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a9e2aefa | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, 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 | ||
88cb7938 | 16 | /* $Id$ */ |
a9e2aefa | 17 | |
3831f268 | 18 | /////////////////////////////////////////////////// |
19 | // | |
20 | // Track parameters | |
21 | // in | |
22 | // ALICE | |
23 | // dimuon | |
24 | // spectrometer | |
a9e2aefa | 25 | // |
3831f268 | 26 | /////////////////////////////////////////////////// |
a9e2aefa | 27 | |
37827b29 | 28 | #include "AliMUONTrackParam.h" |
22ccc301 | 29 | #include "AliMUONHitForRec.h" |
30 | ||
211c52eb | 31 | #include "AliESDMuonTrack.h" |
37827b29 | 32 | #include "AliLog.h" |
22ccc301 | 33 | |
22ccc301 | 34 | #include <TMath.h> |
ea94c18b | 35 | |
36 | #include <Riostream.h> | |
a9e2aefa | 37 | |
7945aae7 | 38 | /// \cond CLASSIMP |
a9e2aefa | 39 | ClassImp(AliMUONTrackParam) // Class implementation in ROOT context |
7945aae7 | 40 | /// \endcond |
a9e2aefa | 41 | |
61adb9bd | 42 | //_________________________________________________________________________ |
30178c30 | 43 | AliMUONTrackParam::AliMUONTrackParam() |
54d7ba50 | 44 | : TObject(), |
208f139e | 45 | fZ(0.), |
ea94c18b | 46 | fParameters(5,1), |
208f139e | 47 | fCovariances(0x0), |
ea94c18b | 48 | fPropagator(0x0), |
49 | fExtrapParameters(0x0), | |
50 | fExtrapCovariances(0x0), | |
51 | fSmoothParameters(0x0), | |
52 | fSmoothCovariances(0x0), | |
53 | fHitForRecPtr(0x0), | |
54 | fRemovable(kFALSE), | |
55 | fTrackChi2(0.), | |
56 | fLocalChi2(0.) | |
30178c30 | 57 | { |
37827b29 | 58 | /// Constructor |
30178c30 | 59 | } |
61adb9bd | 60 | |
30178c30 | 61 | //_________________________________________________________________________ |
de2cd600 | 62 | AliMUONTrackParam::AliMUONTrackParam(const AliMUONTrackParam& theMUONTrackParam) |
63 | : TObject(theMUONTrackParam), | |
208f139e | 64 | fZ(theMUONTrackParam.fZ), |
ea94c18b | 65 | fParameters(theMUONTrackParam.fParameters), |
208f139e | 66 | fCovariances(0x0), |
ea94c18b | 67 | fPropagator(0x0), |
68 | fExtrapParameters(0x0), | |
69 | fExtrapCovariances(0x0), | |
70 | fSmoothParameters(0x0), | |
71 | fSmoothCovariances(0x0), | |
72 | fHitForRecPtr(theMUONTrackParam.fHitForRecPtr), | |
73 | fRemovable(theMUONTrackParam.fRemovable), | |
74 | fTrackChi2(theMUONTrackParam.fTrackChi2), | |
75 | fLocalChi2(theMUONTrackParam.fLocalChi2) | |
de2cd600 | 76 | { |
2457f726 | 77 | /// Copy constructor |
208f139e | 78 | if (theMUONTrackParam.fCovariances) fCovariances = new TMatrixD(*(theMUONTrackParam.fCovariances)); |
ea94c18b | 79 | if (theMUONTrackParam.fPropagator) fPropagator = new TMatrixD(*(theMUONTrackParam.fPropagator)); |
80 | if (theMUONTrackParam.fExtrapParameters) fExtrapParameters = new TMatrixD(*(theMUONTrackParam.fExtrapParameters)); | |
81 | if (theMUONTrackParam.fExtrapCovariances) fExtrapCovariances = new TMatrixD(*(theMUONTrackParam.fExtrapCovariances)); | |
82 | if (theMUONTrackParam.fSmoothParameters) fSmoothParameters = new TMatrixD(*(theMUONTrackParam.fSmoothParameters)); | |
83 | if (theMUONTrackParam.fSmoothCovariances) fSmoothCovariances = new TMatrixD(*(theMUONTrackParam.fSmoothCovariances)); | |
de2cd600 | 84 | } |
85 | ||
86 | //_________________________________________________________________________ | |
87 | AliMUONTrackParam& AliMUONTrackParam::operator=(const AliMUONTrackParam& theMUONTrackParam) | |
61adb9bd | 88 | { |
2457f726 | 89 | /// Asignment operator |
30178c30 | 90 | if (this == &theMUONTrackParam) |
61adb9bd | 91 | return *this; |
92 | ||
30178c30 | 93 | // base class assignement |
94 | TObject::operator=(theMUONTrackParam); | |
95 | ||
ea94c18b | 96 | fZ = theMUONTrackParam.fZ; |
97 | ||
98 | fParameters = theMUONTrackParam.fParameters; | |
208f139e | 99 | |
100 | if (theMUONTrackParam.fCovariances) { | |
101 | if (fCovariances) *fCovariances = *(theMUONTrackParam.fCovariances); | |
102 | else fCovariances = new TMatrixD(*(theMUONTrackParam.fCovariances)); | |
103 | } else if (fCovariances) { | |
104 | delete fCovariances; | |
105 | fCovariances = 0x0; | |
106 | } | |
107 | ||
ea94c18b | 108 | if (theMUONTrackParam.fPropagator) { |
109 | if (fPropagator) *fPropagator = *(theMUONTrackParam.fPropagator); | |
110 | else fPropagator = new TMatrixD(*(theMUONTrackParam.fPropagator)); | |
111 | } else if (fPropagator) { | |
112 | delete fPropagator; | |
113 | fPropagator = 0x0; | |
114 | } | |
115 | ||
116 | if (theMUONTrackParam.fExtrapParameters) { | |
117 | if (fExtrapParameters) *fExtrapParameters = *(theMUONTrackParam.fExtrapParameters); | |
118 | else fExtrapParameters = new TMatrixD(*(theMUONTrackParam.fExtrapParameters)); | |
119 | } else if (fExtrapParameters) { | |
120 | delete fExtrapParameters; | |
121 | fExtrapParameters = 0x0; | |
122 | } | |
123 | ||
124 | if (theMUONTrackParam.fExtrapCovariances) { | |
125 | if (fExtrapCovariances) *fExtrapCovariances = *(theMUONTrackParam.fExtrapCovariances); | |
126 | else fExtrapCovariances = new TMatrixD(*(theMUONTrackParam.fExtrapCovariances)); | |
127 | } else if (fExtrapCovariances) { | |
128 | delete fExtrapCovariances; | |
129 | fExtrapCovariances = 0x0; | |
130 | } | |
131 | ||
132 | if (theMUONTrackParam.fSmoothParameters) { | |
133 | if (fSmoothParameters) *fSmoothParameters = *(theMUONTrackParam.fSmoothParameters); | |
134 | else fSmoothParameters = new TMatrixD(*(theMUONTrackParam.fSmoothParameters)); | |
135 | } else if (fSmoothParameters) { | |
136 | delete fSmoothParameters; | |
137 | fSmoothParameters = 0x0; | |
138 | } | |
139 | ||
140 | if (theMUONTrackParam.fSmoothCovariances) { | |
141 | if (fSmoothCovariances) *fSmoothCovariances = *(theMUONTrackParam.fSmoothCovariances); | |
142 | else fSmoothCovariances = new TMatrixD(*(theMUONTrackParam.fSmoothCovariances)); | |
143 | } else if (fSmoothCovariances) { | |
144 | delete fSmoothCovariances; | |
145 | fSmoothCovariances = 0x0; | |
146 | } | |
147 | ||
148 | fHitForRecPtr = theMUONTrackParam.fHitForRecPtr; | |
149 | ||
150 | fRemovable = theMUONTrackParam.fRemovable; | |
151 | ||
152 | fTrackChi2 = theMUONTrackParam.fTrackChi2; | |
153 | fLocalChi2 = theMUONTrackParam.fLocalChi2; | |
154 | ||
61adb9bd | 155 | return *this; |
156 | } | |
de2cd600 | 157 | |
158 | //__________________________________________________________________________ | |
159 | AliMUONTrackParam::~AliMUONTrackParam() | |
61adb9bd | 160 | { |
de2cd600 | 161 | /// Destructor |
208f139e | 162 | DeleteCovariances(); |
ea94c18b | 163 | delete fPropagator; |
164 | delete fExtrapParameters; | |
165 | delete fExtrapCovariances; | |
166 | delete fSmoothParameters; | |
167 | delete fSmoothCovariances; | |
de2cd600 | 168 | } |
169 | ||
170 | //__________________________________________________________________________ | |
ea94c18b | 171 | void |
172 | AliMUONTrackParam::Clear(Option_t* /*opt*/) | |
173 | { | |
174 | /// Delete the covariance matrix | |
175 | DeleteCovariances(); | |
176 | delete fPropagator; fPropagator = 0x0; | |
177 | delete fExtrapParameters; fExtrapParameters = 0x0; | |
178 | delete fExtrapCovariances; fExtrapCovariances = 0x0; | |
179 | delete fSmoothParameters; fSmoothParameters = 0x0; | |
180 | delete fSmoothCovariances; fSmoothCovariances = 0x0; | |
de2cd600 | 181 | } |
54d7ba50 | 182 | |
de2cd600 | 183 | //__________________________________________________________________________ |
184 | AliMUONHitForRec* AliMUONTrackParam::GetHitForRecPtr(void) const | |
185 | { | |
186 | /// return pointer to HitForRec attached to the current TrackParam | |
187 | /// this method should not be called when fHitForRecPtr == NULL | |
208f139e | 188 | if (!fHitForRecPtr) AliWarning("fHitForRecPtr == NULL"); |
de2cd600 | 189 | return fHitForRecPtr; |
190 | } | |
191 | ||
211c52eb | 192 | //_________________________________________________________________________ |
193 | void AliMUONTrackParam::GetParamFrom(const AliESDMuonTrack& esdMuonTrack) | |
194 | { | |
2457f726 | 195 | /// assigned value form ESD track. |
ea94c18b | 196 | fZ = esdMuonTrack.GetZ(); |
197 | fParameters(0,0) = esdMuonTrack.GetNonBendingCoor(); | |
198 | fParameters(1,0) = TMath::Tan(esdMuonTrack.GetThetaX()); | |
199 | fParameters(2,0) = esdMuonTrack.GetBendingCoor(); | |
200 | fParameters(3,0) = TMath::Tan(esdMuonTrack.GetThetaY()); | |
201 | fParameters(4,0) = esdMuonTrack.GetInverseBendingMomentum(); | |
211c52eb | 202 | } |
203 | ||
204 | //_________________________________________________________________________ | |
ea94c18b | 205 | void AliMUONTrackParam::SetParamFor(AliESDMuonTrack& esdMuonTrack) const |
211c52eb | 206 | { |
2457f726 | 207 | /// assigned value form ESD track. |
ea94c18b | 208 | esdMuonTrack.SetZ(fZ); |
209 | esdMuonTrack.SetNonBendingCoor(fParameters(0,0)); | |
210 | esdMuonTrack.SetThetaX(TMath::ATan(fParameters(1,0))); | |
211 | esdMuonTrack.SetBendingCoor(fParameters(2,0)); | |
212 | esdMuonTrack.SetThetaY(TMath::ATan(fParameters(3,0))); | |
213 | esdMuonTrack.SetInverseBendingMomentum(fParameters(4,0)); | |
211c52eb | 214 | } |
215 | ||
22ccc301 | 216 | //_________________________________________________________________________ |
217 | void AliMUONTrackParam::GetParamFromUncorrected(const AliESDMuonTrack& esdMuonTrack) | |
218 | { | |
219 | /// assigned value form ESD track. | |
ea94c18b | 220 | fZ = esdMuonTrack.GetZUncorrected(); |
221 | fParameters(0,0) = esdMuonTrack.GetNonBendingCoorUncorrected(); | |
222 | fParameters(1,0) = TMath::Tan(esdMuonTrack.GetThetaXUncorrected()); | |
223 | fParameters(2,0) = esdMuonTrack.GetBendingCoorUncorrected(); | |
224 | fParameters(3,0) = TMath::Tan(esdMuonTrack.GetThetaYUncorrected()); | |
225 | fParameters(4,0) = esdMuonTrack.GetInverseBendingMomentumUncorrected(); | |
22ccc301 | 226 | } |
227 | ||
228 | //_________________________________________________________________________ | |
ea94c18b | 229 | void AliMUONTrackParam::SetParamForUncorrected(AliESDMuonTrack& esdMuonTrack) const |
22ccc301 | 230 | { |
231 | /// assigned value form ESD track. | |
ea94c18b | 232 | esdMuonTrack.SetZUncorrected(fZ); |
233 | esdMuonTrack.SetNonBendingCoorUncorrected(fParameters(0,0)); | |
234 | esdMuonTrack.SetThetaXUncorrected(TMath::ATan(fParameters(1,0))); | |
235 | esdMuonTrack.SetBendingCoorUncorrected(fParameters(2,0)); | |
236 | esdMuonTrack.SetThetaYUncorrected(TMath::ATan(fParameters(3,0))); | |
237 | esdMuonTrack.SetInverseBendingMomentumUncorrected(fParameters(4,0)); | |
22ccc301 | 238 | } |
239 | ||
b8dc484b | 240 | //__________________________________________________________________________ |
6464217e | 241 | Double_t AliMUONTrackParam::Px() const |
b8dc484b | 242 | { |
22ccc301 | 243 | /// return p_x from track parameters |
b8dc484b | 244 | Double_t pYZ, pZ, pX; |
245 | pYZ = 0; | |
ea94c18b | 246 | if ( TMath::Abs(fParameters(4,0)) > 0 ) |
247 | pYZ = TMath::Abs(1.0 / fParameters(4,0)); | |
248 | pZ = -pYZ / (TMath::Sqrt(1.0 + fParameters(3,0) * fParameters(3,0))); // spectro. (z<0) | |
249 | pX = pZ * fParameters(1,0); | |
b8dc484b | 250 | return pX; |
251 | } | |
37827b29 | 252 | |
b8dc484b | 253 | //__________________________________________________________________________ |
6464217e | 254 | Double_t AliMUONTrackParam::Py() const |
b8dc484b | 255 | { |
22ccc301 | 256 | /// return p_y from track parameters |
b8dc484b | 257 | Double_t pYZ, pZ, pY; |
258 | pYZ = 0; | |
ea94c18b | 259 | if ( TMath::Abs(fParameters(4,0)) > 0 ) |
260 | pYZ = TMath::Abs(1.0 / fParameters(4,0)); | |
261 | pZ = -pYZ / (TMath::Sqrt(1.0 + fParameters(3,0) * fParameters(3,0))); // spectro. (z<0) | |
262 | pY = pZ * fParameters(3,0); | |
b8dc484b | 263 | return pY; |
264 | } | |
37827b29 | 265 | |
b8dc484b | 266 | //__________________________________________________________________________ |
6464217e | 267 | Double_t AliMUONTrackParam::Pz() const |
b8dc484b | 268 | { |
22ccc301 | 269 | /// return p_z from track parameters |
b8dc484b | 270 | Double_t pYZ, pZ; |
271 | pYZ = 0; | |
ea94c18b | 272 | if ( TMath::Abs(fParameters(4,0)) > 0 ) |
273 | pYZ = TMath::Abs(1.0 / fParameters(4,0)); | |
274 | pZ = -pYZ / (TMath::Sqrt(1.0 + fParameters(3,0) * fParameters(3,0))); // spectro. (z<0) | |
b8dc484b | 275 | return pZ; |
276 | } | |
37827b29 | 277 | |
b8dc484b | 278 | //__________________________________________________________________________ |
6464217e | 279 | Double_t AliMUONTrackParam::P() const |
b8dc484b | 280 | { |
22ccc301 | 281 | /// return p from track parameters |
b8dc484b | 282 | Double_t pYZ, pZ, p; |
283 | pYZ = 0; | |
ea94c18b | 284 | if ( TMath::Abs(fParameters(4,0)) > 0 ) |
285 | pYZ = TMath::Abs(1.0 / fParameters(4,0)); | |
286 | pZ = -pYZ / (TMath::Sqrt(1.0 + fParameters(3,0) * fParameters(3,0))); // spectro. (z<0) | |
b8dc484b | 287 | p = TMath::Abs(pZ) * |
ea94c18b | 288 | TMath::Sqrt(1.0 + fParameters(3,0) * fParameters(3,0) + fParameters(1,0) * fParameters(1,0)); |
b8dc484b | 289 | return p; |
290 | ||
b45fd22b | 291 | } |
4d03a78e | 292 | |
208f139e | 293 | //__________________________________________________________________________ |
ea94c18b | 294 | const TMatrixD& AliMUONTrackParam::GetCovariances() const |
208f139e | 295 | { |
296 | /// Return the covariance matrix (create it before if needed) | |
297 | if (!fCovariances) { | |
298 | fCovariances = new TMatrixD(5,5); | |
ea94c18b | 299 | fCovariances->Zero(); |
208f139e | 300 | } |
ea94c18b | 301 | return *fCovariances; |
302 | } | |
208f139e | 303 | |
304 | //__________________________________________________________________________ | |
ea94c18b | 305 | void AliMUONTrackParam::SetCovariances(const TMatrixD& covariances) |
208f139e | 306 | { |
307 | /// Set the covariance matrix | |
ea94c18b | 308 | if (&covariances == fCovariances) return; // nothing to be done |
309 | if (fCovariances) *fCovariances = covariances; | |
310 | else fCovariances = new TMatrixD(covariances); | |
208f139e | 311 | } |
312 | ||
313 | //__________________________________________________________________________ | |
ea94c18b | 314 | void AliMUONTrackParam::SetCovariances(const Double_t matrix[5][5]) |
208f139e | 315 | { |
316 | /// Set the covariance matrix | |
317 | if (fCovariances) fCovariances->SetMatrixArray(&(matrix[0][0])); | |
318 | else fCovariances = new TMatrixD(5,5,&(matrix[0][0])); | |
319 | } | |
320 | ||
321 | //__________________________________________________________________________ | |
ea94c18b | 322 | void AliMUONTrackParam::SetVariances(const Double_t matrix[5][5]) |
208f139e | 323 | { |
324 | /// Set the diagonal terms of the covariance matrix (variances) | |
325 | if (!fCovariances) fCovariances = new TMatrixD(5,5); | |
ea94c18b | 326 | fCovariances->Zero(); |
208f139e | 327 | for (Int_t i=0; i<5; i++) (*fCovariances)(i,i) = matrix[i][i]; |
328 | } | |
329 | ||
330 | //__________________________________________________________________________ | |
331 | void AliMUONTrackParam::DeleteCovariances() | |
332 | { | |
333 | /// Delete the covariance matrix | |
686772dc | 334 | delete fCovariances; |
208f139e | 335 | fCovariances = 0x0; |
336 | } | |
337 | ||
338 | //__________________________________________________________________________ | |
ea94c18b | 339 | const TMatrixD& AliMUONTrackParam::GetPropagator() const |
208f139e | 340 | { |
ea94c18b | 341 | /// Return the propagator (create it before if needed) |
342 | if (!fPropagator) { | |
343 | fPropagator = new TMatrixD(5,5); | |
344 | fPropagator->Zero(); | |
208f139e | 345 | } |
ea94c18b | 346 | return *fPropagator; |
347 | } | |
348 | ||
349 | //__________________________________________________________________________ | |
350 | void AliMUONTrackParam::ResetPropagator() | |
351 | { | |
352 | /// Reset the propagator | |
353 | if (!fPropagator) fPropagator = new TMatrixD(5,5); | |
354 | fPropagator->UnitMatrix(); | |
355 | } | |
356 | ||
357 | //__________________________________________________________________________ | |
358 | void AliMUONTrackParam::UpdatePropagator(const TMatrixD& propagator) | |
359 | { | |
360 | /// Update the propagator | |
361 | if (&propagator == fPropagator) return; // nothing to be done | |
362 | if (fPropagator) *fPropagator = TMatrixD(propagator,TMatrixD::kMult,*fPropagator); | |
363 | else fPropagator = new TMatrixD(propagator); | |
364 | } | |
365 | ||
366 | //__________________________________________________________________________ | |
367 | const TMatrixD& AliMUONTrackParam::GetExtrapParameters() const | |
368 | { | |
369 | /// Return extrapolated parameters (create it before if needed) | |
370 | if (!fExtrapParameters) { | |
371 | fExtrapParameters = new TMatrixD(5,1); | |
372 | fExtrapParameters->Zero(); | |
373 | } | |
374 | return *fExtrapParameters; | |
375 | } | |
376 | ||
377 | //__________________________________________________________________________ | |
378 | void AliMUONTrackParam::SetExtrapParameters(const TMatrixD& extrapParameters) | |
379 | { | |
380 | /// Set extrapolated parameters | |
381 | if (&extrapParameters == fExtrapParameters) return; // nothing to be done | |
382 | if (fExtrapParameters) *fExtrapParameters = extrapParameters; | |
383 | else fExtrapParameters = new TMatrixD(extrapParameters); | |
384 | } | |
385 | ||
386 | //__________________________________________________________________________ | |
387 | const TMatrixD& AliMUONTrackParam::GetExtrapCovariances() const | |
388 | { | |
389 | /// Return the extrapolated covariance matrix (create it before if needed) | |
390 | if (!fExtrapCovariances) { | |
391 | fExtrapCovariances = new TMatrixD(5,5); | |
392 | fExtrapCovariances->Zero(); | |
393 | } | |
394 | return *fExtrapCovariances; | |
395 | } | |
396 | ||
397 | //__________________________________________________________________________ | |
398 | void AliMUONTrackParam::SetExtrapCovariances(const TMatrixD& extrapCovariances) | |
399 | { | |
400 | /// Set the extrapolated covariance matrix | |
401 | if (&extrapCovariances == fExtrapCovariances) return; // nothing to be done | |
402 | if (fExtrapCovariances) *fExtrapCovariances = extrapCovariances; | |
403 | else fExtrapCovariances = new TMatrixD(extrapCovariances); | |
404 | } | |
405 | ||
406 | //__________________________________________________________________________ | |
407 | const TMatrixD& AliMUONTrackParam::GetSmoothParameters() const | |
408 | { | |
409 | /// Return the smoothed parameters (create it before if needed) | |
410 | if (!fSmoothParameters) { | |
411 | fSmoothParameters = new TMatrixD(5,1); | |
412 | fSmoothParameters->Zero(); | |
413 | } | |
414 | return *fSmoothParameters; | |
415 | } | |
416 | ||
417 | //__________________________________________________________________________ | |
418 | void AliMUONTrackParam::SetSmoothParameters(const TMatrixD& smoothParameters) | |
419 | { | |
420 | /// Set the smoothed parameters | |
421 | if (&smoothParameters == fSmoothParameters) return; // nothing to be done | |
422 | if (fSmoothParameters) *fSmoothParameters = smoothParameters; | |
423 | else fSmoothParameters = new TMatrixD(smoothParameters); | |
424 | } | |
425 | ||
426 | //__________________________________________________________________________ | |
427 | const TMatrixD& AliMUONTrackParam::GetSmoothCovariances() const | |
428 | { | |
429 | /// Return the smoothed covariance matrix (create it before if needed) | |
430 | if (!fSmoothCovariances) { | |
431 | fSmoothCovariances = new TMatrixD(5,5); | |
432 | fSmoothCovariances->Zero(); | |
433 | } | |
434 | return *fSmoothCovariances; | |
435 | } | |
436 | ||
437 | //__________________________________________________________________________ | |
438 | void AliMUONTrackParam::SetSmoothCovariances(const TMatrixD& smoothCovariances) | |
439 | { | |
440 | /// Set the smoothed covariance matrix | |
441 | if (&smoothCovariances == fSmoothCovariances) return; // nothing to be done | |
442 | if (fSmoothCovariances) *fSmoothCovariances = smoothCovariances; | |
443 | else fSmoothCovariances = new TMatrixD(smoothCovariances); | |
208f139e | 444 | } |
445 | ||
446 | //__________________________________________________________________________ | |
447 | Int_t AliMUONTrackParam::Compare(const TObject* trackParam) const | |
448 | { | |
449 | /// "Compare" function to sort with decreasing Z (spectro. muon Z <0). | |
450 | /// Returns 1 (0, -1) if Z of current TrackHit | |
451 | /// is smaller than (equal to, larger than) Z of TrackHit | |
847cbaef | 452 | if (fHitForRecPtr) { |
453 | if (fHitForRecPtr->GetZ() != fZ) | |
454 | AliWarning("track parameters are given at a different z position than the one of the corresponding hit"); | |
455 | } | |
456 | if (fZ < ((AliMUONTrackParam*)trackParam)->GetZ()) return(1); | |
457 | else if (fZ == ((AliMUONTrackParam*)trackParam)->GetZ()) return(0); | |
208f139e | 458 | else return(-1); |
459 | } | |
460 | ||
6464217e | 461 | //_____________________________________________- |
462 | void AliMUONTrackParam::Print(Option_t* opt) const | |
463 | { | |
2457f726 | 464 | /// Printing TrackParam information |
465 | /// "full" option for printing all the information about the TrackParam | |
6464217e | 466 | TString sopt(opt); |
467 | sopt.ToUpper(); | |
468 | ||
469 | if ( sopt.Contains("FULL") ) { | |
ea94c18b | 470 | cout << "<AliMUONTrackParam> Bending P=" << setw(5) << setprecision(3) << 1./fParameters(4,0) << |
471 | ", NonBendSlope=" << setw(5) << setprecision(3) << fParameters(1,0)*180./TMath::Pi() << | |
472 | ", BendSlope=" << setw(5) << setprecision(3) << fParameters(3,0)*180./TMath::Pi() << | |
473 | ", (x,y,z)_IP=(" << setw(5) << setprecision(3) << fParameters(0,0) << | |
474 | "," << setw(5) << setprecision(3) << fParameters(2,0) << | |
475 | "," << setw(5) << setprecision(3) << fZ << | |
6464217e | 476 | ") cm, (px,py,pz)=(" << setw(5) << setprecision(3) << Px() << |
477 | "," << setw(5) << setprecision(3) << Py() << | |
478 | "," << setw(5) << setprecision(3) << Pz() << ") GeV/c" << endl; | |
479 | } | |
480 | else { | |
481 | cout << "<AliMUONTrackParam>" << endl; | |
482 | } | |
483 | ||
484 | } |