[u/mrichter/AliRoot.git] / HMPID / AliHMPIDReconstructor.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.                  *
 **************************************************************************/
//.
// HMPID base class to reconstruct an event
//.
//.
//.
#include "AliHMPIDReconstructor.h" //class header
#include "AliHMPID.h"              //Reconstruct() 
#include "AliHMPIDCluster.h"       //Dig2Clu()
#include "AliHMPIDPid.h"           //FillEsd() 
#include "AliHMPIDParam.h"         //FillEsd() 
#include <AliCDBEntry.h>           //ctor
#include <AliCDBManager.h>         //ctor
#include <AliESDEvent.h>           //FillEsd()
#include <AliRawReader.h>          //Reconstruct() for raw digits
#include <AliLog.h>                //
#include "AliHMPIDRawStream.h"     //ConvertDigits()
#include "AliHMPIDRecoParamV1.h"   //ctor

ClassImp(AliHMPIDReconstructor)

Int_t AliHMPIDReconstructor::fgStreamLevel = 0;        // stream (debug) level

//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
AliHMPIDReconstructor::AliHMPIDReconstructor():AliReconstructor(),fDaqSig(0),fDig(0),fClu(0)
{
//
//ctor
//
  AliHMPIDParam::Instance();                                                        //geometry loaded for reconstruction

  fClu=new TObjArray(AliHMPIDParam::kMaxCh+1); fClu->SetOwner(kTRUE);
  fDig=new TObjArray(AliHMPIDParam::kMaxCh+1); fDig->SetOwner(kTRUE);
  
  for(int i=AliHMPIDParam::kMinCh;i<=AliHMPIDParam::kMaxCh;i++){ 
    fDig->AddAt(new TClonesArray("AliHMPIDDigit",24000),i);
    TClonesArray *pClus = new TClonesArray("AliHMPIDCluster",24000);
    pClus->SetUniqueID(i);
    fClu->AddAt(pClus,i);
  }
 
  AliCDBEntry *pDaqSigEnt =AliCDBManager::Instance()->Get("HMPID/Calib/DaqSig");  //contains TObjArray of TObjArray 14 TMatrixF sigmas values for pads 
  if(!pDaqSigEnt) AliFatal("No pedestals from DAQ!");
  fDaqSig = (TObjArray*)pDaqSigEnt->GetObject();
  for(Int_t iCh=AliHMPIDParam::kMinCh;iCh<=AliHMPIDParam::kMaxCh;iCh++){                  //chambers loop 
    AliDebug(1,Form("DaqSigCut successfully loaded for chamber %i -> %i ",iCh,(Int_t)fDaqSig->At(iCh)->GetUniqueID()));
  }
}//AliHMPIDReconstructor
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
void AliHMPIDReconstructor::Dig2Clu(TObjArray *pDigAll,TObjArray *pCluAll,Int_t *pUserCut,Bool_t isTryUnfold)
{
// Finds all clusters for a given digits list provided not empty. Currently digits list is a list of all digits for a single chamber.
// Puts all found clusters in separate lists, one per clusters. 
// Arguments: pDigAll     - list of digits for all chambers 
//            pCluAll     - list of clusters for all chambers
//            isTryUnfold - flag to choose between CoG and Mathieson fitting  
//  Returns: none    
  TMatrixF padMap(AliHMPIDParam::kMinPx,AliHMPIDParam::kMaxPcx,AliHMPIDParam::kMinPy,AliHMPIDParam::kMaxPcy);  //pads map for single chamber 0..159 x 0..143 
  
  for(Int_t iCh=AliHMPIDParam::kMinCh;iCh<=AliHMPIDParam::kMaxCh;iCh++){                  //chambers loop 
    TClonesArray *pDigCur=(TClonesArray*)pDigAll->At(iCh);                                //get list of digits for current chamber
    if(pDigCur->GetEntriesFast()==0) continue;                                            //no digits for current chamber
  
    padMap=(Float_t)-1;                                                                   //reset map to -1 (means no digit for this pad)  
    TClonesArray *pCluCur=(TClonesArray*)pCluAll->At(iCh);                                //get list of clusters for current chamber
    
    for(Int_t iDig=0;iDig<pDigCur->GetEntriesFast();iDig++){                              //digits loop to fill pads map
      AliHMPIDDigit *pDig= (AliHMPIDDigit*)pDigCur->At(iDig);                             //get current digit
      padMap( pDig->PadChX(), pDig->PadChY() )=iDig;                                      //fill the map, (padx,pady) cell takes digit index
    }//digits loop to fill digits map 
    
    AliHMPIDCluster clu;                                                                  //tmp cluster to be used as current
    for(Int_t iDig=0;iDig<pDigCur->GetEntriesFast();iDig++){                              //digits loop for current chamber
      AliHMPIDDigit *pDig=(AliHMPIDDigit*)pDigCur->At(iDig);                              //take current digit
      if(!(pDig=UseDig(pDig->PadChX(),pDig->PadChY(),pDigCur,&padMap))) continue;         //this digit is already taken in FormClu(), go after next digit
      FormClu(&clu,pDig,pDigCur,&padMap);                                                 //form cluster starting from this digit by recursion
      clu.Solve(pCluCur,pUserCut,isTryUnfold);                                 //solve this cluster and add all unfolded clusters to provided list  
      clu.Reset();                                                                        //empty current cluster
    }//digits loop for current chamber
  }//chambers loop
}//Dig2Clu()
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
void  AliHMPIDReconstructor::FormClu(AliHMPIDCluster *pClu,AliHMPIDDigit *pDig,TClonesArray *pDigLst,TMatrixF *pDigMap)
{
// Forms the initial cluster as a combination of all adjascent digits. Starts from the given digit then calls itself recursevly  for all neighbours.
// Arguments: pClu - pointer to cluster being formed
//   Returns: none   
  pClu->DigAdd(pDig);//take this digit in cluster

  Int_t cnt=0,cx[4],cy[4];
  
  if(pDig->PadPcX() != AliHMPIDParam::kMinPx){cx[cnt]=pDig->PadChX()-1; cy[cnt]=pDig->PadChY()  ;cnt++;}       //left
  if(pDig->PadPcX() != AliHMPIDParam::kMaxPx){cx[cnt]=pDig->PadChX()+1; cy[cnt]=pDig->PadChY()  ;cnt++;}       //right
  if(pDig->PadPcY() != AliHMPIDParam::kMinPy){cx[cnt]=pDig->PadChX()  ; cy[cnt]=pDig->PadChY()-1;cnt++;}       //down
  if(pDig->PadPcY() != AliHMPIDParam::kMaxPy){cx[cnt]=pDig->PadChX()  ; cy[cnt]=pDig->PadChY()+1;cnt++;}       //up
  
  for (Int_t i=0;i<cnt;i++){//neighbours loop
    if((pDig=UseDig(cx[i],cy[i],pDigLst,pDigMap))) FormClu(pClu,pDig,pDigLst,pDigMap);   //check if this neighbour pad fired and mark it as taken  
  }//neighbours loop  
}//FormClu()
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
void AliHMPIDReconstructor::Reconstruct(TTree *pDigTree,TTree *pCluTree)const
{
//Invoked  by AliReconstruction to convert digits to clusters i.e. reconstruct simulated data
//Arguments: pDigTree - pointer to Digit tree
//           pCluTree - poitner to Cluster tree
//  Returns: none    
  AliDebug(1,"Start.");
  for(Int_t iCh=AliHMPIDParam::kMinCh;iCh<=AliHMPIDParam::kMaxCh;iCh++) {
    pCluTree->Branch(Form("HMPID%d",iCh),&((*fClu)[iCh]),7);
    pDigTree->SetBranchAddress(Form("HMPID%d",iCh),&((*fDig)[iCh]));
  }   
  
  Int_t pUserCut[7];
  
   if(AliHMPIDReconstructor::GetRecoParam()) {
    for(Int_t iCh=AliHMPIDParam::kMinCh;iCh<=AliHMPIDParam::kMaxCh;iCh++) {
      pUserCut[iCh] = AliHMPIDReconstructor::GetRecoParam()->GetHmpUserCut(iCh);
      AliDebug(1,Form("UserCut successfully loaded (from AliHMPIDRecoParamV1) for chamber %i -> %i ",iCh,pUserCut[iCh]));
    }
  }
  else {
    for(Int_t iCh=AliHMPIDParam::kMinCh;iCh<=AliHMPIDParam::kMaxCh;iCh++) {
      pUserCut[iCh] = 4;                                                                             // minimal requirement for sigma cut
      AliDebug(1,Form("UserCut loaded from defaults for chamber %i -> %i ",iCh,pUserCut[iCh]));
      AliDebug(1,Form("Cannot get AliHMPIDRecoParamV1!"));
      }
    }  
  
  pDigTree->GetEntry(0);
  Dig2Clu(fDig,fClu,pUserCut);     //cluster finder 
  pCluTree->Fill();                //fill tree for current event
  
  for(Int_t iCh=AliHMPIDParam::kMinCh;iCh<=AliHMPIDParam::kMaxCh;iCh++){
    fDig->At(iCh)->Clear();
    fClu->At(iCh)->Clear();
  }
  
  
  AliDebug(1,"Stop.");      
}//Reconstruct(for simulated digits)
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
void AliHMPIDReconstructor::ConvertDigits(AliRawReader *pRR,TTree *pDigTree)const
{
//Invoked  by AliReconstruction to convert raw digits from DDL files to digits
//Arguments: pRR - ALICE raw reader pointer
//           pDigTree - pointer to Digit tree
//  Returns: none    
  AliDebug(1,"Start.");
//  Int_t digcnt=0;
  
  Int_t iDigCnt[7]={0,0,0,0,0,0,0};

  for(Int_t iCh=AliHMPIDParam::kMinCh;iCh<=AliHMPIDParam::kMaxCh;iCh++){
    pDigTree->Branch(Form("HMPID%d",iCh),&((*fDig)[iCh]));
  }
    
  Int_t pUserCut[7];
  
   if(AliHMPIDReconstructor::GetRecoParam()) {
    for(Int_t iCh=AliHMPIDParam::kMinCh;iCh<=AliHMPIDParam::kMaxCh;iCh++) {
      pUserCut[iCh] = AliHMPIDReconstructor::GetRecoParam()->GetHmpUserCut(iCh);
      AliDebug(1,Form("UserCut successfully loaded (from AliHMPIDRecoParamV1) for chamber %i -> %i ",iCh,pUserCut[iCh]));
    }
  }
  else {
    for(Int_t iCh=AliHMPIDParam::kMinCh;iCh<=AliHMPIDParam::kMaxCh;iCh++) {
      pUserCut[iCh] = 4;                                                                             // minimal requirement for sigma cut
      AliDebug(1,Form("UserCut loaded from defaults for chamber %i -> %i ",iCh,pUserCut[iCh]));
      AliDebug(1,Form("Cannot get AliHMPIDRecoParamV1!"));
      }
    }  
      
  AliHMPIDRawStream stream(pRR);    
  
  while(stream.Next())
  {
    Int_t ch = AliHMPIDParam::DDL2C(stream.GetDDLNumber());
    for(Int_t iPad=0;iPad<stream.GetNPads();iPad++) {
      AliHMPIDDigit dig(stream.GetPadArray()[iPad],stream.GetChargeArray()[iPad]);
      if(!IsDigSurvive(pUserCut,&dig)) continue; 
      new((*((TClonesArray*)fDig->At(ch)))[iDigCnt[ch]++]) AliHMPIDDigit(dig); //add this digit to the tmp list 
    }
  }
  
  pDigTree->Fill();
  
  for(Int_t iCh=AliHMPIDParam::kMinCh;iCh<=AliHMPIDParam::kMaxCh;iCh++)fDig->At(iCh)->Clear();
  
  
  AliDebug(1,"Stop.");
}//Reconstruct digits from raw digits
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Commit	Line	Data
d3da6dc4	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	**************************************************************************/
423554a3	15	//.
	16	// HMPID base class to reconstruct an event
	17	//.
	18	//.
	19	//.
d3da6dc4	20	#include "AliHMPIDReconstructor.h" //class header
d3da6dc4	21	#include "AliHMPID.h" //Reconstruct()
a1d55ff3	22	#include "AliHMPIDCluster.h" //Dig2Clu()
9ebbddd4	23	#include "AliHMPIDPid.h" //FillEsd()
9ebbddd4	24	#include "AliHMPIDParam.h" //FillEsd()
a0e5c1b9	25	#include <AliCDBEntry.h> //ctor
a0e5c1b9	26	#include <AliCDBManager.h> //ctor
555a0dbf	27	#include <AliESDEvent.h> //FillEsd()
a0e5c1b9	28	#include <AliRawReader.h> //Reconstruct() for raw digits
65201c45	29	#include <AliLog.h> //
d76c31f4	30	#include "AliHMPIDRawStream.h" //ConvertDigits()
c458aab6	31	#include "AliHMPIDRecoParamV1.h" //ctor
451299f3	32
d3da6dc4	33	ClassImp(AliHMPIDReconstructor)
d3da6dc4	34
aed5907d	35	Int_t AliHMPIDReconstructor::fgStreamLevel = 0; // stream (debug) level
aed5907d	36
94b1fbfa	37	//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
ab1d3801	38	AliHMPIDReconstructor::AliHMPIDReconstructor():AliReconstructor(),fDaqSig(0),fDig(0),fClu(0)
94b1fbfa	39	{
	40	//
	41	//ctor
	42	//
909bfbdc	43	AliHMPIDParam::Instance(); //geometry loaded for reconstruction
451299f3	44
ae5a42aa	45	fClu=new TObjArray(AliHMPIDParam::kMaxCh+1); fClu->SetOwner(kTRUE);
ae5a42aa	46	fDig=new TObjArray(AliHMPIDParam::kMaxCh+1); fDig->SetOwner(kTRUE);
9cc1a411	47
ae5a42aa	48	for(int i=AliHMPIDParam::kMinCh;i<=AliHMPIDParam::kMaxCh;i++){
56c73976	49	fDig->AddAt(new TClonesArray("AliHMPIDDigit",24000),i);
56c73976	50	TClonesArray *pClus = new TClonesArray("AliHMPIDCluster",24000);
611e810d	51	pClus->SetUniqueID(i);
611e810d	52	fClu->AddAt(pClus,i);
94b1fbfa	53	}
451299f3	54
9cc1a411	55	AliCDBEntry *pDaqSigEnt =AliCDBManager::Instance()->Get("HMPID/Calib/DaqSig"); //contains TObjArray of TObjArray 14 TMatrixF sigmas values for pads
	56	if(!pDaqSigEnt) AliFatal("No pedestals from DAQ!");
	57	fDaqSig = (TObjArray*)pDaqSigEnt->GetObject();
	58	for(Int_t iCh=AliHMPIDParam::kMinCh;iCh<=AliHMPIDParam::kMaxCh;iCh++){ //chambers loop
4f9a834e	59	AliDebug(1,Form("DaqSigCut successfully loaded for chamber %i -> %i ",iCh,(Int_t)fDaqSig->At(iCh)->GetUniqueID()));
a0e5c1b9	60	}
94b1fbfa	61	}//AliHMPIDReconstructor
d3da6dc4	62	//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
54104a7c	63	void AliHMPIDReconstructor::Dig2Clu(TObjArray pDigAll,TObjArray pCluAll,Int_t *pUserCut,Bool_t isTryUnfold)
d3da6dc4	64	{
	65	// Finds all clusters for a given digits list provided not empty. Currently digits list is a list of all digits for a single chamber.
	66	// Puts all found clusters in separate lists, one per clusters.
3c6274c1	67	// Arguments: pDigAll - list of digits for all chambers
3c6274c1	68	// pCluAll - list of clusters for all chambers
d3da6dc4	69	// isTryUnfold - flag to choose between CoG and Mathieson fitting
d3da6dc4	70	// Returns: none
ae5a42aa	71	TMatrixF padMap(AliHMPIDParam::kMinPx,AliHMPIDParam::kMaxPcx,AliHMPIDParam::kMinPy,AliHMPIDParam::kMaxPcy); //pads map for single chamber 0..159 x 0..143
3c6274c1	72
ae5a42aa	73	for(Int_t iCh=AliHMPIDParam::kMinCh;iCh<=AliHMPIDParam::kMaxCh;iCh++){ //chambers loop
3c6274c1	74	TClonesArray pDigCur=(TClonesArray)pDigAll->At(iCh); //get list of digits for current chamber
3c6274c1	75	if(pDigCur->GetEntriesFast()==0) continue; //no digits for current chamber
d3da6dc4	76
3c6274c1	77	padMap=(Float_t)-1; //reset map to -1 (means no digit for this pad)
	78	TClonesArray pCluCur=(TClonesArray)pCluAll->At(iCh); //get list of clusters for current chamber
	79
	80	for(Int_t iDig=0;iDig<pDigCur->GetEntriesFast();iDig++){ //digits loop to fill pads map
	81	AliHMPIDDigit pDig= (AliHMPIDDigit)pDigCur->At(iDig); //get current digit
	82	padMap( pDig->PadChX(), pDig->PadChY() )=iDig; //fill the map, (padx,pady) cell takes digit index
	83	}//digits loop to fill digits map
	84
	85	AliHMPIDCluster clu; //tmp cluster to be used as current
3c6274c1	86	for(Int_t iDig=0;iDig<pDigCur->GetEntriesFast();iDig++){ //digits loop for current chamber
	87	AliHMPIDDigit pDig=(AliHMPIDDigit)pDigCur->At(iDig); //take current digit
	88	if(!(pDig=UseDig(pDig->PadChX(),pDig->PadChY(),pDigCur,&padMap))) continue; //this digit is already taken in FormClu(), go after next digit
	89	FormClu(&clu,pDig,pDigCur,&padMap); //form cluster starting from this digit by recursion
54104a7c	90	clu.Solve(pCluCur,pUserCut,isTryUnfold); //solve this cluster and add all unfolded clusters to provided list
3c6274c1	91	clu.Reset(); //empty current cluster
	92	}//digits loop for current chamber
	93	}//chambers loop
d3da6dc4	94	}//Dig2Clu()
	95	//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
	96	void AliHMPIDReconstructor::FormClu(AliHMPIDCluster pClu,AliHMPIDDigit pDig,TClonesArray pDigLst,TMatrixF pDigMap)
	97	{
a1d55ff3	98	// Forms the initial cluster as a combination of all adjascent digits. Starts from the given digit then calls itself recursevly for all neighbours.
d3da6dc4	99	// Arguments: pClu - pointer to cluster being formed
a1d55ff3	100	// Returns: none
d3da6dc4	101	pClu->DigAdd(pDig);//take this digit in cluster
d3da6dc4	102
3c6274c1	103	Int_t cnt=0,cx[4],cy[4];
d3da6dc4	104
ae5a42aa	105	if(pDig->PadPcX() != AliHMPIDParam::kMinPx){cx[cnt]=pDig->PadChX()-1; cy[cnt]=pDig->PadChY() ;cnt++;} //left
	106	if(pDig->PadPcX() != AliHMPIDParam::kMaxPx){cx[cnt]=pDig->PadChX()+1; cy[cnt]=pDig->PadChY() ;cnt++;} //right
	107	if(pDig->PadPcY() != AliHMPIDParam::kMinPy){cx[cnt]=pDig->PadChX() ; cy[cnt]=pDig->PadChY()-1;cnt++;} //down
	108	if(pDig->PadPcY() != AliHMPIDParam::kMaxPy){cx[cnt]=pDig->PadChX() ; cy[cnt]=pDig->PadChY()+1;cnt++;} //up
d3da6dc4	109
a1d55ff3	110	for (Int_t i=0;i<cnt;i++){//neighbours loop
3c6274c1	111	if((pDig=UseDig(cx[i],cy[i],pDigLst,pDigMap))) FormClu(pClu,pDig,pDigLst,pDigMap); //check if this neighbour pad fired and mark it as taken
a1d55ff3	112	}//neighbours loop
d3da6dc4	113	}//FormClu()
d3da6dc4	114	//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
94b1fbfa	115	void AliHMPIDReconstructor::Reconstruct(TTree pDigTree,TTree pCluTree)const
d3da6dc4	116	{
d3da6dc4	117	//Invoked by AliReconstruction to convert digits to clusters i.e. reconstruct simulated data
94b1fbfa	118	//Arguments: pDigTree - pointer to Digit tree
94b1fbfa	119	// pCluTree - poitner to Cluster tree
d3da6dc4	120	// Returns: none
d3da6dc4	121	AliDebug(1,"Start.");
ae5a42aa	122	for(Int_t iCh=AliHMPIDParam::kMinCh;iCh<=AliHMPIDParam::kMaxCh;iCh++) {
56c73976	123	pCluTree->Branch(Form("HMPID%d",iCh),&((*fClu)[iCh]),7);
94b1fbfa	124	pDigTree->SetBranchAddress(Form("HMPID%d",iCh),&((*fDig)[iCh]));
94b1fbfa	125	}
ab1d3801	126
07cd858e	127	Int_t pUserCut[7];
ab1d3801	128
	129	if(AliHMPIDReconstructor::GetRecoParam()) {
	130	for(Int_t iCh=AliHMPIDParam::kMinCh;iCh<=AliHMPIDParam::kMaxCh;iCh++) {
	131	pUserCut[iCh] = AliHMPIDReconstructor::GetRecoParam()->GetHmpUserCut(iCh);
	132	AliDebug(1,Form("UserCut successfully loaded (from AliHMPIDRecoParamV1) for chamber %i -> %i ",iCh,pUserCut[iCh]));
	133	}
	134	}
	135	else {
	136	for(Int_t iCh=AliHMPIDParam::kMinCh;iCh<=AliHMPIDParam::kMaxCh;iCh++) {
	137	pUserCut[iCh] = 4; // minimal requirement for sigma cut
	138	AliDebug(1,Form("UserCut loaded from defaults for chamber %i -> %i ",iCh,pUserCut[iCh]));
	139	AliDebug(1,Form("Cannot get AliHMPIDRecoParamV1!"));
	140	}
	141	}
	142
94b1fbfa	143	pDigTree->GetEntry(0);
ab1d3801	144	Dig2Clu(fDig,fClu,pUserCut); //cluster finder
94b1fbfa	145	pCluTree->Fill(); //fill tree for current event
94b1fbfa	146
ae5a42aa	147	for(Int_t iCh=AliHMPIDParam::kMinCh;iCh<=AliHMPIDParam::kMaxCh;iCh++){
94b1fbfa	148	fDig->At(iCh)->Clear();
	149	fClu->At(iCh)->Clear();
	150	}
d3da6dc4	151
70c97c60	152
d3da6dc4	153	AliDebug(1,"Stop.");
d3da6dc4	154	}//Reconstruct(for simulated digits)
a1d55ff3	155	//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
94b1fbfa	156	void AliHMPIDReconstructor::ConvertDigits(AliRawReader pRR,TTree pDigTree)const
	157	{
	158	//Invoked by AliReconstruction to convert raw digits from DDL files to digits
	159	//Arguments: pRR - ALICE raw reader pointer
	160	// pDigTree - pointer to Digit tree
	161	// Returns: none
	162	AliDebug(1,"Start.");
21f61e25	163	// Int_t digcnt=0;
21f61e25	164
56c73976	165	Int_t iDigCnt[7]={0,0,0,0,0,0,0};
21f61e25	166
56c73976	167	for(Int_t iCh=AliHMPIDParam::kMinCh;iCh<=AliHMPIDParam::kMaxCh;iCh++){
	168	pDigTree->Branch(Form("HMPID%d",iCh),&((*fDig)[iCh]));
	169	}
21f61e25	170
07cd858e	171	Int_t pUserCut[7];
ab1d3801	172
	173	if(AliHMPIDReconstructor::GetRecoParam()) {
	174	for(Int_t iCh=AliHMPIDParam::kMinCh;iCh<=AliHMPIDParam::kMaxCh;iCh++) {
	175	pUserCut[iCh] = AliHMPIDReconstructor::GetRecoParam()->GetHmpUserCut(iCh);
	176	AliDebug(1,Form("UserCut successfully loaded (from AliHMPIDRecoParamV1) for chamber %i -> %i ",iCh,pUserCut[iCh]));
	177	}
	178	}
	179	else {
	180	for(Int_t iCh=AliHMPIDParam::kMinCh;iCh<=AliHMPIDParam::kMaxCh;iCh++) {
	181	pUserCut[iCh] = 4; // minimal requirement for sigma cut
	182	AliDebug(1,Form("UserCut loaded from defaults for chamber %i -> %i ",iCh,pUserCut[iCh]));
	183	AliDebug(1,Form("Cannot get AliHMPIDRecoParamV1!"));
	184	}
	185	}
	186
56c73976	187	AliHMPIDRawStream stream(pRR);
	188
	189	while(stream.Next())
	190	{
	191	Int_t ch = AliHMPIDParam::DDL2C(stream.GetDDLNumber());
	192	for(Int_t iPad=0;iPad<stream.GetNPads();iPad++) {
	193	AliHMPIDDigit dig(stream.GetPadArray()[iPad],stream.GetChargeArray()[iPad]);
ab1d3801	194	if(!IsDigSurvive(pUserCut,&dig)) continue;
56c73976	195	new((((TClonesArray)fDig->At(ch)))[iDigCnt[ch]++]) AliHMPIDDigit(dig); //add this digit to the tmp list
21f61e25	196	}
21f61e25	197	}
56c73976	198
94b1fbfa	199	pDigTree->Fill();
21f61e25	200
ae5a42aa	201	for(Int_t iCh=AliHMPIDParam::kMinCh;iCh<=AliHMPIDParam::kMaxCh;iCh++)fDig->At(iCh)->Clear();
21f61e25	202
70c97c60	203
94b1fbfa	204	AliDebug(1,"Stop.");
	205	}//Reconstruct digits from raw digits
	206	//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++