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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 | |
56316147 | 18 | //----------------------------------------------------------------------------- |
19 | // Class AliMUONTrackParam | |
20 | //------------------------- | |
21 | // Track parameters in ALICE dimuon spectrometer | |
22 | //----------------------------------------------------------------------------- | |
a9e2aefa | 23 | |
37827b29 | 24 | #include "AliMUONTrackParam.h" |
22ccc301 | 25 | #include "AliMUONHitForRec.h" |
26 | ||
211c52eb | 27 | #include "AliESDMuonTrack.h" |
37827b29 | 28 | #include "AliLog.h" |
22ccc301 | 29 | |
22ccc301 | 30 | #include <TMath.h> |
ea94c18b | 31 | |
32 | #include <Riostream.h> | |
a9e2aefa | 33 | |
7945aae7 | 34 | /// \cond CLASSIMP |
a9e2aefa | 35 | ClassImp(AliMUONTrackParam) // Class implementation in ROOT context |
7945aae7 | 36 | /// \endcond |
a9e2aefa | 37 | |
61adb9bd | 38 | //_________________________________________________________________________ |
30178c30 | 39 | AliMUONTrackParam::AliMUONTrackParam() |
54d7ba50 | 40 | : TObject(), |
208f139e | 41 | fZ(0.), |
ea94c18b | 42 | fParameters(5,1), |
208f139e | 43 | fCovariances(0x0), |
ea94c18b | 44 | fPropagator(0x0), |
45 | fExtrapParameters(0x0), | |
46 | fExtrapCovariances(0x0), | |
47 | fSmoothParameters(0x0), | |
48 | fSmoothCovariances(0x0), | |
49 | fHitForRecPtr(0x0), | |
50 | fRemovable(kFALSE), | |
b709ac13 | 51 | fAloneInChamber(kTRUE), |
ea94c18b | 52 | fTrackChi2(0.), |
53 | fLocalChi2(0.) | |
30178c30 | 54 | { |
37827b29 | 55 | /// Constructor |
30178c30 | 56 | } |
61adb9bd | 57 | |
30178c30 | 58 | //_________________________________________________________________________ |
de2cd600 | 59 | AliMUONTrackParam::AliMUONTrackParam(const AliMUONTrackParam& theMUONTrackParam) |
60 | : TObject(theMUONTrackParam), | |
208f139e | 61 | fZ(theMUONTrackParam.fZ), |
ea94c18b | 62 | fParameters(theMUONTrackParam.fParameters), |
208f139e | 63 | fCovariances(0x0), |
ea94c18b | 64 | fPropagator(0x0), |
65 | fExtrapParameters(0x0), | |
66 | fExtrapCovariances(0x0), | |
67 | fSmoothParameters(0x0), | |
68 | fSmoothCovariances(0x0), | |
69 | fHitForRecPtr(theMUONTrackParam.fHitForRecPtr), | |
70 | fRemovable(theMUONTrackParam.fRemovable), | |
b709ac13 | 71 | fAloneInChamber(theMUONTrackParam.fAloneInChamber), |
ea94c18b | 72 | fTrackChi2(theMUONTrackParam.fTrackChi2), |
73 | fLocalChi2(theMUONTrackParam.fLocalChi2) | |
de2cd600 | 74 | { |
2457f726 | 75 | /// Copy constructor |
208f139e | 76 | if (theMUONTrackParam.fCovariances) fCovariances = new TMatrixD(*(theMUONTrackParam.fCovariances)); |
ea94c18b | 77 | if (theMUONTrackParam.fPropagator) fPropagator = new TMatrixD(*(theMUONTrackParam.fPropagator)); |
78 | if (theMUONTrackParam.fExtrapParameters) fExtrapParameters = new TMatrixD(*(theMUONTrackParam.fExtrapParameters)); | |
79 | if (theMUONTrackParam.fExtrapCovariances) fExtrapCovariances = new TMatrixD(*(theMUONTrackParam.fExtrapCovariances)); | |
80 | if (theMUONTrackParam.fSmoothParameters) fSmoothParameters = new TMatrixD(*(theMUONTrackParam.fSmoothParameters)); | |
81 | if (theMUONTrackParam.fSmoothCovariances) fSmoothCovariances = new TMatrixD(*(theMUONTrackParam.fSmoothCovariances)); | |
de2cd600 | 82 | } |
83 | ||
84 | //_________________________________________________________________________ | |
85 | AliMUONTrackParam& AliMUONTrackParam::operator=(const AliMUONTrackParam& theMUONTrackParam) | |
61adb9bd | 86 | { |
2457f726 | 87 | /// Asignment operator |
30178c30 | 88 | if (this == &theMUONTrackParam) |
61adb9bd | 89 | return *this; |
90 | ||
30178c30 | 91 | // base class assignement |
92 | TObject::operator=(theMUONTrackParam); | |
93 | ||
ea94c18b | 94 | fZ = theMUONTrackParam.fZ; |
95 | ||
96 | fParameters = theMUONTrackParam.fParameters; | |
208f139e | 97 | |
98 | if (theMUONTrackParam.fCovariances) { | |
99 | if (fCovariances) *fCovariances = *(theMUONTrackParam.fCovariances); | |
100 | else fCovariances = new TMatrixD(*(theMUONTrackParam.fCovariances)); | |
019df241 | 101 | } else { |
208f139e | 102 | delete fCovariances; |
103 | fCovariances = 0x0; | |
104 | } | |
105 | ||
ea94c18b | 106 | if (theMUONTrackParam.fPropagator) { |
107 | if (fPropagator) *fPropagator = *(theMUONTrackParam.fPropagator); | |
108 | else fPropagator = new TMatrixD(*(theMUONTrackParam.fPropagator)); | |
019df241 | 109 | } else { |
ea94c18b | 110 | delete fPropagator; |
111 | fPropagator = 0x0; | |
112 | } | |
113 | ||
114 | if (theMUONTrackParam.fExtrapParameters) { | |
115 | if (fExtrapParameters) *fExtrapParameters = *(theMUONTrackParam.fExtrapParameters); | |
116 | else fExtrapParameters = new TMatrixD(*(theMUONTrackParam.fExtrapParameters)); | |
019df241 | 117 | } else { |
ea94c18b | 118 | delete fExtrapParameters; |
119 | fExtrapParameters = 0x0; | |
120 | } | |
121 | ||
122 | if (theMUONTrackParam.fExtrapCovariances) { | |
123 | if (fExtrapCovariances) *fExtrapCovariances = *(theMUONTrackParam.fExtrapCovariances); | |
124 | else fExtrapCovariances = new TMatrixD(*(theMUONTrackParam.fExtrapCovariances)); | |
019df241 | 125 | } else { |
ea94c18b | 126 | delete fExtrapCovariances; |
127 | fExtrapCovariances = 0x0; | |
128 | } | |
129 | ||
130 | if (theMUONTrackParam.fSmoothParameters) { | |
131 | if (fSmoothParameters) *fSmoothParameters = *(theMUONTrackParam.fSmoothParameters); | |
132 | else fSmoothParameters = new TMatrixD(*(theMUONTrackParam.fSmoothParameters)); | |
019df241 | 133 | } else { |
ea94c18b | 134 | delete fSmoothParameters; |
135 | fSmoothParameters = 0x0; | |
136 | } | |
137 | ||
138 | if (theMUONTrackParam.fSmoothCovariances) { | |
139 | if (fSmoothCovariances) *fSmoothCovariances = *(theMUONTrackParam.fSmoothCovariances); | |
140 | else fSmoothCovariances = new TMatrixD(*(theMUONTrackParam.fSmoothCovariances)); | |
019df241 | 141 | } else { |
ea94c18b | 142 | delete fSmoothCovariances; |
143 | fSmoothCovariances = 0x0; | |
144 | } | |
145 | ||
146 | fHitForRecPtr = theMUONTrackParam.fHitForRecPtr; | |
147 | ||
148 | fRemovable = theMUONTrackParam.fRemovable; | |
149 | ||
b709ac13 | 150 | fAloneInChamber = theMUONTrackParam.fAloneInChamber; |
151 | ||
ea94c18b | 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 | { | |
60765b06 | 195 | /// Get parameters from 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 | { |
60765b06 | 207 | /// Set parameters in 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 | { | |
60765b06 | 219 | /// Get parameters from 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 | { |
60765b06 | 231 | /// Set parameters in 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)); | |
60765b06 | 238 | } |
239 | ||
240 | //_________________________________________________________________________ | |
241 | void AliMUONTrackParam::GetCovFrom(const AliESDMuonTrack& esdMuonTrack) | |
242 | { | |
243 | /// Get parameters covariances from ESD track | |
244 | ||
245 | // Get ESD covariance matrix | |
246 | if (!fCovariances) fCovariances = new TMatrixD(5,5); | |
247 | esdMuonTrack.GetCovariances(*fCovariances); | |
248 | ||
249 | // compute Jacobian to change the coordinate system | |
250 | // from (X,thetaX,Y,thetaY,c/pYZ) to (X,slopeX,Y,slopeY,c/pYZ) | |
251 | Double_t cosThetaX = TMath::Cos(TMath::ATan(fParameters(1,0))); | |
252 | Double_t cosThetaY = TMath::Cos(TMath::ATan(fParameters(3,0))); | |
253 | TMatrixD jacob(5,5); | |
254 | jacob.Zero(); | |
255 | jacob(0,0) = 1.; | |
256 | jacob(1,1) = 1. / cosThetaX / cosThetaX; | |
257 | jacob(2,2) = 1.; | |
258 | jacob(3,3) = 1. / cosThetaY / cosThetaY; | |
259 | jacob(4,4) = 1.; | |
260 | ||
261 | // compute covariance matrix in ESD coordinate system | |
262 | TMatrixD tmp(*fCovariances,TMatrixD::kMultTranspose,jacob); | |
263 | *fCovariances = TMatrixD(jacob,TMatrixD::kMult,tmp); | |
264 | ||
265 | } | |
266 | ||
267 | //_________________________________________________________________________ | |
268 | void AliMUONTrackParam::SetCovFor(AliESDMuonTrack& esdMuonTrack) const | |
269 | { | |
270 | /// Set parameters covariances in ESD track | |
271 | ||
272 | // set null matrix if covariances does not exist | |
273 | if (!fCovariances) { | |
274 | TMatrixD tmp(5,5); | |
275 | tmp.Zero(); | |
276 | esdMuonTrack.SetCovariances(tmp); | |
277 | return; | |
278 | } | |
279 | ||
280 | // compute Jacobian to change the coordinate system | |
281 | // from (X,slopeX,Y,slopeY,c/pYZ) to (X,thetaX,Y,thetaY,c/pYZ) | |
282 | Double_t cosThetaX = TMath::Cos(TMath::ATan(fParameters(1,0))); | |
283 | Double_t cosThetaY = TMath::Cos(TMath::ATan(fParameters(3,0))); | |
284 | TMatrixD jacob(5,5); | |
285 | jacob.Zero(); | |
286 | jacob(0,0) = 1.; | |
287 | jacob(1,1) = cosThetaX * cosThetaX; | |
288 | jacob(2,2) = 1.; | |
289 | jacob(3,3) = cosThetaY * cosThetaY; | |
290 | jacob(4,4) = 1.; | |
291 | ||
292 | // compute covariance matrix in ESD coordinate system | |
293 | TMatrixD tmp(*fCovariances,TMatrixD::kMultTranspose,jacob); | |
294 | TMatrixD tmp2(jacob,TMatrixD::kMult,tmp); | |
295 | esdMuonTrack.SetCovariances(tmp2); | |
296 | ||
22ccc301 | 297 | } |
298 | ||
b8dc484b | 299 | //__________________________________________________________________________ |
6464217e | 300 | Double_t AliMUONTrackParam::Px() const |
b8dc484b | 301 | { |
22ccc301 | 302 | /// return p_x from track parameters |
b8dc484b | 303 | Double_t pYZ, pZ, pX; |
304 | pYZ = 0; | |
ea94c18b | 305 | if ( TMath::Abs(fParameters(4,0)) > 0 ) |
306 | pYZ = TMath::Abs(1.0 / fParameters(4,0)); | |
307 | pZ = -pYZ / (TMath::Sqrt(1.0 + fParameters(3,0) * fParameters(3,0))); // spectro. (z<0) | |
308 | pX = pZ * fParameters(1,0); | |
b8dc484b | 309 | return pX; |
310 | } | |
37827b29 | 311 | |
b8dc484b | 312 | //__________________________________________________________________________ |
6464217e | 313 | Double_t AliMUONTrackParam::Py() const |
b8dc484b | 314 | { |
22ccc301 | 315 | /// return p_y from track parameters |
b8dc484b | 316 | Double_t pYZ, pZ, pY; |
317 | pYZ = 0; | |
ea94c18b | 318 | if ( TMath::Abs(fParameters(4,0)) > 0 ) |
319 | pYZ = TMath::Abs(1.0 / fParameters(4,0)); | |
320 | pZ = -pYZ / (TMath::Sqrt(1.0 + fParameters(3,0) * fParameters(3,0))); // spectro. (z<0) | |
321 | pY = pZ * fParameters(3,0); | |
b8dc484b | 322 | return pY; |
323 | } | |
37827b29 | 324 | |
b8dc484b | 325 | //__________________________________________________________________________ |
6464217e | 326 | Double_t AliMUONTrackParam::Pz() const |
b8dc484b | 327 | { |
22ccc301 | 328 | /// return p_z from track parameters |
b8dc484b | 329 | Double_t pYZ, pZ; |
330 | pYZ = 0; | |
ea94c18b | 331 | if ( TMath::Abs(fParameters(4,0)) > 0 ) |
332 | pYZ = TMath::Abs(1.0 / fParameters(4,0)); | |
333 | pZ = -pYZ / (TMath::Sqrt(1.0 + fParameters(3,0) * fParameters(3,0))); // spectro. (z<0) | |
b8dc484b | 334 | return pZ; |
335 | } | |
37827b29 | 336 | |
b8dc484b | 337 | //__________________________________________________________________________ |
6464217e | 338 | Double_t AliMUONTrackParam::P() const |
b8dc484b | 339 | { |
22ccc301 | 340 | /// return p from track parameters |
b8dc484b | 341 | Double_t pYZ, pZ, p; |
342 | pYZ = 0; | |
ea94c18b | 343 | if ( TMath::Abs(fParameters(4,0)) > 0 ) |
344 | pYZ = TMath::Abs(1.0 / fParameters(4,0)); | |
345 | pZ = -pYZ / (TMath::Sqrt(1.0 + fParameters(3,0) * fParameters(3,0))); // spectro. (z<0) | |
b8dc484b | 346 | p = TMath::Abs(pZ) * |
ea94c18b | 347 | TMath::Sqrt(1.0 + fParameters(3,0) * fParameters(3,0) + fParameters(1,0) * fParameters(1,0)); |
b8dc484b | 348 | return p; |
349 | ||
b45fd22b | 350 | } |
4d03a78e | 351 | |
208f139e | 352 | //__________________________________________________________________________ |
ea94c18b | 353 | const TMatrixD& AliMUONTrackParam::GetCovariances() const |
208f139e | 354 | { |
355 | /// Return the covariance matrix (create it before if needed) | |
356 | if (!fCovariances) { | |
357 | fCovariances = new TMatrixD(5,5); | |
ea94c18b | 358 | fCovariances->Zero(); |
208f139e | 359 | } |
ea94c18b | 360 | return *fCovariances; |
361 | } | |
208f139e | 362 | |
363 | //__________________________________________________________________________ | |
ea94c18b | 364 | void AliMUONTrackParam::SetCovariances(const TMatrixD& covariances) |
208f139e | 365 | { |
366 | /// Set the covariance matrix | |
ea94c18b | 367 | if (fCovariances) *fCovariances = covariances; |
368 | else fCovariances = new TMatrixD(covariances); | |
208f139e | 369 | } |
370 | ||
371 | //__________________________________________________________________________ | |
ea94c18b | 372 | void AliMUONTrackParam::SetCovariances(const Double_t matrix[5][5]) |
208f139e | 373 | { |
374 | /// Set the covariance matrix | |
375 | if (fCovariances) fCovariances->SetMatrixArray(&(matrix[0][0])); | |
376 | else fCovariances = new TMatrixD(5,5,&(matrix[0][0])); | |
377 | } | |
378 | ||
379 | //__________________________________________________________________________ | |
ea94c18b | 380 | void AliMUONTrackParam::SetVariances(const Double_t matrix[5][5]) |
208f139e | 381 | { |
382 | /// Set the diagonal terms of the covariance matrix (variances) | |
383 | if (!fCovariances) fCovariances = new TMatrixD(5,5); | |
ea94c18b | 384 | fCovariances->Zero(); |
208f139e | 385 | for (Int_t i=0; i<5; i++) (*fCovariances)(i,i) = matrix[i][i]; |
386 | } | |
387 | ||
388 | //__________________________________________________________________________ | |
389 | void AliMUONTrackParam::DeleteCovariances() | |
390 | { | |
391 | /// Delete the covariance matrix | |
686772dc | 392 | delete fCovariances; |
208f139e | 393 | fCovariances = 0x0; |
394 | } | |
395 | ||
396 | //__________________________________________________________________________ | |
ea94c18b | 397 | const TMatrixD& AliMUONTrackParam::GetPropagator() const |
208f139e | 398 | { |
ea94c18b | 399 | /// Return the propagator (create it before if needed) |
400 | if (!fPropagator) { | |
401 | fPropagator = new TMatrixD(5,5); | |
019df241 | 402 | fPropagator->UnitMatrix(); |
208f139e | 403 | } |
ea94c18b | 404 | return *fPropagator; |
405 | } | |
406 | ||
407 | //__________________________________________________________________________ | |
408 | void AliMUONTrackParam::ResetPropagator() | |
409 | { | |
410 | /// Reset the propagator | |
019df241 | 411 | if (fPropagator) fPropagator->UnitMatrix(); |
ea94c18b | 412 | } |
413 | ||
414 | //__________________________________________________________________________ | |
415 | void AliMUONTrackParam::UpdatePropagator(const TMatrixD& propagator) | |
416 | { | |
417 | /// Update the propagator | |
ea94c18b | 418 | if (fPropagator) *fPropagator = TMatrixD(propagator,TMatrixD::kMult,*fPropagator); |
419 | else fPropagator = new TMatrixD(propagator); | |
420 | } | |
421 | ||
422 | //__________________________________________________________________________ | |
423 | const TMatrixD& AliMUONTrackParam::GetExtrapParameters() const | |
424 | { | |
425 | /// Return extrapolated parameters (create it before if needed) | |
426 | if (!fExtrapParameters) { | |
427 | fExtrapParameters = new TMatrixD(5,1); | |
428 | fExtrapParameters->Zero(); | |
429 | } | |
430 | return *fExtrapParameters; | |
431 | } | |
432 | ||
433 | //__________________________________________________________________________ | |
434 | void AliMUONTrackParam::SetExtrapParameters(const TMatrixD& extrapParameters) | |
435 | { | |
436 | /// Set extrapolated parameters | |
ea94c18b | 437 | if (fExtrapParameters) *fExtrapParameters = extrapParameters; |
438 | else fExtrapParameters = new TMatrixD(extrapParameters); | |
439 | } | |
440 | ||
441 | //__________________________________________________________________________ | |
442 | const TMatrixD& AliMUONTrackParam::GetExtrapCovariances() const | |
443 | { | |
444 | /// Return the extrapolated covariance matrix (create it before if needed) | |
445 | if (!fExtrapCovariances) { | |
446 | fExtrapCovariances = new TMatrixD(5,5); | |
447 | fExtrapCovariances->Zero(); | |
448 | } | |
449 | return *fExtrapCovariances; | |
450 | } | |
451 | ||
452 | //__________________________________________________________________________ | |
453 | void AliMUONTrackParam::SetExtrapCovariances(const TMatrixD& extrapCovariances) | |
454 | { | |
455 | /// Set the extrapolated covariance matrix | |
ea94c18b | 456 | if (fExtrapCovariances) *fExtrapCovariances = extrapCovariances; |
457 | else fExtrapCovariances = new TMatrixD(extrapCovariances); | |
458 | } | |
459 | ||
460 | //__________________________________________________________________________ | |
461 | const TMatrixD& AliMUONTrackParam::GetSmoothParameters() const | |
462 | { | |
463 | /// Return the smoothed parameters (create it before if needed) | |
464 | if (!fSmoothParameters) { | |
465 | fSmoothParameters = new TMatrixD(5,1); | |
466 | fSmoothParameters->Zero(); | |
467 | } | |
468 | return *fSmoothParameters; | |
469 | } | |
470 | ||
471 | //__________________________________________________________________________ | |
472 | void AliMUONTrackParam::SetSmoothParameters(const TMatrixD& smoothParameters) | |
473 | { | |
474 | /// Set the smoothed parameters | |
ea94c18b | 475 | if (fSmoothParameters) *fSmoothParameters = smoothParameters; |
476 | else fSmoothParameters = new TMatrixD(smoothParameters); | |
477 | } | |
478 | ||
479 | //__________________________________________________________________________ | |
480 | const TMatrixD& AliMUONTrackParam::GetSmoothCovariances() const | |
481 | { | |
482 | /// Return the smoothed covariance matrix (create it before if needed) | |
483 | if (!fSmoothCovariances) { | |
484 | fSmoothCovariances = new TMatrixD(5,5); | |
485 | fSmoothCovariances->Zero(); | |
486 | } | |
487 | return *fSmoothCovariances; | |
488 | } | |
489 | ||
490 | //__________________________________________________________________________ | |
491 | void AliMUONTrackParam::SetSmoothCovariances(const TMatrixD& smoothCovariances) | |
492 | { | |
493 | /// Set the smoothed covariance matrix | |
ea94c18b | 494 | if (fSmoothCovariances) *fSmoothCovariances = smoothCovariances; |
495 | else fSmoothCovariances = new TMatrixD(smoothCovariances); | |
208f139e | 496 | } |
497 | ||
498 | //__________________________________________________________________________ | |
499 | Int_t AliMUONTrackParam::Compare(const TObject* trackParam) const | |
500 | { | |
501 | /// "Compare" function to sort with decreasing Z (spectro. muon Z <0). | |
502 | /// Returns 1 (0, -1) if Z of current TrackHit | |
503 | /// is smaller than (equal to, larger than) Z of TrackHit | |
847cbaef | 504 | if (fHitForRecPtr) { |
505 | if (fHitForRecPtr->GetZ() != fZ) | |
506 | AliWarning("track parameters are given at a different z position than the one of the corresponding hit"); | |
507 | } | |
508 | if (fZ < ((AliMUONTrackParam*)trackParam)->GetZ()) return(1); | |
509 | else if (fZ == ((AliMUONTrackParam*)trackParam)->GetZ()) return(0); | |
208f139e | 510 | else return(-1); |
511 | } | |
512 | ||
6464217e | 513 | //_____________________________________________- |
514 | void AliMUONTrackParam::Print(Option_t* opt) const | |
515 | { | |
2457f726 | 516 | /// Printing TrackParam information |
517 | /// "full" option for printing all the information about the TrackParam | |
6464217e | 518 | TString sopt(opt); |
519 | sopt.ToUpper(); | |
520 | ||
521 | if ( sopt.Contains("FULL") ) { | |
ea94c18b | 522 | cout << "<AliMUONTrackParam> Bending P=" << setw(5) << setprecision(3) << 1./fParameters(4,0) << |
523 | ", NonBendSlope=" << setw(5) << setprecision(3) << fParameters(1,0)*180./TMath::Pi() << | |
524 | ", BendSlope=" << setw(5) << setprecision(3) << fParameters(3,0)*180./TMath::Pi() << | |
525 | ", (x,y,z)_IP=(" << setw(5) << setprecision(3) << fParameters(0,0) << | |
526 | "," << setw(5) << setprecision(3) << fParameters(2,0) << | |
527 | "," << setw(5) << setprecision(3) << fZ << | |
6464217e | 528 | ") cm, (px,py,pz)=(" << setw(5) << setprecision(3) << Px() << |
529 | "," << setw(5) << setprecision(3) << Py() << | |
530 | "," << setw(5) << setprecision(3) << Pz() << ") GeV/c" << endl; | |
531 | } | |
532 | else { | |
533 | cout << "<AliMUONTrackParam>" << endl; | |
534 | } | |
535 | ||
536 | } |