (Int_t iClust = 0 ; iClust < nClusters ; iClust++) {
    const AliEMCALRecPoint * clust = (const AliEMCALRecPoint*)clusters->At(iClust);
    //if(clust->GetClusterType()== AliESDCaloCluster::kEMCALClusterv1) nRP++; else nPC++;
    if (Debug()) clust->Print();
    // Get information from EMCAL reconstruction points
    Float_t xyz[3];
    TVector3 gpos;
    clust->GetGlobalPosition(gpos);
    for (Int_t ixyz=0; ixyz<3; ixyz++)
      xyz[ixyz] = gpos[ixyz];
    Float_t elipAxis[2];
    clust->GetElipsAxis(elipAxis);
       //Create digits lists
    Int_t cellMult = clust->GetMultiplicity();
    //TArrayS digiList(digitMult);
    Float_t *amplFloat = clust->GetEnergiesList();
    Int_t   *digitInts = clust->GetAbsId();
    TArrayS absIdList(cellMult);
    TArrayD fracList(cellMult);

    Int_t newCellMult = 0;
    for (Int_t iCell=0; iCell<cellMult; iCell++) {
      if (amplFloat[iCell] > 0) {
      absIdList[newCellMult] = (UShort_t)(digitInts[iCell]);
      //Uncomment when unfolding is done
      //if(emcCells.GetCellAmplitude(digitInts[iCell])>0)
      //fracList[newCellMult] = amplFloat[iCell]/(emcCells.GetCellAmplitude(digitInts[iCell])*calibration);//get cell calibration value 
      //else
      fracList[newCellMult] = 0; 
      newCellMult++;
      }
    }

    absIdList.Set(newCellMult);
    fracList.Set(newCellMult);
    
    if(newCellMult > 0) { // accept cluster if it has some digit
      nClustersNew++;
      //Primaries
      Int_t  parentMult  = 0;
      Int_t *parentList =  clust->GetParents(parentMult);
      // fills the ESDCaloCluster
      AliESDCaloCluster * ec = new AliESDCaloCluster() ;
      ec->SetClusterType(AliESDCaloCluster::kEMCALClusterv1);
      ec->SetPosition(xyz);
      ec->SetE(clust->GetEnergy());
		
	  //Distance to the nearest bad crystal
	  ec->SetDistanceToBadChannel(clust->GetDistanceToBadTower()); 

      ec->SetNCells(newCellMult);
      //Change type of list from short to ushort
      UShort_t *newAbsIdList  = new UShort_t[newCellMult];
      Double_t *newFracList  = new Double_t[newCellMult];
      for(Int_t i = 0; i < newCellMult ; i++) {
        newAbsIdList[i]=absIdList[i];
        newFracList[i]=fracList[i];
      }
      ec->SetCellsAbsId(newAbsIdList);
      ec->SetCellsAmplitudeFraction(newFracList);
      ec->SetClusterDisp(clust->GetDispersion());
      ec->SetClusterChi2(-1); //not yet implemented
      ec->SetM02(elipAxis[0]*elipAxis[0]) ;
      ec->SetM20(elipAxis[1]*elipAxis[1]) ;
      ec->SetTOF(clust->GetTime()) ; //time-of-fligh
      ec->SetNExMax(clust->GetNExMax());          //number of local maxima
      TArrayI arrayTrackMatched(1);// Only one track, temporal solution.
      arrayTrackMatched[0]= matchedTrack[iClust];
      ec->AddTracksMatched(arrayTrackMatched);

      TArrayI arrayParents(parentMult,parentList);
      ec->AddLabels(arrayParents);

      // add the cluster to the esd object
      esd->AddCaloCluster(ec);
      delete ec;
      delete [] newAbsIdList ;
      delete [] newFracList ;
   }
 } // cycle on clusters

 delete [] matchedTrack;

 esd->SetNumberOfEMCALClusters(nClustersNew);
 //if(nClustersNew != nClusters)
 //printf(" ##### nClusters %i -> new %i ##### \n", nClusters, nClustersNew );

 //Fill ESDCaloCluster with PID weights
  AliEMCALPID *pid = new AliEMCALPID;
  //pid->SetPrintInfo(kTRUE);
  pid->SetReconstructor(kTRUE);
  pid->RunPID(esd);
  delete pid;
  
  //delete digits;
  delete clusters;
  
  // printf(" ## AliEMCALReconstructor::FillESD() is ended : ncl %i -> %i ### \n ",nClusters, nClustersNew); 

  //Store EMCAL misalignment matrixes
  FillMisalMatrixes(esd) ;

}

//==================================================================================
void AliEMCALReconstructor::FillMisalMatrixes(AliESDEvent* esd)const{
	//Store EMCAL matrixes in ESD Header
	
	//Check, if matrixes was already stored
	for(Int_t sm = 0 ; sm < 12; sm++){
		if(esd->GetEMCALMatrix(sm)!=0)
			return ;
	}
	
	//Create and store matrixes
	if(!gGeoManager){
		AliError("Can not store misal. matrixes: no gGeoManager! \n") ;
		return ;
	}
	//Note, that owner of copied marixes will be header
	char path[255] ;
	TGeoHMatrix * m = 0x0;
	for(Int_t sm = 0; sm < 12; sm++){
		sprintf(path,"/ALIC_1/XEN1_1/SMOD_%d",sm+1) ; //In Geometry modules numbered 1,2,.,5
		if(sm >= 10) sprintf(path,"/ALIC_1/XEN1_1/SM10_%d",sm-10+1) ;
		
		if (gGeoManager->cd(path)){
			m = gGeoManager->GetCurrentMatrix() ;
			esd->SetEMCALMatrix(new TGeoHMatrix(*m),sm) ;
		}
		else{
			esd->SetEMCALMatrix(NULL,sm) ;
		}
	}
}


//__________________________________________________________________________
void AliEMCALReconstructor::ReadDigitsArrayFromTree(TTree *digitsTree) const
{
  // See AliEMCALClusterizer::SetInput(TTree *digitsTree);
  if(fgDigitsArr) {
    // Clear previous digits 
    fgDigitsArr->Delete();
    delete fgDigitsArr;
  }
  // 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;
  }
  fgDigitsArr = new TClonesArray("AliEMCALDigit",100);
  branch->SetAddress(&fgDigitsArr);
  branch->GetEntry(0);
}
Commit	Line	Data
f6019cda	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	//_________________________________________________________________________
fa42b1f3	19	//--
fa42b1f3	20	//-- Yves Schutz (SUBATECH)
f6019cda	21	// Reconstruction class. Redesigned from the old AliReconstructionner class and
	22	// derived from STEER/AliReconstructor.
	23	//
85c25c2e	24	//-- Aleksei Pavlinov : added staf for EMCAL jet trigger 9Apr 25, 2008)
	25	// : fgDigitsArr should read just once at event
	26
f6019cda	27	// --- ROOT system ---
85c25c2e	28	#include <TList.h>
85c25c2e	29	#include <TClonesArray.h>
60d8ad94	30	#include <TH2.h>
0c5b726e	31	#include "TGeoManager.h"
0c5b726e	32	#include "TGeoMatrix.h"
f6019cda	33
	34	// --- Standard library ---
	35
	36	// --- AliRoot header files ---
f6019cda	37	#include "AliEMCALReconstructor.h"
5dee926e	38
aaa3cb7c	39	#include "AliCodeTimer.h"
af885e0f	40	#include "AliESDEvent.h"
89ffc0b0	41	#include "AliESDCaloCluster.h"
0e7c6655	42	#include "AliESDCaloCells.h"
6a0cf740	43	#include "AliESDtrack.h"
5dee926e	44	#include "AliEMCALLoader.h"
98e9578e	45	#include "AliEMCALRawUtils.h"
0e7c6655	46	#include "AliEMCALDigit.h"
f6019cda	47	#include "AliEMCALClusterizerv1.h"
5dee926e	48	#include "AliEMCALRecPoint.h"
dc293ae9	49	#include "AliEMCALPID.h"
0964c2e9	50	#include "AliEMCALTrigger.h"
1d59832c	51	#include "AliRawReader.h"
fa42b1f3	52	#include "AliCDBEntry.h"
fa42b1f3	53	#include "AliCDBManager.h"
65bdc82f	54	#include "AliEMCALGeometry.h"
ac8ae9fe	55	#include "AliEMCAL.h"
85c25c2e	56	#include "AliEMCALHistoUtilities.h"
85c25c2e	57	#include "AliESDVZERO.h"
0c5b726e	58	#include "AliCDBManager.h"
72c58de0	59	#include "AliRunLoader.h"
72c58de0	60	#include "AliRun.h"
1d59832c	61
85c25c2e	62	ClassImp(AliEMCALReconstructor)
f6019cda	63
ba6de5ea	64	const AliEMCALRecParam* AliEMCALReconstructor::fgkRecParam = 0; // EMCAL rec. parameters
65bdc82f	65	AliEMCALRawUtils* AliEMCALReconstructor::fgRawUtils = 0; // EMCAL raw utilities class
9517d886	66	AliEMCALClusterizer* AliEMCALReconstructor::fgClusterizer = 0; // EMCAL clusterizer class
85c25c2e	67	TClonesArray* AliEMCALReconstructor::fgDigitsArr = 0; // shoud read just once at event
f6019cda	68	//____________________________________________________________________________
18a21c7c	69	AliEMCALReconstructor::AliEMCALReconstructor()
40164976	70	: fDebug(kFALSE), fList(0), fGeom(0),fCalibData(0),fPedestalData(0)
f6019cda	71	{
f6019cda	72	// ctor
65bdc82f	73
65bdc82f	74	fgRawUtils = new AliEMCALRawUtils;
72c58de0	75
	76	//To make sure we match with the geometry in a simulation file,
	77	//let's try to get it first. If not, take the default geometry
33c3c91a	78	AliRunLoader *rl = AliRunLoader::Instance();
72c58de0	79	if (rl->GetAliRun() && rl->GetAliRun()->GetDetector("EMCAL")) {
	80	fGeom = dynamic_cast<AliEMCAL*>(rl->GetAliRun()->GetDetector("EMCAL"))->GetGeometry();
	81	} else {
	82	AliInfo(Form("Using default geometry in reconstruction"));
937d0661	83	fGeom = AliEMCALGeometry::GetInstance(AliEMCALGeometry::GetDefaultGeometryName());
65bdc82f	84	}
0e7c6655	85
0c5b726e	86	//Get calibration parameters
	87	if(!fCalibData)
	88	{
	89	AliCDBEntry entry = (AliCDBEntry)
	90	AliCDBManager::Instance()->Get("EMCAL/Calib/Data");
	91	if (entry) fCalibData = (AliEMCALCalibData*) entry->GetObject();
	92	}
	93
	94	if(!fCalibData)
	95	AliFatal("Calibration parameters not found in CDB!");
	96
40164976	97	//Get calibration parameters
	98	if(!fPedestalData)
	99	{
	100	AliCDBEntry entry = (AliCDBEntry)
	101	AliCDBManager::Instance()->Get("EMCAL/Calib/Pedestals");
	102	if (entry) fPedestalData = (AliCaloCalibPedestal*) entry->GetObject();
	103	}
	104
	105	if(!fPedestalData)
	106	AliFatal("Dead map not found in CDB!");
	107
	108
0c5b726e	109	//Init the clusterizer with geometry and calibration pointers, avoid doing it twice.
40164976	110	fgClusterizer = new AliEMCALClusterizerv1(fGeom, fCalibData,fPedestalData);
0c5b726e	111
72c58de0	112	if(!fGeom) AliFatal(Form("Could not get geometry!"));
72c58de0	113
f6019cda	114	}
f6019cda	115
f6019cda	116	//____________________________________________________________________________
	117	AliEMCALReconstructor::~AliEMCALReconstructor()
	118	{
	119	// dtor
65bdc82f	120	delete fGeom;
5e3106bc	121	delete fgRawUtils;
	122	delete fgClusterizer;
	123
aaa3cb7c	124	AliCodeTimer::Instance()->Print();
f6019cda	125	}
f6019cda	126
85c25c2e	127	//____________________________________________________________________________
	128	void AliEMCALReconstructor::Init()
	129	{
	130	// Trigger hists - Oct 24, 2007
	131	fList = AliEMCALHistoUtilities::GetTriggersListOfHists(kTRUE);
	132	}
	133
f6019cda	134	//____________________________________________________________________________
c47157cd	135	void AliEMCALReconstructor::Reconstruct(TTree* digitsTree, TTree* clustersTree) const
f6019cda	136	{
	137	// method called by AliReconstruction;
	138	// Only the clusterization is performed,; the rest of the reconstruction is done in FillESD because the track
	139	// segment maker needs access to the AliESD object to retrieve the tracks reconstructed by
	140	// the global tracking.
c47157cd	141	// Works on the current event.
fa42b1f3	142
1a429a6b	143	AliCodeTimerAuto("",0)
aaa3cb7c	144
85c25c2e	145	ReadDigitsArrayFromTree(digitsTree);
0832a2bf	146	fgClusterizer->InitParameters();
4601e3a7	147	fgClusterizer->SetOutput(clustersTree);
0c5b726e	148
85c25c2e	149	if(fgDigitsArr && fgDigitsArr->GetEntries()) {
85c25c2e	150
9517d886	151	fgClusterizer->SetInput(digitsTree);
9517d886	152
85c25c2e	153	if(Debug())
9517d886	154	fgClusterizer->Digits2Clusters("deb all") ;
85c25c2e	155	else
9517d886	156	fgClusterizer->Digits2Clusters("");
	157
	158	fgClusterizer->Clear();
85c25c2e	159
85c25c2e	160	}
9517d886	161
f6019cda	162	}
f6019cda	163
a68156e6	164	//____________________________________________________________________________
c47157cd	165	void AliEMCALReconstructor::ConvertDigits(AliRawReader* rawReader, TTree* digitsTree) const
98e9578e	166
a68156e6	167	{
c47157cd	168	// Conversion from raw data to
	169	// EMCAL digits.
	170	// Works on a single-event basis
85c60a8e	171
98e9578e	172	rawReader->Reset() ;
98e9578e	173
3e5fa09c	174	TClonesArray *digitsArr = new TClonesArray("AliEMCALDigit",200);
c47157cd	175	Int_t bufsize = 32000;
c47157cd	176	digitsTree->Branch("EMCAL", &digitsArr, bufsize);
98e9578e	177
65bdc82f	178	//must be done here because, in constructor, option is not yet known
65bdc82f	179	fgRawUtils->SetOption(GetOption());
b4133f05	180
0832a2bf	181	fgRawUtils->SetRawFormatHighLowGainFactor(GetRecParam()->GetHighLowGainFactor());
	182	fgRawUtils->SetRawFormatOrder(GetRecParam()->GetOrderParameter());
	183	fgRawUtils->SetRawFormatTau(GetRecParam()->GetTau());
	184	fgRawUtils->SetNoiseThreshold(GetRecParam()->GetNoiseThreshold());
	185	fgRawUtils->SetNPedSamples(GetRecParam()->GetNPedSamples());
b4133f05	186
5e3106bc	187	fgRawUtils->Raw2Digits(rawReader,digitsArr,fPedestalData);
c615db53	188
c615db53	189	digitsTree->Fill();
5e3106bc	190	//digitsArr->Delete(); //Do not delete digits array are not created here.
5e3106bc	191	//delete digitsArr;
c615db53	192
a68156e6	193	}
a68156e6	194
85c25c2e	195
f6019cda	196	//____________________________________________________________________________
0e7c6655	197	void AliEMCALReconstructor::FillESD(TTree* digitsTree, TTree* clustersTree,
c47157cd	198	AliESDEvent* esd) const
f6019cda	199	{
98e9578e	200	// Called by AliReconstruct after Reconstruct() and global tracking and vertexing
85c25c2e	201	// and V0
c47157cd	202	// Works on the current event
85c25c2e	203	// printf(" ## AliEMCALReconstructor::FillESD() is started ### \n ");
85c25c2e	204	//return;
92da3372	205
6a0cf740	206	//######################################################
0964c2e9	207	//#########Calculate trigger and set trigger info###########
6a0cf740	208	//######################################################
85c25c2e	209
	210	AliEMCALTrigger tr;
	211	// tr.SetPatchSize(1); // create 4x4 patches
	212	tr.SetSimulation(kFALSE); // Reconstruction mode
	213	tr.SetDigitsList(fgDigitsArr);
	214	// Get VZERO total multiplicity for jet trigger simulation
	215	// The simulation of jey trigger will be incorrect if no VZERO data
	216	// at ESD
	217	AliESDVZERO* vZero = esd->GetVZEROData();
	218	if(vZero) {
	219	tr.SetVZER0Multiplicity(vZero->GetMTotV0A() + vZero->GetMTotV0C());
	220	}
	221	//
0964c2e9	222	tr.Trigger();
85c25c2e	223
0964c2e9	224	Float_t maxAmp2x2 = tr.Get2x2MaxAmplitude();
	225	Float_t maxAmpnxn = tr.GetnxnMaxAmplitude();
	226	Float_t ampOutOfPatch2x2 = tr.Get2x2AmpOutOfPatch() ;
	227	Float_t ampOutOfPatchnxn = tr.GetnxnAmpOutOfPatch() ;
	228
0964c2e9	229	Int_t iSM2x2 = tr.Get2x2SuperModule();
0964c2e9	230	Int_t iSMnxn = tr.GetnxnSuperModule();
85c25c2e	231	Int_t iModulePhi2x2 = tr.Get2x2ModulePhi();
	232	Int_t iModulePhinxn = tr.GetnxnModulePhi();
	233	Int_t iModuleEta2x2 = tr.Get2x2ModuleEta();
	234	Int_t iModuleEtanxn = tr.GetnxnModuleEta();
0964c2e9	235
85c25c2e	236	AliDebug(2, Form("Trigger 2x2 max amp %f, out amp %f, SM %d, iphi %d ieta %d", maxAmp2x2, ampOutOfPatch2x2, iSM2x2,iModulePhi2x2, iModuleEta2x2));
85c25c2e	237	AliDebug(2, Form("Trigger 4x4 max amp %f , out amp %f, SM %d, iphi %d, ieta %d", maxAmpnxn, ampOutOfPatchnxn, iSMnxn,iModulePhinxn, iModuleEtanxn));
0964c2e9	238
	239	TVector3 pos2x2(-1,-1,-1);
	240	TVector3 posnxn(-1,-1,-1);
	241
85c25c2e	242	Int_t iAbsId2x2 = fGeom->GetAbsCellIdFromCellIndexes( iSM2x2, iModulePhi2x2, iModuleEta2x2) ; // should be changed to Module
85c25c2e	243	Int_t iAbsIdnxn = fGeom->GetAbsCellIdFromCellIndexes( iSMnxn, iModulePhinxn, iModuleEtanxn) ;
65bdc82f	244	fGeom->GetGlobal(iAbsId2x2, pos2x2);
65bdc82f	245	fGeom->GetGlobal(iAbsIdnxn, posnxn);
85c25c2e	246	//printf(" iAbsId2x2 %i iAbsIdnxn %i \n", iAbsId2x2, iAbsIdnxn);
0964c2e9	247
	248	TArrayF triggerPosition(6);
	249	triggerPosition[0] = pos2x2(0) ;
	250	triggerPosition[1] = pos2x2(1) ;
	251	triggerPosition[2] = pos2x2(2) ;
	252	triggerPosition[3] = posnxn(0) ;
	253	triggerPosition[4] = posnxn(1) ;
85c25c2e	254	triggerPosition[5] = posnxn(2) ;
	255	//printf(" triggerPosition ");
	256	//for(int i=0; i<6; i++) printf(" %i %f : ", i, triggerPosition[i]);
0964c2e9	257
	258	TArrayF triggerAmplitudes(4);
	259	triggerAmplitudes[0] = maxAmp2x2 ;
	260	triggerAmplitudes[1] = ampOutOfPatch2x2 ;
	261	triggerAmplitudes[2] = maxAmpnxn ;
	262	triggerAmplitudes[3] = ampOutOfPatchnxn ;
85c25c2e	263	//printf("\n triggerAmplitudes ");
	264	//for(int i=0; i<4; i++) printf(" %i %f : ", i, triggerAmplitudes[i]);
	265	//printf("\n");
85d4cbde	266	//tr.Print("");
60d8ad94	267	//
	268	// Trigger jet staff
	269	//
	270	if(tr.GetNJetThreshold()>0) {
	271	// Jet phi/eta
	272	Int_t n0 = triggerPosition.GetSize();
	273	const TH2F *hpatch = tr.GetJetMatrixE();
	274	triggerPosition.Set(n0 + 2);
	275	for(Int_t i=0; i<2; i++) triggerPosition[n0+i] = hpatch->GetMean(i+1);
	276	// Add jet ampitudes
	277	n0 = triggerAmplitudes.GetSize();
	278	triggerAmplitudes.Set(n0 + tr.GetNJetThreshold());
	279	Double_t *ampJet = tr.GetL1JetThresholds();
	280	for(Int_t i=0; i<tr.GetNJetThreshold(); i++){
	281	triggerAmplitudes[n0 + i] = Float_t(ampJet[i]);
	282	}
	283	}
0964c2e9	284	esd->AddEMCALTriggerPosition(triggerPosition);
0964c2e9	285	esd->AddEMCALTriggerAmplitudes(triggerAmplitudes);
85c25c2e	286	// Fill trigger hists
85c25c2e	287	AliEMCALHistoUtilities::FillTriggersListOfHists(fList,&triggerPosition,&triggerAmplitudes);
aaa3cb7c	288
0e7c6655	289	//########################################
	290	//##############Fill CaloCells###############
	291	//########################################
aaa3cb7c	292
0e7c6655	293	TClonesArray *digits = new TClonesArray("AliEMCALDigit",1000);
	294	TBranch *branchdig = digitsTree->GetBranch("EMCAL");
	295	if (!branchdig) {
0c5b726e	296	AliError("can't get the branch with the EMCAL digits !");
0e7c6655	297	return;
	298	}
	299	branchdig->SetAddress(&digits);
	300	digitsTree->GetEvent(0);
	301	Int_t nDigits = digits->GetEntries(), idignew = 0 ;
	302	AliDebug(1,Form("%d digits",nDigits));
	303
	304	AliESDCaloCells &emcCells = *(esd->GetEMCALCells());
	305	emcCells.CreateContainer(nDigits);
	306	emcCells.SetType(AliESDCaloCells::kEMCALCell);
0c5b726e	307	Float_t energy = 0;
0e7c6655	308	for (Int_t idig = 0 ; idig < nDigits ; idig++) {
	309	const AliEMCALDigit * dig = (const AliEMCALDigit*)digits->At(idig);
	310	if(dig->GetAmp() > 0 ){
0c5b726e	311	energy = (static_cast<AliEMCALClusterizerv1*> (fgClusterizer))->Calibrate(dig->GetAmp(),dig->GetId());
40164976	312	if(energy > 0){ //Digits tagged as bad (dead, hot, not alive) are set to 0 in calibrate, remove them
	313	emcCells.SetCell(idignew,dig->GetId(),energy, dig->GetTime());
	314	idignew++;
	315	}
0e7c6655	316	}
	317	}
	318	emcCells.SetNumberOfCells(idignew);
	319	emcCells.Sort();
	320
	321	//------------------------------------------------------------
	322	//-----------------CLUSTERS-----------------------------
	323	//------------------------------------------------------------
	324	TObjArray *clusters = new TObjArray(100);
	325	TBranch *branch = clustersTree->GetBranch("EMCALECARP");
	326	branch->SetAddress(&clusters);
	327	clustersTree->GetEvent(0);
	328
	329	Int_t nClusters = clusters->GetEntries(), nClustersNew=0;
	330	AliDebug(1,Form("%d clusters",nClusters));
	331	esd->SetFirstEMCALCluster(esd->GetNumberOfCaloClusters()); // Put after Phos clusters
	332
85c25c2e	333
6a0cf740	334	//######################################################
	335	//#######################TRACK MATCHING###############
	336	//######################################################
	337	//Fill list of integers, each one is index of track to which the cluster belongs.
	338
	339	// step 1 - initialize array of matched track indexes
	340	Int_t *matchedTrack = new Int_t[nClusters];
	341	for (Int_t iclus = 0; iclus < nClusters; iclus++)
	342	matchedTrack[iclus] = -1; // neg. index --> no matched track
	343
	344	// step 2, change the flag for all matched clusters found in tracks
	345	Int_t iemcalMatch = -1;
	346	Int_t endtpc = esd->GetNumberOfTracks();
	347	for (Int_t itrack = 0; itrack < endtpc; itrack++) {
	348	AliESDtrack * track = esd->GetTrack(itrack) ; // retrieve track
	349	iemcalMatch = track->GetEMCALcluster();
65f4a419	350	if(iemcalMatch >= 0) matchedTrack[iemcalMatch] = itrack;
6a0cf740	351	}
85c25c2e	352
6a0cf740	353	//########################################
85c25c2e	354	//##############Fill CaloClusters#############
6a0cf740	355	//########################################
35397e76	356	esd->SetNumberOfEMCALClusters(nClusters);
5dee926e	357	for (Int_t iClust = 0 ; iClust < nClusters ; iClust++) {
c47157cd	358	const AliEMCALRecPoint * clust = (const AliEMCALRecPoint*)clusters->At(iClust);
8ada0ffe	359	//if(clust->GetClusterType()== AliESDCaloCluster::kEMCALClusterv1) nRP++; else nPC++;
85c60a8e	360	if (Debug()) clust->Print();
a7a5421e	361	// Get information from EMCAL reconstruction points
85c60a8e	362	Float_t xyz[3];
5dee926e	363	TVector3 gpos;
5dee926e	364	clust->GetGlobalPosition(gpos);
35397e76	365	for (Int_t ixyz=0; ixyz<3; ixyz++)
5dee926e	366	xyz[ixyz] = gpos[ixyz];
85c25c2e	367	Float_t elipAxis[2];
85c25c2e	368	clust->GetElipsAxis(elipAxis);
35397e76	369	//Create digits lists
	370	Int_t cellMult = clust->GetMultiplicity();
	371	//TArrayS digiList(digitMult);
	372	Float_t *amplFloat = clust->GetEnergiesList();
	373	Int_t *digitInts = clust->GetAbsId();
	374	TArrayS absIdList(cellMult);
eb972628	375	TArrayD fracList(cellMult);
35397e76	376
	377	Int_t newCellMult = 0;
	378	for (Int_t iCell=0; iCell<cellMult; iCell++) {
	379	if (amplFloat[iCell] > 0) {
	380	absIdList[newCellMult] = (UShort_t)(digitInts[iCell]);
eb972628	381	//Uncomment when unfolding is done
	382	//if(emcCells.GetCellAmplitude(digitInts[iCell])>0)
	383	//fracList[newCellMult] = amplFloat[iCell]/(emcCells.GetCellAmplitude(digitInts[iCell])*calibration);//get cell calibration value
	384	//else
	385	fracList[newCellMult] = 0;
35397e76	386	newCellMult++;
92da3372	387	}
92da3372	388	}
85c25c2e	389
eb972628	390	absIdList.Set(newCellMult);
	391	fracList.Set(newCellMult);
	392
35397e76	393	if(newCellMult > 0) { // accept cluster if it has some digit
35397e76	394	nClustersNew++;
65721814	395	//Primaries
7592dfc4	396	Int_t parentMult = 0;
fa42b1f3	397	Int_t *parentList = clust->GetParents(parentMult);
a7a5421e	398	// fills the ESDCaloCluster
35397e76	399	AliESDCaloCluster * ec = new AliESDCaloCluster() ;
35397e76	400	ec->SetClusterType(AliESDCaloCluster::kEMCALClusterv1);
7592dfc4	401	ec->SetPosition(xyz);
7592dfc4	402	ec->SetE(clust->GetEnergy());
40164976	403
	404	//Distance to the nearest bad crystal
	405	ec->SetDistanceToBadChannel(clust->GetDistanceToBadTower());
	406
35397e76	407	ec->SetNCells(newCellMult);
	408	//Change type of list from short to ushort
	409	UShort_t *newAbsIdList = new UShort_t[newCellMult];
eb972628	410	Double_t *newFracList = new Double_t[newCellMult];
35397e76	411	for(Int_t i = 0; i < newCellMult ; i++) {
35397e76	412	newAbsIdList[i]=absIdList[i];
eb972628	413	newFracList[i]=fracList[i];
35397e76	414	}
35397e76	415	ec->SetCellsAbsId(newAbsIdList);
eb972628	416	ec->SetCellsAmplitudeFraction(newFracList);
35397e76	417	ec->SetClusterDisp(clust->GetDispersion());
	418	ec->SetClusterChi2(-1); //not yet implemented
	419	ec->SetM02(elipAxis[0]*elipAxis[0]) ;
	420	ec->SetM20(elipAxis[1]*elipAxis[1]) ;
78902954	421	ec->SetTOF(clust->GetTime()) ; //time-of-fligh
225cd96d	422	ec->SetNExMax(clust->GetNExMax()); //number of local maxima
35397e76	423	TArrayI arrayTrackMatched(1);// Only one track, temporal solution.
	424	arrayTrackMatched[0]= matchedTrack[iClust];
	425	ec->AddTracksMatched(arrayTrackMatched);
	426
	427	TArrayI arrayParents(parentMult,parentList);
	428	ec->AddLabels(arrayParents);
	429
6a0cf740	430	// add the cluster to the esd object
eb972628	431	esd->AddCaloCluster(ec);
a7a5421e	432	delete ec;
85d4cbde	433	delete [] newAbsIdList ;
eb972628	434	delete [] newFracList ;
35397e76	435	}
35397e76	436	} // cycle on clusters
85c25c2e	437
35397e76	438	delete [] matchedTrack;
85c25c2e	439
35397e76	440	esd->SetNumberOfEMCALClusters(nClustersNew);
	441	//if(nClustersNew != nClusters)
	442	//printf(" ##### nClusters %i -> new %i ##### \n", nClusters, nClustersNew );
85c25c2e	443
35397e76	444	//Fill ESDCaloCluster with PID weights
85c25c2e	445	AliEMCALPID *pid = new AliEMCALPID;
	446	//pid->SetPrintInfo(kTRUE);
	447	pid->SetReconstructor(kTRUE);
	448	pid->RunPID(esd);
85c25c2e	449	delete pid;
eb972628	450
5e3106bc	451	//delete digits;
85c25c2e	452	delete clusters;
eb972628	453
35397e76	454	// printf(" ## AliEMCALReconstructor::FillESD() is ended : ncl %i -> %i ### \n ",nClusters, nClustersNew);
0c5b726e	455
	456	//Store EMCAL misalignment matrixes
	457	FillMisalMatrixes(esd) ;
	458
	459	}
	460
	461	//==================================================================================
	462	void AliEMCALReconstructor::FillMisalMatrixes(AliESDEvent* esd)const{
	463	//Store EMCAL matrixes in ESD Header
	464
	465	//Check, if matrixes was already stored
	466	for(Int_t sm = 0 ; sm < 12; sm++){
	467	if(esd->GetEMCALMatrix(sm)!=0)
	468	return ;
	469	}
	470
	471	//Create and store matrixes
	472	if(!gGeoManager){
	473	AliError("Can not store misal. matrixes: no gGeoManager! \n") ;
	474	return ;
	475	}
	476	//Note, that owner of copied marixes will be header
	477	char path[255] ;
5e3106bc	478	TGeoHMatrix * m = 0x0;
0c5b726e	479	for(Int_t sm = 0; sm < 12; sm++){
	480	sprintf(path,"/ALIC_1/XEN1_1/SMOD_%d",sm+1) ; //In Geometry modules numbered 1,2,.,5
	481	if(sm >= 10) sprintf(path,"/ALIC_1/XEN1_1/SM10_%d",sm-10+1) ;
	482
	483	if (gGeoManager->cd(path)){
	484	m = gGeoManager->GetCurrentMatrix() ;
	485	esd->SetEMCALMatrix(new TGeoHMatrix(*m),sm) ;
	486	}
	487	else{
	488	esd->SetEMCALMatrix(NULL,sm) ;
	489	}
	490	}
f6019cda	491	}
dc293ae9	492
0c5b726e	493
0c5b726e	494
9517d886	495	//__________________________________________________________________________
85c25c2e	496	void AliEMCALReconstructor::ReadDigitsArrayFromTree(TTree *digitsTree) const
	497	{
	498	// See AliEMCALClusterizer::SetInput(TTree *digitsTree);
	499	if(fgDigitsArr) {
	500	// Clear previous digits
	501	fgDigitsArr->Delete();
	502	delete fgDigitsArr;
	503	}
	504	// Read the digits from the input tree
	505	TBranch *branch = digitsTree->GetBranch("EMCAL");
	506	if (!branch) {
	507	AliError("can't get the branch with the EMCAL digits !");
	508	return;
	509	}
	510	fgDigitsArr = new TClonesArray("AliEMCALDigit",100);
	511	branch->SetAddress(&fgDigitsArr);
	512	branch->GetEntry(0);
	513	}
98e9578e	514