[u/mrichter/AliRoot.git] / ITS / AliITSClusterFinderV2SDD.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.                  *
 **************************************************************************/

/* $Id$*/

////////////////////////////////////////////////////////////////////////////
//            Implementation of the ITS clusterer V2 class                //
//                                                                        //
//          Origin: Iouri Belikov, CERN, Jouri.Belikov@cern.ch            //
//                                                                        //
///////////////////////////////////////////////////////////////////////////


#include <TClonesArray.h>
#include "AliITSClusterFinderV2SDD.h"
#include "AliITSRecPoint.h"
#include "AliITSDetTypeRec.h"
#include "AliRawReader.h"
#include "AliITSRawStreamSDD.h"
#include "AliITSCalibrationSDD.h"
#include "AliITSDetTypeRec.h"
#include "AliITSsegmentationSDD.h"
#include "AliITSdigitSDD.h"
#include "AliITSgeomTGeo.h"
ClassImp(AliITSClusterFinderV2SDD)

AliITSClusterFinderV2SDD::AliITSClusterFinderV2SDD(AliITSDetTypeRec* dettyp):AliITSClusterFinderV2(dettyp)
{

  //Default constructor

}
 

void AliITSClusterFinderV2SDD::FindRawClusters(Int_t mod){

  //Find clusters V2
  SetModule(mod);
  FindClustersSDD(fDigits);

}

void AliITSClusterFinderV2SDD::FindClustersSDD(TClonesArray *digits) {
  //------------------------------------------------------------
  // Actual SDD cluster finder
  //------------------------------------------------------------
  Int_t nAnodes = GetSeg()->NpzHalf();
  Int_t nzBins = nAnodes+2;
  Int_t nTimeBins = GetSeg()->Npx();
  Int_t nxBins = nTimeBins+2;
  const Int_t kMaxBin=nzBins*nxBins;

  AliBin *bins[2];
  bins[0]=new AliBin[kMaxBin];
  bins[1]=new AliBin[kMaxBin];
  AliITSCalibrationSDD* cal = (AliITSCalibrationSDD*)GetResp(fModule);
  AliITSresponseSDD* res  = (AliITSresponseSDD*)cal->GetResponse();
  const char *option=res->ZeroSuppOption();
  AliITSdigitSDD *d=0;
  Int_t i, ndigits=digits->GetEntriesFast();
  for (i=0; i<ndigits; i++) {
     d=(AliITSdigitSDD*)digits->UncheckedAt(i);
     Int_t y=d->GetCoord2()+1;   //y
     Int_t z=d->GetCoord1()+1;   //z
     Float_t gain=cal->GetChannelGain(d->GetCoord1());
     Float_t charge=d->GetSignal();

     if(!((strstr(option,"1D")) || (strstr(option,"2D")))){
       Float_t baseline = cal->GetBaseline(d->GetCoord1());
       if(charge>baseline) charge-=baseline;
       else charge=0;
     }

     if(gain>0) charge/=gain;
     if(charge<cal->GetThresholdAnode(d->GetCoord1())) continue;
     Int_t q=(Int_t)(charge+0.5);
     if (z <= nAnodes){
       bins[0][y*nzBins+z].SetQ(q);
       bins[0][y*nzBins+z].SetMask(1);
       bins[0][y*nzBins+z].SetIndex(i);
     } else {
       z-=nAnodes;
       bins[1][y*nzBins+z].SetQ(q);
       bins[1][y*nzBins+z].SetMask(1);
       bins[1][y*nzBins+z].SetIndex(i);
     }
  }
  
  FindClustersSDD(bins, kMaxBin, nzBins, digits);

  delete[] bins[0];
  delete[] bins[1];

}

void AliITSClusterFinderV2SDD::
FindClustersSDD(AliBin* bins[2], Int_t nMaxBin, Int_t nzBins, 
		TClonesArray *digits, TClonesArray *clusters) {
  //------------------------------------------------------------
  // Actual SDD cluster finder
  //------------------------------------------------------------

  const TGeoHMatrix *mT2L=AliITSgeomTGeo::GetTracking2LocalMatrix(fModule);
  AliITSCalibrationSDD* cal = (AliITSCalibrationSDD*)GetResp(fModule);
  Int_t ncl=0; 
  TClonesArray &cl=*clusters;
  for (Int_t s=0; s<2; s++)
    for (Int_t i=0; i<nMaxBin; i++) {
      if (bins[s][i].IsUsed()) continue;
      Int_t idx[32]; UInt_t msk[32]; Int_t npeaks=0;
      FindPeaks(i, nzBins, bins[s], idx, msk, npeaks);

      if (npeaks>30) continue;
      if (npeaks==0) continue;

      Int_t k,l;
      for (k=0; k<npeaks-1; k++){//mark adjacent peaks
        if (idx[k] < 0) continue; //this peak is already removed
        for (l=k+1; l<npeaks; l++) {
	  if (idx[l] < 0) continue; //this peak is already removed
	  Int_t ki=idx[k]/nzBins, kj=idx[k] - ki*nzBins;
	  Int_t li=idx[l]/nzBins, lj=idx[l] - li*nzBins;
	  Int_t di=TMath::Abs(ki - li);
	  Int_t dj=TMath::Abs(kj - lj);
	  if (di>1 || dj>1) continue;
	  if (bins[s][idx[k]].GetQ() > bins[s][idx[l]].GetQ()) {
	    msk[l]=msk[k];
	    idx[l]*=-1;
	  } else {
	    msk[k]=msk[l];
	    idx[k]*=-1;
	    break;
	  } 
        }
      }

      for (k=0; k<npeaks; k++) {
        MarkPeak(TMath::Abs(idx[k]), nzBins, bins[s], msk[k]);
      }
        
      for (k=0; k<npeaks; k++) {
	if (idx[k] < 0) continue; //removed peak
	AliITSRecPoint c;
	MakeCluster(idx[k], nzBins, bins[s], msk[k], c);
	//mi change
	Int_t milab[10];
	for (Int_t ilab=0;ilab<10;ilab++){
	  milab[ilab]=-2;
	}
	Int_t maxi=0,mini=0,maxj=0,minj=0;
	//AliBin *bmax=&bins[s][idx[k]];
	//Float_t max = TMath::Max(TMath::Abs(bmax->GetQ())/5.,3.);
	
	for (Int_t di=-2; di<=2;di++){
	  for (Int_t dj=-3;dj<=3;dj++){
	    Int_t index = idx[k]+di+dj*nzBins;
	    if (index<0) continue;
	    if (index>=nMaxBin) continue;
	    AliBin *b=&bins[s][index];
	    Int_t nAnode=index%nzBins-1;
	    Int_t adcSignal=b->GetQ();
	    if(adcSignal>cal->GetThresholdAnode(nAnode)){
	      if (di>maxi) maxi=di;
	      if (di<mini) mini=di;
	      if (dj>maxj) maxj=dj;
	      if (dj<minj) minj=dj;
	    }
	    //
	    if(digits) {
	      if (TMath::Abs(di)<2&&TMath::Abs(dj)<2){
		AliITSdigitSDD* d=(AliITSdigitSDD*)digits->UncheckedAt(b->GetIndex());
		for (Int_t itrack=0;itrack<10;itrack++){
		  Int_t track = (d->GetTracks())[itrack];
		  if (track>=0) {
		    AddLabel(milab, track); 
		  }
		}
	      }
	    }
	  }
	}


	Float_t y=c.GetY(),z=c.GetZ(), q=c.GetQ();	 
	y/=q; z/=q;
	Float_t zAnode=z-0.5;  // to have anode in range 0.-255. and centered on the mid of the pitch
	Float_t timebin=y-0.5;  // to have time bin in range 0.-255. amd centered on the mid of the bin
	if(s==1) zAnode += GetSeg()->NpzHalf();  // right side has anodes from 256. to 511.
	Float_t zdet = GetSeg()->GetLocalZFromAnode(zAnode);
	Float_t driftTime = GetSeg()->GetDriftTimeFromTb(timebin) - cal->GetTimeOffset();
	Float_t driftPathMicron = cal->GetDriftPath(driftTime,zAnode);
	const Double_t kMicronTocm = 1.0e-4; 
	Float_t xdet=(driftPathMicron-GetSeg()->Dx())*kMicronTocm; // xdet is negative
	if (s==0) xdet=-xdet; // left side has positive local x
	 
	CorrectPosition(zdet,xdet);

	Double_t loc[3]={xdet,0.,zdet},trk[3]={0.,0.,0.};
	mT2L->MasterToLocal(loc,trk);
	y=trk[1];
	z=trk[2]; 

	q/=cal->GetADC2keV();  //to have MPV 1 MIP = 86.4 KeV
	Float_t hit[5] = {y, z, 0.0030*0.0030, 0.0020*0.0020, q};
	Int_t  info[3] = {maxj-minj+1, maxi-mini+1, fNlayer[fModule]};
	if (digits) {	  
	  //	   AliBin *b=&bins[s][idx[k]];
	  //	   AliITSdigitSDD* d=(AliITSdigitSDD*)digits->UncheckedAt(b->GetIndex());
	  {
	    //Int_t lab[3];
	    //lab[0]=(d->GetTracks())[0];
	    //lab[1]=(d->GetTracks())[1];
	    //lab[2]=(d->GetTracks())[2];
	    //CheckLabels(lab);
	    CheckLabels2(milab); 
	  }
	}
	milab[3]=fNdet[fModule];

	AliITSRecPoint cc(milab,hit,info);
	cc.SetType(npeaks);
	if(clusters) new (cl[ncl]) AliITSRecPoint(cc); 
	else {
	  fDetTypeRec->AddRecPoint(cc);
	}
	ncl++;
      }
    }
  
}
//______________________________________________________________________
void AliITSClusterFinderV2SDD::RawdataToClusters(AliRawReader* rawReader,TClonesArray** clusters){
    //------------------------------------------------------------
  // This function creates ITS clusters from raw data
  //------------------------------------------------------------
  rawReader->Reset();
  AliITSRawStreamSDD inputSDD(rawReader);
  AliITSDDLModuleMapSDD *ddlmap=(AliITSDDLModuleMapSDD*)fDetTypeRec->GetDDLModuleMapSDD();
  inputSDD.SetDDLModuleMap(ddlmap);
  FindClustersSDD(&inputSDD,clusters);

}

void AliITSClusterFinderV2SDD::FindClustersSDD(AliITSRawStream* input, 
					TClonesArray** clusters) 
{
  //------------------------------------------------------------
  // Actual SDD cluster finder for raw data
  //------------------------------------------------------------
  Int_t nClustersSDD = 0;
  Int_t nAnodes = GetSeg()->NpzHalf();
  Int_t nzBins = nAnodes+2;
  Int_t nTimeBins = GetSeg()->Npx();
  Int_t nxBins = nTimeBins+2;
  const Int_t kMaxBin=nzBins*nxBins;
  AliBin *bins[2];
  AliBin *ddlbins[kHybridsPerDDL]; // 12 modules (=24 hybrids) of 1 DDL read "in parallel"
  for(Int_t iHyb=0;iHyb<kHybridsPerDDL;iHyb++) ddlbins[iHyb]=new AliBin[kMaxBin];
  // read raw data input stream
  while (input->Next()) {
    Int_t iModule = input->GetModuleID();
    if(iModule<0){
      AliWarning(Form("Invalid SDD module number %d\n", iModule));
      continue;
    }

    Int_t iCarlos =((AliITSRawStreamSDD*)input)->GetCarlosId();
    Int_t iSide = ((AliITSRawStreamSDD*)input)->GetChannel();
    Int_t iHybrid=iCarlos*2+iSide;
    if (input->IsCompletedModule()) {
      // when all data from a module was read, search for clusters
      if(iCarlos<0){
	AliWarning(Form("Invalid SDD carlos number %d on module %d\n", iCarlos,iModule));
	continue;
      }
      clusters[iModule] = new TClonesArray("AliITSRecPoint");
      fModule = iModule;
      bins[0]=ddlbins[iCarlos*2];   // first hybrid of the completed module
      bins[1]=ddlbins[iCarlos*2+1]; // second hybrid of the completed module
      FindClustersSDD(bins, kMaxBin, nzBins, NULL, clusters[iModule]);
      Int_t nClusters = clusters[iModule]->GetEntriesFast();
      nClustersSDD += nClusters;
      for(Int_t iBin=0;iBin<kMaxBin; iBin++){
	ddlbins[iCarlos*2][iBin].Reset();
	ddlbins[iCarlos*2+1][iBin].Reset();
      }
    }else{
    // fill the current digit into the bins array
      if(iHybrid<0 || iHybrid>=kHybridsPerDDL){ 
	AliWarning(Form("Invalid SDD hybrid number %d on module %d\n", iHybrid,iModule));
	continue;
      }
      AliITSCalibrationSDD* cal = (AliITSCalibrationSDD*)GetResp(iModule);    
      AliITSresponseSDD* res  = (AliITSresponseSDD*)cal->GetResponse();
      const char *option=res->ZeroSuppOption();
      Float_t charge=input->GetSignal();
      Int_t chan=input->GetCoord1()+nAnodes*iSide;
      Float_t gain=cal->GetChannelGain(chan);
      if(!((strstr(option,"1D")) || (strstr(option,"2D")))){
	Float_t baseline = cal->GetBaseline(chan);
	if(charge>baseline) charge-=baseline;
	else charge=0;
      }
      if(gain>0) charge/=gain;
      if(charge>=cal->GetThresholdAnode(chan)) {
	Int_t q=(Int_t)(charge+0.5);
	Int_t iz = input->GetCoord1();
	Int_t itb = input->GetCoord2();
	Int_t index = (itb+1) * nzBins + (iz+1);
	if(index<kMaxBin){
	  ddlbins[iHybrid][index].SetQ(q);
	  ddlbins[iHybrid][index].SetMask(1);
	  ddlbins[iHybrid][index].SetIndex(index);

	}else{
	  AliWarning(Form("Invalid SDD cell: Anode=%d   TimeBin=%d",iz,itb));	  
	}
      }
    }
  }
  for(Int_t iHyb=0;iHyb<kHybridsPerDDL;iHyb++) delete [] ddlbins[iHyb];
  Info("FindClustersSDD", "found clusters in ITS SDD: %d", nClustersSDD);
}


//_________________________________________________________________________
void AliITSClusterFinderV2SDD::CorrectPosition(Float_t &z, Float_t&y){

  //correction of coordinates using the maps stored in the DB

  AliITSCalibrationSDD* cal = (AliITSCalibrationSDD*)GetResp(fModule);
  static const Int_t knbina = cal->Wings()*cal->Chips()*cal->Channels();
  Int_t bina =(Int_t) GetSeg()->GetAnodeFromLocal(y,z);
  if(bina>knbina) AliError("Wrong bin number along anodes!");

  static const Int_t knbint = cal->GetMapTimeNBin();
  const Double_t kMicronTocm = 1.0e-4; 
  Float_t stept = GetSeg()->Dx()*kMicronTocm/cal->GetMapTimeNBin();  
  Int_t bint = TMath::Abs((Int_t)(y/stept));
  if(bint==knbint) bint-=1;
  if(bint>=knbint) AliError("Wrong bin number along drift direction!");


  Float_t devz = cal->GetMapACell(bina,bint)*kMicronTocm;
  Float_t devx = cal->GetMapTCell(bina,bint)*kMicronTocm;
  z+=devz;
  y+=devx;


}
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	**************************************************************************/
d76cb3ad	15
	16	/* $Id$*/
	17
04366a57	18	////////////////////////////////////////////////////////////////////////////
	19	// Implementation of the ITS clusterer V2 class //
	20	// //
	21	// Origin: Iouri Belikov, CERN, Jouri.Belikov@cern.ch //
	22	// //
	23	///////////////////////////////////////////////////////////////////////////
	24
	25
04366a57	26
ae485645	27	#include <TClonesArray.h>
04366a57	28	#include "AliITSClusterFinderV2SDD.h"
00a7cc50	29	#include "AliITSRecPoint.h"
7d62fb64	30	#include "AliITSDetTypeRec.h"
04366a57	31	#include "AliRawReader.h"
0599a018	32	#include "AliITSRawStreamSDD.h"
5bfe44ce	33	#include "AliITSCalibrationSDD.h"
	34	#include "AliITSDetTypeRec.h"
	35	#include "AliITSsegmentationSDD.h"
04366a57	36	#include "AliITSdigitSDD.h"
b4704be3	37	#include "AliITSgeomTGeo.h"
04366a57	38	ClassImp(AliITSClusterFinderV2SDD)
04366a57	39
4952f440	40	AliITSClusterFinderV2SDD::AliITSClusterFinderV2SDD(AliITSDetTypeRec* dettyp):AliITSClusterFinderV2(dettyp)
a66a0eb6	41	{
04366a57	42
	43	//Default constructor
	44
04366a57	45	}
	46
	47
	48	void AliITSClusterFinderV2SDD::FindRawClusters(Int_t mod){
	49
	50	//Find clusters V2
	51	SetModule(mod);
	52	FindClustersSDD(fDigits);
	53
	54	}
	55
	56	void AliITSClusterFinderV2SDD::FindClustersSDD(TClonesArray *digits) {
	57	//------------------------------------------------------------
	58	// Actual SDD cluster finder
	59	//------------------------------------------------------------
4952f440	60	Int_t nAnodes = GetSeg()->NpzHalf();
	61	Int_t nzBins = nAnodes+2;
	62	Int_t nTimeBins = GetSeg()->Npx();
	63	Int_t nxBins = nTimeBins+2;
f6b6d58e	64	const Int_t kMaxBin=nzBins*nxBins;
04366a57	65
04366a57	66	AliBin *bins[2];
4952f440	67	bins[0]=new AliBin[kMaxBin];
4952f440	68	bins[1]=new AliBin[kMaxBin];
404c1c29	69	AliITSCalibrationSDD* cal = (AliITSCalibrationSDD*)GetResp(fModule);
0599a018	70	AliITSresponseSDD* res = (AliITSresponseSDD*)cal->GetResponse();
0599a018	71	const char *option=res->ZeroSuppOption();
04366a57	72	AliITSdigitSDD *d=0;
	73	Int_t i, ndigits=digits->GetEntriesFast();
	74	for (i=0; i<ndigits; i++) {
	75	d=(AliITSdigitSDD*)digits->UncheckedAt(i);
	76	Int_t y=d->GetCoord2()+1; //y
	77	Int_t z=d->GetCoord1()+1; //z
5683bd96	78	Float_t gain=cal->GetChannelGain(d->GetCoord1());
	79	Float_t charge=d->GetSignal();
	80
0599a018	81	if(!((strstr(option,"1D")) \|\| (strstr(option,"2D")))){
0599a018	82	Float_t baseline = cal->GetBaseline(d->GetCoord1());
5683bd96	83	if(charge>baseline) charge-=baseline;
5683bd96	84	else charge=0;
0599a018	85	}
5683bd96	86
	87	if(gain>0) charge/=gain;
	88	if(charge<cal->GetThresholdAnode(d->GetCoord1())) continue;
	89	Int_t q=(Int_t)(charge+0.5);
4952f440	90	if (z <= nAnodes){
	91	bins[0][y*nzBins+z].SetQ(q);
	92	bins[0][y*nzBins+z].SetMask(1);
	93	bins[0][y*nzBins+z].SetIndex(i);
04366a57	94	} else {
4952f440	95	z-=nAnodes;
	96	bins[1][y*nzBins+z].SetQ(q);
	97	bins[1][y*nzBins+z].SetMask(1);
	98	bins[1][y*nzBins+z].SetIndex(i);
04366a57	99	}
	100	}
	101
4952f440	102	FindClustersSDD(bins, kMaxBin, nzBins, digits);
04366a57	103
	104	delete[] bins[0];
	105	delete[] bins[1];
	106
	107	}
	108
	109	void AliITSClusterFinderV2SDD::
	110	FindClustersSDD(AliBin* bins[2], Int_t nMaxBin, Int_t nzBins,
	111	TClonesArray digits, TClonesArray clusters) {
	112	//------------------------------------------------------------
	113	// Actual SDD cluster finder
	114	//------------------------------------------------------------
b4704be3	115
b4704be3	116	const TGeoHMatrix *mT2L=AliITSgeomTGeo::GetTracking2LocalMatrix(fModule);
404c1c29	117	AliITSCalibrationSDD* cal = (AliITSCalibrationSDD*)GetResp(fModule);
04366a57	118	Int_t ncl=0;
	119	TClonesArray &cl=*clusters;
	120	for (Int_t s=0; s<2; s++)
	121	for (Int_t i=0; i<nMaxBin; i++) {
	122	if (bins[s][i].IsUsed()) continue;
	123	Int_t idx[32]; UInt_t msk[32]; Int_t npeaks=0;
	124	FindPeaks(i, nzBins, bins[s], idx, msk, npeaks);
	125
	126	if (npeaks>30) continue;
	127	if (npeaks==0) continue;
	128
	129	Int_t k,l;
	130	for (k=0; k<npeaks-1; k++){//mark adjacent peaks
	131	if (idx[k] < 0) continue; //this peak is already removed
	132	for (l=k+1; l<npeaks; l++) {
f6b6d58e	133	if (idx[l] < 0) continue; //this peak is already removed
	134	Int_t ki=idx[k]/nzBins, kj=idx[k] - ki*nzBins;
	135	Int_t li=idx[l]/nzBins, lj=idx[l] - li*nzBins;
	136	Int_t di=TMath::Abs(ki - li);
	137	Int_t dj=TMath::Abs(kj - lj);
	138	if (di>1 \|\| dj>1) continue;
	139	if (bins[s][idx[k]].GetQ() > bins[s][idx[l]].GetQ()) {
	140	msk[l]=msk[k];
	141	idx[l]*=-1;
	142	} else {
	143	msk[k]=msk[l];
	144	idx[k]*=-1;
	145	break;
	146	}
04366a57	147	}
	148	}
	149
	150	for (k=0; k<npeaks; k++) {
	151	MarkPeak(TMath::Abs(idx[k]), nzBins, bins[s], msk[k]);
	152	}
	153
	154	for (k=0; k<npeaks; k++) {
f6b6d58e	155	if (idx[k] < 0) continue; //removed peak
	156	AliITSRecPoint c;
	157	MakeCluster(idx[k], nzBins, bins[s], msk[k], c);
	158	//mi change
	159	Int_t milab[10];
	160	for (Int_t ilab=0;ilab<10;ilab++){
	161	milab[ilab]=-2;
	162	}
	163	Int_t maxi=0,mini=0,maxj=0,minj=0;
	164	//AliBin *bmax=&bins[s][idx[k]];
	165	//Float_t max = TMath::Max(TMath::Abs(bmax->GetQ())/5.,3.);
	166
	167	for (Int_t di=-2; di<=2;di++){
	168	for (Int_t dj=-3;dj<=3;dj++){
	169	Int_t index = idx[k]+di+dj*nzBins;
	170	if (index<0) continue;
	171	if (index>=nMaxBin) continue;
	172	AliBin *b=&bins[s][index];
	173	Int_t nAnode=index%nzBins-1;
	174	Int_t adcSignal=b->GetQ();
	175	if(adcSignal>cal->GetThresholdAnode(nAnode)){
	176	if (di>maxi) maxi=di;
	177	if (di<mini) mini=di;
	178	if (dj>maxj) maxj=dj;
	179	if (dj<minj) minj=dj;
	180	}
	181	//
	182	if(digits) {
	183	if (TMath::Abs(di)<2&&TMath::Abs(dj)<2){
	184	AliITSdigitSDD* d=(AliITSdigitSDD*)digits->UncheckedAt(b->GetIndex());
	185	for (Int_t itrack=0;itrack<10;itrack++){
	186	Int_t track = (d->GetTracks())[itrack];
	187	if (track>=0) {
	188	AddLabel(milab, track);
	189	}
	190	}
	191	}
	192	}
	193	}
	194	}
	195
	196
	197	Float_t y=c.GetY(),z=c.GetZ(), q=c.GetQ();
	198	y/=q; z/=q;
	199	Float_t zAnode=z-0.5; // to have anode in range 0.-255. and centered on the mid of the pitch
	200	Float_t timebin=y-0.5; // to have time bin in range 0.-255. amd centered on the mid of the bin
	201	if(s==1) zAnode += GetSeg()->NpzHalf(); // right side has anodes from 256. to 511.
	202	Float_t zdet = GetSeg()->GetLocalZFromAnode(zAnode);
	203	Float_t driftTime = GetSeg()->GetDriftTimeFromTb(timebin) - cal->GetTimeOffset();
	204	Float_t driftPathMicron = cal->GetDriftPath(driftTime,zAnode);
	205	const Double_t kMicronTocm = 1.0e-4;
	206	Float_t xdet=(driftPathMicron-GetSeg()->Dx())*kMicronTocm; // xdet is negative
	207	if (s==0) xdet=-xdet; // left side has positive local x
4952f440	208
f6b6d58e	209	CorrectPosition(zdet,xdet);
	210
	211	Double_t loc[3]={xdet,0.,zdet},trk[3]={0.,0.,0.};
	212	mT2L->MasterToLocal(loc,trk);
	213	y=trk[1];
	214	z=trk[2];
	215
	216	q/=cal->GetADC2keV(); //to have MPV 1 MIP = 86.4 KeV
	217	Float_t hit[5] = {y, z, 0.00300.0030, 0.00200.0020, q};
	218	Int_t info[3] = {maxj-minj+1, maxi-mini+1, fNlayer[fModule]};
	219	if (digits) {
	220	// AliBin *b=&bins[s][idx[k]];
	221	// AliITSdigitSDD* d=(AliITSdigitSDD*)digits->UncheckedAt(b->GetIndex());
	222	{
	223	//Int_t lab[3];
	224	//lab[0]=(d->GetTracks())[0];
	225	//lab[1]=(d->GetTracks())[1];
	226	//lab[2]=(d->GetTracks())[2];
	227	//CheckLabels(lab);
	228	CheckLabels2(milab);
	229	}
	230	}
	231	milab[3]=fNdet[fModule];
	232
	233	AliITSRecPoint cc(milab,hit,info);
	234	cc.SetType(npeaks);
	235	if(clusters) new (cl[ncl]) AliITSRecPoint(cc);
	236	else {
	237	fDetTypeRec->AddRecPoint(cc);
	238	}
	239	ncl++;
04366a57	240	}
04366a57	241	}
24c98369	242
04366a57	243	}
f6b6d58e	244	//______________________________________________________________________
04366a57	245	void AliITSClusterFinderV2SDD::RawdataToClusters(AliRawReader* rawReader,TClonesArray** clusters){
	246	//------------------------------------------------------------
	247	// This function creates ITS clusters from raw data
	248	//------------------------------------------------------------
	249	rawReader->Reset();
0599a018	250	AliITSRawStreamSDD inputSDD(rawReader);
979b5a5f	251	AliITSDDLModuleMapSDD ddlmap=(AliITSDDLModuleMapSDD)fDetTypeRec->GetDDLModuleMapSDD();
979b5a5f	252	inputSDD.SetDDLModuleMap(ddlmap);
04366a57	253	FindClustersSDD(&inputSDD,clusters);
	254
	255	}
	256
	257	void AliITSClusterFinderV2SDD::FindClustersSDD(AliITSRawStream* input,
	258	TClonesArray** clusters)
	259	{
	260	//------------------------------------------------------------
	261	// Actual SDD cluster finder for raw data
	262	//------------------------------------------------------------
	263	Int_t nClustersSDD = 0;
4952f440	264	Int_t nAnodes = GetSeg()->NpzHalf();
	265	Int_t nzBins = nAnodes+2;
	266	Int_t nTimeBins = GetSeg()->Npx();
	267	Int_t nxBins = nTimeBins+2;
f6b6d58e	268	const Int_t kMaxBin=nzBins*nxBins;
ae485645	269	AliBin *bins[2];
93a93288	270	AliBin *ddlbins[kHybridsPerDDL]; // 12 modules (=24 hybrids) of 1 DDL read "in parallel"
93a93288	271	for(Int_t iHyb=0;iHyb<kHybridsPerDDL;iHyb++) ddlbins[iHyb]=new AliBin[kMaxBin];
04366a57	272	// read raw data input stream
14dceddf	273	while (input->Next()) {
e4da2288	274	Int_t iModule = input->GetModuleID();
93a93288	275	if(iModule<0){
	276	AliWarning(Form("Invalid SDD module number %d\n", iModule));
	277	continue;
	278	}
44c5b268	279
14dceddf	280	Int_t iCarlos =((AliITSRawStreamSDD*)input)->GetCarlosId();
	281	Int_t iSide = ((AliITSRawStreamSDD*)input)->GetChannel();
	282	Int_t iHybrid=iCarlos*2+iSide;
	283	if (input->IsCompletedModule()) {
04366a57	284	// when all data from a module was read, search for clusters
44c5b268	285	if(iCarlos<0){
	286	AliWarning(Form("Invalid SDD carlos number %d on module %d\n", iCarlos,iModule));
	287	continue;
	288	}
	289	clusters[iModule] = new TClonesArray("AliITSRecPoint");
	290	fModule = iModule;
	291	bins[0]=ddlbins[iCarlos*2]; // first hybrid of the completed module
	292	bins[1]=ddlbins[iCarlos*2+1]; // second hybrid of the completed module
	293	FindClustersSDD(bins, kMaxBin, nzBins, NULL, clusters[iModule]);
	294	Int_t nClusters = clusters[iModule]->GetEntriesFast();
	295	nClustersSDD += nClusters;
	296	for(Int_t iBin=0;iBin<kMaxBin; iBin++){
	297	ddlbins[iCarlos*2][iBin].Reset();
	298	ddlbins[iCarlos*2+1][iBin].Reset();
	299	}
5dfa68c5	300	}else{
04366a57	301	// fill the current digit into the bins array
44c5b268	302	if(iHybrid<0 \|\| iHybrid>=kHybridsPerDDL){
	303	AliWarning(Form("Invalid SDD hybrid number %d on module %d\n", iHybrid,iModule));
	304	continue;
	305	}
e4da2288	306	AliITSCalibrationSDD* cal = (AliITSCalibrationSDD*)GetResp(iModule);
5dfa68c5	307	AliITSresponseSDD* res = (AliITSresponseSDD*)cal->GetResponse();
5dfa68c5	308	const char *option=res->ZeroSuppOption();
5683bd96	309	Float_t charge=input->GetSignal();
14dceddf	310	Int_t chan=input->GetCoord1()+nAnodes*iSide;
14dceddf	311	Float_t gain=cal->GetChannelGain(chan);
5dfa68c5	312	if(!((strstr(option,"1D")) \|\| (strstr(option,"2D")))){
14dceddf	313	Float_t baseline = cal->GetBaseline(chan);
5683bd96	314	if(charge>baseline) charge-=baseline;
5683bd96	315	else charge=0;
5dfa68c5	316	}
5683bd96	317	if(gain>0) charge/=gain;
14dceddf	318	if(charge>=cal->GetThresholdAnode(chan)) {
14dceddf	319	Int_t q=(Int_t)(charge+0.5);
93a93288	320	Int_t iz = input->GetCoord1();
	321	Int_t itb = input->GetCoord2();
	322	Int_t index = (itb+1) * nzBins + (iz+1);
	323	if(index<kMaxBin){
	324	ddlbins[iHybrid][index].SetQ(q);
	325	ddlbins[iHybrid][index].SetMask(1);
	326	ddlbins[iHybrid][index].SetIndex(index);
	327
	328	}else{
	329	AliWarning(Form("Invalid SDD cell: Anode=%d TimeBin=%d",iz,itb));
	330	}
5dfa68c5	331	}
04366a57	332	}
04366a57	333	}
93a93288	334	for(Int_t iHyb=0;iHyb<kHybridsPerDDL;iHyb++) delete [] ddlbins[iHyb];
04366a57	335	Info("FindClustersSDD", "found clusters in ITS SDD: %d", nClustersSDD);
04366a57	336	}
	337
	338
5bfe44ce	339	//_________________________________________________________________________
	340	void AliITSClusterFinderV2SDD::CorrectPosition(Float_t &z, Float_t&y){
	341
	342	//correction of coordinates using the maps stored in the DB
	343
	344	AliITSCalibrationSDD* cal = (AliITSCalibrationSDD*)GetResp(fModule);
f6b6d58e	345	static const Int_t knbina = cal->Wings()cal->Chips()cal->Channels();
	346	Int_t bina =(Int_t) GetSeg()->GetAnodeFromLocal(y,z);
	347	if(bina>knbina) AliError("Wrong bin number along anodes!");
	348
a97b3678	349	static const Int_t knbint = cal->GetMapTimeNBin();
4952f440	350	const Double_t kMicronTocm = 1.0e-4;
f6b6d58e	351	Float_t stept = GetSeg()->Dx()*kMicronTocm/cal->GetMapTimeNBin();
404c1c29	352	Int_t bint = TMath::Abs((Int_t)(y/stept));
d97eb3fe	353	if(bint==knbint) bint-=1;
	354	if(bint>=knbint) AliError("Wrong bin number along drift direction!");
	355
5bfe44ce	356
4952f440	357	Float_t devz = cal->GetMapACell(bina,bint)*kMicronTocm;
4952f440	358	Float_t devx = cal->GetMapTCell(bina,bint)*kMicronTocm;
404c1c29	359	z+=devz;
404c1c29	360	y+=devx;
5bfe44ce	361
	362
	363	}