[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),
fNySDD(256),
fNzSDD(256),
fZpitchSDD(0.02940),
fHwSDD(3.5085),
fHlSDD(3.7632)
{

  //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 kNzBins = fNzSDD + 2;
  const Int_t kMAXBIN=kNzBins*(fNySDD+2);

  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
     Int_t q=d->GetSignal();
     if(!((strstr(option,"1D")) || (strstr(option,"2D")))){
       Float_t baseline = cal->GetBaseline(d->GetCoord1());
       if(q>baseline) q-=(Int_t)baseline;
       else q=0;
     }
     if(q<cal->GetThresholdAnode(d->GetCoord1())) continue;
     //if (q<3) continue;

     if (z <= fNzSDD) {
       bins[0][y*kNzBins+z].SetQ(q);
       bins[0][y*kNzBins+z].SetMask(1);
       bins[0][y*kNzBins+z].SetIndex(i);
     } else {
       z-=fNzSDD; 
       bins[1][y*kNzBins+z].SetQ(q);
       bins[1][y*kNzBins+z].SetMask(1);
       bins[1][y*kNzBins+z].SetIndex(i);
     }
  }
  
  FindClustersSDD(bins, kMAXBIN, kNzBins, 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 yyyy = y;

         z=(z-0.5)*fZpitchSDD;
         z-=fHlSDD;
	 Float_t zdet = z;
	 Float_t timebin = GetSeg()->Dpx(0);
	 Float_t driftTime = (yyyy-0.5)*timebin - cal->GetTimeOffset();
	 Float_t xdet = cal->GetDriftPath(driftTime,0);
	 xdet=xdet/10000.-fHwSDD;
	 if (s) xdet=-xdet;
	 
	 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);
  FindClustersSDD(&inputSDD,clusters);

}

void AliITSClusterFinderV2SDD::FindClustersSDD(AliITSRawStream* input, 
					TClonesArray** clusters) 
{
  //------------------------------------------------------------
  // Actual SDD cluster finder for raw data
  //------------------------------------------------------------
  Int_t nClustersSDD = 0;
  Int_t kNzBins = fNzSDD + 2;
  Int_t kMaxBin = kNzBins * (fNySDD+2);
  AliBin *bins[2];
  bins[0]=new AliBin[kMaxBin];
  bins[1]=new AliBin[kMaxBin];

  // read raw data input stream
  while (kTRUE) {
    Bool_t next = input->Next();
    if (!next || input->IsCompletedModule()) {
      // when all data from a module was read, search for clusters
      Int_t iModule = input->GetModuleID();
      clusters[iModule] = new TClonesArray("AliITSRecPoint");
      fModule = iModule;
      FindClustersSDD(bins, kMaxBin, kNzBins, NULL, clusters[iModule]);
      Int_t nClusters = clusters[iModule]->GetEntriesFast();
      nClustersSDD += nClusters;
      for(Int_t iBin=0;iBin<kMaxBin; iBin++){
	bins[0][iBin].Reset();
	bins[1][iBin].Reset();
      }
      if (!next) break;
    }else{
    // fill the current digit into the bins array
      AliITSCalibrationSDD* cal = (AliITSCalibrationSDD*)GetResp(input->GetModuleID());    
      AliITSresponseSDD* res  = (AliITSresponseSDD*)cal->GetResponse();
      const char *option=res->ZeroSuppOption();
      Int_t q=input->GetSignal();
      if(!((strstr(option,"1D")) || (strstr(option,"2D")))){
	Float_t baseline = cal->GetBaseline(input->GetCoord1());
	if(q>baseline) q-=(Int_t)baseline;
	else q=0;
      }
      if(q>=cal->GetThresholdAnode(input->GetCoord1())) {
	Int_t iz = input->GetCoord1()+1;
	//Int_t side = ((iz <= fNzSDD) ? 0 : 1);
	Int_t side = ((AliITSRawStreamSDD*)input)->GetChannel();
	//  iz -= side*fNzSDD;
	Int_t index = (input->GetCoord2()+1) * kNzBins + iz;
	bins[side][index].SetQ(q);
	bins[side][index].SetMask(1);
	bins[side][index].SetIndex(index);
      }
    }
  }
  delete [] bins[0];
  delete [] bins[1];

  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 knbint = cal->GetMapTimeNBin();
  static const Int_t knbina = cal->Chips()*cal->Channels();
  Float_t stepa = (GetSeg()->Dpz(0))/10000.; //anode pitch in cm
  Float_t stept = (GetSeg()->Dx()/cal->GetMapTimeNBin()/2.)/10.;
  
  Int_t bint = TMath::Abs((Int_t)(y/stept));
  if(y>=0) bint+=(Int_t)(knbint/2.);
  if(bint>knbint) AliError("Wrong bin number!");

  Int_t bina = TMath::Abs((Int_t)(z/stepa));
  if(z>=0) bina+=(Int_t)(knbina/2.);
  if(bina>knbina) AliError("Wrong bin number!");

  Float_t devz = cal->GetMapACell(bina,bint)/10000.;
  Float_t devx = cal->GetMapTCell(bina,bint)/10000.;
  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
e56160b8	40	AliITSClusterFinderV2SDD::AliITSClusterFinderV2SDD(AliITSDetTypeRec* dettyp):AliITSClusterFinderV2(dettyp),
	41	fNySDD(256),
	42	fNzSDD(256),
e56160b8	43	fZpitchSDD(0.02940),
e56160b8	44	fHwSDD(3.5085),
a66a0eb6	45	fHlSDD(3.7632)
a66a0eb6	46	{
04366a57	47
	48	//Default constructor
	49
04366a57	50	}
	51
	52
	53	void AliITSClusterFinderV2SDD::FindRawClusters(Int_t mod){
	54
	55	//Find clusters V2
	56	SetModule(mod);
	57	FindClustersSDD(fDigits);
	58
	59	}
	60
	61	void AliITSClusterFinderV2SDD::FindClustersSDD(TClonesArray *digits) {
	62	//------------------------------------------------------------
	63	// Actual SDD cluster finder
	64	//------------------------------------------------------------
	65	Int_t kNzBins = fNzSDD + 2;
	66	const Int_t kMAXBIN=kNzBins*(fNySDD+2);
	67
	68	AliBin *bins[2];
	69	bins[0]=new AliBin[kMAXBIN];
	70	bins[1]=new AliBin[kMAXBIN];
404c1c29	71	AliITSCalibrationSDD* cal = (AliITSCalibrationSDD*)GetResp(fModule);
0599a018	72	AliITSresponseSDD* res = (AliITSresponseSDD*)cal->GetResponse();
0599a018	73	const char *option=res->ZeroSuppOption();
04366a57	74	AliITSdigitSDD *d=0;
	75	Int_t i, ndigits=digits->GetEntriesFast();
	76	for (i=0; i<ndigits; i++) {
	77	d=(AliITSdigitSDD*)digits->UncheckedAt(i);
	78	Int_t y=d->GetCoord2()+1; //y
	79	Int_t z=d->GetCoord1()+1; //z
	80	Int_t q=d->GetSignal();
0599a018	81	if(!((strstr(option,"1D")) \|\| (strstr(option,"2D")))){
	82	Float_t baseline = cal->GetBaseline(d->GetCoord1());
	83	if(q>baseline) q-=(Int_t)baseline;
	84	else q=0;
	85	}
9e4d7193	86	if(q<cal->GetThresholdAnode(d->GetCoord1())) continue;
404c1c29	87	//if (q<3) continue;
04366a57	88
	89	if (z <= fNzSDD) {
	90	bins[0][y*kNzBins+z].SetQ(q);
	91	bins[0][y*kNzBins+z].SetMask(1);
	92	bins[0][y*kNzBins+z].SetIndex(i);
	93	} else {
	94	z-=fNzSDD;
	95	bins[1][y*kNzBins+z].SetQ(q);
	96	bins[1][y*kNzBins+z].SetMask(1);
	97	bins[1][y*kNzBins+z].SetIndex(i);
	98	}
	99	}
	100
	101	FindClustersSDD(bins, kMAXBIN, kNzBins, digits);
	102
	103	delete[] bins[0];
	104	delete[] bins[1];
	105
	106	}
	107
	108	void AliITSClusterFinderV2SDD::
	109	FindClustersSDD(AliBin* bins[2], Int_t nMaxBin, Int_t nzBins,
	110	TClonesArray digits, TClonesArray clusters) {
	111	//------------------------------------------------------------
	112	// Actual SDD cluster finder
	113	//------------------------------------------------------------
b4704be3	114
b4704be3	115	const TGeoHMatrix *mT2L=AliITSgeomTGeo::GetTracking2LocalMatrix(fModule);
404c1c29	116	AliITSCalibrationSDD* cal = (AliITSCalibrationSDD*)GetResp(fModule);
04366a57	117	Int_t ncl=0;
	118	TClonesArray &cl=*clusters;
	119	for (Int_t s=0; s<2; s++)
	120	for (Int_t i=0; i<nMaxBin; i++) {
	121	if (bins[s][i].IsUsed()) continue;
	122	Int_t idx[32]; UInt_t msk[32]; Int_t npeaks=0;
	123	FindPeaks(i, nzBins, bins[s], idx, msk, npeaks);
	124
	125	if (npeaks>30) continue;
	126	if (npeaks==0) continue;
	127
	128	Int_t k,l;
	129	for (k=0; k<npeaks-1; k++){//mark adjacent peaks
	130	if (idx[k] < 0) continue; //this peak is already removed
	131	for (l=k+1; l<npeaks; l++) {
	132	if (idx[l] < 0) continue; //this peak is already removed
	133	Int_t ki=idx[k]/nzBins, kj=idx[k] - ki*nzBins;
	134	Int_t li=idx[l]/nzBins, lj=idx[l] - li*nzBins;
	135	Int_t di=TMath::Abs(ki - li);
	136	Int_t dj=TMath::Abs(kj - lj);
	137	if (di>1 \|\| dj>1) continue;
	138	if (bins[s][idx[k]].GetQ() > bins[s][idx[l]].GetQ()) {
	139	msk[l]=msk[k];
	140	idx[l]*=-1;
	141	} else {
	142	msk[k]=msk[l];
	143	idx[k]*=-1;
	144	break;
	145	}
	146	}
	147	}
	148
	149	for (k=0; k<npeaks; k++) {
	150	MarkPeak(TMath::Abs(idx[k]), nzBins, bins[s], msk[k]);
	151	}
	152
	153	for (k=0; k<npeaks; k++) {
	154	if (idx[k] < 0) continue; //removed peak
75fb37cc	155	AliITSRecPoint c;
04366a57	156	MakeCluster(idx[k], nzBins, bins[s], msk[k], c);
	157	//mi change
	158	Int_t milab[10];
	159	for (Int_t ilab=0;ilab<10;ilab++){
	160	milab[ilab]=-2;
	161	}
	162	Int_t maxi=0,mini=0,maxj=0,minj=0;
	163	//AliBin *bmax=&bins[s][idx[k]];
	164	//Float_t max = TMath::Max(TMath::Abs(bmax->GetQ())/5.,3.);
24c98369	165
5dfa68c5	166	for (Int_t di=-2; di<=2;di++){
04366a57	167	for (Int_t dj=-3;dj<=3;dj++){
	168	Int_t index = idx[k]+di+dj*nzBins;
	169	if (index<0) continue;
	170	if (index>=nMaxBin) continue;
	171	AliBin *b=&bins[s][index];
5dfa68c5	172	Int_t nAnode=index%nzBins-1;
	173	Int_t adcSignal=b->GetQ();
	174	if(adcSignal>cal->GetThresholdAnode(nAnode)){
	175	if (di>maxi) maxi=di;
	176	if (di<mini) mini=di;
	177	if (dj>maxj) maxj=dj;
	178	if (dj<minj) minj=dj;
	179	}
24c98369	180	//
	181	if(digits) {
	182	if (TMath::Abs(di)<2&&TMath::Abs(dj)<2){
	183	AliITSdigitSDD* d=(AliITSdigitSDD*)digits->UncheckedAt(b->GetIndex());
	184	for (Int_t itrack=0;itrack<10;itrack++){
	185	Int_t track = (d->GetTracks())[itrack];
	186	if (track>=0) {
	187	AddLabel(milab, track);
04366a57	188	}
	189	}
	190	}
5dfa68c5	191	}
04366a57	192	}
5dfa68c5	193	}
d76cb3ad	194
04366a57	195
04366a57	196	Float_t y=c.GetY(),z=c.GetZ(), q=c.GetQ();
04366a57	197	y/=q; z/=q;
d76cb3ad	198
404c1c29	199
404c1c29	200	Float_t yyyy = y;
04366a57	201
	202	z=(z-0.5)*fZpitchSDD;
	203	z-=fHlSDD;
404c1c29	204	Float_t zdet = z;
9e4d7193	205	Float_t timebin = GetSeg()->Dpx(0);
a66a0eb6	206	Float_t driftTime = (yyyy-0.5)*timebin - cal->GetTimeOffset();
d76cb3ad	207	Float_t xdet = cal->GetDriftPath(driftTime,0);
d76cb3ad	208	xdet=xdet/10000.-fHwSDD;
404c1c29	209	if (s) xdet=-xdet;
	210
	211	CorrectPosition(zdet,xdet);
	212
b4704be3	213	{
	214	Double_t loc[3]={xdet,0.,zdet},trk[3]={0.,0.,0.};
	215	mT2L->MasterToLocal(loc,trk);
	216	y=trk[1];
	217	z=trk[2];
	218	}
a66a0eb6	219	q/=cal->GetADC2keV(); //to have MPV 1 MIP = 86.4 KeV
ecb9da3c	220	Float_t hit[5] = {y, z, 0.00300.0030, 0.00200.0020, q};
ecb9da3c	221	Int_t info[3] = {maxj-minj+1, maxi-mini+1, fNlayer[fModule]};
04366a57	222	if (digits) {
	223	// AliBin *b=&bins[s][idx[k]];
	224	// AliITSdigitSDD* d=(AliITSdigitSDD*)digits->UncheckedAt(b->GetIndex());
	225	{
	226	//Int_t lab[3];
	227	//lab[0]=(d->GetTracks())[0];
	228	//lab[1]=(d->GetTracks())[1];
	229	//lab[2]=(d->GetTracks())[2];
	230	//CheckLabels(lab);
	231	CheckLabels2(milab);
04366a57	232	}
04366a57	233	}
ecb9da3c	234	milab[3]=fNdet[fModule];
	235
	236	AliITSRecPoint cc(milab,hit,info);
	237	cc.SetType(npeaks);
	238
	239	if(clusters) new (cl[ncl]) AliITSRecPoint(cc);
04366a57	240	else {
ecb9da3c	241	fDetTypeRec->AddRecPoint(cc);
04366a57	242	}
	243	ncl++;
	244	}
	245	}
24c98369	246
04366a57	247	}
	248
	249
	250
	251	void AliITSClusterFinderV2SDD::RawdataToClusters(AliRawReader* rawReader,TClonesArray** clusters){
	252	//------------------------------------------------------------
	253	// This function creates ITS clusters from raw data
	254	//------------------------------------------------------------
	255	rawReader->Reset();
0599a018	256	AliITSRawStreamSDD inputSDD(rawReader);
04366a57	257	FindClustersSDD(&inputSDD,clusters);
	258
	259	}
	260
	261	void AliITSClusterFinderV2SDD::FindClustersSDD(AliITSRawStream* input,
	262	TClonesArray** clusters)
	263	{
	264	//------------------------------------------------------------
	265	// Actual SDD cluster finder for raw data
	266	//------------------------------------------------------------
	267	Int_t nClustersSDD = 0;
	268	Int_t kNzBins = fNzSDD + 2;
	269	Int_t kMaxBin = kNzBins * (fNySDD+2);
ae485645	270	AliBin *bins[2];
	271	bins[0]=new AliBin[kMaxBin];
	272	bins[1]=new AliBin[kMaxBin];
04366a57	273
	274	// read raw data input stream
	275	while (kTRUE) {
	276	Bool_t next = input->Next();
5dfa68c5	277	if (!next \|\| input->IsCompletedModule()) {
04366a57	278	// when all data from a module was read, search for clusters
5dfa68c5	279	Int_t iModule = input->GetModuleID();
ae485645	280	clusters[iModule] = new TClonesArray("AliITSRecPoint");
	281	fModule = iModule;
	282	FindClustersSDD(bins, kMaxBin, kNzBins, NULL, clusters[iModule]);
	283	Int_t nClusters = clusters[iModule]->GetEntriesFast();
	284	nClustersSDD += nClusters;
4b59acab	285	for(Int_t iBin=0;iBin<kMaxBin; iBin++){
	286	bins[0][iBin].Reset();
	287	bins[1][iBin].Reset();
	288	}
04366a57	289	if (!next) break;
5dfa68c5	290	}else{
04366a57	291	// fill the current digit into the bins array
5dfa68c5	292	AliITSCalibrationSDD* cal = (AliITSCalibrationSDD*)GetResp(input->GetModuleID());
	293	AliITSresponseSDD* res = (AliITSresponseSDD*)cal->GetResponse();
	294	const char *option=res->ZeroSuppOption();
	295	Int_t q=input->GetSignal();
	296	if(!((strstr(option,"1D")) \|\| (strstr(option,"2D")))){
	297	Float_t baseline = cal->GetBaseline(input->GetCoord1());
	298	if(q>baseline) q-=(Int_t)baseline;
	299	else q=0;
	300	}
	301	if(q>=cal->GetThresholdAnode(input->GetCoord1())) {
	302	Int_t iz = input->GetCoord1()+1;
	303	//Int_t side = ((iz <= fNzSDD) ? 0 : 1);
	304	Int_t side = ((AliITSRawStreamSDD*)input)->GetChannel();
	305	// iz -= side*fNzSDD;
	306	Int_t index = (input->GetCoord2()+1) * kNzBins + iz;
	307	bins[side][index].SetQ(q);
	308	bins[side][index].SetMask(1);
	309	bins[side][index].SetIndex(index);
	310	}
04366a57	311	}
04366a57	312	}
4b59acab	313	delete [] bins[0];
4b59acab	314	delete [] bins[1];
04366a57	315
04366a57	316	Info("FindClustersSDD", "found clusters in ITS SDD: %d", nClustersSDD);
04366a57	317	}
	318
	319
5bfe44ce	320	//_________________________________________________________________________
	321	void AliITSClusterFinderV2SDD::CorrectPosition(Float_t &z, Float_t&y){
	322
	323	//correction of coordinates using the maps stored in the DB
	324
	325	AliITSCalibrationSDD* cal = (AliITSCalibrationSDD*)GetResp(fModule);
a97b3678	326	static const Int_t knbint = cal->GetMapTimeNBin();
a97b3678	327	static const Int_t knbina = cal->Chips()*cal->Channels();
5bfe44ce	328	Float_t stepa = (GetSeg()->Dpz(0))/10000.; //anode pitch in cm
5bfe44ce	329	Float_t stept = (GetSeg()->Dx()/cal->GetMapTimeNBin()/2.)/10.;
404c1c29	330
404c1c29	331	Int_t bint = TMath::Abs((Int_t)(y/stept));
a97b3678	332	if(y>=0) bint+=(Int_t)(knbint/2.);
a97b3678	333	if(bint>knbint) AliError("Wrong bin number!");
5bfe44ce	334
404c1c29	335	Int_t bina = TMath::Abs((Int_t)(z/stepa));
a97b3678	336	if(z>=0) bina+=(Int_t)(knbina/2.);
a97b3678	337	if(bina>knbina) AliError("Wrong bin number!");
5bfe44ce	338
	339	Float_t devz = cal->GetMapACell(bina,bint)/10000.;
	340	Float_t devx = cal->GetMapTCell(bina,bint)/10000.;
404c1c29	341	z+=devz;
404c1c29	342	y+=devx;
5bfe44ce	343
	344
	345	}