[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.);
	 Float_t max=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 (TMath::Abs(b->GetQ())>max){
	       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 (c.GetQ() < 20.) continue; //noise cluster
	 
	 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
	36	ClassImp(AliITSClusterFinderV2SDD)
	37
e56160b8	38	AliITSClusterFinderV2SDD::AliITSClusterFinderV2SDD(AliITSDetTypeRec* dettyp):AliITSClusterFinderV2(dettyp),
	39	fNySDD(256),
	40	fNzSDD(256),
	41	fYpitchSDD(0.01825),
	42	fZpitchSDD(0.02940),
	43	fHwSDD(3.5085),
	44	fHlSDD(3.7632),
	45	fYoffSDD(0.0425){
04366a57	46
	47	//Default constructor
	48
04366a57	49
	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;
0599a018	87
404c1c29	88	//if (q<3) continue;
04366a57	89
	90	if (z <= fNzSDD) {
	91	bins[0][y*kNzBins+z].SetQ(q);
	92	bins[0][y*kNzBins+z].SetMask(1);
	93	bins[0][y*kNzBins+z].SetIndex(i);
	94	} else {
	95	z-=fNzSDD;
	96	bins[1][y*kNzBins+z].SetQ(q);
	97	bins[1][y*kNzBins+z].SetMask(1);
	98	bins[1][y*kNzBins+z].SetIndex(i);
	99	}
	100	}
	101
	102	FindClustersSDD(bins, kMAXBIN, kNzBins, digits);
	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
	116	const TGeoHMatrix *mT2L=AliITSgeomTGeo::GetTracking2LocalMatrix(fModule);
	117
404c1c29	118	AliITSCalibrationSDD* cal = (AliITSCalibrationSDD*)GetResp(fModule);
04366a57	119	Int_t ncl=0;
	120	TClonesArray &cl=*clusters;
	121	for (Int_t s=0; s<2; s++)
	122	for (Int_t i=0; i<nMaxBin; i++) {
	123	if (bins[s][i].IsUsed()) continue;
	124	Int_t idx[32]; UInt_t msk[32]; Int_t npeaks=0;
	125	FindPeaks(i, nzBins, bins[s], idx, msk, npeaks);
	126
	127	if (npeaks>30) continue;
	128	if (npeaks==0) continue;
	129
	130	Int_t k,l;
	131	for (k=0; k<npeaks-1; k++){//mark adjacent peaks
	132	if (idx[k] < 0) continue; //this peak is already removed
	133	for (l=k+1; l<npeaks; l++) {
	134	if (idx[l] < 0) continue; //this peak is already removed
	135	Int_t ki=idx[k]/nzBins, kj=idx[k] - ki*nzBins;
	136	Int_t li=idx[l]/nzBins, lj=idx[l] - li*nzBins;
	137	Int_t di=TMath::Abs(ki - li);
	138	Int_t dj=TMath::Abs(kj - lj);
	139	if (di>1 \|\| dj>1) continue;
	140	if (bins[s][idx[k]].GetQ() > bins[s][idx[l]].GetQ()) {
	141	msk[l]=msk[k];
	142	idx[l]*=-1;
	143	} else {
	144	msk[k]=msk[l];
	145	idx[k]*=-1;
	146	break;
	147	}
	148	}
	149	}
	150
	151	for (k=0; k<npeaks; k++) {
	152	MarkPeak(TMath::Abs(idx[k]), nzBins, bins[s], msk[k]);
	153	}
	154
	155	for (k=0; k<npeaks; k++) {
	156	if (idx[k] < 0) continue; //removed peak
75fb37cc	157	AliITSRecPoint c;
04366a57	158	MakeCluster(idx[k], nzBins, bins[s], msk[k], c);
	159	//mi change
	160	Int_t milab[10];
	161	for (Int_t ilab=0;ilab<10;ilab++){
	162	milab[ilab]=-2;
	163	}
	164	Int_t maxi=0,mini=0,maxj=0,minj=0;
	165	//AliBin *bmax=&bins[s][idx[k]];
	166	//Float_t max = TMath::Max(TMath::Abs(bmax->GetQ())/5.,3.);
	167	Float_t max=3;
	168	for (Int_t di=-2; di<=2;di++)
	169	for (Int_t dj=-3;dj<=3;dj++){
	170	Int_t index = idx[k]+di+dj*nzBins;
	171	if (index<0) continue;
	172	if (index>=nMaxBin) continue;
	173	AliBin *b=&bins[s][index];
	174	if (TMath::Abs(b->GetQ())>max){
	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	//
	180	if(digits) {
	181	if (TMath::Abs(di)<2&&TMath::Abs(dj)<2){
	182	AliITSdigitSDD* d=(AliITSdigitSDD*)digits->UncheckedAt(b->GetIndex());
	183	for (Int_t itrack=0;itrack<10;itrack++){
	184	Int_t track = (d->GetTracks())[itrack];
	185	if (track>=0) {
	186	AddLabel(milab, track);
	187	}
	188	}
	189	}
	190	}
	191	}
	192	}
	193
	194	/*
	195	Float_t s2 = c.GetSigmaY2()/c.GetQ() - c.GetY()*c.GetY();
	196	Float_t w=par->GetPadPitchWidth(sec);
	197	c.SetSigmaY2(s2);
	198	if (s2 != 0.) {
	199	c.SetSigmaY2(c.GetSigmaY2()*0.108);
	200	if (sec<par->GetNInnerSector()) c.SetSigmaY2(c.GetSigmaY2()*2.07);
	201	}
	202	s2 = c.GetSigmaZ2()/c.GetQ() - c.GetZ()*c.GetZ();
	203	w=par->GetZWidth();
	204	c.SetSigmaZ2(s2);
	205
	206	if (s2 != 0.) {
	207	c.SetSigmaZ2(c.GetSigmaZ2()*0.169);
	208	if (sec<par->GetNInnerSector()) c.SetSigmaZ2(c.GetSigmaZ2()*1.77);
	209	}
	210	*/
	211
04366a57	212	Float_t y=c.GetY(),z=c.GetZ(), q=c.GetQ();
	213	y/=q; z/=q;
	214	//
	215	//Float_t s2 = c.GetSigmaY2()/c.GetQ() - y*y;
	216	// c.SetSigmaY2(s2);
	217	//s2 = c.GetSigmaZ2()/c.GetQ() - z*z;
	218	//c.SetSigmaZ2(s2);
	219	//
404c1c29	220
	221	Float_t yyyy = y;
	222	//y=(y-0.5)*fYpitchSDD;
	223	//y-=fHwSDD;
	224	//y-=fYoffSDD; //delay ?
	225	//if (s) y=-y;
04366a57	226
	227	z=(z-0.5)*fZpitchSDD;
	228	z-=fHlSDD;
404c1c29	229	Float_t zdet = z;
	230	// y=-(-y+fYshift[fModule]);
	231	// z= -z+fZshift[fModule];
00a7cc50	232	// c.SetY(y);
00a7cc50	233	// c.SetZ(z);
9e4d7193	234	Float_t timebin = GetSeg()->Dpx(0);
9e4d7193	235	Float_t xdet = cal->GetDriftPath((yyyy-0.5)*timebin,0);
404c1c29	236	xdet=xdet/10000.-fHwSDD-fYoffSDD;
	237	if (s) xdet=-xdet;
	238
	239	CorrectPosition(zdet,xdet);
	240
b4704be3	241	{
	242	Double_t loc[3]={xdet,0.,zdet},trk[3]={0.,0.,0.};
	243	mT2L->MasterToLocal(loc,trk);
	244	y=trk[1];
	245	z=trk[2];
	246	}
3a4139a2	247	q/=5.243; //to have MPV 1 MIP = 86.4 KeV --> this must go to calibr.
ecb9da3c	248	Float_t hit[5] = {y, z, 0.00300.0030, 0.00200.0020, q};
ecb9da3c	249	Int_t info[3] = {maxj-minj+1, maxi-mini+1, fNlayer[fModule]};
04366a57	250
0599a018	251	if (c.GetQ() < 20.) continue; //noise cluster
04366a57	252
	253	if (digits) {
	254	// AliBin *b=&bins[s][idx[k]];
	255	// AliITSdigitSDD* d=(AliITSdigitSDD*)digits->UncheckedAt(b->GetIndex());
	256	{
	257	//Int_t lab[3];
	258	//lab[0]=(d->GetTracks())[0];
	259	//lab[1]=(d->GetTracks())[1];
	260	//lab[2]=(d->GetTracks())[2];
	261	//CheckLabels(lab);
	262	CheckLabels2(milab);
04366a57	263	}
04366a57	264	}
ecb9da3c	265	milab[3]=fNdet[fModule];
	266
	267	AliITSRecPoint cc(milab,hit,info);
	268	cc.SetType(npeaks);
	269
	270	if(clusters) new (cl[ncl]) AliITSRecPoint(cc);
04366a57	271	else {
ecb9da3c	272	fDetTypeRec->AddRecPoint(cc);
04366a57	273	}
	274	ncl++;
	275	}
	276	}
	277	}
	278
	279
	280
	281	void AliITSClusterFinderV2SDD::RawdataToClusters(AliRawReader* rawReader,TClonesArray** clusters){
	282	//------------------------------------------------------------
	283	// This function creates ITS clusters from raw data
	284	//------------------------------------------------------------
	285	rawReader->Reset();
0599a018	286	AliITSRawStreamSDD inputSDD(rawReader);
04366a57	287	FindClustersSDD(&inputSDD,clusters);
	288
	289	}
	290
	291	void AliITSClusterFinderV2SDD::FindClustersSDD(AliITSRawStream* input,
	292	TClonesArray** clusters)
	293	{
	294	//------------------------------------------------------------
	295	// Actual SDD cluster finder for raw data
	296	//------------------------------------------------------------
	297	Int_t nClustersSDD = 0;
	298	Int_t kNzBins = fNzSDD + 2;
	299	Int_t kMaxBin = kNzBins * (fNySDD+2);
d7d9347b	300	AliBin *binsSDDInit = new AliBin[kMaxBin];
	301	AliBin *binsSDD1 = new AliBin[kMaxBin];
	302	AliBin *binsSDD2 = new AliBin[kMaxBin];
04366a57	303	AliBin* bins[2] = {NULL, NULL};
	304
	305	// read raw data input stream
	306	while (kTRUE) {
	307	Bool_t next = input->Next();
	308	if (!next \|\| input->IsNewModule()) {
	309	Int_t iModule = input->GetPrevModuleID();
	310
	311	// when all data from a module was read, search for clusters
	312	if (bins[0]) {
00a7cc50	313	clusters[iModule] = new TClonesArray("AliITSRecPoint");
04366a57	314	fModule = iModule;
	315	FindClustersSDD(bins, kMaxBin, kNzBins, NULL, clusters[iModule]);
	316	Int_t nClusters = clusters[iModule]->GetEntriesFast();
	317	nClustersSDD += nClusters;
a97b3678	318	bins[0] = bins[1] = NULL;
04366a57	319	}
	320
	321	if (!next) break;
d7d9347b	322	bins[0]=binsSDD1;
	323	bins[1]=binsSDD2;
	324	memcpy(binsSDD1,binsSDDInit,sizeof(AliBin)*kMaxBin);
	325	memcpy(binsSDD2,binsSDDInit,sizeof(AliBin)*kMaxBin);
	326
04366a57	327	}
	328
	329	// fill the current digit into the bins array
a97b3678	330	AliITSCalibrationSDD* cal = (AliITSCalibrationSDD*)GetResp(input->GetModuleID());
	331	AliITSresponseSDD* res = (AliITSresponseSDD*)cal->GetResponse();
	332	const char *option=res->ZeroSuppOption();
	333	Int_t q=input->GetSignal();
	334	if(!((strstr(option,"1D")) \|\| (strstr(option,"2D")))){
	335	Float_t baseline = cal->GetBaseline(input->GetCoord1());
	336	if(q>baseline) q-=(Int_t)baseline;
	337	else q=0;
	338	}
	339	if(q>=cal->GetThresholdAnode(input->GetCoord1())) {
04366a57	340	Int_t iz = input->GetCoord1()+1;
a97b3678	341	//Int_t side = ((iz <= fNzSDD) ? 0 : 1);
	342	Int_t side = ((AliITSRawStreamSDD*)input)->GetChannel();
	343	// iz -= side*fNzSDD;
04366a57	344	Int_t index = (input->GetCoord2()+1) * kNzBins + iz;
a97b3678	345	bins[side][index].SetQ(q);
04366a57	346	bins[side][index].SetMask(1);
	347	bins[side][index].SetIndex(index);
	348	}
	349	}
d7d9347b	350	delete[] binsSDD1;
	351	delete[] binsSDD2;
	352	delete[] binsSDDInit;
04366a57	353
04366a57	354	Info("FindClustersSDD", "found clusters in ITS SDD: %d", nClustersSDD);
04366a57	355	}
	356
	357
5bfe44ce	358	//_________________________________________________________________________
	359	void AliITSClusterFinderV2SDD::CorrectPosition(Float_t &z, Float_t&y){
	360
	361	//correction of coordinates using the maps stored in the DB
	362
	363	AliITSCalibrationSDD* cal = (AliITSCalibrationSDD*)GetResp(fModule);
a97b3678	364	static const Int_t knbint = cal->GetMapTimeNBin();
a97b3678	365	static const Int_t knbina = cal->Chips()*cal->Channels();
5bfe44ce	366	Float_t stepa = (GetSeg()->Dpz(0))/10000.; //anode pitch in cm
5bfe44ce	367	Float_t stept = (GetSeg()->Dx()/cal->GetMapTimeNBin()/2.)/10.;
404c1c29	368
404c1c29	369	Int_t bint = TMath::Abs((Int_t)(y/stept));
a97b3678	370	if(y>=0) bint+=(Int_t)(knbint/2.);
a97b3678	371	if(bint>knbint) AliError("Wrong bin number!");
5bfe44ce	372
404c1c29	373	Int_t bina = TMath::Abs((Int_t)(z/stepa));
a97b3678	374	if(z>=0) bina+=(Int_t)(knbina/2.);
a97b3678	375	if(bina>knbina) AliError("Wrong bin number!");
5bfe44ce	376
	377	Float_t devz = cal->GetMapACell(bina,bint)/10000.;
	378	Float_t devx = cal->GetMapTCell(bina,bint)/10000.;
404c1c29	379	z+=devz;
404c1c29	380	y+=devx;
5bfe44ce	381
	382
	383	}