Adding AliExternalComparison class
[u/mrichter/AliRoot.git] / ANALYSIS / AliESDtrackCuts.cxx
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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//____________________________________________________________________
30ClassImp(AliESDtrackCuts)
31
32// Cut names
33const Char_t* AliESDtrackCuts::fgkCutNames[kNCuts] = {
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",
48 "p",
49 "p_{T}",
50 "p_{x}",
51 "p_{y}",
52 "p_{z}",
53 "y",
524916f0 54 "eta",
e4617f4e 55 "trk-to-vtx dca absolute",
74687314 56 "trk-to-vtx dca xy absolute",
94c06b89 57 "trk-to-vtx dca z absolute",
58 "SPD cluster requirement",
59 "SDD cluster requirement",
60 "SSD cluster requirement"
73318471 61};
62
63//____________________________________________________________________
64AliESDtrackCuts::AliESDtrackCuts(const Char_t* name, const Char_t* title) : AliAnalysisCuts(name,title),
65 fCutMinNClusterTPC(0),
66 fCutMinNClusterITS(0),
67 fCutMaxChi2PerClusterTPC(0),
68 fCutMaxChi2PerClusterITS(0),
69 fCutMaxC11(0),
70 fCutMaxC22(0),
71 fCutMaxC33(0),
72 fCutMaxC44(0),
73 fCutMaxC55(0),
74 fCutAcceptKinkDaughters(0),
75 fCutRequireTPCRefit(0),
76 fCutRequireITSRefit(0),
77 fCutNsigmaToVertex(0),
78 fCutSigmaToVertexRequired(0),
524916f0 79 fCutDCAToVertex(0),
e4617f4e 80 fCutDCAToVertexXY(0),
74687314 81 fCutDCAToVertexZ(0),
73318471 82 fPMin(0),
83 fPMax(0),
84 fPtMin(0),
85 fPtMax(0),
86 fPxMin(0),
87 fPxMax(0),
88 fPyMin(0),
89 fPyMax(0),
90 fPzMin(0),
91 fPzMax(0),
92 fEtaMin(0),
93 fEtaMax(0),
94 fRapMin(0),
95 fRapMax(0),
96 fHistogramsOn(0),
97 ffDTheoretical(0),
98 fhCutStatistics(0),
99 fhCutCorrelation(0)
100{
101 //
102 // constructor
103 //
104
105 Init();
106
107 //##############################################################################
108 // setting default cuts
109 SetMinNClustersTPC();
110 SetMinNClustersITS();
111 SetMaxChi2PerClusterTPC();
112 SetMaxChi2PerClusterITS();
113 SetMaxCovDiagonalElements();
114 SetRequireTPCRefit();
115 SetRequireITSRefit();
116 SetAcceptKingDaughters();
94c06b89 117 SetMaxNsigmaToVertex();
94c06b89 118 SetMaxDCAToVertex();
119 SetMaxDCAToVertexXY();
120 SetMaxDCAToVertexZ();
73318471 121 SetPRange();
122 SetPtRange();
123 SetPxRange();
124 SetPyRange();
125 SetPzRange();
126 SetEtaRange();
127 SetRapRange();
94c06b89 128 SetClusterRequirementITS(kSPD);
129 SetClusterRequirementITS(kSDD);
130 SetClusterRequirementITS(kSSD);
73318471 131
132 SetHistogramsOn();
133}
134
135//_____________________________________________________________________________
136AliESDtrackCuts::AliESDtrackCuts(const AliESDtrackCuts &c) : AliAnalysisCuts(c),
137 fCutMinNClusterTPC(0),
138 fCutMinNClusterITS(0),
139 fCutMaxChi2PerClusterTPC(0),
140 fCutMaxChi2PerClusterITS(0),
141 fCutMaxC11(0),
142 fCutMaxC22(0),
143 fCutMaxC33(0),
144 fCutMaxC44(0),
145 fCutMaxC55(0),
146 fCutAcceptKinkDaughters(0),
147 fCutRequireTPCRefit(0),
148 fCutRequireITSRefit(0),
149 fCutNsigmaToVertex(0),
150 fCutSigmaToVertexRequired(0),
524916f0 151 fCutDCAToVertex(0),
e4617f4e 152 fCutDCAToVertexXY(0),
74687314 153 fCutDCAToVertexZ(0),
73318471 154 fPMin(0),
155 fPMax(0),
156 fPtMin(0),
157 fPtMax(0),
158 fPxMin(0),
159 fPxMax(0),
160 fPyMin(0),
161 fPyMax(0),
162 fPzMin(0),
163 fPzMax(0),
164 fEtaMin(0),
165 fEtaMax(0),
166 fRapMin(0),
167 fRapMax(0),
168 fHistogramsOn(0),
169 ffDTheoretical(0),
170 fhCutStatistics(0),
171 fhCutCorrelation(0)
172{
173 //
174 // copy constructor
175 //
176
177 ((AliESDtrackCuts &) c).Copy(*this);
178}
179
180AliESDtrackCuts::~AliESDtrackCuts()
181{
182 //
183 // destructor
184 //
185
186 for (Int_t i=0; i<2; i++) {
187
188 if (fhNClustersITS[i])
189 delete fhNClustersITS[i];
190 if (fhNClustersTPC[i])
191 delete fhNClustersTPC[i];
192 if (fhChi2PerClusterITS[i])
193 delete fhChi2PerClusterITS[i];
194 if (fhChi2PerClusterTPC[i])
195 delete fhChi2PerClusterTPC[i];
196 if (fhC11[i])
197 delete fhC11[i];
198 if (fhC22[i])
199 delete fhC22[i];
200 if (fhC33[i])
201 delete fhC33[i];
202 if (fhC44[i])
203 delete fhC44[i];
204 if (fhC55[i])
205 delete fhC55[i];
206
207 if (fhDXY[i])
208 delete fhDXY[i];
209 if (fhDZ[i])
524916f0 210 delete fhDZ[i];
211 if (fhDXYDZ[i])
212 delete fhDXYDZ[i];
73318471 213 if (fhDXYvsDZ[i])
524916f0 214 delete fhDXYvsDZ[i];
215
73318471 216 if (fhDXYNormalized[i])
217 delete fhDXYNormalized[i];
218 if (fhDZNormalized[i])
219 delete fhDZNormalized[i];
220 if (fhDXYvsDZNormalized[i])
524916f0 221 delete fhDXYvsDZNormalized[i];
73318471 222 if (fhNSigmaToVertex[i])
223 delete fhNSigmaToVertex[i];
224 if (fhPt[i])
225 delete fhPt[i];
226 if (fhEta[i])
227 delete fhEta[i];
228 }
229
230 if (ffDTheoretical)
231 delete ffDTheoretical;
232
233 if (fhCutStatistics)
234 delete fhCutStatistics;
235 if (fhCutCorrelation)
236 delete fhCutCorrelation;
237}
238
239void AliESDtrackCuts::Init()
240{
241 //
242 // sets everything to zero
243 //
244
245 fCutMinNClusterTPC = 0;
246 fCutMinNClusterITS = 0;
247
248 fCutMaxChi2PerClusterTPC = 0;
249 fCutMaxChi2PerClusterITS = 0;
94c06b89 250
251 for (Int_t i = 0; i < 3; i++)
252 fCutClusterRequirementITS[i] = kOff;
73318471 253
254 fCutMaxC11 = 0;
255 fCutMaxC22 = 0;
256 fCutMaxC33 = 0;
257 fCutMaxC44 = 0;
258 fCutMaxC55 = 0;
259
260 fCutAcceptKinkDaughters = 0;
261 fCutRequireTPCRefit = 0;
262 fCutRequireITSRefit = 0;
263
264 fCutNsigmaToVertex = 0;
265 fCutSigmaToVertexRequired = 0;
524916f0 266 fCutDCAToVertex = 0;
e4617f4e 267 fCutDCAToVertexXY = 0;
74687314 268 fCutDCAToVertexZ = 0;
73318471 269
270 fPMin = 0;
271 fPMax = 0;
272 fPtMin = 0;
273 fPtMax = 0;
274 fPxMin = 0;
275 fPxMax = 0;
276 fPyMin = 0;
277 fPyMax = 0;
278 fPzMin = 0;
279 fPzMax = 0;
280 fEtaMin = 0;
281 fEtaMax = 0;
282 fRapMin = 0;
283 fRapMax = 0;
284
285 fHistogramsOn = kFALSE;
286
287 for (Int_t i=0; i<2; ++i)
288 {
289 fhNClustersITS[i] = 0;
290 fhNClustersTPC[i] = 0;
291
292 fhChi2PerClusterITS[i] = 0;
293 fhChi2PerClusterTPC[i] = 0;
294
295 fhC11[i] = 0;
296 fhC22[i] = 0;
297 fhC33[i] = 0;
298 fhC44[i] = 0;
299 fhC55[i] = 0;
300
301 fhDXY[i] = 0;
302 fhDZ[i] = 0;
524916f0 303 fhDXYDZ[i] = 0;
73318471 304 fhDXYvsDZ[i] = 0;
305
306 fhDXYNormalized[i] = 0;
307 fhDZNormalized[i] = 0;
308 fhDXYvsDZNormalized[i] = 0;
309 fhNSigmaToVertex[i] = 0;
310
311 fhPt[i] = 0;
312 fhEta[i] = 0;
313 }
314 ffDTheoretical = 0;
315
316 fhCutStatistics = 0;
317 fhCutCorrelation = 0;
318}
319
320//_____________________________________________________________________________
321AliESDtrackCuts &AliESDtrackCuts::operator=(const AliESDtrackCuts &c)
322{
323 //
324 // Assignment operator
325 //
326
327 if (this != &c) ((AliESDtrackCuts &) c).Copy(*this);
328 return *this;
329}
330
331//_____________________________________________________________________________
332void AliESDtrackCuts::Copy(TObject &c) const
333{
334 //
335 // Copy function
336 //
337
338 AliESDtrackCuts& target = (AliESDtrackCuts &) c;
339
340 target.Init();
341
342 target.fCutMinNClusterTPC = fCutMinNClusterTPC;
343 target.fCutMinNClusterITS = fCutMinNClusterITS;
344
345 target.fCutMaxChi2PerClusterTPC = fCutMaxChi2PerClusterTPC;
346 target.fCutMaxChi2PerClusterITS = fCutMaxChi2PerClusterITS;
347
94c06b89 348 for (Int_t i = 0; i < 3; i++)
349 target.fCutClusterRequirementITS[i] = fCutClusterRequirementITS[i];
350
73318471 351 target.fCutMaxC11 = fCutMaxC11;
352 target.fCutMaxC22 = fCutMaxC22;
353 target.fCutMaxC33 = fCutMaxC33;
354 target.fCutMaxC44 = fCutMaxC44;
355 target.fCutMaxC55 = fCutMaxC55;
356
357 target.fCutAcceptKinkDaughters = fCutAcceptKinkDaughters;
358 target.fCutRequireTPCRefit = fCutRequireTPCRefit;
359 target.fCutRequireITSRefit = fCutRequireITSRefit;
360
361 target.fCutNsigmaToVertex = fCutNsigmaToVertex;
362 target.fCutSigmaToVertexRequired = fCutSigmaToVertexRequired;
524916f0 363 target.fCutDCAToVertex = fCutDCAToVertex;
e4617f4e 364 target.fCutDCAToVertexXY = fCutDCAToVertexXY;
74687314 365 target.fCutDCAToVertexZ = fCutDCAToVertexZ;
73318471 366
367 target.fPMin = fPMin;
368 target.fPMax = fPMax;
369 target.fPtMin = fPtMin;
370 target.fPtMax = fPtMax;
371 target.fPxMin = fPxMin;
372 target.fPxMax = fPxMax;
373 target.fPyMin = fPyMin;
374 target.fPyMax = fPyMax;
375 target.fPzMin = fPzMin;
376 target.fPzMax = fPzMax;
377 target.fEtaMin = fEtaMin;
378 target.fEtaMax = fEtaMax;
379 target.fRapMin = fRapMin;
380 target.fRapMax = fRapMax;
381
382 target.fHistogramsOn = fHistogramsOn;
383
384 for (Int_t i=0; i<2; ++i)
385 {
386 if (fhNClustersITS[i]) target.fhNClustersITS[i] = (TH1F*) fhNClustersITS[i]->Clone();
387 if (fhNClustersTPC[i]) target.fhNClustersTPC[i] = (TH1F*) fhNClustersTPC[i]->Clone();
388
389 if (fhChi2PerClusterITS[i]) target.fhChi2PerClusterITS[i] = (TH1F*) fhChi2PerClusterITS[i]->Clone();
390 if (fhChi2PerClusterTPC[i]) target.fhChi2PerClusterTPC[i] = (TH1F*) fhChi2PerClusterTPC[i]->Clone();
391
392 if (fhC11[i]) target.fhC11[i] = (TH1F*) fhC11[i]->Clone();
393 if (fhC22[i]) target.fhC22[i] = (TH1F*) fhC22[i]->Clone();
394 if (fhC33[i]) target.fhC33[i] = (TH1F*) fhC33[i]->Clone();
395 if (fhC44[i]) target.fhC44[i] = (TH1F*) fhC44[i]->Clone();
396 if (fhC55[i]) target.fhC55[i] = (TH1F*) fhC55[i]->Clone();
397
398 if (fhDXY[i]) target.fhDXY[i] = (TH1F*) fhDXY[i]->Clone();
399 if (fhDZ[i]) target.fhDZ[i] = (TH1F*) fhDZ[i]->Clone();
524916f0 400 if (fhDXYDZ[i]) target.fhDXYDZ[i] = (TH1F*) fhDXYDZ[i]->Clone();
73318471 401 if (fhDXYvsDZ[i]) target.fhDXYvsDZ[i] = (TH2F*) fhDXYvsDZ[i]->Clone();
402
403 if (fhDXYNormalized[i]) target.fhDXYNormalized[i] = (TH1F*) fhDXYNormalized[i]->Clone();
404 if (fhDZNormalized[i]) target.fhDZNormalized[i] = (TH1F*) fhDZNormalized[i]->Clone();
405 if (fhDXYvsDZNormalized[i]) target.fhDXYvsDZNormalized[i] = (TH2F*) fhDXYvsDZNormalized[i]->Clone();
406 if (fhNSigmaToVertex[i]) target.fhNSigmaToVertex[i] = (TH1F*) fhNSigmaToVertex[i]->Clone();
407
408 if (fhPt[i]) target.fhPt[i] = (TH1F*) fhPt[i]->Clone();
409 if (fhEta[i]) target.fhEta[i] = (TH1F*) fhEta[i]->Clone();
410 }
411 if (ffDTheoretical) target.ffDTheoretical = (TF1*) ffDTheoretical->Clone();
412
413 if (fhCutStatistics) target.fhCutStatistics = (TH1F*) fhCutStatistics->Clone();
414 if (fhCutCorrelation) target.fhCutCorrelation = (TH2F*) fhCutCorrelation->Clone();
415
416 TNamed::Copy(c);
417}
418
419//_____________________________________________________________________________
420Long64_t AliESDtrackCuts::Merge(TCollection* list) {
421 // Merge a list of AliESDtrackCuts objects with this (needed for PROOF)
422 // Returns the number of merged objects (including this)
73318471 423 if (!list)
424 return 0;
73318471 425 if (list->IsEmpty())
426 return 1;
73318471 427 if (!fHistogramsOn)
428 return 0;
73318471 429 TIterator* iter = list->MakeIterator();
430 TObject* obj;
431
73318471 432 // collection of measured and generated histograms
433 Int_t count = 0;
434 while ((obj = iter->Next())) {
435
436 AliESDtrackCuts* entry = dynamic_cast<AliESDtrackCuts*>(obj);
437 if (entry == 0)
438 continue;
439
440 if (!entry->fHistogramsOn)
441 continue;
524916f0 442
73318471 443 for (Int_t i=0; i<2; i++) {
444
445 fhNClustersITS[i] ->Add(entry->fhNClustersITS[i] );
446 fhNClustersTPC[i] ->Add(entry->fhNClustersTPC[i] );
447
448 fhChi2PerClusterITS[i] ->Add(entry->fhChi2PerClusterITS[i]);
449 fhChi2PerClusterTPC[i] ->Add(entry->fhChi2PerClusterTPC[i]);
450
451 fhC11[i] ->Add(entry->fhC11[i] );
452 fhC22[i] ->Add(entry->fhC22[i] );
453 fhC33[i] ->Add(entry->fhC33[i] );
454 fhC44[i] ->Add(entry->fhC44[i] );
455 fhC55[i] ->Add(entry->fhC55[i] );
456
457 fhDXY[i] ->Add(entry->fhDXY[i] );
458 fhDZ[i] ->Add(entry->fhDZ[i] );
524916f0 459 fhDXYDZ[i] ->Add(entry->fhDXYDZ[i] );
460 fhDXYvsDZ[i] ->Add(entry->fhDXYvsDZ[i] );
461
462 fhDXYNormalized[i] ->Add(entry->fhDXYNormalized[i] );
73318471 463 fhDZNormalized[i] ->Add(entry->fhDZNormalized[i] );
524916f0 464 fhDXYvsDZNormalized[i] ->Add(entry->fhDXYvsDZNormalized[i]);
73318471 465 fhNSigmaToVertex[i] ->Add(entry->fhNSigmaToVertex[i]);
466
467 fhPt[i] ->Add(entry->fhPt[i]);
468 fhEta[i] ->Add(entry->fhEta[i]);
469 }
470
471 fhCutStatistics ->Add(entry->fhCutStatistics);
472 fhCutCorrelation ->Add(entry->fhCutCorrelation);
473
474 count++;
475 }
73318471 476 return count+1;
477}
478
479
480//____________________________________________________________________
481Float_t AliESDtrackCuts::GetSigmaToVertex(AliESDtrack* esdTrack)
482{
483 // Calculates the number of sigma to the vertex.
484
485 Float_t b[2];
486 Float_t bRes[2];
487 Float_t bCov[3];
488 esdTrack->GetImpactParameters(b,bCov);
36853ddd 489
73318471 490 if (bCov[0]<=0 || bCov[2]<=0) {
57fddfbc 491 AliDebugClass(1, "Estimated b resolution lower or equal zero!");
73318471 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?
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
0f712a2e 513 // work around precision problem
73318471 514 // if d is too big, TMath::Exp(...) gets 0, and TMath::ErfInverse(1) that should be infinite, gets 0 :(
0f712a2e 515 // 1e-15 corresponds to nsigma ~ 7.7
516 if (TMath::Exp(-d * d / 2) < 1e-15)
73318471 517 return 1000;
518
0f712a2e 519 Float_t nSigma = TMath::ErfInverse(1 - TMath::Exp(-d * d / 2)) * TMath::Sqrt(2);
520 return nSigma;
73318471 521}
522
523void AliESDtrackCuts::EnableNeededBranches(TTree* tree)
524{
525 // enables the branches needed by AcceptTrack, for a list see comment of AcceptTrack
526
527 tree->SetBranchStatus("fTracks.fFlags", 1);
528 tree->SetBranchStatus("fTracks.fITSncls", 1);
529 tree->SetBranchStatus("fTracks.fTPCncls", 1);
530 tree->SetBranchStatus("fTracks.fITSchi2", 1);
531 tree->SetBranchStatus("fTracks.fTPCchi2", 1);
532 tree->SetBranchStatus("fTracks.fC*", 1);
533 tree->SetBranchStatus("fTracks.fD", 1);
534 tree->SetBranchStatus("fTracks.fZ", 1);
535 tree->SetBranchStatus("fTracks.fCdd", 1);
536 tree->SetBranchStatus("fTracks.fCdz", 1);
537 tree->SetBranchStatus("fTracks.fCzz", 1);
538 tree->SetBranchStatus("fTracks.fP*", 1);
539 tree->SetBranchStatus("fTracks.fR*", 1);
540 tree->SetBranchStatus("fTracks.fKinkIndexes*", 1);
541}
542
543//____________________________________________________________________
544Bool_t
545AliESDtrackCuts::AcceptTrack(AliESDtrack* esdTrack) {
546 //
547 // figure out if the tracks survives all the track cuts defined
548 //
549 // the different quality parameter and kinematic values are first
550 // retrieved from the track. then it is found out what cuts the
551 // track did not survive and finally the cuts are imposed.
552
553 // this function needs the following branches:
554 // fTracks.fFlags
555 // fTracks.fITSncls
556 // fTracks.fTPCncls
557 // fTracks.fITSchi2
558 // fTracks.fTPCchi2
559 // fTracks.fC //GetExternalCovariance
560 // fTracks.fD //GetImpactParameters
561 // fTracks.fZ //GetImpactParameters
562 // fTracks.fCdd //GetImpactParameters
563 // fTracks.fCdz //GetImpactParameters
564 // fTracks.fCzz //GetImpactParameters
565 // fTracks.fP //GetPxPyPz
566 // fTracks.fR //GetMass
567 // fTracks.fP //GetMass
568 // fTracks.fKinkIndexes
569
36853ddd 570
73318471 571 UInt_t status = esdTrack->GetStatus();
572
73318471 573 // getting quality parameters from the ESD track
524916f0 574 Int_t nClustersITS = esdTrack->GetITSclusters(0);
575 Int_t nClustersTPC = esdTrack->GetTPCclusters(0);
576
73318471 577 Float_t chi2PerClusterITS = -1;
578 Float_t chi2PerClusterTPC = -1;
579 if (nClustersITS!=0)
580 chi2PerClusterITS = esdTrack->GetITSchi2()/Float_t(nClustersITS);
581 if (nClustersTPC!=0)
582 chi2PerClusterTPC = esdTrack->GetTPCchi2()/Float_t(nClustersTPC);
73318471 583 Double_t extCov[15];
584 esdTrack->GetExternalCovariance(extCov);
585
586 // getting the track to vertex parameters
587 Float_t nSigmaToVertex = GetSigmaToVertex(esdTrack);
524916f0 588
589 Float_t b[2];
590 Float_t bCov[3];
591 esdTrack->GetImpactParameters(b,bCov);
592 if (bCov[0]<=0 || bCov[2]<=0) {
593 AliDebug(1, "Estimated b resolution lower or equal zero!");
594 bCov[0]=0; bCov[2]=0;
595 }
74687314 596
e4617f4e 597 Float_t dcaToVertexXY = b[0];
74687314 598 Float_t dcaToVertexZ = b[1];
599
600 Float_t dcaToVertex = TMath::Sqrt(dcaToVertexXY*dcaToVertexXY + dcaToVertexZ*dcaToVertexZ);
601
73318471 602 // getting the kinematic variables of the track
603 // (assuming the mass is known)
604 Double_t p[3];
605 esdTrack->GetPxPyPz(p);
36853ddd 606
73318471 607 Float_t momentum = TMath::Sqrt(TMath::Power(p[0],2) + TMath::Power(p[1],2) + TMath::Power(p[2],2));
608 Float_t pt = TMath::Sqrt(TMath::Power(p[0],2) + TMath::Power(p[1],2));
609 Float_t energy = TMath::Sqrt(TMath::Power(esdTrack->GetMass(),2) + TMath::Power(momentum,2));
610
611
612 //y-eta related calculations
613 Float_t eta = -100.;
614 Float_t y = -100.;
615 if((momentum != TMath::Abs(p[2]))&&(momentum != 0))
616 eta = 0.5*TMath::Log((momentum + p[2])/(momentum - p[2]));
617 if((energy != TMath::Abs(p[2]))&&(momentum != 0))
618 y = 0.5*TMath::Log((energy + p[2])/(energy - p[2]));
619
620
621 //########################################################################
622 // cut the track?
623
624 Bool_t cuts[kNCuts];
625 for (Int_t i=0; i<kNCuts; i++) cuts[i]=kFALSE;
626
627 // track quality cuts
628 if (fCutRequireTPCRefit && (status&AliESDtrack::kTPCrefit)==0)
629 cuts[0]=kTRUE;
630 if (fCutRequireITSRefit && (status&AliESDtrack::kITSrefit)==0)
631 cuts[1]=kTRUE;
632 if (nClustersTPC<fCutMinNClusterTPC)
633 cuts[2]=kTRUE;
634 if (nClustersITS<fCutMinNClusterITS)
635 cuts[3]=kTRUE;
636 if (chi2PerClusterTPC>fCutMaxChi2PerClusterTPC)
637 cuts[4]=kTRUE;
638 if (chi2PerClusterITS>fCutMaxChi2PerClusterITS)
639 cuts[5]=kTRUE;
640 if (extCov[0] > fCutMaxC11)
641 cuts[6]=kTRUE;
642 if (extCov[2] > fCutMaxC22)
643 cuts[7]=kTRUE;
644 if (extCov[5] > fCutMaxC33)
645 cuts[8]=kTRUE;
646 if (extCov[9] > fCutMaxC44)
647 cuts[9]=kTRUE;
648 if (extCov[14] > fCutMaxC55)
649 cuts[10]=kTRUE;
650 if (nSigmaToVertex > fCutNsigmaToVertex && fCutSigmaToVertexRequired)
651 cuts[11] = kTRUE;
652 // if n sigma could not be calculated
653 if (nSigmaToVertex<0 && fCutSigmaToVertexRequired)
654 cuts[12]=kTRUE;
655 if (!fCutAcceptKinkDaughters && esdTrack->GetKinkIndex(0)>0)
656 cuts[13]=kTRUE;
657 // track kinematics cut
658 if((momentum < fPMin) || (momentum > fPMax))
659 cuts[14]=kTRUE;
660 if((pt < fPtMin) || (pt > fPtMax))
661 cuts[15] = kTRUE;
662 if((p[0] < fPxMin) || (p[0] > fPxMax))
663 cuts[16] = kTRUE;
664 if((p[1] < fPyMin) || (p[1] > fPyMax))
665 cuts[17] = kTRUE;
666 if((p[2] < fPzMin) || (p[2] > fPzMax))
667 cuts[18] = kTRUE;
0f712a2e 668 if((eta < fEtaMin) || (eta > fEtaMax))
73318471 669 cuts[19] = kTRUE;
670 if((y < fRapMin) || (y > fRapMax))
671 cuts[20] = kTRUE;
524916f0 672 if (dcaToVertex > fCutDCAToVertex)
673 cuts[21] = kTRUE;
6da333ee 674 if (TMath::Abs(dcaToVertexXY) > fCutDCAToVertexXY)
e4617f4e 675 cuts[22] = kTRUE;
6da333ee 676 if (TMath::Abs(dcaToVertexZ) > fCutDCAToVertexZ)
74687314 677 cuts[23] = kTRUE;
94c06b89 678
679 for (Int_t i = 0; i < 3; i++)
680 cuts[24+i] = !CheckITSClusterRequirement(fCutClusterRequirementITS[i], esdTrack->HasPointOnITSLayer(i*2), esdTrack->HasPointOnITSLayer(i*2+1));
73318471 681
682 Bool_t cut=kFALSE;
683 for (Int_t i=0; i<kNCuts; i++)
684 if (cuts[i]) cut = kTRUE;
524916f0 685
686
687
73318471 688 //########################################################################
689 // filling histograms
690 if (fHistogramsOn) {
691 fhCutStatistics->Fill(fhCutStatistics->GetBinCenter(fhCutStatistics->GetXaxis()->FindBin("n tracks")));
73318471 692 if (cut)
693 fhCutStatistics->Fill(fhCutStatistics->GetBinCenter(fhCutStatistics->GetXaxis()->FindBin("n cut tracks")));
694
695 for (Int_t i=0; i<kNCuts; i++) {
696 if (cuts[i])
524916f0 697 fhCutStatistics->Fill(fhCutStatistics->GetBinCenter(fhCutStatistics->GetXaxis()->FindBin(fgkCutNames[i])));
698
73318471 699 for (Int_t j=i; j<kNCuts; j++) {
524916f0 700 if (cuts[i] && cuts[j]) {
701 Float_t xC = fhCutCorrelation->GetXaxis()->GetBinCenter(fhCutCorrelation->GetXaxis()->FindBin(fgkCutNames[i]));
702 Float_t yC = fhCutCorrelation->GetYaxis()->GetBinCenter(fhCutCorrelation->GetYaxis()->FindBin(fgkCutNames[j]));
703 fhCutCorrelation->Fill(xC, yC);
704 }
73318471 705 }
706 }
73318471 707 }
708
524916f0 709 // now we loop over the filling of the histograms twice: once "before" the cut, once "after"
710 // the code is not in a function due to too many local variables that would need to be passed
73318471 711
524916f0 712 for (Int_t id = 0; id < 2; id++)
713 {
714 // id = 0 --> before cut
715 // id = 1 --> after cut
73318471 716
524916f0 717 if (fHistogramsOn)
73318471 718 {
524916f0 719 fhNClustersITS[id]->Fill(nClustersITS);
720 fhNClustersTPC[id]->Fill(nClustersTPC);
721 fhChi2PerClusterITS[id]->Fill(chi2PerClusterITS);
722 fhChi2PerClusterTPC[id]->Fill(chi2PerClusterTPC);
723
724 fhC11[id]->Fill(extCov[0]);
725 fhC22[id]->Fill(extCov[2]);
726 fhC33[id]->Fill(extCov[5]);
727 fhC44[id]->Fill(extCov[9]);
728 fhC55[id]->Fill(extCov[14]);
729
730 fhPt[id]->Fill(pt);
731 fhEta[id]->Fill(eta);
732
733 Float_t bRes[2];
734 bRes[0] = TMath::Sqrt(bCov[0]);
735 bRes[1] = TMath::Sqrt(bCov[2]);
736
737 fhDZ[id]->Fill(b[1]);
738 fhDXY[id]->Fill(b[0]);
739 fhDXYDZ[id]->Fill(dcaToVertex);
740 fhDXYvsDZ[id]->Fill(b[1],b[0]);
741
742 if (bRes[0]!=0 && bRes[1]!=0) {
743 fhDZNormalized[id]->Fill(b[1]/bRes[1]);
744 fhDXYNormalized[id]->Fill(b[0]/bRes[0]);
745 fhDXYvsDZNormalized[id]->Fill(b[1]/bRes[1], b[0]/bRes[0]);
746 fhNSigmaToVertex[id]->Fill(nSigmaToVertex);
747 }
73318471 748 }
524916f0 749
750 // cut the track
751 if (cut)
752 return kFALSE;
73318471 753 }
754
755 return kTRUE;
756}
757
758//____________________________________________________________________
94c06b89 759Bool_t AliESDtrackCuts::CheckITSClusterRequirement(ITSClusterRequirement req, Bool_t clusterL1, Bool_t clusterL2)
760{
761 // checks if the cluster requirement is fullfilled (in this case: return kTRUE)
762
763 switch (req)
764 {
765 case kOff: return kTRUE;
766 case kNone: return !clusterL1 && !clusterL2;
767 case kAny: return clusterL1 || clusterL2;
768 case kFirst: return clusterL1;
769 case kOnlyFirst: return clusterL1 && !clusterL2;
770 case kSecond: return clusterL2;
771 case kOnlySecond: return clusterL2 && !clusterL1;
772 case kBoth: return clusterL1 && clusterL2;
773 }
774
775 return kFALSE;
776}
777
778//____________________________________________________________________
524916f0 779AliESDtrack* AliESDtrackCuts::GetTPCOnlyTrack(AliESDEvent* esd, Int_t iTrack)
73318471 780{
524916f0 781 // creates a TPC only track from the given esd track
782 // the track has to be deleted by the user
73318471 783 //
524916f0 784 // NB. most of the functionality to get a TPC only track from an ESD track is in AliESDtrack, where it should be
785 // there are only missing propagations here that are needed for old data
786 // this function will therefore become obsolete
73318471 787 //
524916f0 788 // adapted from code provided by CKB
73318471 789
524916f0 790 if (!esd->GetPrimaryVertexTPC())
791 return 0; // No TPC vertex no TPC tracks
73318471 792
91c88f16 793 if(!esd->GetPrimaryVertexTPC()->GetStatus())
794 return 0; // TPC Vertex is created by default in AliESDEvent, do not use in this case
91c88f16 795
524916f0 796 AliESDtrack* track = esd->GetTrack(iTrack);
797 if (!track)
798 return 0;
36853ddd 799
524916f0 800 AliESDtrack *tpcTrack = new AliESDtrack();
73318471 801
524916f0 802 // This should have been done during the reconstruction
803 // fixed by Juri in r26675
804 // but recalculate for older data CKB
805 Float_t p[2],cov[3];
806 track->GetImpactParametersTPC(p,cov);
807 if(p[0]==0&&p[1]==0)
808 track->RelateToVertexTPC(esd->GetPrimaryVertexTPC(),esd->GetMagneticField(),kVeryBig);
809 // BKC
73318471 810
524916f0 811 // only true if we have a tpc track
812 if (!track->FillTPCOnlyTrack(*tpcTrack))
813 {
814 delete tpcTrack;
815 return 0;
73318471 816 }
817
524916f0 818 // propagate to Vertex
819 // not needed for normal reconstructed ESDs...
820 // Double_t pTPC[2],covTPC[3];
821 // tpcTrack->PropagateToDCA(esd->GetPrimaryVertexTPC(), esd->GetMagneticField(), 10000, pTPC, covTPC);
822
823 return tpcTrack;
73318471 824}
825
826//____________________________________________________________________
36853ddd 827TObjArray* AliESDtrackCuts::GetAcceptedTracks(AliESDEvent* esd,Bool_t bTPC)
73318471 828{
829 //
830 // returns an array of all tracks that pass the cuts
36853ddd 831 // or an array of TPC only tracks (propagated to the TPC vertex during reco)
832 // tracks that pass the cut
73318471 833
834 TObjArray* acceptedTracks = new TObjArray();
835
836 // loop over esd tracks
837 for (Int_t iTrack = 0; iTrack < esd->GetNumberOfTracks(); iTrack++) {
36853ddd 838 if(bTPC){
839 if(!esd->GetPrimaryVertexTPC())return acceptedTracks; // No TPC vertex no TPC tracks
91c88f16 840 if(!esd->GetPrimaryVertexTPC()->GetStatus())return acceptedTracks; // No proper TPC vertex, only the default
36853ddd 841
524916f0 842 AliESDtrack *tpcTrack = GetTPCOnlyTrack(esd, iTrack);
843 if (!tpcTrack)
844 continue;
845
846 if (AcceptTrack(tpcTrack)) {
847 acceptedTracks->Add(tpcTrack);
36853ddd 848 }
524916f0 849 else
850 delete tpcTrack;
851 }
852 else
853 {
854 AliESDtrack* track = esd->GetTrack(iTrack);
855 if(AcceptTrack(track))
856 acceptedTracks->Add(track);
36853ddd 857 }
36853ddd 858 }
859 if(bTPC)acceptedTracks->SetOwner(kTRUE);
73318471 860 return acceptedTracks;
861}
862
863//____________________________________________________________________
864Int_t AliESDtrackCuts::CountAcceptedTracks(AliESDEvent* esd)
865{
866 //
867 // returns an the number of tracks that pass the cuts
868 //
869
870 Int_t count = 0;
871
872 // loop over esd tracks
873 for (Int_t iTrack = 0; iTrack < esd->GetNumberOfTracks(); iTrack++) {
874 AliESDtrack* track = esd->GetTrack(iTrack);
73318471 875 if (AcceptTrack(track))
876 count++;
877 }
878
879 return count;
880}
881
882//____________________________________________________________________
883 void AliESDtrackCuts::DefineHistograms(Int_t color) {
884 //
885 // diagnostics histograms are defined
886 //
887
888 fHistogramsOn=kTRUE;
889
890 Bool_t oldStatus = TH1::AddDirectoryStatus();
891 TH1::AddDirectory(kFALSE);
892
893 //###################################################################################
894 // defining histograms
895
896 fhCutStatistics = new TH1F("cut_statistics","cut statistics",kNCuts+4,-0.5,kNCuts+3.5);
897
898 fhCutStatistics->GetXaxis()->SetBinLabel(1,"n tracks");
899 fhCutStatistics->GetXaxis()->SetBinLabel(2,"n cut tracks");
900
901 fhCutCorrelation = new TH2F("cut_correlation","cut correlation",kNCuts,-0.5,kNCuts-0.5,kNCuts,-0.5,kNCuts-0.5);;
902
903 for (Int_t i=0; i<kNCuts; i++) {
904 fhCutStatistics->GetXaxis()->SetBinLabel(i+4,fgkCutNames[i]);
905 fhCutCorrelation->GetXaxis()->SetBinLabel(i+1,fgkCutNames[i]);
906 fhCutCorrelation->GetYaxis()->SetBinLabel(i+1,fgkCutNames[i]);
0f712a2e 907 }
73318471 908
909 fhCutStatistics ->SetLineColor(color);
910 fhCutCorrelation ->SetLineColor(color);
911 fhCutStatistics ->SetLineWidth(2);
912 fhCutCorrelation ->SetLineWidth(2);
913
73318471 914 for (Int_t i=0; i<2; i++) {
524916f0 915 fhNClustersITS[i] = new TH1F("nClustersITS" ,"",8,-0.5,7.5);
916 fhNClustersTPC[i] = new TH1F("nClustersTPC" ,"",165,-0.5,164.5);
917 fhChi2PerClusterITS[i] = new TH1F("chi2PerClusterITS","",500,0,10);
918 fhChi2PerClusterTPC[i] = new TH1F("chi2PerClusterTPC","",500,0,10);
919
920 fhC11[i] = new TH1F("covMatrixDiagonal11","",2000,0,20);
921 fhC22[i] = new TH1F("covMatrixDiagonal22","",2000,0,20);
0f712a2e 922 fhC33[i] = new TH1F("covMatrixDiagonal33","",1000,0,0.1);
923 fhC44[i] = new TH1F("covMatrixDiagonal44","",1000,0,0.1);
524916f0 924 fhC55[i] = new TH1F("covMatrixDiagonal55","",1000,0,5);
925
926 fhDXY[i] = new TH1F("dXY" ,"",500,-10,10);
927 fhDZ[i] = new TH1F("dZ" ,"",500,-10,10);
928 fhDXYDZ[i] = new TH1F("dXYDZ" ,"",500,0,10);
929 fhDXYvsDZ[i] = new TH2F("dXYvsDZ","",200,-10,10,200,-10,10);
930
931 fhDXYNormalized[i] = new TH1F("dXYNormalized" ,"",500,-10,10);
932 fhDZNormalized[i] = new TH1F("dZNormalized" ,"",500,-10,10);
933 fhDXYvsDZNormalized[i] = new TH2F("dXYvsDZNormalized","",200,-10,10,200,-10,10);
934
935 fhNSigmaToVertex[i] = new TH1F("nSigmaToVertex","",500,0,10);
936
937 fhPt[i] = new TH1F("pt" ,"p_{T} distribution;p_{T} (GeV/c)",500,0.0,100.0);
938 fhEta[i] = new TH1F("eta" ,"#eta distribution;#eta",40,-2.0,2.0);
73318471 939
940 fhNClustersITS[i]->SetTitle("n ITS clusters");
941 fhNClustersTPC[i]->SetTitle("n TPC clusters");
942 fhChi2PerClusterITS[i]->SetTitle("#Chi^{2} per ITS cluster");
943 fhChi2PerClusterTPC[i]->SetTitle("#Chi^{2} per TPC cluster");
944
945 fhC11[i]->SetTitle("cov 11 : #sigma_{y}^{2} [cm^{2}]");
946 fhC22[i]->SetTitle("cov 22 : #sigma_{z}^{2} [cm^{2}]");
947 fhC33[i]->SetTitle("cov 33 : #sigma_{sin(#phi)}^{2}");
948 fhC44[i]->SetTitle("cov 44 : #sigma_{tan(#theta_{dip})}^{2}");
949 fhC55[i]->SetTitle("cov 55 : #sigma_{1/p_{T}}^{2} [(c/GeV)^2]");
950
951 fhDXY[i]->SetTitle("transverse impact parameter");
952 fhDZ[i]->SetTitle("longitudinal impact parameter");
524916f0 953 fhDXYDZ[i]->SetTitle("absolute impact parameter;sqrt(dXY**2 + dZ**2) in cm");
954 fhDXYvsDZ[i]->SetXTitle("longitudinal impact parameter");
73318471 955 fhDXYvsDZ[i]->SetYTitle("transverse impact parameter");
956
957 fhDXYNormalized[i]->SetTitle("normalized trans impact par");
958 fhDZNormalized[i]->SetTitle("normalized long impact par");
959 fhDXYvsDZNormalized[i]->SetTitle("normalized long impact par");
960 fhDXYvsDZNormalized[i]->SetYTitle("normalized trans impact par");
961 fhNSigmaToVertex[i]->SetTitle("n #sigma to vertex");
962
963 fhNClustersITS[i]->SetLineColor(color); fhNClustersITS[i]->SetLineWidth(2);
964 fhNClustersTPC[i]->SetLineColor(color); fhNClustersTPC[i]->SetLineWidth(2);
965 fhChi2PerClusterITS[i]->SetLineColor(color); fhChi2PerClusterITS[i]->SetLineWidth(2);
966 fhChi2PerClusterTPC[i]->SetLineColor(color); fhChi2PerClusterTPC[i]->SetLineWidth(2);
967
968 fhC11[i]->SetLineColor(color); fhC11[i]->SetLineWidth(2);
969 fhC22[i]->SetLineColor(color); fhC22[i]->SetLineWidth(2);
970 fhC33[i]->SetLineColor(color); fhC33[i]->SetLineWidth(2);
971 fhC44[i]->SetLineColor(color); fhC44[i]->SetLineWidth(2);
972 fhC55[i]->SetLineColor(color); fhC55[i]->SetLineWidth(2);
973
974 fhDXY[i]->SetLineColor(color); fhDXY[i]->SetLineWidth(2);
524916f0 975 fhDZ[i]->SetLineColor(color); fhDZ[i]->SetLineWidth(2);
976 fhDXYDZ[i]->SetLineColor(color); fhDXYDZ[i]->SetLineWidth(2);
73318471 977
978 fhDXYNormalized[i]->SetLineColor(color); fhDXYNormalized[i]->SetLineWidth(2);
979 fhDZNormalized[i]->SetLineColor(color); fhDZNormalized[i]->SetLineWidth(2);
980 fhNSigmaToVertex[i]->SetLineColor(color); fhNSigmaToVertex[i]->SetLineWidth(2);
981 }
982
983 // The number of sigmas to the vertex is per definition gaussian
984 ffDTheoretical = new TF1("nSigmaToVertexTheoretical","([0]/2.506628274)*exp(-(x**2)/2)",0,50);
985 ffDTheoretical->SetParameter(0,1);
524916f0 986
73318471 987 TH1::AddDirectory(oldStatus);
988}
989
990//____________________________________________________________________
991Bool_t AliESDtrackCuts::LoadHistograms(const Char_t* dir)
992{
993 //
994 // loads the histograms from a file
995 // if dir is empty a directory with the name of this object is taken (like in SaveHistogram)
996 //
997
998 if (!dir)
999 dir = GetName();
1000
1001 if (!gDirectory->cd(dir))
1002 return kFALSE;
1003
1004 ffDTheoretical = dynamic_cast<TF1*> (gDirectory->Get("nSigmaToVertexTheory"));
1005
1006 fhCutStatistics = dynamic_cast<TH1F*> (gDirectory->Get("cut_statistics"));
1007 fhCutCorrelation = dynamic_cast<TH2F*> (gDirectory->Get("cut_correlation"));
1008
73318471 1009 for (Int_t i=0; i<2; i++) {
1010 if (i==0)
1011 {
1012 gDirectory->cd("before_cuts");
73318471 1013 }
1014 else
73318471 1015 gDirectory->cd("after_cuts");
73318471 1016
524916f0 1017 fhNClustersITS[i] = dynamic_cast<TH1F*> (gDirectory->Get("nClustersITS" ));
1018 fhNClustersTPC[i] = dynamic_cast<TH1F*> (gDirectory->Get("nClustersTPC" ));
1019 fhChi2PerClusterITS[i] = dynamic_cast<TH1F*> (gDirectory->Get("chi2PerClusterITS"));
1020 fhChi2PerClusterTPC[i] = dynamic_cast<TH1F*> (gDirectory->Get("chi2PerClusterTPC"));
73318471 1021
524916f0 1022 fhC11[i] = dynamic_cast<TH1F*> (gDirectory->Get("covMatrixDiagonal11"));
1023 fhC22[i] = dynamic_cast<TH1F*> (gDirectory->Get("covMatrixDiagonal22"));
1024 fhC33[i] = dynamic_cast<TH1F*> (gDirectory->Get("covMatrixDiagonal33"));
1025 fhC44[i] = dynamic_cast<TH1F*> (gDirectory->Get("covMatrixDiagonal44"));
1026 fhC55[i] = dynamic_cast<TH1F*> (gDirectory->Get("covMatrixDiagonal55"));
73318471 1027
524916f0 1028 fhDXY[i] = dynamic_cast<TH1F*> (gDirectory->Get("dXY" ));
1029 fhDZ[i] = dynamic_cast<TH1F*> (gDirectory->Get("dZ" ));
1030 fhDXYDZ[i] = dynamic_cast<TH1F*> (gDirectory->Get("dXYDZ"));
1031 fhDXYvsDZ[i] = dynamic_cast<TH2F*> (gDirectory->Get("dXYvsDZ"));
73318471 1032
524916f0 1033 fhDXYNormalized[i] = dynamic_cast<TH1F*> (gDirectory->Get("dXYNormalized" ));
1034 fhDZNormalized[i] = dynamic_cast<TH1F*> (gDirectory->Get("dZNormalized" ));
1035 fhDXYvsDZNormalized[i] = dynamic_cast<TH2F*> (gDirectory->Get("dXYvsDZNormalized"));
1036 fhNSigmaToVertex[i] = dynamic_cast<TH1F*> (gDirectory->Get("nSigmaToVertex"));
73318471 1037
524916f0 1038 fhPt[i] = dynamic_cast<TH1F*> (gDirectory->Get("pt"));
1039 fhEta[i] = dynamic_cast<TH1F*> (gDirectory->Get("eta"));
73318471 1040
1041 gDirectory->cd("../");
1042 }
1043
1044 gDirectory->cd("..");
1045
1046 return kTRUE;
1047}
1048
1049//____________________________________________________________________
1050void AliESDtrackCuts::SaveHistograms(const Char_t* dir) {
1051 //
1052 // saves the histograms in a directory (dir)
1053 //
1054
1055 if (!fHistogramsOn) {
1056 AliDebug(0, "Histograms not on - cannot save histograms!!!");
1057 return;
1058 }
1059
1060 if (!dir)
1061 dir = GetName();
1062
1063 gDirectory->mkdir(dir);
1064 gDirectory->cd(dir);
1065
1066 gDirectory->mkdir("before_cuts");
1067 gDirectory->mkdir("after_cuts");
1068
1069 // a factor of 2 is needed since n sigma is positive
1070 ffDTheoretical->SetParameter(0,2*fhNSigmaToVertex[0]->Integral("width"));
1071 ffDTheoretical->Write("nSigmaToVertexTheory");
1072
1073 fhCutStatistics->Write();
1074 fhCutCorrelation->Write();
1075
1076 for (Int_t i=0; i<2; i++) {
1077 if (i==0)
1078 gDirectory->cd("before_cuts");
1079 else
1080 gDirectory->cd("after_cuts");
1081
1082 fhNClustersITS[i] ->Write();
1083 fhNClustersTPC[i] ->Write();
1084 fhChi2PerClusterITS[i] ->Write();
1085 fhChi2PerClusterTPC[i] ->Write();
1086
1087 fhC11[i] ->Write();
1088 fhC22[i] ->Write();
1089 fhC33[i] ->Write();
1090 fhC44[i] ->Write();
1091 fhC55[i] ->Write();
1092
1093 fhDXY[i] ->Write();
1094 fhDZ[i] ->Write();
524916f0 1095 fhDXYDZ[i] ->Write();
73318471 1096 fhDXYvsDZ[i] ->Write();
1097
1098 fhDXYNormalized[i] ->Write();
1099 fhDZNormalized[i] ->Write();
1100 fhDXYvsDZNormalized[i] ->Write();
1101 fhNSigmaToVertex[i] ->Write();
1102
1103 fhPt[i] ->Write();
1104 fhEta[i] ->Write();
1105
1106 gDirectory->cd("../");
1107 }
1108
1109 gDirectory->cd("../");
1110}
1111
1112//____________________________________________________________________
1113void AliESDtrackCuts::DrawHistograms()
1114{
1115 // draws some histograms
1116
1117 TCanvas* canvas1 = new TCanvas(Form("%s_1", GetName()), "Track Quality Results1", 800, 800);
1118 canvas1->Divide(2, 2);
1119
1120 canvas1->cd(1);
1121 fhNClustersTPC[0]->SetStats(kFALSE);
1122 fhNClustersTPC[0]->Draw();
1123
1124 canvas1->cd(2);
1125 fhChi2PerClusterTPC[0]->SetStats(kFALSE);
1126 fhChi2PerClusterTPC[0]->Draw();
1127
1128 canvas1->cd(3);
1129 fhNSigmaToVertex[0]->SetStats(kFALSE);
1130 fhNSigmaToVertex[0]->GetXaxis()->SetRangeUser(0, 10);
1131 fhNSigmaToVertex[0]->Draw();
1132
1133 canvas1->SaveAs(Form("%s_%s.gif", GetName(), canvas1->GetName()));
1134
1135 TCanvas* canvas2 = new TCanvas(Form("%s_2", GetName()), "Track Quality Results2", 1200, 800);
1136 canvas2->Divide(3, 2);
1137
1138 canvas2->cd(1);
1139 fhC11[0]->SetStats(kFALSE);
1140 gPad->SetLogy();
1141 fhC11[0]->Draw();
1142
1143 canvas2->cd(2);
1144 fhC22[0]->SetStats(kFALSE);
1145 gPad->SetLogy();
1146 fhC22[0]->Draw();
1147
1148 canvas2->cd(3);
1149 fhC33[0]->SetStats(kFALSE);
1150 gPad->SetLogy();
1151 fhC33[0]->Draw();
1152
1153 canvas2->cd(4);
1154 fhC44[0]->SetStats(kFALSE);
1155 gPad->SetLogy();
1156 fhC44[0]->Draw();
1157
1158 canvas2->cd(5);
1159 fhC55[0]->SetStats(kFALSE);
1160 gPad->SetLogy();
1161 fhC55[0]->Draw();
1162
1163 canvas2->SaveAs(Form("%s_%s.gif", GetName(), canvas2->GetName()));
1164
1165 TCanvas* canvas3 = new TCanvas(Form("%s_3", GetName()), "Track Quality Results3", 1200, 800);
1166 canvas3->Divide(3, 2);
1167
1168 canvas3->cd(1);
1169 fhDXY[0]->SetStats(kFALSE);
1170 gPad->SetLogy();
1171 fhDXY[0]->Draw();
1172
1173 canvas3->cd(2);
1174 fhDZ[0]->SetStats(kFALSE);
1175 gPad->SetLogy();
1176 fhDZ[0]->Draw();
1177
1178 canvas3->cd(3);
1179 fhDXYvsDZ[0]->SetStats(kFALSE);
1180 gPad->SetLogz();
1181 gPad->SetRightMargin(0.15);
1182 fhDXYvsDZ[0]->Draw("COLZ");
1183
1184 canvas3->cd(4);
1185 fhDXYNormalized[0]->SetStats(kFALSE);
1186 gPad->SetLogy();
1187 fhDXYNormalized[0]->Draw();
1188
1189 canvas3->cd(5);
1190 fhDZNormalized[0]->SetStats(kFALSE);
1191 gPad->SetLogy();
1192 fhDZNormalized[0]->Draw();
1193
1194 canvas3->cd(6);
1195 fhDXYvsDZNormalized[0]->SetStats(kFALSE);
1196 gPad->SetLogz();
1197 gPad->SetRightMargin(0.15);
1198 fhDXYvsDZNormalized[0]->Draw("COLZ");
1199
1200 canvas3->SaveAs(Form("%s_%s.gif", GetName(), canvas3->GetName()));
1201
1202 TCanvas* canvas4 = new TCanvas(Form("%s_4", GetName()), "Track Quality Results4", 800, 500);
1203 canvas4->Divide(2, 1);
1204
1205 canvas4->cd(1);
1206 fhCutStatistics->SetStats(kFALSE);
1207 fhCutStatistics->LabelsOption("v");
1208 gPad->SetBottomMargin(0.3);
1209 fhCutStatistics->Draw();
1210
1211 canvas4->cd(2);
1212 fhCutCorrelation->SetStats(kFALSE);
1213 fhCutCorrelation->LabelsOption("v");
1214 gPad->SetBottomMargin(0.3);
1215 gPad->SetLeftMargin(0.3);
1216 fhCutCorrelation->Draw("COLZ");
1217
1218 canvas4->SaveAs(Form("%s_%s.gif", GetName(), canvas4->GetName()));
1219
1220 /*canvas->cd(1);
1221 fhDXYvsDZNormalized[0]->SetStats(kFALSE);
1222 fhDXYvsDZNormalized[0]->DrawCopy("COLZ");
1223
1224 canvas->cd(2);
1225 fhNClustersTPC[0]->SetStats(kFALSE);
1226 fhNClustersTPC[0]->DrawCopy();
1227
1228 canvas->cd(3);
1229 fhChi2PerClusterITS[0]->SetStats(kFALSE);
1230 fhChi2PerClusterITS[0]->DrawCopy();
1231 fhChi2PerClusterITS[1]->SetLineColor(2);
1232 fhChi2PerClusterITS[1]->DrawCopy("SAME");
1233
1234 canvas->cd(4);
1235 fhChi2PerClusterTPC[0]->SetStats(kFALSE);
1236 fhChi2PerClusterTPC[0]->DrawCopy();
1237 fhChi2PerClusterTPC[1]->SetLineColor(2);
1238 fhChi2PerClusterTPC[1]->DrawCopy("SAME");*/
1239}
1240
94c06b89 1241Float_t AliESDtrackCuts::GetMinNsigmaToVertex() const
1242{
1243 // deprecated, please use GetMaxNsigmaToVertex
1244
1245 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.");
1246
1247 return GetMaxNsigmaToVertex();
1248}
1249
1250void AliESDtrackCuts::SetMinNsigmaToVertex(Float_t sigma)
1251{
1252 // deprecated, will be removed in next release
1253
1254 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.");
1255
1256 SetMaxNsigmaToVertex(sigma);
1257}
1258
1259void AliESDtrackCuts::SetDCAToVertex(Float_t dist)
1260{
1261 // deprecated, will be removed in next release
1262
1263 Printf("WARNING: AliESDtrackCuts::SetDCAToVertex is DEPRECATED and will be removed in the next release. Please use SetMaxDCAToVertex instead. Renaming was done to improve code readability.");
1264
1265 SetMaxDCAToVertex(dist);
1266}
1267
1268void AliESDtrackCuts::SetDCAToVertexXY(Float_t dist)
1269{
1270 // deprecated, will be removed in next release
1271
1272 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.");
1273
1274 SetMaxDCAToVertexXY(dist);
1275}
1276
1277void AliESDtrackCuts::SetDCAToVertexZ(Float_t dist)
1278{
1279 // deprecated, will be removed in next release
1280
1281 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.");
1282
1283 SetMaxDCAToVertexZ(dist);
1284}