]>
Commit | Line | Data |
---|---|---|
0b75bef2 | 1 | #include "AliESDtrackCuts.h" |
2 | ||
aa93c798 | 3 | |
4 | #include <AliESDtrack.h> | |
5 | #include <AliESD.h> | |
6 | #include <AliLog.h> | |
5c495d37 | 7 | #include <TTree.h> |
aa93c798 | 8 | |
0b75bef2 | 9 | //____________________________________________________________________ |
f58f1a93 | 10 | ClassImp(AliESDtrackCuts) |
0b75bef2 | 11 | |
ebd60d8e | 12 | // Cut names |
ab2c1f0d | 13 | const Char_t* AliESDtrackCuts::fgkCutNames[kNCuts] = { |
ebd60d8e | 14 | "require TPC refit", |
15 | "require ITS refit", | |
16 | "n clusters TPC", | |
17 | "n clusters ITS", | |
18 | "#Chi^{2}/clusters TPC", | |
19 | "#Chi^{2}/clusters ITS", | |
20 | "cov 11", | |
21 | "cov 22", | |
22 | "cov 33", | |
23 | "cov 44", | |
24 | "cov 55", | |
25 | "trk-to-vtx", | |
26 | "trk-to-vtx failed", | |
27 | "kink daughters", | |
ebd60d8e | 28 | "p", |
29 | "p_{T}", | |
30 | "p_{x}", | |
31 | "p_{y}", | |
32 | "p_{z}", | |
33 | "y", | |
34 | "eta" | |
35 | }; | |
36 | ||
0b75bef2 | 37 | //____________________________________________________________________ |
d8594d03 | 38 | AliESDtrackCuts::AliESDtrackCuts() : TNamed(), |
39 | fCutMinNClusterTPC(0), | |
40 | fCutMinNClusterITS(0), | |
41 | fCutMaxChi2PerClusterTPC(0), | |
42 | fCutMaxChi2PerClusterITS(0), | |
43 | fCutMaxC11(0), | |
44 | fCutMaxC22(0), | |
45 | fCutMaxC33(0), | |
46 | fCutMaxC44(0), | |
47 | fCutMaxC55(0), | |
48 | fCutAcceptKinkDaughters(0), | |
49 | fCutRequireTPCRefit(0), | |
50 | fCutRequireITSRefit(0), | |
51 | fCutNsigmaToVertex(0), | |
52 | fCutSigmaToVertexRequired(0), | |
53 | fPMin(0), | |
54 | fPMax(0), | |
55 | fPtMin(0), | |
56 | fPtMax(0), | |
57 | fPxMin(0), | |
58 | fPxMax(0), | |
59 | fPyMin(0), | |
60 | fPyMax(0), | |
61 | fPzMin(0), | |
62 | fPzMax(0), | |
63 | fEtaMin(0), | |
64 | fEtaMax(0), | |
65 | fRapMin(0), | |
66 | fRapMax(0), | |
67 | fHistogramsOn(0), | |
129a66bb | 68 | ffDTheoretical(0), |
d8594d03 | 69 | fhCutStatistics(0), |
70 | fhCutCorrelation(0) | |
71 | { | |
72 | // | |
73 | // default constructor | |
74 | // | |
0b8a2421 | 75 | |
76 | Init(); | |
d8594d03 | 77 | } |
78 | ||
79 | //____________________________________________________________________ | |
80 | AliESDtrackCuts::AliESDtrackCuts(Char_t* name, Char_t* title) : TNamed(name,title), | |
aa617804 | 81 | fCutMinNClusterTPC(0), |
82 | fCutMinNClusterITS(0), | |
83 | fCutMaxChi2PerClusterTPC(0), | |
84 | fCutMaxChi2PerClusterITS(0), | |
85 | fCutMaxC11(0), | |
86 | fCutMaxC22(0), | |
87 | fCutMaxC33(0), | |
88 | fCutMaxC44(0), | |
89 | fCutMaxC55(0), | |
90 | fCutAcceptKinkDaughters(0), | |
91 | fCutRequireTPCRefit(0), | |
92 | fCutRequireITSRefit(0), | |
93 | fCutNsigmaToVertex(0), | |
94 | fCutSigmaToVertexRequired(0), | |
95 | fPMin(0), | |
96 | fPMax(0), | |
97 | fPtMin(0), | |
98 | fPtMax(0), | |
99 | fPxMin(0), | |
100 | fPxMax(0), | |
101 | fPyMin(0), | |
102 | fPyMax(0), | |
103 | fPzMin(0), | |
104 | fPzMax(0), | |
105 | fEtaMin(0), | |
106 | fEtaMax(0), | |
107 | fRapMin(0), | |
108 | fRapMax(0), | |
109 | fHistogramsOn(0), | |
110 | fhCutStatistics(0), | |
111 | fhCutCorrelation(0) | |
ebd60d8e | 112 | { |
113 | // | |
114 | // constructor | |
115 | // | |
116 | ||
117 | Init(); | |
0b75bef2 | 118 | |
119 | //############################################################################## | |
120 | // setting default cuts | |
0b75bef2 | 121 | SetMinNClustersTPC(); |
ebd60d8e | 122 | SetMinNClustersITS(); |
0b75bef2 | 123 | SetMaxChi2PerClusterTPC(); |
124 | SetMaxChi2PerClusterITS(); | |
125 | SetMaxCovDiagonalElements(); | |
126 | SetRequireTPCRefit(); | |
127 | SetRequireITSRefit(); | |
128 | SetAcceptKingDaughters(); | |
129 | SetMinNsigmaToVertex(); | |
130 | SetRequireSigmaToVertex(); | |
131 | SetPRange(); | |
132 | SetPtRange(); | |
133 | SetPxRange(); | |
134 | SetPyRange(); | |
135 | SetPzRange(); | |
136 | SetEtaRange(); | |
137 | SetRapRange(); | |
138 | ||
139 | SetHistogramsOn(); | |
ebd60d8e | 140 | } |
141 | ||
142 | //_____________________________________________________________________________ | |
3633478d | 143 | AliESDtrackCuts::AliESDtrackCuts(const AliESDtrackCuts &c) : TNamed(c), |
aa617804 | 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), | |
158 | fPMin(0), | |
159 | fPMax(0), | |
160 | fPtMin(0), | |
161 | fPtMax(0), | |
162 | fPxMin(0), | |
163 | fPxMax(0), | |
164 | fPyMin(0), | |
165 | fPyMax(0), | |
166 | fPzMin(0), | |
167 | fPzMax(0), | |
168 | fEtaMin(0), | |
169 | fEtaMax(0), | |
170 | fRapMin(0), | |
171 | fRapMax(0), | |
172 | fHistogramsOn(0), | |
129a66bb | 173 | ffDTheoretical(0), |
aa617804 | 174 | fhCutStatistics(0), |
175 | fhCutCorrelation(0) | |
ebd60d8e | 176 | { |
177 | // | |
178 | // copy constructor | |
179 | // | |
180 | ||
181 | ((AliESDtrackCuts &) c).Copy(*this); | |
182 | } | |
183 | ||
184 | AliESDtrackCuts::~AliESDtrackCuts() | |
185 | { | |
186 | // | |
187 | // destructor | |
188 | // | |
189 | ||
927c71e5 | 190 | for (Int_t i=0; i<2; i++) { |
191 | ||
192 | if (fhNClustersITS[i]) | |
193 | delete fhNClustersITS[i]; | |
194 | if (fhNClustersTPC[i]) | |
195 | delete fhNClustersTPC[i]; | |
196 | if (fhChi2PerClusterITS[i]) | |
197 | delete fhChi2PerClusterITS[i]; | |
198 | if (fhChi2PerClusterTPC[i]) | |
199 | delete fhChi2PerClusterTPC[i]; | |
200 | if (fhC11[i]) | |
201 | delete fhC11[i]; | |
202 | if (fhC22[i]) | |
203 | delete fhC22[i]; | |
204 | if (fhC33[i]) | |
205 | delete fhC33[i]; | |
206 | if (fhC44[i]) | |
207 | delete fhC44[i]; | |
208 | if (fhC55[i]) | |
209 | delete fhC55[i]; | |
210 | ||
211 | if (fhDXY[i]) | |
212 | delete fhDXY[i]; | |
213 | if (fhDZ[i]) | |
214 | delete fhDZ[i]; | |
215 | if (fhDXYvsDZ[i]) | |
216 | delete fhDXYvsDZ[i]; | |
217 | ||
218 | if (fhDXYNormalized[i]) | |
219 | delete fhDXYNormalized[i]; | |
220 | if (fhDZNormalized[i]) | |
221 | delete fhDZNormalized[i]; | |
222 | if (fhDXYvsDZNormalized[i]) | |
223 | delete fhDXYvsDZNormalized[i]; | |
129a66bb | 224 | if (fhNSigmaToVertex[i]) |
225 | delete fhNSigmaToVertex[i]; | |
927c71e5 | 226 | } |
129a66bb | 227 | |
228 | if (ffDTheoretical) | |
229 | delete ffDTheoretical; | |
927c71e5 | 230 | |
231 | if (fhCutStatistics) | |
232 | delete fhCutStatistics; | |
233 | if (fhCutCorrelation) | |
234 | delete fhCutCorrelation; | |
ebd60d8e | 235 | } |
236 | ||
237 | void AliESDtrackCuts::Init() | |
238 | { | |
239 | // | |
240 | // sets everything to zero | |
241 | // | |
242 | ||
ab2c1f0d | 243 | fCutMinNClusterTPC = 0; |
244 | fCutMinNClusterITS = 0; | |
ebd60d8e | 245 | |
ab2c1f0d | 246 | fCutMaxChi2PerClusterTPC = 0; |
247 | fCutMaxChi2PerClusterITS = 0; | |
ebd60d8e | 248 | |
ab2c1f0d | 249 | fCutMaxC11 = 0; |
250 | fCutMaxC22 = 0; | |
251 | fCutMaxC33 = 0; | |
252 | fCutMaxC44 = 0; | |
253 | fCutMaxC55 = 0; | |
ebd60d8e | 254 | |
ab2c1f0d | 255 | fCutAcceptKinkDaughters = 0; |
256 | fCutRequireTPCRefit = 0; | |
257 | fCutRequireITSRefit = 0; | |
ebd60d8e | 258 | |
ab2c1f0d | 259 | fCutNsigmaToVertex = 0; |
260 | fCutSigmaToVertexRequired = 0; | |
ebd60d8e | 261 | |
262 | fPMin = 0; | |
263 | fPMax = 0; | |
264 | fPtMin = 0; | |
265 | fPtMax = 0; | |
266 | fPxMin = 0; | |
267 | fPxMax = 0; | |
268 | fPyMin = 0; | |
269 | fPyMax = 0; | |
270 | fPzMin = 0; | |
271 | fPzMax = 0; | |
272 | fEtaMin = 0; | |
273 | fEtaMax = 0; | |
274 | fRapMin = 0; | |
275 | fRapMax = 0; | |
276 | ||
277 | fHistogramsOn = kFALSE; | |
278 | ||
279 | for (Int_t i=0; i<2; ++i) | |
280 | { | |
281 | fhNClustersITS[i] = 0; | |
282 | fhNClustersTPC[i] = 0; | |
283 | ||
284 | fhChi2PerClusterITS[i] = 0; | |
285 | fhChi2PerClusterTPC[i] = 0; | |
286 | ||
287 | fhC11[i] = 0; | |
288 | fhC22[i] = 0; | |
289 | fhC33[i] = 0; | |
290 | fhC44[i] = 0; | |
291 | fhC55[i] = 0; | |
292 | ||
293 | fhDXY[i] = 0; | |
294 | fhDZ[i] = 0; | |
295 | fhDXYvsDZ[i] = 0; | |
296 | ||
297 | fhDXYNormalized[i] = 0; | |
298 | fhDZNormalized[i] = 0; | |
299 | fhDXYvsDZNormalized[i] = 0; | |
129a66bb | 300 | fhNSigmaToVertex[i] = 0; |
ebd60d8e | 301 | } |
129a66bb | 302 | ffDTheoretical = 0; |
ebd60d8e | 303 | |
304 | fhCutStatistics = 0; | |
305 | fhCutCorrelation = 0; | |
306 | } | |
307 | ||
308 | //_____________________________________________________________________________ | |
309 | AliESDtrackCuts &AliESDtrackCuts::operator=(const AliESDtrackCuts &c) | |
310 | { | |
311 | // | |
312 | // Assignment operator | |
313 | // | |
0b75bef2 | 314 | |
ebd60d8e | 315 | if (this != &c) ((AliESDtrackCuts &) c).Copy(*this); |
316 | return *this; | |
317 | } | |
318 | ||
319 | //_____________________________________________________________________________ | |
320 | void AliESDtrackCuts::Copy(TObject &c) const | |
321 | { | |
322 | // | |
323 | // Copy function | |
324 | // | |
325 | ||
326 | AliESDtrackCuts& target = (AliESDtrackCuts &) c; | |
327 | ||
328 | target.Init(); | |
329 | ||
ab2c1f0d | 330 | target.fCutMinNClusterTPC = fCutMinNClusterTPC; |
331 | target.fCutMinNClusterITS = fCutMinNClusterITS; | |
ebd60d8e | 332 | |
ab2c1f0d | 333 | target.fCutMaxChi2PerClusterTPC = fCutMaxChi2PerClusterTPC; |
334 | target.fCutMaxChi2PerClusterITS = fCutMaxChi2PerClusterITS; | |
ebd60d8e | 335 | |
ab2c1f0d | 336 | target.fCutMaxC11 = fCutMaxC11; |
337 | target.fCutMaxC22 = fCutMaxC22; | |
338 | target.fCutMaxC33 = fCutMaxC33; | |
339 | target.fCutMaxC44 = fCutMaxC44; | |
340 | target.fCutMaxC55 = fCutMaxC55; | |
ebd60d8e | 341 | |
ab2c1f0d | 342 | target.fCutAcceptKinkDaughters = fCutAcceptKinkDaughters; |
343 | target.fCutRequireTPCRefit = fCutRequireTPCRefit; | |
344 | target.fCutRequireITSRefit = fCutRequireITSRefit; | |
ebd60d8e | 345 | |
ab2c1f0d | 346 | target.fCutNsigmaToVertex = fCutNsigmaToVertex; |
347 | target.fCutSigmaToVertexRequired = fCutSigmaToVertexRequired; | |
ebd60d8e | 348 | |
349 | target.fPMin = fPMin; | |
350 | target.fPMax = fPMax; | |
351 | target.fPtMin = fPtMin; | |
352 | target.fPtMax = fPtMax; | |
353 | target.fPxMin = fPxMin; | |
354 | target.fPxMax = fPxMax; | |
355 | target.fPyMin = fPyMin; | |
356 | target.fPyMax = fPyMax; | |
357 | target.fPzMin = fPzMin; | |
358 | target.fPzMax = fPzMax; | |
359 | target.fEtaMin = fEtaMin; | |
360 | target.fEtaMax = fEtaMax; | |
361 | target.fRapMin = fRapMin; | |
362 | target.fRapMax = fRapMax; | |
363 | ||
364 | target.fHistogramsOn = fHistogramsOn; | |
365 | ||
366 | for (Int_t i=0; i<2; ++i) | |
367 | { | |
368 | if (fhNClustersITS[i]) target.fhNClustersITS[i] = (TH1F*) fhNClustersITS[i]->Clone(); | |
369 | if (fhNClustersTPC[i]) target.fhNClustersTPC[i] = (TH1F*) fhNClustersTPC[i]->Clone(); | |
370 | ||
371 | if (fhChi2PerClusterITS[i]) target.fhChi2PerClusterITS[i] = (TH1F*) fhChi2PerClusterITS[i]->Clone(); | |
372 | if (fhChi2PerClusterTPC[i]) target.fhChi2PerClusterTPC[i] = (TH1F*) fhChi2PerClusterTPC[i]->Clone(); | |
373 | ||
374 | if (fhC11[i]) target.fhC11[i] = (TH1F*) fhC11[i]->Clone(); | |
375 | if (fhC22[i]) target.fhC22[i] = (TH1F*) fhC22[i]->Clone(); | |
376 | if (fhC33[i]) target.fhC33[i] = (TH1F*) fhC33[i]->Clone(); | |
377 | if (fhC44[i]) target.fhC44[i] = (TH1F*) fhC44[i]->Clone(); | |
378 | if (fhC55[i]) target.fhC55[i] = (TH1F*) fhC55[i]->Clone(); | |
379 | ||
380 | if (fhDXY[i]) target.fhDXY[i] = (TH1F*) fhDXY[i]->Clone(); | |
381 | if (fhDZ[i]) target.fhDZ[i] = (TH1F*) fhDZ[i]->Clone(); | |
382 | if (fhDXYvsDZ[i]) target.fhDXYvsDZ[i] = (TH2F*) fhDXYvsDZ[i]->Clone(); | |
383 | ||
384 | if (fhDXYNormalized[i]) target.fhDXYNormalized[i] = (TH1F*) fhDXYNormalized[i]->Clone(); | |
385 | if (fhDZNormalized[i]) target.fhDZNormalized[i] = (TH1F*) fhDZNormalized[i]->Clone(); | |
386 | if (fhDXYvsDZNormalized[i]) target.fhDXYvsDZNormalized[i] = (TH2F*) fhDXYvsDZNormalized[i]->Clone(); | |
129a66bb | 387 | if (fhNSigmaToVertex[i]) target.fhNSigmaToVertex[i] = (TH1F*) fhNSigmaToVertex[i]->Clone(); |
ebd60d8e | 388 | } |
129a66bb | 389 | if (ffDTheoretical) target.ffDTheoretical = (TF1*) ffDTheoretical->Clone(); |
ebd60d8e | 390 | |
391 | if (fhCutStatistics) target.fhCutStatistics = (TH1F*) fhCutStatistics->Clone(); | |
392 | if (fhCutCorrelation) target.fhCutCorrelation = (TH2F*) fhCutCorrelation->Clone(); | |
0b75bef2 | 393 | |
0b8a2421 | 394 | TNamed::Copy(c); |
0b75bef2 | 395 | } |
396 | ||
927c71e5 | 397 | //_____________________________________________________________________________ |
398 | Long64_t AliESDtrackCuts::Merge(TCollection* list) { | |
399 | // Merge a list of AliESDtrackCuts objects with this (needed for PROOF) | |
400 | // Returns the number of merged objects (including this) | |
401 | ||
402 | if (!list) | |
403 | return 0; | |
404 | ||
405 | if (list->IsEmpty()) | |
406 | return 1; | |
407 | ||
408 | if (!fHistogramsOn) | |
409 | return 0; | |
410 | ||
411 | TIterator* iter = list->MakeIterator(); | |
412 | TObject* obj; | |
413 | ||
414 | ||
415 | // collection of measured and generated histograms | |
416 | Int_t count = 0; | |
417 | while ((obj = iter->Next())) { | |
418 | ||
419 | AliESDtrackCuts* entry = dynamic_cast<AliESDtrackCuts*>(obj); | |
420 | if (entry == 0) | |
421 | continue; | |
422 | ||
423 | if (!entry->fHistogramsOn) | |
424 | continue; | |
425 | ||
426 | for (Int_t i=0; i<2; i++) { | |
427 | ||
428 | fhNClustersITS[i] ->Add(entry->fhNClustersITS[i] ); | |
429 | fhNClustersTPC[i] ->Add(entry->fhNClustersTPC[i] ); | |
430 | ||
431 | fhChi2PerClusterITS[i] ->Add(entry->fhChi2PerClusterITS[i]); | |
432 | fhChi2PerClusterTPC[i] ->Add(entry->fhChi2PerClusterTPC[i]); | |
433 | ||
434 | fhC11[i] ->Add(entry->fhC11[i] ); | |
435 | fhC22[i] ->Add(entry->fhC22[i] ); | |
436 | fhC33[i] ->Add(entry->fhC33[i] ); | |
437 | fhC44[i] ->Add(entry->fhC44[i] ); | |
438 | fhC55[i] ->Add(entry->fhC55[i] ); | |
439 | ||
440 | fhDXY[i] ->Add(entry->fhDXY[i] ); | |
441 | fhDZ[i] ->Add(entry->fhDZ[i] ); | |
442 | fhDXYvsDZ[i] ->Add(entry->fhDXYvsDZ[i] ); | |
443 | ||
444 | fhDXYNormalized[i] ->Add(entry->fhDXYNormalized[i] ); | |
445 | fhDZNormalized[i] ->Add(entry->fhDZNormalized[i] ); | |
446 | fhDXYvsDZNormalized[i] ->Add(entry->fhDXYvsDZNormalized[i]); | |
129a66bb | 447 | fhNSigmaToVertex[i] ->Add(entry->fhNSigmaToVertex[i]); |
448 | ||
927c71e5 | 449 | } |
450 | ||
451 | fhCutStatistics ->Add(entry->fhCutStatistics); | |
452 | fhCutCorrelation ->Add(entry->fhCutCorrelation); | |
453 | ||
454 | count++; | |
455 | } | |
456 | ||
457 | return count+1; | |
458 | } | |
459 | ||
460 | ||
0b75bef2 | 461 | //____________________________________________________________________ |
2b9019e4 | 462 | Float_t AliESDtrackCuts::GetSigmaToVertex(AliESDtrack* esdTrack) |
463 | { | |
129a66bb | 464 | // Calculates the number of sigma to the vertex. |
2b9019e4 | 465 | |
466 | Float_t b[2]; | |
467 | Float_t bRes[2]; | |
468 | Float_t bCov[3]; | |
469 | esdTrack->GetImpactParameters(b,bCov); | |
470 | if (bCov[0]<=0 || bCov[2]<=0) { | |
471 | AliDebug(1, "Estimated b resolution lower or equal zero!"); | |
472 | bCov[0]=0; bCov[2]=0; | |
473 | } | |
474 | bRes[0] = TMath::Sqrt(bCov[0]); | |
475 | bRes[1] = TMath::Sqrt(bCov[2]); | |
476 | ||
477 | // ----------------------------------- | |
478 | // How to get to a n-sigma cut? | |
479 | // | |
480 | // The accumulated statistics from 0 to d is | |
481 | // | |
482 | // -> Erf(d/Sqrt(2)) for a 1-dim gauss (d = n_sigma) | |
483 | // -> 1 - Exp(-d**2) for a 2-dim gauss (d*d = dx*dx + dy*dy != n_sigma) | |
484 | // | |
485 | // It means that for a 2-dim gauss: n_sigma(d) = Sqrt(2)*ErfInv(1 - Exp((-x**2)/2) | |
486 | // Can this be expressed in a different way? | |
2b9019e4 | 487 | |
488 | if (bRes[0] == 0 || bRes[1] ==0) | |
489 | return -1; | |
490 | ||
491 | Float_t d = TMath::Sqrt(TMath::Power(b[0]/bRes[0],2) + TMath::Power(b[1]/bRes[1],2)); | |
492 | ||
493 | // stupid rounding problem screws up everything: | |
494 | // if d is too big, TMath::Exp(...) gets 0, and TMath::ErfInverse(1) that should be infinite, gets 0 :( | |
495 | if (TMath::Exp(-d * d / 2) < 1e-10) | |
496 | return 1000; | |
497 | ||
498 | d = TMath::ErfInverse(1 - TMath::Exp(-d * d / 2)) * TMath::Sqrt(2); | |
499 | return d; | |
500 | } | |
501 | ||
5c495d37 | 502 | void AliESDtrackCuts::EnableNeededBranches(TTree* tree) |
503 | { | |
504 | // enables the branches needed by AcceptTrack, for a list see comment of AcceptTrack | |
505 | ||
506 | tree->SetBranchStatus("fTracks.fFlags", 1); | |
507 | tree->SetBranchStatus("fTracks.fITSncls", 1); | |
508 | tree->SetBranchStatus("fTracks.fTPCncls", 1); | |
509 | tree->SetBranchStatus("fTracks.fITSchi2", 1); | |
510 | tree->SetBranchStatus("fTracks.fTPCchi2", 1); | |
511 | tree->SetBranchStatus("fTracks.fC*", 1); | |
512 | tree->SetBranchStatus("fTracks.fD", 1); | |
513 | tree->SetBranchStatus("fTracks.fZ", 1); | |
514 | tree->SetBranchStatus("fTracks.fCdd", 1); | |
515 | tree->SetBranchStatus("fTracks.fCdz", 1); | |
516 | tree->SetBranchStatus("fTracks.fCzz", 1); | |
517 | tree->SetBranchStatus("fTracks.fP*", 1); | |
518 | tree->SetBranchStatus("fTracks.fR*", 1); | |
519 | tree->SetBranchStatus("fTracks.fKinkIndexes*", 1); | |
520 | } | |
521 | ||
2b9019e4 | 522 | //____________________________________________________________________ |
523 | Bool_t | |
0b75bef2 | 524 | AliESDtrackCuts::AcceptTrack(AliESDtrack* esdTrack) { |
525 | // | |
526 | // figure out if the tracks survives all the track cuts defined | |
527 | // | |
ab2c1f0d | 528 | // the different quality parameter and kinematic values are first |
529 | // retrieved from the track. then it is found out what cuts the | |
530 | // track did not survive and finally the cuts are imposed. | |
0b75bef2 | 531 | |
5c495d37 | 532 | // this function needs the following branches: |
533 | // fTracks.fFlags | |
534 | // fTracks.fITSncls | |
535 | // fTracks.fTPCncls | |
536 | // fTracks.fITSchi2 | |
537 | // fTracks.fTPCchi2 | |
538 | // fTracks.fC //GetExternalCovariance | |
539 | // fTracks.fD //GetImpactParameters | |
540 | // fTracks.fZ //GetImpactParameters | |
541 | // fTracks.fCdd //GetImpactParameters | |
542 | // fTracks.fCdz //GetImpactParameters | |
543 | // fTracks.fCzz //GetImpactParameters | |
544 | // fTracks.fP //GetPxPyPz | |
545 | // fTracks.fR //GetMass | |
546 | // fTracks.fP //GetMass | |
547 | // fTracks.fKinkIndexes | |
1ae6c515 | 548 | |
0b75bef2 | 549 | UInt_t status = esdTrack->GetStatus(); |
ebd60d8e | 550 | |
551 | // dummy array | |
552 | Int_t fIdxInt[200]; | |
553 | ||
0b75bef2 | 554 | // getting quality parameters from the ESD track |
555 | Int_t nClustersITS = esdTrack->GetITSclusters(fIdxInt); | |
556 | Int_t nClustersTPC = esdTrack->GetTPCclusters(fIdxInt); | |
557 | ||
1ae6c515 | 558 | |
559 | ||
0b75bef2 | 560 | Float_t chi2PerClusterITS = -1; |
561 | Float_t chi2PerClusterTPC = -1; | |
562 | if (nClustersITS!=0) | |
563 | chi2PerClusterITS = esdTrack->GetITSchi2()/Float_t(nClustersITS); | |
564 | if (nClustersTPC!=0) | |
5c495d37 | 565 | chi2PerClusterTPC = esdTrack->GetTPCchi2()/Float_t(nClustersTPC); |
0b75bef2 | 566 | |
567 | Double_t extCov[15]; | |
ebd60d8e | 568 | esdTrack->GetExternalCovariance(extCov); |
0b75bef2 | 569 | |
570 | // getting the track to vertex parameters | |
2b9019e4 | 571 | Float_t nSigmaToVertex = GetSigmaToVertex(esdTrack); |
0b75bef2 | 572 | |
2b9019e4 | 573 | // getting the kinematic variables of the track |
0b75bef2 | 574 | // (assuming the mass is known) |
575 | Double_t p[3]; | |
576 | esdTrack->GetPxPyPz(p); | |
577 | Float_t momentum = TMath::Sqrt(TMath::Power(p[0],2) + TMath::Power(p[1],2) + TMath::Power(p[2],2)); | |
578 | Float_t pt = TMath::Sqrt(TMath::Power(p[0],2) + TMath::Power(p[1],2)); | |
579 | Float_t energy = TMath::Sqrt(TMath::Power(esdTrack->GetMass(),2) + TMath::Power(momentum,2)); | |
580 | ||
1ae6c515 | 581 | |
0b75bef2 | 582 | //y-eta related calculations |
583 | Float_t eta = -100.; | |
584 | Float_t y = -100.; | |
585 | if((momentum != TMath::Abs(p[2]))&&(momentum != 0)) | |
586 | eta = 0.5*TMath::Log((momentum + p[2])/(momentum - p[2])); | |
587 | if((energy != TMath::Abs(p[2]))&&(momentum != 0)) | |
588 | y = 0.5*TMath::Log((energy + p[2])/(energy - p[2])); | |
589 | ||
590 | ||
591 | //######################################################################## | |
592 | // cut the track? | |
593 | ||
ebd60d8e | 594 | Bool_t cuts[kNCuts]; |
595 | for (Int_t i=0; i<kNCuts; i++) cuts[i]=kFALSE; | |
0b75bef2 | 596 | |
597 | // track quality cuts | |
ab2c1f0d | 598 | if (fCutRequireTPCRefit && (status&AliESDtrack::kTPCrefit)==0) |
0b75bef2 | 599 | cuts[0]=kTRUE; |
ab2c1f0d | 600 | if (fCutRequireITSRefit && (status&AliESDtrack::kITSrefit)==0) |
0b75bef2 | 601 | cuts[1]=kTRUE; |
2b9019e4 | 602 | if (nClustersTPC<fCutMinNClusterTPC) |
0b75bef2 | 603 | cuts[2]=kTRUE; |
ab2c1f0d | 604 | if (nClustersITS<fCutMinNClusterITS) |
0b75bef2 | 605 | cuts[3]=kTRUE; |
ab2c1f0d | 606 | if (chi2PerClusterTPC>fCutMaxChi2PerClusterTPC) |
0b75bef2 | 607 | cuts[4]=kTRUE; |
ab2c1f0d | 608 | if (chi2PerClusterITS>fCutMaxChi2PerClusterITS) |
0b75bef2 | 609 | cuts[5]=kTRUE; |
ab2c1f0d | 610 | if (extCov[0] > fCutMaxC11) |
0b75bef2 | 611 | cuts[6]=kTRUE; |
ab2c1f0d | 612 | if (extCov[2] > fCutMaxC22) |
0b75bef2 | 613 | cuts[7]=kTRUE; |
ab2c1f0d | 614 | if (extCov[5] > fCutMaxC33) |
0b75bef2 | 615 | cuts[8]=kTRUE; |
ab2c1f0d | 616 | if (extCov[9] > fCutMaxC44) |
0b75bef2 | 617 | cuts[9]=kTRUE; |
ab2c1f0d | 618 | if (extCov[14] > fCutMaxC55) |
0b75bef2 | 619 | cuts[10]=kTRUE; |
2b9019e4 | 620 | if (nSigmaToVertex > fCutNsigmaToVertex) |
0b75bef2 | 621 | cuts[11] = kTRUE; |
622 | // if n sigma could not be calculated | |
10ebe68d | 623 | if (nSigmaToVertex<0 && fCutSigmaToVertexRequired) |
0b75bef2 | 624 | cuts[12]=kTRUE; |
5c495d37 | 625 | if (!fCutAcceptKinkDaughters && esdTrack->GetKinkIndex(0)>0) |
0b75bef2 | 626 | cuts[13]=kTRUE; |
627 | // track kinematics cut | |
628 | if((momentum < fPMin) || (momentum > fPMax)) | |
629 | cuts[14]=kTRUE; | |
630 | if((pt < fPtMin) || (pt > fPtMax)) | |
631 | cuts[15] = kTRUE; | |
632 | if((p[0] < fPxMin) || (p[0] > fPxMax)) | |
633 | cuts[16] = kTRUE; | |
634 | if((p[1] < fPyMin) || (p[1] > fPyMax)) | |
635 | cuts[17] = kTRUE; | |
2b9019e4 | 636 | if((p[2] < fPzMin) || (p[2] > fPzMax)) |
0b75bef2 | 637 | cuts[18] = kTRUE; |
638 | if((eta < fEtaMin) || (eta > fEtaMax)) | |
639 | cuts[19] = kTRUE; | |
640 | if((y < fRapMin) || (y > fRapMax)) | |
641 | cuts[20] = kTRUE; | |
642 | ||
643 | Bool_t cut=kFALSE; | |
ebd60d8e | 644 | for (Int_t i=0; i<kNCuts; i++) |
0b75bef2 | 645 | if (cuts[i]) cut = kTRUE; |
646 | ||
647 | //######################################################################## | |
648 | // filling histograms | |
649 | if (fHistogramsOn) { | |
f58f1a93 | 650 | fhCutStatistics->Fill(fhCutStatistics->GetBinCenter(fhCutStatistics->GetXaxis()->FindBin("n tracks"))); |
0b75bef2 | 651 | |
652 | if (cut) | |
f58f1a93 | 653 | fhCutStatistics->Fill(fhCutStatistics->GetBinCenter(fhCutStatistics->GetXaxis()->FindBin("n cut tracks"))); |
0b75bef2 | 654 | |
ebd60d8e | 655 | for (Int_t i=0; i<kNCuts; i++) { |
0b75bef2 | 656 | if (cuts[i]) |
ab2c1f0d | 657 | fhCutStatistics->Fill(fhCutStatistics->GetBinCenter(fhCutStatistics->GetXaxis()->FindBin(fgkCutNames[i]))); |
0b75bef2 | 658 | |
ebd60d8e | 659 | for (Int_t j=i; j<kNCuts; j++) { |
0b75bef2 | 660 | if (cuts[i] && cuts[j]) { |
ab2c1f0d | 661 | Float_t x = fhCutCorrelation->GetXaxis()->GetBinCenter(fhCutCorrelation->GetXaxis()->FindBin(fgkCutNames[i])); |
662 | Float_t y = fhCutCorrelation->GetYaxis()->GetBinCenter(fhCutCorrelation->GetYaxis()->FindBin(fgkCutNames[j])); | |
f58f1a93 | 663 | fhCutCorrelation->Fill(x,y); |
0b75bef2 | 664 | } |
665 | } | |
666 | } | |
667 | ||
668 | ||
2b9019e4 | 669 | fhNClustersITS[0]->Fill(nClustersITS); |
670 | fhNClustersTPC[0]->Fill(nClustersTPC); | |
f58f1a93 | 671 | fhChi2PerClusterITS[0]->Fill(chi2PerClusterITS); |
2b9019e4 | 672 | fhChi2PerClusterTPC[0]->Fill(chi2PerClusterTPC); |
673 | ||
674 | fhC11[0]->Fill(extCov[0]); | |
675 | fhC22[0]->Fill(extCov[2]); | |
676 | fhC33[0]->Fill(extCov[5]); | |
677 | fhC44[0]->Fill(extCov[9]); | |
678 | fhC55[0]->Fill(extCov[14]); | |
679 | ||
680 | Float_t b[2]; | |
681 | Float_t bRes[2]; | |
682 | Float_t bCov[3]; | |
683 | esdTrack->GetImpactParameters(b,bCov); | |
684 | if (bCov[0]<=0 || bCov[2]<=0) { | |
685 | AliDebug(1, "Estimated b resolution lower or equal zero!"); | |
686 | bCov[0]=0; bCov[2]=0; | |
687 | } | |
688 | bRes[0] = TMath::Sqrt(bCov[0]); | |
689 | bRes[1] = TMath::Sqrt(bCov[2]); | |
690 | ||
691 | fhDZ[0]->Fill(b[1]); | |
692 | fhDXY[0]->Fill(b[0]); | |
f58f1a93 | 693 | fhDXYvsDZ[0]->Fill(b[1],b[0]); |
0b75bef2 | 694 | |
695 | if (bRes[0]!=0 && bRes[1]!=0) { | |
10ebe68d | 696 | fhDZNormalized[0]->Fill(b[1]/bRes[1]); |
2b9019e4 | 697 | fhDXYNormalized[0]->Fill(b[0]/bRes[0]); |
f58f1a93 | 698 | fhDXYvsDZNormalized[0]->Fill(b[1]/bRes[1], b[0]/bRes[0]); |
129a66bb | 699 | fhNSigmaToVertex[0]->Fill(nSigmaToVertex); |
0b75bef2 | 700 | } |
701 | } | |
702 | ||
2b9019e4 | 703 | //######################################################################## |
0b75bef2 | 704 | // cut the track! |
705 | if (cut) return kFALSE; | |
706 | ||
2b9019e4 | 707 | //######################################################################## |
0b75bef2 | 708 | // filling histograms after cut |
709 | if (fHistogramsOn) { | |
2b9019e4 | 710 | fhNClustersITS[1]->Fill(nClustersITS); |
711 | fhNClustersTPC[1]->Fill(nClustersTPC); | |
f58f1a93 | 712 | fhChi2PerClusterITS[1]->Fill(chi2PerClusterITS); |
2b9019e4 | 713 | fhChi2PerClusterTPC[1]->Fill(chi2PerClusterTPC); |
714 | ||
715 | fhC11[1]->Fill(extCov[0]); | |
716 | fhC22[1]->Fill(extCov[2]); | |
10ebe68d | 717 | fhC33[1]->Fill(extCov[5]); |
2b9019e4 | 718 | fhC44[1]->Fill(extCov[9]); |
719 | fhC55[1]->Fill(extCov[14]); | |
720 | ||
721 | Float_t b[2]; | |
722 | Float_t bRes[2]; | |
723 | Float_t bCov[3]; | |
724 | esdTrack->GetImpactParameters(b,bCov); | |
725 | if (bCov[0]<=0 || bCov[2]<=0) { | |
726 | AliDebug(1, "Estimated b resolution lower or equal zero!"); | |
727 | bCov[0]=0; bCov[2]=0; | |
728 | } | |
729 | bRes[0] = TMath::Sqrt(bCov[0]); | |
730 | bRes[1] = TMath::Sqrt(bCov[2]); | |
731 | ||
732 | fhDZ[1]->Fill(b[1]); | |
733 | fhDXY[1]->Fill(b[0]); | |
f58f1a93 | 734 | fhDXYvsDZ[1]->Fill(b[1],b[0]); |
0b75bef2 | 735 | |
10ebe68d | 736 | if (bRes[0]!=0 && bRes[1]!=0) |
737 | { | |
738 | fhDZNormalized[1]->Fill(b[1]/bRes[1]); | |
739 | fhDXYNormalized[1]->Fill(b[0]/bRes[0]); | |
740 | fhDXYvsDZNormalized[1]->Fill(b[1]/bRes[1], b[0]/bRes[0]); | |
129a66bb | 741 | fhNSigmaToVertex[1]->Fill(nSigmaToVertex); |
10ebe68d | 742 | } |
0b75bef2 | 743 | } |
2b9019e4 | 744 | |
0b75bef2 | 745 | return kTRUE; |
746 | } | |
747 | ||
748 | //____________________________________________________________________ | |
749 | TObjArray* | |
ebd60d8e | 750 | AliESDtrackCuts::GetAcceptedTracks(AliESD* esd) |
751 | { | |
752 | // | |
0b75bef2 | 753 | // returns an array of all tracks that pass the cuts |
ebd60d8e | 754 | // |
755 | ||
756 | TObjArray* acceptedTracks = new TObjArray(); | |
c5858666 | 757 | |
0b75bef2 | 758 | // loop over esd tracks |
759 | for (Int_t iTrack = 0; iTrack < esd->GetNumberOfTracks(); iTrack++) { | |
760 | AliESDtrack* track = esd->GetTrack(iTrack); | |
c5858666 | 761 | |
ebd60d8e | 762 | if (AcceptTrack(track)) |
763 | acceptedTracks->Add(track); | |
0b75bef2 | 764 | } |
765 | ||
ebd60d8e | 766 | return acceptedTracks; |
0b75bef2 | 767 | } |
768 | ||
c5858666 | 769 | //____________________________________________________________________ |
770 | Int_t | |
771 | AliESDtrackCuts::CountAcceptedTracks(AliESD* esd) | |
772 | { | |
773 | // | |
774 | // returns an the number of tracks that pass the cuts | |
775 | // | |
776 | ||
777 | Int_t count = 0; | |
778 | ||
779 | // loop over esd tracks | |
780 | for (Int_t iTrack = 0; iTrack < esd->GetNumberOfTracks(); iTrack++) { | |
781 | AliESDtrack* track = esd->GetTrack(iTrack); | |
782 | ||
783 | if (AcceptTrack(track)) | |
784 | count++; | |
785 | } | |
786 | ||
787 | return count; | |
788 | } | |
789 | ||
0b75bef2 | 790 | //____________________________________________________________________ |
f58f1a93 | 791 | void AliESDtrackCuts::DefineHistograms(Int_t color) { |
ab2c1f0d | 792 | // |
793 | // diagnostics histograms are defined | |
794 | // | |
0b75bef2 | 795 | |
f58f1a93 | 796 | fHistogramsOn=kTRUE; |
0b75bef2 | 797 | |
ab2c1f0d | 798 | //################################################################################### |
f58f1a93 | 799 | // defining histograms |
0b75bef2 | 800 | |
ebd60d8e | 801 | fhCutStatistics = new TH1F("cut_statistics","cut statistics",kNCuts+4,-0.5,kNCuts+3.5); |
0b75bef2 | 802 | |
f58f1a93 | 803 | fhCutStatistics->GetXaxis()->SetBinLabel(1,"n tracks"); |
804 | fhCutStatistics->GetXaxis()->SetBinLabel(2,"n cut tracks"); | |
0b75bef2 | 805 | |
ebd60d8e | 806 | fhCutCorrelation = new TH2F("cut_correlation","cut correlation",kNCuts,-0.5,kNCuts-0.5,kNCuts,-0.5,kNCuts-0.5);; |
0b75bef2 | 807 | |
ebd60d8e | 808 | for (Int_t i=0; i<kNCuts; i++) { |
ab2c1f0d | 809 | fhCutStatistics->GetXaxis()->SetBinLabel(i+4,fgkCutNames[i]); |
810 | fhCutCorrelation->GetXaxis()->SetBinLabel(i+1,fgkCutNames[i]); | |
811 | fhCutCorrelation->GetYaxis()->SetBinLabel(i+1,fgkCutNames[i]); | |
f58f1a93 | 812 | } |
813 | ||
814 | fhCutStatistics ->SetLineColor(color); | |
815 | fhCutCorrelation ->SetLineColor(color); | |
816 | fhCutStatistics ->SetLineWidth(2); | |
817 | fhCutCorrelation ->SetLineWidth(2); | |
818 | ||
0b75bef2 | 819 | Char_t str[256]; |
820 | for (Int_t i=0; i<2; i++) { | |
821 | if (i==0) sprintf(str," "); | |
822 | else sprintf(str,"_cut"); | |
823 | ||
ebd60d8e | 824 | fhNClustersITS[i] = new TH1F(Form("nClustersITS%s",str),"",8,-0.5,7.5); |
825 | fhNClustersTPC[i] = new TH1F(Form("nClustersTPC%s",str),"",165,-0.5,164.5); | |
826 | fhChi2PerClusterITS[i] = new TH1F(Form("chi2PerClusterITS%s",str),"",500,0,10); | |
827 | fhChi2PerClusterTPC[i] = new TH1F(Form("chi2PerClusterTPC%s",str),"",500,0,10); | |
828 | ||
d8594d03 | 829 | fhC11[i] = new TH1F(Form("covMatrixDiagonal11%s",str),"",2000,0,20); |
830 | fhC22[i] = new TH1F(Form("covMatrixDiagonal22%s",str),"",2000,0,20); | |
831 | fhC33[i] = new TH1F(Form("covMatrixDiagonal33%s",str),"",1000,0,1); | |
ebd60d8e | 832 | fhC44[i] = new TH1F(Form("covMatrixDiagonal44%s",str),"",1000,0,5); |
833 | fhC55[i] = new TH1F(Form("covMatrixDiagonal55%s",str),"",1000,0,5); | |
834 | ||
835 | fhDXY[i] = new TH1F(Form("dXY%s",str),"",500,-10,10); | |
836 | fhDZ[i] = new TH1F(Form("dZ%s",str),"",500,-10,10); | |
837 | fhDXYvsDZ[i] = new TH2F(Form("dXYvsDZ%s",str),"",200,-10,10,200,-10,10); | |
838 | ||
839 | fhDXYNormalized[i] = new TH1F(Form("dXYNormalized%s",str),"",500,-10,10); | |
840 | fhDZNormalized[i] = new TH1F(Form("dZNormalized%s",str),"",500,-10,10); | |
841 | fhDXYvsDZNormalized[i] = new TH2F(Form("dXYvsDZNormalized%s",str),"",200,-10,10,200,-10,10); | |
842 | ||
129a66bb | 843 | fhNSigmaToVertex[i] = new TH1F(Form("nSigmaToVertex%s",str),"",500,0,50); |
ebd60d8e | 844 | |
845 | fhNClustersITS[i]->SetXTitle("n ITS clusters"); | |
846 | fhNClustersTPC[i]->SetXTitle("n TPC clusters"); | |
847 | fhChi2PerClusterITS[i]->SetXTitle("#Chi^{2} per ITS cluster"); | |
848 | fhChi2PerClusterTPC[i]->SetXTitle("#Chi^{2} per TPC cluster"); | |
849 | ||
850 | fhC11[i]->SetXTitle("cov 11 : #sigma_{y}^{2} [cm^{2}]"); | |
851 | fhC22[i]->SetXTitle("cov 22 : #sigma_{z}^{2} [cm^{2}]"); | |
852 | fhC33[i]->SetXTitle("cov 33 : #sigma_{sin(#phi)}^{2}"); | |
853 | fhC44[i]->SetXTitle("cov 44 : #sigma_{tan(#theta_{dip})}^{2}"); | |
854 | fhC55[i]->SetXTitle("cov 55 : #sigma_{1/p_{T}}^{2} [(c/GeV)^2]"); | |
855 | ||
856 | fhDXY[i]->SetXTitle("transverse impact parameter"); | |
857 | fhDZ[i]->SetXTitle("longitudinal impact parameter"); | |
858 | fhDXYvsDZ[i]->SetXTitle("longitudinal impact parameter"); | |
859 | fhDXYvsDZ[i]->SetYTitle("transverse impact parameter"); | |
860 | ||
861 | fhDXYNormalized[i]->SetXTitle("normalized trans impact par"); | |
862 | fhDZNormalized[i]->SetXTitle("normalized long impact par"); | |
863 | fhDXYvsDZNormalized[i]->SetXTitle("normalized long impact par"); | |
864 | fhDXYvsDZNormalized[i]->SetYTitle("normalized trans impact par"); | |
129a66bb | 865 | fhNSigmaToVertex[i]->SetXTitle("n #sigma to vertex"); |
ebd60d8e | 866 | |
867 | fhNClustersITS[i]->SetLineColor(color); fhNClustersITS[i]->SetLineWidth(2); | |
868 | fhNClustersTPC[i]->SetLineColor(color); fhNClustersTPC[i]->SetLineWidth(2); | |
869 | fhChi2PerClusterITS[i]->SetLineColor(color); fhChi2PerClusterITS[i]->SetLineWidth(2); | |
870 | fhChi2PerClusterTPC[i]->SetLineColor(color); fhChi2PerClusterTPC[i]->SetLineWidth(2); | |
871 | ||
872 | fhC11[i]->SetLineColor(color); fhC11[i]->SetLineWidth(2); | |
873 | fhC22[i]->SetLineColor(color); fhC22[i]->SetLineWidth(2); | |
874 | fhC33[i]->SetLineColor(color); fhC33[i]->SetLineWidth(2); | |
875 | fhC44[i]->SetLineColor(color); fhC44[i]->SetLineWidth(2); | |
876 | fhC55[i]->SetLineColor(color); fhC55[i]->SetLineWidth(2); | |
877 | ||
878 | fhDXY[i]->SetLineColor(color); fhDXY[i]->SetLineWidth(2); | |
879 | fhDZ[i]->SetLineColor(color); fhDZ[i]->SetLineWidth(2); | |
880 | ||
881 | fhDXYNormalized[i]->SetLineColor(color); fhDXYNormalized[i]->SetLineWidth(2); | |
129a66bb | 882 | fhDZNormalized[i]->SetLineColor(color); fhDZNormalized[i]->SetLineWidth(2); |
883 | fhNSigmaToVertex[i]->SetLineColor(color); fhNSigmaToVertex[i]->SetLineWidth(2); | |
0b75bef2 | 884 | } |
129a66bb | 885 | |
886 | // The number of sigmas to the vertex is per definition gaussian | |
887 | ffDTheoretical = new TF1("nSigmaToVertexTheoretical","([0]/2.506628274)*exp(-(x**2)/2)",0,50); | |
888 | ffDTheoretical->SetParameter(0,1); | |
0b75bef2 | 889 | } |
890 | ||
d8594d03 | 891 | |
892 | ||
0b75bef2 | 893 | //____________________________________________________________________ |
894 | void | |
49dc84d9 | 895 | AliESDtrackCuts::Print(const Option_t*) const { |
ab2c1f0d | 896 | // |
897 | // print method - still to be implemented | |
898 | // | |
0b75bef2 | 899 | |
900 | AliInfo("AliESDtrackCuts..."); | |
901 | } | |
902 | ||
903 | ||
904 | //____________________________________________________________________ | |
f58f1a93 | 905 | void AliESDtrackCuts::SaveHistograms(Char_t* dir) { |
ab2c1f0d | 906 | // |
907 | // saves the histograms in a directory (dir) | |
908 | // | |
909 | ||
0b75bef2 | 910 | |
911 | if (!fHistogramsOn) { | |
912 | AliDebug(0, "Histograms not on - cannot save histograms!!!"); | |
913 | return; | |
914 | } | |
915 | ||
916 | gDirectory->mkdir(dir); | |
917 | gDirectory->cd(dir); | |
918 | ||
919 | gDirectory->mkdir("before_cuts"); | |
920 | gDirectory->mkdir("after_cuts"); | |
921 | ||
129a66bb | 922 | // a factor of 2 is needed since n sigma is positive |
923 | ffDTheoretical->SetParameter(0,2*fhNSigmaToVertex[0]->Integral("width")); | |
924 | ffDTheoretical->Write("nSigmaToVertexTheory"); | |
925 | ||
f58f1a93 | 926 | fhCutStatistics->Write(); |
927 | fhCutCorrelation->Write(); | |
0b75bef2 | 928 | |
929 | for (Int_t i=0; i<2; i++) { | |
930 | if (i==0) | |
931 | gDirectory->cd("before_cuts"); | |
932 | else | |
933 | gDirectory->cd("after_cuts"); | |
934 | ||
f58f1a93 | 935 | fhNClustersITS[i] ->Write(); |
936 | fhNClustersTPC[i] ->Write(); | |
937 | fhChi2PerClusterITS[i] ->Write(); | |
938 | fhChi2PerClusterTPC[i] ->Write(); | |
0b75bef2 | 939 | |
f58f1a93 | 940 | fhC11[i] ->Write(); |
941 | fhC22[i] ->Write(); | |
942 | fhC33[i] ->Write(); | |
943 | fhC44[i] ->Write(); | |
944 | fhC55[i] ->Write(); | |
945 | ||
946 | fhDXY[i] ->Write(); | |
947 | fhDZ[i] ->Write(); | |
948 | fhDXYvsDZ[i] ->Write(); | |
0b75bef2 | 949 | |
f58f1a93 | 950 | fhDXYNormalized[i] ->Write(); |
951 | fhDZNormalized[i] ->Write(); | |
952 | fhDXYvsDZNormalized[i] ->Write(); | |
129a66bb | 953 | fhNSigmaToVertex[i] ->Write(); |
0b75bef2 | 954 | |
955 | gDirectory->cd("../"); | |
956 | } | |
957 | ||
958 | gDirectory->cd("../"); | |
959 | } | |
960 | ||
961 | ||
962 |