[u/mrichter/AliRoot.git] / ITS / AliITSClusterFinderV2SPD.cxx

/**************************************************************************
 * Copyright(c) 1998-2003, 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.                  *
 **************************************************************************/
////////////////////////////////////////////////////////////////////////////
//            Implementation of the ITS clusterer V2 class                //
//                                                                        //
//          Origin: Iouri Belikov, CERN, Jouri.Belikov@cern.ch            //
//          Unfolding switch from AliITSRecoParam: D. Elia, INFN Bari     //
//                                                                        //
////////////////////////////////////////////////////////////////////////////


#include <TGeoGlobalMagField.h>
#include "AliITSCalibrationSPD.h"
#include "AliITSClusterFinderV2SPD.h"
#include "AliITSRecPoint.h"
#include "AliITSgeomTGeo.h"
#include "AliITSDetTypeRec.h"
#include "AliITSReconstructor.h"
#include "AliRawReader.h"
#include "AliITSRawStreamSPD.h"
#include <TClonesArray.h>
#include "AliITSdigitSPD.h"
#include "AliITSFOSignalsSPD.h"
#include "AliITSRecPointContainer.h"
#include "AliMagF.h"
#include "AliITSsegmentationSPD.h"

ClassImp(AliITSClusterFinderV2SPD)

//__________________________________________________________________________
AliITSClusterFinderV2SPD::AliITSClusterFinderV2SPD(AliITSDetTypeRec* dettyp):AliITSClusterFinder(dettyp),
fLastSPD1(AliITSgeomTGeo::GetModuleIndex(2,1,1)-1),
fNySPD(256),
fNzSPD(160),
fYpitchSPD(0.0050),
fZ1pitchSPD(0.0425),
fZ2pitchSPD(0.0625),
fHwSPD(0.64),
fHlSPD(3.48){

  //Default constructor

  fYSPD[0]=0.5*fYpitchSPD;
  for (Int_t m=1; m<fNySPD; m++) fYSPD[m]=fYSPD[m-1]+fYpitchSPD; 
  fZSPD[0]=fZ1pitchSPD;
  for (Int_t m=1; m<fNzSPD; m++) {
    Double_t dz=fZ1pitchSPD;
    if (m==31 || m==32 || m==63  || m==64  || m==95 || m==96 || 
        m==127 || m==128) dz=fZ2pitchSPD; 
    fZSPD[m]=fZSPD[m-1]+dz;
  }
  for (Int_t m=0; m<fNzSPD; m++) {
    Double_t dz=0.5*fZ1pitchSPD;
    if (m==31 || m==32 || m==63  || m==64  || m==95 || m==96 || 
        m==127 || m==128) dz=0.5*fZ2pitchSPD; 
    fZSPD[m]-=dz;
  }

}
//__________________________________________________________________________
void AliITSClusterFinderV2SPD::FindRawClusters(Int_t mod){
  //Find clusters V2
  SetModule(mod);
  FindClustersSPD(fDigits);

}
//__________________________________________________________________________
void AliITSClusterFinderV2SPD::RawdataToClusters(AliRawReader* rawReader){
  //------------------------------------------------------------
  // This function creates ITS clusters from raw data
  //------------------------------------------------------------
  rawReader->Reset();
  AliITSRawStreamSPD inputSPD(rawReader);
  FindClustersSPD(&inputSPD);

}
//__________________________________________________________________________
Int_t AliITSClusterFinderV2SPD::ClustersSPD(AliBin* bins, TClonesArray* digits,TClonesArray* clusters,Int_t maxBins,Int_t nzbins,Int_t iModule,Bool_t rawdata){
  
  //Cluster finder for SPD (from digits and from rawdata)
  const Double_t kmictocm = 1.0e-4; // convert microns to cm.
  const Double_t defaultField = 5.0; // default Bz value at which Tan(theta_Lorentz) is given in RecoParam

  static AliITSRecoParam *repa = NULL;
  if(!repa){
    repa = (AliITSRecoParam*) AliITSReconstructor::GetRecoParam();
    if(!repa){
      repa = AliITSRecoParam::GetHighFluxParam();
      AliWarning("Using default AliITSRecoParam class");
    }
  }
  const TGeoHMatrix *mT2L=AliITSgeomTGeo::GetTracking2LocalMatrix(iModule);

  // Lorentz angle correction
  Double_t tanLorentzAngle=0; 
  AliITSsegmentationSPD *seg = (AliITSsegmentationSPD*)(GetDetTypeRec()->GetSegmentationModel(0));
  Double_t thick = 0.5*kmictocm*seg->Dy();  // Half Thickness in cm
  if(repa->GetCorrectLorentzAngleSPD()) { // only if CorrectLorentzAngleSPD required
    // here retrieve the value of the field
    AliMagF* field = dynamic_cast<AliMagF*>(TGeoGlobalMagField::Instance()->GetField());
    if (field == 0)
      AliError("Cannot get magnetic field from TGeoGlobalMagField");
    Float_t magField = field->SolenoidField();
    tanLorentzAngle=repa->GetTanLorentzAngleHolesSPD() * magField / defaultField ;
  }
  //

   if (repa->GetSPDRemoveNoisyFlag()) {
    // Loop on noisy pixels and reset them
    AliITSCalibrationSPD *cal =  
      (AliITSCalibrationSPD*) fDetTypeRec->GetCalibrationModel(iModule);
    for(Int_t ipix = 0; ipix<cal->GetNrBad(); ipix++){
      Int_t row, col;
      cal->GetBadPixel(ipix,row,col);
      //PH      printf(" module %d   row %d  col %d \n",iModule,row,col);
      Int_t index = (row+1) * nzbins + (col+1);
      
      bins[index].SetQ(0);
      bins[index].SetMask(0xFFFFFFFE);
    }
  }
  
    if (repa->GetSPDRemoveDeadFlag()) {
    // Loop on dead pixels and reset them
    AliITSCalibrationSPD *cal =  
      (AliITSCalibrationSPD*) fDetTypeRec->GetSPDDeadModel(iModule); 
    if (cal->IsBad()) return 0; // if all ladder is dead, return to save time
    for(Int_t ipix = 0; ipix<cal->GetNrBad(); ipix++){
      Int_t row, col;
      cal->GetBadPixel(ipix,row,col);
      Int_t index = (row+1) * nzbins + (col+1);
      bins[index].SetQ(0);
      bins[index].SetMask(0xFFFFFFFE);
    }
  }
  
  Int_t nclu=0;
  for(Int_t iBin =0; iBin < maxBins;iBin++){
    if(bins[iBin].IsUsed()) continue;
    Int_t nBins = 0; 
    Int_t idxBins[200];
    FindCluster(iBin,nzbins,bins,nBins,idxBins);
    if (nBins == 200){
      Error("ClustersSPD","SPD Too big cluster !\n"); 
      continue;
    }
    Int_t milab[10];
    for(Int_t ilab=0;ilab<10;ilab++){
      milab[ilab]=-2;
    }
    if(rawdata){
      milab[3]=fNdet[iModule];
    }
    Int_t ymin,ymax,zmin,zmax;
    if(rawdata){
      ymin = (idxBins[0] / nzbins) - 1;
      ymax = ymin;
      zmin = (idxBins[0] % nzbins) - 1;
      zmax = zmin;
    }
    else{
      AliITSdigitSPD* dig = (AliITSdigitSPD*)digits->UncheckedAt(idxBins[0]);
      ymin=dig->GetCoord2();
      ymax=ymin;
      zmin=dig->GetCoord1();
      zmax=zmin;
    }
    //PH     if(iModule == 24 || iModule == 25)  printf("\n");
    for (Int_t idx = 0; idx < nBins; idx++) {
      Int_t iy;
      Int_t iz; 
      if(rawdata){
	iy  = (idxBins[idx] / nzbins) - 1;
	iz  = (idxBins[idx] % nzbins) - 1;
      }
      else{
	AliITSdigitSPD* dig = (AliITSdigitSPD*)digits->UncheckedAt(idxBins[idx]);
	iy = dig->GetCoord2();
	iz = dig->GetCoord1();
        //if(iModule == 24 || iModule == 25) printf(" ||  iy %d   iz %d  in Module %d \n",iy,iz,iModule);
      }
      if (ymin > iy) ymin = iy;
      if (ymax < iy) ymax = iy;
      if (zmin > iz) zmin = iz;
      if (zmax < iz) zmax = iz;

    }
    if(!rawdata){
      for(Int_t l=0;l<nBins;l++){
	AliITSdigitSPD* dig = (AliITSdigitSPD*)digits->UncheckedAt(idxBins[l]);
	for(Int_t dlab=0;dlab<10;dlab++){
	  Int_t digitlab = (dig->GetTracks())[dlab];
	  if(digitlab<0) continue;
	  AddLabel(milab,digitlab);
	}
	if (milab[9]>0) CheckLabels2(milab);
      }
      CheckLabels2(milab);
    }
    
    Int_t idy =0; //max 2 clusters
    if((iModule <= fLastSPD1) &&idy<3) idy=3;
    if((iModule > fLastSPD1) &&idy<4) idy=4;
    Int_t idz=3;

    // Switch the unfolding OFF/ON
    if(!repa->GetUseUnfoldingInClusterFinderSPD()) {
      idy=ymax-ymin+1;
      idz=zmax-zmin+1;
    }
    
    for(Int_t iiz=zmin; iiz<=zmax;iiz+=idz){
      for(Int_t iiy=ymin;iiy<=ymax;iiy+=idy){

	Int_t ndigits=0;
	Float_t y=0.,z=0.,q=0.;
	for(Int_t idx=0;idx<nBins;idx++){
	  Int_t iy;
	  Int_t iz; 
	  if(rawdata){
	    iy  = (idxBins[idx] / nzbins)-1;
	    iz  = (idxBins[idx] % nzbins)-1;
	  }
	  else{
	    AliITSdigitSPD* dig = (AliITSdigitSPD*)digits->UncheckedAt(idxBins[idx]);
	    iy = dig->GetCoord2();
	    iz = dig->GetCoord1();
	  }
	  if(zmax-zmin>=idz || ymax-ymin>=idy){
	    if(TMath::Abs(iy-iiy)>0.75*idy) continue;
	    if(TMath::Abs(iz-iiz)>0.75*idz) continue;
	  }
	  ndigits++;
	  Float_t qBin=0.;
	  if(rawdata) qBin = bins[idxBins[idx]].GetQ();
	  if(!rawdata){
	    AliITSdigitSPD* dig = (AliITSdigitSPD*)digits->UncheckedAt(idxBins[idx]);
	    qBin = (Float_t)dig->GetSignal();
	  }
	  y+= qBin * fYSPD[iy];
	  z+= qBin * fZSPD[iz];
	  q+= qBin;	
	}// for idx
	if(ndigits==0) continue;
         
	y /= q;
	z /= q;
	y -= fHwSPD;
	z -= fHlSPD;

        // Lorentz drift effect in local y
        y -= tanLorentzAngle*thick;
        //

	Float_t hit[5]; //y,z,sigma(y)^2, sigma(z)^2, charge
        {
        Double_t loc[3]={y,0.,z},trk[3]={0.,0.,0.};
        mT2L->MasterToLocal(loc,trk);
        hit[0]=trk[1];
        hit[1]=trk[2];
	}
	hit[2] = fYpitchSPD*fYpitchSPD/12.;
	hit[3] = fZ1pitchSPD*fZ1pitchSPD/12.;
	hit[4] = 1.;

	if(!rawdata) milab[3]=fNdet[iModule];
	Int_t info[3] = {ymax-ymin+1,zmax-zmin+1,fNlayer[iModule]};
	if(!rawdata){
	 AliITSRecPoint cl(milab,hit,info);
         cl.SetType(nBins);
	 fDetTypeRec->AddRecPoint(cl);
	}
        else{
	  Int_t label[4]={milab[0],milab[1],milab[2],milab[3]};
          AliITSRecPoint cl(label, hit,info);
          cl.SetType(nBins);
	  new (clusters->AddrAt(nclu)) 
	  AliITSRecPoint(cl);
	} 
	nclu++;
      }// for iiy
    }// for iiz
  }//end for iBin
  return nclu;
  
}
//__________________________________________________________________________
void AliITSClusterFinderV2SPD::FindClustersSPD(AliITSRawStreamSPD* input) 
{
  //------------------------------------------------------------
  // SPD cluster finder for raw data (this method is called once per event)
  // Now also fills fast-or fired map
  //------------------------------------------------------------

  AliITSRecPointContainer* rpc = AliITSRecPointContainer::Instance();  
  Int_t nClustersSPD = 0;
  Int_t kNzBins = fNzSPD + 2;
  Int_t kNyBins = fNySPD + 2;
  Int_t kMaxBin = kNzBins * kNyBins;
  AliBin *binsSPD = new AliBin[kMaxBin];
  AliBin *binsSPDInit = new AliBin[kMaxBin];  
  AliBin* bins = NULL;

  // read raw data input stream
  while (kTRUE) {
    Bool_t next = input->Next();
    if (!next || input->IsNewModule()) {
      Int_t iModule = input->GetPrevModuleID();

      // when all data from a module was read, search for clusters
      if (bins) { 
	TClonesArray* clusters = rpc->UncheckedGetClusters(iModule);
	Int_t nClusters = ClustersSPD(bins,0,clusters,kMaxBin,kNzBins,iModule,kTRUE);
	nClustersSPD += nClusters;
	bins = NULL;
      }

      if (!next) break;
      bins = binsSPD;
      memcpy(binsSPD,binsSPDInit,sizeof(AliBin)*kMaxBin);
    }

    if (next && bins) {
      // fill the current digit into the bins array
      Int_t index = (input->GetCoord2()+1) * kNzBins + (input->GetCoord1()+1);
      bins[index].SetIndex(index);
      bins[index].SetQ(1);
      bins[index].SetMask(1);
    }
  }

  delete [] binsSPDInit;
  delete [] binsSPD;
  
  AliDebug(1,Form("found clusters in ITS SPD: %d", nClustersSPD));
  
 
    // Fill the FastOr fired map
  for (UInt_t eq=0; eq<20; eq++) {
    for (UInt_t hs=0; hs<6; hs++) {
      for (UInt_t chip=0; chip<10; chip++) {
        if (input->GetFastOrSignal(eq,hs,chip)) {
	  fDetTypeRec->SetFastOrFiredMapOnline(eq,hs,chip);
        }
      }
    }
  }
  
}
//__________________________________________________________________________
void AliITSClusterFinderV2SPD::FindClustersSPD(TClonesArray *digits) {
  //------------------------------------------------------------
  // SPD cluster finder for digits (this method is called for each module)
  // Now also fills the fast-or fired map
  //------------------------------------------------------------


  Int_t kNzBins = fNzSPD + 2;
  const Int_t kMAXBIN=kNzBins*(fNySPD+2);

  Int_t ndigits=digits->GetEntriesFast();
  AliBin *bins=new AliBin[kMAXBIN];

  Int_t idig;
  AliITSdigitSPD *digit=0;
  for (idig=0; idig<ndigits; idig++) {
    digit=(AliITSdigitSPD*)digits->UncheckedAt(idig);
    Int_t i=digit->GetCoord2()+1;   //y
    Int_t j=digit->GetCoord1()+1;
    Int_t index=i*kNzBins+j;

    bins[index].SetIndex(idig);
    bins[index].SetQ(1);
    bins[index].SetMask(1);
  }

   
  Int_t nClustersSPD = ClustersSPD(bins,digits,0,kMAXBIN,kNzBins,fModule,kFALSE); 
  delete [] bins;

  AliDebug(1,Form("found clusters in ITS SPD: %d", nClustersSPD));
  
    //  Fill the FastOr fired map
  AliITSFOSignalsSPD* foSignals = fDetTypeRec->GetFOSignals();
  if (foSignals) {
    UInt_t eq = AliITSRawStreamSPD::GetOnlineEqIdFromOffline(fModule);
    UInt_t hs = AliITSRawStreamSPD::GetOnlineHSFromOffline(fModule);
    for(UInt_t ch=0; ch<5; ch++) {
      UInt_t chip = AliITSRawStreamSPD::GetOnlineChipFromOffline(fModule,ch*32);
      if (foSignals->GetSignal(eq,hs,chip)) {
	fDetTypeRec->SetFastOrFiredMapOnline(eq,hs,chip);
      }
    }
  }
  
}
Commit	Line	Data
04366a57	1	/**************************************************************************
	2	* Copyright(c) 1998-2003, 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	// Implementation of the ITS clusterer V2 class //
	17	// //
	18	// Origin: Iouri Belikov, CERN, Jouri.Belikov@cern.ch //
d6d232ba	19	// Unfolding switch from AliITSRecoParam: D. Elia, INFN Bari //
04366a57	20	// //
d6d232ba	21	////////////////////////////////////////////////////////////////////////////
04366a57	22
04366a57	23
66b89079	24	#include <TGeoGlobalMagField.h>
8d37cc87	25	#include "AliITSCalibrationSPD.h"
04366a57	26	#include "AliITSClusterFinderV2SPD.h"
00a7cc50	27	#include "AliITSRecPoint.h"
1f3e997f	28	#include "AliITSgeomTGeo.h"
7d62fb64	29	#include "AliITSDetTypeRec.h"
d6d232ba	30	#include "AliITSReconstructor.h"
04366a57	31	#include "AliRawReader.h"
04366a57	32	#include "AliITSRawStreamSPD.h"
04366a57	33	#include <TClonesArray.h>
04366a57	34	#include "AliITSdigitSPD.h"
ad7f2bfa	35	#include "AliITSFOSignalsSPD.h"
01ef1bd4	36	#include "AliITSRecPointContainer.h"
66b89079	37	#include "AliMagF.h"
66b89079	38	#include "AliITSsegmentationSPD.h"
04366a57	39
	40	ClassImp(AliITSClusterFinderV2SPD)
	41
ad7f2bfa	42	//__________________________________________________________________________
5d2c2f86	43	AliITSClusterFinderV2SPD::AliITSClusterFinderV2SPD(AliITSDetTypeRec* dettyp):AliITSClusterFinder(dettyp),
1f3e997f	44	fLastSPD1(AliITSgeomTGeo::GetModuleIndex(2,1,1)-1),
e56160b8	45	fNySPD(256),
	46	fNzSPD(160),
	47	fYpitchSPD(0.0050),
	48	fZ1pitchSPD(0.0425),
	49	fZ2pitchSPD(0.0625),
	50	fHwSPD(0.64),
	51	fHlSPD(3.48){
04366a57	52
04366a57	53	//Default constructor
04366a57	54
04366a57	55	fYSPD[0]=0.5*fYpitchSPD;
	56	for (Int_t m=1; m<fNySPD; m++) fYSPD[m]=fYSPD[m-1]+fYpitchSPD;
	57	fZSPD[0]=fZ1pitchSPD;
	58	for (Int_t m=1; m<fNzSPD; m++) {
	59	Double_t dz=fZ1pitchSPD;
	60	if (m==31 \|\| m==32 \|\| m==63 \|\| m==64 \|\| m==95 \|\| m==96 \|\|
	61	m==127 \|\| m==128) dz=fZ2pitchSPD;
	62	fZSPD[m]=fZSPD[m-1]+dz;
	63	}
	64	for (Int_t m=0; m<fNzSPD; m++) {
	65	Double_t dz=0.5*fZ1pitchSPD;
	66	if (m==31 \|\| m==32 \|\| m==63 \|\| m==64 \|\| m==95 \|\| m==96 \|\|
	67	m==127 \|\| m==128) dz=0.5*fZ2pitchSPD;
	68	fZSPD[m]-=dz;
	69	}
	70
	71	}
ad7f2bfa	72	//__________________________________________________________________________
04366a57	73	void AliITSClusterFinderV2SPD::FindRawClusters(Int_t mod){
04366a57	74	//Find clusters V2
	75	SetModule(mod);
	76	FindClustersSPD(fDigits);
	77
	78	}
ad7f2bfa	79	//__________________________________________________________________________
01ef1bd4	80	void AliITSClusterFinderV2SPD::RawdataToClusters(AliRawReader* rawReader){
ad7f2bfa	81	//------------------------------------------------------------
04366a57	82	// This function creates ITS clusters from raw data
	83	//------------------------------------------------------------
	84	rawReader->Reset();
	85	AliITSRawStreamSPD inputSPD(rawReader);
01ef1bd4	86	FindClustersSPD(&inputSPD);
04366a57	87
04366a57	88	}
ad7f2bfa	89	//__________________________________________________________________________
04366a57	90	Int_t AliITSClusterFinderV2SPD::ClustersSPD(AliBin* bins, TClonesArray* digits,TClonesArray* clusters,Int_t maxBins,Int_t nzbins,Int_t iModule,Bool_t rawdata){
	91
	92	//Cluster finder for SPD (from digits and from rawdata)
66b89079	93	const Double_t kmictocm = 1.0e-4; // convert microns to cm.
66b89079	94	const Double_t defaultField = 5.0; // default Bz value at which Tan(theta_Lorentz) is given in RecoParam
04366a57	95
5c47990a	96	static AliITSRecoParam *repa = NULL;
	97	if(!repa){
	98	repa = (AliITSRecoParam*) AliITSReconstructor::GetRecoParam();
	99	if(!repa){
ed446fa3	100	repa = AliITSRecoParam::GetHighFluxParam();
5c47990a	101	AliWarning("Using default AliITSRecoParam class");
	102	}
	103	}
b4704be3	104	const TGeoHMatrix *mT2L=AliITSgeomTGeo::GetTracking2LocalMatrix(iModule);
8d37cc87	105
66b89079	106	// Lorentz angle correction
	107	Double_t tanLorentzAngle=0;
	108	AliITSsegmentationSPD seg = (AliITSsegmentationSPD)(GetDetTypeRec()->GetSegmentationModel(0));
	109	Double_t thick = 0.5kmictocmseg->Dy(); // Half Thickness in cm
	110	if(repa->GetCorrectLorentzAngleSPD()) { // only if CorrectLorentzAngleSPD required
	111	// here retrieve the value of the field
	112	AliMagF* field = dynamic_cast<AliMagF*>(TGeoGlobalMagField::Instance()->GetField());
	113	if (field == 0)
	114	AliError("Cannot get magnetic field from TGeoGlobalMagField");
	115	Float_t magField = field->SolenoidField();
	116	tanLorentzAngle=repa->GetTanLorentzAngleHolesSPD() * magField / defaultField ;
	117	}
	118	//
	119
ad7f2bfa	120	if (repa->GetSPDRemoveNoisyFlag()) {
	121	// Loop on noisy pixels and reset them
	122	AliITSCalibrationSPD *cal =
	123	(AliITSCalibrationSPD*) fDetTypeRec->GetCalibrationModel(iModule);
	124	for(Int_t ipix = 0; ipix<cal->GetNrBad(); ipix++){
	125	Int_t row, col;
	126	cal->GetBadPixel(ipix,row,col);
190ba77d	127	//PH printf(" module %d row %d col %d \n",iModule,row,col);
ad7f2bfa	128	Int_t index = (row+1) * nzbins + (col+1);
	129
	130	bins[index].SetQ(0);
	131	bins[index].SetMask(0xFFFFFFFE);
	132	}
	133	}
	134
	135	if (repa->GetSPDRemoveDeadFlag()) {
	136	// Loop on dead pixels and reset them
	137	AliITSCalibrationSPD *cal =
	138	(AliITSCalibrationSPD*) fDetTypeRec->GetSPDDeadModel(iModule);
	139	if (cal->IsBad()) return 0; // if all ladder is dead, return to save time
	140	for(Int_t ipix = 0; ipix<cal->GetNrBad(); ipix++){
	141	Int_t row, col;
	142	cal->GetBadPixel(ipix,row,col);
	143	Int_t index = (row+1) * nzbins + (col+1);
	144	bins[index].SetQ(0);
	145	bins[index].SetMask(0xFFFFFFFE);
	146	}
8d37cc87	147	}
ad7f2bfa	148
04366a57	149	Int_t nclu=0;
	150	for(Int_t iBin =0; iBin < maxBins;iBin++){
	151	if(bins[iBin].IsUsed()) continue;
98a86dff	152	Int_t nBins = 0;
04366a57	153	Int_t idxBins[200];
	154	FindCluster(iBin,nzbins,bins,nBins,idxBins);
	155	if (nBins == 200){
	156	Error("ClustersSPD","SPD Too big cluster !\n");
	157	continue;
	158	}
	159	Int_t milab[10];
	160	for(Int_t ilab=0;ilab<10;ilab++){
	161	milab[ilab]=-2;
	162	}
	163	if(rawdata){
	164	milab[3]=fNdet[iModule];
	165	}
	166	Int_t ymin,ymax,zmin,zmax;
	167	if(rawdata){
	168	ymin = (idxBins[0] / nzbins) - 1;
	169	ymax = ymin;
	170	zmin = (idxBins[0] % nzbins) - 1;
	171	zmax = zmin;
	172	}
	173	else{
	174	AliITSdigitSPD* dig = (AliITSdigitSPD*)digits->UncheckedAt(idxBins[0]);
	175	ymin=dig->GetCoord2();
	176	ymax=ymin;
	177	zmin=dig->GetCoord1();
	178	zmax=zmin;
	179	}
190ba77d	180	//PH if(iModule == 24 \|\| iModule == 25) printf("\n");
04366a57	181	for (Int_t idx = 0; idx < nBins; idx++) {
	182	Int_t iy;
	183	Int_t iz;
	184	if(rawdata){
	185	iy = (idxBins[idx] / nzbins) - 1;
	186	iz = (idxBins[idx] % nzbins) - 1;
	187	}
	188	else{
	189	AliITSdigitSPD* dig = (AliITSdigitSPD*)digits->UncheckedAt(idxBins[idx]);
	190	iy = dig->GetCoord2();
	191	iz = dig->GetCoord1();
ad7f2bfa	192	//if(iModule == 24 \|\| iModule == 25) printf(" \|\| iy %d iz %d in Module %d \n",iy,iz,iModule);
04366a57	193	}
	194	if (ymin > iy) ymin = iy;
	195	if (ymax < iy) ymax = iy;
	196	if (zmin > iz) zmin = iz;
	197	if (zmax < iz) zmax = iz;
	198
	199	}
	200	if(!rawdata){
	201	for(Int_t l=0;l<nBins;l++){
	202	AliITSdigitSPD* dig = (AliITSdigitSPD*)digits->UncheckedAt(idxBins[l]);
	203	for(Int_t dlab=0;dlab<10;dlab++){
	204	Int_t digitlab = (dig->GetTracks())[dlab];
	205	if(digitlab<0) continue;
	206	AddLabel(milab,digitlab);
	207	}
	208	if (milab[9]>0) CheckLabels2(milab);
	209	}
	210	CheckLabels2(milab);
	211	}
	212
	213	Int_t idy =0; //max 2 clusters
	214	if((iModule <= fLastSPD1) &&idy<3) idy=3;
	215	if((iModule > fLastSPD1) &&idy<4) idy=4;
	216	Int_t idz=3;
d6d232ba	217
d6d232ba	218	// Switch the unfolding OFF/ON
5c47990a	219	if(!repa->GetUseUnfoldingInClusterFinderSPD()) {
d6d232ba	220	idy=ymax-ymin+1;
	221	idz=zmax-zmin+1;
	222	}
98a86dff	223
04366a57	224	for(Int_t iiz=zmin; iiz<=zmax;iiz+=idz){
	225	for(Int_t iiy=ymin;iiy<=ymax;iiy+=idy){
	226
	227	Int_t ndigits=0;
	228	Float_t y=0.,z=0.,q=0.;
	229	for(Int_t idx=0;idx<nBins;idx++){
	230	Int_t iy;
	231	Int_t iz;
	232	if(rawdata){
	233	iy = (idxBins[idx] / nzbins)-1;
	234	iz = (idxBins[idx] % nzbins)-1;
	235	}
	236	else{
	237	AliITSdigitSPD* dig = (AliITSdigitSPD*)digits->UncheckedAt(idxBins[idx]);
	238	iy = dig->GetCoord2();
	239	iz = dig->GetCoord1();
	240	}
	241	if(zmax-zmin>=idz \|\| ymax-ymin>=idy){
	242	if(TMath::Abs(iy-iiy)>0.75*idy) continue;
	243	if(TMath::Abs(iz-iiz)>0.75*idz) continue;
	244	}
	245	ndigits++;
5af4a2d0	246	Float_t qBin=0.;
04366a57	247	if(rawdata) qBin = bins[idxBins[idx]].GetQ();
	248	if(!rawdata){
	249	AliITSdigitSPD* dig = (AliITSdigitSPD*)digits->UncheckedAt(idxBins[idx]);
	250	qBin = (Float_t)dig->GetSignal();
	251	}
	252	y+= qBin * fYSPD[iy];
	253	z+= qBin * fZSPD[iz];
	254	q+= qBin;
	255	}// for idx
	256	if(ndigits==0) continue;
98a86dff	257
04366a57	258	y /= q;
	259	z /= q;
	260	y -= fHwSPD;
	261	z -= fHlSPD;
1f3e997f	262
66b89079	263	// Lorentz drift effect in local y
	264	y -= tanLorentzAngle*thick;
	265	//
	266
b4704be3	267	Float_t hit[5]; //y,z,sigma(y)^2, sigma(z)^2, charge
	268	{
	269	Double_t loc[3]={y,0.,z},trk[3]={0.,0.,0.};
	270	mT2L->MasterToLocal(loc,trk);
	271	hit[0]=trk[1];
	272	hit[1]=trk[2];
	273	}
04366a57	274	hit[2] = fYpitchSPD*fYpitchSPD/12.;
04366a57	275	hit[3] = fZ1pitchSPD*fZ1pitchSPD/12.;
00a7cc50	276	hit[4] = 1.;
b4704be3	277
04366a57	278	if(!rawdata) milab[3]=fNdet[iModule];
	279	Int_t info[3] = {ymax-ymin+1,zmax-zmin+1,fNlayer[iModule]};
	280	if(!rawdata){
75fb37cc	281	AliITSRecPoint cl(milab,hit,info);
98a86dff	282	cl.SetType(nBins);
00a7cc50	283	fDetTypeRec->AddRecPoint(cl);
04366a57	284	}
	285	else{
	286	Int_t label[4]={milab[0],milab[1],milab[2],milab[3]};
98a86dff	287	AliITSRecPoint cl(label, hit,info);
98a86dff	288	cl.SetType(nBins);
04366a57	289	new (clusters->AddrAt(nclu))
98a86dff	290	AliITSRecPoint(cl);
04366a57	291	}
	292	nclu++;
	293	}// for iiy
	294	}// for iiz
	295	}//end for iBin
	296	return nclu;
	297
	298	}
ad7f2bfa	299	//__________________________________________________________________________
01ef1bd4	300	void AliITSClusterFinderV2SPD::FindClustersSPD(AliITSRawStreamSPD* input)
04366a57	301	{
04366a57	302	//------------------------------------------------------------
ad7f2bfa	303	// SPD cluster finder for raw data (this method is called once per event)
ad7f2bfa	304	// Now also fills fast-or fired map
04366a57	305	//------------------------------------------------------------
01ef1bd4	306
01ef1bd4	307	AliITSRecPointContainer* rpc = AliITSRecPointContainer::Instance();
04366a57	308	Int_t nClustersSPD = 0;
	309	Int_t kNzBins = fNzSPD + 2;
	310	Int_t kNyBins = fNySPD + 2;
	311	Int_t kMaxBin = kNzBins * kNyBins;
d7d9347b	312	AliBin *binsSPD = new AliBin[kMaxBin];
d7d9347b	313	AliBin *binsSPDInit = new AliBin[kMaxBin];
04366a57	314	AliBin* bins = NULL;
	315
	316	// read raw data input stream
	317	while (kTRUE) {
	318	Bool_t next = input->Next();
	319	if (!next \|\| input->IsNewModule()) {
	320	Int_t iModule = input->GetPrevModuleID();
	321
	322	// when all data from a module was read, search for clusters
	323	if (bins) {
01ef1bd4	324	TClonesArray* clusters = rpc->UncheckedGetClusters(iModule);
01ef1bd4	325	Int_t nClusters = ClustersSPD(bins,0,clusters,kMaxBin,kNzBins,iModule,kTRUE);
04366a57	326	nClustersSPD += nClusters;
d7d9347b	327	bins = NULL;
04366a57	328	}
	329
	330	if (!next) break;
d7d9347b	331	bins = binsSPD;
d7d9347b	332	memcpy(binsSPD,binsSPDInit,sizeof(AliBin)*kMaxBin);
04366a57	333	}
04366a57	334
190ba77d	335	if (next && bins) {
ad7f2bfa	336	// fill the current digit into the bins array
	337	Int_t index = (input->GetCoord2()+1) * kNzBins + (input->GetCoord1()+1);
	338	bins[index].SetIndex(index);
	339	bins[index].SetQ(1);
	340	bins[index].SetMask(1);
ff44c37c	341	}
	342	}
	343
d7d9347b	344	delete [] binsSPDInit;
	345	delete [] binsSPD;
	346
3b1d8321	347	AliDebug(1,Form("found clusters in ITS SPD: %d", nClustersSPD));
3b1d8321	348
ad7f2bfa	349
	350	// Fill the FastOr fired map
	351	for (UInt_t eq=0; eq<20; eq++) {
	352	for (UInt_t hs=0; hs<6; hs++) {
	353	for (UInt_t chip=0; chip<10; chip++) {
	354	if (input->GetFastOrSignal(eq,hs,chip)) {
	355	fDetTypeRec->SetFastOrFiredMapOnline(eq,hs,chip);
	356	}
	357	}
	358	}
	359	}
	360
04366a57	361	}
ad7f2bfa	362	//__________________________________________________________________________
04366a57	363	void AliITSClusterFinderV2SPD::FindClustersSPD(TClonesArray *digits) {
04366a57	364	//------------------------------------------------------------
ad7f2bfa	365	// SPD cluster finder for digits (this method is called for each module)
ad7f2bfa	366	// Now also fills the fast-or fired map
04366a57	367	//------------------------------------------------------------
	368
	369
	370	Int_t kNzBins = fNzSPD + 2;
	371	const Int_t kMAXBIN=kNzBins*(fNySPD+2);
	372
	373	Int_t ndigits=digits->GetEntriesFast();
	374	AliBin *bins=new AliBin[kMAXBIN];
	375
ad7f2bfa	376	Int_t idig;
	377	AliITSdigitSPD *digit=0;
	378	for (idig=0; idig<ndigits; idig++) {
	379	digit=(AliITSdigitSPD*)digits->UncheckedAt(idig);
	380	Int_t i=digit->GetCoord2()+1; //y
	381	Int_t j=digit->GetCoord1()+1;
	382	Int_t index=i*kNzBins+j;
	383
	384	bins[index].SetIndex(idig);
	385	bins[index].SetQ(1);
	386	bins[index].SetMask(1);
04366a57	387	}
ad7f2bfa	388
04366a57	389
d6d232ba	390	Int_t nClustersSPD = ClustersSPD(bins,digits,0,kMAXBIN,kNzBins,fModule,kFALSE);
04366a57	391	delete [] bins;
d6d232ba	392
813020f4	393	AliDebug(1,Form("found clusters in ITS SPD: %d", nClustersSPD));
ad7f2bfa	394
	395	// Fill the FastOr fired map
	396	AliITSFOSignalsSPD* foSignals = fDetTypeRec->GetFOSignals();
	397	if (foSignals) {
	398	UInt_t eq = AliITSRawStreamSPD::GetOnlineEqIdFromOffline(fModule);
	399	UInt_t hs = AliITSRawStreamSPD::GetOnlineHSFromOffline(fModule);
	400	for(UInt_t ch=0; ch<5; ch++) {
	401	UInt_t chip = AliITSRawStreamSPD::GetOnlineChipFromOffline(fModule,ch*32);
	402	if (foSignals->GetSignal(eq,hs,chip)) {
	403	fDetTypeRec->SetFastOrFiredMapOnline(eq,hs,chip);
	404	}
	405	}
	406	}
	407
04366a57	408	}