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


#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 <TClonesArray.h>
#include "AliITSdigitSDD.h"
#include "AliITSgeomTGeo.h"
ClassImp(AliITSClusterFinderV2SDD)

AliITSClusterFinderV2SDD::AliITSClusterFinderV2SDD(AliITSDetTypeRec* dettyp):AliITSClusterFinderV2(dettyp),
fNySDD(256),
fNzSDD(256),
fYpitchSDD(0.01825),
fZpitchSDD(0.02940),
fHwSDD(3.5085),
fHlSDD(3.7632),
fYoffSDD(0.0425){

  //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];
	     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 s2 = c.GetSigmaY2()/c.GetQ() - c.GetY()*c.GetY();
	    Float_t w=par->GetPadPitchWidth(sec);
	    c.SetSigmaY2(s2);
	    if (s2 != 0.) {
	    c.SetSigmaY2(c.GetSigmaY2()*0.108);
	    if (sec<par->GetNInnerSector()) c.SetSigmaY2(c.GetSigmaY2()*2.07);
	    }	 
	    s2 = c.GetSigmaZ2()/c.GetQ() - c.GetZ()*c.GetZ();
	    w=par->GetZWidth();
	    c.SetSigmaZ2(s2);
	    
	    if (s2 != 0.) {
	    c.SetSigmaZ2(c.GetSigmaZ2()*0.169);
	    if (sec<par->GetNInnerSector()) c.SetSigmaZ2(c.GetSigmaZ2()*1.77);
	    }
	 */

         Float_t y=c.GetY(),z=c.GetZ(), q=c.GetQ();
         y/=q; z/=q;
	 //
	 //Float_t s2 = c.GetSigmaY2()/c.GetQ() - y*y;
	 // c.SetSigmaY2(s2);
	 //s2 = c.GetSigmaZ2()/c.GetQ() - z*z;
         //c.SetSigmaZ2(s2);
	 //

	 Float_t yyyy = y;
         //y=(y-0.5)*fYpitchSDD;
         //y-=fHwSDD;
         //y-=fYoffSDD;  //delay ?
         //if (s) y=-y;

         z=(z-0.5)*fZpitchSDD;
         z-=fHlSDD;
	 Float_t zdet = z;
	 //      y=-(-y+fYshift[fModule]);
	 // z=  -z+fZshift[fModule];
	 //      c.SetY(y);
	 //  c.SetZ(z);
	 Float_t timebin = GetSeg()->Dpx(0);
	 Float_t xdet = cal->GetDriftPath((yyyy-0.5)*timebin,0);
	 xdet=xdet/10000.-fHwSDD-fYoffSDD;
	 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/=5.243;  //to have MPV 1 MIP = 86.4 KeV --> this must go to calibr.
         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 *binsSDDInit = new AliBin[kMaxBin];
  AliBin *binsSDD1 = new AliBin[kMaxBin];
  AliBin *binsSDD2 = new AliBin[kMaxBin];
  AliBin* bins[2] = {NULL, 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[0]) { 
	clusters[iModule] = new TClonesArray("AliITSRecPoint");
	fModule = iModule;
	FindClustersSDD(bins, kMaxBin, kNzBins, NULL, clusters[iModule]);
	Int_t nClusters = clusters[iModule]->GetEntriesFast();
	nClustersSDD += nClusters;
	bins[0] = bins[1] = NULL;	
      }

      if (!next) break;
      bins[0]=binsSDD1;
      bins[1]=binsSDD2;
      memcpy(binsSDD1,binsSDDInit,sizeof(AliBin)*kMaxBin);
      memcpy(binsSDD2,binsSDDInit,sizeof(AliBin)*kMaxBin);

    }

    // 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[] binsSDD1;
  delete[] binsSDD2;
  delete[] binsSDDInit;

  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	**************************************************************************/
	15	////////////////////////////////////////////////////////////////////////////
	16	// Implementation of the ITS clusterer V2 class //
	17	// //
	18	// Origin: Iouri Belikov, CERN, Jouri.Belikov@cern.ch //
	19	// //
	20	///////////////////////////////////////////////////////////////////////////
	21
	22
04366a57	23
04366a57	24	#include "AliITSClusterFinderV2SDD.h"
00a7cc50	25	#include "AliITSRecPoint.h"
7d62fb64	26	#include "AliITSDetTypeRec.h"
04366a57	27	#include "AliRawReader.h"
0599a018	28	#include "AliITSRawStreamSDD.h"
5bfe44ce	29	#include "AliITSCalibrationSDD.h"
	30	#include "AliITSDetTypeRec.h"
	31	#include "AliITSsegmentationSDD.h"
04366a57	32	#include <TClonesArray.h>
04366a57	33	#include "AliITSdigitSDD.h"
b4704be3	34	#include "AliITSgeomTGeo.h"
04366a57	35	ClassImp(AliITSClusterFinderV2SDD)
04366a57	36
e56160b8	37	AliITSClusterFinderV2SDD::AliITSClusterFinderV2SDD(AliITSDetTypeRec* dettyp):AliITSClusterFinderV2(dettyp),
	38	fNySDD(256),
	39	fNzSDD(256),
	40	fYpitchSDD(0.01825),
	41	fZpitchSDD(0.02940),
	42	fHwSDD(3.5085),
	43	fHlSDD(3.7632),
	44	fYoffSDD(0.0425){
04366a57	45
	46	//Default constructor
	47
04366a57	48
	49	}
	50
	51
	52	void AliITSClusterFinderV2SDD::FindRawClusters(Int_t mod){
	53
	54	//Find clusters V2
	55	SetModule(mod);
	56	FindClustersSDD(fDigits);
	57
	58	}
	59
	60	void AliITSClusterFinderV2SDD::FindClustersSDD(TClonesArray *digits) {
	61	//------------------------------------------------------------
	62	// Actual SDD cluster finder
	63	//------------------------------------------------------------
	64	Int_t kNzBins = fNzSDD + 2;
	65	const Int_t kMAXBIN=kNzBins*(fNySDD+2);
	66
	67	AliBin *bins[2];
	68	bins[0]=new AliBin[kMAXBIN];
	69	bins[1]=new AliBin[kMAXBIN];
404c1c29	70	AliITSCalibrationSDD* cal = (AliITSCalibrationSDD*)GetResp(fModule);
0599a018	71	AliITSresponseSDD* res = (AliITSresponseSDD*)cal->GetResponse();
0599a018	72	const char *option=res->ZeroSuppOption();
04366a57	73	AliITSdigitSDD *d=0;
	74	Int_t i, ndigits=digits->GetEntriesFast();
	75	for (i=0; i<ndigits; i++) {
	76	d=(AliITSdigitSDD*)digits->UncheckedAt(i);
	77	Int_t y=d->GetCoord2()+1; //y
	78	Int_t z=d->GetCoord1()+1; //z
	79	Int_t q=d->GetSignal();
0599a018	80	if(!((strstr(option,"1D")) \|\| (strstr(option,"2D")))){
	81	Float_t baseline = cal->GetBaseline(d->GetCoord1());
	82	if(q>baseline) q-=(Int_t)baseline;
	83	else q=0;
	84	}
9e4d7193	85	if(q<cal->GetThresholdAnode(d->GetCoord1())) continue;
0599a018	86
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
04366a57	166	for (Int_t di=-2; di<=2;di++)
	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];
24c98369	172	if (di>maxi) maxi=di;
	173	if (di<mini) mini=di;
	174	if (dj>maxj) maxj=dj;
	175	if (dj<minj) minj=dj;
	176	//
	177	if(digits) {
	178	if (TMath::Abs(di)<2&&TMath::Abs(dj)<2){
	179	AliITSdigitSDD* d=(AliITSdigitSDD*)digits->UncheckedAt(b->GetIndex());
	180	for (Int_t itrack=0;itrack<10;itrack++){
	181	Int_t track = (d->GetTracks())[itrack];
	182	if (track>=0) {
	183	AddLabel(milab, track);
04366a57	184	}
	185	}
	186	}
24c98369	187	}
04366a57	188	}
	189
	190	/*
	191	Float_t s2 = c.GetSigmaY2()/c.GetQ() - c.GetY()*c.GetY();
	192	Float_t w=par->GetPadPitchWidth(sec);
	193	c.SetSigmaY2(s2);
	194	if (s2 != 0.) {
	195	c.SetSigmaY2(c.GetSigmaY2()*0.108);
	196	if (sec<par->GetNInnerSector()) c.SetSigmaY2(c.GetSigmaY2()*2.07);
	197	}
	198	s2 = c.GetSigmaZ2()/c.GetQ() - c.GetZ()*c.GetZ();
	199	w=par->GetZWidth();
	200	c.SetSigmaZ2(s2);
	201
	202	if (s2 != 0.) {
	203	c.SetSigmaZ2(c.GetSigmaZ2()*0.169);
	204	if (sec<par->GetNInnerSector()) c.SetSigmaZ2(c.GetSigmaZ2()*1.77);
	205	}
	206	*/
	207
04366a57	208	Float_t y=c.GetY(),z=c.GetZ(), q=c.GetQ();
	209	y/=q; z/=q;
	210	//
	211	//Float_t s2 = c.GetSigmaY2()/c.GetQ() - y*y;
	212	// c.SetSigmaY2(s2);
	213	//s2 = c.GetSigmaZ2()/c.GetQ() - z*z;
	214	//c.SetSigmaZ2(s2);
	215	//
404c1c29	216
	217	Float_t yyyy = y;
	218	//y=(y-0.5)*fYpitchSDD;
	219	//y-=fHwSDD;
	220	//y-=fYoffSDD; //delay ?
	221	//if (s) y=-y;
04366a57	222
	223	z=(z-0.5)*fZpitchSDD;
	224	z-=fHlSDD;
404c1c29	225	Float_t zdet = z;
	226	// y=-(-y+fYshift[fModule]);
	227	// z= -z+fZshift[fModule];
00a7cc50	228	// c.SetY(y);
00a7cc50	229	// c.SetZ(z);
9e4d7193	230	Float_t timebin = GetSeg()->Dpx(0);
9e4d7193	231	Float_t xdet = cal->GetDriftPath((yyyy-0.5)*timebin,0);
404c1c29	232	xdet=xdet/10000.-fHwSDD-fYoffSDD;
	233	if (s) xdet=-xdet;
	234
	235	CorrectPosition(zdet,xdet);
	236
b4704be3	237	{
	238	Double_t loc[3]={xdet,0.,zdet},trk[3]={0.,0.,0.};
	239	mT2L->MasterToLocal(loc,trk);
	240	y=trk[1];
	241	z=trk[2];
	242	}
3a4139a2	243	q/=5.243; //to have MPV 1 MIP = 86.4 KeV --> this must go to calibr.
ecb9da3c	244	Float_t hit[5] = {y, z, 0.00300.0030, 0.00200.0020, q};
ecb9da3c	245	Int_t info[3] = {maxj-minj+1, maxi-mini+1, fNlayer[fModule]};
04366a57	246
	247	if (digits) {
	248	// AliBin *b=&bins[s][idx[k]];
	249	// AliITSdigitSDD* d=(AliITSdigitSDD*)digits->UncheckedAt(b->GetIndex());
	250	{
	251	//Int_t lab[3];
	252	//lab[0]=(d->GetTracks())[0];
	253	//lab[1]=(d->GetTracks())[1];
	254	//lab[2]=(d->GetTracks())[2];
	255	//CheckLabels(lab);
	256	CheckLabels2(milab);
04366a57	257	}
04366a57	258	}
ecb9da3c	259	milab[3]=fNdet[fModule];
	260
	261	AliITSRecPoint cc(milab,hit,info);
	262	cc.SetType(npeaks);
	263
	264	if(clusters) new (cl[ncl]) AliITSRecPoint(cc);
04366a57	265	else {
ecb9da3c	266	fDetTypeRec->AddRecPoint(cc);
04366a57	267	}
	268	ncl++;
	269	}
	270	}
24c98369	271
04366a57	272	}
	273
	274
	275
	276	void AliITSClusterFinderV2SDD::RawdataToClusters(AliRawReader* rawReader,TClonesArray** clusters){
	277	//------------------------------------------------------------
	278	// This function creates ITS clusters from raw data
	279	//------------------------------------------------------------
	280	rawReader->Reset();
0599a018	281	AliITSRawStreamSDD inputSDD(rawReader);
04366a57	282	FindClustersSDD(&inputSDD,clusters);
	283
	284	}
	285
	286	void AliITSClusterFinderV2SDD::FindClustersSDD(AliITSRawStream* input,
	287	TClonesArray** clusters)
	288	{
	289	//------------------------------------------------------------
	290	// Actual SDD cluster finder for raw data
	291	//------------------------------------------------------------
	292	Int_t nClustersSDD = 0;
	293	Int_t kNzBins = fNzSDD + 2;
	294	Int_t kMaxBin = kNzBins * (fNySDD+2);
d7d9347b	295	AliBin *binsSDDInit = new AliBin[kMaxBin];
	296	AliBin *binsSDD1 = new AliBin[kMaxBin];
	297	AliBin *binsSDD2 = new AliBin[kMaxBin];
04366a57	298	AliBin* bins[2] = {NULL, NULL};
	299
	300	// read raw data input stream
	301	while (kTRUE) {
	302	Bool_t next = input->Next();
	303	if (!next \|\| input->IsNewModule()) {
	304	Int_t iModule = input->GetPrevModuleID();
	305
	306	// when all data from a module was read, search for clusters
	307	if (bins[0]) {
00a7cc50	308	clusters[iModule] = new TClonesArray("AliITSRecPoint");
04366a57	309	fModule = iModule;
	310	FindClustersSDD(bins, kMaxBin, kNzBins, NULL, clusters[iModule]);
	311	Int_t nClusters = clusters[iModule]->GetEntriesFast();
	312	nClustersSDD += nClusters;
a97b3678	313	bins[0] = bins[1] = NULL;
04366a57	314	}
	315
	316	if (!next) break;
d7d9347b	317	bins[0]=binsSDD1;
	318	bins[1]=binsSDD2;
	319	memcpy(binsSDD1,binsSDDInit,sizeof(AliBin)*kMaxBin);
	320	memcpy(binsSDD2,binsSDDInit,sizeof(AliBin)*kMaxBin);
	321
04366a57	322	}
	323
	324	// fill the current digit into the bins array
a97b3678	325	AliITSCalibrationSDD* cal = (AliITSCalibrationSDD*)GetResp(input->GetModuleID());
	326	AliITSresponseSDD* res = (AliITSresponseSDD*)cal->GetResponse();
	327	const char *option=res->ZeroSuppOption();
	328	Int_t q=input->GetSignal();
	329	if(!((strstr(option,"1D")) \|\| (strstr(option,"2D")))){
	330	Float_t baseline = cal->GetBaseline(input->GetCoord1());
	331	if(q>baseline) q-=(Int_t)baseline;
	332	else q=0;
	333	}
	334	if(q>=cal->GetThresholdAnode(input->GetCoord1())) {
04366a57	335	Int_t iz = input->GetCoord1()+1;
a97b3678	336	//Int_t side = ((iz <= fNzSDD) ? 0 : 1);
	337	Int_t side = ((AliITSRawStreamSDD*)input)->GetChannel();
	338	// iz -= side*fNzSDD;
04366a57	339	Int_t index = (input->GetCoord2()+1) * kNzBins + iz;
a97b3678	340	bins[side][index].SetQ(q);
04366a57	341	bins[side][index].SetMask(1);
	342	bins[side][index].SetIndex(index);
	343	}
	344	}
d7d9347b	345	delete[] binsSDD1;
	346	delete[] binsSDD2;
	347	delete[] binsSDDInit;
04366a57	348
04366a57	349	Info("FindClustersSDD", "found clusters in ITS SDD: %d", nClustersSDD);
04366a57	350	}
	351
	352
5bfe44ce	353	//_________________________________________________________________________
	354	void AliITSClusterFinderV2SDD::CorrectPosition(Float_t &z, Float_t&y){
	355
	356	//correction of coordinates using the maps stored in the DB
	357
	358	AliITSCalibrationSDD* cal = (AliITSCalibrationSDD*)GetResp(fModule);
a97b3678	359	static const Int_t knbint = cal->GetMapTimeNBin();
a97b3678	360	static const Int_t knbina = cal->Chips()*cal->Channels();
5bfe44ce	361	Float_t stepa = (GetSeg()->Dpz(0))/10000.; //anode pitch in cm
5bfe44ce	362	Float_t stept = (GetSeg()->Dx()/cal->GetMapTimeNBin()/2.)/10.;
404c1c29	363
404c1c29	364	Int_t bint = TMath::Abs((Int_t)(y/stept));
a97b3678	365	if(y>=0) bint+=(Int_t)(knbint/2.);
a97b3678	366	if(bint>knbint) AliError("Wrong bin number!");
5bfe44ce	367
404c1c29	368	Int_t bina = TMath::Abs((Int_t)(z/stepa));
a97b3678	369	if(z>=0) bina+=(Int_t)(knbina/2.);
a97b3678	370	if(bina>knbina) AliError("Wrong bin number!");
5bfe44ce	371
	372	Float_t devz = cal->GetMapACell(bina,bint)/10000.;
	373	Float_t devx = cal->GetMapTCell(bina,bint)/10000.;
404c1c29	374	z+=devz;
404c1c29	375	y+=devx;
5bfe44ce	376
	377
	378	}