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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> |
23 | #include <AliLog.h> | |
24 | ||
25 | #include <TTree.h> | |
26 | #include <TCanvas.h> | |
27 | #include <TDirectory.h> | |
28 | ||
29 | //____________________________________________________________________ | |
30 | ClassImp(AliESDtrackCuts) | |
31 | ||
32 | // Cut names | |
33 | const Char_t* AliESDtrackCuts::fgkCutNames[kNCuts] = { | |
34 | "require TPC refit", | |
35 | "require ITS refit", | |
36 | "n clusters TPC", | |
37 | "n clusters ITS", | |
86f0e195 | 38 | "#Chi^{2}/cluster TPC", |
39 | "#Chi^{2}/cluster ITS", | |
73318471 | 40 | "cov 11", |
41 | "cov 22", | |
42 | "cov 33", | |
43 | "cov 44", | |
44 | "cov 55", | |
45 | "trk-to-vtx", | |
46 | "trk-to-vtx failed", | |
47 | "kink daughters", | |
48 | "p", | |
49 | "p_{T}", | |
50 | "p_{x}", | |
51 | "p_{y}", | |
52 | "p_{z}", | |
524916f0 | 53 | "eta", |
86f0e195 | 54 | "y", |
133a5e00 | 55 | "trk-to-vtx max dca 2D absolute", |
56 | "trk-to-vtx max dca xy absolute", | |
57 | "trk-to-vtx max dca z absolute", | |
58 | "trk-to-vtx min dca 2D absolute", | |
59 | "trk-to-vtx min dca xy absolute", | |
60 | "trk-to-vtx min dca z absolute", | |
94c06b89 | 61 | "SPD cluster requirement", |
62 | "SDD cluster requirement", | |
63 | "SSD cluster requirement" | |
73318471 | 64 | }; |
65 | ||
66 | //____________________________________________________________________ | |
67 | AliESDtrackCuts::AliESDtrackCuts(const Char_t* name, const Char_t* title) : AliAnalysisCuts(name,title), | |
68 | fCutMinNClusterTPC(0), | |
69 | fCutMinNClusterITS(0), | |
70 | fCutMaxChi2PerClusterTPC(0), | |
71 | fCutMaxChi2PerClusterITS(0), | |
72 | fCutMaxC11(0), | |
73 | fCutMaxC22(0), | |
74 | fCutMaxC33(0), | |
75 | fCutMaxC44(0), | |
76 | fCutMaxC55(0), | |
77 | fCutAcceptKinkDaughters(0), | |
78 | fCutRequireTPCRefit(0), | |
79 | fCutRequireITSRefit(0), | |
80 | fCutNsigmaToVertex(0), | |
81 | fCutSigmaToVertexRequired(0), | |
133a5e00 | 82 | fCutMaxDCAToVertexXY(0), |
83 | fCutMaxDCAToVertexZ(0), | |
84 | fCutMinDCAToVertexXY(0), | |
85 | fCutMinDCAToVertexZ(0), | |
86f0e195 | 86 | fCutDCAToVertex2D(0), |
73318471 | 87 | fPMin(0), |
88 | fPMax(0), | |
89 | fPtMin(0), | |
90 | fPtMax(0), | |
91 | fPxMin(0), | |
92 | fPxMax(0), | |
93 | fPyMin(0), | |
94 | fPyMax(0), | |
95 | fPzMin(0), | |
96 | fPzMax(0), | |
97 | fEtaMin(0), | |
98 | fEtaMax(0), | |
99 | fRapMin(0), | |
100 | fRapMax(0), | |
101 | fHistogramsOn(0), | |
102 | ffDTheoretical(0), | |
103 | fhCutStatistics(0), | |
104 | fhCutCorrelation(0) | |
105 | { | |
106 | // | |
107 | // constructor | |
108 | // | |
109 | ||
110 | Init(); | |
111 | ||
112 | //############################################################################## | |
113 | // setting default cuts | |
114 | SetMinNClustersTPC(); | |
115 | SetMinNClustersITS(); | |
116 | SetMaxChi2PerClusterTPC(); | |
117 | SetMaxChi2PerClusterITS(); | |
118 | SetMaxCovDiagonalElements(); | |
119 | SetRequireTPCRefit(); | |
120 | SetRequireITSRefit(); | |
121 | SetAcceptKingDaughters(); | |
94c06b89 | 122 | SetMaxNsigmaToVertex(); |
94c06b89 | 123 | SetMaxDCAToVertexXY(); |
124 | SetMaxDCAToVertexZ(); | |
86f0e195 | 125 | SetDCAToVertex2D(); |
133a5e00 | 126 | SetMinDCAToVertexXY(); |
127 | SetMinDCAToVertexZ(); | |
73318471 | 128 | SetPRange(); |
129 | SetPtRange(); | |
130 | SetPxRange(); | |
131 | SetPyRange(); | |
132 | SetPzRange(); | |
133 | SetEtaRange(); | |
134 | SetRapRange(); | |
94c06b89 | 135 | SetClusterRequirementITS(kSPD); |
136 | SetClusterRequirementITS(kSDD); | |
137 | SetClusterRequirementITS(kSSD); | |
73318471 | 138 | |
139 | SetHistogramsOn(); | |
140 | } | |
141 | ||
142 | //_____________________________________________________________________________ | |
143 | AliESDtrackCuts::AliESDtrackCuts(const AliESDtrackCuts &c) : AliAnalysisCuts(c), | |
144 | fCutMinNClusterTPC(0), | |
145 | fCutMinNClusterITS(0), | |
146 | fCutMaxChi2PerClusterTPC(0), | |
147 | fCutMaxChi2PerClusterITS(0), | |
148 | fCutMaxC11(0), | |
149 | fCutMaxC22(0), | |
150 | fCutMaxC33(0), | |
151 | fCutMaxC44(0), | |
152 | fCutMaxC55(0), | |
153 | fCutAcceptKinkDaughters(0), | |
154 | fCutRequireTPCRefit(0), | |
155 | fCutRequireITSRefit(0), | |
156 | fCutNsigmaToVertex(0), | |
157 | fCutSigmaToVertexRequired(0), | |
133a5e00 | 158 | fCutMaxDCAToVertexXY(0), |
159 | fCutMaxDCAToVertexZ(0), | |
160 | fCutMinDCAToVertexXY(0), | |
161 | fCutMinDCAToVertexZ(0), | |
86f0e195 | 162 | fCutDCAToVertex2D(0), |
73318471 | 163 | fPMin(0), |
164 | fPMax(0), | |
165 | fPtMin(0), | |
166 | fPtMax(0), | |
167 | fPxMin(0), | |
168 | fPxMax(0), | |
169 | fPyMin(0), | |
170 | fPyMax(0), | |
171 | fPzMin(0), | |
172 | fPzMax(0), | |
173 | fEtaMin(0), | |
174 | fEtaMax(0), | |
175 | fRapMin(0), | |
176 | fRapMax(0), | |
177 | fHistogramsOn(0), | |
178 | ffDTheoretical(0), | |
179 | fhCutStatistics(0), | |
180 | fhCutCorrelation(0) | |
181 | { | |
182 | // | |
183 | // copy constructor | |
184 | // | |
185 | ||
186 | ((AliESDtrackCuts &) c).Copy(*this); | |
187 | } | |
188 | ||
189 | AliESDtrackCuts::~AliESDtrackCuts() | |
190 | { | |
191 | // | |
192 | // destructor | |
193 | // | |
194 | ||
195 | for (Int_t i=0; i<2; i++) { | |
196 | ||
197 | if (fhNClustersITS[i]) | |
198 | delete fhNClustersITS[i]; | |
199 | if (fhNClustersTPC[i]) | |
200 | delete fhNClustersTPC[i]; | |
201 | if (fhChi2PerClusterITS[i]) | |
202 | delete fhChi2PerClusterITS[i]; | |
203 | if (fhChi2PerClusterTPC[i]) | |
204 | delete fhChi2PerClusterTPC[i]; | |
205 | if (fhC11[i]) | |
206 | delete fhC11[i]; | |
207 | if (fhC22[i]) | |
208 | delete fhC22[i]; | |
209 | if (fhC33[i]) | |
210 | delete fhC33[i]; | |
211 | if (fhC44[i]) | |
212 | delete fhC44[i]; | |
213 | if (fhC55[i]) | |
214 | delete fhC55[i]; | |
215 | ||
216 | if (fhDXY[i]) | |
217 | delete fhDXY[i]; | |
218 | if (fhDZ[i]) | |
524916f0 | 219 | delete fhDZ[i]; |
220 | if (fhDXYDZ[i]) | |
221 | delete fhDXYDZ[i]; | |
73318471 | 222 | if (fhDXYvsDZ[i]) |
524916f0 | 223 | delete fhDXYvsDZ[i]; |
224 | ||
73318471 | 225 | if (fhDXYNormalized[i]) |
226 | delete fhDXYNormalized[i]; | |
227 | if (fhDZNormalized[i]) | |
228 | delete fhDZNormalized[i]; | |
229 | if (fhDXYvsDZNormalized[i]) | |
524916f0 | 230 | delete fhDXYvsDZNormalized[i]; |
73318471 | 231 | if (fhNSigmaToVertex[i]) |
232 | delete fhNSigmaToVertex[i]; | |
233 | if (fhPt[i]) | |
234 | delete fhPt[i]; | |
235 | if (fhEta[i]) | |
236 | delete fhEta[i]; | |
237 | } | |
238 | ||
239 | if (ffDTheoretical) | |
240 | delete ffDTheoretical; | |
241 | ||
242 | if (fhCutStatistics) | |
243 | delete fhCutStatistics; | |
244 | if (fhCutCorrelation) | |
245 | delete fhCutCorrelation; | |
246 | } | |
247 | ||
248 | void AliESDtrackCuts::Init() | |
249 | { | |
250 | // | |
251 | // sets everything to zero | |
252 | // | |
253 | ||
254 | fCutMinNClusterTPC = 0; | |
255 | fCutMinNClusterITS = 0; | |
256 | ||
257 | fCutMaxChi2PerClusterTPC = 0; | |
258 | fCutMaxChi2PerClusterITS = 0; | |
94c06b89 | 259 | |
260 | for (Int_t i = 0; i < 3; i++) | |
261 | fCutClusterRequirementITS[i] = kOff; | |
73318471 | 262 | |
263 | fCutMaxC11 = 0; | |
264 | fCutMaxC22 = 0; | |
265 | fCutMaxC33 = 0; | |
266 | fCutMaxC44 = 0; | |
267 | fCutMaxC55 = 0; | |
268 | ||
269 | fCutAcceptKinkDaughters = 0; | |
270 | fCutRequireTPCRefit = 0; | |
271 | fCutRequireITSRefit = 0; | |
272 | ||
273 | fCutNsigmaToVertex = 0; | |
274 | fCutSigmaToVertexRequired = 0; | |
133a5e00 | 275 | fCutMaxDCAToVertexXY = 0; |
276 | fCutMaxDCAToVertexZ = 0; | |
86f0e195 | 277 | fCutDCAToVertex2D = 0; |
133a5e00 | 278 | fCutMinDCAToVertexXY = 0; |
279 | fCutMinDCAToVertexZ = 0; | |
280 | ||
86f0e195 | 281 | |
73318471 | 282 | fPMin = 0; |
283 | fPMax = 0; | |
284 | fPtMin = 0; | |
285 | fPtMax = 0; | |
286 | fPxMin = 0; | |
287 | fPxMax = 0; | |
288 | fPyMin = 0; | |
289 | fPyMax = 0; | |
290 | fPzMin = 0; | |
291 | fPzMax = 0; | |
292 | fEtaMin = 0; | |
293 | fEtaMax = 0; | |
294 | fRapMin = 0; | |
295 | fRapMax = 0; | |
296 | ||
297 | fHistogramsOn = kFALSE; | |
298 | ||
299 | for (Int_t i=0; i<2; ++i) | |
300 | { | |
301 | fhNClustersITS[i] = 0; | |
302 | fhNClustersTPC[i] = 0; | |
303 | ||
304 | fhChi2PerClusterITS[i] = 0; | |
305 | fhChi2PerClusterTPC[i] = 0; | |
306 | ||
307 | fhC11[i] = 0; | |
308 | fhC22[i] = 0; | |
309 | fhC33[i] = 0; | |
310 | fhC44[i] = 0; | |
311 | fhC55[i] = 0; | |
312 | ||
313 | fhDXY[i] = 0; | |
314 | fhDZ[i] = 0; | |
524916f0 | 315 | fhDXYDZ[i] = 0; |
73318471 | 316 | fhDXYvsDZ[i] = 0; |
317 | ||
318 | fhDXYNormalized[i] = 0; | |
319 | fhDZNormalized[i] = 0; | |
320 | fhDXYvsDZNormalized[i] = 0; | |
321 | fhNSigmaToVertex[i] = 0; | |
322 | ||
323 | fhPt[i] = 0; | |
324 | fhEta[i] = 0; | |
325 | } | |
326 | ffDTheoretical = 0; | |
327 | ||
328 | fhCutStatistics = 0; | |
329 | fhCutCorrelation = 0; | |
330 | } | |
331 | ||
332 | //_____________________________________________________________________________ | |
333 | AliESDtrackCuts &AliESDtrackCuts::operator=(const AliESDtrackCuts &c) | |
334 | { | |
335 | // | |
336 | // Assignment operator | |
337 | // | |
338 | ||
339 | if (this != &c) ((AliESDtrackCuts &) c).Copy(*this); | |
340 | return *this; | |
341 | } | |
342 | ||
343 | //_____________________________________________________________________________ | |
344 | void AliESDtrackCuts::Copy(TObject &c) const | |
345 | { | |
346 | // | |
347 | // Copy function | |
348 | // | |
349 | ||
350 | AliESDtrackCuts& target = (AliESDtrackCuts &) c; | |
351 | ||
352 | target.Init(); | |
353 | ||
354 | target.fCutMinNClusterTPC = fCutMinNClusterTPC; | |
355 | target.fCutMinNClusterITS = fCutMinNClusterITS; | |
356 | ||
357 | target.fCutMaxChi2PerClusterTPC = fCutMaxChi2PerClusterTPC; | |
358 | target.fCutMaxChi2PerClusterITS = fCutMaxChi2PerClusterITS; | |
359 | ||
94c06b89 | 360 | for (Int_t i = 0; i < 3; i++) |
361 | target.fCutClusterRequirementITS[i] = fCutClusterRequirementITS[i]; | |
362 | ||
73318471 | 363 | target.fCutMaxC11 = fCutMaxC11; |
364 | target.fCutMaxC22 = fCutMaxC22; | |
365 | target.fCutMaxC33 = fCutMaxC33; | |
366 | target.fCutMaxC44 = fCutMaxC44; | |
367 | target.fCutMaxC55 = fCutMaxC55; | |
368 | ||
369 | target.fCutAcceptKinkDaughters = fCutAcceptKinkDaughters; | |
370 | target.fCutRequireTPCRefit = fCutRequireTPCRefit; | |
371 | target.fCutRequireITSRefit = fCutRequireITSRefit; | |
372 | ||
373 | target.fCutNsigmaToVertex = fCutNsigmaToVertex; | |
374 | target.fCutSigmaToVertexRequired = fCutSigmaToVertexRequired; | |
133a5e00 | 375 | target.fCutMaxDCAToVertexXY = fCutMaxDCAToVertexXY; |
376 | target.fCutMaxDCAToVertexZ = fCutMaxDCAToVertexZ; | |
86f0e195 | 377 | target.fCutDCAToVertex2D = fCutDCAToVertex2D; |
133a5e00 | 378 | target.fCutMinDCAToVertexXY = fCutMinDCAToVertexXY; |
379 | target.fCutMinDCAToVertexZ = fCutMinDCAToVertexZ; | |
73318471 | 380 | |
381 | target.fPMin = fPMin; | |
382 | target.fPMax = fPMax; | |
383 | target.fPtMin = fPtMin; | |
384 | target.fPtMax = fPtMax; | |
385 | target.fPxMin = fPxMin; | |
386 | target.fPxMax = fPxMax; | |
387 | target.fPyMin = fPyMin; | |
388 | target.fPyMax = fPyMax; | |
389 | target.fPzMin = fPzMin; | |
390 | target.fPzMax = fPzMax; | |
391 | target.fEtaMin = fEtaMin; | |
392 | target.fEtaMax = fEtaMax; | |
393 | target.fRapMin = fRapMin; | |
394 | target.fRapMax = fRapMax; | |
395 | ||
396 | target.fHistogramsOn = fHistogramsOn; | |
397 | ||
398 | for (Int_t i=0; i<2; ++i) | |
399 | { | |
400 | if (fhNClustersITS[i]) target.fhNClustersITS[i] = (TH1F*) fhNClustersITS[i]->Clone(); | |
401 | if (fhNClustersTPC[i]) target.fhNClustersTPC[i] = (TH1F*) fhNClustersTPC[i]->Clone(); | |
402 | ||
403 | if (fhChi2PerClusterITS[i]) target.fhChi2PerClusterITS[i] = (TH1F*) fhChi2PerClusterITS[i]->Clone(); | |
404 | if (fhChi2PerClusterTPC[i]) target.fhChi2PerClusterTPC[i] = (TH1F*) fhChi2PerClusterTPC[i]->Clone(); | |
405 | ||
406 | if (fhC11[i]) target.fhC11[i] = (TH1F*) fhC11[i]->Clone(); | |
407 | if (fhC22[i]) target.fhC22[i] = (TH1F*) fhC22[i]->Clone(); | |
408 | if (fhC33[i]) target.fhC33[i] = (TH1F*) fhC33[i]->Clone(); | |
409 | if (fhC44[i]) target.fhC44[i] = (TH1F*) fhC44[i]->Clone(); | |
410 | if (fhC55[i]) target.fhC55[i] = (TH1F*) fhC55[i]->Clone(); | |
411 | ||
412 | if (fhDXY[i]) target.fhDXY[i] = (TH1F*) fhDXY[i]->Clone(); | |
413 | if (fhDZ[i]) target.fhDZ[i] = (TH1F*) fhDZ[i]->Clone(); | |
524916f0 | 414 | if (fhDXYDZ[i]) target.fhDXYDZ[i] = (TH1F*) fhDXYDZ[i]->Clone(); |
73318471 | 415 | if (fhDXYvsDZ[i]) target.fhDXYvsDZ[i] = (TH2F*) fhDXYvsDZ[i]->Clone(); |
416 | ||
417 | if (fhDXYNormalized[i]) target.fhDXYNormalized[i] = (TH1F*) fhDXYNormalized[i]->Clone(); | |
418 | if (fhDZNormalized[i]) target.fhDZNormalized[i] = (TH1F*) fhDZNormalized[i]->Clone(); | |
419 | if (fhDXYvsDZNormalized[i]) target.fhDXYvsDZNormalized[i] = (TH2F*) fhDXYvsDZNormalized[i]->Clone(); | |
420 | if (fhNSigmaToVertex[i]) target.fhNSigmaToVertex[i] = (TH1F*) fhNSigmaToVertex[i]->Clone(); | |
421 | ||
422 | if (fhPt[i]) target.fhPt[i] = (TH1F*) fhPt[i]->Clone(); | |
423 | if (fhEta[i]) target.fhEta[i] = (TH1F*) fhEta[i]->Clone(); | |
424 | } | |
425 | if (ffDTheoretical) target.ffDTheoretical = (TF1*) ffDTheoretical->Clone(); | |
426 | ||
427 | if (fhCutStatistics) target.fhCutStatistics = (TH1F*) fhCutStatistics->Clone(); | |
428 | if (fhCutCorrelation) target.fhCutCorrelation = (TH2F*) fhCutCorrelation->Clone(); | |
429 | ||
430 | TNamed::Copy(c); | |
431 | } | |
432 | ||
433 | //_____________________________________________________________________________ | |
434 | Long64_t AliESDtrackCuts::Merge(TCollection* list) { | |
435 | // Merge a list of AliESDtrackCuts objects with this (needed for PROOF) | |
436 | // Returns the number of merged objects (including this) | |
73318471 | 437 | if (!list) |
438 | return 0; | |
73318471 | 439 | if (list->IsEmpty()) |
440 | return 1; | |
73318471 | 441 | if (!fHistogramsOn) |
442 | return 0; | |
73318471 | 443 | TIterator* iter = list->MakeIterator(); |
444 | TObject* obj; | |
445 | ||
73318471 | 446 | // collection of measured and generated histograms |
447 | Int_t count = 0; | |
448 | while ((obj = iter->Next())) { | |
449 | ||
450 | AliESDtrackCuts* entry = dynamic_cast<AliESDtrackCuts*>(obj); | |
451 | if (entry == 0) | |
452 | continue; | |
453 | ||
454 | if (!entry->fHistogramsOn) | |
455 | continue; | |
524916f0 | 456 | |
73318471 | 457 | for (Int_t i=0; i<2; i++) { |
458 | ||
459 | fhNClustersITS[i] ->Add(entry->fhNClustersITS[i] ); | |
460 | fhNClustersTPC[i] ->Add(entry->fhNClustersTPC[i] ); | |
461 | ||
462 | fhChi2PerClusterITS[i] ->Add(entry->fhChi2PerClusterITS[i]); | |
463 | fhChi2PerClusterTPC[i] ->Add(entry->fhChi2PerClusterTPC[i]); | |
464 | ||
465 | fhC11[i] ->Add(entry->fhC11[i] ); | |
466 | fhC22[i] ->Add(entry->fhC22[i] ); | |
467 | fhC33[i] ->Add(entry->fhC33[i] ); | |
468 | fhC44[i] ->Add(entry->fhC44[i] ); | |
469 | fhC55[i] ->Add(entry->fhC55[i] ); | |
470 | ||
471 | fhDXY[i] ->Add(entry->fhDXY[i] ); | |
472 | fhDZ[i] ->Add(entry->fhDZ[i] ); | |
524916f0 | 473 | fhDXYDZ[i] ->Add(entry->fhDXYDZ[i] ); |
474 | fhDXYvsDZ[i] ->Add(entry->fhDXYvsDZ[i] ); | |
475 | ||
476 | fhDXYNormalized[i] ->Add(entry->fhDXYNormalized[i] ); | |
73318471 | 477 | fhDZNormalized[i] ->Add(entry->fhDZNormalized[i] ); |
524916f0 | 478 | fhDXYvsDZNormalized[i] ->Add(entry->fhDXYvsDZNormalized[i]); |
73318471 | 479 | fhNSigmaToVertex[i] ->Add(entry->fhNSigmaToVertex[i]); |
480 | ||
481 | fhPt[i] ->Add(entry->fhPt[i]); | |
482 | fhEta[i] ->Add(entry->fhEta[i]); | |
483 | } | |
484 | ||
485 | fhCutStatistics ->Add(entry->fhCutStatistics); | |
486 | fhCutCorrelation ->Add(entry->fhCutCorrelation); | |
487 | ||
488 | count++; | |
489 | } | |
73318471 | 490 | return count+1; |
491 | } | |
492 | ||
493 | ||
494 | //____________________________________________________________________ | |
495 | Float_t AliESDtrackCuts::GetSigmaToVertex(AliESDtrack* esdTrack) | |
496 | { | |
497 | // Calculates the number of sigma to the vertex. | |
498 | ||
499 | Float_t b[2]; | |
500 | Float_t bRes[2]; | |
501 | Float_t bCov[3]; | |
502 | esdTrack->GetImpactParameters(b,bCov); | |
36853ddd | 503 | |
73318471 | 504 | if (bCov[0]<=0 || bCov[2]<=0) { |
57fddfbc | 505 | AliDebugClass(1, "Estimated b resolution lower or equal zero!"); |
73318471 | 506 | bCov[0]=0; bCov[2]=0; |
507 | } | |
508 | bRes[0] = TMath::Sqrt(bCov[0]); | |
509 | bRes[1] = TMath::Sqrt(bCov[2]); | |
510 | ||
511 | // ----------------------------------- | |
512 | // How to get to a n-sigma cut? | |
513 | // | |
514 | // The accumulated statistics from 0 to d is | |
515 | // | |
516 | // -> Erf(d/Sqrt(2)) for a 1-dim gauss (d = n_sigma) | |
517 | // -> 1 - Exp(-d**2) for a 2-dim gauss (d*d = dx*dx + dy*dy != n_sigma) | |
518 | // | |
519 | // It means that for a 2-dim gauss: n_sigma(d) = Sqrt(2)*ErfInv(1 - Exp((-x**2)/2) | |
520 | // Can this be expressed in a different way? | |
521 | ||
522 | if (bRes[0] == 0 || bRes[1] ==0) | |
523 | return -1; | |
524 | ||
525 | Float_t d = TMath::Sqrt(TMath::Power(b[0]/bRes[0],2) + TMath::Power(b[1]/bRes[1],2)); | |
526 | ||
0f712a2e | 527 | // work around precision problem |
73318471 | 528 | // if d is too big, TMath::Exp(...) gets 0, and TMath::ErfInverse(1) that should be infinite, gets 0 :( |
0f712a2e | 529 | // 1e-15 corresponds to nsigma ~ 7.7 |
530 | if (TMath::Exp(-d * d / 2) < 1e-15) | |
73318471 | 531 | return 1000; |
532 | ||
0f712a2e | 533 | Float_t nSigma = TMath::ErfInverse(1 - TMath::Exp(-d * d / 2)) * TMath::Sqrt(2); |
534 | return nSigma; | |
73318471 | 535 | } |
536 | ||
537 | void AliESDtrackCuts::EnableNeededBranches(TTree* tree) | |
538 | { | |
539 | // enables the branches needed by AcceptTrack, for a list see comment of AcceptTrack | |
540 | ||
541 | tree->SetBranchStatus("fTracks.fFlags", 1); | |
542 | tree->SetBranchStatus("fTracks.fITSncls", 1); | |
543 | tree->SetBranchStatus("fTracks.fTPCncls", 1); | |
544 | tree->SetBranchStatus("fTracks.fITSchi2", 1); | |
545 | tree->SetBranchStatus("fTracks.fTPCchi2", 1); | |
546 | tree->SetBranchStatus("fTracks.fC*", 1); | |
547 | tree->SetBranchStatus("fTracks.fD", 1); | |
548 | tree->SetBranchStatus("fTracks.fZ", 1); | |
549 | tree->SetBranchStatus("fTracks.fCdd", 1); | |
550 | tree->SetBranchStatus("fTracks.fCdz", 1); | |
551 | tree->SetBranchStatus("fTracks.fCzz", 1); | |
552 | tree->SetBranchStatus("fTracks.fP*", 1); | |
553 | tree->SetBranchStatus("fTracks.fR*", 1); | |
554 | tree->SetBranchStatus("fTracks.fKinkIndexes*", 1); | |
555 | } | |
556 | ||
557 | //____________________________________________________________________ | |
558 | Bool_t | |
559 | AliESDtrackCuts::AcceptTrack(AliESDtrack* esdTrack) { | |
560 | // | |
561 | // figure out if the tracks survives all the track cuts defined | |
562 | // | |
563 | // the different quality parameter and kinematic values are first | |
564 | // retrieved from the track. then it is found out what cuts the | |
565 | // track did not survive and finally the cuts are imposed. | |
566 | ||
567 | // this function needs the following branches: | |
568 | // fTracks.fFlags | |
569 | // fTracks.fITSncls | |
570 | // fTracks.fTPCncls | |
571 | // fTracks.fITSchi2 | |
572 | // fTracks.fTPCchi2 | |
573 | // fTracks.fC //GetExternalCovariance | |
574 | // fTracks.fD //GetImpactParameters | |
575 | // fTracks.fZ //GetImpactParameters | |
576 | // fTracks.fCdd //GetImpactParameters | |
577 | // fTracks.fCdz //GetImpactParameters | |
578 | // fTracks.fCzz //GetImpactParameters | |
579 | // fTracks.fP //GetPxPyPz | |
580 | // fTracks.fR //GetMass | |
581 | // fTracks.fP //GetMass | |
582 | // fTracks.fKinkIndexes | |
583 | ||
584 | UInt_t status = esdTrack->GetStatus(); | |
585 | ||
73318471 | 586 | // getting quality parameters from the ESD track |
524916f0 | 587 | Int_t nClustersITS = esdTrack->GetITSclusters(0); |
588 | Int_t nClustersTPC = esdTrack->GetTPCclusters(0); | |
589 | ||
73318471 | 590 | Float_t chi2PerClusterITS = -1; |
591 | Float_t chi2PerClusterTPC = -1; | |
592 | if (nClustersITS!=0) | |
593 | chi2PerClusterITS = esdTrack->GetITSchi2()/Float_t(nClustersITS); | |
594 | if (nClustersTPC!=0) | |
595 | chi2PerClusterTPC = esdTrack->GetTPCchi2()/Float_t(nClustersTPC); | |
73318471 | 596 | Double_t extCov[15]; |
597 | esdTrack->GetExternalCovariance(extCov); | |
598 | ||
599 | // getting the track to vertex parameters | |
600 | Float_t nSigmaToVertex = GetSigmaToVertex(esdTrack); | |
524916f0 | 601 | |
602 | Float_t b[2]; | |
603 | Float_t bCov[3]; | |
604 | esdTrack->GetImpactParameters(b,bCov); | |
605 | if (bCov[0]<=0 || bCov[2]<=0) { | |
606 | AliDebug(1, "Estimated b resolution lower or equal zero!"); | |
607 | bCov[0]=0; bCov[2]=0; | |
608 | } | |
74687314 | 609 | |
e4617f4e | 610 | Float_t dcaToVertexXY = b[0]; |
74687314 | 611 | Float_t dcaToVertexZ = b[1]; |
612 | ||
86f0e195 | 613 | Float_t dcaToVertex = -1; |
614 | ||
615 | if (fCutDCAToVertex2D) | |
616 | { | |
133a5e00 | 617 | dcaToVertex = TMath::Sqrt(dcaToVertexXY*dcaToVertexXY/fCutMaxDCAToVertexXY/fCutMaxDCAToVertexXY + dcaToVertexZ*dcaToVertexZ/fCutMaxDCAToVertexZ/fCutMaxDCAToVertexZ); |
86f0e195 | 618 | } |
619 | else | |
620 | dcaToVertex = TMath::Sqrt(dcaToVertexXY*dcaToVertexXY + dcaToVertexZ*dcaToVertexZ); | |
133a5e00 | 621 | |
73318471 | 622 | // getting the kinematic variables of the track |
623 | // (assuming the mass is known) | |
624 | Double_t p[3]; | |
625 | esdTrack->GetPxPyPz(p); | |
36853ddd | 626 | |
73318471 | 627 | Float_t momentum = TMath::Sqrt(TMath::Power(p[0],2) + TMath::Power(p[1],2) + TMath::Power(p[2],2)); |
628 | Float_t pt = TMath::Sqrt(TMath::Power(p[0],2) + TMath::Power(p[1],2)); | |
629 | Float_t energy = TMath::Sqrt(TMath::Power(esdTrack->GetMass(),2) + TMath::Power(momentum,2)); | |
630 | ||
631 | ||
632 | //y-eta related calculations | |
633 | Float_t eta = -100.; | |
634 | Float_t y = -100.; | |
635 | if((momentum != TMath::Abs(p[2]))&&(momentum != 0)) | |
636 | eta = 0.5*TMath::Log((momentum + p[2])/(momentum - p[2])); | |
637 | if((energy != TMath::Abs(p[2]))&&(momentum != 0)) | |
638 | y = 0.5*TMath::Log((energy + p[2])/(energy - p[2])); | |
639 | ||
640 | ||
641 | //######################################################################## | |
642 | // cut the track? | |
643 | ||
644 | Bool_t cuts[kNCuts]; | |
645 | for (Int_t i=0; i<kNCuts; i++) cuts[i]=kFALSE; | |
646 | ||
647 | // track quality cuts | |
648 | if (fCutRequireTPCRefit && (status&AliESDtrack::kTPCrefit)==0) | |
649 | cuts[0]=kTRUE; | |
650 | if (fCutRequireITSRefit && (status&AliESDtrack::kITSrefit)==0) | |
651 | cuts[1]=kTRUE; | |
652 | if (nClustersTPC<fCutMinNClusterTPC) | |
653 | cuts[2]=kTRUE; | |
654 | if (nClustersITS<fCutMinNClusterITS) | |
655 | cuts[3]=kTRUE; | |
656 | if (chi2PerClusterTPC>fCutMaxChi2PerClusterTPC) | |
657 | cuts[4]=kTRUE; | |
658 | if (chi2PerClusterITS>fCutMaxChi2PerClusterITS) | |
659 | cuts[5]=kTRUE; | |
660 | if (extCov[0] > fCutMaxC11) | |
661 | cuts[6]=kTRUE; | |
662 | if (extCov[2] > fCutMaxC22) | |
663 | cuts[7]=kTRUE; | |
664 | if (extCov[5] > fCutMaxC33) | |
665 | cuts[8]=kTRUE; | |
666 | if (extCov[9] > fCutMaxC44) | |
667 | cuts[9]=kTRUE; | |
668 | if (extCov[14] > fCutMaxC55) | |
669 | cuts[10]=kTRUE; | |
670 | if (nSigmaToVertex > fCutNsigmaToVertex && fCutSigmaToVertexRequired) | |
671 | cuts[11] = kTRUE; | |
672 | // if n sigma could not be calculated | |
673 | if (nSigmaToVertex<0 && fCutSigmaToVertexRequired) | |
674 | cuts[12]=kTRUE; | |
675 | if (!fCutAcceptKinkDaughters && esdTrack->GetKinkIndex(0)>0) | |
676 | cuts[13]=kTRUE; | |
677 | // track kinematics cut | |
678 | if((momentum < fPMin) || (momentum > fPMax)) | |
679 | cuts[14]=kTRUE; | |
680 | if((pt < fPtMin) || (pt > fPtMax)) | |
681 | cuts[15] = kTRUE; | |
682 | if((p[0] < fPxMin) || (p[0] > fPxMax)) | |
683 | cuts[16] = kTRUE; | |
684 | if((p[1] < fPyMin) || (p[1] > fPyMax)) | |
685 | cuts[17] = kTRUE; | |
686 | if((p[2] < fPzMin) || (p[2] > fPzMax)) | |
687 | cuts[18] = kTRUE; | |
0f712a2e | 688 | if((eta < fEtaMin) || (eta > fEtaMax)) |
73318471 | 689 | cuts[19] = kTRUE; |
690 | if((y < fRapMin) || (y > fRapMax)) | |
691 | cuts[20] = kTRUE; | |
86f0e195 | 692 | if (fCutDCAToVertex2D && dcaToVertex > 1) |
524916f0 | 693 | cuts[21] = kTRUE; |
133a5e00 | 694 | if (!fCutDCAToVertex2D && TMath::Abs(dcaToVertexXY) > fCutMaxDCAToVertexXY) |
e4617f4e | 695 | cuts[22] = kTRUE; |
133a5e00 | 696 | if (!fCutDCAToVertex2D && TMath::Abs(dcaToVertexZ) > fCutMaxDCAToVertexZ) |
74687314 | 697 | cuts[23] = kTRUE; |
133a5e00 | 698 | if (fCutDCAToVertex2D && fCutMinDCAToVertexXY > 0 && fCutMinDCAToVertexZ > 0 && dcaToVertexXY*dcaToVertexXY/fCutMinDCAToVertexXY/fCutMinDCAToVertexXY + dcaToVertexZ*dcaToVertexZ/fCutMinDCAToVertexZ/fCutMinDCAToVertexZ < 1) |
699 | cuts[24] = kTRUE; | |
700 | if (!fCutDCAToVertex2D && TMath::Abs(dcaToVertexXY) < fCutMinDCAToVertexXY) | |
701 | cuts[25] = kTRUE; | |
702 | if (!fCutDCAToVertex2D && TMath::Abs(dcaToVertexZ) < fCutMinDCAToVertexZ) | |
703 | cuts[26] = kTRUE; | |
94c06b89 | 704 | |
705 | for (Int_t i = 0; i < 3; i++) | |
133a5e00 | 706 | cuts[27+i] = !CheckITSClusterRequirement(fCutClusterRequirementITS[i], esdTrack->HasPointOnITSLayer(i*2), esdTrack->HasPointOnITSLayer(i*2+1)); |
73318471 | 707 | |
708 | Bool_t cut=kFALSE; | |
709 | for (Int_t i=0; i<kNCuts; i++) | |
133a5e00 | 710 | if (cuts[i]) {cut = kTRUE;} |
524916f0 | 711 | |
712 | ||
713 | ||
73318471 | 714 | //######################################################################## |
715 | // filling histograms | |
716 | if (fHistogramsOn) { | |
717 | fhCutStatistics->Fill(fhCutStatistics->GetBinCenter(fhCutStatistics->GetXaxis()->FindBin("n tracks"))); | |
73318471 | 718 | if (cut) |
719 | fhCutStatistics->Fill(fhCutStatistics->GetBinCenter(fhCutStatistics->GetXaxis()->FindBin("n cut tracks"))); | |
720 | ||
721 | for (Int_t i=0; i<kNCuts; i++) { | |
722 | if (cuts[i]) | |
524916f0 | 723 | fhCutStatistics->Fill(fhCutStatistics->GetBinCenter(fhCutStatistics->GetXaxis()->FindBin(fgkCutNames[i]))); |
724 | ||
73318471 | 725 | for (Int_t j=i; j<kNCuts; j++) { |
524916f0 | 726 | if (cuts[i] && cuts[j]) { |
727 | Float_t xC = fhCutCorrelation->GetXaxis()->GetBinCenter(fhCutCorrelation->GetXaxis()->FindBin(fgkCutNames[i])); | |
728 | Float_t yC = fhCutCorrelation->GetYaxis()->GetBinCenter(fhCutCorrelation->GetYaxis()->FindBin(fgkCutNames[j])); | |
729 | fhCutCorrelation->Fill(xC, yC); | |
730 | } | |
73318471 | 731 | } |
732 | } | |
73318471 | 733 | } |
734 | ||
524916f0 | 735 | // now we loop over the filling of the histograms twice: once "before" the cut, once "after" |
736 | // the code is not in a function due to too many local variables that would need to be passed | |
73318471 | 737 | |
524916f0 | 738 | for (Int_t id = 0; id < 2; id++) |
739 | { | |
740 | // id = 0 --> before cut | |
741 | // id = 1 --> after cut | |
73318471 | 742 | |
524916f0 | 743 | if (fHistogramsOn) |
73318471 | 744 | { |
524916f0 | 745 | fhNClustersITS[id]->Fill(nClustersITS); |
746 | fhNClustersTPC[id]->Fill(nClustersTPC); | |
747 | fhChi2PerClusterITS[id]->Fill(chi2PerClusterITS); | |
748 | fhChi2PerClusterTPC[id]->Fill(chi2PerClusterTPC); | |
749 | ||
750 | fhC11[id]->Fill(extCov[0]); | |
751 | fhC22[id]->Fill(extCov[2]); | |
752 | fhC33[id]->Fill(extCov[5]); | |
753 | fhC44[id]->Fill(extCov[9]); | |
754 | fhC55[id]->Fill(extCov[14]); | |
755 | ||
756 | fhPt[id]->Fill(pt); | |
757 | fhEta[id]->Fill(eta); | |
758 | ||
759 | Float_t bRes[2]; | |
760 | bRes[0] = TMath::Sqrt(bCov[0]); | |
761 | bRes[1] = TMath::Sqrt(bCov[2]); | |
762 | ||
763 | fhDZ[id]->Fill(b[1]); | |
764 | fhDXY[id]->Fill(b[0]); | |
765 | fhDXYDZ[id]->Fill(dcaToVertex); | |
766 | fhDXYvsDZ[id]->Fill(b[1],b[0]); | |
767 | ||
768 | if (bRes[0]!=0 && bRes[1]!=0) { | |
769 | fhDZNormalized[id]->Fill(b[1]/bRes[1]); | |
770 | fhDXYNormalized[id]->Fill(b[0]/bRes[0]); | |
771 | fhDXYvsDZNormalized[id]->Fill(b[1]/bRes[1], b[0]/bRes[0]); | |
772 | fhNSigmaToVertex[id]->Fill(nSigmaToVertex); | |
773 | } | |
73318471 | 774 | } |
524916f0 | 775 | |
776 | // cut the track | |
777 | if (cut) | |
778 | return kFALSE; | |
73318471 | 779 | } |
780 | ||
781 | return kTRUE; | |
782 | } | |
783 | ||
94c06b89 | 784 | //____________________________________________________________________ |
785 | Bool_t AliESDtrackCuts::CheckITSClusterRequirement(ITSClusterRequirement req, Bool_t clusterL1, Bool_t clusterL2) | |
786 | { | |
787 | // checks if the cluster requirement is fullfilled (in this case: return kTRUE) | |
788 | ||
789 | switch (req) | |
790 | { | |
791 | case kOff: return kTRUE; | |
792 | case kNone: return !clusterL1 && !clusterL2; | |
793 | case kAny: return clusterL1 || clusterL2; | |
794 | case kFirst: return clusterL1; | |
795 | case kOnlyFirst: return clusterL1 && !clusterL2; | |
796 | case kSecond: return clusterL2; | |
797 | case kOnlySecond: return clusterL2 && !clusterL1; | |
798 | case kBoth: return clusterL1 && clusterL2; | |
799 | } | |
800 | ||
801 | return kFALSE; | |
802 | } | |
803 | ||
73318471 | 804 | //____________________________________________________________________ |
524916f0 | 805 | AliESDtrack* AliESDtrackCuts::GetTPCOnlyTrack(AliESDEvent* esd, Int_t iTrack) |
73318471 | 806 | { |
524916f0 | 807 | // creates a TPC only track from the given esd track |
808 | // the track has to be deleted by the user | |
73318471 | 809 | // |
524916f0 | 810 | // NB. most of the functionality to get a TPC only track from an ESD track is in AliESDtrack, where it should be |
811 | // there are only missing propagations here that are needed for old data | |
812 | // this function will therefore become obsolete | |
73318471 | 813 | // |
524916f0 | 814 | // adapted from code provided by CKB |
73318471 | 815 | |
524916f0 | 816 | if (!esd->GetPrimaryVertexTPC()) |
817 | return 0; // No TPC vertex no TPC tracks | |
73318471 | 818 | |
91c88f16 | 819 | if(!esd->GetPrimaryVertexTPC()->GetStatus()) |
820 | return 0; // TPC Vertex is created by default in AliESDEvent, do not use in this case | |
91c88f16 | 821 | |
524916f0 | 822 | AliESDtrack* track = esd->GetTrack(iTrack); |
823 | if (!track) | |
824 | return 0; | |
36853ddd | 825 | |
524916f0 | 826 | AliESDtrack *tpcTrack = new AliESDtrack(); |
73318471 | 827 | |
524916f0 | 828 | // This should have been done during the reconstruction |
829 | // fixed by Juri in r26675 | |
830 | // but recalculate for older data CKB | |
831 | Float_t p[2],cov[3]; | |
832 | track->GetImpactParametersTPC(p,cov); | |
833 | if(p[0]==0&&p[1]==0) | |
834 | track->RelateToVertexTPC(esd->GetPrimaryVertexTPC(),esd->GetMagneticField(),kVeryBig); | |
835 | // BKC | |
73318471 | 836 | |
524916f0 | 837 | // only true if we have a tpc track |
838 | if (!track->FillTPCOnlyTrack(*tpcTrack)) | |
839 | { | |
840 | delete tpcTrack; | |
841 | return 0; | |
73318471 | 842 | } |
843 | ||
524916f0 | 844 | // propagate to Vertex |
845 | // not needed for normal reconstructed ESDs... | |
846 | // Double_t pTPC[2],covTPC[3]; | |
847 | // tpcTrack->PropagateToDCA(esd->GetPrimaryVertexTPC(), esd->GetMagneticField(), 10000, pTPC, covTPC); | |
848 | ||
849 | return tpcTrack; | |
73318471 | 850 | } |
851 | ||
852 | //____________________________________________________________________ | |
36853ddd | 853 | TObjArray* AliESDtrackCuts::GetAcceptedTracks(AliESDEvent* esd,Bool_t bTPC) |
73318471 | 854 | { |
855 | // | |
856 | // returns an array of all tracks that pass the cuts | |
36853ddd | 857 | // or an array of TPC only tracks (propagated to the TPC vertex during reco) |
858 | // tracks that pass the cut | |
73318471 | 859 | |
860 | TObjArray* acceptedTracks = new TObjArray(); | |
861 | ||
862 | // loop over esd tracks | |
863 | for (Int_t iTrack = 0; iTrack < esd->GetNumberOfTracks(); iTrack++) { | |
36853ddd | 864 | if(bTPC){ |
865 | if(!esd->GetPrimaryVertexTPC())return acceptedTracks; // No TPC vertex no TPC tracks | |
91c88f16 | 866 | if(!esd->GetPrimaryVertexTPC()->GetStatus())return acceptedTracks; // No proper TPC vertex, only the default |
36853ddd | 867 | |
524916f0 | 868 | AliESDtrack *tpcTrack = GetTPCOnlyTrack(esd, iTrack); |
869 | if (!tpcTrack) | |
870 | continue; | |
871 | ||
872 | if (AcceptTrack(tpcTrack)) { | |
873 | acceptedTracks->Add(tpcTrack); | |
36853ddd | 874 | } |
524916f0 | 875 | else |
876 | delete tpcTrack; | |
877 | } | |
878 | else | |
879 | { | |
880 | AliESDtrack* track = esd->GetTrack(iTrack); | |
881 | if(AcceptTrack(track)) | |
882 | acceptedTracks->Add(track); | |
36853ddd | 883 | } |
36853ddd | 884 | } |
885 | if(bTPC)acceptedTracks->SetOwner(kTRUE); | |
73318471 | 886 | return acceptedTracks; |
887 | } | |
888 | ||
889 | //____________________________________________________________________ | |
890 | Int_t AliESDtrackCuts::CountAcceptedTracks(AliESDEvent* esd) | |
891 | { | |
892 | // | |
893 | // returns an the number of tracks that pass the cuts | |
894 | // | |
895 | ||
896 | Int_t count = 0; | |
897 | ||
898 | // loop over esd tracks | |
899 | for (Int_t iTrack = 0; iTrack < esd->GetNumberOfTracks(); iTrack++) { | |
900 | AliESDtrack* track = esd->GetTrack(iTrack); | |
73318471 | 901 | if (AcceptTrack(track)) |
902 | count++; | |
903 | } | |
904 | ||
905 | return count; | |
906 | } | |
907 | ||
908 | //____________________________________________________________________ | |
909 | void AliESDtrackCuts::DefineHistograms(Int_t color) { | |
910 | // | |
911 | // diagnostics histograms are defined | |
912 | // | |
913 | ||
914 | fHistogramsOn=kTRUE; | |
915 | ||
916 | Bool_t oldStatus = TH1::AddDirectoryStatus(); | |
917 | TH1::AddDirectory(kFALSE); | |
918 | ||
919 | //################################################################################### | |
920 | // defining histograms | |
921 | ||
922 | fhCutStatistics = new TH1F("cut_statistics","cut statistics",kNCuts+4,-0.5,kNCuts+3.5); | |
923 | ||
924 | fhCutStatistics->GetXaxis()->SetBinLabel(1,"n tracks"); | |
925 | fhCutStatistics->GetXaxis()->SetBinLabel(2,"n cut tracks"); | |
926 | ||
927 | fhCutCorrelation = new TH2F("cut_correlation","cut correlation",kNCuts,-0.5,kNCuts-0.5,kNCuts,-0.5,kNCuts-0.5);; | |
928 | ||
929 | for (Int_t i=0; i<kNCuts; i++) { | |
930 | fhCutStatistics->GetXaxis()->SetBinLabel(i+4,fgkCutNames[i]); | |
931 | fhCutCorrelation->GetXaxis()->SetBinLabel(i+1,fgkCutNames[i]); | |
932 | fhCutCorrelation->GetYaxis()->SetBinLabel(i+1,fgkCutNames[i]); | |
0f712a2e | 933 | } |
73318471 | 934 | |
935 | fhCutStatistics ->SetLineColor(color); | |
936 | fhCutCorrelation ->SetLineColor(color); | |
937 | fhCutStatistics ->SetLineWidth(2); | |
938 | fhCutCorrelation ->SetLineWidth(2); | |
939 | ||
73318471 | 940 | for (Int_t i=0; i<2; i++) { |
524916f0 | 941 | fhNClustersITS[i] = new TH1F("nClustersITS" ,"",8,-0.5,7.5); |
942 | fhNClustersTPC[i] = new TH1F("nClustersTPC" ,"",165,-0.5,164.5); | |
943 | fhChi2PerClusterITS[i] = new TH1F("chi2PerClusterITS","",500,0,10); | |
944 | fhChi2PerClusterTPC[i] = new TH1F("chi2PerClusterTPC","",500,0,10); | |
945 | ||
946 | fhC11[i] = new TH1F("covMatrixDiagonal11","",2000,0,20); | |
947 | fhC22[i] = new TH1F("covMatrixDiagonal22","",2000,0,20); | |
0f712a2e | 948 | fhC33[i] = new TH1F("covMatrixDiagonal33","",1000,0,0.1); |
949 | fhC44[i] = new TH1F("covMatrixDiagonal44","",1000,0,0.1); | |
524916f0 | 950 | fhC55[i] = new TH1F("covMatrixDiagonal55","",1000,0,5); |
951 | ||
952 | fhDXY[i] = new TH1F("dXY" ,"",500,-10,10); | |
953 | fhDZ[i] = new TH1F("dZ" ,"",500,-10,10); | |
954 | fhDXYDZ[i] = new TH1F("dXYDZ" ,"",500,0,10); | |
955 | fhDXYvsDZ[i] = new TH2F("dXYvsDZ","",200,-10,10,200,-10,10); | |
956 | ||
957 | fhDXYNormalized[i] = new TH1F("dXYNormalized" ,"",500,-10,10); | |
958 | fhDZNormalized[i] = new TH1F("dZNormalized" ,"",500,-10,10); | |
959 | fhDXYvsDZNormalized[i] = new TH2F("dXYvsDZNormalized","",200,-10,10,200,-10,10); | |
960 | ||
961 | fhNSigmaToVertex[i] = new TH1F("nSigmaToVertex","",500,0,10); | |
962 | ||
86f0e195 | 963 | fhPt[i] = new TH1F("pt" ,"p_{T} distribution;p_{T} (GeV/c)", 800, 0.0, 10.0); |
524916f0 | 964 | fhEta[i] = new TH1F("eta" ,"#eta distribution;#eta",40,-2.0,2.0); |
73318471 | 965 | |
966 | fhNClustersITS[i]->SetTitle("n ITS clusters"); | |
967 | fhNClustersTPC[i]->SetTitle("n TPC clusters"); | |
968 | fhChi2PerClusterITS[i]->SetTitle("#Chi^{2} per ITS cluster"); | |
969 | fhChi2PerClusterTPC[i]->SetTitle("#Chi^{2} per TPC cluster"); | |
970 | ||
971 | fhC11[i]->SetTitle("cov 11 : #sigma_{y}^{2} [cm^{2}]"); | |
972 | fhC22[i]->SetTitle("cov 22 : #sigma_{z}^{2} [cm^{2}]"); | |
973 | fhC33[i]->SetTitle("cov 33 : #sigma_{sin(#phi)}^{2}"); | |
974 | fhC44[i]->SetTitle("cov 44 : #sigma_{tan(#theta_{dip})}^{2}"); | |
975 | fhC55[i]->SetTitle("cov 55 : #sigma_{1/p_{T}}^{2} [(c/GeV)^2]"); | |
976 | ||
86f0e195 | 977 | fhDXY[i]->SetXTitle("transverse impact parameter (cm)"); |
978 | fhDZ[i]->SetXTitle("longitudinal impact parameter (cm)"); | |
979 | fhDXYDZ[i]->SetTitle("absolute impact parameter;sqrt(dXY**2 + dZ**2) (cm)"); | |
980 | fhDXYvsDZ[i]->SetXTitle("longitudinal impact parameter (cm)"); | |
981 | fhDXYvsDZ[i]->SetYTitle("transverse impact parameter (cm)"); | |
73318471 | 982 | |
86f0e195 | 983 | fhDXYNormalized[i]->SetTitle("normalized trans impact par (n#sigma)"); |
984 | fhDZNormalized[i]->SetTitle("normalized long impact par (n#sigma)"); | |
985 | fhDXYvsDZNormalized[i]->SetTitle("normalized long impact par (n#sigma)"); | |
986 | fhDXYvsDZNormalized[i]->SetYTitle("normalized trans impact par (n#sigma)"); | |
73318471 | 987 | fhNSigmaToVertex[i]->SetTitle("n #sigma to vertex"); |
988 | ||
989 | fhNClustersITS[i]->SetLineColor(color); fhNClustersITS[i]->SetLineWidth(2); | |
990 | fhNClustersTPC[i]->SetLineColor(color); fhNClustersTPC[i]->SetLineWidth(2); | |
991 | fhChi2PerClusterITS[i]->SetLineColor(color); fhChi2PerClusterITS[i]->SetLineWidth(2); | |
992 | fhChi2PerClusterTPC[i]->SetLineColor(color); fhChi2PerClusterTPC[i]->SetLineWidth(2); | |
993 | ||
994 | fhC11[i]->SetLineColor(color); fhC11[i]->SetLineWidth(2); | |
995 | fhC22[i]->SetLineColor(color); fhC22[i]->SetLineWidth(2); | |
996 | fhC33[i]->SetLineColor(color); fhC33[i]->SetLineWidth(2); | |
997 | fhC44[i]->SetLineColor(color); fhC44[i]->SetLineWidth(2); | |
998 | fhC55[i]->SetLineColor(color); fhC55[i]->SetLineWidth(2); | |
999 | ||
1000 | fhDXY[i]->SetLineColor(color); fhDXY[i]->SetLineWidth(2); | |
524916f0 | 1001 | fhDZ[i]->SetLineColor(color); fhDZ[i]->SetLineWidth(2); |
1002 | fhDXYDZ[i]->SetLineColor(color); fhDXYDZ[i]->SetLineWidth(2); | |
73318471 | 1003 | |
1004 | fhDXYNormalized[i]->SetLineColor(color); fhDXYNormalized[i]->SetLineWidth(2); | |
1005 | fhDZNormalized[i]->SetLineColor(color); fhDZNormalized[i]->SetLineWidth(2); | |
1006 | fhNSigmaToVertex[i]->SetLineColor(color); fhNSigmaToVertex[i]->SetLineWidth(2); | |
1007 | } | |
1008 | ||
1009 | // The number of sigmas to the vertex is per definition gaussian | |
1010 | ffDTheoretical = new TF1("nSigmaToVertexTheoretical","([0]/2.506628274)*exp(-(x**2)/2)",0,50); | |
1011 | ffDTheoretical->SetParameter(0,1); | |
524916f0 | 1012 | |
73318471 | 1013 | TH1::AddDirectory(oldStatus); |
1014 | } | |
1015 | ||
1016 | //____________________________________________________________________ | |
1017 | Bool_t AliESDtrackCuts::LoadHistograms(const Char_t* dir) | |
1018 | { | |
1019 | // | |
1020 | // loads the histograms from a file | |
1021 | // if dir is empty a directory with the name of this object is taken (like in SaveHistogram) | |
1022 | // | |
1023 | ||
1024 | if (!dir) | |
1025 | dir = GetName(); | |
1026 | ||
1027 | if (!gDirectory->cd(dir)) | |
1028 | return kFALSE; | |
1029 | ||
1030 | ffDTheoretical = dynamic_cast<TF1*> (gDirectory->Get("nSigmaToVertexTheory")); | |
1031 | ||
1032 | fhCutStatistics = dynamic_cast<TH1F*> (gDirectory->Get("cut_statistics")); | |
1033 | fhCutCorrelation = dynamic_cast<TH2F*> (gDirectory->Get("cut_correlation")); | |
1034 | ||
73318471 | 1035 | for (Int_t i=0; i<2; i++) { |
1036 | if (i==0) | |
1037 | { | |
1038 | gDirectory->cd("before_cuts"); | |
73318471 | 1039 | } |
1040 | else | |
73318471 | 1041 | gDirectory->cd("after_cuts"); |
73318471 | 1042 | |
524916f0 | 1043 | fhNClustersITS[i] = dynamic_cast<TH1F*> (gDirectory->Get("nClustersITS" )); |
1044 | fhNClustersTPC[i] = dynamic_cast<TH1F*> (gDirectory->Get("nClustersTPC" )); | |
1045 | fhChi2PerClusterITS[i] = dynamic_cast<TH1F*> (gDirectory->Get("chi2PerClusterITS")); | |
1046 | fhChi2PerClusterTPC[i] = dynamic_cast<TH1F*> (gDirectory->Get("chi2PerClusterTPC")); | |
73318471 | 1047 | |
524916f0 | 1048 | fhC11[i] = dynamic_cast<TH1F*> (gDirectory->Get("covMatrixDiagonal11")); |
1049 | fhC22[i] = dynamic_cast<TH1F*> (gDirectory->Get("covMatrixDiagonal22")); | |
1050 | fhC33[i] = dynamic_cast<TH1F*> (gDirectory->Get("covMatrixDiagonal33")); | |
1051 | fhC44[i] = dynamic_cast<TH1F*> (gDirectory->Get("covMatrixDiagonal44")); | |
1052 | fhC55[i] = dynamic_cast<TH1F*> (gDirectory->Get("covMatrixDiagonal55")); | |
73318471 | 1053 | |
524916f0 | 1054 | fhDXY[i] = dynamic_cast<TH1F*> (gDirectory->Get("dXY" )); |
1055 | fhDZ[i] = dynamic_cast<TH1F*> (gDirectory->Get("dZ" )); | |
1056 | fhDXYDZ[i] = dynamic_cast<TH1F*> (gDirectory->Get("dXYDZ")); | |
1057 | fhDXYvsDZ[i] = dynamic_cast<TH2F*> (gDirectory->Get("dXYvsDZ")); | |
73318471 | 1058 | |
524916f0 | 1059 | fhDXYNormalized[i] = dynamic_cast<TH1F*> (gDirectory->Get("dXYNormalized" )); |
1060 | fhDZNormalized[i] = dynamic_cast<TH1F*> (gDirectory->Get("dZNormalized" )); | |
1061 | fhDXYvsDZNormalized[i] = dynamic_cast<TH2F*> (gDirectory->Get("dXYvsDZNormalized")); | |
1062 | fhNSigmaToVertex[i] = dynamic_cast<TH1F*> (gDirectory->Get("nSigmaToVertex")); | |
73318471 | 1063 | |
524916f0 | 1064 | fhPt[i] = dynamic_cast<TH1F*> (gDirectory->Get("pt")); |
1065 | fhEta[i] = dynamic_cast<TH1F*> (gDirectory->Get("eta")); | |
73318471 | 1066 | |
1067 | gDirectory->cd("../"); | |
1068 | } | |
1069 | ||
1070 | gDirectory->cd(".."); | |
1071 | ||
1072 | return kTRUE; | |
1073 | } | |
1074 | ||
1075 | //____________________________________________________________________ | |
1076 | void AliESDtrackCuts::SaveHistograms(const Char_t* dir) { | |
1077 | // | |
1078 | // saves the histograms in a directory (dir) | |
1079 | // | |
1080 | ||
1081 | if (!fHistogramsOn) { | |
1082 | AliDebug(0, "Histograms not on - cannot save histograms!!!"); | |
1083 | return; | |
1084 | } | |
1085 | ||
1086 | if (!dir) | |
1087 | dir = GetName(); | |
1088 | ||
1089 | gDirectory->mkdir(dir); | |
1090 | gDirectory->cd(dir); | |
1091 | ||
1092 | gDirectory->mkdir("before_cuts"); | |
1093 | gDirectory->mkdir("after_cuts"); | |
1094 | ||
1095 | // a factor of 2 is needed since n sigma is positive | |
1096 | ffDTheoretical->SetParameter(0,2*fhNSigmaToVertex[0]->Integral("width")); | |
1097 | ffDTheoretical->Write("nSigmaToVertexTheory"); | |
1098 | ||
1099 | fhCutStatistics->Write(); | |
1100 | fhCutCorrelation->Write(); | |
1101 | ||
1102 | for (Int_t i=0; i<2; i++) { | |
1103 | if (i==0) | |
1104 | gDirectory->cd("before_cuts"); | |
1105 | else | |
1106 | gDirectory->cd("after_cuts"); | |
1107 | ||
1108 | fhNClustersITS[i] ->Write(); | |
1109 | fhNClustersTPC[i] ->Write(); | |
1110 | fhChi2PerClusterITS[i] ->Write(); | |
1111 | fhChi2PerClusterTPC[i] ->Write(); | |
1112 | ||
1113 | fhC11[i] ->Write(); | |
1114 | fhC22[i] ->Write(); | |
1115 | fhC33[i] ->Write(); | |
1116 | fhC44[i] ->Write(); | |
1117 | fhC55[i] ->Write(); | |
1118 | ||
1119 | fhDXY[i] ->Write(); | |
1120 | fhDZ[i] ->Write(); | |
524916f0 | 1121 | fhDXYDZ[i] ->Write(); |
73318471 | 1122 | fhDXYvsDZ[i] ->Write(); |
1123 | ||
1124 | fhDXYNormalized[i] ->Write(); | |
1125 | fhDZNormalized[i] ->Write(); | |
1126 | fhDXYvsDZNormalized[i] ->Write(); | |
1127 | fhNSigmaToVertex[i] ->Write(); | |
1128 | ||
1129 | fhPt[i] ->Write(); | |
1130 | fhEta[i] ->Write(); | |
1131 | ||
1132 | gDirectory->cd("../"); | |
1133 | } | |
1134 | ||
1135 | gDirectory->cd("../"); | |
1136 | } | |
1137 | ||
1138 | //____________________________________________________________________ | |
1139 | void AliESDtrackCuts::DrawHistograms() | |
1140 | { | |
1141 | // draws some histograms | |
1142 | ||
1143 | TCanvas* canvas1 = new TCanvas(Form("%s_1", GetName()), "Track Quality Results1", 800, 800); | |
1144 | canvas1->Divide(2, 2); | |
1145 | ||
1146 | canvas1->cd(1); | |
1147 | fhNClustersTPC[0]->SetStats(kFALSE); | |
1148 | fhNClustersTPC[0]->Draw(); | |
1149 | ||
1150 | canvas1->cd(2); | |
1151 | fhChi2PerClusterTPC[0]->SetStats(kFALSE); | |
1152 | fhChi2PerClusterTPC[0]->Draw(); | |
1153 | ||
1154 | canvas1->cd(3); | |
1155 | fhNSigmaToVertex[0]->SetStats(kFALSE); | |
1156 | fhNSigmaToVertex[0]->GetXaxis()->SetRangeUser(0, 10); | |
1157 | fhNSigmaToVertex[0]->Draw(); | |
1158 | ||
1159 | canvas1->SaveAs(Form("%s_%s.gif", GetName(), canvas1->GetName())); | |
1160 | ||
1161 | TCanvas* canvas2 = new TCanvas(Form("%s_2", GetName()), "Track Quality Results2", 1200, 800); | |
1162 | canvas2->Divide(3, 2); | |
1163 | ||
1164 | canvas2->cd(1); | |
1165 | fhC11[0]->SetStats(kFALSE); | |
1166 | gPad->SetLogy(); | |
1167 | fhC11[0]->Draw(); | |
1168 | ||
1169 | canvas2->cd(2); | |
1170 | fhC22[0]->SetStats(kFALSE); | |
1171 | gPad->SetLogy(); | |
1172 | fhC22[0]->Draw(); | |
1173 | ||
1174 | canvas2->cd(3); | |
1175 | fhC33[0]->SetStats(kFALSE); | |
1176 | gPad->SetLogy(); | |
1177 | fhC33[0]->Draw(); | |
1178 | ||
1179 | canvas2->cd(4); | |
1180 | fhC44[0]->SetStats(kFALSE); | |
1181 | gPad->SetLogy(); | |
1182 | fhC44[0]->Draw(); | |
1183 | ||
1184 | canvas2->cd(5); | |
1185 | fhC55[0]->SetStats(kFALSE); | |
1186 | gPad->SetLogy(); | |
1187 | fhC55[0]->Draw(); | |
1188 | ||
1189 | canvas2->SaveAs(Form("%s_%s.gif", GetName(), canvas2->GetName())); | |
1190 | ||
1191 | TCanvas* canvas3 = new TCanvas(Form("%s_3", GetName()), "Track Quality Results3", 1200, 800); | |
1192 | canvas3->Divide(3, 2); | |
1193 | ||
1194 | canvas3->cd(1); | |
1195 | fhDXY[0]->SetStats(kFALSE); | |
1196 | gPad->SetLogy(); | |
1197 | fhDXY[0]->Draw(); | |
1198 | ||
1199 | canvas3->cd(2); | |
1200 | fhDZ[0]->SetStats(kFALSE); | |
1201 | gPad->SetLogy(); | |
1202 | fhDZ[0]->Draw(); | |
1203 | ||
1204 | canvas3->cd(3); | |
1205 | fhDXYvsDZ[0]->SetStats(kFALSE); | |
1206 | gPad->SetLogz(); | |
1207 | gPad->SetRightMargin(0.15); | |
1208 | fhDXYvsDZ[0]->Draw("COLZ"); | |
1209 | ||
1210 | canvas3->cd(4); | |
1211 | fhDXYNormalized[0]->SetStats(kFALSE); | |
1212 | gPad->SetLogy(); | |
1213 | fhDXYNormalized[0]->Draw(); | |
1214 | ||
1215 | canvas3->cd(5); | |
1216 | fhDZNormalized[0]->SetStats(kFALSE); | |
1217 | gPad->SetLogy(); | |
1218 | fhDZNormalized[0]->Draw(); | |
1219 | ||
1220 | canvas3->cd(6); | |
1221 | fhDXYvsDZNormalized[0]->SetStats(kFALSE); | |
1222 | gPad->SetLogz(); | |
1223 | gPad->SetRightMargin(0.15); | |
1224 | fhDXYvsDZNormalized[0]->Draw("COLZ"); | |
1225 | ||
1226 | canvas3->SaveAs(Form("%s_%s.gif", GetName(), canvas3->GetName())); | |
1227 | ||
1228 | TCanvas* canvas4 = new TCanvas(Form("%s_4", GetName()), "Track Quality Results4", 800, 500); | |
1229 | canvas4->Divide(2, 1); | |
1230 | ||
1231 | canvas4->cd(1); | |
1232 | fhCutStatistics->SetStats(kFALSE); | |
1233 | fhCutStatistics->LabelsOption("v"); | |
1234 | gPad->SetBottomMargin(0.3); | |
1235 | fhCutStatistics->Draw(); | |
1236 | ||
1237 | canvas4->cd(2); | |
1238 | fhCutCorrelation->SetStats(kFALSE); | |
1239 | fhCutCorrelation->LabelsOption("v"); | |
1240 | gPad->SetBottomMargin(0.3); | |
1241 | gPad->SetLeftMargin(0.3); | |
1242 | fhCutCorrelation->Draw("COLZ"); | |
1243 | ||
1244 | canvas4->SaveAs(Form("%s_%s.gif", GetName(), canvas4->GetName())); | |
1245 | ||
1246 | /*canvas->cd(1); | |
1247 | fhDXYvsDZNormalized[0]->SetStats(kFALSE); | |
1248 | fhDXYvsDZNormalized[0]->DrawCopy("COLZ"); | |
1249 | ||
1250 | canvas->cd(2); | |
1251 | fhNClustersTPC[0]->SetStats(kFALSE); | |
1252 | fhNClustersTPC[0]->DrawCopy(); | |
1253 | ||
1254 | canvas->cd(3); | |
1255 | fhChi2PerClusterITS[0]->SetStats(kFALSE); | |
1256 | fhChi2PerClusterITS[0]->DrawCopy(); | |
1257 | fhChi2PerClusterITS[1]->SetLineColor(2); | |
1258 | fhChi2PerClusterITS[1]->DrawCopy("SAME"); | |
1259 | ||
1260 | canvas->cd(4); | |
1261 | fhChi2PerClusterTPC[0]->SetStats(kFALSE); | |
1262 | fhChi2PerClusterTPC[0]->DrawCopy(); | |
1263 | fhChi2PerClusterTPC[1]->SetLineColor(2); | |
1264 | fhChi2PerClusterTPC[1]->DrawCopy("SAME");*/ | |
1265 | } | |
1266 | ||
94c06b89 | 1267 | Float_t AliESDtrackCuts::GetMinNsigmaToVertex() const |
1268 | { | |
1269 | // deprecated, please use GetMaxNsigmaToVertex | |
1270 | ||
1271 | Printf("WARNING: AliESDtrackCuts::GetMinNsigmaToVertex is DEPRECATED and will be removed in the next release. Please use GetMaxNsigmaToVertex instead. Renaming was done to improve code readability."); | |
1272 | ||
1273 | return GetMaxNsigmaToVertex(); | |
1274 | } | |
1275 | ||
1276 | void AliESDtrackCuts::SetMinNsigmaToVertex(Float_t sigma) | |
1277 | { | |
1278 | // deprecated, will be removed in next release | |
1279 | ||
1280 | Printf("WARNING: AliESDtrackCuts::SetMinNsigmaToVertex is DEPRECATED and will be removed in the next release. Please use SetMaxNsigmaToVertex instead. Renaming was done to improve code readability."); | |
1281 | ||
1282 | SetMaxNsigmaToVertex(sigma); | |
1283 | } | |
1284 | ||
1285 | void AliESDtrackCuts::SetDCAToVertex(Float_t dist) | |
1286 | { | |
1287 | // deprecated, will be removed in next release | |
1288 | ||
94c06b89 | 1289 | SetMaxDCAToVertex(dist); |
1290 | } | |
1291 | ||
86f0e195 | 1292 | void AliESDtrackCuts::SetMaxDCAToVertex(Float_t dist) |
1293 | { | |
1294 | // deprecated, will be removed in next release | |
1295 | ||
1296 | Printf("WARNING: AliESDtrackCuts::SetMaxDCAToVertex is DEPRECATED and will be removed in the next release. Please use SetDCAToVertexXY(dist) and SetDCAToVertexZ(dist) and SetDCAToVertex2D(kTRUE)"); | |
1297 | ||
1298 | SetDCAToVertexXY(dist); | |
1299 | SetDCAToVertexZ(dist); | |
1300 | SetDCAToVertex2D(kTRUE); | |
1301 | } | |
1302 | ||
94c06b89 | 1303 | void AliESDtrackCuts::SetDCAToVertexXY(Float_t dist) |
1304 | { | |
1305 | // deprecated, will be removed in next release | |
1306 | ||
1307 | Printf("WARNING: AliESDtrackCuts::SetDCAToVertexXY is DEPRECATED and will be removed in the next release. Please use SetMaxDCAToVertexXY instead. Renaming was done to improve code readability."); | |
1308 | ||
1309 | SetMaxDCAToVertexXY(dist); | |
1310 | } | |
1311 | ||
1312 | void AliESDtrackCuts::SetDCAToVertexZ(Float_t dist) | |
1313 | { | |
1314 | // deprecated, will be removed in next release | |
1315 | ||
1316 | Printf("WARNING: AliESDtrackCuts::SetDCAToVertexZ is DEPRECATED and will be removed in the next release. Please use SetMaxDCAToVertexZ instead. Renaming was done to improve code readability."); | |
1317 | ||
1318 | SetMaxDCAToVertexZ(dist); | |
1319 | } |