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94b50f5f | 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: AliESDv0Cuts.cxx 24534 2008-03-16 22:22:11Z fca $ */ | |
17 | ||
18 | #include "AliESDv0Cuts.h" | |
19 | ||
20 | #include <AliESDVertex.h> | |
21 | #include <AliESDtrack.h> | |
22 | #include <AliESDv0.h> | |
23 | #include <AliESD.h> | |
24 | #include <AliESDEvent.h> | |
25 | #include <AliLog.h> | |
26 | ||
27 | #include <TTree.h> | |
28 | #include <TCanvas.h> | |
29 | #include <TDirectory.h> | |
30 | ||
31 | //____________________________________________________________________ | |
32 | ClassImp(AliESDv0Cuts) | |
33 | ||
34 | // Cut names | |
35 | const Char_t* AliESDv0Cuts::fgkCutNames[kNCuts] = { | |
36 | "dca positive to pvtx", | |
37 | "dca negative to pvtx", | |
38 | "#Chi^{2}", | |
39 | "dca v0 daughters", | |
40 | "min decay radius", | |
41 | "max decay radius", | |
42 | "cosine pointing angle", | |
43 | "on-the-fly status", | |
44 | "dca v0 to pvtx", | |
45 | "p", | |
46 | "p_{T}", | |
47 | "p_{x}", | |
48 | "p_{y}", | |
49 | "p_{z}" | |
50 | }; | |
51 | ||
52 | //____________________________________________________________________ | |
53 | AliESDv0Cuts::AliESDv0Cuts(const Char_t* name, const Char_t* title) : AliAnalysisCuts(name,title), | |
54 | fCutMinDcaPosToVertex(0), | |
55 | fCutMinDcaNegToVertex(0), | |
56 | fCutMaxChi2(40), | |
57 | fCutMaxDcaV0Daughters(0), | |
58 | fCutMinRadius(0), | |
59 | fCutMaxRadius(0), | |
60 | fCutMinCosinePointingAngle(0), | |
61 | fCutRequireOnFlyStatus(0), | |
62 | fCutMaxDcaV0ToVertex(0), | |
63 | fPMin(0), | |
64 | fPMax(0), | |
65 | fPtMin(0), | |
66 | fPtMax(0), | |
67 | fPxMin(0), | |
68 | fPxMax(0), | |
69 | fPyMin(0), | |
70 | fPyMax(0), | |
71 | fPzMin(0), | |
72 | fPzMax(0), | |
73 | fHistogramsOn(0), | |
74 | fhCutStatistics(0), | |
75 | fhCutCorrelation(0) | |
76 | { | |
77 | // | |
78 | // constructor | |
79 | // | |
80 | ||
81 | Init(); | |
82 | ||
83 | //############################################################################## | |
84 | // setting default cuts | |
85 | SetMinDcaPosToVertex(); | |
86 | SetMinDcaNegToVertex(); | |
87 | SetMaxChi2(); | |
88 | SetMaxDcaV0Daughters(); | |
89 | SetMinRadius(); | |
90 | SetMaxRadius(); | |
91 | SetMinCosinePointingAngle(); | |
92 | SetRequireOnFlyStatus(); | |
93 | SetMaxDcaV0ToVertex(); | |
94 | SetPRange(); | |
95 | SetPtRange(); | |
96 | SetPxRange(); | |
97 | SetPyRange(); | |
98 | SetPzRange(); | |
99 | ||
100 | SetHistogramsOn(); | |
101 | } | |
102 | ||
103 | //_____________________________________________________________________________ | |
104 | AliESDv0Cuts::AliESDv0Cuts(const AliESDv0Cuts &c) : AliAnalysisCuts(c), | |
105 | fCutMinDcaPosToVertex(0), | |
106 | fCutMinDcaNegToVertex(0), | |
107 | fCutMaxChi2(0), | |
108 | fCutMaxDcaV0Daughters(0), | |
109 | fCutMinRadius(0), | |
110 | fCutMaxRadius(0), | |
111 | fCutMinCosinePointingAngle(0), | |
112 | fCutRequireOnFlyStatus(0), | |
113 | fCutMaxDcaV0ToVertex(0), | |
114 | fPMin(0), | |
115 | fPMax(0), | |
116 | fPtMin(0), | |
117 | fPtMax(0), | |
118 | fPxMin(0), | |
119 | fPxMax(0), | |
120 | fPyMin(0), | |
121 | fPyMax(0), | |
122 | fPzMin(0), | |
123 | fPzMax(0), | |
124 | fHistogramsOn(0), | |
125 | fhCutStatistics(0), | |
126 | fhCutCorrelation(0) | |
127 | { | |
128 | // | |
129 | // copy constructor | |
130 | // | |
131 | ||
132 | ((AliESDv0Cuts &) c).Copy(*this); | |
133 | } | |
134 | ||
135 | AliESDv0Cuts::~AliESDv0Cuts() | |
136 | { | |
137 | // | |
138 | // destructor | |
139 | // | |
140 | ||
141 | for (Int_t i=0; i<2; i++) { | |
142 | ||
143 | if (fhDcaPosToVertex[i]) | |
144 | delete fhDcaPosToVertex[i]; | |
145 | if (fhDcaNegToVertex[i]) | |
146 | delete fhDcaNegToVertex[i]; | |
147 | if (fhChi2[i]) | |
148 | delete fhChi2[i]; | |
149 | if (fhDcaV0Daughters[i]) | |
150 | delete fhDcaV0Daughters[i]; | |
151 | if (fhRadius[i]) | |
152 | delete fhRadius[i]; | |
153 | if (fhCosinePointingAngle[i]) | |
154 | delete fhCosinePointingAngle[i]; | |
155 | if (fhOnFlyStatus[i]) | |
156 | delete fhOnFlyStatus[i]; | |
157 | if (fhDcaV0ToVertex[i]) | |
158 | delete fhDcaV0ToVertex[i]; | |
159 | if (fhPt[i]) | |
160 | delete fhPt[i]; | |
161 | } | |
162 | ||
163 | if (fhCutStatistics) | |
164 | delete fhCutStatistics; | |
165 | if (fhCutCorrelation) | |
166 | delete fhCutCorrelation; | |
167 | } | |
168 | ||
169 | void AliESDv0Cuts::Init() | |
170 | { | |
171 | // | |
172 | // sets everything to zero | |
173 | // | |
174 | fCutMinDcaPosToVertex = 0; | |
175 | fCutMinDcaNegToVertex = 0; | |
176 | fCutMaxChi2 = 0; | |
177 | fCutMaxDcaV0Daughters = 0; | |
178 | fCutMinRadius = 0; | |
179 | fCutMaxRadius = 0; | |
180 | fCutMinCosinePointingAngle = 0; | |
181 | fCutRequireOnFlyStatus = 0; | |
182 | fCutMaxDcaV0ToVertex = 0; | |
183 | ||
184 | fPMin = 0; | |
185 | fPMax = 0; | |
186 | fPtMin = 0; | |
187 | fPtMax = 0; | |
188 | fPxMin = 0; | |
189 | fPxMax = 0; | |
190 | fPyMin = 0; | |
191 | fPyMax = 0; | |
192 | fPzMin = 0; | |
193 | fPzMax = 0; | |
194 | ||
195 | fHistogramsOn = kFALSE; | |
196 | ||
197 | for (Int_t i=0; i<2; ++i) | |
198 | { | |
199 | fhDcaPosToVertex[i] = 0; | |
200 | fhDcaNegToVertex[i] = 0; | |
201 | fhChi2[i] = 0; | |
202 | fhDcaV0Daughters[i] = 0; | |
203 | fhRadius[i] = 0; | |
204 | fhCosinePointingAngle[i] = 0; | |
205 | fhOnFlyStatus[i] = 0; | |
206 | fhDcaV0ToVertex[i] = 0; | |
207 | ||
208 | fhPt[i] = 0; | |
209 | } | |
210 | fhCutStatistics = 0; | |
211 | fhCutCorrelation = 0; | |
212 | } | |
213 | ||
214 | //_____________________________________________________________________________ | |
215 | AliESDv0Cuts &AliESDv0Cuts::operator=(const AliESDv0Cuts &c) | |
216 | { | |
217 | // | |
218 | // Assignment operator | |
219 | // | |
220 | ||
221 | if (this != &c) ((AliESDv0Cuts &) c).Copy(*this); | |
222 | return *this; | |
223 | } | |
224 | ||
225 | //_____________________________________________________________________________ | |
226 | void AliESDv0Cuts::Copy(TObject &c) const | |
227 | { | |
228 | // | |
229 | // Copy function | |
230 | // | |
231 | ||
232 | AliESDv0Cuts& target = (AliESDv0Cuts &) c; | |
233 | ||
234 | target.Init(); | |
235 | ||
236 | target.fCutMinDcaPosToVertex = fCutMinDcaPosToVertex; | |
237 | target.fCutMinDcaNegToVertex = fCutMinDcaNegToVertex; | |
238 | target.fCutMaxChi2 = fCutMaxChi2; | |
239 | target.fCutMaxDcaV0Daughters = fCutMaxDcaV0Daughters; | |
240 | target.fCutMinRadius = fCutMinRadius; | |
241 | target.fCutMaxRadius = fCutMaxRadius; | |
242 | target.fCutMinCosinePointingAngle = fCutMinCosinePointingAngle; | |
243 | target.fCutRequireOnFlyStatus = fCutRequireOnFlyStatus; | |
244 | target.fCutMaxDcaV0ToVertex = fCutMaxDcaV0ToVertex; | |
245 | ||
246 | target.fPMin = fPMin; | |
247 | target.fPMax = fPMax; | |
248 | target.fPtMin = fPtMin; | |
249 | target.fPtMax = fPtMax; | |
250 | target.fPxMin = fPxMin; | |
251 | target.fPxMax = fPxMax; | |
252 | target.fPyMin = fPyMin; | |
253 | target.fPyMax = fPyMax; | |
254 | target.fPzMin = fPzMin; | |
255 | target.fPzMax = fPzMax; | |
256 | ||
257 | target.fHistogramsOn = fHistogramsOn; | |
258 | ||
259 | for (Int_t i=0; i<2; ++i) | |
260 | { | |
261 | if (fhDcaPosToVertex[i]) target.fhDcaPosToVertex[i] = (TH1F*) fhDcaPosToVertex[i]->Clone(); | |
262 | if (fhDcaNegToVertex[i]) target.fhDcaNegToVertex[i] = (TH1F*) fhDcaNegToVertex[i]->Clone(); | |
263 | if (fhChi2[i]) target.fhChi2[i] = (TH1F*) fhChi2[i]->Clone(); | |
264 | if (fhDcaV0Daughters[i]) target.fhDcaV0Daughters[i] = (TH1F*) fhDcaV0Daughters[i]->Clone(); | |
265 | if (fhRadius[i]) target.fhRadius[i] = (TH1F*) fhRadius[i]->Clone(); | |
266 | if (fhCosinePointingAngle[i]) target.fhCosinePointingAngle[i] = (TH1F*) fhCosinePointingAngle[i]->Clone(); | |
267 | if (fhOnFlyStatus[i]) target.fhOnFlyStatus[i] = (TH1F*) fhOnFlyStatus[i]->Clone(); | |
268 | if (fhDcaV0ToVertex[i]) target.fhDcaV0ToVertex[i] = (TH1F*) fhDcaV0ToVertex[i]->Clone(); | |
269 | ||
270 | if (fhPt[i]) target.fhPt[i] = (TH1F*) fhPt[i]->Clone(); | |
271 | } | |
272 | if (fhCutStatistics) target.fhCutStatistics = (TH1F*) fhCutStatistics->Clone(); | |
273 | if (fhCutCorrelation) target.fhCutCorrelation = (TH2F*) fhCutCorrelation->Clone(); | |
274 | ||
275 | TNamed::Copy(c); | |
276 | } | |
277 | ||
278 | //_____________________________________________________________________________ | |
279 | Long64_t AliESDv0Cuts::Merge(TCollection* list) { | |
280 | // Merge a list of AliESDv0Cuts objects with this (needed for PROOF) | |
281 | // Returns the number of merged objects (including this) | |
282 | ||
283 | if (!list) | |
284 | return 0; | |
285 | ||
286 | if (list->IsEmpty()) | |
287 | return 1; | |
288 | ||
289 | if (!fHistogramsOn) | |
290 | return 0; | |
291 | ||
292 | TIterator* iter = list->MakeIterator(); | |
293 | TObject* obj; | |
294 | ||
295 | ||
296 | // collection of measured and generated histograms | |
297 | Int_t count = 0; | |
298 | while ((obj = iter->Next())) { | |
299 | ||
300 | AliESDv0Cuts* entry = dynamic_cast<AliESDv0Cuts*>(obj); | |
301 | if (entry == 0) | |
302 | continue; | |
303 | ||
304 | if (!entry->fHistogramsOn) | |
305 | continue; | |
306 | ||
307 | for (Int_t i=0; i<2; i++) { | |
308 | ||
309 | fhDcaPosToVertex[i] ->Add(entry->fhDcaPosToVertex[i] ); | |
310 | fhDcaNegToVertex[i] ->Add(entry->fhDcaNegToVertex[i] ); | |
311 | fhChi2[i] ->Add(entry->fhChi2[i] ); | |
312 | fhDcaV0Daughters[i] ->Add(entry->fhDcaV0Daughters[i] ); | |
313 | fhRadius[i] ->Add(entry->fhRadius[i] ); | |
314 | fhCosinePointingAngle[i]->Add(entry->fhCosinePointingAngle[i]); | |
315 | fhOnFlyStatus[i] ->Add(entry->fhOnFlyStatus[i] ); | |
316 | fhDcaV0ToVertex[i] ->Add(entry->fhDcaV0ToVertex[i] ); | |
317 | ||
318 | fhPt[i] ->Add(entry->fhPt[i]); | |
319 | } | |
320 | fhCutStatistics ->Add(entry->fhCutStatistics); | |
321 | fhCutCorrelation ->Add(entry->fhCutCorrelation); | |
322 | ||
323 | count++; | |
324 | } | |
325 | ||
326 | return count+1; | |
327 | } | |
328 | ||
329 | void AliESDv0Cuts::EnableNeededBranches(TTree* tree) | |
330 | { | |
331 | // enables the branches needed by AcceptV0, for a list see comment of AcceptV0 | |
332 | ||
333 | tree->SetBranchStatus("fV0s.fDcaV0Daughters", 1); | |
334 | tree->SetBranchStatus("fV0s.fChi2V0", 1); | |
335 | tree->SetBranchStatus("fV0s.fPos*", 1); | |
336 | tree->SetBranchStatus("fV0s.fNmom*", 1); | |
337 | tree->SetBranchStatus("fV0s.fPmom*", 1); | |
338 | tree->SetBranchStatus("fV0s.fRr", 1); | |
339 | tree->SetBranchStatus("fV0s.fPointAngle*", 1); | |
340 | tree->SetBranchStatus("fV0s.fOnFlyStatus", 1); | |
341 | } | |
342 | ||
343 | //____________________________________________________________________ | |
344 | Bool_t | |
345 | AliESDv0Cuts::IsSelected(TList* listObj) { | |
f690bf48 | 346 | // Selection cuts |
94b50f5f | 347 | if(listObj->GetSize()!=4) return kFALSE; |
348 | AliESDv0 *esdV0 = (AliESDv0*)listObj->At(0); | |
349 | AliESDtrack *trackPos = (AliESDtrack*)listObj->At(1); | |
350 | AliESDtrack *trackNeg = (AliESDtrack*)listObj->At(2); | |
351 | const AliESDVertex *esdVertex = (AliESDVertex*)listObj->At(3); | |
352 | return AcceptV0(esdV0,trackPos,trackNeg,esdVertex); | |
353 | } | |
354 | ||
355 | //____________________________________________________________________ | |
356 | Bool_t | |
f690bf48 | 357 | AliESDv0Cuts::AcceptV0(AliESDv0* const esdV0, AliESDtrack* const trackPos, AliESDtrack* const trackNeg, const AliESDVertex* esdVertex) { |
94b50f5f | 358 | // |
359 | // figure out if the v0s survives all the v0 cuts defined | |
360 | // | |
361 | // the different quality parameter and kinematic values are first | |
362 | // retrieved from the v0. then it is found out what cuts the | |
363 | // v0 did not survive and finally the cuts are imposed. | |
364 | ||
365 | // this function needs the following branches... but this is not enough | |
366 | // fV0s.fDcaV0Daughters | |
367 | // fV0s.fChi2V0 | |
368 | // fV0s.fPos* | |
369 | // fV0s.fNmom* | |
370 | // fV0s.fPmom* | |
371 | // fV0s.fRr | |
372 | // fV0s.fPointAngle | |
373 | // fV0s.fOnFlyStatus | |
374 | ||
375 | Float_t dcaPosToVertex = 0, dcaNegToVertex = 0; | |
dd7faf60 | 376 | Float_t tdcaPosToVertex[2]={999,999}; |
377 | Float_t tdcaNegToVertex[2]={999,999}; | |
94b50f5f | 378 | |
379 | if (trackPos) trackPos->GetImpactParameters(tdcaPosToVertex[0],tdcaPosToVertex[1]); | |
380 | if (trackNeg) trackNeg->GetImpactParameters(tdcaNegToVertex[0],tdcaNegToVertex[1]); | |
381 | ||
382 | dcaPosToVertex = TMath::Sqrt(tdcaPosToVertex[0]*tdcaPosToVertex[0]+tdcaPosToVertex[1]*tdcaPosToVertex[1]); | |
383 | dcaNegToVertex = TMath::Sqrt(tdcaNegToVertex[0]*tdcaNegToVertex[0]+tdcaNegToVertex[1]*tdcaNegToVertex[1]); | |
384 | ||
385 | UInt_t status = esdV0->GetOnFlyStatus(); | |
386 | Float_t chi2 = esdV0->GetChi2V0(); | |
387 | ||
388 | Double_t dcaV0Daughters = esdV0->GetDcaV0Daughters(); | |
389 | ||
390 | Double_t vtxPosition[3]; esdVertex->GetXYZ(vtxPosition); | |
391 | Double_t dcaV0ToVertex = esdV0->GetD(vtxPosition[0],vtxPosition[1],vtxPosition[2]); | |
392 | ||
393 | Double_t v0Position[3]; | |
394 | esdV0->GetXYZ(v0Position[0],v0Position[1],v0Position[2]); | |
395 | Double_t radius = TMath::Sqrt(TMath::Power(v0Position[0],2) + TMath::Power(v0Position[1],2)); | |
396 | Double_t v0CosinePointingAngle = esdV0->GetV0CosineOfPointingAngle(); | |
397 | ||
398 | // getting the kinematic variables of the v0 | |
399 | Double_t p[3]; | |
400 | esdV0->GetPxPyPz(p[0],p[1],p[2]); | |
401 | Float_t momentum = TMath::Sqrt(TMath::Power(p[0],2) + TMath::Power(p[1],2) + TMath::Power(p[2],2)); | |
402 | Float_t pt = TMath::Sqrt(TMath::Power(p[0],2) + TMath::Power(p[1],2)); | |
403 | ||
404 | //######################################################################## | |
405 | // cut the v0? | |
406 | ||
407 | Bool_t cuts[kNCuts]; | |
408 | for (Int_t i=0; i<kNCuts; i++) cuts[i]=kFALSE; | |
409 | ||
410 | // v0 quality cuts | |
411 | if (dcaPosToVertex < fCutMinDcaPosToVertex) | |
412 | cuts[0]=kTRUE; | |
413 | if (dcaNegToVertex < fCutMinDcaNegToVertex) | |
414 | cuts[1]=kTRUE; | |
415 | if (chi2 > fCutMaxChi2) | |
416 | cuts[2]=kTRUE; | |
417 | if (dcaV0Daughters > fCutMaxDcaV0Daughters) | |
418 | cuts[3]=kTRUE; | |
419 | if (radius < fCutMinRadius) | |
420 | cuts[4]=kTRUE; | |
421 | if (radius > fCutMaxRadius) | |
422 | cuts[5]=kTRUE; | |
423 | if (v0CosinePointingAngle < fCutMinCosinePointingAngle) | |
424 | cuts[6]=kTRUE; | |
425 | if (fCutRequireOnFlyStatus && !status) | |
426 | cuts[7]=kTRUE; | |
427 | if (dcaV0ToVertex > fCutMaxDcaV0ToVertex) | |
428 | cuts[8] = kTRUE; | |
429 | ||
430 | // v0 kinematics cut | |
431 | if((momentum < fPMin) || (momentum > fPMax)) | |
432 | cuts[9]=kTRUE; | |
433 | if((pt < fPtMin) || (pt > fPtMax)) | |
434 | cuts[10] = kTRUE; | |
435 | if((p[0] < fPxMin) || (p[0] > fPxMax)) | |
436 | cuts[11] = kTRUE; | |
437 | if((p[1] < fPyMin) || (p[1] > fPyMax)) | |
438 | cuts[12] = kTRUE; | |
439 | if((p[2] < fPzMin) || (p[2] > fPzMax)) | |
440 | cuts[13] = kTRUE; | |
441 | ||
442 | Bool_t cut=kFALSE; | |
443 | for (Int_t i=0; i<kNCuts; i++) | |
444 | if (cuts[i]) cut = kTRUE; | |
445 | ||
446 | //######################################################################## | |
447 | // filling histograms | |
448 | if (fHistogramsOn) { | |
449 | fhCutStatistics->Fill(fhCutStatistics->GetBinCenter(fhCutStatistics->GetXaxis()->FindBin("n v0s"))); | |
450 | ||
451 | if (cut) | |
452 | fhCutStatistics->Fill(fhCutStatistics->GetBinCenter(fhCutStatistics->GetXaxis()->FindBin("n cut v0s"))); | |
453 | ||
454 | for (Int_t i=0; i<kNCuts; i++) { | |
455 | if (cuts[i]) | |
456 | fhCutStatistics->Fill(fhCutStatistics->GetBinCenter(fhCutStatistics->GetXaxis()->FindBin(fgkCutNames[i]))); | |
457 | ||
458 | for (Int_t j=i; j<kNCuts; j++) { | |
459 | if (cuts[i] && cuts[j]) { | |
460 | Float_t x = fhCutCorrelation->GetXaxis()->GetBinCenter(fhCutCorrelation->GetXaxis()->FindBin(fgkCutNames[i])); | |
461 | Float_t y = fhCutCorrelation->GetYaxis()->GetBinCenter(fhCutCorrelation->GetYaxis()->FindBin(fgkCutNames[j])); | |
462 | fhCutCorrelation->Fill(x,y); | |
463 | } | |
464 | } | |
465 | } | |
466 | ||
467 | fhDcaPosToVertex[0]->Fill(dcaPosToVertex); | |
468 | fhDcaNegToVertex[0]->Fill(dcaNegToVertex); | |
469 | fhChi2[0]->Fill(chi2); | |
470 | fhDcaV0Daughters[0]->Fill(dcaV0Daughters); | |
471 | fhRadius[0]->Fill(radius); | |
472 | fhCosinePointingAngle[0]->Fill(v0CosinePointingAngle); | |
473 | fhOnFlyStatus[0]->Fill(status); | |
474 | fhDcaV0ToVertex[0]->Fill(dcaV0ToVertex); | |
475 | ||
476 | fhPt[0]->Fill(pt); | |
477 | } | |
478 | ||
479 | //######################################################################## | |
480 | // cut the v0! | |
481 | if (cut) return kFALSE; | |
482 | ||
483 | //######################################################################## | |
484 | // filling histograms after cut | |
485 | if (fHistogramsOn) { | |
486 | fhDcaPosToVertex[1]->Fill(dcaPosToVertex); | |
487 | fhDcaNegToVertex[1]->Fill(dcaNegToVertex); | |
488 | fhChi2[1]->Fill(chi2); | |
489 | fhDcaV0Daughters[1]->Fill(dcaV0Daughters); | |
490 | fhRadius[1]->Fill(radius); | |
491 | fhCosinePointingAngle[1]->Fill(v0CosinePointingAngle); | |
492 | fhOnFlyStatus[1]->Fill(status); | |
493 | fhDcaV0ToVertex[1]->Fill(dcaV0ToVertex); | |
494 | ||
495 | fhPt[1]->Fill(pt); | |
496 | } | |
497 | ||
498 | return kTRUE; | |
499 | } | |
500 | ||
501 | //____________________________________________________________________ | |
f690bf48 | 502 | TObjArray* AliESDv0Cuts::GetAcceptedV0s(const AliESD* esd) |
94b50f5f | 503 | { |
504 | // | |
505 | // returns an array of all v0s that pass the cuts | |
506 | // | |
507 | ||
508 | TObjArray* acceptedV0s = new TObjArray(); | |
509 | // const AliESDVertex *spdVertex = esd->GetVertex(); | |
510 | const AliESDVertex *primaryVertex = esd->GetPrimaryVertex(); | |
511 | Int_t lIndexTrackPos = 0, lIndexTrackNeg = 0; | |
512 | ||
513 | // loop over esd v0s | |
514 | for (Int_t iV0 = 0; iV0 < esd->GetNumberOfV0s(); iV0++) { | |
515 | AliESDv0* v0 = esd->GetV0(iV0); | |
516 | ||
517 | lIndexTrackPos = TMath::Abs(v0->GetPindex()); | |
518 | lIndexTrackNeg = TMath::Abs(v0->GetNindex()); | |
519 | AliESDtrack *trackPos = esd->GetTrack(lIndexTrackPos); | |
520 | AliESDtrack *trackNeg = esd->GetTrack(lIndexTrackNeg); | |
521 | ||
522 | if (AcceptV0(v0,trackPos,trackNeg,primaryVertex)) | |
523 | acceptedV0s->Add(v0); | |
524 | } | |
525 | ||
526 | return acceptedV0s; | |
527 | } | |
528 | ||
529 | //____________________________________________________________________ | |
f690bf48 | 530 | Int_t AliESDv0Cuts::CountAcceptedV0s(const AliESD* esd) |
94b50f5f | 531 | { |
532 | // | |
533 | // returns an the number of v0s that pass the cuts | |
534 | // | |
535 | ||
536 | Int_t count = 0; | |
537 | // const AliESDVertex *spdVertex = esd->GetVertex(); | |
538 | const AliESDVertex *primaryVertex = esd->GetPrimaryVertex(); | |
539 | Int_t lIndexTrackPos = 0, lIndexTrackNeg = 0; | |
540 | ||
541 | // loop over esd v0s | |
542 | for (Int_t iV0 = 0; iV0 < esd->GetNumberOfV0s(); iV0++) { | |
543 | AliESDv0* v0 = esd->GetV0(iV0); | |
544 | ||
545 | lIndexTrackPos = TMath::Abs(v0->GetPindex()); | |
546 | lIndexTrackNeg = TMath::Abs(v0->GetNindex()); | |
547 | AliESDtrack *trackPos = esd->GetTrack(lIndexTrackPos); | |
548 | AliESDtrack *trackNeg = esd->GetTrack(lIndexTrackNeg); | |
549 | ||
550 | if (AcceptV0(v0,trackPos,trackNeg,primaryVertex)) | |
551 | count++; | |
552 | } | |
553 | ||
554 | return count; | |
555 | } | |
556 | ||
557 | //____________________________________________________________________ | |
f690bf48 | 558 | TObjArray* AliESDv0Cuts::GetAcceptedV0s(const AliESDEvent* esd) |
94b50f5f | 559 | { |
560 | // | |
561 | // returns an array of all v0s that pass the cuts | |
562 | // | |
563 | ||
564 | TObjArray* acceptedV0s = new TObjArray(); | |
565 | // const AliESDVertex *spdVertex = esd->GetVertex(); | |
566 | const AliESDVertex *primaryVertex = esd->GetPrimaryVertex(); | |
567 | Int_t lIndexTrackPos = 0, lIndexTrackNeg = 0; | |
568 | ||
569 | // loop over esd v0s | |
570 | for (Int_t iV0 = 0; iV0 < esd->GetNumberOfV0s(); iV0++) { | |
571 | AliESDv0* v0 = esd->GetV0(iV0); | |
572 | ||
573 | lIndexTrackPos = TMath::Abs(v0->GetPindex()); | |
574 | lIndexTrackNeg = TMath::Abs(v0->GetNindex()); | |
575 | AliESDtrack *trackPos = esd->GetTrack(lIndexTrackPos); | |
576 | AliESDtrack *trackNeg = esd->GetTrack(lIndexTrackNeg); | |
577 | ||
578 | if (AcceptV0(v0,trackPos,trackNeg,primaryVertex)) | |
579 | acceptedV0s->Add(v0); | |
580 | } | |
581 | ||
582 | return acceptedV0s; | |
583 | } | |
584 | ||
585 | //____________________________________________________________________ | |
f690bf48 | 586 | Int_t AliESDv0Cuts::CountAcceptedV0s(const AliESDEvent* esd) |
94b50f5f | 587 | { |
588 | // | |
589 | // returns an the number of v0s that pass the cuts | |
590 | // | |
591 | ||
592 | Int_t count = 0; | |
593 | // const AliESDVertex *spdVertex = esd->GetVertex(); | |
594 | const AliESDVertex *primaryVertex = esd->GetPrimaryVertex(); | |
595 | Int_t lIndexTrackPos = 0, lIndexTrackNeg = 0; | |
596 | ||
597 | // loop over esd v0s | |
598 | for (Int_t iV0 = 0; iV0 < esd->GetNumberOfV0s(); iV0++) { | |
599 | AliESDv0* v0 = esd->GetV0(iV0); | |
600 | ||
601 | lIndexTrackPos = TMath::Abs(v0->GetPindex()); | |
602 | lIndexTrackNeg = TMath::Abs(v0->GetNindex()); | |
603 | AliESDtrack *trackPos = esd->GetTrack(lIndexTrackPos); | |
604 | AliESDtrack *trackNeg = esd->GetTrack(lIndexTrackNeg); | |
605 | ||
606 | if (AcceptV0(v0,trackPos,trackNeg,primaryVertex)) | |
607 | count++; | |
608 | } | |
609 | ||
610 | return count; | |
611 | } | |
612 | ||
613 | //____________________________________________________________________ | |
614 | void AliESDv0Cuts::DefineHistograms(Int_t color) { | |
615 | // | |
616 | // diagnostics histograms are defined | |
617 | // | |
618 | ||
619 | fHistogramsOn=kTRUE; | |
620 | ||
621 | Bool_t oldStatus = TH1::AddDirectoryStatus(); | |
622 | TH1::AddDirectory(kFALSE); | |
623 | ||
624 | //################################################################################### | |
625 | // defining histograms | |
626 | ||
627 | fhCutStatistics = new TH1F("cut_statistics","cut statistics",kNCuts+4,-0.5,kNCuts+3.5); | |
628 | ||
629 | fhCutStatistics->GetXaxis()->SetBinLabel(1,"n v0s"); | |
630 | fhCutStatistics->GetXaxis()->SetBinLabel(2,"n cut v0s"); | |
631 | ||
632 | fhCutCorrelation = new TH2F("cut_correlation","cut correlation",kNCuts,-0.5,kNCuts-0.5,kNCuts,-0.5,kNCuts-0.5);; | |
633 | ||
634 | for (Int_t i=0; i<kNCuts; i++) { | |
635 | fhCutStatistics->GetXaxis()->SetBinLabel(i+4,fgkCutNames[i]); | |
636 | fhCutCorrelation->GetXaxis()->SetBinLabel(i+1,fgkCutNames[i]); | |
637 | fhCutCorrelation->GetYaxis()->SetBinLabel(i+1,fgkCutNames[i]); | |
638 | } | |
639 | ||
640 | fhCutStatistics ->SetLineColor(color); | |
641 | fhCutCorrelation ->SetLineColor(color); | |
642 | fhCutStatistics ->SetLineWidth(2); | |
643 | fhCutCorrelation ->SetLineWidth(2); | |
644 | ||
645 | Char_t str[256]; | |
646 | for (Int_t i=0; i<2; i++) { | |
accb0197 | 647 | if (i==0) snprintf(str,256, " "); |
648 | else snprintf(str,256, "_cut"); | |
94b50f5f | 649 | |
650 | fhDcaPosToVertex[i] = new TH1F(Form("dcaPosToVertex%s",str),"",120,0,3); | |
651 | fhDcaNegToVertex[i] = new TH1F(Form("dcaNegToVertex%s",str),"",120,0,3); | |
652 | fhChi2[i] = new TH1F(Form("chi2%s",str),"",50,0,50); | |
653 | fhDcaV0Daughters[i] = new TH1F(Form("dcaV0Daughters%s",str),"",200,0,5); | |
654 | fhRadius[i] = new TH1F(Form("decayRadius%s",str),"",300,0,150); | |
655 | fhCosinePointingAngle[i] = new TH1F(Form("cosinePointingAngle%s",str),"",100,-1,1); | |
656 | fhOnFlyStatus[i] = new TH1F(Form("onflystatus%s",str),"",5,0,5); | |
657 | fhDcaV0ToVertex[i] = new TH1F(Form("dcaV0ToVertex%s",str),"",100,0,5); | |
658 | ||
659 | fhPt[i] = new TH1F(Form("pt%s",str) ,"p_{T} distribution;p_{T} (GeV/c)",500,0.0,100.0); | |
660 | ||
661 | fhDcaPosToVertex[i]->SetTitle("Dca of positive daughter to parent vertex"); | |
662 | fhDcaNegToVertex[i]->SetTitle("Dca of negative daughter to parent vertex"); | |
663 | fhChi2[i]->SetTitle("#Chi^{2} for v0"); | |
664 | fhDcaV0Daughters[i]->SetTitle("Dca between daughter tracks"); | |
665 | fhRadius[i]->SetTitle("Decay radius of the v0"); | |
666 | fhCosinePointingAngle[i]->SetTitle("Cosine of the Pointing Angle"); | |
667 | fhOnFlyStatus[i]->SetTitle("On-the-Fly Status"); | |
668 | fhDcaV0ToVertex[i]->SetTitle("Dca of v0 to parent vertex"); | |
669 | ||
670 | fhDcaPosToVertex[i]->SetLineColor(color); fhDcaPosToVertex[i]->SetLineWidth(2); | |
671 | fhDcaNegToVertex[i]->SetLineColor(color); fhDcaNegToVertex[i]->SetLineWidth(2); | |
672 | fhChi2[i]->SetLineColor(color); fhChi2[i]->SetLineWidth(2); | |
673 | fhDcaV0Daughters[i]->SetLineColor(color); fhDcaV0Daughters[i]->SetLineWidth(2); | |
674 | fhRadius[i]->SetLineColor(color); fhRadius[i]->SetLineWidth(2); | |
675 | fhCosinePointingAngle[i]->SetLineColor(color); fhCosinePointingAngle[i]->SetLineWidth(2); | |
676 | fhOnFlyStatus[i]->SetLineColor(color); fhOnFlyStatus[i]->SetLineWidth(2); | |
677 | fhDcaV0ToVertex[i]->SetLineColor(color); fhDcaV0ToVertex[i]->SetLineWidth(2); | |
678 | } | |
679 | ||
680 | TH1::AddDirectory(oldStatus); | |
681 | } | |
682 | ||
683 | //____________________________________________________________________ | |
684 | Bool_t AliESDv0Cuts::LoadHistograms(const Char_t* dir) | |
685 | { | |
686 | // | |
687 | // loads the histograms from a file | |
688 | // if dir is empty a directory with the name of this object is taken (like in SaveHistogram) | |
689 | // | |
690 | ||
691 | if (!dir) | |
692 | dir = GetName(); | |
693 | ||
694 | if (!gDirectory->cd(dir)) | |
695 | return kFALSE; | |
696 | ||
697 | fhCutStatistics = dynamic_cast<TH1F*> (gDirectory->Get("cut_statistics")); | |
698 | fhCutCorrelation = dynamic_cast<TH2F*> (gDirectory->Get("cut_correlation")); | |
699 | ||
700 | Char_t str[5]; | |
701 | for (Int_t i=0; i<2; i++) { | |
702 | if (i==0) | |
703 | { | |
704 | gDirectory->cd("before_cuts"); | |
705 | str[0] = 0; | |
706 | } | |
707 | else | |
708 | { | |
709 | gDirectory->cd("after_cuts"); | |
accb0197 | 710 | snprintf(str,5, "_cut"); |
94b50f5f | 711 | } |
712 | ||
713 | fhDcaPosToVertex[i] = dynamic_cast<TH1F*> (gDirectory->Get(Form("dcaPosToVertex%s",str) )); | |
714 | fhDcaNegToVertex[i] = dynamic_cast<TH1F*> (gDirectory->Get(Form("dcaNegToVertex%s",str) )); | |
715 | fhChi2[i] = dynamic_cast<TH1F*> (gDirectory->Get(Form("chi2%s",str))); | |
716 | fhDcaV0Daughters[i] = dynamic_cast<TH1F*> (gDirectory->Get(Form("dcaV0Daughters%s",str))); | |
717 | fhRadius[i] = dynamic_cast<TH1F*> (gDirectory->Get(Form("decayRadius%s",str))); | |
718 | fhCosinePointingAngle[i] = dynamic_cast<TH1F*> (gDirectory->Get(Form("cosinepointingangle%s",str))); | |
719 | fhOnFlyStatus[i] = dynamic_cast<TH1F*> (gDirectory->Get(Form("onflystatus%s",str))); | |
720 | fhDcaV0ToVertex[i] = dynamic_cast<TH1F*> (gDirectory->Get(Form("dcaV0ToVertex%s",str))); | |
721 | ||
722 | fhPt[i] = dynamic_cast<TH1F*> (gDirectory->Get(Form("pt%s",str))); | |
723 | ||
724 | gDirectory->cd("../"); | |
725 | } | |
726 | ||
727 | gDirectory->cd(".."); | |
728 | ||
729 | return kTRUE; | |
730 | } | |
731 | ||
732 | //____________________________________________________________________ | |
733 | void AliESDv0Cuts::SaveHistograms(const Char_t* dir) { | |
734 | // | |
735 | // saves the histograms in a directory (dir) | |
736 | // | |
737 | ||
738 | if (!fHistogramsOn) { | |
739 | AliDebug(0, "Histograms not on - cannot save histograms!!!"); | |
740 | return; | |
741 | } | |
742 | ||
743 | if (!dir) | |
744 | dir = GetName(); | |
745 | ||
746 | gDirectory->mkdir(dir); | |
747 | gDirectory->cd(dir); | |
748 | ||
749 | gDirectory->mkdir("before_cuts"); | |
750 | gDirectory->mkdir("after_cuts"); | |
751 | ||
752 | fhCutStatistics->Write(); | |
753 | fhCutCorrelation->Write(); | |
754 | ||
755 | for (Int_t i=0; i<2; i++) { | |
756 | if (i==0) | |
757 | gDirectory->cd("before_cuts"); | |
758 | else | |
759 | gDirectory->cd("after_cuts"); | |
760 | ||
761 | fhDcaPosToVertex[i] ->Write(); | |
762 | fhDcaNegToVertex[i] ->Write(); | |
763 | fhChi2[i] ->Write(); | |
764 | fhDcaV0Daughters[i] ->Write(); | |
765 | fhRadius[i] ->Write(); | |
766 | fhCosinePointingAngle[i] ->Write(); | |
767 | fhOnFlyStatus[i] ->Write(); | |
768 | fhDcaV0ToVertex[i] ->Write(); | |
769 | ||
770 | fhPt[i] ->Write(); | |
771 | ||
772 | gDirectory->cd("../"); | |
773 | } | |
774 | ||
775 | gDirectory->cd("../"); | |
776 | } | |
777 | ||
778 | //____________________________________________________________________ | |
779 | void AliESDv0Cuts::DrawHistograms() | |
780 | { | |
781 | // draws some histograms | |
782 | ||
783 | TCanvas* canvas1 = new TCanvas(Form("%s_1", GetName()), "V0 Quality Results1", 800, 800); | |
784 | canvas1->Divide(2, 2); | |
785 | ||
786 | canvas1->cd(1); | |
787 | fhDcaPosToVertex[0]->SetStats(kFALSE); | |
788 | fhDcaPosToVertex[0]->Draw(); | |
789 | ||
790 | canvas1->cd(2); | |
791 | fhChi2[0]->SetStats(kFALSE); | |
792 | fhChi2[0]->Draw(); | |
793 | ||
794 | canvas1->cd(3); | |
795 | fhDcaV0ToVertex[0]->SetStats(kFALSE); | |
796 | fhDcaV0ToVertex[0]->Draw(); | |
797 | ||
798 | canvas1->SaveAs(Form("%s_%s.gif", GetName(), canvas1->GetName())); | |
799 | ||
800 | TCanvas* canvas2 = new TCanvas(Form("%s_2", GetName()), "V0 Quality Results2", 1200, 800); | |
801 | canvas2->Divide(3, 2); | |
802 | ||
803 | canvas2->cd(1); | |
804 | fhDcaV0Daughters[0]->SetStats(kFALSE); | |
805 | gPad->SetLogy(); | |
806 | fhDcaV0Daughters[0]->Draw(); | |
807 | ||
808 | canvas2->cd(2); | |
809 | fhRadius[0]->SetStats(kFALSE); | |
810 | gPad->SetLogy(); | |
811 | fhRadius[0]->Draw(); | |
812 | ||
813 | ||
814 | canvas2->cd(4); | |
815 | fhCosinePointingAngle[0]->SetStats(kFALSE); | |
816 | gPad->SetLogy(); | |
817 | fhCosinePointingAngle[0]->Draw(); | |
818 | ||
819 | canvas2->cd(5); | |
820 | fhOnFlyStatus[0]->SetStats(kFALSE); | |
821 | gPad->SetLogy(); | |
822 | fhOnFlyStatus[0]->Draw(); | |
823 | ||
824 | canvas2->SaveAs(Form("%s_%s.gif", GetName(), canvas2->GetName())); | |
825 | ||
826 | TCanvas* canvas3 = new TCanvas(Form("%s_4", GetName()), "V0 Quality Results3", 800, 500); | |
827 | canvas3->Divide(2, 1); | |
828 | ||
829 | canvas3->cd(1); | |
830 | fhCutStatistics->SetStats(kFALSE); | |
831 | fhCutStatistics->LabelsOption("v"); | |
832 | gPad->SetBottomMargin(0.3); | |
833 | fhCutStatistics->Draw(); | |
834 | ||
835 | canvas3->cd(2); | |
836 | fhCutCorrelation->SetStats(kFALSE); | |
837 | fhCutCorrelation->LabelsOption("v"); | |
838 | gPad->SetBottomMargin(0.3); | |
839 | gPad->SetLeftMargin(0.3); | |
840 | fhCutCorrelation->Draw("COLZ"); | |
841 | ||
842 | canvas3->SaveAs(Form("%s_%s.gif", GetName(), canvas3->GetName())); | |
843 | } | |
844 |