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73318471 | 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 * | |
74687314 | 8 | * documentation strictly for non-commercial purposes is hereby granted * |
73318471 | 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: AliESDtrackCuts.cxx 24534 2008-03-16 22:22:11Z fca $ */ | |
17 | ||
18 | #include "AliESDtrackCuts.h" | |
19 | ||
20 | #include <AliESDtrack.h> | |
91c88f16 | 21 | #include <AliESDVertex.h> |
73318471 | 22 | #include <AliESDEvent.h> |
a61ab805 | 23 | #include <AliMultiplicity.h> |
73318471 | 24 | #include <AliLog.h> |
25 | ||
26 | #include <TTree.h> | |
27 | #include <TCanvas.h> | |
28 | #include <TDirectory.h> | |
d95684c0 | 29 | #include <TH2F.h> |
30 | #include <TF1.h> | |
73318471 | 31 | |
32 | //____________________________________________________________________ | |
33 | ClassImp(AliESDtrackCuts) | |
34 | ||
35 | // Cut names | |
36 | const Char_t* AliESDtrackCuts::fgkCutNames[kNCuts] = { | |
37 | "require TPC refit", | |
a86cf7f4 | 38 | "require TPC standalone", |
73318471 | 39 | "require ITS refit", |
40 | "n clusters TPC", | |
41 | "n clusters ITS", | |
86f0e195 | 42 | "#Chi^{2}/cluster TPC", |
43 | "#Chi^{2}/cluster ITS", | |
73318471 | 44 | "cov 11", |
45 | "cov 22", | |
46 | "cov 33", | |
47 | "cov 44", | |
48 | "cov 55", | |
49 | "trk-to-vtx", | |
50 | "trk-to-vtx failed", | |
51 | "kink daughters", | |
52 | "p", | |
53 | "p_{T}", | |
54 | "p_{x}", | |
55 | "p_{y}", | |
56 | "p_{z}", | |
524916f0 | 57 | "eta", |
86f0e195 | 58 | "y", |
133a5e00 | 59 | "trk-to-vtx max dca 2D absolute", |
60 | "trk-to-vtx max dca xy absolute", | |
61 | "trk-to-vtx max dca z absolute", | |
62 | "trk-to-vtx min dca 2D absolute", | |
63 | "trk-to-vtx min dca xy absolute", | |
64 | "trk-to-vtx min dca z absolute", | |
94c06b89 | 65 | "SPD cluster requirement", |
66 | "SDD cluster requirement", | |
d95684c0 | 67 | "SSD cluster requirement", |
025fb458 | 68 | "require ITS stand-alone", |
0274b76f | 69 | "rel 1/pt uncertainty", |
ecd4e3ba | 70 | "TPC n shared clusters", |
71 | "TPC rel shared clusters", | |
07b1b131 | 72 | "require ITS Pid", |
73 | "n crossed rows TPC", | |
74 | "n crossed rows / n findable clusters", | |
4c3dc2a0 | 75 | "missing ITS points", |
76 | "#Chi^{2} TPC constrained vs. global" | |
73318471 | 77 | }; |
78 | ||
a61ab805 | 79 | AliESDtrackCuts* AliESDtrackCuts::fgMultEstTrackCuts[AliESDtrackCuts::kNMultEstTrackCuts] = { 0, 0, 0, 0 }; |
80 | ||
73318471 | 81 | //____________________________________________________________________ |
82 | AliESDtrackCuts::AliESDtrackCuts(const Char_t* name, const Char_t* title) : AliAnalysisCuts(name,title), | |
83 | fCutMinNClusterTPC(0), | |
84 | fCutMinNClusterITS(0), | |
07b1b131 | 85 | fCutMinNCrossedRowsTPC(0), |
86 | fCutMinRatioCrossedRowsOverFindableClustersTPC(0), | |
c11bb29c | 87 | f1CutMinNClustersTPCPtDep(0x0), |
88 | fCutMaxPtDepNClustersTPC(0), | |
73318471 | 89 | fCutMaxChi2PerClusterTPC(0), |
90 | fCutMaxChi2PerClusterITS(0), | |
4c3dc2a0 | 91 | fCutMaxChi2TPCConstrainedVsGlobal(0), |
92 | fCutMaxChi2TPCConstrainedVsGlobalVertexType(kVertexTracks | kVertexSPD), | |
9023d7ac | 93 | fCutMaxMissingITSPoints(0), |
73318471 | 94 | fCutMaxC11(0), |
95 | fCutMaxC22(0), | |
96 | fCutMaxC33(0), | |
97 | fCutMaxC44(0), | |
98 | fCutMaxC55(0), | |
025fb458 | 99 | fCutMaxRel1PtUncertainty(0), |
73318471 | 100 | fCutAcceptKinkDaughters(0), |
3128582b | 101 | fCutAcceptSharedTPCClusters(0), |
102 | fCutMaxFractionSharedTPCClusters(0), | |
73318471 | 103 | fCutRequireTPCRefit(0), |
a86cf7f4 | 104 | fCutRequireTPCStandAlone(0), |
0274b76f | 105 | fCutRequireITSRefit(0), |
106 | fCutRequireITSPid(0), | |
d95684c0 | 107 | fCutRequireITSStandAlone(0), |
0274b76f | 108 | fCutRequireITSpureSA(0), |
73318471 | 109 | fCutNsigmaToVertex(0), |
110 | fCutSigmaToVertexRequired(0), | |
133a5e00 | 111 | fCutMaxDCAToVertexXY(0), |
112 | fCutMaxDCAToVertexZ(0), | |
113 | fCutMinDCAToVertexXY(0), | |
114 | fCutMinDCAToVertexZ(0), | |
f4e7aa32 | 115 | fCutMaxDCAToVertexXYPtDep(""), |
116 | fCutMaxDCAToVertexZPtDep(""), | |
117 | fCutMinDCAToVertexXYPtDep(""), | |
118 | fCutMinDCAToVertexZPtDep(""), | |
f328399b | 119 | f1CutMaxDCAToVertexXYPtDep(0x0), |
120 | f1CutMaxDCAToVertexZPtDep(0x0), | |
121 | f1CutMinDCAToVertexXYPtDep(0x0), | |
122 | f1CutMinDCAToVertexZPtDep(0x0), | |
86f0e195 | 123 | fCutDCAToVertex2D(0), |
73318471 | 124 | fPMin(0), |
125 | fPMax(0), | |
126 | fPtMin(0), | |
127 | fPtMax(0), | |
128 | fPxMin(0), | |
129 | fPxMax(0), | |
130 | fPyMin(0), | |
131 | fPyMax(0), | |
132 | fPzMin(0), | |
133 | fPzMax(0), | |
134 | fEtaMin(0), | |
135 | fEtaMax(0), | |
136 | fRapMin(0), | |
137 | fRapMax(0), | |
138 | fHistogramsOn(0), | |
139 | ffDTheoretical(0), | |
140 | fhCutStatistics(0), | |
141 | fhCutCorrelation(0) | |
142 | { | |
143 | // | |
144 | // constructor | |
145 | // | |
146 | ||
147 | Init(); | |
148 | ||
149 | //############################################################################## | |
150 | // setting default cuts | |
151 | SetMinNClustersTPC(); | |
152 | SetMinNClustersITS(); | |
07b1b131 | 153 | SetMinNCrossedRowsTPC(); |
154 | SetMinRatioCrossedRowsOverFindableClustersTPC(); | |
73318471 | 155 | SetMaxChi2PerClusterTPC(); |
4c3dc2a0 | 156 | SetMaxChi2PerClusterITS(); |
157 | SetMaxChi2TPCConstrainedGlobal(); | |
158 | SetMaxChi2TPCConstrainedGlobalVertexType(); | |
9023d7ac | 159 | SetMaxNOfMissingITSPoints(); |
025fb458 | 160 | SetMaxCovDiagonalElements(); |
161 | SetMaxRel1PtUncertainty(); | |
73318471 | 162 | SetRequireTPCRefit(); |
a86cf7f4 | 163 | SetRequireTPCStandAlone(); |
73318471 | 164 | SetRequireITSRefit(); |
0274b76f | 165 | SetRequireITSPid(kFALSE); |
d95684c0 | 166 | SetRequireITSStandAlone(kFALSE); |
0274b76f | 167 | SetRequireITSPureStandAlone(kFALSE); |
58c4f3fb | 168 | SetAcceptKinkDaughters(); |
ecd4e3ba | 169 | SetAcceptSharedTPCClusters(); |
170 | SetMaxFractionSharedTPCClusters(); | |
94c06b89 | 171 | SetMaxNsigmaToVertex(); |
94c06b89 | 172 | SetMaxDCAToVertexXY(); |
173 | SetMaxDCAToVertexZ(); | |
86f0e195 | 174 | SetDCAToVertex2D(); |
133a5e00 | 175 | SetMinDCAToVertexXY(); |
176 | SetMinDCAToVertexZ(); | |
73318471 | 177 | SetPRange(); |
178 | SetPtRange(); | |
179 | SetPxRange(); | |
180 | SetPyRange(); | |
181 | SetPzRange(); | |
182 | SetEtaRange(); | |
183 | SetRapRange(); | |
94c06b89 | 184 | SetClusterRequirementITS(kSPD); |
185 | SetClusterRequirementITS(kSDD); | |
186 | SetClusterRequirementITS(kSSD); | |
73318471 | 187 | |
188 | SetHistogramsOn(); | |
189 | } | |
190 | ||
191 | //_____________________________________________________________________________ | |
192 | AliESDtrackCuts::AliESDtrackCuts(const AliESDtrackCuts &c) : AliAnalysisCuts(c), | |
193 | fCutMinNClusterTPC(0), | |
194 | fCutMinNClusterITS(0), | |
07b1b131 | 195 | fCutMinNCrossedRowsTPC(0), |
196 | fCutMinRatioCrossedRowsOverFindableClustersTPC(0), | |
c11bb29c | 197 | f1CutMinNClustersTPCPtDep(0x0), |
198 | fCutMaxPtDepNClustersTPC(0), | |
73318471 | 199 | fCutMaxChi2PerClusterTPC(0), |
200 | fCutMaxChi2PerClusterITS(0), | |
4c3dc2a0 | 201 | fCutMaxChi2TPCConstrainedVsGlobal(0), |
202 | fCutMaxChi2TPCConstrainedVsGlobalVertexType(kVertexTracks | kVertexSPD), | |
9023d7ac | 203 | fCutMaxMissingITSPoints(0), |
73318471 | 204 | fCutMaxC11(0), |
205 | fCutMaxC22(0), | |
206 | fCutMaxC33(0), | |
207 | fCutMaxC44(0), | |
208 | fCutMaxC55(0), | |
025fb458 | 209 | fCutMaxRel1PtUncertainty(0), |
73318471 | 210 | fCutAcceptKinkDaughters(0), |
3128582b | 211 | fCutAcceptSharedTPCClusters(0), |
212 | fCutMaxFractionSharedTPCClusters(0), | |
73318471 | 213 | fCutRequireTPCRefit(0), |
a86cf7f4 | 214 | fCutRequireTPCStandAlone(0), |
73318471 | 215 | fCutRequireITSRefit(0), |
0274b76f | 216 | fCutRequireITSPid(0), |
d95684c0 | 217 | fCutRequireITSStandAlone(0), |
0274b76f | 218 | fCutRequireITSpureSA(0), |
73318471 | 219 | fCutNsigmaToVertex(0), |
220 | fCutSigmaToVertexRequired(0), | |
133a5e00 | 221 | fCutMaxDCAToVertexXY(0), |
222 | fCutMaxDCAToVertexZ(0), | |
223 | fCutMinDCAToVertexXY(0), | |
224 | fCutMinDCAToVertexZ(0), | |
f4e7aa32 | 225 | fCutMaxDCAToVertexXYPtDep(""), |
226 | fCutMaxDCAToVertexZPtDep(""), | |
227 | fCutMinDCAToVertexXYPtDep(""), | |
228 | fCutMinDCAToVertexZPtDep(""), | |
f328399b | 229 | f1CutMaxDCAToVertexXYPtDep(0x0), |
230 | f1CutMaxDCAToVertexZPtDep(0x0), | |
231 | f1CutMinDCAToVertexXYPtDep(0x0), | |
232 | f1CutMinDCAToVertexZPtDep(0x0), | |
86f0e195 | 233 | fCutDCAToVertex2D(0), |
73318471 | 234 | fPMin(0), |
235 | fPMax(0), | |
236 | fPtMin(0), | |
237 | fPtMax(0), | |
238 | fPxMin(0), | |
239 | fPxMax(0), | |
240 | fPyMin(0), | |
241 | fPyMax(0), | |
242 | fPzMin(0), | |
243 | fPzMax(0), | |
244 | fEtaMin(0), | |
245 | fEtaMax(0), | |
246 | fRapMin(0), | |
247 | fRapMax(0), | |
248 | fHistogramsOn(0), | |
249 | ffDTheoretical(0), | |
250 | fhCutStatistics(0), | |
251 | fhCutCorrelation(0) | |
252 | { | |
253 | // | |
254 | // copy constructor | |
255 | // | |
256 | ||
257 | ((AliESDtrackCuts &) c).Copy(*this); | |
258 | } | |
259 | ||
260 | AliESDtrackCuts::~AliESDtrackCuts() | |
261 | { | |
262 | // | |
263 | // destructor | |
264 | // | |
265 | ||
266 | for (Int_t i=0; i<2; i++) { | |
267 | ||
268 | if (fhNClustersITS[i]) | |
269 | delete fhNClustersITS[i]; | |
270 | if (fhNClustersTPC[i]) | |
271 | delete fhNClustersTPC[i]; | |
9023d7ac | 272 | if (fhNSharedClustersTPC[i]) |
273 | delete fhNSharedClustersTPC[i]; | |
07b1b131 | 274 | if (fhNCrossedRowsTPC[i]) |
275 | delete fhNCrossedRowsTPC[i]; | |
276 | if (fhRatioCrossedRowsOverFindableClustersTPC[i]) | |
277 | delete fhRatioCrossedRowsOverFindableClustersTPC[i]; | |
73318471 | 278 | if (fhChi2PerClusterITS[i]) |
279 | delete fhChi2PerClusterITS[i]; | |
280 | if (fhChi2PerClusterTPC[i]) | |
2a35259b | 281 | delete fhChi2PerClusterTPC[i]; |
4c3dc2a0 | 282 | if (fhChi2TPCConstrainedVsGlobal[i]) |
283 | delete fhChi2TPCConstrainedVsGlobal[i]; | |
2a35259b | 284 | if(fhNClustersForITSPID[i]) |
285 | delete fhNClustersForITSPID[i]; | |
286 | if(fhNMissingITSPoints[i]) | |
287 | delete fhNMissingITSPoints[i]; | |
73318471 | 288 | if (fhC11[i]) |
289 | delete fhC11[i]; | |
290 | if (fhC22[i]) | |
291 | delete fhC22[i]; | |
292 | if (fhC33[i]) | |
293 | delete fhC33[i]; | |
294 | if (fhC44[i]) | |
295 | delete fhC44[i]; | |
296 | if (fhC55[i]) | |
025fb458 | 297 | delete fhC55[i]; |
298 | ||
299 | if (fhRel1PtUncertainty[i]) | |
300 | delete fhRel1PtUncertainty[i]; | |
73318471 | 301 | |
302 | if (fhDXY[i]) | |
303 | delete fhDXY[i]; | |
304 | if (fhDZ[i]) | |
524916f0 | 305 | delete fhDZ[i]; |
306 | if (fhDXYDZ[i]) | |
307 | delete fhDXYDZ[i]; | |
73318471 | 308 | if (fhDXYvsDZ[i]) |
524916f0 | 309 | delete fhDXYvsDZ[i]; |
310 | ||
73318471 | 311 | if (fhDXYNormalized[i]) |
312 | delete fhDXYNormalized[i]; | |
313 | if (fhDZNormalized[i]) | |
314 | delete fhDZNormalized[i]; | |
315 | if (fhDXYvsDZNormalized[i]) | |
524916f0 | 316 | delete fhDXYvsDZNormalized[i]; |
73318471 | 317 | if (fhNSigmaToVertex[i]) |
318 | delete fhNSigmaToVertex[i]; | |
319 | if (fhPt[i]) | |
320 | delete fhPt[i]; | |
321 | if (fhEta[i]) | |
322 | delete fhEta[i]; | |
323 | } | |
324 | ||
f328399b | 325 | if(f1CutMaxDCAToVertexXYPtDep)delete f1CutMaxDCAToVertexXYPtDep; |
326 | f1CutMaxDCAToVertexXYPtDep = 0; | |
327 | if( f1CutMaxDCAToVertexZPtDep) delete f1CutMaxDCAToVertexZPtDep; | |
328 | f1CutMaxDCAToVertexZPtDep = 0; | |
329 | if( f1CutMinDCAToVertexXYPtDep)delete f1CutMinDCAToVertexXYPtDep; | |
330 | f1CutMinDCAToVertexXYPtDep = 0; | |
331 | if(f1CutMinDCAToVertexZPtDep)delete f1CutMinDCAToVertexZPtDep; | |
332 | f1CutMinDCAToVertexZPtDep = 0; | |
333 | ||
334 | ||
73318471 | 335 | if (ffDTheoretical) |
336 | delete ffDTheoretical; | |
337 | ||
338 | if (fhCutStatistics) | |
339 | delete fhCutStatistics; | |
340 | if (fhCutCorrelation) | |
c11bb29c | 341 | delete fhCutCorrelation; |
342 | ||
343 | if(f1CutMinNClustersTPCPtDep) | |
344 | delete f1CutMinNClustersTPCPtDep; | |
345 | ||
73318471 | 346 | } |
347 | ||
348 | void AliESDtrackCuts::Init() | |
349 | { | |
350 | // | |
351 | // sets everything to zero | |
352 | // | |
353 | ||
354 | fCutMinNClusterTPC = 0; | |
355 | fCutMinNClusterITS = 0; | |
356 | ||
357 | fCutMaxChi2PerClusterTPC = 0; | |
358 | fCutMaxChi2PerClusterITS = 0; | |
4c3dc2a0 | 359 | fCutMaxChi2TPCConstrainedVsGlobal = 0; |
360 | fCutMaxChi2TPCConstrainedVsGlobalVertexType = kVertexTracks | kVertexSPD; | |
9023d7ac | 361 | fCutMaxMissingITSPoints = 0; |
94c06b89 | 362 | |
363 | for (Int_t i = 0; i < 3; i++) | |
364 | fCutClusterRequirementITS[i] = kOff; | |
73318471 | 365 | |
366 | fCutMaxC11 = 0; | |
367 | fCutMaxC22 = 0; | |
368 | fCutMaxC33 = 0; | |
369 | fCutMaxC44 = 0; | |
370 | fCutMaxC55 = 0; | |
025fb458 | 371 | |
372 | fCutMaxRel1PtUncertainty = 0; | |
73318471 | 373 | |
374 | fCutAcceptKinkDaughters = 0; | |
3128582b | 375 | fCutAcceptSharedTPCClusters = 0; |
376 | fCutMaxFractionSharedTPCClusters = 0; | |
73318471 | 377 | fCutRequireTPCRefit = 0; |
a86cf7f4 | 378 | fCutRequireTPCStandAlone = 0; |
73318471 | 379 | fCutRequireITSRefit = 0; |
0274b76f | 380 | fCutRequireITSPid = 0; |
d95684c0 | 381 | fCutRequireITSStandAlone = 0; |
0274b76f | 382 | fCutRequireITSpureSA = 0; |
73318471 | 383 | |
384 | fCutNsigmaToVertex = 0; | |
385 | fCutSigmaToVertexRequired = 0; | |
133a5e00 | 386 | fCutMaxDCAToVertexXY = 0; |
387 | fCutMaxDCAToVertexZ = 0; | |
86f0e195 | 388 | fCutDCAToVertex2D = 0; |
133a5e00 | 389 | fCutMinDCAToVertexXY = 0; |
390 | fCutMinDCAToVertexZ = 0; | |
f4e7aa32 | 391 | fCutMaxDCAToVertexXYPtDep = ""; |
392 | fCutMaxDCAToVertexZPtDep = ""; | |
393 | fCutMinDCAToVertexXYPtDep = ""; | |
394 | fCutMinDCAToVertexZPtDep = ""; | |
133a5e00 | 395 | |
f328399b | 396 | if(f1CutMaxDCAToVertexXYPtDep)delete f1CutMaxDCAToVertexXYPtDep; |
397 | f1CutMaxDCAToVertexXYPtDep = 0; | |
398 | if( f1CutMaxDCAToVertexXYPtDep) delete f1CutMaxDCAToVertexXYPtDep; | |
399 | f1CutMaxDCAToVertexXYPtDep = 0; | |
400 | if( f1CutMaxDCAToVertexZPtDep) delete f1CutMaxDCAToVertexZPtDep; | |
401 | f1CutMaxDCAToVertexZPtDep = 0; | |
402 | if( f1CutMinDCAToVertexXYPtDep)delete f1CutMinDCAToVertexXYPtDep; | |
403 | f1CutMinDCAToVertexXYPtDep = 0; | |
404 | if(f1CutMinDCAToVertexZPtDep)delete f1CutMinDCAToVertexZPtDep; | |
405 | f1CutMinDCAToVertexZPtDep = 0; | |
406 | ||
86f0e195 | 407 | |
73318471 | 408 | fPMin = 0; |
409 | fPMax = 0; | |
410 | fPtMin = 0; | |
411 | fPtMax = 0; | |
412 | fPxMin = 0; | |
413 | fPxMax = 0; | |
414 | fPyMin = 0; | |
415 | fPyMax = 0; | |
416 | fPzMin = 0; | |
417 | fPzMax = 0; | |
418 | fEtaMin = 0; | |
419 | fEtaMax = 0; | |
420 | fRapMin = 0; | |
421 | fRapMax = 0; | |
422 | ||
423 | fHistogramsOn = kFALSE; | |
424 | ||
425 | for (Int_t i=0; i<2; ++i) | |
426 | { | |
427 | fhNClustersITS[i] = 0; | |
428 | fhNClustersTPC[i] = 0; | |
9023d7ac | 429 | fhNSharedClustersTPC[i] = 0; |
07b1b131 | 430 | fhNCrossedRowsTPC[i] = 0; |
431 | fhRatioCrossedRowsOverFindableClustersTPC[i] = 0; | |
73318471 | 432 | |
433 | fhChi2PerClusterITS[i] = 0; | |
434 | fhChi2PerClusterTPC[i] = 0; | |
4c3dc2a0 | 435 | fhChi2TPCConstrainedVsGlobal[i] = 0; |
2a35259b | 436 | fhNClustersForITSPID[i] = 0; |
437 | fhNMissingITSPoints[i] = 0; | |
73318471 | 438 | |
439 | fhC11[i] = 0; | |
440 | fhC22[i] = 0; | |
441 | fhC33[i] = 0; | |
442 | fhC44[i] = 0; | |
443 | fhC55[i] = 0; | |
444 | ||
025fb458 | 445 | fhRel1PtUncertainty[i] = 0; |
446 | ||
73318471 | 447 | fhDXY[i] = 0; |
448 | fhDZ[i] = 0; | |
524916f0 | 449 | fhDXYDZ[i] = 0; |
73318471 | 450 | fhDXYvsDZ[i] = 0; |
451 | ||
452 | fhDXYNormalized[i] = 0; | |
453 | fhDZNormalized[i] = 0; | |
454 | fhDXYvsDZNormalized[i] = 0; | |
455 | fhNSigmaToVertex[i] = 0; | |
456 | ||
457 | fhPt[i] = 0; | |
458 | fhEta[i] = 0; | |
459 | } | |
460 | ffDTheoretical = 0; | |
461 | ||
462 | fhCutStatistics = 0; | |
463 | fhCutCorrelation = 0; | |
464 | } | |
465 | ||
466 | //_____________________________________________________________________________ | |
467 | AliESDtrackCuts &AliESDtrackCuts::operator=(const AliESDtrackCuts &c) | |
468 | { | |
469 | // | |
470 | // Assignment operator | |
471 | // | |
472 | ||
473 | if (this != &c) ((AliESDtrackCuts &) c).Copy(*this); | |
474 | return *this; | |
475 | } | |
476 | ||
477 | //_____________________________________________________________________________ | |
478 | void AliESDtrackCuts::Copy(TObject &c) const | |
479 | { | |
480 | // | |
481 | // Copy function | |
482 | // | |
483 | ||
484 | AliESDtrackCuts& target = (AliESDtrackCuts &) c; | |
485 | ||
486 | target.Init(); | |
487 | ||
488 | target.fCutMinNClusterTPC = fCutMinNClusterTPC; | |
489 | target.fCutMinNClusterITS = fCutMinNClusterITS; | |
07b1b131 | 490 | target.fCutMinNCrossedRowsTPC = fCutMinNCrossedRowsTPC; |
491 | target.fCutMinRatioCrossedRowsOverFindableClustersTPC = fCutMinRatioCrossedRowsOverFindableClustersTPC; | |
c11bb29c | 492 | if(f1CutMinNClustersTPCPtDep){ |
493 | target.f1CutMinNClustersTPCPtDep = (TFormula*) f1CutMinNClustersTPCPtDep->Clone("f1CutMinNClustersTPCPtDep"); | |
494 | } | |
495 | target.fCutMaxPtDepNClustersTPC = fCutMaxPtDepNClustersTPC; | |
73318471 | 496 | |
497 | target.fCutMaxChi2PerClusterTPC = fCutMaxChi2PerClusterTPC; | |
498 | target.fCutMaxChi2PerClusterITS = fCutMaxChi2PerClusterITS; | |
4c3dc2a0 | 499 | target.fCutMaxChi2TPCConstrainedVsGlobal = fCutMaxChi2TPCConstrainedVsGlobal; |
500 | target.fCutMaxChi2TPCConstrainedVsGlobalVertexType = fCutMaxChi2TPCConstrainedVsGlobalVertexType; | |
9023d7ac | 501 | target.fCutMaxMissingITSPoints = fCutMaxMissingITSPoints; |
73318471 | 502 | |
94c06b89 | 503 | for (Int_t i = 0; i < 3; i++) |
504 | target.fCutClusterRequirementITS[i] = fCutClusterRequirementITS[i]; | |
505 | ||
73318471 | 506 | target.fCutMaxC11 = fCutMaxC11; |
507 | target.fCutMaxC22 = fCutMaxC22; | |
508 | target.fCutMaxC33 = fCutMaxC33; | |
509 | target.fCutMaxC44 = fCutMaxC44; | |
510 | target.fCutMaxC55 = fCutMaxC55; | |
511 | ||
025fb458 | 512 | target.fCutMaxRel1PtUncertainty = fCutMaxRel1PtUncertainty; |
513 | ||
73318471 | 514 | target.fCutAcceptKinkDaughters = fCutAcceptKinkDaughters; |
3128582b | 515 | target.fCutAcceptSharedTPCClusters = fCutAcceptSharedTPCClusters; |
516 | target.fCutMaxFractionSharedTPCClusters = fCutMaxFractionSharedTPCClusters; | |
73318471 | 517 | target.fCutRequireTPCRefit = fCutRequireTPCRefit; |
a86cf7f4 | 518 | target.fCutRequireTPCStandAlone = fCutRequireTPCStandAlone; |
73318471 | 519 | target.fCutRequireITSRefit = fCutRequireITSRefit; |
0274b76f | 520 | target.fCutRequireITSPid = fCutRequireITSPid; |
d95684c0 | 521 | target.fCutRequireITSStandAlone = fCutRequireITSStandAlone; |
0274b76f | 522 | target.fCutRequireITSpureSA = fCutRequireITSpureSA; |
73318471 | 523 | |
524 | target.fCutNsigmaToVertex = fCutNsigmaToVertex; | |
525 | target.fCutSigmaToVertexRequired = fCutSigmaToVertexRequired; | |
133a5e00 | 526 | target.fCutMaxDCAToVertexXY = fCutMaxDCAToVertexXY; |
527 | target.fCutMaxDCAToVertexZ = fCutMaxDCAToVertexZ; | |
86f0e195 | 528 | target.fCutDCAToVertex2D = fCutDCAToVertex2D; |
133a5e00 | 529 | target.fCutMinDCAToVertexXY = fCutMinDCAToVertexXY; |
530 | target.fCutMinDCAToVertexZ = fCutMinDCAToVertexZ; | |
f328399b | 531 | |
f4e7aa32 | 532 | target.fCutMaxDCAToVertexXYPtDep = fCutMaxDCAToVertexXYPtDep; |
f328399b | 533 | target.SetMaxDCAToVertexXYPtDep(fCutMaxDCAToVertexXYPtDep.Data()); |
534 | ||
f4e7aa32 | 535 | target.fCutMaxDCAToVertexZPtDep = fCutMaxDCAToVertexZPtDep; |
f328399b | 536 | target.SetMaxDCAToVertexZPtDep(fCutMaxDCAToVertexZPtDep.Data()); |
537 | ||
f4e7aa32 | 538 | target.fCutMinDCAToVertexXYPtDep = fCutMinDCAToVertexXYPtDep; |
f328399b | 539 | target.SetMinDCAToVertexXYPtDep(fCutMinDCAToVertexXYPtDep.Data()); |
540 | ||
f4e7aa32 | 541 | target.fCutMinDCAToVertexZPtDep = fCutMinDCAToVertexZPtDep; |
f328399b | 542 | target.SetMinDCAToVertexZPtDep(fCutMinDCAToVertexZPtDep.Data()); |
73318471 | 543 | |
544 | target.fPMin = fPMin; | |
545 | target.fPMax = fPMax; | |
546 | target.fPtMin = fPtMin; | |
547 | target.fPtMax = fPtMax; | |
548 | target.fPxMin = fPxMin; | |
549 | target.fPxMax = fPxMax; | |
550 | target.fPyMin = fPyMin; | |
551 | target.fPyMax = fPyMax; | |
552 | target.fPzMin = fPzMin; | |
553 | target.fPzMax = fPzMax; | |
554 | target.fEtaMin = fEtaMin; | |
555 | target.fEtaMax = fEtaMax; | |
556 | target.fRapMin = fRapMin; | |
557 | target.fRapMax = fRapMax; | |
558 | ||
559 | target.fHistogramsOn = fHistogramsOn; | |
560 | ||
561 | for (Int_t i=0; i<2; ++i) | |
562 | { | |
563 | if (fhNClustersITS[i]) target.fhNClustersITS[i] = (TH1F*) fhNClustersITS[i]->Clone(); | |
564 | if (fhNClustersTPC[i]) target.fhNClustersTPC[i] = (TH1F*) fhNClustersTPC[i]->Clone(); | |
9023d7ac | 565 | if (fhNSharedClustersTPC[i]) target.fhNSharedClustersTPC[i] = (TH1F*) fhNSharedClustersTPC[i]->Clone(); |
07b1b131 | 566 | if (fhNCrossedRowsTPC[i]) target.fhNCrossedRowsTPC[i] = (TH1F*) fhNCrossedRowsTPC[i]->Clone(); |
567 | if (fhRatioCrossedRowsOverFindableClustersTPC[i]) target.fhRatioCrossedRowsOverFindableClustersTPC[i] = (TH1F*) fhRatioCrossedRowsOverFindableClustersTPC[i]->Clone(); | |
73318471 | 568 | |
569 | if (fhChi2PerClusterITS[i]) target.fhChi2PerClusterITS[i] = (TH1F*) fhChi2PerClusterITS[i]->Clone(); | |
570 | if (fhChi2PerClusterTPC[i]) target.fhChi2PerClusterTPC[i] = (TH1F*) fhChi2PerClusterTPC[i]->Clone(); | |
4c3dc2a0 | 571 | if (fhChi2TPCConstrainedVsGlobal[i]) target.fhChi2TPCConstrainedVsGlobal[i] = (TH1F*) fhChi2TPCConstrainedVsGlobal[i]->Clone(); |
2a35259b | 572 | if (fhNClustersForITSPID[i]) target.fhNClustersForITSPID[i] = (TH1F*) fhNClustersForITSPID[i]->Clone(); |
573 | if (fhNMissingITSPoints[i]) target.fhNMissingITSPoints[i] = (TH1F*) fhNMissingITSPoints[i]->Clone(); | |
73318471 | 574 | |
575 | if (fhC11[i]) target.fhC11[i] = (TH1F*) fhC11[i]->Clone(); | |
576 | if (fhC22[i]) target.fhC22[i] = (TH1F*) fhC22[i]->Clone(); | |
577 | if (fhC33[i]) target.fhC33[i] = (TH1F*) fhC33[i]->Clone(); | |
578 | if (fhC44[i]) target.fhC44[i] = (TH1F*) fhC44[i]->Clone(); | |
579 | if (fhC55[i]) target.fhC55[i] = (TH1F*) fhC55[i]->Clone(); | |
580 | ||
025fb458 | 581 | if (fhRel1PtUncertainty[i]) target.fhRel1PtUncertainty[i] = (TH1F*) fhRel1PtUncertainty[i]->Clone(); |
582 | ||
73318471 | 583 | if (fhDXY[i]) target.fhDXY[i] = (TH1F*) fhDXY[i]->Clone(); |
584 | if (fhDZ[i]) target.fhDZ[i] = (TH1F*) fhDZ[i]->Clone(); | |
524916f0 | 585 | if (fhDXYDZ[i]) target.fhDXYDZ[i] = (TH1F*) fhDXYDZ[i]->Clone(); |
73318471 | 586 | if (fhDXYvsDZ[i]) target.fhDXYvsDZ[i] = (TH2F*) fhDXYvsDZ[i]->Clone(); |
587 | ||
588 | if (fhDXYNormalized[i]) target.fhDXYNormalized[i] = (TH1F*) fhDXYNormalized[i]->Clone(); | |
589 | if (fhDZNormalized[i]) target.fhDZNormalized[i] = (TH1F*) fhDZNormalized[i]->Clone(); | |
590 | if (fhDXYvsDZNormalized[i]) target.fhDXYvsDZNormalized[i] = (TH2F*) fhDXYvsDZNormalized[i]->Clone(); | |
591 | if (fhNSigmaToVertex[i]) target.fhNSigmaToVertex[i] = (TH1F*) fhNSigmaToVertex[i]->Clone(); | |
592 | ||
593 | if (fhPt[i]) target.fhPt[i] = (TH1F*) fhPt[i]->Clone(); | |
594 | if (fhEta[i]) target.fhEta[i] = (TH1F*) fhEta[i]->Clone(); | |
595 | } | |
596 | if (ffDTheoretical) target.ffDTheoretical = (TF1*) ffDTheoretical->Clone(); | |
597 | ||
598 | if (fhCutStatistics) target.fhCutStatistics = (TH1F*) fhCutStatistics->Clone(); | |
599 | if (fhCutCorrelation) target.fhCutCorrelation = (TH2F*) fhCutCorrelation->Clone(); | |
600 | ||
601 | TNamed::Copy(c); | |
602 | } | |
603 | ||
604 | //_____________________________________________________________________________ | |
605 | Long64_t AliESDtrackCuts::Merge(TCollection* list) { | |
606 | // Merge a list of AliESDtrackCuts objects with this (needed for PROOF) | |
607 | // Returns the number of merged objects (including this) | |
73318471 | 608 | if (!list) |
609 | return 0; | |
73318471 | 610 | if (list->IsEmpty()) |
611 | return 1; | |
73318471 | 612 | if (!fHistogramsOn) |
613 | return 0; | |
73318471 | 614 | TIterator* iter = list->MakeIterator(); |
615 | TObject* obj; | |
616 | ||
73318471 | 617 | // collection of measured and generated histograms |
618 | Int_t count = 0; | |
619 | while ((obj = iter->Next())) { | |
620 | ||
621 | AliESDtrackCuts* entry = dynamic_cast<AliESDtrackCuts*>(obj); | |
622 | if (entry == 0) | |
623 | continue; | |
624 | ||
625 | if (!entry->fHistogramsOn) | |
626 | continue; | |
524916f0 | 627 | |
73318471 | 628 | for (Int_t i=0; i<2; i++) { |
629 | ||
630 | fhNClustersITS[i] ->Add(entry->fhNClustersITS[i] ); | |
631 | fhNClustersTPC[i] ->Add(entry->fhNClustersTPC[i] ); | |
9023d7ac | 632 | if (fhNSharedClustersTPC[i]) |
633 | fhNSharedClustersTPC[i] ->Add(entry->fhNSharedClustersTPC[i] ); | |
634 | if (fhNCrossedRowsTPC[i]) | |
635 | fhNCrossedRowsTPC[i] ->Add(entry->fhNCrossedRowsTPC[i] ); | |
636 | if (fhRatioCrossedRowsOverFindableClustersTPC[i]) | |
637 | fhRatioCrossedRowsOverFindableClustersTPC[i] ->Add(entry->fhRatioCrossedRowsOverFindableClustersTPC[i] ); | |
73318471 | 638 | |
639 | fhChi2PerClusterITS[i] ->Add(entry->fhChi2PerClusterITS[i]); | |
640 | fhChi2PerClusterTPC[i] ->Add(entry->fhChi2PerClusterTPC[i]); | |
4c3dc2a0 | 641 | if (fhChi2TPCConstrainedVsGlobal[i]) |
642 | fhChi2TPCConstrainedVsGlobal[i]->Add(entry->fhChi2TPCConstrainedVsGlobal[i]); | |
9006de35 | 643 | if (fhNClustersForITSPID[i]) |
644 | fhNClustersForITSPID[i]->Add(entry->fhNClustersForITSPID[i]); | |
645 | if (fhNMissingITSPoints[i]) | |
646 | fhNMissingITSPoints[i] ->Add(entry->fhNMissingITSPoints[i]); | |
2a35259b | 647 | |
73318471 | 648 | fhC11[i] ->Add(entry->fhC11[i] ); |
649 | fhC22[i] ->Add(entry->fhC22[i] ); | |
650 | fhC33[i] ->Add(entry->fhC33[i] ); | |
651 | fhC44[i] ->Add(entry->fhC44[i] ); | |
025fb458 | 652 | fhC55[i] ->Add(entry->fhC55[i] ); |
653 | ||
654 | fhRel1PtUncertainty[i] ->Add(entry->fhRel1PtUncertainty[i]); | |
73318471 | 655 | |
656 | fhDXY[i] ->Add(entry->fhDXY[i] ); | |
657 | fhDZ[i] ->Add(entry->fhDZ[i] ); | |
524916f0 | 658 | fhDXYDZ[i] ->Add(entry->fhDXYDZ[i] ); |
659 | fhDXYvsDZ[i] ->Add(entry->fhDXYvsDZ[i] ); | |
660 | ||
661 | fhDXYNormalized[i] ->Add(entry->fhDXYNormalized[i] ); | |
73318471 | 662 | fhDZNormalized[i] ->Add(entry->fhDZNormalized[i] ); |
524916f0 | 663 | fhDXYvsDZNormalized[i] ->Add(entry->fhDXYvsDZNormalized[i]); |
73318471 | 664 | fhNSigmaToVertex[i] ->Add(entry->fhNSigmaToVertex[i]); |
665 | ||
666 | fhPt[i] ->Add(entry->fhPt[i]); | |
667 | fhEta[i] ->Add(entry->fhEta[i]); | |
668 | } | |
669 | ||
670 | fhCutStatistics ->Add(entry->fhCutStatistics); | |
671 | fhCutCorrelation ->Add(entry->fhCutCorrelation); | |
672 | ||
673 | count++; | |
674 | } | |
73318471 | 675 | return count+1; |
676 | } | |
677 | ||
c11bb29c | 678 | void AliESDtrackCuts::SetMinNClustersTPCPtDep(TFormula *f1, Float_t ptmax) |
679 | { | |
680 | // | |
681 | // Sets the pT dependent NClustersTPC cut | |
682 | // | |
683 | ||
684 | if(f1){ | |
685 | delete f1CutMinNClustersTPCPtDep; | |
686 | f1CutMinNClustersTPCPtDep = (TFormula*)f1->Clone("f1CutMinNClustersTPCPtDep"); | |
687 | } | |
688 | fCutMaxPtDepNClustersTPC=ptmax; | |
689 | } | |
690 | ||
1bf80d20 | 691 | //____________________________________________________________________ |
692 | AliESDtrackCuts* AliESDtrackCuts::GetStandardTPCOnlyTrackCuts() | |
693 | { | |
ce3be819 | 694 | // creates an AliESDtrackCuts object and fills it with standard (pre data-taking) values for TPC-only cuts |
1bf80d20 | 695 | |
28348fb4 | 696 | AliInfoClass("Creating track cuts for TPC-only."); |
1bf80d20 | 697 | |
698 | AliESDtrackCuts* esdTrackCuts = new AliESDtrackCuts; | |
699 | ||
700 | esdTrackCuts->SetMinNClustersTPC(50); | |
701 | esdTrackCuts->SetMaxChi2PerClusterTPC(4); | |
702 | esdTrackCuts->SetAcceptKinkDaughters(kFALSE); | |
703 | ||
704 | esdTrackCuts->SetMaxDCAToVertexZ(3.2); | |
705 | esdTrackCuts->SetMaxDCAToVertexXY(2.4); | |
706 | esdTrackCuts->SetDCAToVertex2D(kTRUE); | |
707 | ||
708 | return esdTrackCuts; | |
709 | } | |
710 | ||
f4e7aa32 | 711 | //____________________________________________________________________ |
712 | AliESDtrackCuts* AliESDtrackCuts::GetStandardITSTPCTrackCuts2009(Bool_t selPrimaries) | |
713 | { | |
714 | // creates an AliESDtrackCuts object and fills it with standard values for ITS-TPC cuts for pp 2009 data | |
715 | ||
28348fb4 | 716 | AliInfoClass("Creating track cuts for ITS+TPC (2009 definition)."); |
f4e7aa32 | 717 | |
718 | AliESDtrackCuts* esdTrackCuts = new AliESDtrackCuts; | |
719 | ||
720 | // TPC | |
2dc88643 | 721 | esdTrackCuts->SetRequireTPCStandAlone(kTRUE); // to get chi2 and ncls of kTPCin |
f4e7aa32 | 722 | esdTrackCuts->SetMinNClustersTPC(70); |
723 | esdTrackCuts->SetMaxChi2PerClusterTPC(4); | |
724 | esdTrackCuts->SetAcceptKinkDaughters(kFALSE); | |
ce3be819 | 725 | esdTrackCuts->SetRequireTPCRefit(kTRUE); |
f4e7aa32 | 726 | // ITS |
727 | esdTrackCuts->SetRequireITSRefit(kTRUE); | |
728 | esdTrackCuts->SetClusterRequirementITS(AliESDtrackCuts::kSPD, | |
729 | AliESDtrackCuts::kAny); | |
730 | if(selPrimaries) { | |
731 | // 7*(0.0050+0.0060/pt^0.9) | |
732 | esdTrackCuts->SetMaxDCAToVertexXYPtDep("0.0350+0.0420/pt^0.9"); | |
30ef11c5 | 733 | esdTrackCuts->SetMaxChi2TPCConstrainedGlobal(36); |
f4e7aa32 | 734 | } |
735 | esdTrackCuts->SetMaxDCAToVertexZ(1.e6); | |
736 | esdTrackCuts->SetDCAToVertex2D(kFALSE); | |
737 | esdTrackCuts->SetRequireSigmaToVertex(kFALSE); | |
738 | //esdTrackCuts->SetEtaRange(-0.8,+0.8); | |
739 | ||
d12b3d70 | 740 | esdTrackCuts->SetMaxChi2PerClusterITS(36); |
d12b3d70 | 741 | |
f4e7aa32 | 742 | return esdTrackCuts; |
743 | } | |
ccfc2389 | 744 | |
1e01a1ac | 745 | //____________________________________________________________________ |
746 | AliESDtrackCuts* AliESDtrackCuts::GetStandardITSTPCTrackCuts2011(Bool_t selPrimaries, Int_t clusterCut) | |
747 | { | |
748 | // creates an AliESDtrackCuts object and fills it with standard values for ITS-TPC cuts for pp 2011 data | |
749 | // if clusterCut = 1, the cut on the number of clusters is replaced by | |
750 | // a cut on the number of crossed rows and on the ration crossed | |
751 | // rows/findable clusters | |
752 | ||
753 | AliInfoClass("Creating track cuts for ITS+TPC (2011 definition)."); | |
754 | ||
755 | AliESDtrackCuts* esdTrackCuts = new AliESDtrackCuts; | |
756 | ||
757 | // TPC | |
b7cce158 | 758 | if(clusterCut == 0) esdTrackCuts->SetMinNClustersTPC(50); |
1e01a1ac | 759 | else if (clusterCut == 1) { |
760 | esdTrackCuts->SetMinNCrossedRowsTPC(70); | |
761 | esdTrackCuts->SetMinRatioCrossedRowsOverFindableClustersTPC(0.8); | |
762 | } | |
763 | else { | |
764 | AliWarningClass(Form("Wrong value of the clusterCut parameter (%d), using cut on Nclusters",clusterCut)); | |
b7cce158 | 765 | esdTrackCuts->SetMinNClustersTPC(50); |
1e01a1ac | 766 | } |
767 | esdTrackCuts->SetMaxChi2PerClusterTPC(4); | |
768 | esdTrackCuts->SetAcceptKinkDaughters(kFALSE); | |
769 | esdTrackCuts->SetRequireTPCRefit(kTRUE); | |
770 | // ITS | |
771 | esdTrackCuts->SetRequireITSRefit(kTRUE); | |
772 | esdTrackCuts->SetClusterRequirementITS(AliESDtrackCuts::kSPD, | |
773 | AliESDtrackCuts::kAny); | |
774 | if(selPrimaries) { | |
775 | // 7*(0.0015+0.0050/pt^1.1) | |
776 | esdTrackCuts->SetMaxDCAToVertexXYPtDep("0.0105+0.0350/pt^1.1"); | |
777 | esdTrackCuts->SetMaxChi2TPCConstrainedGlobal(36); | |
778 | } | |
779 | esdTrackCuts->SetMaxDCAToVertexZ(2); | |
780 | esdTrackCuts->SetDCAToVertex2D(kFALSE); | |
781 | esdTrackCuts->SetRequireSigmaToVertex(kFALSE); | |
782 | ||
783 | esdTrackCuts->SetMaxChi2PerClusterITS(36); | |
784 | ||
785 | return esdTrackCuts; | |
786 | } | |
787 | ||
ccfc2389 | 788 | //____________________________________________________________________ |
07b1b131 | 789 | AliESDtrackCuts* AliESDtrackCuts::GetStandardITSTPCTrackCuts2010(Bool_t selPrimaries,Int_t clusterCut) |
ccfc2389 | 790 | { |
07b1b131 | 791 | // creates an AliESDtrackCuts object and fills it with standard values for ITS-TPC cuts for pp 2010 data |
792 | // if clusterCut = 1, the cut on the number of clusters is replaced by | |
793 | // a cut on the number of crossed rows and on the ration crossed | |
794 | // rows/findable clusters | |
795 | ||
28348fb4 | 796 | AliInfoClass("Creating track cuts for ITS+TPC (2010 definition)."); |
ccfc2389 | 797 | |
798 | AliESDtrackCuts* esdTrackCuts = new AliESDtrackCuts; | |
799 | ||
800 | // TPC | |
07b1b131 | 801 | if(clusterCut == 0) esdTrackCuts->SetMinNClustersTPC(70); |
802 | else if (clusterCut == 1) { | |
803 | esdTrackCuts->SetMinNCrossedRowsTPC(70); | |
804 | esdTrackCuts->SetMinRatioCrossedRowsOverFindableClustersTPC(0.8); | |
805 | } | |
806 | else { | |
28348fb4 | 807 | AliWarningClass(Form("Wrong value of the clusterCut parameter (%d), using cut on Nclusters",clusterCut)); |
07b1b131 | 808 | esdTrackCuts->SetMinNClustersTPC(70); |
809 | } | |
ccfc2389 | 810 | esdTrackCuts->SetMaxChi2PerClusterTPC(4); |
811 | esdTrackCuts->SetAcceptKinkDaughters(kFALSE); | |
812 | esdTrackCuts->SetRequireTPCRefit(kTRUE); | |
813 | // ITS | |
814 | esdTrackCuts->SetRequireITSRefit(kTRUE); | |
815 | esdTrackCuts->SetClusterRequirementITS(AliESDtrackCuts::kSPD, | |
816 | AliESDtrackCuts::kAny); | |
817 | if(selPrimaries) { | |
818 | // 7*(0.0026+0.0050/pt^1.01) | |
819 | esdTrackCuts->SetMaxDCAToVertexXYPtDep("0.0182+0.0350/pt^1.01"); | |
30ef11c5 | 820 | esdTrackCuts->SetMaxChi2TPCConstrainedGlobal(36); |
ccfc2389 | 821 | } |
822 | esdTrackCuts->SetMaxDCAToVertexZ(2); | |
823 | esdTrackCuts->SetDCAToVertex2D(kFALSE); | |
824 | esdTrackCuts->SetRequireSigmaToVertex(kFALSE); | |
ccfc2389 | 825 | |
d12b3d70 | 826 | esdTrackCuts->SetMaxChi2PerClusterITS(36); |
d12b3d70 | 827 | |
ccfc2389 | 828 | return esdTrackCuts; |
829 | } | |
830 | ||
0274b76f | 831 | //____________________________________________________________________ |
832 | AliESDtrackCuts* AliESDtrackCuts::GetStandardITSPureSATrackCuts2009(Bool_t selPrimaries, Bool_t useForPid) | |
833 | { | |
834 | // creates an AliESDtrackCuts object and fills it with standard values for ITS pure SA tracks | |
835 | ||
836 | AliESDtrackCuts* esdTrackCuts = new AliESDtrackCuts; | |
837 | esdTrackCuts->SetRequireITSPureStandAlone(kTRUE); | |
838 | esdTrackCuts->SetRequireITSRefit(kTRUE); | |
839 | esdTrackCuts->SetMinNClustersITS(4); | |
840 | esdTrackCuts->SetClusterRequirementITS(AliESDtrackCuts::kSPD, | |
841 | AliESDtrackCuts::kAny); | |
842 | esdTrackCuts->SetMaxChi2PerClusterITS(1.); | |
843 | ||
844 | if(selPrimaries) { | |
845 | // 7*(0.0085+0.0026/pt^1.55) | |
846 | esdTrackCuts->SetMaxDCAToVertexXYPtDep("0.0595+0.0182/pt^1.55"); | |
847 | } | |
848 | if(useForPid){ | |
849 | esdTrackCuts->SetRequireITSPid(kTRUE); | |
850 | } | |
851 | return esdTrackCuts; | |
852 | } | |
ccfc2389 | 853 | |
97b2cf9e | 854 | //____________________________________________________________________ |
855 | AliESDtrackCuts* AliESDtrackCuts::GetStandardITSPureSATrackCuts2010(Bool_t selPrimaries, Bool_t useForPid) | |
856 | { | |
857 | // creates an AliESDtrackCuts object and fills it with standard values for ITS pure SA tracks - pp 2010 | |
858 | ||
859 | AliESDtrackCuts* esdTrackCuts = new AliESDtrackCuts; | |
860 | esdTrackCuts->SetRequireITSPureStandAlone(kTRUE); | |
861 | esdTrackCuts->SetRequireITSRefit(kTRUE); | |
862 | esdTrackCuts->SetMinNClustersITS(4); | |
863 | esdTrackCuts->SetClusterRequirementITS(AliESDtrackCuts::kSPD, | |
864 | AliESDtrackCuts::kAny); | |
865 | esdTrackCuts->SetMaxChi2PerClusterITS(2.5); | |
866 | ||
867 | if(selPrimaries) { | |
868 | // 7*(0.0033+0.0045/pt^1.3) | |
869 | esdTrackCuts->SetMaxDCAToVertexXYPtDep("0.0231+0.0315/pt^1.3"); | |
870 | } | |
871 | if(useForPid){ | |
872 | esdTrackCuts->SetRequireITSPid(kTRUE); | |
873 | } | |
874 | return esdTrackCuts; | |
875 | } | |
876 | ||
0274b76f | 877 | //____________________________________________________________________ |
878 | AliESDtrackCuts* AliESDtrackCuts::GetStandardITSSATrackCuts2009(Bool_t selPrimaries, Bool_t useForPid) | |
879 | { | |
880 | // creates an AliESDtrackCuts object and fills it with standard values for ITS pure SA tracks | |
881 | ||
882 | AliESDtrackCuts* esdTrackCuts = new AliESDtrackCuts; | |
883 | esdTrackCuts->SetRequireITSStandAlone(kTRUE); | |
884 | esdTrackCuts->SetRequireITSPureStandAlone(kFALSE); | |
885 | esdTrackCuts->SetRequireITSRefit(kTRUE); | |
886 | esdTrackCuts->SetMinNClustersITS(4); | |
887 | esdTrackCuts->SetClusterRequirementITS(AliESDtrackCuts::kSPD, | |
888 | AliESDtrackCuts::kAny); | |
889 | esdTrackCuts->SetMaxChi2PerClusterITS(1.); | |
890 | ||
891 | if(selPrimaries) { | |
892 | // 7*(0.0085+0.0026/pt^1.55) | |
893 | esdTrackCuts->SetMaxDCAToVertexXYPtDep("0.0595+0.0182/pt^1.55"); | |
894 | } | |
895 | if(useForPid){ | |
896 | esdTrackCuts->SetRequireITSPid(kTRUE); | |
897 | } | |
898 | return esdTrackCuts; | |
899 | } | |
900 | ||
97b2cf9e | 901 | //____________________________________________________________________ |
902 | AliESDtrackCuts* AliESDtrackCuts::GetStandardITSSATrackCuts2010(Bool_t selPrimaries, Bool_t useForPid) | |
903 | { | |
904 | // creates an AliESDtrackCuts object and fills it with standard values for ITS pure SA tracks --pp 2010 | |
905 | ||
906 | AliESDtrackCuts* esdTrackCuts = new AliESDtrackCuts; | |
907 | esdTrackCuts->SetRequireITSStandAlone(kTRUE); | |
908 | esdTrackCuts->SetRequireITSPureStandAlone(kFALSE); | |
909 | esdTrackCuts->SetRequireITSRefit(kTRUE); | |
910 | esdTrackCuts->SetMinNClustersITS(4); | |
911 | esdTrackCuts->SetClusterRequirementITS(AliESDtrackCuts::kSPD, | |
912 | AliESDtrackCuts::kAny); | |
913 | esdTrackCuts->SetMaxChi2PerClusterITS(2.5); | |
914 | ||
915 | if(selPrimaries) { | |
916 | // 7*(0.0033+0.0045/pt^1.3) | |
917 | esdTrackCuts->SetMaxDCAToVertexXYPtDep("0.0231+0.0315/pt^1.3"); | |
918 | } | |
919 | if(useForPid){ | |
920 | esdTrackCuts->SetRequireITSPid(kTRUE); | |
921 | } | |
922 | return esdTrackCuts; | |
923 | } | |
f4e7aa32 | 924 | |
9023d7ac | 925 | //____________________________________________________________________ |
926 | AliESDtrackCuts* AliESDtrackCuts::GetStandardITSSATrackCutsPbPb2010(Bool_t selPrimaries, Bool_t useForPid) | |
927 | { | |
928 | // creates an AliESDtrackCuts object and fills it with standard values for ITS pure SA tracks -- PbPb 2010 | |
929 | ||
930 | AliESDtrackCuts* esdTrackCuts = GetStandardITSSATrackCuts2010(selPrimaries, useForPid); | |
931 | esdTrackCuts->SetMaxNOfMissingITSPoints(1); | |
932 | ||
933 | return esdTrackCuts; | |
934 | } | |
28348fb4 | 935 | //____________________________________________________________________ |
936 | ||
937 | AliESDtrackCuts* AliESDtrackCuts::GetStandardV0DaughterCuts() | |
938 | { | |
939 | // creates a AliESDtrackCuts object and fills it with standard cuts for V0 daughters | |
940 | AliESDtrackCuts* esdTrackCuts = new AliESDtrackCuts; | |
941 | esdTrackCuts->SetRequireTPCRefit(kTRUE); | |
942 | esdTrackCuts->SetMinNClustersTPC(70); | |
943 | esdTrackCuts->SetAcceptKinkDaughters(kFALSE); | |
944 | return esdTrackCuts; | |
945 | } | |
9023d7ac | 946 | |
1bf80d20 | 947 | //____________________________________________________________________ |
f7ce7a37 | 948 | Int_t AliESDtrackCuts::GetReferenceMultiplicity(const AliESDEvent* esd, Bool_t tpcOnly) |
1bf80d20 | 949 | { |
950 | // Gets reference multiplicity following the standard cuts and a defined fiducial volume | |
951 | // tpcOnly = kTRUE -> consider TPC-only tracks | |
952 | // = kFALSE -> consider global tracks | |
a61ab805 | 953 | // |
954 | // DEPRECATED Use GetReferenceMultiplicity with the enum as second argument instead | |
1bf80d20 | 955 | |
956 | if (!tpcOnly) | |
957 | { | |
28348fb4 | 958 | AliErrorClass("Not implemented for global tracks!"); |
1bf80d20 | 959 | return -1; |
960 | } | |
961 | ||
8fb3df98 | 962 | static AliESDtrackCuts* esdTrackCuts = 0; |
963 | if (!esdTrackCuts) | |
964 | { | |
965 | esdTrackCuts = GetStandardTPCOnlyTrackCuts(); | |
966 | esdTrackCuts->SetEtaRange(-0.8, 0.8); | |
967 | esdTrackCuts->SetPtRange(0.15); | |
968 | } | |
1bf80d20 | 969 | |
970 | Int_t nTracks = esdTrackCuts->CountAcceptedTracks(esd); | |
971 | ||
1bf80d20 | 972 | return nTracks; |
973 | } | |
73318471 | 974 | |
975 | //____________________________________________________________________ | |
4c3dc2a0 | 976 | Float_t AliESDtrackCuts::GetSigmaToVertex(const AliESDtrack* const esdTrack) |
73318471 | 977 | { |
978 | // Calculates the number of sigma to the vertex. | |
979 | ||
980 | Float_t b[2]; | |
981 | Float_t bRes[2]; | |
982 | Float_t bCov[3]; | |
983 | esdTrack->GetImpactParameters(b,bCov); | |
36853ddd | 984 | |
73318471 | 985 | if (bCov[0]<=0 || bCov[2]<=0) { |
57fddfbc | 986 | AliDebugClass(1, "Estimated b resolution lower or equal zero!"); |
73318471 | 987 | bCov[0]=0; bCov[2]=0; |
988 | } | |
989 | bRes[0] = TMath::Sqrt(bCov[0]); | |
990 | bRes[1] = TMath::Sqrt(bCov[2]); | |
991 | ||
992 | // ----------------------------------- | |
993 | // How to get to a n-sigma cut? | |
994 | // | |
995 | // The accumulated statistics from 0 to d is | |
996 | // | |
997 | // -> Erf(d/Sqrt(2)) for a 1-dim gauss (d = n_sigma) | |
998 | // -> 1 - Exp(-d**2) for a 2-dim gauss (d*d = dx*dx + dy*dy != n_sigma) | |
999 | // | |
cae2c21a | 1000 | // It means that for a 2-dim gauss: n_sigma(d) = Sqrt(2)*ErfInv(1 - Exp((-d**2)/2) |
73318471 | 1001 | // Can this be expressed in a different way? |
1002 | ||
1003 | if (bRes[0] == 0 || bRes[1] ==0) | |
1004 | return -1; | |
1005 | ||
1006 | Float_t d = TMath::Sqrt(TMath::Power(b[0]/bRes[0],2) + TMath::Power(b[1]/bRes[1],2)); | |
1007 | ||
0f712a2e | 1008 | // work around precision problem |
73318471 | 1009 | // if d is too big, TMath::Exp(...) gets 0, and TMath::ErfInverse(1) that should be infinite, gets 0 :( |
0f712a2e | 1010 | // 1e-15 corresponds to nsigma ~ 7.7 |
1011 | if (TMath::Exp(-d * d / 2) < 1e-15) | |
73318471 | 1012 | return 1000; |
1013 | ||
0f712a2e | 1014 | Float_t nSigma = TMath::ErfInverse(1 - TMath::Exp(-d * d / 2)) * TMath::Sqrt(2); |
1015 | return nSigma; | |
73318471 | 1016 | } |
1017 | ||
1018 | void AliESDtrackCuts::EnableNeededBranches(TTree* tree) | |
1019 | { | |
1020 | // enables the branches needed by AcceptTrack, for a list see comment of AcceptTrack | |
1021 | ||
1022 | tree->SetBranchStatus("fTracks.fFlags", 1); | |
1023 | tree->SetBranchStatus("fTracks.fITSncls", 1); | |
1024 | tree->SetBranchStatus("fTracks.fTPCncls", 1); | |
1025 | tree->SetBranchStatus("fTracks.fITSchi2", 1); | |
1026 | tree->SetBranchStatus("fTracks.fTPCchi2", 1); | |
1027 | tree->SetBranchStatus("fTracks.fC*", 1); | |
1028 | tree->SetBranchStatus("fTracks.fD", 1); | |
1029 | tree->SetBranchStatus("fTracks.fZ", 1); | |
1030 | tree->SetBranchStatus("fTracks.fCdd", 1); | |
1031 | tree->SetBranchStatus("fTracks.fCdz", 1); | |
1032 | tree->SetBranchStatus("fTracks.fCzz", 1); | |
1033 | tree->SetBranchStatus("fTracks.fP*", 1); | |
1034 | tree->SetBranchStatus("fTracks.fR*", 1); | |
1035 | tree->SetBranchStatus("fTracks.fKinkIndexes*", 1); | |
1036 | } | |
1037 | ||
1038 | //____________________________________________________________________ | |
0ecbfc1b | 1039 | Bool_t AliESDtrackCuts::AcceptTrack(const AliESDtrack* esdTrack) |
d95684c0 | 1040 | { |
73318471 | 1041 | // |
1042 | // figure out if the tracks survives all the track cuts defined | |
1043 | // | |
1044 | // the different quality parameter and kinematic values are first | |
1045 | // retrieved from the track. then it is found out what cuts the | |
1046 | // track did not survive and finally the cuts are imposed. | |
1047 | ||
1048 | // this function needs the following branches: | |
1049 | // fTracks.fFlags | |
1050 | // fTracks.fITSncls | |
1051 | // fTracks.fTPCncls | |
1052 | // fTracks.fITSchi2 | |
1053 | // fTracks.fTPCchi2 | |
1054 | // fTracks.fC //GetExternalCovariance | |
1055 | // fTracks.fD //GetImpactParameters | |
1056 | // fTracks.fZ //GetImpactParameters | |
1057 | // fTracks.fCdd //GetImpactParameters | |
1058 | // fTracks.fCdz //GetImpactParameters | |
1059 | // fTracks.fCzz //GetImpactParameters | |
1060 | // fTracks.fP //GetPxPyPz | |
1061 | // fTracks.fR //GetMass | |
1062 | // fTracks.fP //GetMass | |
1063 | // fTracks.fKinkIndexes | |
4c3dc2a0 | 1064 | // |
1065 | // esdEvent is only required for the MaxChi2TPCConstrainedVsGlobal | |
73318471 | 1066 | |
1067 | UInt_t status = esdTrack->GetStatus(); | |
1068 | ||
73318471 | 1069 | // getting quality parameters from the ESD track |
524916f0 | 1070 | Int_t nClustersITS = esdTrack->GetITSclusters(0); |
a86cf7f4 | 1071 | Int_t nClustersTPC = -1; |
1072 | if(fCutRequireTPCStandAlone) { | |
1073 | nClustersTPC = esdTrack->GetTPCNclsIter1(); | |
1074 | } | |
1075 | else { | |
1076 | nClustersTPC = esdTrack->GetTPCclusters(0); | |
1077 | } | |
c11bb29c | 1078 | |
1079 | //Pt dependent NClusters Cut | |
1080 | if(f1CutMinNClustersTPCPtDep) { | |
1081 | if(esdTrack->Pt()<fCutMaxPtDepNClustersTPC) | |
1082 | fCutMinNClusterTPC = f1CutMinNClustersTPCPtDep->Eval(esdTrack->Pt()); | |
1083 | else | |
1084 | fCutMinNClusterTPC = f1CutMinNClustersTPCPtDep->Eval(fCutMaxPtDepNClustersTPC); | |
1085 | } | |
1086 | ||
4c3dc2a0 | 1087 | Float_t nCrossedRowsTPC = esdTrack->GetTPCCrossedRows(); |
3be03022 | 1088 | Float_t ratioCrossedRowsOverFindableClustersTPC = 1.0; |
1089 | if (esdTrack->GetTPCNclsF()>0) { | |
9006de35 | 1090 | ratioCrossedRowsOverFindableClustersTPC = nCrossedRowsTPC / esdTrack->GetTPCNclsF(); |
3be03022 | 1091 | } |
07b1b131 | 1092 | |
3128582b | 1093 | Int_t nClustersTPCShared = esdTrack->GetTPCnclsS(); |
1094 | Float_t fracClustersTPCShared = -1.; | |
1095 | ||
73318471 | 1096 | Float_t chi2PerClusterITS = -1; |
1097 | Float_t chi2PerClusterTPC = -1; | |
1098 | if (nClustersITS!=0) | |
1099 | chi2PerClusterITS = esdTrack->GetITSchi2()/Float_t(nClustersITS); | |
a86cf7f4 | 1100 | if (nClustersTPC!=0) { |
1101 | if(fCutRequireTPCStandAlone) { | |
1102 | chi2PerClusterTPC = esdTrack->GetTPCchi2Iter1()/Float_t(nClustersTPC); | |
1103 | } else { | |
1104 | chi2PerClusterTPC = esdTrack->GetTPCchi2()/Float_t(nClustersTPC); | |
1105 | } | |
3128582b | 1106 | fracClustersTPCShared = Float_t(nClustersTPCShared)/Float_t(nClustersTPC); |
a86cf7f4 | 1107 | } |
1108 | ||
73318471 | 1109 | Double_t extCov[15]; |
1110 | esdTrack->GetExternalCovariance(extCov); | |
1111 | ||
524916f0 | 1112 | Float_t b[2]; |
1113 | Float_t bCov[3]; | |
1114 | esdTrack->GetImpactParameters(b,bCov); | |
1115 | if (bCov[0]<=0 || bCov[2]<=0) { | |
1116 | AliDebug(1, "Estimated b resolution lower or equal zero!"); | |
1117 | bCov[0]=0; bCov[2]=0; | |
1118 | } | |
74687314 | 1119 | |
f4e7aa32 | 1120 | |
1121 | // set pt-dependent DCA cuts, if requested | |
1122 | SetPtDepDCACuts(esdTrack->Pt()); | |
1123 | ||
1124 | ||
e4617f4e | 1125 | Float_t dcaToVertexXY = b[0]; |
74687314 | 1126 | Float_t dcaToVertexZ = b[1]; |
1127 | ||
86f0e195 | 1128 | Float_t dcaToVertex = -1; |
1129 | ||
1130 | if (fCutDCAToVertex2D) | |
1131 | { | |
133a5e00 | 1132 | dcaToVertex = TMath::Sqrt(dcaToVertexXY*dcaToVertexXY/fCutMaxDCAToVertexXY/fCutMaxDCAToVertexXY + dcaToVertexZ*dcaToVertexZ/fCutMaxDCAToVertexZ/fCutMaxDCAToVertexZ); |
86f0e195 | 1133 | } |
1134 | else | |
1135 | dcaToVertex = TMath::Sqrt(dcaToVertexXY*dcaToVertexXY + dcaToVertexZ*dcaToVertexZ); | |
133a5e00 | 1136 | |
73318471 | 1137 | // getting the kinematic variables of the track |
1138 | // (assuming the mass is known) | |
1139 | Double_t p[3]; | |
1140 | esdTrack->GetPxPyPz(p); | |
36853ddd | 1141 | |
73318471 | 1142 | Float_t momentum = TMath::Sqrt(TMath::Power(p[0],2) + TMath::Power(p[1],2) + TMath::Power(p[2],2)); |
1143 | Float_t pt = TMath::Sqrt(TMath::Power(p[0],2) + TMath::Power(p[1],2)); | |
1144 | Float_t energy = TMath::Sqrt(TMath::Power(esdTrack->GetMass(),2) + TMath::Power(momentum,2)); | |
1145 | ||
73318471 | 1146 | //y-eta related calculations |
1147 | Float_t eta = -100.; | |
1148 | Float_t y = -100.; | |
1149 | if((momentum != TMath::Abs(p[2]))&&(momentum != 0)) | |
1150 | eta = 0.5*TMath::Log((momentum + p[2])/(momentum - p[2])); | |
1151 | if((energy != TMath::Abs(p[2]))&&(momentum != 0)) | |
1152 | y = 0.5*TMath::Log((energy + p[2])/(energy - p[2])); | |
025fb458 | 1153 | |
4853f638 | 1154 | if (extCov[14] < 0) |
1155 | { | |
28348fb4 | 1156 | AliWarning(Form("GetSigma1Pt2() returns negative value for external covariance matrix element fC[14]: %f. Corrupted track information, track will not be accepted!", extCov[14])); |
4853f638 | 1157 | return kFALSE; |
1158 | } | |
025fb458 | 1159 | Float_t relUncertainty1Pt = TMath::Sqrt(extCov[14])*pt; |
73318471 | 1160 | |
1161 | //######################################################################## | |
1162 | // cut the track? | |
1163 | ||
1164 | Bool_t cuts[kNCuts]; | |
1165 | for (Int_t i=0; i<kNCuts; i++) cuts[i]=kFALSE; | |
1166 | ||
1167 | // track quality cuts | |
1168 | if (fCutRequireTPCRefit && (status&AliESDtrack::kTPCrefit)==0) | |
1169 | cuts[0]=kTRUE; | |
a86cf7f4 | 1170 | if (fCutRequireTPCStandAlone && (status&AliESDtrack::kTPCin)==0) |
73318471 | 1171 | cuts[1]=kTRUE; |
a86cf7f4 | 1172 | if (fCutRequireITSRefit && (status&AliESDtrack::kITSrefit)==0) |
73318471 | 1173 | cuts[2]=kTRUE; |
a86cf7f4 | 1174 | if (nClustersTPC<fCutMinNClusterTPC) |
73318471 | 1175 | cuts[3]=kTRUE; |
a86cf7f4 | 1176 | if (nClustersITS<fCutMinNClusterITS) |
1177 | cuts[4]=kTRUE; | |
73318471 | 1178 | if (chi2PerClusterTPC>fCutMaxChi2PerClusterTPC) |
a86cf7f4 | 1179 | cuts[5]=kTRUE; |
73318471 | 1180 | if (chi2PerClusterITS>fCutMaxChi2PerClusterITS) |
a86cf7f4 | 1181 | cuts[6]=kTRUE; |
73318471 | 1182 | if (extCov[0] > fCutMaxC11) |
73318471 | 1183 | cuts[7]=kTRUE; |
a86cf7f4 | 1184 | if (extCov[2] > fCutMaxC22) |
73318471 | 1185 | cuts[8]=kTRUE; |
a86cf7f4 | 1186 | if (extCov[5] > fCutMaxC33) |
73318471 | 1187 | cuts[9]=kTRUE; |
a86cf7f4 | 1188 | if (extCov[9] > fCutMaxC44) |
73318471 | 1189 | cuts[10]=kTRUE; |
a86cf7f4 | 1190 | if (extCov[14] > fCutMaxC55) |
1191 | cuts[11]=kTRUE; | |
4c3dc2a0 | 1192 | |
1193 | // cut 12 and 13 see below | |
1194 | ||
a86cf7f4 | 1195 | if (!fCutAcceptKinkDaughters && esdTrack->GetKinkIndex(0)>0) |
1196 | cuts[14]=kTRUE; | |
73318471 | 1197 | // track kinematics cut |
1198 | if((momentum < fPMin) || (momentum > fPMax)) | |
a86cf7f4 | 1199 | cuts[15]=kTRUE; |
73318471 | 1200 | if((pt < fPtMin) || (pt > fPtMax)) |
73318471 | 1201 | cuts[16] = kTRUE; |
a86cf7f4 | 1202 | if((p[0] < fPxMin) || (p[0] > fPxMax)) |
73318471 | 1203 | cuts[17] = kTRUE; |
a86cf7f4 | 1204 | if((p[1] < fPyMin) || (p[1] > fPyMax)) |
73318471 | 1205 | cuts[18] = kTRUE; |
a86cf7f4 | 1206 | if((p[2] < fPzMin) || (p[2] > fPzMax)) |
73318471 | 1207 | cuts[19] = kTRUE; |
a86cf7f4 | 1208 | if((eta < fEtaMin) || (eta > fEtaMax)) |
73318471 | 1209 | cuts[20] = kTRUE; |
a86cf7f4 | 1210 | if((y < fRapMin) || (y > fRapMax)) |
524916f0 | 1211 | cuts[21] = kTRUE; |
a86cf7f4 | 1212 | if (fCutDCAToVertex2D && dcaToVertex > 1) |
e4617f4e | 1213 | cuts[22] = kTRUE; |
a86cf7f4 | 1214 | if (!fCutDCAToVertex2D && TMath::Abs(dcaToVertexXY) > fCutMaxDCAToVertexXY) |
74687314 | 1215 | cuts[23] = kTRUE; |
a86cf7f4 | 1216 | if (!fCutDCAToVertex2D && TMath::Abs(dcaToVertexZ) > fCutMaxDCAToVertexZ) |
133a5e00 | 1217 | cuts[24] = kTRUE; |
a86cf7f4 | 1218 | if (fCutDCAToVertex2D && fCutMinDCAToVertexXY > 0 && fCutMinDCAToVertexZ > 0 && dcaToVertexXY*dcaToVertexXY/fCutMinDCAToVertexXY/fCutMinDCAToVertexXY + dcaToVertexZ*dcaToVertexZ/fCutMinDCAToVertexZ/fCutMinDCAToVertexZ < 1) |
133a5e00 | 1219 | cuts[25] = kTRUE; |
a86cf7f4 | 1220 | if (!fCutDCAToVertex2D && TMath::Abs(dcaToVertexXY) < fCutMinDCAToVertexXY) |
133a5e00 | 1221 | cuts[26] = kTRUE; |
a86cf7f4 | 1222 | if (!fCutDCAToVertex2D && TMath::Abs(dcaToVertexZ) < fCutMinDCAToVertexZ) |
1223 | cuts[27] = kTRUE; | |
94c06b89 | 1224 | |
1225 | for (Int_t i = 0; i < 3; i++) | |
a86cf7f4 | 1226 | cuts[28+i] = !CheckITSClusterRequirement(fCutClusterRequirementITS[i], esdTrack->HasPointOnITSLayer(i*2), esdTrack->HasPointOnITSLayer(i*2+1)); |
d95684c0 | 1227 | |
0274b76f | 1228 | if(fCutRequireITSStandAlone || fCutRequireITSpureSA){ |
1229 | if ((status & AliESDtrack::kITSin) == 0 || (status & AliESDtrack::kTPCin)){ | |
1230 | // TPC tracks | |
1231 | cuts[31] = kTRUE; | |
1232 | }else{ | |
1233 | // ITS standalone tracks | |
1234 | if(fCutRequireITSStandAlone && !fCutRequireITSpureSA){ | |
1235 | if(status & AliESDtrack::kITSpureSA) cuts[31] = kTRUE; | |
1236 | }else if(fCutRequireITSpureSA){ | |
1237 | if(!(status & AliESDtrack::kITSpureSA)) cuts[31] = kTRUE; | |
1238 | } | |
1239 | } | |
1240 | } | |
f4e7aa32 | 1241 | |
025fb458 | 1242 | if (relUncertainty1Pt > fCutMaxRel1PtUncertainty) |
3128582b | 1243 | cuts[32] = kTRUE; |
1244 | ||
1245 | if (!fCutAcceptSharedTPCClusters && nClustersTPCShared!=0) | |
1246 | cuts[33] = kTRUE; | |
1247 | ||
1248 | if (fracClustersTPCShared > fCutMaxFractionSharedTPCClusters) | |
1249 | cuts[34] = kTRUE; | |
1250 | ||
2a35259b | 1251 | Int_t nITSPointsForPid=0; |
1252 | UChar_t clumap=esdTrack->GetITSClusterMap(); | |
1253 | for(Int_t i=2; i<6; i++){ | |
1254 | if(clumap&(1<<i)) ++nITSPointsForPid; | |
0274b76f | 1255 | } |
2a35259b | 1256 | if(fCutRequireITSPid && nITSPointsForPid<3) cuts[35] = kTRUE; |
1257 | ||
0274b76f | 1258 | |
07b1b131 | 1259 | if (nCrossedRowsTPC<fCutMinNCrossedRowsTPC) |
1260 | cuts[36]=kTRUE; | |
1261 | if (ratioCrossedRowsOverFindableClustersTPC<fCutMinRatioCrossedRowsOverFindableClustersTPC) | |
1262 | cuts[37]=kTRUE; | |
1263 | ||
9023d7ac | 1264 | Int_t nMissITSpts=0; |
1265 | Int_t idet,statusLay; | |
1266 | Float_t xloc,zloc; | |
1267 | for(Int_t iLay=0; iLay<6; iLay++){ | |
1268 | Bool_t retc=esdTrack->GetITSModuleIndexInfo(iLay,idet,statusLay,xloc,zloc); | |
1269 | if(retc && statusLay==5) ++nMissITSpts; | |
1270 | } | |
1271 | if(nMissITSpts>fCutMaxMissingITSPoints) cuts[38] = kTRUE; | |
4c3dc2a0 | 1272 | |
73318471 | 1273 | Bool_t cut=kFALSE; |
1274 | for (Int_t i=0; i<kNCuts; i++) | |
133a5e00 | 1275 | if (cuts[i]) {cut = kTRUE;} |
524916f0 | 1276 | |
4c3dc2a0 | 1277 | // for performance evaluate the CPU intensive cuts only when the others have passed, and when they are requested |
1278 | Double_t chi2TPCConstrainedVsGlobal = -2; | |
1279 | Float_t nSigmaToVertex = -2; | |
1280 | if (!cut) | |
1281 | { | |
1282 | // getting the track to vertex parameters | |
1283 | if (fCutSigmaToVertexRequired) | |
1284 | { | |
1285 | nSigmaToVertex = GetSigmaToVertex(esdTrack); | |
1286 | if (nSigmaToVertex > fCutNsigmaToVertex && fCutSigmaToVertexRequired) | |
1287 | { | |
1288 | cuts[12] = kTRUE; | |
1289 | cut = kTRUE; | |
1290 | } | |
1291 | // if n sigma could not be calculated | |
1292 | if (nSigmaToVertex<0 && fCutSigmaToVertexRequired) | |
1293 | { | |
1294 | cuts[13] = kTRUE; | |
1295 | cut = kTRUE; | |
1296 | } | |
1297 | } | |
1298 | ||
1299 | // max chi2 TPC constrained vs global track only if track passed the other cut | |
1300 | if (fCutMaxChi2TPCConstrainedVsGlobal < 1e9) | |
1301 | { | |
0ecbfc1b | 1302 | const AliESDEvent* esdEvent = esdTrack->GetESDEvent(); |
1303 | ||
4c3dc2a0 | 1304 | if (!esdEvent) |
0ecbfc1b | 1305 | AliFatal("fCutMaxChi2TPCConstrainedVsGlobal set but ESD event not set in AliESDTrack. Use AliESDTrack::SetESDEvent before calling AliESDtrackCuts."); |
4c3dc2a0 | 1306 | |
1307 | // get vertex | |
1308 | const AliESDVertex* vertex = 0; | |
1309 | if (fCutMaxChi2TPCConstrainedVsGlobalVertexType & kVertexTracks) | |
1310 | vertex = esdEvent->GetPrimaryVertexTracks(); | |
1311 | ||
1312 | if ((!vertex || !vertex->GetStatus()) && fCutMaxChi2TPCConstrainedVsGlobalVertexType & kVertexSPD) | |
1313 | vertex = esdEvent->GetPrimaryVertexSPD(); | |
1314 | ||
1315 | if ((!vertex || !vertex->GetStatus()) && fCutMaxChi2TPCConstrainedVsGlobalVertexType & kVertexTPC) | |
1316 | vertex = esdEvent->GetPrimaryVertexTPC(); | |
1317 | ||
1318 | if (vertex->GetStatus()) | |
1319 | chi2TPCConstrainedVsGlobal = esdTrack->GetChi2TPCConstrainedVsGlobal(vertex); | |
1320 | ||
1321 | if (chi2TPCConstrainedVsGlobal < 0 || chi2TPCConstrainedVsGlobal > fCutMaxChi2TPCConstrainedVsGlobal) | |
1322 | { | |
1323 | cuts[39] = kTRUE; | |
1324 | cut = kTRUE; | |
1325 | } | |
1326 | } | |
1327 | } | |
1328 | ||
73318471 | 1329 | //######################################################################## |
1330 | // filling histograms | |
1331 | if (fHistogramsOn) { | |
1332 | fhCutStatistics->Fill(fhCutStatistics->GetBinCenter(fhCutStatistics->GetXaxis()->FindBin("n tracks"))); | |
73318471 | 1333 | if (cut) |
1334 | fhCutStatistics->Fill(fhCutStatistics->GetBinCenter(fhCutStatistics->GetXaxis()->FindBin("n cut tracks"))); | |
1335 | ||
1336 | for (Int_t i=0; i<kNCuts; i++) { | |
ecd4e3ba | 1337 | if (fhCutStatistics->GetXaxis()->FindBin(fgkCutNames[i]) < 1) |
1338 | AliFatal(Form("Inconsistency! Cut %d with name %s not found", i, fgkCutNames[i])); | |
1339 | ||
73318471 | 1340 | if (cuts[i]) |
524916f0 | 1341 | fhCutStatistics->Fill(fhCutStatistics->GetBinCenter(fhCutStatistics->GetXaxis()->FindBin(fgkCutNames[i]))); |
1342 | ||
73318471 | 1343 | for (Int_t j=i; j<kNCuts; j++) { |
524916f0 | 1344 | if (cuts[i] && cuts[j]) { |
1345 | Float_t xC = fhCutCorrelation->GetXaxis()->GetBinCenter(fhCutCorrelation->GetXaxis()->FindBin(fgkCutNames[i])); | |
1346 | Float_t yC = fhCutCorrelation->GetYaxis()->GetBinCenter(fhCutCorrelation->GetYaxis()->FindBin(fgkCutNames[j])); | |
1347 | fhCutCorrelation->Fill(xC, yC); | |
1348 | } | |
73318471 | 1349 | } |
1350 | } | |
73318471 | 1351 | } |
ecd4e3ba | 1352 | |
524916f0 | 1353 | // now we loop over the filling of the histograms twice: once "before" the cut, once "after" |
1354 | // the code is not in a function due to too many local variables that would need to be passed | |
73318471 | 1355 | |
524916f0 | 1356 | for (Int_t id = 0; id < 2; id++) |
1357 | { | |
1358 | // id = 0 --> before cut | |
1359 | // id = 1 --> after cut | |
73318471 | 1360 | |
524916f0 | 1361 | if (fHistogramsOn) |
73318471 | 1362 | { |
524916f0 | 1363 | fhNClustersITS[id]->Fill(nClustersITS); |
1364 | fhNClustersTPC[id]->Fill(nClustersTPC); | |
9023d7ac | 1365 | fhNSharedClustersTPC[id]->Fill(nClustersTPCShared); |
07b1b131 | 1366 | fhNCrossedRowsTPC[id]->Fill(nCrossedRowsTPC); |
1367 | fhRatioCrossedRowsOverFindableClustersTPC[id]->Fill(ratioCrossedRowsOverFindableClustersTPC); | |
524916f0 | 1368 | fhChi2PerClusterITS[id]->Fill(chi2PerClusterITS); |
1369 | fhChi2PerClusterTPC[id]->Fill(chi2PerClusterTPC); | |
4c3dc2a0 | 1370 | fhChi2TPCConstrainedVsGlobal[id]->Fill(chi2TPCConstrainedVsGlobal); |
2a35259b | 1371 | fhNClustersForITSPID[id]->Fill(nITSPointsForPid); |
1372 | fhNMissingITSPoints[id]->Fill(nMissITSpts); | |
524916f0 | 1373 | |
1374 | fhC11[id]->Fill(extCov[0]); | |
1375 | fhC22[id]->Fill(extCov[2]); | |
1376 | fhC33[id]->Fill(extCov[5]); | |
1377 | fhC44[id]->Fill(extCov[9]); | |
1378 | fhC55[id]->Fill(extCov[14]); | |
1379 | ||
025fb458 | 1380 | fhRel1PtUncertainty[id]->Fill(relUncertainty1Pt); |
1381 | ||
524916f0 | 1382 | fhPt[id]->Fill(pt); |
1383 | fhEta[id]->Fill(eta); | |
1384 | ||
1385 | Float_t bRes[2]; | |
1386 | bRes[0] = TMath::Sqrt(bCov[0]); | |
1387 | bRes[1] = TMath::Sqrt(bCov[2]); | |
1388 | ||
1389 | fhDZ[id]->Fill(b[1]); | |
1390 | fhDXY[id]->Fill(b[0]); | |
1391 | fhDXYDZ[id]->Fill(dcaToVertex); | |
1392 | fhDXYvsDZ[id]->Fill(b[1],b[0]); | |
1393 | ||
1394 | if (bRes[0]!=0 && bRes[1]!=0) { | |
1395 | fhDZNormalized[id]->Fill(b[1]/bRes[1]); | |
1396 | fhDXYNormalized[id]->Fill(b[0]/bRes[0]); | |
1397 | fhDXYvsDZNormalized[id]->Fill(b[1]/bRes[1], b[0]/bRes[0]); | |
1398 | fhNSigmaToVertex[id]->Fill(nSigmaToVertex); | |
1399 | } | |
73318471 | 1400 | } |
524916f0 | 1401 | |
1402 | // cut the track | |
1403 | if (cut) | |
1404 | return kFALSE; | |
73318471 | 1405 | } |
1406 | ||
1407 | return kTRUE; | |
1408 | } | |
1409 | ||
94c06b89 | 1410 | //____________________________________________________________________ |
1411 | Bool_t AliESDtrackCuts::CheckITSClusterRequirement(ITSClusterRequirement req, Bool_t clusterL1, Bool_t clusterL2) | |
1412 | { | |
1413 | // checks if the cluster requirement is fullfilled (in this case: return kTRUE) | |
1414 | ||
1415 | switch (req) | |
1416 | { | |
1417 | case kOff: return kTRUE; | |
1418 | case kNone: return !clusterL1 && !clusterL2; | |
1419 | case kAny: return clusterL1 || clusterL2; | |
1420 | case kFirst: return clusterL1; | |
1421 | case kOnlyFirst: return clusterL1 && !clusterL2; | |
1422 | case kSecond: return clusterL2; | |
1423 | case kOnlySecond: return clusterL2 && !clusterL1; | |
1424 | case kBoth: return clusterL1 && clusterL2; | |
1425 | } | |
1426 | ||
1427 | return kFALSE; | |
1428 | } | |
1429 | ||
73318471 | 1430 | //____________________________________________________________________ |
4fd6a75d | 1431 | AliESDtrack* AliESDtrackCuts::GetTPCOnlyTrack(const AliESDEvent* esd, Int_t iTrack) |
73318471 | 1432 | { |
4c3dc2a0 | 1433 | // Utility function to create a TPC only track from the given esd track |
b7b857f0 | 1434 | // |
1435 | // IMPORTANT: The track has to be deleted by the user | |
73318471 | 1436 | // |
524916f0 | 1437 | // NB. most of the functionality to get a TPC only track from an ESD track is in AliESDtrack, where it should be |
1438 | // there are only missing propagations here that are needed for old data | |
1439 | // this function will therefore become obsolete | |
73318471 | 1440 | // |
524916f0 | 1441 | // adapted from code provided by CKB |
73318471 | 1442 | |
524916f0 | 1443 | if (!esd->GetPrimaryVertexTPC()) |
1444 | return 0; // No TPC vertex no TPC tracks | |
73318471 | 1445 | |
91c88f16 | 1446 | if(!esd->GetPrimaryVertexTPC()->GetStatus()) |
1447 | return 0; // TPC Vertex is created by default in AliESDEvent, do not use in this case | |
91c88f16 | 1448 | |
524916f0 | 1449 | AliESDtrack* track = esd->GetTrack(iTrack); |
1450 | if (!track) | |
1451 | return 0; | |
36853ddd | 1452 | |
524916f0 | 1453 | AliESDtrack *tpcTrack = new AliESDtrack(); |
73318471 | 1454 | |
524916f0 | 1455 | // only true if we have a tpc track |
1456 | if (!track->FillTPCOnlyTrack(*tpcTrack)) | |
1457 | { | |
1458 | delete tpcTrack; | |
1459 | return 0; | |
73318471 | 1460 | } |
1461 | ||
524916f0 | 1462 | return tpcTrack; |
73318471 | 1463 | } |
1464 | ||
1465 | //____________________________________________________________________ | |
4c3dc2a0 | 1466 | TObjArray* AliESDtrackCuts::GetAcceptedTracks(const AliESDEvent* esd, Bool_t bTPC) |
73318471 | 1467 | { |
1468 | // | |
1469 | // returns an array of all tracks that pass the cuts | |
36853ddd | 1470 | // or an array of TPC only tracks (propagated to the TPC vertex during reco) |
1471 | // tracks that pass the cut | |
ecd4e3ba | 1472 | // |
1473 | // NOTE: List has to be deleted by the user | |
73318471 | 1474 | |
1475 | TObjArray* acceptedTracks = new TObjArray(); | |
1476 | ||
1477 | // loop over esd tracks | |
1478 | for (Int_t iTrack = 0; iTrack < esd->GetNumberOfTracks(); iTrack++) { | |
36853ddd | 1479 | if(bTPC){ |
1480 | if(!esd->GetPrimaryVertexTPC())return acceptedTracks; // No TPC vertex no TPC tracks | |
91c88f16 | 1481 | if(!esd->GetPrimaryVertexTPC()->GetStatus())return acceptedTracks; // No proper TPC vertex, only the default |
36853ddd | 1482 | |
524916f0 | 1483 | AliESDtrack *tpcTrack = GetTPCOnlyTrack(esd, iTrack); |
1484 | if (!tpcTrack) | |
1485 | continue; | |
1486 | ||
0ecbfc1b | 1487 | if (AcceptTrack(tpcTrack)) { |
524916f0 | 1488 | acceptedTracks->Add(tpcTrack); |
36853ddd | 1489 | } |
524916f0 | 1490 | else |
1491 | delete tpcTrack; | |
1492 | } | |
1493 | else | |
1494 | { | |
1495 | AliESDtrack* track = esd->GetTrack(iTrack); | |
0ecbfc1b | 1496 | if(AcceptTrack(track)) |
524916f0 | 1497 | acceptedTracks->Add(track); |
36853ddd | 1498 | } |
36853ddd | 1499 | } |
1500 | if(bTPC)acceptedTracks->SetOwner(kTRUE); | |
73318471 | 1501 | return acceptedTracks; |
1502 | } | |
1503 | ||
1504 | //____________________________________________________________________ | |
f7ce7a37 | 1505 | Int_t AliESDtrackCuts::CountAcceptedTracks(const AliESDEvent* const esd) |
73318471 | 1506 | { |
1507 | // | |
1508 | // returns an the number of tracks that pass the cuts | |
1509 | // | |
1510 | ||
1511 | Int_t count = 0; | |
1512 | ||
1513 | // loop over esd tracks | |
1514 | for (Int_t iTrack = 0; iTrack < esd->GetNumberOfTracks(); iTrack++) { | |
1515 | AliESDtrack* track = esd->GetTrack(iTrack); | |
0ecbfc1b | 1516 | if (AcceptTrack(track)) |
73318471 | 1517 | count++; |
1518 | } | |
1519 | ||
1520 | return count; | |
1521 | } | |
1522 | ||
1523 | //____________________________________________________________________ | |
1524 | void AliESDtrackCuts::DefineHistograms(Int_t color) { | |
1525 | // | |
1526 | // diagnostics histograms are defined | |
1527 | // | |
1528 | ||
1529 | fHistogramsOn=kTRUE; | |
1530 | ||
1531 | Bool_t oldStatus = TH1::AddDirectoryStatus(); | |
1532 | TH1::AddDirectory(kFALSE); | |
1533 | ||
1534 | //################################################################################### | |
1535 | // defining histograms | |
1536 | ||
1537 | fhCutStatistics = new TH1F("cut_statistics","cut statistics",kNCuts+4,-0.5,kNCuts+3.5); | |
1538 | ||
1539 | fhCutStatistics->GetXaxis()->SetBinLabel(1,"n tracks"); | |
1540 | fhCutStatistics->GetXaxis()->SetBinLabel(2,"n cut tracks"); | |
1541 | ||
1542 | fhCutCorrelation = new TH2F("cut_correlation","cut correlation",kNCuts,-0.5,kNCuts-0.5,kNCuts,-0.5,kNCuts-0.5);; | |
1543 | ||
1544 | for (Int_t i=0; i<kNCuts; i++) { | |
1545 | fhCutStatistics->GetXaxis()->SetBinLabel(i+4,fgkCutNames[i]); | |
1546 | fhCutCorrelation->GetXaxis()->SetBinLabel(i+1,fgkCutNames[i]); | |
1547 | fhCutCorrelation->GetYaxis()->SetBinLabel(i+1,fgkCutNames[i]); | |
0f712a2e | 1548 | } |
73318471 | 1549 | |
1550 | fhCutStatistics ->SetLineColor(color); | |
1551 | fhCutCorrelation ->SetLineColor(color); | |
1552 | fhCutStatistics ->SetLineWidth(2); | |
1553 | fhCutCorrelation ->SetLineWidth(2); | |
1554 | ||
73318471 | 1555 | for (Int_t i=0; i<2; i++) { |
524916f0 | 1556 | fhNClustersITS[i] = new TH1F("nClustersITS" ,"",8,-0.5,7.5); |
1557 | fhNClustersTPC[i] = new TH1F("nClustersTPC" ,"",165,-0.5,164.5); | |
9023d7ac | 1558 | fhNSharedClustersTPC[i] = new TH1F("nSharedClustersTPC" ,"",165,-0.5,164.5); |
07b1b131 | 1559 | fhNCrossedRowsTPC[i] = new TH1F("nCrossedRowsTPC" ,"",165,-0.5,164.5); |
1560 | fhRatioCrossedRowsOverFindableClustersTPC[i] = new TH1F("ratioCrossedRowsOverFindableClustersTPC" ,"",60,0,1.5); | |
524916f0 | 1561 | fhChi2PerClusterITS[i] = new TH1F("chi2PerClusterITS","",500,0,10); |
1562 | fhChi2PerClusterTPC[i] = new TH1F("chi2PerClusterTPC","",500,0,10); | |
4c3dc2a0 | 1563 | fhChi2TPCConstrainedVsGlobal[i] = new TH1F("chi2TPCConstrainedVsGlobal","",600,-2,50); |
2a35259b | 1564 | fhNClustersForITSPID[i] = new TH1F("nPointsForITSpid","",5,-0.5,4.5); |
1565 | fhNMissingITSPoints[i] = new TH1F("nMissingITSClusters","",7,-0.5,6.5); | |
524916f0 | 1566 | |
1567 | fhC11[i] = new TH1F("covMatrixDiagonal11","",2000,0,20); | |
1568 | fhC22[i] = new TH1F("covMatrixDiagonal22","",2000,0,20); | |
0f712a2e | 1569 | fhC33[i] = new TH1F("covMatrixDiagonal33","",1000,0,0.1); |
1570 | fhC44[i] = new TH1F("covMatrixDiagonal44","",1000,0,0.1); | |
524916f0 | 1571 | fhC55[i] = new TH1F("covMatrixDiagonal55","",1000,0,5); |
1572 | ||
025fb458 | 1573 | fhRel1PtUncertainty[i] = new TH1F("rel1PtUncertainty","",1000,0,5); |
1574 | ||
524916f0 | 1575 | fhDXY[i] = new TH1F("dXY" ,"",500,-10,10); |
1576 | fhDZ[i] = new TH1F("dZ" ,"",500,-10,10); | |
1577 | fhDXYDZ[i] = new TH1F("dXYDZ" ,"",500,0,10); | |
1578 | fhDXYvsDZ[i] = new TH2F("dXYvsDZ","",200,-10,10,200,-10,10); | |
1579 | ||
1580 | fhDXYNormalized[i] = new TH1F("dXYNormalized" ,"",500,-10,10); | |
1581 | fhDZNormalized[i] = new TH1F("dZNormalized" ,"",500,-10,10); | |
1582 | fhDXYvsDZNormalized[i] = new TH2F("dXYvsDZNormalized","",200,-10,10,200,-10,10); | |
1583 | ||
1584 | fhNSigmaToVertex[i] = new TH1F("nSigmaToVertex","",500,0,10); | |
1585 | ||
86f0e195 | 1586 | fhPt[i] = new TH1F("pt" ,"p_{T} distribution;p_{T} (GeV/c)", 800, 0.0, 10.0); |
524916f0 | 1587 | fhEta[i] = new TH1F("eta" ,"#eta distribution;#eta",40,-2.0,2.0); |
73318471 | 1588 | |
1589 | fhNClustersITS[i]->SetTitle("n ITS clusters"); | |
1590 | fhNClustersTPC[i]->SetTitle("n TPC clusters"); | |
9023d7ac | 1591 | fhNSharedClustersTPC[i]->SetTitle("n TPC shared clusters"); |
73318471 | 1592 | fhChi2PerClusterITS[i]->SetTitle("#Chi^{2} per ITS cluster"); |
1593 | fhChi2PerClusterTPC[i]->SetTitle("#Chi^{2} per TPC cluster"); | |
4c3dc2a0 | 1594 | fhChi2TPCConstrainedVsGlobal[i]->SetTitle("#Chi^{2} TPC constrained track vs global track"); |
2a35259b | 1595 | fhNClustersForITSPID[i]->SetTitle("n ITS points for PID"); |
1596 | fhNMissingITSPoints[i]->SetTitle("n ITS layers with missing cluster"); | |
73318471 | 1597 | |
1598 | fhC11[i]->SetTitle("cov 11 : #sigma_{y}^{2} [cm^{2}]"); | |
1599 | fhC22[i]->SetTitle("cov 22 : #sigma_{z}^{2} [cm^{2}]"); | |
1600 | fhC33[i]->SetTitle("cov 33 : #sigma_{sin(#phi)}^{2}"); | |
1601 | fhC44[i]->SetTitle("cov 44 : #sigma_{tan(#theta_{dip})}^{2}"); | |
1602 | fhC55[i]->SetTitle("cov 55 : #sigma_{1/p_{T}}^{2} [(c/GeV)^2]"); | |
1603 | ||
025fb458 | 1604 | fhRel1PtUncertainty[i]->SetTitle("rel. uncertainty of 1/p_{T}"); |
1605 | ||
86f0e195 | 1606 | fhDXY[i]->SetXTitle("transverse impact parameter (cm)"); |
1607 | fhDZ[i]->SetXTitle("longitudinal impact parameter (cm)"); | |
1608 | fhDXYDZ[i]->SetTitle("absolute impact parameter;sqrt(dXY**2 + dZ**2) (cm)"); | |
1609 | fhDXYvsDZ[i]->SetXTitle("longitudinal impact parameter (cm)"); | |
1610 | fhDXYvsDZ[i]->SetYTitle("transverse impact parameter (cm)"); | |
73318471 | 1611 | |
86f0e195 | 1612 | fhDXYNormalized[i]->SetTitle("normalized trans impact par (n#sigma)"); |
1613 | fhDZNormalized[i]->SetTitle("normalized long impact par (n#sigma)"); | |
1614 | fhDXYvsDZNormalized[i]->SetTitle("normalized long impact par (n#sigma)"); | |
1615 | fhDXYvsDZNormalized[i]->SetYTitle("normalized trans impact par (n#sigma)"); | |
73318471 | 1616 | fhNSigmaToVertex[i]->SetTitle("n #sigma to vertex"); |
1617 | ||
1618 | fhNClustersITS[i]->SetLineColor(color); fhNClustersITS[i]->SetLineWidth(2); | |
1619 | fhNClustersTPC[i]->SetLineColor(color); fhNClustersTPC[i]->SetLineWidth(2); | |
9023d7ac | 1620 | fhNSharedClustersTPC[i]->SetLineColor(color); fhNSharedClustersTPC[i]->SetLineWidth(2); |
73318471 | 1621 | fhChi2PerClusterITS[i]->SetLineColor(color); fhChi2PerClusterITS[i]->SetLineWidth(2); |
1622 | fhChi2PerClusterTPC[i]->SetLineColor(color); fhChi2PerClusterTPC[i]->SetLineWidth(2); | |
4c3dc2a0 | 1623 | fhChi2TPCConstrainedVsGlobal[i]->SetLineColor(color); fhChi2TPCConstrainedVsGlobal[i]->SetLineWidth(2); |
2a35259b | 1624 | fhNClustersForITSPID[i]->SetLineColor(color); fhNClustersForITSPID[i]->SetLineWidth(2); |
1625 | fhNMissingITSPoints[i]->SetLineColor(color); fhNMissingITSPoints[i]->SetLineWidth(2); | |
73318471 | 1626 | |
1627 | fhC11[i]->SetLineColor(color); fhC11[i]->SetLineWidth(2); | |
1628 | fhC22[i]->SetLineColor(color); fhC22[i]->SetLineWidth(2); | |
1629 | fhC33[i]->SetLineColor(color); fhC33[i]->SetLineWidth(2); | |
1630 | fhC44[i]->SetLineColor(color); fhC44[i]->SetLineWidth(2); | |
1631 | fhC55[i]->SetLineColor(color); fhC55[i]->SetLineWidth(2); | |
1632 | ||
025fb458 | 1633 | fhRel1PtUncertainty[i]->SetLineColor(color); fhRel1PtUncertainty[i]->SetLineWidth(2); |
1634 | ||
73318471 | 1635 | fhDXY[i]->SetLineColor(color); fhDXY[i]->SetLineWidth(2); |
524916f0 | 1636 | fhDZ[i]->SetLineColor(color); fhDZ[i]->SetLineWidth(2); |
1637 | fhDXYDZ[i]->SetLineColor(color); fhDXYDZ[i]->SetLineWidth(2); | |
73318471 | 1638 | |
1639 | fhDXYNormalized[i]->SetLineColor(color); fhDXYNormalized[i]->SetLineWidth(2); | |
1640 | fhDZNormalized[i]->SetLineColor(color); fhDZNormalized[i]->SetLineWidth(2); | |
1641 | fhNSigmaToVertex[i]->SetLineColor(color); fhNSigmaToVertex[i]->SetLineWidth(2); | |
1642 | } | |
1643 | ||
1644 | // The number of sigmas to the vertex is per definition gaussian | |
1645 | ffDTheoretical = new TF1("nSigmaToVertexTheoretical","([0]/2.506628274)*exp(-(x**2)/2)",0,50); | |
1646 | ffDTheoretical->SetParameter(0,1); | |
524916f0 | 1647 | |
73318471 | 1648 | TH1::AddDirectory(oldStatus); |
1649 | } | |
1650 | ||
1651 | //____________________________________________________________________ | |
1652 | Bool_t AliESDtrackCuts::LoadHistograms(const Char_t* dir) | |
1653 | { | |
1654 | // | |
1655 | // loads the histograms from a file | |
1656 | // if dir is empty a directory with the name of this object is taken (like in SaveHistogram) | |
1657 | // | |
1658 | ||
1659 | if (!dir) | |
1660 | dir = GetName(); | |
1661 | ||
1662 | if (!gDirectory->cd(dir)) | |
1663 | return kFALSE; | |
1664 | ||
1665 | ffDTheoretical = dynamic_cast<TF1*> (gDirectory->Get("nSigmaToVertexTheory")); | |
1666 | ||
1667 | fhCutStatistics = dynamic_cast<TH1F*> (gDirectory->Get("cut_statistics")); | |
1668 | fhCutCorrelation = dynamic_cast<TH2F*> (gDirectory->Get("cut_correlation")); | |
1669 | ||
73318471 | 1670 | for (Int_t i=0; i<2; i++) { |
1671 | if (i==0) | |
1672 | { | |
1673 | gDirectory->cd("before_cuts"); | |
73318471 | 1674 | } |
1675 | else | |
73318471 | 1676 | gDirectory->cd("after_cuts"); |
73318471 | 1677 | |
524916f0 | 1678 | fhNClustersITS[i] = dynamic_cast<TH1F*> (gDirectory->Get("nClustersITS" )); |
1679 | fhNClustersTPC[i] = dynamic_cast<TH1F*> (gDirectory->Get("nClustersTPC" )); | |
9023d7ac | 1680 | fhNSharedClustersTPC[i] = dynamic_cast<TH1F*> (gDirectory->Get("nSharedClustersTPC" )); |
07b1b131 | 1681 | fhNCrossedRowsTPC[i] = dynamic_cast<TH1F*> (gDirectory->Get("nCrossedRowsTPC" )); |
1682 | fhRatioCrossedRowsOverFindableClustersTPC[i] = dynamic_cast<TH1F*> (gDirectory->Get("ratioCrossedRowsOverFindableClustersTPC" )); | |
524916f0 | 1683 | fhChi2PerClusterITS[i] = dynamic_cast<TH1F*> (gDirectory->Get("chi2PerClusterITS")); |
1684 | fhChi2PerClusterTPC[i] = dynamic_cast<TH1F*> (gDirectory->Get("chi2PerClusterTPC")); | |
4c3dc2a0 | 1685 | fhChi2TPCConstrainedVsGlobal[i] = dynamic_cast<TH1F*> (gDirectory->Get("fhChi2TPCConstrainedVsGlobal")); |
2a35259b | 1686 | fhNClustersForITSPID[i] = dynamic_cast<TH1F*> (gDirectory->Get("nPointsForITSpid")); |
1687 | fhNMissingITSPoints[i] = dynamic_cast<TH1F*> (gDirectory->Get("nMissingITSClusters")); | |
73318471 | 1688 | |
524916f0 | 1689 | fhC11[i] = dynamic_cast<TH1F*> (gDirectory->Get("covMatrixDiagonal11")); |
1690 | fhC22[i] = dynamic_cast<TH1F*> (gDirectory->Get("covMatrixDiagonal22")); | |
1691 | fhC33[i] = dynamic_cast<TH1F*> (gDirectory->Get("covMatrixDiagonal33")); | |
1692 | fhC44[i] = dynamic_cast<TH1F*> (gDirectory->Get("covMatrixDiagonal44")); | |
1693 | fhC55[i] = dynamic_cast<TH1F*> (gDirectory->Get("covMatrixDiagonal55")); | |
73318471 | 1694 | |
025fb458 | 1695 | fhRel1PtUncertainty[i] = dynamic_cast<TH1F*> (gDirectory->Get("rel1PtUncertainty")); |
1696 | ||
524916f0 | 1697 | fhDXY[i] = dynamic_cast<TH1F*> (gDirectory->Get("dXY" )); |
1698 | fhDZ[i] = dynamic_cast<TH1F*> (gDirectory->Get("dZ" )); | |
1699 | fhDXYDZ[i] = dynamic_cast<TH1F*> (gDirectory->Get("dXYDZ")); | |
1700 | fhDXYvsDZ[i] = dynamic_cast<TH2F*> (gDirectory->Get("dXYvsDZ")); | |
73318471 | 1701 | |
524916f0 | 1702 | fhDXYNormalized[i] = dynamic_cast<TH1F*> (gDirectory->Get("dXYNormalized" )); |
1703 | fhDZNormalized[i] = dynamic_cast<TH1F*> (gDirectory->Get("dZNormalized" )); | |
1704 | fhDXYvsDZNormalized[i] = dynamic_cast<TH2F*> (gDirectory->Get("dXYvsDZNormalized")); | |
1705 | fhNSigmaToVertex[i] = dynamic_cast<TH1F*> (gDirectory->Get("nSigmaToVertex")); | |
73318471 | 1706 | |
524916f0 | 1707 | fhPt[i] = dynamic_cast<TH1F*> (gDirectory->Get("pt")); |
1708 | fhEta[i] = dynamic_cast<TH1F*> (gDirectory->Get("eta")); | |
73318471 | 1709 | |
1710 | gDirectory->cd("../"); | |
1711 | } | |
1712 | ||
1713 | gDirectory->cd(".."); | |
1714 | ||
1715 | return kTRUE; | |
1716 | } | |
1717 | ||
1718 | //____________________________________________________________________ | |
1719 | void AliESDtrackCuts::SaveHistograms(const Char_t* dir) { | |
1720 | // | |
1721 | // saves the histograms in a directory (dir) | |
1722 | // | |
1723 | ||
1724 | if (!fHistogramsOn) { | |
1725 | AliDebug(0, "Histograms not on - cannot save histograms!!!"); | |
1726 | return; | |
1727 | } | |
1728 | ||
1729 | if (!dir) | |
1730 | dir = GetName(); | |
1731 | ||
1732 | gDirectory->mkdir(dir); | |
1733 | gDirectory->cd(dir); | |
1734 | ||
1735 | gDirectory->mkdir("before_cuts"); | |
1736 | gDirectory->mkdir("after_cuts"); | |
1737 | ||
1738 | // a factor of 2 is needed since n sigma is positive | |
1739 | ffDTheoretical->SetParameter(0,2*fhNSigmaToVertex[0]->Integral("width")); | |
1740 | ffDTheoretical->Write("nSigmaToVertexTheory"); | |
1741 | ||
1742 | fhCutStatistics->Write(); | |
1743 | fhCutCorrelation->Write(); | |
1744 | ||
1745 | for (Int_t i=0; i<2; i++) { | |
1746 | if (i==0) | |
1747 | gDirectory->cd("before_cuts"); | |
1748 | else | |
1749 | gDirectory->cd("after_cuts"); | |
1750 | ||
1751 | fhNClustersITS[i] ->Write(); | |
1752 | fhNClustersTPC[i] ->Write(); | |
9023d7ac | 1753 | fhNSharedClustersTPC[i] ->Write(); |
07b1b131 | 1754 | fhNCrossedRowsTPC[i] ->Write(); |
1755 | fhRatioCrossedRowsOverFindableClustersTPC[i] ->Write(); | |
73318471 | 1756 | fhChi2PerClusterITS[i] ->Write(); |
1757 | fhChi2PerClusterTPC[i] ->Write(); | |
4c3dc2a0 | 1758 | fhChi2TPCConstrainedVsGlobal[i] ->Write(); |
2a35259b | 1759 | fhNClustersForITSPID[i] ->Write(); |
1760 | fhNMissingITSPoints[i] ->Write(); | |
73318471 | 1761 | |
1762 | fhC11[i] ->Write(); | |
1763 | fhC22[i] ->Write(); | |
1764 | fhC33[i] ->Write(); | |
1765 | fhC44[i] ->Write(); | |
1766 | fhC55[i] ->Write(); | |
1767 | ||
025fb458 | 1768 | fhRel1PtUncertainty[i] ->Write(); |
1769 | ||
73318471 | 1770 | fhDXY[i] ->Write(); |
1771 | fhDZ[i] ->Write(); | |
524916f0 | 1772 | fhDXYDZ[i] ->Write(); |
73318471 | 1773 | fhDXYvsDZ[i] ->Write(); |
1774 | ||
1775 | fhDXYNormalized[i] ->Write(); | |
1776 | fhDZNormalized[i] ->Write(); | |
1777 | fhDXYvsDZNormalized[i] ->Write(); | |
1778 | fhNSigmaToVertex[i] ->Write(); | |
1779 | ||
1780 | fhPt[i] ->Write(); | |
1781 | fhEta[i] ->Write(); | |
1782 | ||
1783 | gDirectory->cd("../"); | |
1784 | } | |
1785 | ||
1786 | gDirectory->cd("../"); | |
1787 | } | |
1788 | ||
1789 | //____________________________________________________________________ | |
1790 | void AliESDtrackCuts::DrawHistograms() | |
1791 | { | |
1792 | // draws some histograms | |
1793 | ||
1794 | TCanvas* canvas1 = new TCanvas(Form("%s_1", GetName()), "Track Quality Results1", 800, 800); | |
1795 | canvas1->Divide(2, 2); | |
1796 | ||
1797 | canvas1->cd(1); | |
1798 | fhNClustersTPC[0]->SetStats(kFALSE); | |
1799 | fhNClustersTPC[0]->Draw(); | |
1800 | ||
1801 | canvas1->cd(2); | |
1802 | fhChi2PerClusterTPC[0]->SetStats(kFALSE); | |
1803 | fhChi2PerClusterTPC[0]->Draw(); | |
1804 | ||
1805 | canvas1->cd(3); | |
1806 | fhNSigmaToVertex[0]->SetStats(kFALSE); | |
1807 | fhNSigmaToVertex[0]->GetXaxis()->SetRangeUser(0, 10); | |
1808 | fhNSigmaToVertex[0]->Draw(); | |
1809 | ||
1810 | canvas1->SaveAs(Form("%s_%s.gif", GetName(), canvas1->GetName())); | |
1811 | ||
1812 | TCanvas* canvas2 = new TCanvas(Form("%s_2", GetName()), "Track Quality Results2", 1200, 800); | |
1813 | canvas2->Divide(3, 2); | |
1814 | ||
1815 | canvas2->cd(1); | |
1816 | fhC11[0]->SetStats(kFALSE); | |
1817 | gPad->SetLogy(); | |
1818 | fhC11[0]->Draw(); | |
1819 | ||
1820 | canvas2->cd(2); | |
1821 | fhC22[0]->SetStats(kFALSE); | |
1822 | gPad->SetLogy(); | |
1823 | fhC22[0]->Draw(); | |
1824 | ||
1825 | canvas2->cd(3); | |
1826 | fhC33[0]->SetStats(kFALSE); | |
1827 | gPad->SetLogy(); | |
1828 | fhC33[0]->Draw(); | |
1829 | ||
1830 | canvas2->cd(4); | |
1831 | fhC44[0]->SetStats(kFALSE); | |
1832 | gPad->SetLogy(); | |
1833 | fhC44[0]->Draw(); | |
1834 | ||
1835 | canvas2->cd(5); | |
1836 | fhC55[0]->SetStats(kFALSE); | |
1837 | gPad->SetLogy(); | |
1838 | fhC55[0]->Draw(); | |
1839 | ||
025fb458 | 1840 | canvas2->cd(6); |
1841 | fhRel1PtUncertainty[0]->SetStats(kFALSE); | |
1842 | gPad->SetLogy(); | |
1843 | fhRel1PtUncertainty[0]->Draw(); | |
1844 | ||
73318471 | 1845 | canvas2->SaveAs(Form("%s_%s.gif", GetName(), canvas2->GetName())); |
1846 | ||
1847 | TCanvas* canvas3 = new TCanvas(Form("%s_3", GetName()), "Track Quality Results3", 1200, 800); | |
1848 | canvas3->Divide(3, 2); | |
1849 | ||
1850 | canvas3->cd(1); | |
1851 | fhDXY[0]->SetStats(kFALSE); | |
1852 | gPad->SetLogy(); | |
1853 | fhDXY[0]->Draw(); | |
1854 | ||
1855 | canvas3->cd(2); | |
1856 | fhDZ[0]->SetStats(kFALSE); | |
1857 | gPad->SetLogy(); | |
1858 | fhDZ[0]->Draw(); | |
1859 | ||
1860 | canvas3->cd(3); | |
1861 | fhDXYvsDZ[0]->SetStats(kFALSE); | |
1862 | gPad->SetLogz(); | |
1863 | gPad->SetRightMargin(0.15); | |
1864 | fhDXYvsDZ[0]->Draw("COLZ"); | |
1865 | ||
1866 | canvas3->cd(4); | |
1867 | fhDXYNormalized[0]->SetStats(kFALSE); | |
1868 | gPad->SetLogy(); | |
1869 | fhDXYNormalized[0]->Draw(); | |
1870 | ||
1871 | canvas3->cd(5); | |
1872 | fhDZNormalized[0]->SetStats(kFALSE); | |
1873 | gPad->SetLogy(); | |
1874 | fhDZNormalized[0]->Draw(); | |
1875 | ||
1876 | canvas3->cd(6); | |
1877 | fhDXYvsDZNormalized[0]->SetStats(kFALSE); | |
1878 | gPad->SetLogz(); | |
1879 | gPad->SetRightMargin(0.15); | |
1880 | fhDXYvsDZNormalized[0]->Draw("COLZ"); | |
1881 | ||
1882 | canvas3->SaveAs(Form("%s_%s.gif", GetName(), canvas3->GetName())); | |
1883 | ||
1884 | TCanvas* canvas4 = new TCanvas(Form("%s_4", GetName()), "Track Quality Results4", 800, 500); | |
1885 | canvas4->Divide(2, 1); | |
1886 | ||
1887 | canvas4->cd(1); | |
1888 | fhCutStatistics->SetStats(kFALSE); | |
1889 | fhCutStatistics->LabelsOption("v"); | |
1890 | gPad->SetBottomMargin(0.3); | |
1891 | fhCutStatistics->Draw(); | |
1892 | ||
1893 | canvas4->cd(2); | |
1894 | fhCutCorrelation->SetStats(kFALSE); | |
1895 | fhCutCorrelation->LabelsOption("v"); | |
1896 | gPad->SetBottomMargin(0.3); | |
1897 | gPad->SetLeftMargin(0.3); | |
1898 | fhCutCorrelation->Draw("COLZ"); | |
1899 | ||
1900 | canvas4->SaveAs(Form("%s_%s.gif", GetName(), canvas4->GetName())); | |
1901 | ||
1902 | /*canvas->cd(1); | |
1903 | fhDXYvsDZNormalized[0]->SetStats(kFALSE); | |
1904 | fhDXYvsDZNormalized[0]->DrawCopy("COLZ"); | |
1905 | ||
1906 | canvas->cd(2); | |
1907 | fhNClustersTPC[0]->SetStats(kFALSE); | |
1908 | fhNClustersTPC[0]->DrawCopy(); | |
1909 | ||
1910 | canvas->cd(3); | |
1911 | fhChi2PerClusterITS[0]->SetStats(kFALSE); | |
1912 | fhChi2PerClusterITS[0]->DrawCopy(); | |
1913 | fhChi2PerClusterITS[1]->SetLineColor(2); | |
1914 | fhChi2PerClusterITS[1]->DrawCopy("SAME"); | |
1915 | ||
1916 | canvas->cd(4); | |
1917 | fhChi2PerClusterTPC[0]->SetStats(kFALSE); | |
1918 | fhChi2PerClusterTPC[0]->DrawCopy(); | |
1919 | fhChi2PerClusterTPC[1]->SetLineColor(2); | |
1920 | fhChi2PerClusterTPC[1]->DrawCopy("SAME");*/ | |
1921 | } | |
f4e7aa32 | 1922 | //-------------------------------------------------------------------------- |
1923 | void AliESDtrackCuts::SetPtDepDCACuts(Double_t pt) { | |
1924 | // | |
1925 | // set the pt-dependent DCA cuts | |
1926 | // | |
1927 | ||
f328399b | 1928 | if(f1CutMaxDCAToVertexXYPtDep) { |
1929 | fCutMaxDCAToVertexXY=f1CutMaxDCAToVertexXYPtDep->Eval(pt); | |
f4e7aa32 | 1930 | } |
1931 | ||
f328399b | 1932 | if(f1CutMaxDCAToVertexZPtDep) { |
1933 | fCutMaxDCAToVertexZ=f1CutMaxDCAToVertexZPtDep->Eval(pt); | |
f4e7aa32 | 1934 | } |
1935 | ||
f328399b | 1936 | if(f1CutMinDCAToVertexXYPtDep) { |
1937 | fCutMinDCAToVertexXY=f1CutMinDCAToVertexXYPtDep->Eval(pt); | |
f4e7aa32 | 1938 | } |
1939 | ||
f328399b | 1940 | if(f1CutMinDCAToVertexZPtDep) { |
1941 | fCutMinDCAToVertexZ=f1CutMinDCAToVertexZPtDep->Eval(pt); | |
f4e7aa32 | 1942 | } |
1943 | ||
1944 | ||
1945 | return; | |
1946 | } | |
f328399b | 1947 | |
1948 | ||
1949 | ||
f4e7aa32 | 1950 | //-------------------------------------------------------------------------- |
1951 | Bool_t AliESDtrackCuts::CheckPtDepDCA(TString dist,Bool_t print) const { | |
1952 | // | |
1953 | // Check the correctness of the string syntax | |
1954 | // | |
1955 | Bool_t retval=kTRUE; | |
1956 | ||
1957 | if(!dist.Contains("pt")) { | |
28348fb4 | 1958 | if(print) AliError("string must contain \"pt\""); |
f4e7aa32 | 1959 | retval= kFALSE; |
1960 | } | |
1961 | return retval; | |
1962 | } | |
73318471 | 1963 | |
f328399b | 1964 | void AliESDtrackCuts::SetMaxDCAToVertexXYPtDep(const char *dist){ |
34aef0ad | 1965 | |
1966 | if(f1CutMaxDCAToVertexXYPtDep){ | |
1967 | delete f1CutMaxDCAToVertexXYPtDep; | |
1968 | // resetiing both | |
1969 | f1CutMaxDCAToVertexXYPtDep = 0; | |
1970 | fCutMaxDCAToVertexXYPtDep = ""; | |
1971 | } | |
1972 | if(!CheckPtDepDCA(dist,kTRUE)){ | |
1973 | return; | |
1974 | } | |
f328399b | 1975 | fCutMaxDCAToVertexXYPtDep = dist; |
1976 | TString tmp(dist); | |
1977 | tmp.ReplaceAll("pt","x"); | |
1978 | f1CutMaxDCAToVertexXYPtDep = new TFormula("f1CutMaxDCAToVertexXYPtDep",tmp.Data()); | |
1979 | ||
1980 | } | |
1981 | ||
1982 | void AliESDtrackCuts::SetMaxDCAToVertexZPtDep(const char *dist){ | |
34aef0ad | 1983 | |
1984 | ||
1985 | if(f1CutMaxDCAToVertexZPtDep){ | |
1986 | delete f1CutMaxDCAToVertexZPtDep; | |
1987 | // resetiing both | |
1988 | f1CutMaxDCAToVertexZPtDep = 0; | |
1989 | fCutMaxDCAToVertexZPtDep = ""; | |
1990 | } | |
1991 | if(!CheckPtDepDCA(dist,kTRUE))return; | |
1992 | ||
f328399b | 1993 | fCutMaxDCAToVertexZPtDep = dist; |
1994 | TString tmp(dist); | |
1995 | tmp.ReplaceAll("pt","x"); | |
1996 | f1CutMaxDCAToVertexZPtDep = new TFormula("f1CutMaxDCAToVertexZPtDep",tmp.Data()); | |
1997 | ||
1998 | ||
1999 | } | |
2000 | ||
2001 | ||
2002 | void AliESDtrackCuts::SetMinDCAToVertexXYPtDep(const char *dist){ | |
34aef0ad | 2003 | |
2004 | ||
2005 | if(f1CutMinDCAToVertexXYPtDep){ | |
2006 | delete f1CutMinDCAToVertexXYPtDep; | |
2007 | // resetiing both | |
2008 | f1CutMinDCAToVertexXYPtDep = 0; | |
2009 | fCutMinDCAToVertexXYPtDep = ""; | |
2010 | } | |
2011 | if(!CheckPtDepDCA(dist,kTRUE))return; | |
2012 | ||
f328399b | 2013 | fCutMinDCAToVertexXYPtDep = dist; |
2014 | TString tmp(dist); | |
2015 | tmp.ReplaceAll("pt","x"); | |
2016 | f1CutMinDCAToVertexXYPtDep = new TFormula("f1CutMinDCAToVertexXYPtDep",tmp.Data()); | |
2017 | ||
2018 | } | |
2019 | ||
2020 | ||
2021 | void AliESDtrackCuts::SetMinDCAToVertexZPtDep(const char *dist){ | |
34aef0ad | 2022 | |
2023 | ||
2024 | ||
2025 | if(f1CutMinDCAToVertexZPtDep){ | |
2026 | delete f1CutMinDCAToVertexZPtDep; | |
2027 | // resetiing both | |
2028 | f1CutMinDCAToVertexZPtDep = 0; | |
2029 | fCutMinDCAToVertexZPtDep = ""; | |
2030 | } | |
2031 | if(!CheckPtDepDCA(dist,kTRUE))return; | |
f328399b | 2032 | fCutMinDCAToVertexZPtDep = dist; |
2033 | TString tmp(dist); | |
2034 | tmp.ReplaceAll("pt","x"); | |
2035 | f1CutMinDCAToVertexZPtDep = new TFormula("f1CutMinDCAToVertexZPtDep",tmp.Data()); | |
2036 | } | |
a61ab805 | 2037 | |
2038 | AliESDtrackCuts* AliESDtrackCuts::GetMultEstTrackCuts(MultEstTrackCuts cut) | |
2039 | { | |
2040 | // returns the multiplicity estimator track cuts objects to allow for user configuration | |
2041 | // upon first call the objects are created | |
2042 | // | |
2043 | // the cut defined here correspond to GetStandardITSTPCTrackCuts2010 (apart from the one for without SPD) | |
2044 | ||
2045 | if (!fgMultEstTrackCuts[kMultEstTrackCutGlobal]) | |
2046 | { | |
2047 | // quality cut on ITS+TPC tracks | |
2048 | fgMultEstTrackCuts[kMultEstTrackCutGlobal] = new AliESDtrackCuts(); | |
2049 | fgMultEstTrackCuts[kMultEstTrackCutGlobal]->SetMinNClustersTPC(70); | |
2050 | fgMultEstTrackCuts[kMultEstTrackCutGlobal]->SetMaxChi2PerClusterTPC(4); | |
2051 | fgMultEstTrackCuts[kMultEstTrackCutGlobal]->SetAcceptKinkDaughters(kFALSE); | |
2052 | fgMultEstTrackCuts[kMultEstTrackCutGlobal]->SetRequireTPCRefit(kTRUE); | |
2053 | fgMultEstTrackCuts[kMultEstTrackCutGlobal]->SetRequireITSRefit(kTRUE); | |
2054 | //multiplicity underestimate if we use global tracks with |eta| > 0.9 | |
2055 | fgMultEstTrackCuts[kMultEstTrackCutGlobal]->SetEtaRange(-0.9, 0.9); | |
2056 | ||
2057 | // quality cut on ITS_SA tracks (complementary to ITS+TPC) | |
2058 | fgMultEstTrackCuts[kMultEstTrackCutITSSA] = new AliESDtrackCuts(); | |
2059 | fgMultEstTrackCuts[kMultEstTrackCutITSSA]->SetRequireITSRefit(kTRUE); | |
2060 | ||
2061 | // primary selection for tracks with SPD hits | |
2062 | fgMultEstTrackCuts[kMultEstTrackCutDCAwSPD] = new AliESDtrackCuts(); | |
2063 | fgMultEstTrackCuts[kMultEstTrackCutDCAwSPD]->SetClusterRequirementITS(AliESDtrackCuts::kSPD, AliESDtrackCuts::kAny); | |
2064 | fgMultEstTrackCuts[kMultEstTrackCutDCAwSPD]->SetMaxDCAToVertexXYPtDep("0.0182+0.0350/pt^1.01"); | |
2065 | fgMultEstTrackCuts[kMultEstTrackCutDCAwSPD]->SetMaxDCAToVertexZ(2); | |
2066 | ||
2067 | // primary selection for tracks w/o SPD hits | |
2068 | fgMultEstTrackCuts[kMultEstTrackCutDCAwoSPD] = new AliESDtrackCuts(); | |
2069 | fgMultEstTrackCuts[kMultEstTrackCutDCAwoSPD]->SetClusterRequirementITS(AliESDtrackCuts::kSPD, AliESDtrackCuts::kNone); | |
2070 | fgMultEstTrackCuts[kMultEstTrackCutDCAwoSPD]->SetMaxDCAToVertexXYPtDep("1.5*(0.0182+0.0350/pt^1.01)"); | |
2071 | fgMultEstTrackCuts[kMultEstTrackCutDCAwoSPD]->SetMaxDCAToVertexZ(2); | |
2072 | } | |
2073 | ||
2074 | return fgMultEstTrackCuts[cut]; | |
2075 | } | |
2076 | ||
2077 | Int_t AliESDtrackCuts::GetReferenceMultiplicity(const AliESDEvent* esd, MultEstTrackType trackType, Float_t etaRange) | |
2078 | { | |
2079 | // Get multiplicity estimate based on TPC/ITS tracks and tracklets | |
2080 | // Adapted for AliESDtrackCuts from a version developed by: Ruben Shahoyan, Anton Alkin, Arvinder Palaha | |
2081 | // | |
2082 | // Returns a negative value if no reliable estimate can be provided: | |
2083 | // -1 SPD vertex missing | |
2084 | // -2 SPD VertexerZ dispersion too large | |
2085 | // -3 Track vertex missing (not checked for kTracklets) | |
2086 | // -4 Distance between SPD and track vertices too large (not checked for kTracklets) | |
2087 | // | |
2088 | // WARNING This functions does not cut on the z vtx. Depending on the eta range requested, you need to restrict your z vertex range! | |
2089 | // | |
2090 | // Strategy for combined estimators | |
2091 | // 1. Count global tracks and flag them | |
2092 | // 2. Count ITSSA as complementaries for ITSTPC+ or as main tracks | |
2093 | // 3. Count the complementary SPD tracklets | |
2094 | ||
2095 | const AliESDVertex* vertices[2]; | |
2096 | vertices[0] = esd->GetPrimaryVertexSPD(); | |
2097 | vertices[1] = esd->GetPrimaryVertexTracks(); | |
2098 | ||
2099 | if (!vertices[0]->GetStatus()) | |
2100 | { | |
2101 | AliDebugClass(AliLog::kDebug, "No SPD vertex. Not able to make a reliable multiplicity estimate."); | |
2102 | return -1; | |
2103 | } | |
2104 | ||
2105 | if (vertices[0]->IsFromVertexerZ() && vertices[0]->GetDispersion() > 0.02) | |
2106 | { | |
2107 | AliDebugClass(AliLog::kDebug, "Vertexer z dispersion > 0.02. Not able to make a reliable multiplicity estimate."); | |
2108 | return -2; | |
2109 | } | |
2110 | ||
2111 | Int_t multiplicityEstimate = 0; | |
2112 | ||
2113 | // SPD tracklet-only estimate | |
2114 | if (trackType == kTracklets) | |
2115 | { | |
2116 | const AliMultiplicity* spdmult = esd->GetMultiplicity(); // spd multiplicity object | |
2117 | for (Int_t i=0; i<spdmult->GetNumberOfTracklets(); ++i) | |
2118 | { | |
2119 | if (TMath::Abs(spdmult->GetEta(i)) > etaRange) | |
2120 | continue; // eta selection for tracklets | |
2121 | multiplicityEstimate++; | |
2122 | } | |
2123 | return multiplicityEstimate; | |
2124 | } | |
2125 | ||
2126 | if (!vertices[1]->GetStatus()) | |
2127 | { | |
2128 | AliDebugClass(AliLog::kDebug, "No track vertex. Not able to make a reliable multiplicity estimate."); | |
2129 | return -3; | |
2130 | } | |
2131 | ||
2132 | // TODO value of displacement to be studied | |
2133 | const Float_t maxDisplacement = 0.5; | |
2134 | //check for displaced vertices | |
2135 | Double_t displacement = TMath::Abs(vertices[0]->GetZ() - vertices[1]->GetZ()); | |
2136 | if (displacement > maxDisplacement) | |
2137 | { | |
2138 | AliDebugClass(AliLog::kDebug, Form("Displaced vertices %f > %f",displacement,maxDisplacement)); | |
2139 | return -4; | |
2140 | } | |
2141 | ||
2142 | // update eta range in track cuts | |
2143 | GetMultEstTrackCuts(kMultEstTrackCutITSSA)->SetEtaRange(-etaRange, etaRange); | |
2144 | GetMultEstTrackCuts(kMultEstTrackCutDCAwSPD)->SetEtaRange(-etaRange, etaRange); | |
2145 | GetMultEstTrackCuts(kMultEstTrackCutDCAwoSPD)->SetEtaRange(-etaRange, etaRange); | |
2146 | ||
2147 | //******************************************************************************************************* | |
2148 | //set counters to initial zeros | |
2149 | Int_t tracksITSTPC = 0; //number of global tracks for a given event | |
2150 | Int_t tracksITSSA = 0; //number of ITS standalone tracks for a given event | |
2151 | Int_t tracksITSTPCSA_complementary = 0; //number of ITS standalone tracks complementary to TPC for a given event | |
2152 | Int_t trackletsITSTPC_complementary = 0;//number of SPD tracklets complementary to global/ITSSA tracks for a given events | |
2153 | Int_t trackletsITSSA_complementary = 0; //number of SPD tracklets complementary to ITSSA tracks for a given event | |
2154 | ||
2155 | const Int_t nESDTracks = esd->GetNumberOfTracks(); | |
2156 | Int_t highestID = 0; | |
2157 | ||
2158 | // flags for secondary and rejected tracks | |
2159 | const Int_t kRejBit = BIT(15); // set this bit in global tracks if it is rejected by a cut | |
2160 | const Int_t kSecBit = BIT(16); // set this bit in global tracks if it is secondary according to a cut | |
2161 | ||
2162 | for(Int_t itracks=0; itracks < nESDTracks; itracks++) { | |
2163 | if(esd->GetTrack(itracks)->GetLabel() > highestID) highestID = esd->GetTrack(itracks)->GetLabel(); | |
2164 | esd->GetTrack(itracks)->ResetBit(kSecBit|kRejBit); //reset bits used for flagging secondaries and rejected tracks in case they were changed before this analysis | |
2165 | } | |
2166 | const Int_t maxid = highestID+1; // used to define bool array for check multiple associations of tracklets to one track. array starts at 0. | |
2167 | ||
2168 | // bit mask for esd tracks, to check if multiple tracklets are associated to it | |
2169 | Bool_t globalBits[maxid], pureITSBits[maxid]; | |
2170 | for(Int_t i=0; i<maxid; i++){ // set all bools to false | |
2171 | globalBits[i]=kFALSE; | |
2172 | pureITSBits[i]=kFALSE; | |
2173 | } | |
2174 | ||
2175 | //******************************************************************************************************* | |
2176 | // get multiplicity from global tracks | |
2177 | for(Int_t itracks = 0; itracks < nESDTracks; itracks++) { // flag the tracks | |
2178 | AliESDtrack* track = esd->GetTrack(itracks); | |
2179 | ||
2180 | // if track is a secondary from a V0, flag as a secondary | |
2181 | if (track->IsOn(AliESDtrack::kMultInV0)) { | |
2182 | track->SetBit(kSecBit); | |
2183 | continue; | |
2184 | } | |
2185 | ||
2186 | //secondary? | |
2187 | if (track->IsOn(AliESDtrack::kMultSec)) { | |
2188 | track->SetBit(kSecBit); | |
2189 | continue; | |
2190 | } | |
2191 | ||
2192 | // check tracks with ITS part | |
2193 | //******************************************************************************************************* | |
2194 | if (track->IsOn(AliESDtrack::kITSin) && !track->IsOn(AliESDtrack::kITSpureSA) && trackType == kTrackletsITSTPC) { // track has ITS part but is not an ITS_SA | |
2195 | //******************************************************************************************************* | |
2196 | // TPC+ITS | |
2197 | if (track->IsOn(AliESDtrack::kTPCin)) { // Global track, has ITS and TPC contributions | |
2198 | if (fgMultEstTrackCuts[kMultEstTrackCutGlobal]->AcceptTrack(track)) { // good ITSTPC track | |
2199 | if (fgMultEstTrackCuts[kMultEstTrackCutDCAwSPD]->AcceptTrack(track) || fgMultEstTrackCuts[kMultEstTrackCutDCAwoSPD]->AcceptTrack(track)) { | |
2200 | tracksITSTPC++; //global track counted | |
2201 | globalBits[itracks] = kTRUE; | |
2202 | } | |
2203 | else track->SetBit(kSecBit); // large DCA -> secondary, don't count either track not associated tracklet | |
2204 | } | |
2205 | else track->SetBit(kRejBit); // bad quality, don't count the track, but may count tracklet if associated | |
2206 | } | |
2207 | //******************************************************************************************************* | |
2208 | // ITS complementary | |
2209 | else if (fgMultEstTrackCuts[kMultEstTrackCutITSSA]->AcceptTrack(track)) { // good ITS complementary track | |
2210 | if (fgMultEstTrackCuts[kMultEstTrackCutDCAwSPD]->AcceptTrack(track) || fgMultEstTrackCuts[kMultEstTrackCutDCAwoSPD]->AcceptTrack(track)) { | |
2211 | tracksITSTPCSA_complementary++; | |
2212 | globalBits[itracks] = kTRUE; | |
2213 | } | |
2214 | else track->SetBit(kSecBit); // large DCA -> secondary, don't count either track not associated tracklet | |
2215 | } | |
2216 | else track->SetBit(kRejBit); // bad quality, don't count the track, but may count tracklet if associated | |
2217 | } | |
2218 | //******************************************************************************************************* | |
2219 | // check tracks from ITS_SA_PURE | |
2220 | if (track->IsOn(AliESDtrack::kITSin) && track->IsOn(AliESDtrack::kITSpureSA) && trackType == kTrackletsITSSA){ | |
2221 | if (fgMultEstTrackCuts[kMultEstTrackCutITSSA]->AcceptTrack(track)) { // good ITSSA track | |
2222 | if (fgMultEstTrackCuts[kMultEstTrackCutDCAwSPD]->AcceptTrack(track) || fgMultEstTrackCuts[kMultEstTrackCutDCAwoSPD]->AcceptTrack(track)) { | |
2223 | tracksITSSA++; | |
2224 | pureITSBits[itracks] = kTRUE; | |
2225 | } | |
2226 | else track->SetBit(kRejBit); | |
2227 | } | |
2228 | else track->SetBit(kRejBit); | |
2229 | } | |
2230 | }//ESD tracks counted | |
2231 | ||
2232 | //******************************************************************************************************* | |
2233 | // get multiplicity from ITS tracklets to complement TPC+ITS, and ITSpureSA | |
2234 | const AliMultiplicity* spdmult = esd->GetMultiplicity(); // spd multiplicity object | |
2235 | for (Int_t i=0; i<spdmult->GetNumberOfTracklets(); ++i) { | |
2236 | if (TMath::Abs(spdmult->GetEta(i)) > etaRange) continue; // eta selection for tracklets | |
2237 | ||
2238 | // if counting tracks+tracklets, check if clusters were already used in tracks | |
2239 | Int_t id1,id2,id3,id4; | |
2240 | spdmult->GetTrackletTrackIDs(i,0,id1,id2); // references for eventual Global/ITS_SA tracks | |
2241 | AliESDtrack* tr1 = id1>=0 ? esd->GetTrack(id1) : 0; | |
2242 | spdmult->GetTrackletTrackIDs(i,1,id3,id4); // references for eventual ITS_SA_pure tracks | |
2243 | AliESDtrack* tr3 = id3>=0 ? esd->GetTrack(id3) : 0; | |
2244 | ||
2245 | // are both clusters from the same tracks? If not, skip the tracklet (shouldn't change things much) | |
2246 | if ((id1!=id2 && id1>=0 && id2>=0) || (id3!=id4 && id3>=0 && id4>=0)) continue; | |
2247 | ||
2248 | Bool_t bUsedInGlobal = (id1 != -1) ? globalBits[id1] : 0;// has associated global track been associated to a previous tracklet? | |
2249 | Bool_t bUsedInPureITS = (id3 != -1) ? pureITSBits[id3] : 0;// has associated pure ITS track been associated to a previous tracklet? | |
2250 | //******************************************************************************************************* | |
2251 | if (trackType == kTrackletsITSTPC) { | |
2252 | // count tracklets towards global+complementary tracks | |
2253 | if ( (tr1 && !tr1->TestBit(kSecBit)) && // reject as secondary | |
2254 | (tr1 && tr1->TestBit(kRejBit)) ) { // count tracklet as bad quality track | |
2255 | if(!bUsedInGlobal){ | |
2256 | ++trackletsITSTPC_complementary; | |
2257 | if(id1>0) globalBits[id1] = kTRUE; // mark global track linked to this tracklet as "associated" | |
2258 | } | |
2259 | } | |
2260 | else if(id1<0) { | |
2261 | ++trackletsITSTPC_complementary; // if no associated track, count the tracklet | |
2262 | } | |
2263 | } else { | |
2264 | // count tracklets towards ITS_SA_pure tracks | |
2265 | if ( (tr3 && !tr3->TestBit(kSecBit)) && // reject as secondary | |
2266 | (tr3 && tr3->TestBit(kRejBit)) ) { // count tracklet as bad quality track | |
2267 | if(!bUsedInPureITS) { | |
2268 | ++trackletsITSSA_complementary; | |
2269 | if(id3>0) pureITSBits[id3] = kTRUE; // mark global track linked to this tracklet as "associated" | |
2270 | } | |
2271 | } | |
2272 | else if(id3<0) { | |
2273 | ++trackletsITSSA_complementary; // if no associated track, count the tracklet | |
2274 | } | |
2275 | } | |
2276 | } | |
2277 | ||
2278 | //******************************************************************************************************* | |
2279 | if (trackType == kTrackletsITSTPC) | |
2280 | multiplicityEstimate = tracksITSTPC + tracksITSTPCSA_complementary + trackletsITSTPC_complementary; | |
2281 | else | |
2282 | multiplicityEstimate = tracksITSSA + trackletsITSSA_complementary; | |
2283 | ||
2284 | return multiplicityEstimate; | |
2285 | } |