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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" |
96ebe67e | 25 | #include "AliMUONVCluster.h" |
22ccc301 | 26 | |
37827b29 | 27 | #include "AliLog.h" |
22ccc301 | 28 | |
22ccc301 | 29 | #include <TMath.h> |
ea94c18b | 30 | |
31 | #include <Riostream.h> | |
a9e2aefa | 32 | |
7945aae7 | 33 | /// \cond CLASSIMP |
a9e2aefa | 34 | ClassImp(AliMUONTrackParam) // Class implementation in ROOT context |
7945aae7 | 35 | /// \endcond |
a9e2aefa | 36 | |
61adb9bd | 37 | //_________________________________________________________________________ |
30178c30 | 38 | AliMUONTrackParam::AliMUONTrackParam() |
54d7ba50 | 39 | : TObject(), |
208f139e | 40 | fZ(0.), |
ea94c18b | 41 | fParameters(5,1), |
208f139e | 42 | fCovariances(0x0), |
ea94c18b | 43 | fPropagator(0x0), |
44 | fExtrapParameters(0x0), | |
45 | fExtrapCovariances(0x0), | |
46 | fSmoothParameters(0x0), | |
47 | fSmoothCovariances(0x0), | |
96ebe67e | 48 | fClusterPtr(0x0), |
49 | fOwnCluster(kFALSE), | |
ea94c18b | 50 | fRemovable(kFALSE), |
51 | fTrackChi2(0.), | |
52 | fLocalChi2(0.) | |
30178c30 | 53 | { |
37827b29 | 54 | /// Constructor |
30178c30 | 55 | } |
61adb9bd | 56 | |
30178c30 | 57 | //_________________________________________________________________________ |
de2cd600 | 58 | AliMUONTrackParam::AliMUONTrackParam(const AliMUONTrackParam& theMUONTrackParam) |
59 | : TObject(theMUONTrackParam), | |
208f139e | 60 | fZ(theMUONTrackParam.fZ), |
ea94c18b | 61 | fParameters(theMUONTrackParam.fParameters), |
208f139e | 62 | fCovariances(0x0), |
ea94c18b | 63 | fPropagator(0x0), |
64 | fExtrapParameters(0x0), | |
65 | fExtrapCovariances(0x0), | |
66 | fSmoothParameters(0x0), | |
67 | fSmoothCovariances(0x0), | |
96ebe67e | 68 | fClusterPtr(0x0), |
69 | fOwnCluster(theMUONTrackParam.fOwnCluster), | |
ea94c18b | 70 | fRemovable(theMUONTrackParam.fRemovable), |
71 | fTrackChi2(theMUONTrackParam.fTrackChi2), | |
72 | fLocalChi2(theMUONTrackParam.fLocalChi2) | |
de2cd600 | 73 | { |
2457f726 | 74 | /// Copy constructor |
208f139e | 75 | if (theMUONTrackParam.fCovariances) fCovariances = new TMatrixD(*(theMUONTrackParam.fCovariances)); |
ea94c18b | 76 | if (theMUONTrackParam.fPropagator) fPropagator = new TMatrixD(*(theMUONTrackParam.fPropagator)); |
77 | if (theMUONTrackParam.fExtrapParameters) fExtrapParameters = new TMatrixD(*(theMUONTrackParam.fExtrapParameters)); | |
78 | if (theMUONTrackParam.fExtrapCovariances) fExtrapCovariances = new TMatrixD(*(theMUONTrackParam.fExtrapCovariances)); | |
79 | if (theMUONTrackParam.fSmoothParameters) fSmoothParameters = new TMatrixD(*(theMUONTrackParam.fSmoothParameters)); | |
80 | if (theMUONTrackParam.fSmoothCovariances) fSmoothCovariances = new TMatrixD(*(theMUONTrackParam.fSmoothCovariances)); | |
96ebe67e | 81 | |
1467f4ba | 82 | if(fOwnCluster) fClusterPtr = static_cast<AliMUONVCluster*>(theMUONTrackParam.fClusterPtr->Clone()); |
96ebe67e | 83 | else fClusterPtr = theMUONTrackParam.fClusterPtr; |
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)); | |
019df241 | 103 | } else { |
208f139e | 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)); | |
019df241 | 111 | } else { |
ea94c18b | 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)); | |
019df241 | 119 | } else { |
ea94c18b | 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)); | |
019df241 | 127 | } else { |
ea94c18b | 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)); | |
019df241 | 135 | } else { |
ea94c18b | 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)); | |
019df241 | 143 | } else { |
ea94c18b | 144 | delete fSmoothCovariances; |
145 | fSmoothCovariances = 0x0; | |
146 | } | |
147 | ||
7332f213 | 148 | if (fOwnCluster) delete fClusterPtr; |
96ebe67e | 149 | fOwnCluster = theMUONTrackParam.fOwnCluster; |
1467f4ba | 150 | if(fOwnCluster) fClusterPtr = static_cast<AliMUONVCluster*>(theMUONTrackParam.fClusterPtr->Clone()); |
96ebe67e | 151 | else fClusterPtr = theMUONTrackParam.fClusterPtr; |
ea94c18b | 152 | |
153 | fRemovable = theMUONTrackParam.fRemovable; | |
154 | ||
155 | fTrackChi2 = theMUONTrackParam.fTrackChi2; | |
156 | fLocalChi2 = theMUONTrackParam.fLocalChi2; | |
157 | ||
61adb9bd | 158 | return *this; |
159 | } | |
de2cd600 | 160 | |
161 | //__________________________________________________________________________ | |
162 | AliMUONTrackParam::~AliMUONTrackParam() | |
61adb9bd | 163 | { |
de2cd600 | 164 | /// Destructor |
208f139e | 165 | DeleteCovariances(); |
ea94c18b | 166 | delete fPropagator; |
167 | delete fExtrapParameters; | |
168 | delete fExtrapCovariances; | |
169 | delete fSmoothParameters; | |
170 | delete fSmoothCovariances; | |
96ebe67e | 171 | if(fOwnCluster) delete fClusterPtr; |
de2cd600 | 172 | } |
173 | ||
174 | //__________________________________________________________________________ | |
ea94c18b | 175 | void |
176 | AliMUONTrackParam::Clear(Option_t* /*opt*/) | |
177 | { | |
96ebe67e | 178 | /// clear memory |
ea94c18b | 179 | DeleteCovariances(); |
180 | delete fPropagator; fPropagator = 0x0; | |
181 | delete fExtrapParameters; fExtrapParameters = 0x0; | |
182 | delete fExtrapCovariances; fExtrapCovariances = 0x0; | |
183 | delete fSmoothParameters; fSmoothParameters = 0x0; | |
184 | delete fSmoothCovariances; fSmoothCovariances = 0x0; | |
96ebe67e | 185 | if(fOwnCluster) { |
186 | delete fClusterPtr; fClusterPtr = 0x0; | |
187 | } | |
22ccc301 | 188 | } |
189 | ||
b8dc484b | 190 | //__________________________________________________________________________ |
6464217e | 191 | Double_t AliMUONTrackParam::Px() const |
b8dc484b | 192 | { |
22ccc301 | 193 | /// return p_x from track parameters |
0e894e58 | 194 | Double_t pZ; |
195 | if (TMath::Abs(fParameters(4,0)) > 0) { | |
196 | Double_t pYZ = (TMath::Abs(fParameters(4,0)) > 0) ? TMath::Abs(1.0 / fParameters(4,0)) : FLT_MAX; | |
197 | pZ = - pYZ / (TMath::Sqrt(1.0 + fParameters(3,0) * fParameters(3,0))); // spectro. (z<0) | |
198 | } else { | |
199 | pZ = - FLT_MAX / TMath::Sqrt(1.0 + fParameters(3,0) * fParameters(3,0) + fParameters(1,0) * fParameters(1,0)); | |
200 | } | |
201 | return pZ * fParameters(1,0); | |
b8dc484b | 202 | } |
37827b29 | 203 | |
b8dc484b | 204 | //__________________________________________________________________________ |
6464217e | 205 | Double_t AliMUONTrackParam::Py() const |
b8dc484b | 206 | { |
22ccc301 | 207 | /// return p_y from track parameters |
0e894e58 | 208 | Double_t pZ; |
209 | if (TMath::Abs(fParameters(4,0)) > 0) { | |
210 | Double_t pYZ = (TMath::Abs(fParameters(4,0)) > 0) ? TMath::Abs(1.0 / fParameters(4,0)) : FLT_MAX; | |
211 | pZ = - pYZ / (TMath::Sqrt(1.0 + fParameters(3,0) * fParameters(3,0))); // spectro. (z<0) | |
212 | } else { | |
213 | pZ = - FLT_MAX / TMath::Sqrt(1.0 + fParameters(3,0) * fParameters(3,0) + fParameters(1,0) * fParameters(1,0)); | |
214 | } | |
215 | return pZ * fParameters(3,0); | |
b8dc484b | 216 | } |
37827b29 | 217 | |
b8dc484b | 218 | //__________________________________________________________________________ |
6464217e | 219 | Double_t AliMUONTrackParam::Pz() const |
b8dc484b | 220 | { |
22ccc301 | 221 | /// return p_z from track parameters |
0e894e58 | 222 | if (TMath::Abs(fParameters(4,0)) > 0) { |
223 | Double_t pYZ = TMath::Abs(1.0 / fParameters(4,0)); | |
224 | return - pYZ / (TMath::Sqrt(1.0 + fParameters(3,0) * fParameters(3,0))); // spectro. (z<0) | |
225 | } else return - FLT_MAX / TMath::Sqrt(1.0 + fParameters(3,0) * fParameters(3,0) + fParameters(1,0) * fParameters(1,0)); | |
b8dc484b | 226 | } |
37827b29 | 227 | |
b8dc484b | 228 | //__________________________________________________________________________ |
6464217e | 229 | Double_t AliMUONTrackParam::P() const |
b8dc484b | 230 | { |
22ccc301 | 231 | /// return p from track parameters |
0e894e58 | 232 | if (TMath::Abs(fParameters(4,0)) > 0) { |
233 | Double_t pYZ = TMath::Abs(1.0 / fParameters(4,0)); | |
234 | Double_t pZ = - pYZ / (TMath::Sqrt(1.0 + fParameters(3,0) * fParameters(3,0))); // spectro. (z<0) | |
b1fea02e | 235 | return - pZ * TMath::Sqrt(1.0 + fParameters(3,0) * fParameters(3,0) + fParameters(1,0) * fParameters(1,0)); |
0e894e58 | 236 | } else return FLT_MAX; |
b45fd22b | 237 | } |
4d03a78e | 238 | |
208f139e | 239 | //__________________________________________________________________________ |
ea94c18b | 240 | const TMatrixD& AliMUONTrackParam::GetCovariances() const |
208f139e | 241 | { |
242 | /// Return the covariance matrix (create it before if needed) | |
243 | if (!fCovariances) { | |
244 | fCovariances = new TMatrixD(5,5); | |
ea94c18b | 245 | fCovariances->Zero(); |
208f139e | 246 | } |
ea94c18b | 247 | return *fCovariances; |
248 | } | |
208f139e | 249 | |
250 | //__________________________________________________________________________ | |
ea94c18b | 251 | void AliMUONTrackParam::SetCovariances(const TMatrixD& covariances) |
208f139e | 252 | { |
253 | /// Set the covariance matrix | |
ea94c18b | 254 | if (fCovariances) *fCovariances = covariances; |
255 | else fCovariances = new TMatrixD(covariances); | |
208f139e | 256 | } |
257 | ||
258 | //__________________________________________________________________________ | |
ea94c18b | 259 | void AliMUONTrackParam::SetCovariances(const Double_t matrix[5][5]) |
208f139e | 260 | { |
261 | /// Set the covariance matrix | |
262 | if (fCovariances) fCovariances->SetMatrixArray(&(matrix[0][0])); | |
263 | else fCovariances = new TMatrixD(5,5,&(matrix[0][0])); | |
264 | } | |
265 | ||
266 | //__________________________________________________________________________ | |
ea94c18b | 267 | void AliMUONTrackParam::SetVariances(const Double_t matrix[5][5]) |
208f139e | 268 | { |
269 | /// Set the diagonal terms of the covariance matrix (variances) | |
270 | if (!fCovariances) fCovariances = new TMatrixD(5,5); | |
ea94c18b | 271 | fCovariances->Zero(); |
208f139e | 272 | for (Int_t i=0; i<5; i++) (*fCovariances)(i,i) = matrix[i][i]; |
273 | } | |
274 | ||
275 | //__________________________________________________________________________ | |
276 | void AliMUONTrackParam::DeleteCovariances() | |
277 | { | |
278 | /// Delete the covariance matrix | |
686772dc | 279 | delete fCovariances; |
208f139e | 280 | fCovariances = 0x0; |
281 | } | |
282 | ||
283 | //__________________________________________________________________________ | |
ea94c18b | 284 | const TMatrixD& AliMUONTrackParam::GetPropagator() const |
208f139e | 285 | { |
ea94c18b | 286 | /// Return the propagator (create it before if needed) |
287 | if (!fPropagator) { | |
288 | fPropagator = new TMatrixD(5,5); | |
019df241 | 289 | fPropagator->UnitMatrix(); |
208f139e | 290 | } |
ea94c18b | 291 | return *fPropagator; |
96ebe67e | 292 | } |
ea94c18b | 293 | |
294 | //__________________________________________________________________________ | |
295 | void AliMUONTrackParam::ResetPropagator() | |
296 | { | |
297 | /// Reset the propagator | |
019df241 | 298 | if (fPropagator) fPropagator->UnitMatrix(); |
ea94c18b | 299 | } |
300 | ||
301 | //__________________________________________________________________________ | |
302 | void AliMUONTrackParam::UpdatePropagator(const TMatrixD& propagator) | |
303 | { | |
304 | /// Update the propagator | |
ea94c18b | 305 | if (fPropagator) *fPropagator = TMatrixD(propagator,TMatrixD::kMult,*fPropagator); |
306 | else fPropagator = new TMatrixD(propagator); | |
307 | } | |
308 | ||
309 | //__________________________________________________________________________ | |
310 | const TMatrixD& AliMUONTrackParam::GetExtrapParameters() const | |
311 | { | |
312 | /// Return extrapolated parameters (create it before if needed) | |
313 | if (!fExtrapParameters) { | |
314 | fExtrapParameters = new TMatrixD(5,1); | |
315 | fExtrapParameters->Zero(); | |
316 | } | |
317 | return *fExtrapParameters; | |
318 | } | |
319 | ||
320 | //__________________________________________________________________________ | |
321 | void AliMUONTrackParam::SetExtrapParameters(const TMatrixD& extrapParameters) | |
322 | { | |
323 | /// Set extrapolated parameters | |
ea94c18b | 324 | if (fExtrapParameters) *fExtrapParameters = extrapParameters; |
325 | else fExtrapParameters = new TMatrixD(extrapParameters); | |
326 | } | |
327 | ||
328 | //__________________________________________________________________________ | |
329 | const TMatrixD& AliMUONTrackParam::GetExtrapCovariances() const | |
330 | { | |
331 | /// Return the extrapolated covariance matrix (create it before if needed) | |
332 | if (!fExtrapCovariances) { | |
333 | fExtrapCovariances = new TMatrixD(5,5); | |
334 | fExtrapCovariances->Zero(); | |
335 | } | |
336 | return *fExtrapCovariances; | |
337 | } | |
338 | ||
339 | //__________________________________________________________________________ | |
340 | void AliMUONTrackParam::SetExtrapCovariances(const TMatrixD& extrapCovariances) | |
341 | { | |
342 | /// Set the extrapolated covariance matrix | |
ea94c18b | 343 | if (fExtrapCovariances) *fExtrapCovariances = extrapCovariances; |
344 | else fExtrapCovariances = new TMatrixD(extrapCovariances); | |
345 | } | |
346 | ||
347 | //__________________________________________________________________________ | |
348 | const TMatrixD& AliMUONTrackParam::GetSmoothParameters() const | |
349 | { | |
350 | /// Return the smoothed parameters (create it before if needed) | |
351 | if (!fSmoothParameters) { | |
352 | fSmoothParameters = new TMatrixD(5,1); | |
353 | fSmoothParameters->Zero(); | |
354 | } | |
355 | return *fSmoothParameters; | |
356 | } | |
357 | ||
358 | //__________________________________________________________________________ | |
359 | void AliMUONTrackParam::SetSmoothParameters(const TMatrixD& smoothParameters) | |
360 | { | |
361 | /// Set the smoothed parameters | |
ea94c18b | 362 | if (fSmoothParameters) *fSmoothParameters = smoothParameters; |
363 | else fSmoothParameters = new TMatrixD(smoothParameters); | |
364 | } | |
365 | ||
366 | //__________________________________________________________________________ | |
367 | const TMatrixD& AliMUONTrackParam::GetSmoothCovariances() const | |
368 | { | |
369 | /// Return the smoothed covariance matrix (create it before if needed) | |
370 | if (!fSmoothCovariances) { | |
371 | fSmoothCovariances = new TMatrixD(5,5); | |
372 | fSmoothCovariances->Zero(); | |
373 | } | |
374 | return *fSmoothCovariances; | |
375 | } | |
376 | ||
377 | //__________________________________________________________________________ | |
378 | void AliMUONTrackParam::SetSmoothCovariances(const TMatrixD& smoothCovariances) | |
379 | { | |
380 | /// Set the smoothed covariance matrix | |
ea94c18b | 381 | if (fSmoothCovariances) *fSmoothCovariances = smoothCovariances; |
382 | else fSmoothCovariances = new TMatrixD(smoothCovariances); | |
208f139e | 383 | } |
384 | ||
7d98b674 | 385 | //__________________________________________________________________________ |
386 | void AliMUONTrackParam::SetClusterPtr(AliMUONVCluster* cluster, Bool_t owner) | |
387 | { | |
388 | /// set pointeur to associated cluster | |
389 | if (fOwnCluster) delete fClusterPtr; | |
390 | fClusterPtr = cluster; | |
391 | fOwnCluster = owner; | |
392 | } | |
393 | ||
208f139e | 394 | //__________________________________________________________________________ |
395 | Int_t AliMUONTrackParam::Compare(const TObject* trackParam) const | |
396 | { | |
397 | /// "Compare" function to sort with decreasing Z (spectro. muon Z <0). | |
96ebe67e | 398 | /// Returns 1 (0, -1) if the current Z |
399 | /// is smaller than (equal to, larger than) Z of trackParam | |
847cbaef | 400 | if (fZ < ((AliMUONTrackParam*)trackParam)->GetZ()) return(1); |
401 | else if (fZ == ((AliMUONTrackParam*)trackParam)->GetZ()) return(0); | |
208f139e | 402 | else return(-1); |
403 | } | |
404 | ||
61fed964 | 405 | //__________________________________________________________________________ |
406 | Bool_t AliMUONTrackParam::CompatibleTrackParam(const AliMUONTrackParam &trackParam, Double_t sigma2Cut, Double_t &chi2) const | |
407 | { | |
408 | /// Return kTRUE if the two set of track parameters are compatible within sigma2Cut | |
409 | /// Set chi2 to the compatible chi2 value | |
410 | /// Note that parameter covariances must exist for at least one set of parameters | |
411 | /// Note also that if parameters are not given at the same Z, results will be meaningless | |
412 | ||
413 | // reset chi2 value | |
414 | chi2 = 0.; | |
415 | ||
416 | // ckeck covariance matrices | |
417 | if (!fCovariances && !trackParam.fCovariances) { | |
418 | AliError("Covariance matrix must exist for at least one set of parameters"); | |
419 | return kFALSE; | |
420 | } | |
421 | ||
422 | Double_t maxChi2 = 5. * sigma2Cut * sigma2Cut; // 5 degrees of freedom | |
423 | ||
424 | // check Z parameters | |
425 | if (fZ != trackParam.fZ) | |
426 | AliWarning(Form("Parameters are given at different Z position (%le : %le): results are meaningless", fZ, trackParam.fZ)); | |
427 | ||
428 | // compute the parameter residuals | |
429 | TMatrixD deltaParam(fParameters, TMatrixD::kMinus, trackParam.fParameters); | |
430 | ||
431 | // build the error matrix | |
432 | TMatrixD weight(5,5); | |
433 | if (fCovariances) weight += *fCovariances; | |
434 | if (trackParam.fCovariances) weight += *(trackParam.fCovariances); | |
435 | ||
436 | // invert the error matrix to get the parameter weights if possible | |
437 | if (weight.Determinant() == 0) { | |
438 | AliError("Cannot compute the compatibility chi2"); | |
439 | return kFALSE; | |
440 | } | |
441 | weight.Invert(); | |
442 | ||
443 | // compute the compatibility chi2 | |
444 | TMatrixD tmp(deltaParam, TMatrixD::kTransposeMult, weight); | |
445 | TMatrixD mChi2(tmp, TMatrixD::kMult, deltaParam); | |
446 | ||
447 | // set chi2 value | |
448 | chi2 = mChi2(0,0); | |
449 | ||
450 | // check compatibility | |
451 | if (chi2 > maxChi2) return kFALSE; | |
452 | ||
453 | return kTRUE; | |
454 | } | |
455 | ||
456 | //__________________________________________________________________________ | |
6464217e | 457 | void AliMUONTrackParam::Print(Option_t* opt) const |
458 | { | |
2457f726 | 459 | /// Printing TrackParam information |
460 | /// "full" option for printing all the information about the TrackParam | |
6464217e | 461 | TString sopt(opt); |
462 | sopt.ToUpper(); | |
463 | ||
464 | if ( sopt.Contains("FULL") ) { | |
ea94c18b | 465 | cout << "<AliMUONTrackParam> Bending P=" << setw(5) << setprecision(3) << 1./fParameters(4,0) << |
466 | ", NonBendSlope=" << setw(5) << setprecision(3) << fParameters(1,0)*180./TMath::Pi() << | |
467 | ", BendSlope=" << setw(5) << setprecision(3) << fParameters(3,0)*180./TMath::Pi() << | |
468 | ", (x,y,z)_IP=(" << setw(5) << setprecision(3) << fParameters(0,0) << | |
469 | "," << setw(5) << setprecision(3) << fParameters(2,0) << | |
470 | "," << setw(5) << setprecision(3) << fZ << | |
6464217e | 471 | ") cm, (px,py,pz)=(" << setw(5) << setprecision(3) << Px() << |
472 | "," << setw(5) << setprecision(3) << Py() << | |
473 | "," << setw(5) << setprecision(3) << Pz() << ") GeV/c" << endl; | |
474 | } | |
475 | else { | |
476 | cout << "<AliMUONTrackParam>" << endl; | |
477 | } | |
478 | ||
479 | } |