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af7ba10c | 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 | ||
16 | /* $Id$ */ | |
17 | ||
18 | /////////////////////////////////////////////////////////////////////////////// | |
19 | // | |
67c201be | 20 | /// \class AliESDMuonTrack |
21 | /// Class to describe the MUON tracks in the Event Summary Data class | |
22 | /// This is where the results of reconstruction are stored for the muons | |
23 | /// | |
24 | /// \author G.Martinez | |
af7ba10c | 25 | // |
26 | /////////////////////////////////////////////////////////////////////////////// | |
27 | ||
672b5f43 | 28 | #include "AliESDMuonTrack.h" |
d5efea33 | 29 | #include "AliESDMuonCluster.h" |
daf100e1 | 30 | #include "AliESDEvent.h" |
672b5f43 | 31 | |
d5efea33 | 32 | #include <TClonesArray.h> |
39b8d0dd | 33 | #include <TLorentzVector.h> |
34 | #include <TMath.h> | |
35 | ||
af7ba10c | 36 | ClassImp(AliESDMuonTrack) |
37 | ||
90e48c0c | 38 | //_____________________________________________________________________________ |
39 | AliESDMuonTrack::AliESDMuonTrack (): | |
ad85871a | 40 | AliVParticle(), |
12186235 | 41 | fInverseBendingMomentum(FLT_MAX), |
90e48c0c | 42 | fThetaX(0), |
43 | fThetaY(0), | |
44 | fZ(0), | |
45 | fBendingCoor(0), | |
46 | fNonBendingCoor(0), | |
12186235 | 47 | fInverseBendingMomentumAtDCA(FLT_MAX), |
d5efea33 | 48 | fThetaXAtDCA(0), |
49 | fThetaYAtDCA(0), | |
50 | fBendingCoorAtDCA(0), | |
51 | fNonBendingCoorAtDCA(0), | |
12186235 | 52 | fInverseBendingMomentumUncorrected(FLT_MAX), |
39b8d0dd | 53 | fThetaXUncorrected(0), |
54 | fThetaYUncorrected(0), | |
55 | fZUncorrected(0), | |
56 | fBendingCoorUncorrected(0), | |
57 | fNonBendingCoorUncorrected(0), | |
f43586f0 | 58 | fRAtAbsorberEnd(0), |
90e48c0c | 59 | fChi2(0), |
fbc3395d | 60 | fChi2MatchTrigger(0), |
01413742 | 61 | fLocalTrigger(0), |
9dea53d8 | 62 | fX1Pattern(0), |
63 | fY1Pattern(0), | |
64 | fX2Pattern(0), | |
65 | fY2Pattern(0), | |
66 | fX3Pattern(0), | |
67 | fY3Pattern(0), | |
68 | fX4Pattern(0), | |
69 | fY4Pattern(0), | |
4f036e6e | 70 | fMuonClusterMap(0), |
60765b06 | 71 | fHitsPatternInTrigCh(0), |
0a2dcc83 | 72 | fHitsPatternInTrigChTrk(0), |
d5efea33 | 73 | fNHit(0), |
2e2d0c44 | 74 | fClusters(0x0), |
fe0324de | 75 | fClustersId(0x0), |
daf100e1 | 76 | fLabel(-1), |
77 | fESDEvent(0) | |
78 | ||
90e48c0c | 79 | { |
60765b06 | 80 | // |
67c201be | 81 | /// Default constructor |
60765b06 | 82 | // |
83 | for (Int_t i = 0; i < 15; i++) fCovariances[i] = 0; | |
90e48c0c | 84 | } |
85 | ||
86 | ||
af7ba10c | 87 | //_____________________________________________________________________________ |
4c510ac5 | 88 | AliESDMuonTrack::AliESDMuonTrack (const AliESDMuonTrack& muonTrack): |
89 | AliVParticle(muonTrack), | |
90 | fInverseBendingMomentum(muonTrack.fInverseBendingMomentum), | |
91 | fThetaX(muonTrack.fThetaX), | |
92 | fThetaY(muonTrack.fThetaY), | |
93 | fZ(muonTrack.fZ), | |
94 | fBendingCoor(muonTrack.fBendingCoor), | |
95 | fNonBendingCoor(muonTrack.fNonBendingCoor), | |
96 | fInverseBendingMomentumAtDCA(muonTrack.fInverseBendingMomentumAtDCA), | |
97 | fThetaXAtDCA(muonTrack.fThetaXAtDCA), | |
98 | fThetaYAtDCA(muonTrack.fThetaYAtDCA), | |
99 | fBendingCoorAtDCA(muonTrack.fBendingCoorAtDCA), | |
100 | fNonBendingCoorAtDCA(muonTrack.fNonBendingCoorAtDCA), | |
101 | fInverseBendingMomentumUncorrected(muonTrack.fInverseBendingMomentumUncorrected), | |
102 | fThetaXUncorrected(muonTrack.fThetaXUncorrected), | |
103 | fThetaYUncorrected(muonTrack.fThetaYUncorrected), | |
104 | fZUncorrected(muonTrack.fZUncorrected), | |
105 | fBendingCoorUncorrected(muonTrack.fBendingCoorUncorrected), | |
106 | fNonBendingCoorUncorrected(muonTrack.fNonBendingCoorUncorrected), | |
f43586f0 | 107 | fRAtAbsorberEnd(muonTrack.fRAtAbsorberEnd), |
4c510ac5 | 108 | fChi2(muonTrack.fChi2), |
109 | fChi2MatchTrigger(muonTrack.fChi2MatchTrigger), | |
110 | fLocalTrigger(muonTrack.fLocalTrigger), | |
9dea53d8 | 111 | fX1Pattern(muonTrack.fX1Pattern), |
112 | fY1Pattern(muonTrack.fY1Pattern), | |
113 | fX2Pattern(muonTrack.fX2Pattern), | |
114 | fY2Pattern(muonTrack.fY2Pattern), | |
115 | fX3Pattern(muonTrack.fX3Pattern), | |
116 | fY3Pattern(muonTrack.fY3Pattern), | |
117 | fX4Pattern(muonTrack.fX4Pattern), | |
118 | fY4Pattern(muonTrack.fY4Pattern), | |
4c510ac5 | 119 | fMuonClusterMap(muonTrack.fMuonClusterMap), |
120 | fHitsPatternInTrigCh(muonTrack.fHitsPatternInTrigCh), | |
0a2dcc83 | 121 | fHitsPatternInTrigChTrk(muonTrack.fHitsPatternInTrigChTrk), |
4c510ac5 | 122 | fNHit(muonTrack.fNHit), |
2e2d0c44 | 123 | fClusters(0x0), |
fe0324de | 124 | fClustersId(0x0), |
daf100e1 | 125 | fLabel(muonTrack.fLabel), |
126 | fESDEvent(muonTrack.fESDEvent) | |
5ec1b3bc | 127 | { |
af7ba10c | 128 | // |
67c201be | 129 | /// Copy constructor |
130 | /// Deep copy implemented | |
af7ba10c | 131 | // |
4c510ac5 | 132 | for (Int_t i = 0; i < 15; i++) fCovariances[i] = muonTrack.fCovariances[i]; |
d5efea33 | 133 | |
134 | // necessary to make a copy of the objects and not only the pointers in TClonesArray | |
4c510ac5 | 135 | if (muonTrack.fClusters) { |
136 | fClusters = new TClonesArray("AliESDMuonCluster",muonTrack.fClusters->GetEntriesFast()); | |
137 | AliESDMuonCluster *cluster = (AliESDMuonCluster*) muonTrack.fClusters->First(); | |
d5efea33 | 138 | while (cluster) { |
139 | new ((*fClusters)[fClusters->GetEntriesFast()]) AliESDMuonCluster(*cluster); | |
4c510ac5 | 140 | cluster = (AliESDMuonCluster*) muonTrack.fClusters->After(cluster); |
d5efea33 | 141 | } |
142 | } | |
fe0324de | 143 | |
144 | // copy of cluster Ids | |
145 | if (muonTrack.fClustersId) fClustersId = new TArrayI(*(muonTrack.fClustersId)); | |
146 | ||
5ec1b3bc | 147 | } |
148 | ||
af7ba10c | 149 | //_____________________________________________________________________________ |
4c510ac5 | 150 | AliESDMuonTrack& AliESDMuonTrack::operator=(const AliESDMuonTrack& muonTrack) |
5ec1b3bc | 151 | { |
af7ba10c | 152 | // |
67c201be | 153 | /// Equal operator for a deep copy |
af7ba10c | 154 | // |
4c510ac5 | 155 | if (this == &muonTrack) |
5ec1b3bc | 156 | return *this; |
157 | ||
4c510ac5 | 158 | AliVParticle::operator=(muonTrack); // don't forget to invoke the base class' assignment operator |
ad85871a | 159 | |
4c510ac5 | 160 | fInverseBendingMomentum = muonTrack.fInverseBendingMomentum; |
161 | fThetaX = muonTrack.fThetaX; | |
162 | fThetaY = muonTrack.fThetaY; | |
163 | fZ = muonTrack.fZ; | |
164 | fBendingCoor = muonTrack.fBendingCoor; | |
165 | fNonBendingCoor = muonTrack.fNonBendingCoor; | |
39b8d0dd | 166 | |
4c510ac5 | 167 | fInverseBendingMomentumAtDCA = muonTrack.fInverseBendingMomentumAtDCA; |
168 | fThetaXAtDCA = muonTrack.fThetaXAtDCA; | |
169 | fThetaYAtDCA = muonTrack.fThetaYAtDCA; | |
170 | fBendingCoorAtDCA = muonTrack.fBendingCoorAtDCA; | |
171 | fNonBendingCoorAtDCA = muonTrack.fNonBendingCoorAtDCA; | |
d5efea33 | 172 | |
4c510ac5 | 173 | fInverseBendingMomentumUncorrected = muonTrack.fInverseBendingMomentumUncorrected; |
174 | fThetaXUncorrected = muonTrack.fThetaXUncorrected; | |
175 | fThetaYUncorrected = muonTrack.fThetaYUncorrected; | |
176 | fZUncorrected = muonTrack.fZUncorrected; | |
177 | fBendingCoorUncorrected = muonTrack.fBendingCoorUncorrected; | |
178 | fNonBendingCoorUncorrected = muonTrack.fNonBendingCoorUncorrected; | |
39b8d0dd | 179 | |
4c510ac5 | 180 | for (Int_t i = 0; i < 15; i++) fCovariances[i] = muonTrack.fCovariances[i]; |
60765b06 | 181 | |
f43586f0 | 182 | fRAtAbsorberEnd = muonTrack.fRAtAbsorberEnd; |
183 | ||
4c510ac5 | 184 | fChi2 = muonTrack.fChi2; |
185 | fNHit = muonTrack.fNHit; | |
8252d536 | 186 | |
4c510ac5 | 187 | fLocalTrigger = muonTrack.fLocalTrigger; |
9dea53d8 | 188 | fX1Pattern = muonTrack.fX1Pattern; |
189 | fY1Pattern = muonTrack.fY1Pattern; | |
190 | fX2Pattern = muonTrack.fX2Pattern; | |
191 | fY2Pattern = muonTrack.fY2Pattern; | |
192 | fX3Pattern = muonTrack.fX3Pattern; | |
193 | fY3Pattern = muonTrack.fY3Pattern; | |
194 | fX4Pattern = muonTrack.fX4Pattern; | |
195 | fY4Pattern = muonTrack.fY4Pattern; | |
4c510ac5 | 196 | fChi2MatchTrigger = muonTrack.fChi2MatchTrigger; |
fbc3395d | 197 | |
4c510ac5 | 198 | fHitsPatternInTrigCh = muonTrack.fHitsPatternInTrigCh; |
0a2dcc83 | 199 | fHitsPatternInTrigChTrk = muonTrack.fHitsPatternInTrigChTrk; |
8252d536 | 200 | |
4c510ac5 | 201 | fMuonClusterMap = muonTrack.fMuonClusterMap; |
2e2d0c44 | 202 | |
203 | fLabel = muonTrack.fLabel; | |
daf100e1 | 204 | |
205 | fESDEvent = muonTrack.fESDEvent; | |
2e2d0c44 | 206 | |
d5efea33 | 207 | // necessary to make a copy of the objects and not only the pointers in TClonesArray |
208 | delete fClusters; | |
4c510ac5 | 209 | if (muonTrack.fClusters) { |
210 | fClusters = new TClonesArray("AliESDMuonCluster",muonTrack.fClusters->GetEntriesFast()); | |
211 | AliESDMuonCluster *cluster = (AliESDMuonCluster*) muonTrack.fClusters->First(); | |
d5efea33 | 212 | while (cluster) { |
213 | new ((*fClusters)[fClusters->GetEntriesFast()]) AliESDMuonCluster(*cluster); | |
4c510ac5 | 214 | cluster = (AliESDMuonCluster*) muonTrack.fClusters->After(cluster); |
d5efea33 | 215 | } |
216 | } else fClusters = 0x0; | |
217 | ||
fe0324de | 218 | // copy of cluster Ids |
219 | if (muonTrack.fClustersId) { | |
220 | if (fClustersId) *fClustersId = *(muonTrack.fClustersId); | |
221 | else fClustersId = new TArrayI(*(muonTrack.fClustersId)); | |
222 | } else { | |
223 | delete fClustersId; | |
224 | fClustersId = 0x0; | |
225 | } | |
226 | ||
5ec1b3bc | 227 | return *this; |
228 | } | |
229 | ||
fe0324de | 230 | //__________________________________________________________________________ |
732a24fe | 231 | void AliESDMuonTrack::Copy(TObject &obj) const { |
232 | ||
67c201be | 233 | /// This overwrites the virtual TOBject::Copy() |
234 | /// to allow run time copying without casting | |
235 | /// in AliESDEvent | |
732a24fe | 236 | |
237 | if(this==&obj)return; | |
238 | AliESDMuonTrack *robj = dynamic_cast<AliESDMuonTrack*>(&obj); | |
239 | if(!robj)return; // not an AliESDMuonTrack | |
240 | *robj = *this; | |
241 | ||
242 | } | |
243 | ||
d5efea33 | 244 | //__________________________________________________________________________ |
245 | AliESDMuonTrack::~AliESDMuonTrack() | |
246 | { | |
247 | /// Destructor | |
248 | delete fClusters; | |
fe0324de | 249 | delete fClustersId; |
d5efea33 | 250 | } |
251 | ||
252 | //__________________________________________________________________________ | |
253 | void AliESDMuonTrack::Clear(Option_t* opt) | |
254 | { | |
255 | /// Clear arrays | |
fe0324de | 256 | if (opt && opt[0] == 'C') { |
257 | if (fClusters) fClusters->Clear("C"); | |
258 | } else { | |
259 | delete fClusters; fClusters = 0x0; | |
260 | } | |
261 | delete fClustersId; fClustersId = 0x0; | |
262 | fNHit = 0; | |
d5efea33 | 263 | } |
264 | ||
12186235 | 265 | //__________________________________________________________________________ |
266 | void AliESDMuonTrack::Reset() | |
267 | { | |
268 | /// Reset to default values | |
269 | SetUniqueID(0); | |
270 | fInverseBendingMomentum = FLT_MAX; | |
271 | fThetaX = 0.; | |
272 | fThetaY = 0.; | |
273 | fZ = 0.; | |
274 | fBendingCoor = 0.; | |
275 | fNonBendingCoor = 0.; | |
276 | fInverseBendingMomentumAtDCA = FLT_MAX; | |
277 | fThetaXAtDCA = 0.; | |
278 | fThetaYAtDCA = 0.; | |
279 | fBendingCoorAtDCA = 0.; | |
280 | fNonBendingCoorAtDCA = 0.; | |
281 | fInverseBendingMomentumUncorrected = FLT_MAX; | |
282 | fThetaXUncorrected = 0.; | |
283 | fThetaYUncorrected = 0.; | |
284 | fZUncorrected = 0.; | |
285 | fBendingCoorUncorrected = 0.; | |
286 | fNonBendingCoorUncorrected = 0.; | |
f43586f0 | 287 | fRAtAbsorberEnd = 0.; |
12186235 | 288 | fChi2 = 0.; |
289 | fChi2MatchTrigger = 0.; | |
290 | fLocalTrigger = 0; | |
291 | fX1Pattern = 0; | |
292 | fY1Pattern = 0; | |
293 | fX2Pattern = 0; | |
294 | fY2Pattern = 0; | |
295 | fX3Pattern = 0; | |
296 | fY3Pattern = 0; | |
297 | fX4Pattern = 0; | |
298 | fY4Pattern = 0; | |
299 | fMuonClusterMap = 0; | |
300 | fHitsPatternInTrigCh = 0; | |
0a2dcc83 | 301 | fHitsPatternInTrigChTrk = 0; |
12186235 | 302 | fNHit = 0; |
303 | delete fClusters; fClusters = 0x0; | |
fe0324de | 304 | delete fClustersId; fClustersId = 0x0; |
12186235 | 305 | for (Int_t i = 0; i < 15; i++) fCovariances[i] = 0.; |
2e2d0c44 | 306 | fLabel = -1; |
daf100e1 | 307 | fESDEvent = 0; |
12186235 | 308 | } |
309 | ||
60765b06 | 310 | //_____________________________________________________________________________ |
311 | void AliESDMuonTrack::GetCovariances(TMatrixD& cov) const | |
312 | { | |
67c201be | 313 | /// return covariance matrix of uncorrected parameters |
60765b06 | 314 | cov.ResizeTo(5,5); |
315 | for (Int_t i = 0; i < 5; i++) | |
316 | for (Int_t j = 0; j <= i; j++) | |
317 | cov(i,j) = cov (j,i) = fCovariances[i*(i+1)/2 + j]; | |
318 | } | |
319 | ||
320 | //_____________________________________________________________________________ | |
321 | void AliESDMuonTrack::SetCovariances(const TMatrixD& cov) | |
322 | { | |
67c201be | 323 | /// set reduced covariance matrix of uncorrected parameters |
60765b06 | 324 | for (Int_t i = 0; i < 5; i++) |
325 | for (Int_t j = 0; j <= i; j++) | |
326 | fCovariances[i*(i+1)/2 + j] = cov(i,j); | |
327 | ||
328 | } | |
329 | ||
330 | //_____________________________________________________________________________ | |
331 | void AliESDMuonTrack::GetCovarianceXYZPxPyPz(Double_t cov[21]) const | |
332 | { | |
67c201be | 333 | /// return reduced covariance matrix of uncorrected parameters in (X,Y,Z,Px,Py,Pz) coordinate system |
334 | /// | |
335 | /// - Cov(x,x) ... : cov[0] | |
336 | /// - Cov(y,x) ... : cov[1] cov[2] | |
337 | /// - Cov(z,x) ... : cov[3] cov[4] cov[5] | |
338 | /// - Cov(px,x)... : cov[6] cov[7] cov[8] cov[9] | |
339 | /// - Cov(py,x)... : cov[10] cov[11] cov[12] cov[13] cov[14] | |
340 | /// - Cov(pz,x)... : cov[15] cov[16] cov[17] cov[18] cov[19] cov[20] | |
341 | /// | |
342 | /// Get ESD covariance matrix into a TMatrixD | |
60765b06 | 343 | TMatrixD covESD(5,5); |
344 | GetCovariances(covESD); | |
345 | ||
346 | // compute Jacobian to change the coordinate system | |
347 | // from (X,thetaX,Y,thetaY,c/pYZ) to (X,Y,Z,pX,pY,pZ) | |
348 | Double_t tanThetaX = TMath::Tan(fThetaXUncorrected); | |
349 | Double_t tanThetaY = TMath::Tan(fThetaYUncorrected); | |
350 | Double_t cosThetaX2 = TMath::Cos(fThetaXUncorrected) * TMath::Cos(fThetaXUncorrected); | |
351 | Double_t cosThetaY2 = TMath::Cos(fThetaYUncorrected) * TMath::Cos(fThetaYUncorrected); | |
352 | Double_t pZ = PzUncorrected(); | |
353 | Double_t dpZdthetaY = - fInverseBendingMomentumUncorrected * fInverseBendingMomentumUncorrected * | |
354 | pZ * pZ * pZ * tanThetaY / cosThetaY2; | |
4c510ac5 | 355 | Double_t dpZdinvpYZ = (fInverseBendingMomentumUncorrected != 0.) ? - pZ / fInverseBendingMomentumUncorrected : - FLT_MAX; |
60765b06 | 356 | TMatrixD jacob(6,5); |
357 | jacob.Zero(); | |
358 | jacob(0,0) = 1.; | |
359 | jacob(1,2) = 1.; | |
360 | jacob(3,1) = pZ / cosThetaX2; | |
361 | jacob(3,3) = dpZdthetaY * tanThetaX; | |
362 | jacob(3,4) = dpZdinvpYZ * tanThetaX; | |
363 | jacob(4,3) = dpZdthetaY * tanThetaY + pZ / cosThetaY2; | |
364 | jacob(4,4) = dpZdinvpYZ * tanThetaY; | |
365 | jacob(5,3) = dpZdthetaY; | |
366 | jacob(5,4) = dpZdinvpYZ; | |
367 | ||
368 | // compute covariance matrix in AOD coordinate system | |
369 | TMatrixD tmp(covESD,TMatrixD::kMultTranspose,jacob); | |
370 | TMatrixD covAOD(jacob,TMatrixD::kMult,tmp); | |
371 | ||
372 | // Get AOD covariance matrix into co[21] | |
373 | for (Int_t i = 0; i < 6; i++) | |
374 | for (Int_t j = 0; j <= i; j++) | |
375 | cov[i*(i+1)/2 + j] = covAOD(i,j); | |
376 | ||
377 | } | |
378 | ||
39b8d0dd | 379 | //_____________________________________________________________________________ |
380 | Double_t AliESDMuonTrack::Px() const | |
381 | { | |
67c201be | 382 | /// return p_x from track parameters |
39b8d0dd | 383 | Double_t nonBendingSlope = TMath::Tan(fThetaX); |
384 | Double_t bendingSlope = TMath::Tan(fThetaY); | |
4c510ac5 | 385 | Double_t pYZ = (fInverseBendingMomentum != 0.) ? TMath::Abs(1. / fInverseBendingMomentum) : - FLT_MAX; |
39b8d0dd | 386 | Double_t pZ = -pYZ / TMath::Sqrt(1.0 + bendingSlope*bendingSlope); // spectro. (z<0) |
387 | return pZ * nonBendingSlope; | |
388 | } | |
389 | ||
390 | //_____________________________________________________________________________ | |
391 | Double_t AliESDMuonTrack::Py() const | |
392 | { | |
67c201be | 393 | /// return p_y from track parameters |
39b8d0dd | 394 | Double_t bendingSlope = TMath::Tan(fThetaY); |
4c510ac5 | 395 | Double_t pYZ = (fInverseBendingMomentum != 0.) ? TMath::Abs(1. / fInverseBendingMomentum) : - FLT_MAX; |
39b8d0dd | 396 | Double_t pZ = -pYZ / TMath::Sqrt(1.0 + bendingSlope*bendingSlope); // spectro. (z<0) |
397 | return pZ * bendingSlope; | |
398 | } | |
399 | ||
400 | //_____________________________________________________________________________ | |
401 | Double_t AliESDMuonTrack::Pz() const | |
402 | { | |
67c201be | 403 | /// return p_z from track parameters |
39b8d0dd | 404 | Double_t bendingSlope = TMath::Tan(fThetaY); |
4c510ac5 | 405 | Double_t pYZ = (fInverseBendingMomentum != 0.) ? TMath::Abs(1. / fInverseBendingMomentum) : - FLT_MAX; |
39b8d0dd | 406 | return -pYZ / TMath::Sqrt(1.0 + bendingSlope*bendingSlope); // spectro. (z<0) |
407 | } | |
408 | ||
409 | //_____________________________________________________________________________ | |
410 | Double_t AliESDMuonTrack::P() const | |
411 | { | |
67c201be | 412 | /// return p from track parameters |
39b8d0dd | 413 | Double_t nonBendingSlope = TMath::Tan(fThetaX); |
414 | Double_t bendingSlope = TMath::Tan(fThetaY); | |
4c510ac5 | 415 | Double_t pYZ = (fInverseBendingMomentum != 0.) ? TMath::Abs(1. / fInverseBendingMomentum) : - FLT_MAX; |
39b8d0dd | 416 | Double_t pZ = -pYZ / TMath::Sqrt(1.0 + bendingSlope*bendingSlope); // spectro. (z<0) |
417 | return -pZ * TMath::Sqrt(1.0 + bendingSlope*bendingSlope + nonBendingSlope*nonBendingSlope); | |
418 | } | |
419 | ||
420 | //_____________________________________________________________________________ | |
421 | void AliESDMuonTrack::LorentzP(TLorentzVector& vP) const | |
422 | { | |
67c201be | 423 | /// return Lorentz momentum vector from track parameters |
60765b06 | 424 | Double_t muonMass = M(); |
39b8d0dd | 425 | Double_t nonBendingSlope = TMath::Tan(fThetaX); |
426 | Double_t bendingSlope = TMath::Tan(fThetaY); | |
4c510ac5 | 427 | Double_t pYZ = (fInverseBendingMomentum != 0.) ? TMath::Abs(1. / fInverseBendingMomentum) : - FLT_MAX; |
39b8d0dd | 428 | Double_t pZ = -pYZ / TMath::Sqrt(1.0 + bendingSlope*bendingSlope); // spectro. (z<0) |
429 | Double_t pX = pZ * nonBendingSlope; | |
430 | Double_t pY = pZ * bendingSlope; | |
431 | Double_t e = TMath::Sqrt(muonMass*muonMass + pX*pX + pY*pY + pZ*pZ); | |
432 | vP.SetPxPyPzE(pX, pY, pZ, e); | |
433 | } | |
434 | ||
d5efea33 | 435 | //_____________________________________________________________________________ |
436 | Double_t AliESDMuonTrack::PxAtDCA() const | |
437 | { | |
67c201be | 438 | /// return p_x from track parameters |
d5efea33 | 439 | Double_t nonBendingSlope = TMath::Tan(fThetaXAtDCA); |
440 | Double_t bendingSlope = TMath::Tan(fThetaYAtDCA); | |
4c510ac5 | 441 | Double_t pYZ = (fInverseBendingMomentumAtDCA != 0.) ? TMath::Abs(1. / fInverseBendingMomentumAtDCA) : - FLT_MAX; |
d5efea33 | 442 | Double_t pZ = -pYZ / TMath::Sqrt(1.0 + bendingSlope*bendingSlope); // spectro. (z<0) |
443 | return pZ * nonBendingSlope; | |
444 | } | |
445 | ||
446 | //_____________________________________________________________________________ | |
447 | Double_t AliESDMuonTrack::PyAtDCA() const | |
448 | { | |
67c201be | 449 | /// return p_y from track parameters |
d5efea33 | 450 | Double_t bendingSlope = TMath::Tan(fThetaYAtDCA); |
4c510ac5 | 451 | Double_t pYZ = (fInverseBendingMomentumAtDCA != 0.) ? TMath::Abs(1. / fInverseBendingMomentumAtDCA) : - FLT_MAX; |
d5efea33 | 452 | Double_t pZ = -pYZ / TMath::Sqrt(1.0 + bendingSlope*bendingSlope); // spectro. (z<0) |
453 | return pZ * bendingSlope; | |
454 | } | |
455 | ||
456 | //_____________________________________________________________________________ | |
457 | Double_t AliESDMuonTrack::PzAtDCA() const | |
458 | { | |
67c201be | 459 | /// return p_z from track parameters |
d5efea33 | 460 | Double_t bendingSlope = TMath::Tan(fThetaYAtDCA); |
4c510ac5 | 461 | Double_t pYZ = (fInverseBendingMomentumAtDCA != 0.) ? TMath::Abs(1. / fInverseBendingMomentumAtDCA) : - FLT_MAX; |
d5efea33 | 462 | return -pYZ / TMath::Sqrt(1.0 + bendingSlope*bendingSlope); // spectro. (z<0) |
463 | } | |
464 | ||
465 | //_____________________________________________________________________________ | |
466 | Double_t AliESDMuonTrack::PAtDCA() const | |
467 | { | |
67c201be | 468 | /// return p from track parameters |
d5efea33 | 469 | Double_t nonBendingSlope = TMath::Tan(fThetaXAtDCA); |
470 | Double_t bendingSlope = TMath::Tan(fThetaYAtDCA); | |
4c510ac5 | 471 | Double_t pYZ = (fInverseBendingMomentumAtDCA != 0.) ? TMath::Abs(1. / fInverseBendingMomentumAtDCA) : - FLT_MAX; |
d5efea33 | 472 | Double_t pZ = -pYZ / TMath::Sqrt(1.0 + bendingSlope*bendingSlope); // spectro. (z<0) |
473 | return -pZ * TMath::Sqrt(1.0 + bendingSlope*bendingSlope + nonBendingSlope*nonBendingSlope); | |
474 | } | |
475 | ||
476 | //_____________________________________________________________________________ | |
477 | void AliESDMuonTrack::LorentzPAtDCA(TLorentzVector& vP) const | |
478 | { | |
67c201be | 479 | /// return Lorentz momentum vector from track parameters |
d5efea33 | 480 | Double_t muonMass = M(); |
481 | Double_t nonBendingSlope = TMath::Tan(fThetaXAtDCA); | |
482 | Double_t bendingSlope = TMath::Tan(fThetaYAtDCA); | |
4c510ac5 | 483 | Double_t pYZ = (fInverseBendingMomentumAtDCA != 0.) ? TMath::Abs(1. / fInverseBendingMomentumAtDCA) : - FLT_MAX; |
d5efea33 | 484 | Double_t pZ = -pYZ / TMath::Sqrt(1.0 + bendingSlope*bendingSlope); // spectro. (z<0) |
485 | Double_t pX = pZ * nonBendingSlope; | |
486 | Double_t pY = pZ * bendingSlope; | |
487 | Double_t e = TMath::Sqrt(muonMass*muonMass + pX*pX + pY*pY + pZ*pZ); | |
488 | vP.SetPxPyPzE(pX, pY, pZ, e); | |
489 | } | |
490 | ||
39b8d0dd | 491 | //_____________________________________________________________________________ |
492 | Double_t AliESDMuonTrack::PxUncorrected() const | |
493 | { | |
67c201be | 494 | /// return p_x from track parameters |
39b8d0dd | 495 | Double_t nonBendingSlope = TMath::Tan(fThetaXUncorrected); |
496 | Double_t bendingSlope = TMath::Tan(fThetaYUncorrected); | |
4c510ac5 | 497 | Double_t pYZ = (fInverseBendingMomentumUncorrected != 0.) ? TMath::Abs(1. / fInverseBendingMomentumUncorrected) : - FLT_MAX; |
39b8d0dd | 498 | Double_t pZ = -pYZ / TMath::Sqrt(1.0 + bendingSlope*bendingSlope); // spectro. (z<0) |
499 | return pZ * nonBendingSlope; | |
500 | } | |
501 | ||
502 | //_____________________________________________________________________________ | |
503 | Double_t AliESDMuonTrack::PyUncorrected() const | |
504 | { | |
67c201be | 505 | /// return p_y from track parameters |
39b8d0dd | 506 | Double_t bendingSlope = TMath::Tan(fThetaYUncorrected); |
4c510ac5 | 507 | Double_t pYZ = (fInverseBendingMomentumUncorrected != 0.) ? TMath::Abs(1. / fInverseBendingMomentumUncorrected) : - FLT_MAX; |
39b8d0dd | 508 | Double_t pZ = -pYZ / TMath::Sqrt(1.0 + bendingSlope*bendingSlope); // spectro. (z<0) |
509 | return pZ * bendingSlope; | |
510 | } | |
511 | ||
512 | //_____________________________________________________________________________ | |
513 | Double_t AliESDMuonTrack::PzUncorrected() const | |
514 | { | |
67c201be | 515 | /// return p_z from track parameters |
39b8d0dd | 516 | Double_t bendingSlope = TMath::Tan(fThetaYUncorrected); |
4c510ac5 | 517 | Double_t pYZ = (fInverseBendingMomentumUncorrected != 0.) ? TMath::Abs(1. / fInverseBendingMomentumUncorrected) : - FLT_MAX; |
39b8d0dd | 518 | return -pYZ / TMath::Sqrt(1.0 + bendingSlope*bendingSlope); // spectro. (z<0) |
519 | } | |
520 | ||
521 | //_____________________________________________________________________________ | |
522 | Double_t AliESDMuonTrack::PUncorrected() const | |
523 | { | |
67c201be | 524 | /// return p from track parameters |
39b8d0dd | 525 | Double_t nonBendingSlope = TMath::Tan(fThetaXUncorrected); |
526 | Double_t bendingSlope = TMath::Tan(fThetaYUncorrected); | |
4c510ac5 | 527 | Double_t pYZ = (fInverseBendingMomentumUncorrected != 0.) ? TMath::Abs(1. / fInverseBendingMomentumUncorrected) : - FLT_MAX; |
39b8d0dd | 528 | Double_t pZ = -pYZ / TMath::Sqrt(1.0 + bendingSlope*bendingSlope); // spectro. (z<0) |
529 | return -pZ * TMath::Sqrt(1.0 + bendingSlope*bendingSlope + nonBendingSlope*nonBendingSlope); | |
530 | } | |
531 | ||
532 | //_____________________________________________________________________________ | |
533 | void AliESDMuonTrack::LorentzPUncorrected(TLorentzVector& vP) const | |
534 | { | |
67c201be | 535 | /// return Lorentz momentum vector from track parameters |
60765b06 | 536 | Double_t muonMass = M(); |
39b8d0dd | 537 | Double_t nonBendingSlope = TMath::Tan(fThetaXUncorrected); |
538 | Double_t bendingSlope = TMath::Tan(fThetaYUncorrected); | |
4c510ac5 | 539 | Double_t pYZ = (fInverseBendingMomentumUncorrected != 0.) ? TMath::Abs(1. / fInverseBendingMomentumUncorrected) : - FLT_MAX; |
39b8d0dd | 540 | Double_t pZ = -pYZ / TMath::Sqrt(1.0 + bendingSlope*bendingSlope); // spectro. (z<0) |
541 | Double_t pX = pZ * nonBendingSlope; | |
542 | Double_t pY = pZ * bendingSlope; | |
543 | Double_t e = TMath::Sqrt(muonMass*muonMass + pX*pX + pY*pY + pZ*pZ); | |
544 | vP.SetPxPyPzE(pX, pY, pZ, e); | |
545 | } | |
672b5f43 | 546 | |
e0ab39d2 | 547 | //_____________________________________________________________________________ |
548 | Int_t AliESDMuonTrack::GetNDF() const | |
549 | { | |
550 | /// return the number of degrees of freedom | |
551 | ||
552 | Int_t ndf = 2 * static_cast<Int_t>(fNHit) - 5; | |
553 | return (ndf > 0) ? ndf : 0; | |
554 | } | |
555 | ||
556 | //_____________________________________________________________________________ | |
557 | Double_t AliESDMuonTrack::GetNormalizedChi2() const | |
558 | { | |
559 | /// return the chi2 value divided by the number of degrees of freedom | |
560 | ||
561 | Int_t ndf = GetNDF(); | |
562 | return (ndf > 0) ? fChi2 / static_cast<Double_t>(ndf) : 0.; | |
563 | } | |
564 | ||
423b32ca | 565 | //_____________________________________________________________________________ |
566 | Int_t AliESDMuonTrack::GetMatchTrigger() const | |
567 | { | |
67c201be | 568 | /// backward compatibility after replacing fMatchTrigger by fLocalTrigger |
569 | /// - 0 track does not match trigger | |
570 | /// - 1 track match but does not pass pt cut | |
571 | /// - 2 track match Low pt cut | |
572 | /// - 3 track match High pt cut | |
423b32ca | 573 | |
01413742 | 574 | if (!LoCircuit()) { |
423b32ca | 575 | return 0; |
576 | } else if (LoLpt() == 0 && LoHpt() == 0) { | |
577 | return 1; | |
578 | } else if (LoLpt() > 0 && LoHpt() == 0) { | |
579 | return 2; | |
580 | } else { | |
581 | return 3; | |
582 | } | |
583 | ||
584 | } | |
585 | ||
2200238e | 586 | //_____________________________________________________________________________ |
0a2dcc83 | 587 | Bool_t AliESDMuonTrack::MatchTriggerDigits(Bool_t fromTrack) const |
2200238e | 588 | { |
ad30e3df | 589 | /// return kTRUE if the track matches a digit on both planes of at least 2 trigger chambers |
2200238e | 590 | |
0a2dcc83 | 591 | UShort_t pattern = ( fromTrack ) ? fHitsPatternInTrigChTrk : fHitsPatternInTrigCh; |
2200238e | 592 | Int_t nMatchedChambers = 0; |
593 | for (Int_t ich=0; ich<4; ich++) | |
0a2dcc83 | 594 | if (IsChamberHit(pattern, 0, ich) && |
595 | IsChamberHit(pattern, 1, ich)) nMatchedChambers++; | |
2200238e | 596 | |
597 | return (nMatchedChambers >= 2); | |
598 | } | |
599 | ||
ad30e3df | 600 | //_____________________________________________________________________________ |
601 | Int_t AliESDMuonTrack::GetMuonTrigDevSign() const | |
602 | { | |
603 | /// Sign of the deviation provided by trigger | |
604 | Int_t deviation = LoDev(); | |
605 | if ( deviation > 15 ) return 1; | |
606 | else if ( deviation < 15 ) return -1; | |
607 | else return 0; | |
608 | } | |
609 | ||
4c510ac5 | 610 | //_____________________________________________________________________________ |
fe0324de | 611 | void AliESDMuonTrack::AddClusterId(UInt_t clusterId) |
4c510ac5 | 612 | { |
fe0324de | 613 | /// add the given cluster Id to the list associated to the track |
614 | if (!fClustersId) fClustersId = new TArrayI(5); | |
615 | if (fClustersId->GetSize() <= fNHit) fClustersId->Set(fNHit+1); | |
616 | fClustersId->AddAt(static_cast<Int_t>(clusterId), fNHit++); | |
4c510ac5 | 617 | } |
618 | ||
d5efea33 | 619 | //_____________________________________________________________________________ |
fe0324de | 620 | void AliESDMuonTrack::MoveClustersToESD(AliESDEvent &esd) |
d5efea33 | 621 | { |
fe0324de | 622 | /// move the clusters (and attached pads) to the new ESD structure |
623 | if (!fClusters) return; | |
624 | fNHit = 0; | |
625 | for (Int_t i = 0; i < fClusters->GetEntriesFast(); i++) { | |
626 | AliESDMuonCluster *cluster = static_cast<AliESDMuonCluster*>(fClusters->UncheckedAt(i)); | |
627 | cluster->MovePadsToESD(esd); | |
628 | AliESDMuonCluster *newCluster = esd.NewMuonCluster(); | |
629 | *newCluster = *cluster; | |
630 | AddClusterId(newCluster->GetUniqueID()); | |
631 | } | |
632 | delete fClusters; | |
633 | fClusters = 0x0; | |
d5efea33 | 634 | } |
635 | ||
67c201be | 636 | //_____________________________________________________________________________ |
0a2dcc83 | 637 | void AliESDMuonTrack::SetFiredChamber(UInt_t& pattern, Int_t cathode, Int_t chamber) |
67c201be | 638 | { |
639 | /// Turn on the bit corresponding to fired chameber | |
640 | pattern |= (0x1 << ( 7 - ( 4*cathode + chamber ))); | |
641 | } | |
642 | ||
643 | //_____________________________________________________________________________ | |
0a2dcc83 | 644 | void AliESDMuonTrack::AddEffInfo(UInt_t& pattern, Int_t slatOrInfo, Int_t board, EAliTriggerChPatternFlag effType) |
67c201be | 645 | { |
646 | /// Add efficiency flag and crossed RPC or info on rejected track | |
663c54d6 | 647 | if ( slatOrInfo > 0x1F ) { |
648 | AliErrorClass(Form("slatOrInfo is 0x%x should be at most 0x1f",slatOrInfo)); | |
649 | return; | |
650 | } | |
651 | if ( board > 242 ) { | |
652 | AliErrorClass(Form("board is %i should be at most 242",board)); | |
653 | return; | |
654 | } | |
655 | if ( effType > 0x3 ) { | |
656 | AliErrorClass(Form("effType is 0x%x should be at most 0x3",effType)); | |
657 | return; | |
658 | } | |
67c201be | 659 | pattern |= effType << 8; |
660 | pattern |= slatOrInfo << 10; | |
0a2dcc83 | 661 | pattern |= board << 15; |
67c201be | 662 | } |
663 | ||
664 | //_____________________________________________________________________________ | |
0a2dcc83 | 665 | Bool_t AliESDMuonTrack::IsChamberHit(UInt_t pattern, Int_t cathode, Int_t chamber) |
67c201be | 666 | { |
667 | /// Check if chamber was was hit | |
668 | return (pattern >> (7 - ( 4*cathode + chamber ))) & 0x1; | |
669 | } | |
670 | ||
671 | //_____________________________________________________________________________ | |
0a2dcc83 | 672 | Int_t AliESDMuonTrack::GetEffFlag(UInt_t pattern) |
67c201be | 673 | { |
674 | /// Get Efficiency flag | |
663c54d6 | 675 | return (pattern >> 8) & 0x3; |
67c201be | 676 | } |
677 | ||
678 | //_____________________________________________________________________________ | |
0a2dcc83 | 679 | Int_t AliESDMuonTrack::GetSlatOrInfo(UInt_t pattern) |
67c201be | 680 | { |
681 | /// Getting crossed slat or info | |
682 | return (pattern >> 10) & 0x1F; | |
683 | } | |
0a2dcc83 | 684 | |
685 | //_____________________________________________________________________________ | |
686 | Int_t AliESDMuonTrack::GetCrossedBoard(UInt_t pattern) | |
687 | { | |
688 | /// Getting crossed board | |
689 | return ( pattern >> 15 ) & 0xFF; | |
690 | } | |
ad30e3df | 691 | |
692 | ||
693 | //_____________________________________________________________________________ | |
694 | void AliESDMuonTrack::AddMuonTrigDevSignInfo ( UInt_t &pattern ) const | |
695 | { | |
696 | /// Add trigger deviation sign info to pattern | |
697 | /// The info is stored in the 2 most significant digit: | |
698 | /// info<<30 | |
699 | /// The information is: | |
700 | /// 0x0 => no information present | |
701 | /// 0x1 => negative deviation | |
702 | /// 0x2 => undetermined sign | |
703 | /// 0x3 => positive deviation | |
704 | ||
705 | // First clean bits | |
706 | pattern &= 0x3FFFFFFF; | |
707 | // Then add info | |
708 | UInt_t info = ((UInt_t)(GetMuonTrigDevSign()+2)&0x3)<<30; | |
709 | pattern |= info; | |
710 | } |