]>
Commit | Line | Data |
---|---|---|
d560b581 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
16 | /* $Id$ */ | |
17 | ||
0b75bef2 | 18 | #include "AliESDtrackCuts.h" |
19 | ||
aa93c798 | 20 | |
21 | #include <AliESDtrack.h> | |
22 | #include <AliESD.h> | |
23 | #include <AliLog.h> | |
3c4b53f0 | 24 | |
5c495d37 | 25 | #include <TTree.h> |
3c4b53f0 | 26 | #include <TCanvas.h> |
d560b581 | 27 | #include <TDirectory.h> |
aa93c798 | 28 | |
0b75bef2 | 29 | //____________________________________________________________________ |
f58f1a93 | 30 | ClassImp(AliESDtrackCuts) |
0b75bef2 | 31 | |
ebd60d8e | 32 | // Cut names |
ab2c1f0d | 33 | const Char_t* AliESDtrackCuts::fgkCutNames[kNCuts] = { |
ebd60d8e | 34 | "require TPC refit", |
35 | "require ITS refit", | |
36 | "n clusters TPC", | |
37 | "n clusters ITS", | |
38 | "#Chi^{2}/clusters TPC", | |
39 | "#Chi^{2}/clusters ITS", | |
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", | |
ebd60d8e | 48 | "p", |
49 | "p_{T}", | |
50 | "p_{x}", | |
51 | "p_{y}", | |
52 | "p_{z}", | |
53 | "y", | |
54 | "eta" | |
55 | }; | |
56 | ||
0b75bef2 | 57 | //____________________________________________________________________ |
d8594d03 | 58 | AliESDtrackCuts::AliESDtrackCuts() : TNamed(), |
59 | fCutMinNClusterTPC(0), | |
60 | fCutMinNClusterITS(0), | |
61 | fCutMaxChi2PerClusterTPC(0), | |
62 | fCutMaxChi2PerClusterITS(0), | |
63 | fCutMaxC11(0), | |
64 | fCutMaxC22(0), | |
65 | fCutMaxC33(0), | |
66 | fCutMaxC44(0), | |
67 | fCutMaxC55(0), | |
68 | fCutAcceptKinkDaughters(0), | |
69 | fCutRequireTPCRefit(0), | |
70 | fCutRequireITSRefit(0), | |
71 | fCutNsigmaToVertex(0), | |
72 | fCutSigmaToVertexRequired(0), | |
73 | fPMin(0), | |
74 | fPMax(0), | |
75 | fPtMin(0), | |
76 | fPtMax(0), | |
77 | fPxMin(0), | |
78 | fPxMax(0), | |
79 | fPyMin(0), | |
80 | fPyMax(0), | |
81 | fPzMin(0), | |
82 | fPzMax(0), | |
83 | fEtaMin(0), | |
84 | fEtaMax(0), | |
85 | fRapMin(0), | |
86 | fRapMax(0), | |
87 | fHistogramsOn(0), | |
129a66bb | 88 | ffDTheoretical(0), |
d8594d03 | 89 | fhCutStatistics(0), |
90 | fhCutCorrelation(0) | |
91 | { | |
92 | // | |
93 | // default constructor | |
94 | // | |
0b8a2421 | 95 | |
96 | Init(); | |
d8594d03 | 97 | } |
98 | ||
99 | //____________________________________________________________________ | |
100 | AliESDtrackCuts::AliESDtrackCuts(Char_t* name, Char_t* title) : TNamed(name,title), | |
aa617804 | 101 | fCutMinNClusterTPC(0), |
102 | fCutMinNClusterITS(0), | |
103 | fCutMaxChi2PerClusterTPC(0), | |
104 | fCutMaxChi2PerClusterITS(0), | |
105 | fCutMaxC11(0), | |
106 | fCutMaxC22(0), | |
107 | fCutMaxC33(0), | |
108 | fCutMaxC44(0), | |
109 | fCutMaxC55(0), | |
110 | fCutAcceptKinkDaughters(0), | |
111 | fCutRequireTPCRefit(0), | |
112 | fCutRequireITSRefit(0), | |
113 | fCutNsigmaToVertex(0), | |
114 | fCutSigmaToVertexRequired(0), | |
115 | fPMin(0), | |
116 | fPMax(0), | |
117 | fPtMin(0), | |
118 | fPtMax(0), | |
119 | fPxMin(0), | |
120 | fPxMax(0), | |
121 | fPyMin(0), | |
122 | fPyMax(0), | |
123 | fPzMin(0), | |
124 | fPzMax(0), | |
125 | fEtaMin(0), | |
126 | fEtaMax(0), | |
127 | fRapMin(0), | |
128 | fRapMax(0), | |
129 | fHistogramsOn(0), | |
130 | fhCutStatistics(0), | |
131 | fhCutCorrelation(0) | |
ebd60d8e | 132 | { |
133 | // | |
134 | // constructor | |
135 | // | |
136 | ||
137 | Init(); | |
0b75bef2 | 138 | |
139 | //############################################################################## | |
140 | // setting default cuts | |
0b75bef2 | 141 | SetMinNClustersTPC(); |
ebd60d8e | 142 | SetMinNClustersITS(); |
0b75bef2 | 143 | SetMaxChi2PerClusterTPC(); |
144 | SetMaxChi2PerClusterITS(); | |
145 | SetMaxCovDiagonalElements(); | |
146 | SetRequireTPCRefit(); | |
147 | SetRequireITSRefit(); | |
148 | SetAcceptKingDaughters(); | |
149 | SetMinNsigmaToVertex(); | |
150 | SetRequireSigmaToVertex(); | |
151 | SetPRange(); | |
152 | SetPtRange(); | |
153 | SetPxRange(); | |
154 | SetPyRange(); | |
155 | SetPzRange(); | |
156 | SetEtaRange(); | |
157 | SetRapRange(); | |
158 | ||
159 | SetHistogramsOn(); | |
ebd60d8e | 160 | } |
161 | ||
162 | //_____________________________________________________________________________ | |
3633478d | 163 | AliESDtrackCuts::AliESDtrackCuts(const AliESDtrackCuts &c) : TNamed(c), |
aa617804 | 164 | fCutMinNClusterTPC(0), |
165 | fCutMinNClusterITS(0), | |
166 | fCutMaxChi2PerClusterTPC(0), | |
167 | fCutMaxChi2PerClusterITS(0), | |
168 | fCutMaxC11(0), | |
169 | fCutMaxC22(0), | |
170 | fCutMaxC33(0), | |
171 | fCutMaxC44(0), | |
172 | fCutMaxC55(0), | |
173 | fCutAcceptKinkDaughters(0), | |
174 | fCutRequireTPCRefit(0), | |
175 | fCutRequireITSRefit(0), | |
176 | fCutNsigmaToVertex(0), | |
177 | fCutSigmaToVertexRequired(0), | |
178 | fPMin(0), | |
179 | fPMax(0), | |
180 | fPtMin(0), | |
181 | fPtMax(0), | |
182 | fPxMin(0), | |
183 | fPxMax(0), | |
184 | fPyMin(0), | |
185 | fPyMax(0), | |
186 | fPzMin(0), | |
187 | fPzMax(0), | |
188 | fEtaMin(0), | |
189 | fEtaMax(0), | |
190 | fRapMin(0), | |
191 | fRapMax(0), | |
192 | fHistogramsOn(0), | |
129a66bb | 193 | ffDTheoretical(0), |
aa617804 | 194 | fhCutStatistics(0), |
195 | fhCutCorrelation(0) | |
ebd60d8e | 196 | { |
197 | // | |
198 | // copy constructor | |
199 | // | |
200 | ||
201 | ((AliESDtrackCuts &) c).Copy(*this); | |
202 | } | |
203 | ||
204 | AliESDtrackCuts::~AliESDtrackCuts() | |
205 | { | |
206 | // | |
207 | // destructor | |
208 | // | |
209 | ||
927c71e5 | 210 | for (Int_t i=0; i<2; i++) { |
211 | ||
212 | if (fhNClustersITS[i]) | |
213 | delete fhNClustersITS[i]; | |
214 | if (fhNClustersTPC[i]) | |
215 | delete fhNClustersTPC[i]; | |
216 | if (fhChi2PerClusterITS[i]) | |
217 | delete fhChi2PerClusterITS[i]; | |
218 | if (fhChi2PerClusterTPC[i]) | |
219 | delete fhChi2PerClusterTPC[i]; | |
220 | if (fhC11[i]) | |
221 | delete fhC11[i]; | |
222 | if (fhC22[i]) | |
223 | delete fhC22[i]; | |
224 | if (fhC33[i]) | |
225 | delete fhC33[i]; | |
226 | if (fhC44[i]) | |
227 | delete fhC44[i]; | |
228 | if (fhC55[i]) | |
229 | delete fhC55[i]; | |
230 | ||
231 | if (fhDXY[i]) | |
232 | delete fhDXY[i]; | |
233 | if (fhDZ[i]) | |
234 | delete fhDZ[i]; | |
235 | if (fhDXYvsDZ[i]) | |
236 | delete fhDXYvsDZ[i]; | |
237 | ||
238 | if (fhDXYNormalized[i]) | |
239 | delete fhDXYNormalized[i]; | |
240 | if (fhDZNormalized[i]) | |
3c4b53f0 | 241 | delete fhDZNormalized[i]; |
927c71e5 | 242 | if (fhDXYvsDZNormalized[i]) |
243 | delete fhDXYvsDZNormalized[i]; | |
129a66bb | 244 | if (fhNSigmaToVertex[i]) |
245 | delete fhNSigmaToVertex[i]; | |
927c71e5 | 246 | } |
3c4b53f0 | 247 | |
129a66bb | 248 | if (ffDTheoretical) |
249 | delete ffDTheoretical; | |
927c71e5 | 250 | |
251 | if (fhCutStatistics) | |
252 | delete fhCutStatistics; | |
253 | if (fhCutCorrelation) | |
254 | delete fhCutCorrelation; | |
ebd60d8e | 255 | } |
256 | ||
257 | void AliESDtrackCuts::Init() | |
258 | { | |
259 | // | |
260 | // sets everything to zero | |
261 | // | |
262 | ||
ab2c1f0d | 263 | fCutMinNClusterTPC = 0; |
264 | fCutMinNClusterITS = 0; | |
ebd60d8e | 265 | |
ab2c1f0d | 266 | fCutMaxChi2PerClusterTPC = 0; |
267 | fCutMaxChi2PerClusterITS = 0; | |
ebd60d8e | 268 | |
ab2c1f0d | 269 | fCutMaxC11 = 0; |
270 | fCutMaxC22 = 0; | |
271 | fCutMaxC33 = 0; | |
272 | fCutMaxC44 = 0; | |
273 | fCutMaxC55 = 0; | |
ebd60d8e | 274 | |
ab2c1f0d | 275 | fCutAcceptKinkDaughters = 0; |
276 | fCutRequireTPCRefit = 0; | |
277 | fCutRequireITSRefit = 0; | |
ebd60d8e | 278 | |
ab2c1f0d | 279 | fCutNsigmaToVertex = 0; |
280 | fCutSigmaToVertexRequired = 0; | |
ebd60d8e | 281 | |
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; | |
315 | fhDXYvsDZ[i] = 0; | |
316 | ||
317 | fhDXYNormalized[i] = 0; | |
318 | fhDZNormalized[i] = 0; | |
319 | fhDXYvsDZNormalized[i] = 0; | |
129a66bb | 320 | fhNSigmaToVertex[i] = 0; |
ebd60d8e | 321 | } |
129a66bb | 322 | ffDTheoretical = 0; |
ebd60d8e | 323 | |
324 | fhCutStatistics = 0; | |
325 | fhCutCorrelation = 0; | |
326 | } | |
327 | ||
328 | //_____________________________________________________________________________ | |
329 | AliESDtrackCuts &AliESDtrackCuts::operator=(const AliESDtrackCuts &c) | |
330 | { | |
331 | // | |
332 | // Assignment operator | |
333 | // | |
0b75bef2 | 334 | |
ebd60d8e | 335 | if (this != &c) ((AliESDtrackCuts &) c).Copy(*this); |
336 | return *this; | |
337 | } | |
338 | ||
339 | //_____________________________________________________________________________ | |
340 | void AliESDtrackCuts::Copy(TObject &c) const | |
341 | { | |
342 | // | |
343 | // Copy function | |
344 | // | |
345 | ||
346 | AliESDtrackCuts& target = (AliESDtrackCuts &) c; | |
347 | ||
348 | target.Init(); | |
349 | ||
ab2c1f0d | 350 | target.fCutMinNClusterTPC = fCutMinNClusterTPC; |
351 | target.fCutMinNClusterITS = fCutMinNClusterITS; | |
ebd60d8e | 352 | |
ab2c1f0d | 353 | target.fCutMaxChi2PerClusterTPC = fCutMaxChi2PerClusterTPC; |
354 | target.fCutMaxChi2PerClusterITS = fCutMaxChi2PerClusterITS; | |
ebd60d8e | 355 | |
ab2c1f0d | 356 | target.fCutMaxC11 = fCutMaxC11; |
357 | target.fCutMaxC22 = fCutMaxC22; | |
358 | target.fCutMaxC33 = fCutMaxC33; | |
359 | target.fCutMaxC44 = fCutMaxC44; | |
360 | target.fCutMaxC55 = fCutMaxC55; | |
ebd60d8e | 361 | |
ab2c1f0d | 362 | target.fCutAcceptKinkDaughters = fCutAcceptKinkDaughters; |
363 | target.fCutRequireTPCRefit = fCutRequireTPCRefit; | |
364 | target.fCutRequireITSRefit = fCutRequireITSRefit; | |
ebd60d8e | 365 | |
ab2c1f0d | 366 | target.fCutNsigmaToVertex = fCutNsigmaToVertex; |
367 | target.fCutSigmaToVertexRequired = fCutSigmaToVertexRequired; | |
ebd60d8e | 368 | |
369 | target.fPMin = fPMin; | |
370 | target.fPMax = fPMax; | |
371 | target.fPtMin = fPtMin; | |
372 | target.fPtMax = fPtMax; | |
373 | target.fPxMin = fPxMin; | |
374 | target.fPxMax = fPxMax; | |
375 | target.fPyMin = fPyMin; | |
376 | target.fPyMax = fPyMax; | |
377 | target.fPzMin = fPzMin; | |
378 | target.fPzMax = fPzMax; | |
379 | target.fEtaMin = fEtaMin; | |
380 | target.fEtaMax = fEtaMax; | |
381 | target.fRapMin = fRapMin; | |
382 | target.fRapMax = fRapMax; | |
383 | ||
384 | target.fHistogramsOn = fHistogramsOn; | |
385 | ||
386 | for (Int_t i=0; i<2; ++i) | |
387 | { | |
388 | if (fhNClustersITS[i]) target.fhNClustersITS[i] = (TH1F*) fhNClustersITS[i]->Clone(); | |
389 | if (fhNClustersTPC[i]) target.fhNClustersTPC[i] = (TH1F*) fhNClustersTPC[i]->Clone(); | |
390 | ||
391 | if (fhChi2PerClusterITS[i]) target.fhChi2PerClusterITS[i] = (TH1F*) fhChi2PerClusterITS[i]->Clone(); | |
392 | if (fhChi2PerClusterTPC[i]) target.fhChi2PerClusterTPC[i] = (TH1F*) fhChi2PerClusterTPC[i]->Clone(); | |
393 | ||
394 | if (fhC11[i]) target.fhC11[i] = (TH1F*) fhC11[i]->Clone(); | |
395 | if (fhC22[i]) target.fhC22[i] = (TH1F*) fhC22[i]->Clone(); | |
396 | if (fhC33[i]) target.fhC33[i] = (TH1F*) fhC33[i]->Clone(); | |
397 | if (fhC44[i]) target.fhC44[i] = (TH1F*) fhC44[i]->Clone(); | |
398 | if (fhC55[i]) target.fhC55[i] = (TH1F*) fhC55[i]->Clone(); | |
399 | ||
400 | if (fhDXY[i]) target.fhDXY[i] = (TH1F*) fhDXY[i]->Clone(); | |
401 | if (fhDZ[i]) target.fhDZ[i] = (TH1F*) fhDZ[i]->Clone(); | |
402 | if (fhDXYvsDZ[i]) target.fhDXYvsDZ[i] = (TH2F*) fhDXYvsDZ[i]->Clone(); | |
403 | ||
404 | if (fhDXYNormalized[i]) target.fhDXYNormalized[i] = (TH1F*) fhDXYNormalized[i]->Clone(); | |
405 | if (fhDZNormalized[i]) target.fhDZNormalized[i] = (TH1F*) fhDZNormalized[i]->Clone(); | |
406 | if (fhDXYvsDZNormalized[i]) target.fhDXYvsDZNormalized[i] = (TH2F*) fhDXYvsDZNormalized[i]->Clone(); | |
129a66bb | 407 | if (fhNSigmaToVertex[i]) target.fhNSigmaToVertex[i] = (TH1F*) fhNSigmaToVertex[i]->Clone(); |
ebd60d8e | 408 | } |
129a66bb | 409 | if (ffDTheoretical) target.ffDTheoretical = (TF1*) ffDTheoretical->Clone(); |
ebd60d8e | 410 | |
411 | if (fhCutStatistics) target.fhCutStatistics = (TH1F*) fhCutStatistics->Clone(); | |
412 | if (fhCutCorrelation) target.fhCutCorrelation = (TH2F*) fhCutCorrelation->Clone(); | |
0b75bef2 | 413 | |
0b8a2421 | 414 | TNamed::Copy(c); |
0b75bef2 | 415 | } |
416 | ||
927c71e5 | 417 | //_____________________________________________________________________________ |
418 | Long64_t AliESDtrackCuts::Merge(TCollection* list) { | |
419 | // Merge a list of AliESDtrackCuts objects with this (needed for PROOF) | |
420 | // Returns the number of merged objects (including this) | |
421 | ||
422 | if (!list) | |
423 | return 0; | |
424 | ||
425 | if (list->IsEmpty()) | |
426 | return 1; | |
427 | ||
428 | if (!fHistogramsOn) | |
429 | return 0; | |
430 | ||
431 | TIterator* iter = list->MakeIterator(); | |
432 | TObject* obj; | |
433 | ||
434 | ||
435 | // collection of measured and generated histograms | |
436 | Int_t count = 0; | |
437 | while ((obj = iter->Next())) { | |
438 | ||
439 | AliESDtrackCuts* entry = dynamic_cast<AliESDtrackCuts*>(obj); | |
440 | if (entry == 0) | |
441 | continue; | |
442 | ||
443 | if (!entry->fHistogramsOn) | |
444 | continue; | |
445 | ||
446 | for (Int_t i=0; i<2; i++) { | |
447 | ||
448 | fhNClustersITS[i] ->Add(entry->fhNClustersITS[i] ); | |
449 | fhNClustersTPC[i] ->Add(entry->fhNClustersTPC[i] ); | |
450 | ||
451 | fhChi2PerClusterITS[i] ->Add(entry->fhChi2PerClusterITS[i]); | |
452 | fhChi2PerClusterTPC[i] ->Add(entry->fhChi2PerClusterTPC[i]); | |
453 | ||
454 | fhC11[i] ->Add(entry->fhC11[i] ); | |
455 | fhC22[i] ->Add(entry->fhC22[i] ); | |
456 | fhC33[i] ->Add(entry->fhC33[i] ); | |
457 | fhC44[i] ->Add(entry->fhC44[i] ); | |
458 | fhC55[i] ->Add(entry->fhC55[i] ); | |
459 | ||
460 | fhDXY[i] ->Add(entry->fhDXY[i] ); | |
461 | fhDZ[i] ->Add(entry->fhDZ[i] ); | |
462 | fhDXYvsDZ[i] ->Add(entry->fhDXYvsDZ[i] ); | |
463 | ||
464 | fhDXYNormalized[i] ->Add(entry->fhDXYNormalized[i] ); | |
3c4b53f0 | 465 | fhDZNormalized[i] ->Add(entry->fhDZNormalized[i] ); |
927c71e5 | 466 | fhDXYvsDZNormalized[i] ->Add(entry->fhDXYvsDZNormalized[i]); |
129a66bb | 467 | fhNSigmaToVertex[i] ->Add(entry->fhNSigmaToVertex[i]); |
468 | ||
927c71e5 | 469 | } |
470 | ||
471 | fhCutStatistics ->Add(entry->fhCutStatistics); | |
472 | fhCutCorrelation ->Add(entry->fhCutCorrelation); | |
473 | ||
474 | count++; | |
475 | } | |
476 | ||
477 | return count+1; | |
478 | } | |
479 | ||
480 | ||
0b75bef2 | 481 | //____________________________________________________________________ |
2b9019e4 | 482 | Float_t AliESDtrackCuts::GetSigmaToVertex(AliESDtrack* esdTrack) |
483 | { | |
129a66bb | 484 | // Calculates the number of sigma to the vertex. |
2b9019e4 | 485 | |
486 | Float_t b[2]; | |
487 | Float_t bRes[2]; | |
488 | Float_t bCov[3]; | |
489 | esdTrack->GetImpactParameters(b,bCov); | |
490 | if (bCov[0]<=0 || bCov[2]<=0) { | |
491 | AliDebug(1, "Estimated b resolution lower or equal zero!"); | |
492 | bCov[0]=0; bCov[2]=0; | |
493 | } | |
494 | bRes[0] = TMath::Sqrt(bCov[0]); | |
495 | bRes[1] = TMath::Sqrt(bCov[2]); | |
496 | ||
497 | // ----------------------------------- | |
498 | // How to get to a n-sigma cut? | |
499 | // | |
500 | // The accumulated statistics from 0 to d is | |
501 | // | |
502 | // -> Erf(d/Sqrt(2)) for a 1-dim gauss (d = n_sigma) | |
503 | // -> 1 - Exp(-d**2) for a 2-dim gauss (d*d = dx*dx + dy*dy != n_sigma) | |
504 | // | |
505 | // It means that for a 2-dim gauss: n_sigma(d) = Sqrt(2)*ErfInv(1 - Exp((-x**2)/2) | |
506 | // Can this be expressed in a different way? | |
2b9019e4 | 507 | |
508 | if (bRes[0] == 0 || bRes[1] ==0) | |
509 | return -1; | |
510 | ||
511 | Float_t d = TMath::Sqrt(TMath::Power(b[0]/bRes[0],2) + TMath::Power(b[1]/bRes[1],2)); | |
512 | ||
513 | // stupid rounding problem screws up everything: | |
514 | // if d is too big, TMath::Exp(...) gets 0, and TMath::ErfInverse(1) that should be infinite, gets 0 :( | |
515 | if (TMath::Exp(-d * d / 2) < 1e-10) | |
516 | return 1000; | |
517 | ||
518 | d = TMath::ErfInverse(1 - TMath::Exp(-d * d / 2)) * TMath::Sqrt(2); | |
519 | return d; | |
520 | } | |
521 | ||
5c495d37 | 522 | void AliESDtrackCuts::EnableNeededBranches(TTree* tree) |
523 | { | |
524 | // enables the branches needed by AcceptTrack, for a list see comment of AcceptTrack | |
525 | ||
526 | tree->SetBranchStatus("fTracks.fFlags", 1); | |
527 | tree->SetBranchStatus("fTracks.fITSncls", 1); | |
528 | tree->SetBranchStatus("fTracks.fTPCncls", 1); | |
529 | tree->SetBranchStatus("fTracks.fITSchi2", 1); | |
530 | tree->SetBranchStatus("fTracks.fTPCchi2", 1); | |
531 | tree->SetBranchStatus("fTracks.fC*", 1); | |
532 | tree->SetBranchStatus("fTracks.fD", 1); | |
533 | tree->SetBranchStatus("fTracks.fZ", 1); | |
534 | tree->SetBranchStatus("fTracks.fCdd", 1); | |
535 | tree->SetBranchStatus("fTracks.fCdz", 1); | |
536 | tree->SetBranchStatus("fTracks.fCzz", 1); | |
537 | tree->SetBranchStatus("fTracks.fP*", 1); | |
538 | tree->SetBranchStatus("fTracks.fR*", 1); | |
539 | tree->SetBranchStatus("fTracks.fKinkIndexes*", 1); | |
540 | } | |
541 | ||
2b9019e4 | 542 | //____________________________________________________________________ |
543 | Bool_t | |
0b75bef2 | 544 | AliESDtrackCuts::AcceptTrack(AliESDtrack* esdTrack) { |
545 | // | |
546 | // figure out if the tracks survives all the track cuts defined | |
547 | // | |
ab2c1f0d | 548 | // the different quality parameter and kinematic values are first |
549 | // retrieved from the track. then it is found out what cuts the | |
550 | // track did not survive and finally the cuts are imposed. | |
0b75bef2 | 551 | |
5c495d37 | 552 | // this function needs the following branches: |
553 | // fTracks.fFlags | |
554 | // fTracks.fITSncls | |
555 | // fTracks.fTPCncls | |
556 | // fTracks.fITSchi2 | |
557 | // fTracks.fTPCchi2 | |
558 | // fTracks.fC //GetExternalCovariance | |
559 | // fTracks.fD //GetImpactParameters | |
560 | // fTracks.fZ //GetImpactParameters | |
561 | // fTracks.fCdd //GetImpactParameters | |
562 | // fTracks.fCdz //GetImpactParameters | |
563 | // fTracks.fCzz //GetImpactParameters | |
564 | // fTracks.fP //GetPxPyPz | |
565 | // fTracks.fR //GetMass | |
566 | // fTracks.fP //GetMass | |
567 | // fTracks.fKinkIndexes | |
1ae6c515 | 568 | |
0b75bef2 | 569 | UInt_t status = esdTrack->GetStatus(); |
ebd60d8e | 570 | |
571 | // dummy array | |
572 | Int_t fIdxInt[200]; | |
573 | ||
0b75bef2 | 574 | // getting quality parameters from the ESD track |
575 | Int_t nClustersITS = esdTrack->GetITSclusters(fIdxInt); | |
576 | Int_t nClustersTPC = esdTrack->GetTPCclusters(fIdxInt); | |
577 | ||
1ae6c515 | 578 | |
579 | ||
0b75bef2 | 580 | Float_t chi2PerClusterITS = -1; |
581 | Float_t chi2PerClusterTPC = -1; | |
582 | if (nClustersITS!=0) | |
583 | chi2PerClusterITS = esdTrack->GetITSchi2()/Float_t(nClustersITS); | |
584 | if (nClustersTPC!=0) | |
5c495d37 | 585 | chi2PerClusterTPC = esdTrack->GetTPCchi2()/Float_t(nClustersTPC); |
0b75bef2 | 586 | |
587 | Double_t extCov[15]; | |
ebd60d8e | 588 | esdTrack->GetExternalCovariance(extCov); |
0b75bef2 | 589 | |
590 | // getting the track to vertex parameters | |
2b9019e4 | 591 | Float_t nSigmaToVertex = GetSigmaToVertex(esdTrack); |
0b75bef2 | 592 | |
2b9019e4 | 593 | // getting the kinematic variables of the track |
0b75bef2 | 594 | // (assuming the mass is known) |
595 | Double_t p[3]; | |
596 | esdTrack->GetPxPyPz(p); | |
597 | Float_t momentum = TMath::Sqrt(TMath::Power(p[0],2) + TMath::Power(p[1],2) + TMath::Power(p[2],2)); | |
598 | Float_t pt = TMath::Sqrt(TMath::Power(p[0],2) + TMath::Power(p[1],2)); | |
599 | Float_t energy = TMath::Sqrt(TMath::Power(esdTrack->GetMass(),2) + TMath::Power(momentum,2)); | |
600 | ||
1ae6c515 | 601 | |
0b75bef2 | 602 | //y-eta related calculations |
603 | Float_t eta = -100.; | |
604 | Float_t y = -100.; | |
605 | if((momentum != TMath::Abs(p[2]))&&(momentum != 0)) | |
606 | eta = 0.5*TMath::Log((momentum + p[2])/(momentum - p[2])); | |
607 | if((energy != TMath::Abs(p[2]))&&(momentum != 0)) | |
608 | y = 0.5*TMath::Log((energy + p[2])/(energy - p[2])); | |
609 | ||
610 | ||
611 | //######################################################################## | |
612 | // cut the track? | |
613 | ||
ebd60d8e | 614 | Bool_t cuts[kNCuts]; |
615 | for (Int_t i=0; i<kNCuts; i++) cuts[i]=kFALSE; | |
0b75bef2 | 616 | |
617 | // track quality cuts | |
ab2c1f0d | 618 | if (fCutRequireTPCRefit && (status&AliESDtrack::kTPCrefit)==0) |
0b75bef2 | 619 | cuts[0]=kTRUE; |
ab2c1f0d | 620 | if (fCutRequireITSRefit && (status&AliESDtrack::kITSrefit)==0) |
0b75bef2 | 621 | cuts[1]=kTRUE; |
2b9019e4 | 622 | if (nClustersTPC<fCutMinNClusterTPC) |
0b75bef2 | 623 | cuts[2]=kTRUE; |
ab2c1f0d | 624 | if (nClustersITS<fCutMinNClusterITS) |
0b75bef2 | 625 | cuts[3]=kTRUE; |
ab2c1f0d | 626 | if (chi2PerClusterTPC>fCutMaxChi2PerClusterTPC) |
0b75bef2 | 627 | cuts[4]=kTRUE; |
ab2c1f0d | 628 | if (chi2PerClusterITS>fCutMaxChi2PerClusterITS) |
0b75bef2 | 629 | cuts[5]=kTRUE; |
ab2c1f0d | 630 | if (extCov[0] > fCutMaxC11) |
0b75bef2 | 631 | cuts[6]=kTRUE; |
ab2c1f0d | 632 | if (extCov[2] > fCutMaxC22) |
0b75bef2 | 633 | cuts[7]=kTRUE; |
ab2c1f0d | 634 | if (extCov[5] > fCutMaxC33) |
0b75bef2 | 635 | cuts[8]=kTRUE; |
ab2c1f0d | 636 | if (extCov[9] > fCutMaxC44) |
0b75bef2 | 637 | cuts[9]=kTRUE; |
ab2c1f0d | 638 | if (extCov[14] > fCutMaxC55) |
0b75bef2 | 639 | cuts[10]=kTRUE; |
2b9019e4 | 640 | if (nSigmaToVertex > fCutNsigmaToVertex) |
0b75bef2 | 641 | cuts[11] = kTRUE; |
642 | // if n sigma could not be calculated | |
10ebe68d | 643 | if (nSigmaToVertex<0 && fCutSigmaToVertexRequired) |
0b75bef2 | 644 | cuts[12]=kTRUE; |
5c495d37 | 645 | if (!fCutAcceptKinkDaughters && esdTrack->GetKinkIndex(0)>0) |
0b75bef2 | 646 | cuts[13]=kTRUE; |
647 | // track kinematics cut | |
648 | if((momentum < fPMin) || (momentum > fPMax)) | |
649 | cuts[14]=kTRUE; | |
650 | if((pt < fPtMin) || (pt > fPtMax)) | |
651 | cuts[15] = kTRUE; | |
652 | if((p[0] < fPxMin) || (p[0] > fPxMax)) | |
653 | cuts[16] = kTRUE; | |
654 | if((p[1] < fPyMin) || (p[1] > fPyMax)) | |
655 | cuts[17] = kTRUE; | |
2b9019e4 | 656 | if((p[2] < fPzMin) || (p[2] > fPzMax)) |
0b75bef2 | 657 | cuts[18] = kTRUE; |
658 | if((eta < fEtaMin) || (eta > fEtaMax)) | |
659 | cuts[19] = kTRUE; | |
660 | if((y < fRapMin) || (y > fRapMax)) | |
661 | cuts[20] = kTRUE; | |
662 | ||
663 | Bool_t cut=kFALSE; | |
ebd60d8e | 664 | for (Int_t i=0; i<kNCuts; i++) |
0b75bef2 | 665 | if (cuts[i]) cut = kTRUE; |
666 | ||
667 | //######################################################################## | |
668 | // filling histograms | |
669 | if (fHistogramsOn) { | |
f58f1a93 | 670 | fhCutStatistics->Fill(fhCutStatistics->GetBinCenter(fhCutStatistics->GetXaxis()->FindBin("n tracks"))); |
0b75bef2 | 671 | |
672 | if (cut) | |
f58f1a93 | 673 | fhCutStatistics->Fill(fhCutStatistics->GetBinCenter(fhCutStatistics->GetXaxis()->FindBin("n cut tracks"))); |
0b75bef2 | 674 | |
ebd60d8e | 675 | for (Int_t i=0; i<kNCuts; i++) { |
0b75bef2 | 676 | if (cuts[i]) |
ab2c1f0d | 677 | fhCutStatistics->Fill(fhCutStatistics->GetBinCenter(fhCutStatistics->GetXaxis()->FindBin(fgkCutNames[i]))); |
0b75bef2 | 678 | |
ebd60d8e | 679 | for (Int_t j=i; j<kNCuts; j++) { |
0b75bef2 | 680 | if (cuts[i] && cuts[j]) { |
ab2c1f0d | 681 | Float_t x = fhCutCorrelation->GetXaxis()->GetBinCenter(fhCutCorrelation->GetXaxis()->FindBin(fgkCutNames[i])); |
682 | Float_t y = fhCutCorrelation->GetYaxis()->GetBinCenter(fhCutCorrelation->GetYaxis()->FindBin(fgkCutNames[j])); | |
f58f1a93 | 683 | fhCutCorrelation->Fill(x,y); |
0b75bef2 | 684 | } |
685 | } | |
686 | } | |
687 | ||
688 | ||
2b9019e4 | 689 | fhNClustersITS[0]->Fill(nClustersITS); |
690 | fhNClustersTPC[0]->Fill(nClustersTPC); | |
f58f1a93 | 691 | fhChi2PerClusterITS[0]->Fill(chi2PerClusterITS); |
2b9019e4 | 692 | fhChi2PerClusterTPC[0]->Fill(chi2PerClusterTPC); |
693 | ||
694 | fhC11[0]->Fill(extCov[0]); | |
695 | fhC22[0]->Fill(extCov[2]); | |
696 | fhC33[0]->Fill(extCov[5]); | |
697 | fhC44[0]->Fill(extCov[9]); | |
698 | fhC55[0]->Fill(extCov[14]); | |
699 | ||
700 | Float_t b[2]; | |
701 | Float_t bRes[2]; | |
702 | Float_t bCov[3]; | |
703 | esdTrack->GetImpactParameters(b,bCov); | |
704 | if (bCov[0]<=0 || bCov[2]<=0) { | |
705 | AliDebug(1, "Estimated b resolution lower or equal zero!"); | |
706 | bCov[0]=0; bCov[2]=0; | |
707 | } | |
708 | bRes[0] = TMath::Sqrt(bCov[0]); | |
709 | bRes[1] = TMath::Sqrt(bCov[2]); | |
710 | ||
711 | fhDZ[0]->Fill(b[1]); | |
712 | fhDXY[0]->Fill(b[0]); | |
f58f1a93 | 713 | fhDXYvsDZ[0]->Fill(b[1],b[0]); |
0b75bef2 | 714 | |
715 | if (bRes[0]!=0 && bRes[1]!=0) { | |
10ebe68d | 716 | fhDZNormalized[0]->Fill(b[1]/bRes[1]); |
2b9019e4 | 717 | fhDXYNormalized[0]->Fill(b[0]/bRes[0]); |
f58f1a93 | 718 | fhDXYvsDZNormalized[0]->Fill(b[1]/bRes[1], b[0]/bRes[0]); |
129a66bb | 719 | fhNSigmaToVertex[0]->Fill(nSigmaToVertex); |
0b75bef2 | 720 | } |
721 | } | |
722 | ||
2b9019e4 | 723 | //######################################################################## |
0b75bef2 | 724 | // cut the track! |
725 | if (cut) return kFALSE; | |
726 | ||
2b9019e4 | 727 | //######################################################################## |
0b75bef2 | 728 | // filling histograms after cut |
729 | if (fHistogramsOn) { | |
2b9019e4 | 730 | fhNClustersITS[1]->Fill(nClustersITS); |
731 | fhNClustersTPC[1]->Fill(nClustersTPC); | |
f58f1a93 | 732 | fhChi2PerClusterITS[1]->Fill(chi2PerClusterITS); |
2b9019e4 | 733 | fhChi2PerClusterTPC[1]->Fill(chi2PerClusterTPC); |
734 | ||
735 | fhC11[1]->Fill(extCov[0]); | |
736 | fhC22[1]->Fill(extCov[2]); | |
10ebe68d | 737 | fhC33[1]->Fill(extCov[5]); |
2b9019e4 | 738 | fhC44[1]->Fill(extCov[9]); |
739 | fhC55[1]->Fill(extCov[14]); | |
740 | ||
741 | Float_t b[2]; | |
742 | Float_t bRes[2]; | |
743 | Float_t bCov[3]; | |
744 | esdTrack->GetImpactParameters(b,bCov); | |
745 | if (bCov[0]<=0 || bCov[2]<=0) { | |
746 | AliDebug(1, "Estimated b resolution lower or equal zero!"); | |
747 | bCov[0]=0; bCov[2]=0; | |
748 | } | |
749 | bRes[0] = TMath::Sqrt(bCov[0]); | |
750 | bRes[1] = TMath::Sqrt(bCov[2]); | |
751 | ||
752 | fhDZ[1]->Fill(b[1]); | |
753 | fhDXY[1]->Fill(b[0]); | |
f58f1a93 | 754 | fhDXYvsDZ[1]->Fill(b[1],b[0]); |
0b75bef2 | 755 | |
10ebe68d | 756 | if (bRes[0]!=0 && bRes[1]!=0) |
757 | { | |
758 | fhDZNormalized[1]->Fill(b[1]/bRes[1]); | |
759 | fhDXYNormalized[1]->Fill(b[0]/bRes[0]); | |
760 | fhDXYvsDZNormalized[1]->Fill(b[1]/bRes[1], b[0]/bRes[0]); | |
129a66bb | 761 | fhNSigmaToVertex[1]->Fill(nSigmaToVertex); |
10ebe68d | 762 | } |
0b75bef2 | 763 | } |
2b9019e4 | 764 | |
0b75bef2 | 765 | return kTRUE; |
766 | } | |
767 | ||
768 | //____________________________________________________________________ | |
769 | TObjArray* | |
ebd60d8e | 770 | AliESDtrackCuts::GetAcceptedTracks(AliESD* esd) |
771 | { | |
772 | // | |
0b75bef2 | 773 | // returns an array of all tracks that pass the cuts |
ebd60d8e | 774 | // |
775 | ||
776 | TObjArray* acceptedTracks = new TObjArray(); | |
c5858666 | 777 | |
0b75bef2 | 778 | // loop over esd tracks |
779 | for (Int_t iTrack = 0; iTrack < esd->GetNumberOfTracks(); iTrack++) { | |
780 | AliESDtrack* track = esd->GetTrack(iTrack); | |
c5858666 | 781 | |
ebd60d8e | 782 | if (AcceptTrack(track)) |
783 | acceptedTracks->Add(track); | |
0b75bef2 | 784 | } |
785 | ||
ebd60d8e | 786 | return acceptedTracks; |
0b75bef2 | 787 | } |
788 | ||
c5858666 | 789 | //____________________________________________________________________ |
790 | Int_t | |
791 | AliESDtrackCuts::CountAcceptedTracks(AliESD* esd) | |
792 | { | |
793 | // | |
794 | // returns an the number of tracks that pass the cuts | |
795 | // | |
796 | ||
797 | Int_t count = 0; | |
798 | ||
799 | // loop over esd tracks | |
800 | for (Int_t iTrack = 0; iTrack < esd->GetNumberOfTracks(); iTrack++) { | |
801 | AliESDtrack* track = esd->GetTrack(iTrack); | |
802 | ||
803 | if (AcceptTrack(track)) | |
804 | count++; | |
805 | } | |
806 | ||
807 | return count; | |
808 | } | |
809 | ||
0b75bef2 | 810 | //____________________________________________________________________ |
f58f1a93 | 811 | void AliESDtrackCuts::DefineHistograms(Int_t color) { |
ab2c1f0d | 812 | // |
813 | // diagnostics histograms are defined | |
814 | // | |
0b75bef2 | 815 | |
f58f1a93 | 816 | fHistogramsOn=kTRUE; |
3c4b53f0 | 817 | |
818 | Bool_t oldStatus = TH1::AddDirectoryStatus(); | |
819 | TH1::AddDirectory(kFALSE); | |
820 | ||
ab2c1f0d | 821 | //################################################################################### |
f58f1a93 | 822 | // defining histograms |
0b75bef2 | 823 | |
ebd60d8e | 824 | fhCutStatistics = new TH1F("cut_statistics","cut statistics",kNCuts+4,-0.5,kNCuts+3.5); |
0b75bef2 | 825 | |
f58f1a93 | 826 | fhCutStatistics->GetXaxis()->SetBinLabel(1,"n tracks"); |
827 | fhCutStatistics->GetXaxis()->SetBinLabel(2,"n cut tracks"); | |
0b75bef2 | 828 | |
ebd60d8e | 829 | fhCutCorrelation = new TH2F("cut_correlation","cut correlation",kNCuts,-0.5,kNCuts-0.5,kNCuts,-0.5,kNCuts-0.5);; |
0b75bef2 | 830 | |
ebd60d8e | 831 | for (Int_t i=0; i<kNCuts; i++) { |
ab2c1f0d | 832 | fhCutStatistics->GetXaxis()->SetBinLabel(i+4,fgkCutNames[i]); |
833 | fhCutCorrelation->GetXaxis()->SetBinLabel(i+1,fgkCutNames[i]); | |
834 | fhCutCorrelation->GetYaxis()->SetBinLabel(i+1,fgkCutNames[i]); | |
f58f1a93 | 835 | } |
836 | ||
837 | fhCutStatistics ->SetLineColor(color); | |
838 | fhCutCorrelation ->SetLineColor(color); | |
839 | fhCutStatistics ->SetLineWidth(2); | |
840 | fhCutCorrelation ->SetLineWidth(2); | |
841 | ||
0b75bef2 | 842 | Char_t str[256]; |
843 | for (Int_t i=0; i<2; i++) { | |
844 | if (i==0) sprintf(str," "); | |
845 | else sprintf(str,"_cut"); | |
846 | ||
3c4b53f0 | 847 | fhNClustersITS[i] = new TH1F(Form("nClustersITS%s",str) ,"",8,-0.5,7.5); |
848 | fhNClustersTPC[i] = new TH1F(Form("nClustersTPC%s",str) ,"",165,-0.5,164.5); | |
ebd60d8e | 849 | fhChi2PerClusterITS[i] = new TH1F(Form("chi2PerClusterITS%s",str),"",500,0,10); |
850 | fhChi2PerClusterTPC[i] = new TH1F(Form("chi2PerClusterTPC%s",str),"",500,0,10); | |
851 | ||
3c4b53f0 | 852 | fhC11[i] = new TH1F(Form("covMatrixDiagonal11%s",str),"",2000,0,20); |
d8594d03 | 853 | fhC22[i] = new TH1F(Form("covMatrixDiagonal22%s",str),"",2000,0,20); |
854 | fhC33[i] = new TH1F(Form("covMatrixDiagonal33%s",str),"",1000,0,1); | |
ebd60d8e | 855 | fhC44[i] = new TH1F(Form("covMatrixDiagonal44%s",str),"",1000,0,5); |
856 | fhC55[i] = new TH1F(Form("covMatrixDiagonal55%s",str),"",1000,0,5); | |
857 | ||
3c4b53f0 | 858 | fhDXY[i] = new TH1F(Form("dXY%s",str) ,"",500,-10,10); |
859 | fhDZ[i] = new TH1F(Form("dZ%s",str) ,"",500,-10,10); | |
ebd60d8e | 860 | fhDXYvsDZ[i] = new TH2F(Form("dXYvsDZ%s",str),"",200,-10,10,200,-10,10); |
861 | ||
3c4b53f0 | 862 | fhDXYNormalized[i] = new TH1F(Form("dXYNormalized%s",str) ,"",500,-10,10); |
863 | fhDZNormalized[i] = new TH1F(Form("dZNormalized%s",str) ,"",500,-10,10); | |
ebd60d8e | 864 | fhDXYvsDZNormalized[i] = new TH2F(Form("dXYvsDZNormalized%s",str),"",200,-10,10,200,-10,10); |
865 | ||
129a66bb | 866 | fhNSigmaToVertex[i] = new TH1F(Form("nSigmaToVertex%s",str),"",500,0,50); |
ebd60d8e | 867 | |
3c4b53f0 | 868 | fhNClustersITS[i]->SetTitle("n ITS clusters"); |
869 | fhNClustersTPC[i]->SetTitle("n TPC clusters"); | |
870 | fhChi2PerClusterITS[i]->SetTitle("#Chi^{2} per ITS cluster"); | |
871 | fhChi2PerClusterTPC[i]->SetTitle("#Chi^{2} per TPC cluster"); | |
ebd60d8e | 872 | |
3c4b53f0 | 873 | fhC11[i]->SetTitle("cov 11 : #sigma_{y}^{2} [cm^{2}]"); |
874 | fhC22[i]->SetTitle("cov 22 : #sigma_{z}^{2} [cm^{2}]"); | |
875 | fhC33[i]->SetTitle("cov 33 : #sigma_{sin(#phi)}^{2}"); | |
876 | fhC44[i]->SetTitle("cov 44 : #sigma_{tan(#theta_{dip})}^{2}"); | |
877 | fhC55[i]->SetTitle("cov 55 : #sigma_{1/p_{T}}^{2} [(c/GeV)^2]"); | |
ebd60d8e | 878 | |
3c4b53f0 | 879 | fhDXY[i]->SetTitle("transverse impact parameter"); |
880 | fhDZ[i]->SetTitle("longitudinal impact parameter"); | |
881 | fhDXYvsDZ[i]->SetTitle("longitudinal impact parameter"); | |
ebd60d8e | 882 | fhDXYvsDZ[i]->SetYTitle("transverse impact parameter"); |
883 | ||
3c4b53f0 | 884 | fhDXYNormalized[i]->SetTitle("normalized trans impact par"); |
885 | fhDZNormalized[i]->SetTitle("normalized long impact par"); | |
886 | fhDXYvsDZNormalized[i]->SetTitle("normalized long impact par"); | |
ebd60d8e | 887 | fhDXYvsDZNormalized[i]->SetYTitle("normalized trans impact par"); |
3c4b53f0 | 888 | fhNSigmaToVertex[i]->SetTitle("n #sigma to vertex"); |
ebd60d8e | 889 | |
890 | fhNClustersITS[i]->SetLineColor(color); fhNClustersITS[i]->SetLineWidth(2); | |
891 | fhNClustersTPC[i]->SetLineColor(color); fhNClustersTPC[i]->SetLineWidth(2); | |
892 | fhChi2PerClusterITS[i]->SetLineColor(color); fhChi2PerClusterITS[i]->SetLineWidth(2); | |
893 | fhChi2PerClusterTPC[i]->SetLineColor(color); fhChi2PerClusterTPC[i]->SetLineWidth(2); | |
894 | ||
895 | fhC11[i]->SetLineColor(color); fhC11[i]->SetLineWidth(2); | |
896 | fhC22[i]->SetLineColor(color); fhC22[i]->SetLineWidth(2); | |
897 | fhC33[i]->SetLineColor(color); fhC33[i]->SetLineWidth(2); | |
898 | fhC44[i]->SetLineColor(color); fhC44[i]->SetLineWidth(2); | |
899 | fhC55[i]->SetLineColor(color); fhC55[i]->SetLineWidth(2); | |
900 | ||
901 | fhDXY[i]->SetLineColor(color); fhDXY[i]->SetLineWidth(2); | |
902 | fhDZ[i]->SetLineColor(color); fhDZ[i]->SetLineWidth(2); | |
903 | ||
904 | fhDXYNormalized[i]->SetLineColor(color); fhDXYNormalized[i]->SetLineWidth(2); | |
129a66bb | 905 | fhDZNormalized[i]->SetLineColor(color); fhDZNormalized[i]->SetLineWidth(2); |
906 | fhNSigmaToVertex[i]->SetLineColor(color); fhNSigmaToVertex[i]->SetLineWidth(2); | |
0b75bef2 | 907 | } |
129a66bb | 908 | |
909 | // The number of sigmas to the vertex is per definition gaussian | |
910 | ffDTheoretical = new TF1("nSigmaToVertexTheoretical","([0]/2.506628274)*exp(-(x**2)/2)",0,50); | |
911 | ffDTheoretical->SetParameter(0,1); | |
3c4b53f0 | 912 | |
913 | TH1::AddDirectory(oldStatus); | |
0b75bef2 | 914 | } |
915 | ||
916 | //____________________________________________________________________ | |
3c4b53f0 | 917 | Bool_t AliESDtrackCuts::LoadHistograms(const Char_t* dir) |
918 | { | |
ab2c1f0d | 919 | // |
3c4b53f0 | 920 | // loads the histograms from a file |
921 | // if dir is empty a directory with the name of this object is taken (like in SaveHistogram) | |
ab2c1f0d | 922 | // |
0b75bef2 | 923 | |
3c4b53f0 | 924 | if (!dir) |
925 | dir = GetName(); | |
926 | ||
927 | if (!gDirectory->cd(dir)) | |
928 | return kFALSE; | |
929 | ||
930 | ffDTheoretical = dynamic_cast<TF1*> (gDirectory->Get("nSigmaToVertexTheory")); | |
931 | ||
932 | fhCutStatistics = dynamic_cast<TH1F*> (gDirectory->Get("cut_statistics")); | |
933 | fhCutCorrelation = dynamic_cast<TH2F*> (gDirectory->Get("cut_correlation")); | |
934 | ||
935 | Char_t str[5]; | |
936 | for (Int_t i=0; i<2; i++) { | |
937 | if (i==0) | |
938 | { | |
939 | gDirectory->cd("before_cuts"); | |
940 | str[0] = 0; | |
941 | } | |
942 | else | |
943 | { | |
944 | gDirectory->cd("after_cuts"); | |
945 | sprintf(str,"_cut"); | |
946 | } | |
947 | ||
948 | fhNClustersITS[i] = dynamic_cast<TH1F*> (gDirectory->Get(Form("nClustersITS%s",str) )); | |
949 | fhNClustersTPC[i] = dynamic_cast<TH1F*> (gDirectory->Get(Form("nClustersTPC%s",str) )); | |
950 | fhChi2PerClusterITS[i] = dynamic_cast<TH1F*> (gDirectory->Get(Form("chi2PerClusterITS%s",str))); | |
951 | fhChi2PerClusterTPC[i] = dynamic_cast<TH1F*> (gDirectory->Get(Form("chi2PerClusterTPC%s",str))); | |
952 | ||
953 | fhC11[i] = dynamic_cast<TH1F*> (gDirectory->Get(Form("covMatrixDiagonal11%s",str))); | |
954 | fhC22[i] = dynamic_cast<TH1F*> (gDirectory->Get(Form("covMatrixDiagonal22%s",str))); | |
955 | fhC33[i] = dynamic_cast<TH1F*> (gDirectory->Get(Form("covMatrixDiagonal33%s",str))); | |
956 | fhC44[i] = dynamic_cast<TH1F*> (gDirectory->Get(Form("covMatrixDiagonal44%s",str))); | |
957 | fhC55[i] = dynamic_cast<TH1F*> (gDirectory->Get(Form("covMatrixDiagonal55%s",str))); | |
958 | ||
959 | fhDXY[i] = dynamic_cast<TH1F*> (gDirectory->Get(Form("dXY%s",str) )); | |
960 | fhDZ[i] = dynamic_cast<TH1F*> (gDirectory->Get(Form("dZ%s",str) )); | |
961 | fhDXYvsDZ[i] = dynamic_cast<TH2F*> (gDirectory->Get(Form("dXYvsDZ%s",str))); | |
962 | ||
963 | fhDXYNormalized[i] = dynamic_cast<TH1F*> (gDirectory->Get(Form("dXYNormalized%s",str) )); | |
964 | fhDZNormalized[i] = dynamic_cast<TH1F*> (gDirectory->Get(Form("dZNormalized%s",str) )); | |
965 | fhDXYvsDZNormalized[i] = dynamic_cast<TH2F*> (gDirectory->Get(Form("dXYvsDZNormalized%s",str))); | |
966 | ||
967 | fhNSigmaToVertex[i] = dynamic_cast<TH1F*> (gDirectory->Get(Form("nSigmaToVertex%s",str))); | |
968 | ||
969 | // TODO only temporary | |
970 | /*fhNClustersITS[i]->SetTitle("n ITS clusters"); | |
971 | fhNClustersTPC[i]->SetTitle("n TPC clusters"); | |
972 | fhChi2PerClusterITS[i]->SetTitle("#Chi^{2} per ITS cluster"); | |
973 | fhChi2PerClusterTPC[i]->SetTitle("#Chi^{2} per TPC cluster"); | |
974 | ||
975 | fhC11[i]->SetTitle("cov 11 : #sigma_{y}^{2} [cm^{2}]"); | |
976 | fhC22[i]->SetTitle("cov 22 : #sigma_{z}^{2} [cm^{2}]"); | |
977 | fhC33[i]->SetTitle("cov 33 : #sigma_{sin(#phi)}^{2}"); | |
978 | fhC44[i]->SetTitle("cov 44 : #sigma_{tan(#theta_{dip})}^{2}"); | |
979 | fhC55[i]->SetTitle("cov 55 : #sigma_{1/p_{T}}^{2} [(c/GeV)^2]"); | |
980 | ||
981 | fhDXY[i]->SetTitle("transverse impact parameter"); | |
982 | fhDZ[i]->SetTitle("longitudinal impact parameter"); | |
983 | fhDXYvsDZ[i]->SetTitle("longitudinal impact parameter"); | |
984 | fhDXYvsDZ[i]->SetYTitle("transverse impact parameter"); | |
0b75bef2 | 985 | |
3c4b53f0 | 986 | fhDXYNormalized[i]->SetTitle("normalized trans impact par"); |
987 | fhDZNormalized[i]->SetTitle("normalized long impact par"); | |
988 | fhDXYvsDZNormalized[i]->SetTitle("normalized long impact par"); | |
989 | fhDXYvsDZNormalized[i]->SetYTitle("normalized trans impact par"); | |
990 | fhNSigmaToVertex[i]->SetTitle("n #sigma to vertex");*/ | |
991 | ||
992 | gDirectory->cd("../"); | |
993 | } | |
994 | ||
995 | gDirectory->cd(".."); | |
996 | ||
997 | return kTRUE; | |
998 | } | |
0b75bef2 | 999 | |
1000 | //____________________________________________________________________ | |
3c4b53f0 | 1001 | void AliESDtrackCuts::SaveHistograms(const Char_t* dir) { |
1002 | // | |
ab2c1f0d | 1003 | // saves the histograms in a directory (dir) |
3c4b53f0 | 1004 | // |
ab2c1f0d | 1005 | |
0b75bef2 | 1006 | if (!fHistogramsOn) { |
1007 | AliDebug(0, "Histograms not on - cannot save histograms!!!"); | |
1008 | return; | |
1009 | } | |
1010 | ||
3c4b53f0 | 1011 | if (!dir) |
1012 | dir = GetName(); | |
1013 | ||
0b75bef2 | 1014 | gDirectory->mkdir(dir); |
1015 | gDirectory->cd(dir); | |
1016 | ||
1017 | gDirectory->mkdir("before_cuts"); | |
1018 | gDirectory->mkdir("after_cuts"); | |
1019 | ||
129a66bb | 1020 | // a factor of 2 is needed since n sigma is positive |
1021 | ffDTheoretical->SetParameter(0,2*fhNSigmaToVertex[0]->Integral("width")); | |
1022 | ffDTheoretical->Write("nSigmaToVertexTheory"); | |
1023 | ||
f58f1a93 | 1024 | fhCutStatistics->Write(); |
1025 | fhCutCorrelation->Write(); | |
0b75bef2 | 1026 | |
1027 | for (Int_t i=0; i<2; i++) { | |
1028 | if (i==0) | |
1029 | gDirectory->cd("before_cuts"); | |
1030 | else | |
1031 | gDirectory->cd("after_cuts"); | |
3c4b53f0 | 1032 | |
f58f1a93 | 1033 | fhNClustersITS[i] ->Write(); |
1034 | fhNClustersTPC[i] ->Write(); | |
1035 | fhChi2PerClusterITS[i] ->Write(); | |
1036 | fhChi2PerClusterTPC[i] ->Write(); | |
3c4b53f0 | 1037 | |
f58f1a93 | 1038 | fhC11[i] ->Write(); |
1039 | fhC22[i] ->Write(); | |
1040 | fhC33[i] ->Write(); | |
1041 | fhC44[i] ->Write(); | |
1042 | fhC55[i] ->Write(); | |
1043 | ||
1044 | fhDXY[i] ->Write(); | |
1045 | fhDZ[i] ->Write(); | |
1046 | fhDXYvsDZ[i] ->Write(); | |
3c4b53f0 | 1047 | |
f58f1a93 | 1048 | fhDXYNormalized[i] ->Write(); |
1049 | fhDZNormalized[i] ->Write(); | |
1050 | fhDXYvsDZNormalized[i] ->Write(); | |
129a66bb | 1051 | fhNSigmaToVertex[i] ->Write(); |
0b75bef2 | 1052 | |
1053 | gDirectory->cd("../"); | |
1054 | } | |
1055 | ||
1056 | gDirectory->cd("../"); | |
1057 | } | |
1058 | ||
3c4b53f0 | 1059 | //____________________________________________________________________ |
1060 | void AliESDtrackCuts::DrawHistograms() | |
1061 | { | |
1062 | // draws some histograms | |
1063 | ||
1064 | TCanvas* canvas1 = new TCanvas(Form("%s_1", GetName()), "Track Quality Results1", 800, 800); | |
1065 | canvas1->Divide(2, 2); | |
1066 | ||
1067 | canvas1->cd(1); | |
1068 | fhNClustersTPC[0]->SetStats(kFALSE); | |
1069 | fhNClustersTPC[0]->Draw(); | |
1070 | ||
1071 | canvas1->cd(2); | |
1072 | fhChi2PerClusterTPC[0]->SetStats(kFALSE); | |
1073 | fhChi2PerClusterTPC[0]->Draw(); | |
1074 | ||
1075 | canvas1->cd(3); | |
1076 | fhNSigmaToVertex[0]->SetStats(kFALSE); | |
1077 | fhNSigmaToVertex[0]->GetXaxis()->SetRangeUser(0, 10); | |
1078 | fhNSigmaToVertex[0]->Draw(); | |
1079 | ||
1080 | canvas1->SaveAs(Form("%s_%s.gif", GetName(), canvas1->GetName())); | |
1081 | ||
1082 | TCanvas* canvas2 = new TCanvas(Form("%s_2", GetName()), "Track Quality Results2", 1200, 800); | |
1083 | canvas2->Divide(3, 2); | |
1084 | ||
1085 | canvas2->cd(1); | |
1086 | fhC11[0]->SetStats(kFALSE); | |
1087 | gPad->SetLogy(); | |
1088 | fhC11[0]->Draw(); | |
1089 | ||
1090 | canvas2->cd(2); | |
1091 | fhC22[0]->SetStats(kFALSE); | |
1092 | gPad->SetLogy(); | |
1093 | fhC22[0]->Draw(); | |
1094 | ||
1095 | canvas2->cd(3); | |
1096 | fhC33[0]->SetStats(kFALSE); | |
1097 | gPad->SetLogy(); | |
1098 | fhC33[0]->Draw(); | |
1099 | ||
1100 | canvas2->cd(4); | |
1101 | fhC44[0]->SetStats(kFALSE); | |
1102 | gPad->SetLogy(); | |
1103 | fhC44[0]->Draw(); | |
1104 | ||
1105 | canvas2->cd(5); | |
1106 | fhC55[0]->SetStats(kFALSE); | |
1107 | gPad->SetLogy(); | |
1108 | fhC55[0]->Draw(); | |
1109 | ||
1110 | canvas2->SaveAs(Form("%s_%s.gif", GetName(), canvas2->GetName())); | |
1111 | ||
1112 | TCanvas* canvas3 = new TCanvas(Form("%s_3", GetName()), "Track Quality Results3", 1200, 800); | |
1113 | canvas3->Divide(3, 2); | |
1114 | ||
1115 | canvas3->cd(1); | |
1116 | fhDXY[0]->SetStats(kFALSE); | |
1117 | gPad->SetLogy(); | |
1118 | fhDXY[0]->Draw(); | |
1119 | ||
1120 | canvas3->cd(2); | |
1121 | fhDZ[0]->SetStats(kFALSE); | |
1122 | gPad->SetLogy(); | |
1123 | fhDZ[0]->Draw(); | |
1124 | ||
1125 | canvas3->cd(3); | |
1126 | fhDXYvsDZ[0]->SetStats(kFALSE); | |
1127 | gPad->SetLogz(); | |
1128 | gPad->SetRightMargin(0.15); | |
1129 | fhDXYvsDZ[0]->Draw("COLZ"); | |
1130 | ||
1131 | canvas3->cd(4); | |
1132 | fhDXYNormalized[0]->SetStats(kFALSE); | |
1133 | gPad->SetLogy(); | |
1134 | fhDXYNormalized[0]->Draw(); | |
1135 | ||
1136 | canvas3->cd(5); | |
1137 | fhDZNormalized[0]->SetStats(kFALSE); | |
1138 | gPad->SetLogy(); | |
1139 | fhDZNormalized[0]->Draw(); | |
1140 | ||
1141 | canvas3->cd(6); | |
1142 | fhDXYvsDZNormalized[0]->SetStats(kFALSE); | |
1143 | gPad->SetLogz(); | |
1144 | gPad->SetRightMargin(0.15); | |
1145 | fhDXYvsDZNormalized[0]->Draw("COLZ"); | |
1146 | ||
1147 | canvas3->SaveAs(Form("%s_%s.gif", GetName(), canvas3->GetName())); | |
1148 | ||
1149 | TCanvas* canvas4 = new TCanvas(Form("%s_4", GetName()), "Track Quality Results4", 800, 500); | |
1150 | canvas4->Divide(2, 1); | |
1151 | ||
1152 | canvas4->cd(1); | |
1153 | fhCutStatistics->SetStats(kFALSE); | |
1154 | fhCutStatistics->LabelsOption("v"); | |
1155 | gPad->SetBottomMargin(0.3); | |
1156 | fhCutStatistics->Draw(); | |
1157 | ||
1158 | canvas4->cd(2); | |
1159 | fhCutCorrelation->SetStats(kFALSE); | |
1160 | fhCutCorrelation->LabelsOption("v"); | |
1161 | gPad->SetBottomMargin(0.3); | |
1162 | gPad->SetLeftMargin(0.3); | |
1163 | fhCutCorrelation->Draw("COLZ"); | |
1164 | ||
1165 | canvas4->SaveAs(Form("%s_%s.gif", GetName(), canvas4->GetName())); | |
1166 | ||
1167 | /*canvas->cd(1); | |
1168 | fhDXYvsDZNormalized[0]->SetStats(kFALSE); | |
1169 | fhDXYvsDZNormalized[0]->DrawCopy("COLZ"); | |
1170 | ||
1171 | canvas->cd(2); | |
1172 | fhNClustersTPC[0]->SetStats(kFALSE); | |
1173 | fhNClustersTPC[0]->DrawCopy(); | |
1174 | ||
1175 | canvas->cd(3); | |
1176 | fhChi2PerClusterITS[0]->SetStats(kFALSE); | |
1177 | fhChi2PerClusterITS[0]->DrawCopy(); | |
1178 | fhChi2PerClusterITS[1]->SetLineColor(2); | |
1179 | fhChi2PerClusterITS[1]->DrawCopy("SAME"); | |
1180 | ||
1181 | canvas->cd(4); | |
1182 | fhChi2PerClusterTPC[0]->SetStats(kFALSE); | |
1183 | fhChi2PerClusterTPC[0]->DrawCopy(); | |
1184 | fhChi2PerClusterTPC[1]->SetLineColor(2); | |
1185 | fhChi2PerClusterTPC[1]->DrawCopy("SAME");*/ | |
1186 | } | |
0b75bef2 | 1187 |