1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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 **************************************************************************/
18 ///////////////////////////////////////////////////
20 // Reconstructed track
26 ///////////////////////////////////////////////////
28 #include "AliMUONTrack.h"
30 #include "AliMUONTrackParam.h"
31 #include "AliMUONHitForRec.h"
32 #include "AliMUONConstants.h"
33 #include "AliMUONTrackExtrap.h"
38 #include <Riostream.h>
42 ClassImp(AliMUONTrack) // Class implementation in ROOT context
45 const Double_t AliMUONTrack::fgkMaxTrackingDistanceBending = 2.;
46 const Double_t AliMUONTrack::fgkMaxTrackingDistanceNonBending = 2.;
48 //__________________________________________________________________________
49 AliMUONTrack::AliMUONTrack()
51 fTrackParamAtVertex(),
52 fTrackParamAtHit(0x0),
56 fFitWithVertex(kFALSE),
59 fMatchTrigger(kFALSE),
61 fChi2MatchTrigger(0.),
64 /// Default constructor
67 //__________________________________________________________________________
68 AliMUONTrack::AliMUONTrack(AliMUONHitForRec* hitForRec1, AliMUONHitForRec* hitForRec2)
70 fTrackParamAtVertex(),
71 fTrackParamAtHit(0x0),
75 fFitWithVertex(kFALSE),
78 fMatchTrigger(kFALSE),
80 fChi2MatchTrigger(0.),
83 /// Constructor from thw hitForRec's
85 fTrackParamAtHit = new TClonesArray("AliMUONTrackParam",10);
86 fHitForRecAtHit = new TClonesArray("AliMUONHitForRec",10);
88 if (!hitForRec1) return; //AZ
90 // Add hits to the track
91 AddTrackParamAtHit(0,hitForRec1);
92 AddTrackParamAtHit(0,hitForRec2);
94 // sort TrackParamAtHit according to increasing -Z
95 fTrackParamAtHit->Sort();
97 // Set track parameters at first track hit
98 AliMUONTrackParam* trackParamAtFirstHit = (AliMUONTrackParam*) fTrackParamAtHit->First();
99 AliMUONHitForRec* firstHit = trackParamAtFirstHit->GetHitForRecPtr();
100 AliMUONHitForRec* lastHit = ((AliMUONTrackParam*) fTrackParamAtHit->Last())->GetHitForRecPtr();
101 Double_t dZ = firstHit->GetZ() - lastHit->GetZ();
103 Double_t nonBendingCoor = firstHit->GetNonBendingCoor();
104 trackParamAtFirstHit->SetNonBendingCoor(nonBendingCoor);
105 trackParamAtFirstHit->SetNonBendingSlope((nonBendingCoor - lastHit->GetNonBendingCoor()) / dZ);
107 Double_t bendingCoor = firstHit->GetBendingCoor();
108 trackParamAtFirstHit->SetBendingCoor(bendingCoor);
109 Double_t bendingSlope = (bendingCoor - lastHit->GetBendingCoor()) / dZ;
110 trackParamAtFirstHit->SetBendingSlope(bendingSlope);
111 // Inverse bending momentum
112 Double_t bendingImpact = bendingCoor - firstHit->GetZ() * bendingSlope;
113 Double_t inverseBendingMomentum = 1. / AliMUONTrackExtrap::GetBendingMomentumFromImpactParam(bendingImpact);
114 trackParamAtFirstHit->SetInverseBendingMomentum(inverseBendingMomentum);
116 // Evaluate covariances
117 TMatrixD *paramCov = trackParamAtFirstHit->GetCovariances();
120 (*paramCov)(0,0) = firstHit->GetNonBendingReso2();
121 (*paramCov)(0,1) = firstHit->GetNonBendingReso2() / dZ;
122 (*paramCov)(1,0) = (*paramCov)(0,1);
123 (*paramCov)(1,1) = ( firstHit->GetNonBendingReso2() + lastHit->GetNonBendingReso2() ) / dZ / dZ;
125 (*paramCov)(2,2) = firstHit->GetBendingReso2();
126 (*paramCov)(2,3) = firstHit->GetBendingReso2() / dZ;
127 (*paramCov)(3,2) = (*paramCov)(2,3);
128 (*paramCov)(3,3) = ( firstHit->GetBendingReso2() + lastHit->GetBendingReso2() ) / dZ / dZ;
129 // Inverse bending momentum (50% error)
130 (*paramCov)(4,4) = 0.5*inverseBendingMomentum * 0.5*inverseBendingMomentum;
134 //__________________________________________________________________________
135 AliMUONTrack::~AliMUONTrack()
138 if (fTrackParamAtHit) {
139 // delete the TClonesArray of pointers to TrackParam
140 delete fTrackParamAtHit;
141 fTrackParamAtHit = 0x0;
144 if (fHitForRecAtHit) {
145 // delete the TClonesArray of pointers to HitForRec
146 delete fHitForRecAtHit;
147 fHitForRecAtHit = 0x0;
151 // delete the vertex used during the tracking procedure
157 //__________________________________________________________________________
158 AliMUONTrack::AliMUONTrack (const AliMUONTrack& theMUONTrack)
159 : TObject(theMUONTrack),
160 fTrackParamAtVertex(theMUONTrack.fTrackParamAtVertex),
161 fTrackParamAtHit(0x0),
162 fHitForRecAtHit(0x0),
163 fNTrackHits(theMUONTrack.fNTrackHits),
164 fExtrapTrackParam(theMUONTrack.fExtrapTrackParam),
165 fFitWithVertex(theMUONTrack.fFitWithVertex),
167 fFitFMin(theMUONTrack.fFitFMin),
168 fMatchTrigger(theMUONTrack.fMatchTrigger),
169 floTrgNum(theMUONTrack.floTrgNum),
170 fChi2MatchTrigger(theMUONTrack.fChi2MatchTrigger),
171 fTrackID(theMUONTrack.fTrackID)
176 // necessary to make a copy of the objects and not only the pointers in TClonesArray.
177 if (theMUONTrack.fTrackParamAtHit) {
178 maxIndex = (theMUONTrack.fTrackParamAtHit)->GetEntriesFast();
179 fTrackParamAtHit = new TClonesArray("AliMUONTrackParam",maxIndex);
180 for (Int_t index = 0; index < maxIndex; index++) {
181 new ((*fTrackParamAtHit)[index]) AliMUONTrackParam(*(AliMUONTrackParam*)theMUONTrack.fTrackParamAtHit->At(index));
185 // necessary to make a copy of the objects and not only the pointers in TClonesArray.
186 if (theMUONTrack.fHitForRecAtHit) {
187 maxIndex = (theMUONTrack.fHitForRecAtHit)->GetEntriesFast();
188 fHitForRecAtHit = new TClonesArray("AliMUONHitForRec",maxIndex);
189 for (Int_t index = 0; index < maxIndex; index++) {
190 new ((*fHitForRecAtHit)[index]) AliMUONHitForRec(*(AliMUONHitForRec*)theMUONTrack.fHitForRecAtHit->At(index));
194 // copy vertex used during the tracking procedure if any
195 if (theMUONTrack.fVertex) fVertex = new AliMUONHitForRec(*(theMUONTrack.fVertex));
199 //__________________________________________________________________________
200 AliMUONTrack & AliMUONTrack::operator=(const AliMUONTrack& theMUONTrack)
202 /// Asignment operator
203 // check assignement to self
204 if (this == &theMUONTrack)
207 // base class assignement
208 TObject::operator=(theMUONTrack);
210 fTrackParamAtVertex = theMUONTrack.fTrackParamAtVertex;
214 // necessary to make a copy of the objects and not only the pointers in TClonesArray.
215 if (theMUONTrack.fTrackParamAtHit) {
216 if (fTrackParamAtHit) fTrackParamAtHit->Clear();
217 else fTrackParamAtHit = new TClonesArray("AliMUONTrackParam",10);
218 maxIndex = (theMUONTrack.fTrackParamAtHit)->GetEntriesFast();
219 for (Int_t index = 0; index < maxIndex; index++) {
220 new ((*fTrackParamAtHit)[fTrackParamAtHit->GetEntriesFast()])
221 AliMUONTrackParam(*(AliMUONTrackParam*)(theMUONTrack.fTrackParamAtHit)->At(index));
223 } else if (fTrackParamAtHit) {
224 delete fTrackParamAtHit;
225 fTrackParamAtHit = 0x0;
228 // necessary to make a copy of the objects and not only the pointers in TClonesArray.
229 if (theMUONTrack.fHitForRecAtHit) {
230 if (fHitForRecAtHit) fHitForRecAtHit->Clear();
231 else fHitForRecAtHit = new TClonesArray("AliMUONHitForRec",10);
232 maxIndex = (theMUONTrack.fHitForRecAtHit)->GetEntriesFast();
233 for (Int_t index = 0; index < maxIndex; index++) {
234 new ((*fHitForRecAtHit)[fHitForRecAtHit->GetEntriesFast()])
235 AliMUONHitForRec(*(AliMUONHitForRec*)(theMUONTrack.fHitForRecAtHit)->At(index));
237 } else if (fHitForRecAtHit) {
238 delete fHitForRecAtHit;
239 fHitForRecAtHit = 0x0;
242 // copy vertex used during the tracking procedure if any.
243 if (theMUONTrack.fVertex) {
244 if (fVertex) *fVertex = *(theMUONTrack.fVertex);
245 else fVertex = new AliMUONHitForRec(*(theMUONTrack.fVertex));
246 } else if (fVertex) {
251 fExtrapTrackParam = theMUONTrack.fExtrapTrackParam;
253 fNTrackHits = theMUONTrack.fNTrackHits;
254 fFitWithVertex = theMUONTrack.fFitWithVertex;
255 fFitFMin = theMUONTrack.fFitFMin;
256 fMatchTrigger = theMUONTrack.fMatchTrigger;
257 floTrgNum = theMUONTrack.floTrgNum;
258 fChi2MatchTrigger = theMUONTrack.fChi2MatchTrigger;
259 fTrackID = theMUONTrack.fTrackID;
264 //__________________________________________________________________________
265 void AliMUONTrack::AddTrackParamAtHit(AliMUONTrackParam *trackParam, AliMUONHitForRec *hitForRec)
267 /// Add TrackParamAtHit if "trackParam" != NULL
268 /// else create empty TrackParamAtHit and set the z position to the one of "hitForRec" if any
269 /// Update link to HitForRec if "hitForRec" != NULL
270 if (!fTrackParamAtHit) {
271 fTrackParamAtHit = new TClonesArray("AliMUONTrackParam",10);
274 AliMUONTrackParam* trackParamAtHit;
276 trackParamAtHit = new ((*fTrackParamAtHit)[fNTrackHits]) AliMUONTrackParam(*trackParam);
278 if (hitForRec->GetZ() != trackParam->GetZ())
279 AliWarning("Added track parameters at a different z position than the one of the attached hit");
282 trackParamAtHit = new ((*fTrackParamAtHit)[fNTrackHits]) AliMUONTrackParam();
283 if (hitForRec) ((AliMUONTrackParam*) fTrackParamAtHit->UncheckedAt(fNTrackHits))->SetZ(hitForRec->GetZ());
285 if (hitForRec) trackParamAtHit->SetHitForRecPtr(hitForRec);
289 //__________________________________________________________________________
290 void AliMUONTrack::AddHitForRecAtHit(const AliMUONHitForRec *hitForRec)
292 /// Add hitForRec to the array of hitForRec at hit
293 if (!fHitForRecAtHit)
294 fHitForRecAtHit = new TClonesArray("AliMUONHitForRec",10);
297 AliFatal("AliMUONTrack::AddHitForRecAtHit: hitForRec == NULL");
299 new ((*fHitForRecAtHit)[fHitForRecAtHit->GetEntriesFast()]) AliMUONHitForRec(*hitForRec);
302 //__________________________________________________________________________
303 void AliMUONTrack::SetVertex(AliMUONHitForRec* vertex)
305 /// Set the vertex used during the tracking procedure
306 if (!fVertex) fVertex = new AliMUONHitForRec(*vertex);
307 else *fVertex = *vertex;
310 //__________________________________________________________________________
311 Int_t AliMUONTrack::HitsInCommon(AliMUONTrack* track) const
313 /// Returns the number of hits in common between the current track ("this")
314 /// and the track pointed to by "track".
315 Int_t hitsInCommon = 0;
316 AliMUONTrackParam *trackParamAtHit1, *trackParamAtHit2;
317 // Loop over hits of first track
318 trackParamAtHit1 = (AliMUONTrackParam*) this->fTrackParamAtHit->First();
319 while (trackParamAtHit1) {
320 // Loop over hits of second track
321 trackParamAtHit2 = (AliMUONTrackParam*) track->fTrackParamAtHit->First();
322 while (trackParamAtHit2) {
323 // Increment "hitsInCommon" if both TrackParamAtHits point to the same HitForRec
324 if ((trackParamAtHit1->GetHitForRecPtr()) == (trackParamAtHit2->GetHitForRecPtr())) {
328 trackParamAtHit2 = (AliMUONTrackParam*) track->fTrackParamAtHit->After(trackParamAtHit2);
329 } // trackParamAtHit2
330 trackParamAtHit1 = (AliMUONTrackParam*) this->fTrackParamAtHit->After(trackParamAtHit1);
331 } // trackParamAtHit1
335 //__________________________________________________________________________
336 Bool_t* AliMUONTrack::CompatibleTrack(AliMUONTrack * track, Double_t sigma2Cut) const
338 /// Return kTRUE/kFALSE for each chamber if hit is compatible or not
339 TClonesArray *hitArray, *thisHitArray;
340 AliMUONHitForRec *hit, *thisHit;
343 Float_t deltaZMax = 1.; // 1 cm
345 Bool_t *nCompHit = new Bool_t[AliMUONConstants::NTrackingCh()];
347 for ( Int_t ch = 0; ch < AliMUONConstants::NTrackingCh(); ch++) {
348 nCompHit[ch] = kFALSE;
351 thisHitArray = this->GetHitForRecAtHit();
353 hitArray = track->GetHitForRecAtHit();
355 for (Int_t iHthis = 0; iHthis < thisHitArray->GetEntriesFast(); iHthis++) {
356 thisHit = (AliMUONHitForRec*) thisHitArray->At(iHthis);
357 chamberNumber = thisHit->GetChamberNumber();
358 if (chamberNumber < 0 || chamberNumber > AliMUONConstants::NTrackingCh()) continue;
359 nCompHit[chamberNumber] = kFALSE;
360 for (Int_t iH = 0; iH < hitArray->GetEntriesFast(); iH++) {
361 hit = (AliMUONHitForRec*) hitArray->At(iH);
362 deltaZ = TMath::Abs(thisHit->GetZ() - hit->GetZ());
363 chi2 = thisHit->NormalizedChi2WithHitForRec(hit,sigma2Cut); // set cut to 4 sigmas
364 if (chi2 < 3. && deltaZ < deltaZMax) {
365 nCompHit[chamberNumber] = kTRUE;
374 //__________________________________________________________________________
375 Double_t AliMUONTrack::TryOneHitForRec(AliMUONHitForRec* hitForRec)
377 /// Test the compatibility between the track and the hitForRec:
378 /// return the corresponding Chi2
380 // Get track parameters and their covariances at the z position of hitForRec
381 AliMUONTrackParam extrapTrackParam(fExtrapTrackParam);
382 AliMUONTrackExtrap::ExtrapToZCov(&extrapTrackParam, hitForRec->GetZ());
384 // Set differences between trackParam and hitForRec in the bending and non bending directions
386 dPos(0,0) = hitForRec->GetNonBendingCoor() - extrapTrackParam.GetNonBendingCoor();
387 dPos(1,0) = hitForRec->GetBendingCoor() - extrapTrackParam.GetBendingCoor();
389 // quick test of hitForRec compatibility within a wide road of x*y = 10*1 cm2 to save computing time
390 if (TMath::Abs(dPos(0,0)) > fgkMaxTrackingDistanceNonBending ||
391 TMath::Abs(dPos(1,0)) > fgkMaxTrackingDistanceBending) return 1.e10;
393 // Set the error matrix from trackParam covariances and hitForRec resolution
394 TMatrixD* paramCov = extrapTrackParam.GetCovariances();
396 error(0,0) = (*paramCov)(0,0) + hitForRec->GetNonBendingReso2();
397 error(0,1) = (*paramCov)(0,2);
398 error(1,0) = (*paramCov)(2,0);
399 error(1,1) = (*paramCov)(2,2) + hitForRec->GetBendingReso2();
401 // Invert the error matrix for Chi2 calculation
402 if (error.Determinant() != 0) {
405 AliWarning(" Determinant error=0");
409 // Compute the Chi2 value
410 TMatrixD tmp(error,TMatrixD::kMult,dPos);
411 TMatrixD result(dPos,TMatrixD::kTransposeMult,tmp);
417 //__________________________________________________________________________
418 Double_t AliMUONTrack::TryTwoHitForRec(AliMUONHitForRec* hitForRec1, AliMUONHitForRec* hitForRec2)
420 /// Test the compatibility between the track and the 2 hitForRec together:
421 /// return the corresponding Chi2 accounting for covariances between the 2 hitForRec
423 // Get track parameters and their covariances at the z position of the first hitForRec
424 AliMUONTrackParam extrapTrackParam1(fExtrapTrackParam);
425 AliMUONTrackExtrap::ExtrapToZCov(&extrapTrackParam1, hitForRec1->GetZ());
427 // Get track parameters at second hitForRec
428 AliMUONTrackParam extrapTrackParam2(extrapTrackParam1);
429 AliMUONTrackExtrap::ExtrapToZ(&extrapTrackParam2, hitForRec2->GetZ());
431 // Set differences between track and the 2 hitForRec in the bending and non bending directions
433 dPos(0,0) = hitForRec1->GetNonBendingCoor() - extrapTrackParam1.GetNonBendingCoor();
434 dPos(1,0) = hitForRec1->GetBendingCoor() - extrapTrackParam1.GetBendingCoor();
435 dPos(2,0) = hitForRec2->GetNonBendingCoor() - extrapTrackParam2.GetNonBendingCoor();
436 dPos(3,0) = hitForRec2->GetBendingCoor() - extrapTrackParam2.GetBendingCoor();
438 // quick tests of hitForRec compatibility within a wide road of x*y = 1*1 cm2 to save computing time
439 if (TMath::Abs(dPos(0,0)) > fgkMaxTrackingDistanceNonBending ||
440 TMath::Abs(dPos(1,0)) > fgkMaxTrackingDistanceBending ||
441 TMath::Abs(dPos(2,0)) > fgkMaxTrackingDistanceNonBending ||
442 TMath::Abs(dPos(3,0)) > fgkMaxTrackingDistanceBending) return 1.e10;
444 // Calculate the error matrix from the track parameter covariances at first hitForRec
447 if (extrapTrackParam1.CovariancesExist()) {
448 // Get the pointer to the parameter covariance matrix at first hitForRec
449 TMatrixD* paramCov = extrapTrackParam1.GetCovariances();
451 // Save track parameters at first hitForRec
452 AliMUONTrackParam extrapTrackParam1Save(extrapTrackParam1);
453 Double_t nonBendingCoor1 = extrapTrackParam1Save.GetNonBendingCoor();
454 Double_t nonBendingSlope1 = extrapTrackParam1Save.GetNonBendingSlope();
455 Double_t bendingCoor1 = extrapTrackParam1Save.GetBendingCoor();
456 Double_t bendingSlope1 = extrapTrackParam1Save.GetBendingSlope();
457 Double_t inverseBendingMomentum1 = extrapTrackParam1Save.GetInverseBendingMomentum();
458 Double_t z1 = extrapTrackParam1Save.GetZ();
460 // Save track coordinates at second hitForRec
461 Double_t nonBendingCoor2 = extrapTrackParam2.GetNonBendingCoor();
462 Double_t bendingCoor2 = extrapTrackParam2.GetBendingCoor();
464 // Calculate the jacobian related to the transformation between track parameters
465 // at first hitForRec and track coordinates at the 2 hitForRec z-position
468 // first derivative at the first hitForRec:
469 jacob(0,0) = 1.; // dx1/dx
470 jacob(1,2) = 1.; // dy1/dy
471 // first derivative at the second hitForRec:
473 for (Int_t i=0; i<5; i++) {
474 // Skip jacobian calculation for parameters with no associated error
475 if ((*paramCov)(i,i) == 0.) continue;
476 // Small variation of parameter i only
477 for (Int_t j=0; j<5; j++) {
479 dParam[j] = TMath::Sqrt((*paramCov)(i,i));
480 if (j == 4) dParam[j] *= TMath::Sign(1.,-inverseBendingMomentum1); // variation always in the same direction
481 } else dParam[j] = 0.;
483 // Set new track parameters at first hitForRec
484 extrapTrackParam1Save.SetNonBendingCoor (nonBendingCoor1 + dParam[0]);
485 extrapTrackParam1Save.SetNonBendingSlope (nonBendingSlope1 + dParam[1]);
486 extrapTrackParam1Save.SetBendingCoor (bendingCoor1 + dParam[2]);
487 extrapTrackParam1Save.SetBendingSlope (bendingSlope1 + dParam[3]);
488 extrapTrackParam1Save.SetInverseBendingMomentum(inverseBendingMomentum1 + dParam[4]);
489 extrapTrackParam1Save.SetZ (z1);
490 // Extrapolate new track parameters to the z position of the second hitForRec
491 AliMUONTrackExtrap::ExtrapToZ(&extrapTrackParam1Save,hitForRec2->GetZ());
492 // Calculate the jacobian
493 jacob(2,i) = (extrapTrackParam1Save.GetNonBendingCoor() - nonBendingCoor2) / dParam[i]; // dx2/dParami
494 jacob(3,i) = (extrapTrackParam1Save.GetBendingCoor() - bendingCoor2 ) / dParam[i]; // dy2/dParami
497 // Calculate the error matrix
498 TMatrixD tmp((*paramCov),TMatrixD::kMultTranspose,jacob);
499 error = TMatrixD(jacob,TMatrixD::kMult,tmp);
502 // Add hitForRec resolution to the error matrix
503 error(0,0) += hitForRec1->GetNonBendingReso2();
504 error(1,1) += hitForRec1->GetBendingReso2();
505 error(2,2) += hitForRec2->GetNonBendingReso2();
506 error(3,3) += hitForRec2->GetBendingReso2();
508 // invert the error matrix for Chi2 calculation
509 if (error.Determinant() != 0) {
512 AliWarning(" Determinant error=0");
516 // Compute the Chi2 value
517 TMatrixD tmp2(error,TMatrixD::kMult,dPos);
518 TMatrixD result(dPos,TMatrixD::kTransposeMult,tmp2);
524 //__________________________________________________________________________
525 void AliMUONTrack::RecursiveDump(void) const
527 /// Recursive dump of AliMUONTrack, i.e. with dump of TrackParamAtHit's and attached HitForRec's
528 AliMUONTrackParam *trackParamAtHit;
529 AliMUONHitForRec *hitForRec;
530 cout << "Recursive dump of Track: " << this << endl;
533 for (Int_t trackHitIndex = 0; trackHitIndex < fNTrackHits; trackHitIndex++) {
534 trackParamAtHit = (AliMUONTrackParam*) ((*fTrackParamAtHit)[trackHitIndex]);
536 cout << "TrackParamAtHit: " << trackParamAtHit << " (index: " << trackHitIndex << ")" << endl;
537 trackParamAtHit->Dump();
538 hitForRec = trackParamAtHit->GetHitForRecPtr();
540 cout << "HitForRec: " << hitForRec << endl;
546 //_____________________________________________-
547 void AliMUONTrack::Print(Option_t* opt) const
549 /// Printing Track information
550 /// "full" option for printing all the information about the track
554 if ( sopt.Contains("FULL") ) {
555 cout << "<AliMUONTrack> No.Clusters=" << setw(2) << GetNTrackHits() <<
556 // ", Bending P="<< setw(8) << setprecision(5) << 1./GetInverseBendingMomentum() <<
557 //", NonBendSlope=" << setw(8) << setprecision(5) << GetNonBendingSlope()*180./TMath::Pi() <<
558 //", BendSlope=" << setw(8) << setprecision(5) << GetBendingSlope()*180./TMath::Pi() <<
559 ", Match2Trig=" << setw(1) << GetMatchTrigger() <<
560 ", LoTrgNum=" << setw(3) << GetLoTrgNum() <<
561 ", Chi2-tracking-trigger=" << setw(8) << setprecision(5) << GetChi2MatchTrigger() << endl ;
562 GetTrackParamAtHit()->First()->Print("full");
565 cout << "<AliMUONTrack>";
566 GetTrackParamAtHit()->First()->Print("");