[u/mrichter/AliRoot.git] / ITS / UPGRADE / AliITSUClusterPix.cxx

#include "AliITSUClusterPix.h"
#include "AliITSUGeomTGeo.h"
#include "AliLog.h"
#include <TGeoMatrix.h>
#include <TString.h>

using namespace TMath;

ClassImp(AliITSUClusterPix)

AliITSUGeomTGeo* AliITSUClusterPix::fgGeom = 0;
UInt_t           AliITSUClusterPix::fgMode = 0;

//_____________________________________________________
AliITSUClusterPix::AliITSUClusterPix()
  : fCharge(0)
  , fNxNzN(0)
{
  // default constructor
}

//_____________________________________________________
AliITSUClusterPix::~AliITSUClusterPix()
{
  // default destructor
}

//_____________________________________________________
AliITSUClusterPix::AliITSUClusterPix(const AliITSUClusterPix& cluster) 
  :AliCluster(cluster)
  ,fCharge(cluster.fCharge)
  ,fNxNzN(cluster.fNxNzN)
{
  // copy constructor
}

//______________________________________________________________________________
AliITSUClusterPix& AliITSUClusterPix::operator=(const AliITSUClusterPix& cluster)
{
  // = op
  if(&cluster == this) return *this;
  fNxNzN = cluster.fNxNzN;
  fCharge = cluster.fCharge;
  TObject::operator=(cluster);
  AliCluster::operator=(cluster);
  return *this;
}

//______________________________________________________________________________
const TGeoHMatrix*  AliITSUClusterPix::GetTracking2LocalMatrix() const
{
  // get tracking to local matrix (sensor!!!)
  return (TGeoHMatrix*)fgGeom->GetMatrixT2L(GetVolumeId());
}

//______________________________________________________________________________
TGeoHMatrix* AliITSUClusterPix::GetMatrix(Bool_t ) const
{
  // get module matrix (sensor!)
  return (TGeoHMatrix*)fgGeom->GetMatrixSens(GetVolumeId());
}

//______________________________________________________________________________
void AliITSUClusterPix::Print(Option_t* option) const
{
  // Print cluster information.
  TString str = option; 
  str.ToLower();
  printf("Cl.in mod %5d, nx:%3d nz:%3d n:%d |Err^2:%.3e %.3e %+.3e |",GetVolumeId(),GetNx(),GetNz(),
	 GetNPix(),GetSigmaY2(),GetSigmaZ2(),GetSigmaYZ());
  printf("XYZ: (%+.4e %+.4e %+.4e ",GetX(),GetY(),GetZ());
  if      (IsFrameLoc()) printf("LOC)");
  else if (IsFrameGlo()) printf("GLO)");
  else if (IsFrameTrk()) printf("TRK)");
  if (str.Contains("glo") && !IsFrameGlo() && fgGeom) {
    Float_t g[3];
    GetGlobalXYZ(g);
    printf(" (%+.4e %+.4e %+.4e GLO)",g[0],g[1],g[2]);
  }
  printf(" MClb:");
  for (int i=0;i<3;i++) printf(" %5d",GetLabel(i));
  if (TestBit(kSplit)) printf(" Spl");
  printf("\n");
  //
}

//______________________________________________________________________________
Bool_t AliITSUClusterPix::GetGlobalXYZ(Float_t xyz[3]) const
{
  // Get the global coordinates of the cluster
  // All the needed information is taken only
  // from TGeo.
  if (IsFrameGlo()) {
    xyz[0] = GetX();
    xyz[1] = GetY();
    xyz[2] = GetZ();
  }
  //
  Double_t lxyz[3] = {0, 0, 0};
  if (IsFrameTrk()) {
    const TGeoHMatrix *mt = GetTracking2LocalMatrix();
    if (!mt) return kFALSE;
    Double_t txyz[3] = {GetX(), GetY(), GetZ()};
    mt->LocalToMaster(txyz,lxyz);
  }
  else {
    lxyz[0] = GetX(); lxyz[1] = GetY(); lxyz[2] = GetZ();
  }
  //
  TGeoHMatrix *ml = GetMatrix();
  if (!ml) return kFALSE;
  Double_t gxyz[3] = {0, 0, 0};
  ml->LocalToMaster(lxyz,gxyz);
  xyz[0] = gxyz[0]; xyz[1] = gxyz[1]; xyz[2] = gxyz[2];
  return kTRUE;
}

//______________________________________________________________________________
Bool_t AliITSUClusterPix::GetGlobalCov(Float_t cov[6]) const
{
  // Get the global covariance matrix of the cluster coordinates
  // All the needed information is taken only
  // from TGeo.
  // Note: regardless on in which frame the coordinates are, the errors are always in tracking frame
  //
  return AliCluster::GetGlobalCov(cov);
}

//______________________________________________________________________________
Bool_t AliITSUClusterPix::GetXRefPlane(Float_t &xref) const
{
  // Get the distance between the origin and the ref.plane.
  // All the needed information is taken only from TGeo.
  return AliCluster::GetXRefPlane(xref);
}

//______________________________________________________________________________
void AliITSUClusterPix::GoToFrameGlo()
{
  // convert to global frame
  if (IsFrameGlo()) return;
  double loc[3],glo[3];
  //
  if (IsFrameTrk()) {
    double curr[3]={GetX(),GetY(),GetZ()};
    GetTracking2LocalMatrix()->LocalToMaster(curr,loc);
    ResetBit(kFrameTrk);
  }
  else {
    loc[0] = GetX(); loc[1] = GetY(); loc[2] = GetZ();
    ResetBit(kFrameLoc);
  }
  GetMatrix()->LocalToMaster(loc,glo);
  SetX(glo[0]);  
  SetY(glo[1]); 
  SetZ(glo[2]);
  SetBit(kFrameGlo);
  //
}

//______________________________________________________________________________
void AliITSUClusterPix::GoToFrameLoc()
{
  // convert to local frame
  if (IsFrameLoc()) return;
  //
  double loc[3],glo[3];
  if (IsFrameTrk()) {
    double curr[3]={GetX(),GetY(),GetZ()};
    GetTracking2LocalMatrix()->LocalToMaster(curr,loc);
    ResetBit(kFrameTrk);
  }
  else {
    glo[0] = GetX(); glo[1] = GetY(); glo[2] = GetZ();
    GetMatrix()->MasterToLocal(glo,loc);
    ResetBit(kFrameLoc);
  }
  SetBit(kFrameLoc);
  SetX(loc[0]); 
  SetY(loc[1]); 
  SetZ(loc[2]);
  //
}

//______________________________________________________________________________
void AliITSUClusterPix::GetLocalXYZ(Float_t xyz[3]) const
{
  // get local coordinates
  if (IsFrameLoc()) {
    xyz[0] = GetX(); xyz[1] = 0; xyz[2] = GetZ();
    return;
  }
  double loc[3],glo[3];
  if (IsFrameTrk()) {
    double curr[3]={GetX(),GetY(),GetZ()};
    GetTracking2LocalMatrix()->LocalToMaster(curr,loc);
  }
  else {
    glo[0] = GetX(); glo[1] = GetY(); glo[2] = GetZ();
    GetMatrix()->MasterToLocal(glo,loc);
  }
  for (int i=3;i--;) xyz[i] = loc[i];
  //
}

//______________________________________________________________________________
void AliITSUClusterPix::GoToFrameTrk()
{
  // convert to tracking frame
  if (IsFrameTrk()) return;
  //
  double loc[3],trk[3];
  if (IsFrameGlo()) {
    double glo[3]={GetX(),GetY(),GetZ()};
    GetMatrix()->MasterToLocal(glo,loc);
    ResetBit(kFrameGlo);
  }
  else {
    loc[0] = GetX(); loc[1] = GetY(); loc[2] = GetZ();
    ResetBit(kFrameLoc);    
  }
  // now in local frame
  GetTracking2LocalMatrix()->MasterToLocal(loc,trk);
  SetBit(kFrameTrk);
  SetX(trk[0]);  
  SetY(trk[1]); 
  SetZ(trk[2]);
  //
}

//______________________________________________________________________________
void AliITSUClusterPix::GetTrackingXYZ(Float_t xyz[3]) const
{
  // convert to tracking frame
  if (IsFrameTrk()) {
    xyz[0] = GetX(); xyz[1] = GetY(); xyz[2] = GetZ();
    return;
  }
  //
  double loc[3],trk[3];
  if (IsFrameGlo()) {
    double glo[3]={GetX(),GetY(),GetZ()};
    GetMatrix()->MasterToLocal(glo,loc);
  }
  else {
    loc[0] = GetX(); loc[1] = GetY(); loc[2] = GetZ();
  }
  // now in local frame
  GetTracking2LocalMatrix()->MasterToLocal(loc,trk);
  for (int i=3;i--;) xyz[i] = loc[i];
  //
}

//______________________________________________________________________________
Int_t AliITSUClusterPix::Compare(const TObject* obj)  const
{
  // compare clusters accodring to specific mode
  const AliITSUClusterPix* px = (const AliITSUClusterPix*)obj;
  float xyz[3],xyz1[3];
  if (fgMode & kSortIdLocXZ) { // sorting in local frame
    if (GetVolumeId()==px->GetVolumeId()) {
      GetLocalXYZ(xyz);
      px->GetLocalXYZ(xyz1);
      if (xyz[0]<xyz1[0]) return -1; // sort in X
      if (xyz[0]>xyz1[0]) return  1;
      if (xyz[2]<xyz1[2]) return -1; // then in Z
      if (xyz[2]>xyz1[2]) return  1;
      return 0;
    }
    return int(GetVolumeId())-int(px->GetVolumeId());
  }
  if (fgMode & kSortIdTrkYZ) { // sorting in tracking frame
    if (GetVolumeId()==px->GetVolumeId()) {
      GetTrackingXYZ(xyz);
      px->GetTrackingXYZ(xyz1);
      if (xyz[1]<xyz1[1]) return -1; // sort in Y
      if (xyz[1]>xyz1[1]) return  1;
      if (xyz[2]<xyz1[2]) return -1; // then in Z
      if (xyz[2]>xyz1[2]) return  1;
      return 0;    
    }
    return int(GetVolumeId())-int(px->GetVolumeId());    
  }
  AliFatal(Form("Unknown modr for sorting: %d",fgMode));
  return 0;
}

//______________________________________________________________________________
Bool_t AliITSUClusterPix::IsEqual(const TObject* obj)  const
{
  // compare clusters accodring to specific mode
  const AliITSUClusterPix* px = (const AliITSUClusterPix*)obj;
  const Float_t kTol = 1e-5;
  float xyz[3],xyz1[3];
  if (fgMode & kSortIdLocXZ) { // sorting in local frame
    if (GetVolumeId()!=px->GetVolumeId()) return kFALSE;
    GetLocalXYZ(xyz);
    px->GetLocalXYZ(xyz1);
    return (Abs(xyz[0]-xyz1[0])<kTol && Abs(xyz[2]-xyz1[2])<kTol) ? kTRUE : kFALSE;
  }
  if (fgMode & kSortIdTrkYZ) { // sorting in tracking frame
    if (GetVolumeId()!=px->GetVolumeId()) return kFALSE;
    GetTrackingXYZ(xyz);
    px->GetTrackingXYZ(xyz1);
    return (Abs(xyz[1]-xyz1[1])<kTol && Abs(xyz[2]-xyz1[2])<kTol) ? kTRUE : kFALSE;
  }
  AliFatal(Form("Unknown modr for sorting: %d",fgMode));
  return kFALSE;
}

//______________________________________________________________________________
Bool_t AliITSUClusterPix::HasCommonTrack(const AliCluster* cl) const
{
  // check if clusters have common tracks
  int lbi,lbj;
  for (int i=0;i<3;i++) {
    if ((lbi=GetLabel(i))<0) break;
    for (int j=0;j<3;j++) {
      if ((lbj=cl->GetLabel(j))<0) break;
      if (lbi==lbj) return kTRUE;
    }
  }
  return kFALSE;
}
Commit	Line	Data
5e375bb4	1	#include "AliITSUClusterPix.h"
	2	#include "AliITSUGeomTGeo.h"
	3	#include "AliLog.h"
	4	#include <TGeoMatrix.h>
3dd9c283	5	#include <TString.h>
3dd9c283	6
5e375bb4	7	using namespace TMath;
	8
	9	ClassImp(AliITSUClusterPix)
	10
	11	AliITSUGeomTGeo* AliITSUClusterPix::fgGeom = 0;
	12	UInt_t AliITSUClusterPix::fgMode = 0;
	13
	14	//_____________________________________________________
	15	AliITSUClusterPix::AliITSUClusterPix()
29ad4146	16	: fCharge(0)
29ad4146	17	, fNxNzN(0)
5e375bb4	18	{
	19	// default constructor
	20	}
	21
	22	//_____________________________________________________
	23	AliITSUClusterPix::~AliITSUClusterPix()
	24	{
	25	// default destructor
	26	}
	27
	28	//_____________________________________________________
	29	AliITSUClusterPix::AliITSUClusterPix(const AliITSUClusterPix& cluster)
	30	:AliCluster(cluster)
29ad4146	31	,fCharge(cluster.fCharge)
29ad4146	32	,fNxNzN(cluster.fNxNzN)
5e375bb4	33	{
	34	// copy constructor
	35	}
	36
	37	//______________________________________________________________________________
	38	AliITSUClusterPix& AliITSUClusterPix::operator=(const AliITSUClusterPix& cluster)
	39	{
	40	// = op
	41	if(&cluster == this) return *this;
29ad4146	42	fNxNzN = cluster.fNxNzN;
29ad4146	43	fCharge = cluster.fCharge;
5e375bb4	44	TObject::operator=(cluster);
	45	AliCluster::operator=(cluster);
	46	return *this;
	47	}
	48
	49	//______________________________________________________________________________
	50	const TGeoHMatrix* AliITSUClusterPix::GetTracking2LocalMatrix() const
	51	{
	52	// get tracking to local matrix (sensor!!!)
	53	return (TGeoHMatrix*)fgGeom->GetMatrixT2L(GetVolumeId());
	54	}
	55
	56	//______________________________________________________________________________
	57	TGeoHMatrix* AliITSUClusterPix::GetMatrix(Bool_t ) const
	58	{
	59	// get module matrix (sensor!)
	60	return (TGeoHMatrix*)fgGeom->GetMatrixSens(GetVolumeId());
	61	}
	62
	63	//______________________________________________________________________________
3dd9c283	64	void AliITSUClusterPix::Print(Option_t* option) const
5e375bb4	65	{
5e375bb4	66	// Print cluster information.
3dd9c283	67	TString str = option;
3dd9c283	68	str.ToLower();
29ad4146	69	printf("Cl.in mod %5d, nx:%3d nz:%3d n:%d \|Err^2:%.3e %.3e %+.3e \|",GetVolumeId(),GetNx(),GetNz(),
29ad4146	70	GetNPix(),GetSigmaY2(),GetSigmaZ2(),GetSigmaYZ());
0e84ce67	71	printf("XYZ: (%+.4e %+.4e %+.4e ",GetX(),GetY(),GetZ());
	72	if (IsFrameLoc()) printf("LOC)");
	73	else if (IsFrameGlo()) printf("GLO)");
	74	else if (IsFrameTrk()) printf("TRK)");
3dd9c283	75	if (str.Contains("glo") && !IsFrameGlo() && fgGeom) {
5e375bb4	76	Float_t g[3];
5e375bb4	77	GetGlobalXYZ(g);
0e84ce67	78	printf(" (%+.4e %+.4e %+.4e GLO)",g[0],g[1],g[2]);
5e375bb4	79	}
0e84ce67	80	printf(" MClb:");
0e84ce67	81	for (int i=0;i<3;i++) printf(" %5d",GetLabel(i));
53870004	82	if (TestBit(kSplit)) printf(" Spl");
5e375bb4	83	printf("\n");
	84	//
	85	}
	86
	87	//______________________________________________________________________________
	88	Bool_t AliITSUClusterPix::GetGlobalXYZ(Float_t xyz[3]) const
	89	{
	90	// Get the global coordinates of the cluster
	91	// All the needed information is taken only
	92	// from TGeo.
	93	if (IsFrameGlo()) {
	94	xyz[0] = GetX();
	95	xyz[1] = GetY();
	96	xyz[2] = GetZ();
	97	}
	98	//
	99	Double_t lxyz[3] = {0, 0, 0};
	100	if (IsFrameTrk()) {
	101	const TGeoHMatrix *mt = GetTracking2LocalMatrix();
	102	if (!mt) return kFALSE;
	103	Double_t txyz[3] = {GetX(), GetY(), GetZ()};
	104	mt->LocalToMaster(txyz,lxyz);
	105	}
	106	else {
	107	lxyz[0] = GetX(); lxyz[1] = GetY(); lxyz[2] = GetZ();
	108	}
	109	//
	110	TGeoHMatrix *ml = GetMatrix();
	111	if (!ml) return kFALSE;
	112	Double_t gxyz[3] = {0, 0, 0};
	113	ml->LocalToMaster(lxyz,gxyz);
	114	xyz[0] = gxyz[0]; xyz[1] = gxyz[1]; xyz[2] = gxyz[2];
	115	return kTRUE;
	116	}
	117
	118	//______________________________________________________________________________
	119	Bool_t AliITSUClusterPix::GetGlobalCov(Float_t cov[6]) const
	120	{
	121	// Get the global covariance matrix of the cluster coordinates
	122	// All the needed information is taken only
	123	// from TGeo.
	124	// Note: regardless on in which frame the coordinates are, the errors are always in tracking frame
	125	//
	126	return AliCluster::GetGlobalCov(cov);
	127	}
	128
	129	//______________________________________________________________________________
	130	Bool_t AliITSUClusterPix::GetXRefPlane(Float_t &xref) const
	131	{
	132	// Get the distance between the origin and the ref.plane.
	133	// All the needed information is taken only from TGeo.
	134	return AliCluster::GetXRefPlane(xref);
	135	}
	136
	137	//______________________________________________________________________________
	138	void AliITSUClusterPix::GoToFrameGlo()
	139	{
	140	// convert to global frame
	141	if (IsFrameGlo()) return;
	142	double loc[3],glo[3];
	143	//
	144	if (IsFrameTrk()) {
	145	double curr[3]={GetX(),GetY(),GetZ()};
	146	GetTracking2LocalMatrix()->LocalToMaster(curr,loc);
147	ResetBit(kFrameTrk);
148	}
149	else {
150	loc[0] = GetX(); loc[1] = GetY(); loc[2] = GetZ();
151	ResetBit(kFrameLoc);
152	}
153	GetMatrix()->LocalToMaster(loc,glo);
154	SetX(glo[0]);
155	SetY(glo[1]);
156	SetZ(glo[2]);
157	SetBit(kFrameGlo);
158	//
159	}
160
161	//______________________________________________________________________________
162	void AliITSUClusterPix::GoToFrameLoc()
163	{
164	// convert to local frame
165	if (IsFrameLoc()) return;
166	//
167	double loc[3],glo[3];
168	if (IsFrameTrk()) {
169	double curr[3]={GetX(),GetY(),GetZ()};
170	GetTracking2LocalMatrix()->LocalToMaster(curr,loc);
171	ResetBit(kFrameTrk);
172	}
173	else {
174	glo[0] = GetX(); glo[1] = GetY(); glo[2] = GetZ();
175	GetMatrix()->MasterToLocal(glo,loc);
176	ResetBit(kFrameLoc);
177	}
178	SetBit(kFrameLoc);
179	SetX(loc[0]);
180	SetY(loc[1]);
181	SetZ(loc[2]);
182	//
183	}
184
185	//______________________________________________________________________________
186	void AliITSUClusterPix::GetLocalXYZ(Float_t xyz[3]) const
187	{
188	// get local coordinates
189	if (IsFrameLoc()) {
190	xyz[0] = GetX(); xyz[1] = 0; xyz[2] = GetZ();
191	return;
192	}
193	double loc[3],glo[3];
194	if (IsFrameTrk()) {
195	double curr[3]={GetX(),GetY(),GetZ()};
196	GetTracking2LocalMatrix()->LocalToMaster(curr,loc);
197	}
198	else {
199	glo[0] = GetX(); glo[1] = GetY(); glo[2] = GetZ();
200	GetMatrix()->MasterToLocal(glo,loc);
201	}
202	for (int i=3;i--;) xyz[i] = loc[i];
203	//
204	}
205
206	//______________________________________________________________________________
207	void AliITSUClusterPix::GoToFrameTrk()
208	{
209	// convert to tracking frame
210	if (IsFrameTrk()) return;
211	//
212	double loc[3],trk[3];
213	if (IsFrameGlo()) {
214	double glo[3]={GetX(),GetY(),GetZ()};
215	GetMatrix()->MasterToLocal(glo,loc);
216	ResetBit(kFrameGlo);
217	}
218	else {
219	loc[0] = GetX(); loc[1] = GetY(); loc[2] = GetZ();
220	ResetBit(kFrameLoc);
221	}
222	// now in local frame
223	GetTracking2LocalMatrix()->MasterToLocal(loc,trk);
224	SetBit(kFrameTrk);
225	SetX(trk[0]);
226	SetY(trk[1]);
227	SetZ(trk[2]);
228	//
229	}
230
231	//______________________________________________________________________________
232	void AliITSUClusterPix::GetTrackingXYZ(Float_t xyz[3]) const
233	{
234	// convert to tracking frame
235	if (IsFrameTrk()) {
236	xyz[0] = GetX(); xyz[1] = GetY(); xyz[2] = GetZ();
237	return;
238	}
239	//
240	double loc[3],trk[3];
241	if (IsFrameGlo()) {
242	double glo[3]={GetX(),GetY(),GetZ()};
243	GetMatrix()->MasterToLocal(glo,loc);
244	}
245	else {
246	loc[0] = GetX(); loc[1] = GetY(); loc[2] = GetZ();
247	}
248	// now in local frame
249	GetTracking2LocalMatrix()->MasterToLocal(loc,trk);
250	for (int i=3;i--;) xyz[i] = loc[i];
251	//
252	}
253
254	//______________________________________________________________________________
255	Int_t AliITSUClusterPix::Compare(const TObject* obj) const
256	{
257	// compare clusters accodring to specific mode
44785f3e	258	const AliITSUClusterPix* px = (const AliITSUClusterPix*)obj;
5e375bb4	259	float xyz[3],xyz1[3];
1f9b6041	260	if (fgMode & kSortIdLocXZ) { // sorting in local frame
	261	if (GetVolumeId()==px->GetVolumeId()) {
	262	GetLocalXYZ(xyz);
	263	px->GetLocalXYZ(xyz1);
	264	if (xyz[0]<xyz1[0]) return -1; // sort in X
	265	if (xyz[0]>xyz1[0]) return 1;
	266	if (xyz[2]<xyz1[2]) return -1; // then in Z
	267	if (xyz[2]>xyz1[2]) return 1;
	268	return 0;
	269	}
	270	return int(GetVolumeId())-int(px->GetVolumeId());
5e375bb4	271	}
1f9b6041	272	if (fgMode & kSortIdTrkYZ) { // sorting in tracking frame
	273	if (GetVolumeId()==px->GetVolumeId()) {
	274	GetTrackingXYZ(xyz);
	275	px->GetTrackingXYZ(xyz1);
	276	if (xyz[1]<xyz1[1]) return -1; // sort in Y
	277	if (xyz[1]>xyz1[1]) return 1;
	278	if (xyz[2]<xyz1[2]) return -1; // then in Z
	279	if (xyz[2]>xyz1[2]) return 1;
	280	return 0;
	281	}
	282	return int(GetVolumeId())-int(px->GetVolumeId());
5e375bb4	283	}
	284	AliFatal(Form("Unknown modr for sorting: %d",fgMode));
	285	return 0;
	286	}
	287
	288	//______________________________________________________________________________
	289	Bool_t AliITSUClusterPix::IsEqual(const TObject* obj) const
	290	{
	291	// compare clusters accodring to specific mode
44785f3e	292	const AliITSUClusterPix* px = (const AliITSUClusterPix*)obj;
5e375bb4	293	const Float_t kTol = 1e-5;
5e375bb4	294	float xyz[3],xyz1[3];
1f9b6041	295	if (fgMode & kSortIdLocXZ) { // sorting in local frame
1f9b6041	296	if (GetVolumeId()!=px->GetVolumeId()) return kFALSE;
5e375bb4	297	GetLocalXYZ(xyz);
5e375bb4	298	px->GetLocalXYZ(xyz1);
1f9b6041	299	return (Abs(xyz[0]-xyz1[0])<kTol && Abs(xyz[2]-xyz1[2])<kTol) ? kTRUE : kFALSE;
5e375bb4	300	}
1f9b6041	301	if (fgMode & kSortIdTrkYZ) { // sorting in tracking frame
1f9b6041	302	if (GetVolumeId()!=px->GetVolumeId()) return kFALSE;
5e375bb4	303	GetTrackingXYZ(xyz);
5e375bb4	304	px->GetTrackingXYZ(xyz1);
1f9b6041	305	return (Abs(xyz[1]-xyz1[1])<kTol && Abs(xyz[2]-xyz1[2])<kTol) ? kTRUE : kFALSE;
5e375bb4	306	}
	307	AliFatal(Form("Unknown modr for sorting: %d",fgMode));
	308	return kFALSE;
	309	}
53870004	310
	311	//______________________________________________________________________________
	312	Bool_t AliITSUClusterPix::HasCommonTrack(const AliCluster* cl) const
	313	{
	314	// check if clusters have common tracks
	315	int lbi,lbj;
	316	for (int i=0;i<3;i++) {
	317	if ((lbi=GetLabel(i))<0) break;
	318	for (int j=0;j<3;j++) {
	319	if ((lbj=cl->GetLabel(j))<0) break;
	320	if (lbi==lbj) return kTRUE;
	321	}
	322	}
	323	return kFALSE;
	324	}