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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) { | |
346 | if(listObj->GetSize()!=4) return kFALSE; | |
347 | AliESDv0 *esdV0 = (AliESDv0*)listObj->At(0); | |
348 | AliESDtrack *trackPos = (AliESDtrack*)listObj->At(1); | |
349 | AliESDtrack *trackNeg = (AliESDtrack*)listObj->At(2); | |
350 | const AliESDVertex *esdVertex = (AliESDVertex*)listObj->At(3); | |
351 | return AcceptV0(esdV0,trackPos,trackNeg,esdVertex); | |
352 | } | |
353 | ||
354 | //____________________________________________________________________ | |
355 | Bool_t | |
356 | AliESDv0Cuts::AcceptV0(AliESDv0* esdV0, AliESDtrack* trackPos, AliESDtrack* trackNeg, const AliESDVertex* esdVertex) { | |
357 | // | |
358 | // figure out if the v0s survives all the v0 cuts defined | |
359 | // | |
360 | // the different quality parameter and kinematic values are first | |
361 | // retrieved from the v0. then it is found out what cuts the | |
362 | // v0 did not survive and finally the cuts are imposed. | |
363 | ||
364 | // this function needs the following branches... but this is not enough | |
365 | // fV0s.fDcaV0Daughters | |
366 | // fV0s.fChi2V0 | |
367 | // fV0s.fPos* | |
368 | // fV0s.fNmom* | |
369 | // fV0s.fPmom* | |
370 | // fV0s.fRr | |
371 | // fV0s.fPointAngle | |
372 | // fV0s.fOnFlyStatus | |
373 | ||
374 | Float_t dcaPosToVertex = 0, dcaNegToVertex = 0; | |
375 | Float_t tdcaPosToVertex[2]={999,999}; | |
376 | Float_t tdcaNegToVertex[2]={999,999}; | |
377 | ||
378 | if (trackPos) trackPos->GetImpactParameters(tdcaPosToVertex[0],tdcaPosToVertex[1]); | |
379 | if (trackNeg) trackNeg->GetImpactParameters(tdcaNegToVertex[0],tdcaNegToVertex[1]); | |
380 | ||
381 | dcaPosToVertex = TMath::Sqrt(tdcaPosToVertex[0]*tdcaPosToVertex[0]+tdcaPosToVertex[1]*tdcaPosToVertex[1]); | |
382 | dcaNegToVertex = TMath::Sqrt(tdcaNegToVertex[0]*tdcaNegToVertex[0]+tdcaNegToVertex[1]*tdcaNegToVertex[1]); | |
383 | ||
384 | UInt_t status = esdV0->GetOnFlyStatus(); | |
385 | Float_t chi2 = esdV0->GetChi2V0(); | |
386 | ||
387 | Double_t dcaV0Daughters = esdV0->GetDcaV0Daughters(); | |
388 | ||
389 | Double_t vtxPosition[3]; esdVertex->GetXYZ(vtxPosition); | |
390 | Double_t dcaV0ToVertex = esdV0->GetD(vtxPosition[0],vtxPosition[1],vtxPosition[2]); | |
391 | ||
392 | Double_t v0Position[3]; | |
393 | esdV0->GetXYZ(v0Position[0],v0Position[1],v0Position[2]); | |
394 | Double_t radius = TMath::Sqrt(TMath::Power(v0Position[0],2) + TMath::Power(v0Position[1],2)); | |
395 | Double_t v0CosinePointingAngle = esdV0->GetV0CosineOfPointingAngle(); | |
396 | ||
397 | // getting the kinematic variables of the v0 | |
398 | Double_t p[3]; | |
399 | esdV0->GetPxPyPz(p[0],p[1],p[2]); | |
400 | Float_t momentum = TMath::Sqrt(TMath::Power(p[0],2) + TMath::Power(p[1],2) + TMath::Power(p[2],2)); | |
401 | Float_t pt = TMath::Sqrt(TMath::Power(p[0],2) + TMath::Power(p[1],2)); | |
402 | ||
403 | //######################################################################## | |
404 | // cut the v0? | |
405 | ||
406 | Bool_t cuts[kNCuts]; | |
407 | for (Int_t i=0; i<kNCuts; i++) cuts[i]=kFALSE; | |
408 | ||
409 | // v0 quality cuts | |
410 | if (dcaPosToVertex < fCutMinDcaPosToVertex) | |
411 | cuts[0]=kTRUE; | |
412 | if (dcaNegToVertex < fCutMinDcaNegToVertex) | |
413 | cuts[1]=kTRUE; | |
414 | if (chi2 > fCutMaxChi2) | |
415 | cuts[2]=kTRUE; | |
416 | if (dcaV0Daughters > fCutMaxDcaV0Daughters) | |
417 | cuts[3]=kTRUE; | |
418 | if (radius < fCutMinRadius) | |
419 | cuts[4]=kTRUE; | |
420 | if (radius > fCutMaxRadius) | |
421 | cuts[5]=kTRUE; | |
422 | if (v0CosinePointingAngle < fCutMinCosinePointingAngle) | |
423 | cuts[6]=kTRUE; | |
424 | if (fCutRequireOnFlyStatus && !status) | |
425 | cuts[7]=kTRUE; | |
426 | if (dcaV0ToVertex > fCutMaxDcaV0ToVertex) | |
427 | cuts[8] = kTRUE; | |
428 | ||
429 | // v0 kinematics cut | |
430 | if((momentum < fPMin) || (momentum > fPMax)) | |
431 | cuts[9]=kTRUE; | |
432 | if((pt < fPtMin) || (pt > fPtMax)) | |
433 | cuts[10] = kTRUE; | |
434 | if((p[0] < fPxMin) || (p[0] > fPxMax)) | |
435 | cuts[11] = kTRUE; | |
436 | if((p[1] < fPyMin) || (p[1] > fPyMax)) | |
437 | cuts[12] = kTRUE; | |
438 | if((p[2] < fPzMin) || (p[2] > fPzMax)) | |
439 | cuts[13] = kTRUE; | |
440 | ||
441 | Bool_t cut=kFALSE; | |
442 | for (Int_t i=0; i<kNCuts; i++) | |
443 | if (cuts[i]) cut = kTRUE; | |
444 | ||
445 | //######################################################################## | |
446 | // filling histograms | |
447 | if (fHistogramsOn) { | |
448 | fhCutStatistics->Fill(fhCutStatistics->GetBinCenter(fhCutStatistics->GetXaxis()->FindBin("n v0s"))); | |
449 | ||
450 | if (cut) | |
451 | fhCutStatistics->Fill(fhCutStatistics->GetBinCenter(fhCutStatistics->GetXaxis()->FindBin("n cut v0s"))); | |
452 | ||
453 | for (Int_t i=0; i<kNCuts; i++) { | |
454 | if (cuts[i]) | |
455 | fhCutStatistics->Fill(fhCutStatistics->GetBinCenter(fhCutStatistics->GetXaxis()->FindBin(fgkCutNames[i]))); | |
456 | ||
457 | for (Int_t j=i; j<kNCuts; j++) { | |
458 | if (cuts[i] && cuts[j]) { | |
459 | Float_t x = fhCutCorrelation->GetXaxis()->GetBinCenter(fhCutCorrelation->GetXaxis()->FindBin(fgkCutNames[i])); | |
460 | Float_t y = fhCutCorrelation->GetYaxis()->GetBinCenter(fhCutCorrelation->GetYaxis()->FindBin(fgkCutNames[j])); | |
461 | fhCutCorrelation->Fill(x,y); | |
462 | } | |
463 | } | |
464 | } | |
465 | ||
466 | fhDcaPosToVertex[0]->Fill(dcaPosToVertex); | |
467 | fhDcaNegToVertex[0]->Fill(dcaNegToVertex); | |
468 | fhChi2[0]->Fill(chi2); | |
469 | fhDcaV0Daughters[0]->Fill(dcaV0Daughters); | |
470 | fhRadius[0]->Fill(radius); | |
471 | fhCosinePointingAngle[0]->Fill(v0CosinePointingAngle); | |
472 | fhOnFlyStatus[0]->Fill(status); | |
473 | fhDcaV0ToVertex[0]->Fill(dcaV0ToVertex); | |
474 | ||
475 | fhPt[0]->Fill(pt); | |
476 | } | |
477 | ||
478 | //######################################################################## | |
479 | // cut the v0! | |
480 | if (cut) return kFALSE; | |
481 | ||
482 | //######################################################################## | |
483 | // filling histograms after cut | |
484 | if (fHistogramsOn) { | |
485 | fhDcaPosToVertex[1]->Fill(dcaPosToVertex); | |
486 | fhDcaNegToVertex[1]->Fill(dcaNegToVertex); | |
487 | fhChi2[1]->Fill(chi2); | |
488 | fhDcaV0Daughters[1]->Fill(dcaV0Daughters); | |
489 | fhRadius[1]->Fill(radius); | |
490 | fhCosinePointingAngle[1]->Fill(v0CosinePointingAngle); | |
491 | fhOnFlyStatus[1]->Fill(status); | |
492 | fhDcaV0ToVertex[1]->Fill(dcaV0ToVertex); | |
493 | ||
494 | fhPt[1]->Fill(pt); | |
495 | } | |
496 | ||
497 | return kTRUE; | |
498 | } | |
499 | ||
500 | //____________________________________________________________________ | |
501 | TObjArray* AliESDv0Cuts::GetAcceptedV0s(AliESD* esd) | |
502 | { | |
503 | // | |
504 | // returns an array of all v0s that pass the cuts | |
505 | // | |
506 | ||
507 | TObjArray* acceptedV0s = new TObjArray(); | |
508 | // const AliESDVertex *spdVertex = esd->GetVertex(); | |
509 | const AliESDVertex *primaryVertex = esd->GetPrimaryVertex(); | |
510 | Int_t lIndexTrackPos = 0, lIndexTrackNeg = 0; | |
511 | ||
512 | // loop over esd v0s | |
513 | for (Int_t iV0 = 0; iV0 < esd->GetNumberOfV0s(); iV0++) { | |
514 | AliESDv0* v0 = esd->GetV0(iV0); | |
515 | ||
516 | lIndexTrackPos = TMath::Abs(v0->GetPindex()); | |
517 | lIndexTrackNeg = TMath::Abs(v0->GetNindex()); | |
518 | AliESDtrack *trackPos = esd->GetTrack(lIndexTrackPos); | |
519 | AliESDtrack *trackNeg = esd->GetTrack(lIndexTrackNeg); | |
520 | ||
521 | if (AcceptV0(v0,trackPos,trackNeg,primaryVertex)) | |
522 | acceptedV0s->Add(v0); | |
523 | } | |
524 | ||
525 | return acceptedV0s; | |
526 | } | |
527 | ||
528 | //____________________________________________________________________ | |
529 | Int_t AliESDv0Cuts::CountAcceptedV0s(AliESD* esd) | |
530 | { | |
531 | // | |
532 | // returns an the number of v0s that pass the cuts | |
533 | // | |
534 | ||
535 | Int_t count = 0; | |
536 | // const AliESDVertex *spdVertex = esd->GetVertex(); | |
537 | const AliESDVertex *primaryVertex = esd->GetPrimaryVertex(); | |
538 | Int_t lIndexTrackPos = 0, lIndexTrackNeg = 0; | |
539 | ||
540 | // loop over esd v0s | |
541 | for (Int_t iV0 = 0; iV0 < esd->GetNumberOfV0s(); iV0++) { | |
542 | AliESDv0* v0 = esd->GetV0(iV0); | |
543 | ||
544 | lIndexTrackPos = TMath::Abs(v0->GetPindex()); | |
545 | lIndexTrackNeg = TMath::Abs(v0->GetNindex()); | |
546 | AliESDtrack *trackPos = esd->GetTrack(lIndexTrackPos); | |
547 | AliESDtrack *trackNeg = esd->GetTrack(lIndexTrackNeg); | |
548 | ||
549 | if (AcceptV0(v0,trackPos,trackNeg,primaryVertex)) | |
550 | count++; | |
551 | } | |
552 | ||
553 | return count; | |
554 | } | |
555 | ||
556 | //____________________________________________________________________ | |
557 | TObjArray* AliESDv0Cuts::GetAcceptedV0s(AliESDEvent* esd) | |
558 | { | |
559 | // | |
560 | // returns an array of all v0s that pass the cuts | |
561 | // | |
562 | ||
563 | TObjArray* acceptedV0s = new TObjArray(); | |
564 | // const AliESDVertex *spdVertex = esd->GetVertex(); | |
565 | const AliESDVertex *primaryVertex = esd->GetPrimaryVertex(); | |
566 | Int_t lIndexTrackPos = 0, lIndexTrackNeg = 0; | |
567 | ||
568 | // loop over esd v0s | |
569 | for (Int_t iV0 = 0; iV0 < esd->GetNumberOfV0s(); iV0++) { | |
570 | AliESDv0* v0 = esd->GetV0(iV0); | |
571 | ||
572 | lIndexTrackPos = TMath::Abs(v0->GetPindex()); | |
573 | lIndexTrackNeg = TMath::Abs(v0->GetNindex()); | |
574 | AliESDtrack *trackPos = esd->GetTrack(lIndexTrackPos); | |
575 | AliESDtrack *trackNeg = esd->GetTrack(lIndexTrackNeg); | |
576 | ||
577 | if (AcceptV0(v0,trackPos,trackNeg,primaryVertex)) | |
578 | acceptedV0s->Add(v0); | |
579 | } | |
580 | ||
581 | return acceptedV0s; | |
582 | } | |
583 | ||
584 | //____________________________________________________________________ | |
585 | Int_t AliESDv0Cuts::CountAcceptedV0s(AliESDEvent* esd) | |
586 | { | |
587 | // | |
588 | // returns an the number of v0s that pass the cuts | |
589 | // | |
590 | ||
591 | Int_t count = 0; | |
592 | // const AliESDVertex *spdVertex = esd->GetVertex(); | |
593 | const AliESDVertex *primaryVertex = esd->GetPrimaryVertex(); | |
594 | Int_t lIndexTrackPos = 0, lIndexTrackNeg = 0; | |
595 | ||
596 | // loop over esd v0s | |
597 | for (Int_t iV0 = 0; iV0 < esd->GetNumberOfV0s(); iV0++) { | |
598 | AliESDv0* v0 = esd->GetV0(iV0); | |
599 | ||
600 | lIndexTrackPos = TMath::Abs(v0->GetPindex()); | |
601 | lIndexTrackNeg = TMath::Abs(v0->GetNindex()); | |
602 | AliESDtrack *trackPos = esd->GetTrack(lIndexTrackPos); | |
603 | AliESDtrack *trackNeg = esd->GetTrack(lIndexTrackNeg); | |
604 | ||
605 | if (AcceptV0(v0,trackPos,trackNeg,primaryVertex)) | |
606 | count++; | |
607 | } | |
608 | ||
609 | return count; | |
610 | } | |
611 | ||
612 | //____________________________________________________________________ | |
613 | void AliESDv0Cuts::DefineHistograms(Int_t color) { | |
614 | // | |
615 | // diagnostics histograms are defined | |
616 | // | |
617 | ||
618 | fHistogramsOn=kTRUE; | |
619 | ||
620 | Bool_t oldStatus = TH1::AddDirectoryStatus(); | |
621 | TH1::AddDirectory(kFALSE); | |
622 | ||
623 | //################################################################################### | |
624 | // defining histograms | |
625 | ||
626 | fhCutStatistics = new TH1F("cut_statistics","cut statistics",kNCuts+4,-0.5,kNCuts+3.5); | |
627 | ||
628 | fhCutStatistics->GetXaxis()->SetBinLabel(1,"n v0s"); | |
629 | fhCutStatistics->GetXaxis()->SetBinLabel(2,"n cut v0s"); | |
630 | ||
631 | fhCutCorrelation = new TH2F("cut_correlation","cut correlation",kNCuts,-0.5,kNCuts-0.5,kNCuts,-0.5,kNCuts-0.5);; | |
632 | ||
633 | for (Int_t i=0; i<kNCuts; i++) { | |
634 | fhCutStatistics->GetXaxis()->SetBinLabel(i+4,fgkCutNames[i]); | |
635 | fhCutCorrelation->GetXaxis()->SetBinLabel(i+1,fgkCutNames[i]); | |
636 | fhCutCorrelation->GetYaxis()->SetBinLabel(i+1,fgkCutNames[i]); | |
637 | } | |
638 | ||
639 | fhCutStatistics ->SetLineColor(color); | |
640 | fhCutCorrelation ->SetLineColor(color); | |
641 | fhCutStatistics ->SetLineWidth(2); | |
642 | fhCutCorrelation ->SetLineWidth(2); | |
643 | ||
644 | Char_t str[256]; | |
645 | for (Int_t i=0; i<2; i++) { | |
646 | if (i==0) sprintf(str," "); | |
647 | else sprintf(str,"_cut"); | |
648 | ||
649 | fhDcaPosToVertex[i] = new TH1F(Form("dcaPosToVertex%s",str),"",120,0,3); | |
650 | fhDcaNegToVertex[i] = new TH1F(Form("dcaNegToVertex%s",str),"",120,0,3); | |
651 | fhChi2[i] = new TH1F(Form("chi2%s",str),"",50,0,50); | |
652 | fhDcaV0Daughters[i] = new TH1F(Form("dcaV0Daughters%s",str),"",200,0,5); | |
653 | fhRadius[i] = new TH1F(Form("decayRadius%s",str),"",300,0,150); | |
654 | fhCosinePointingAngle[i] = new TH1F(Form("cosinePointingAngle%s",str),"",100,-1,1); | |
655 | fhOnFlyStatus[i] = new TH1F(Form("onflystatus%s",str),"",5,0,5); | |
656 | fhDcaV0ToVertex[i] = new TH1F(Form("dcaV0ToVertex%s",str),"",100,0,5); | |
657 | ||
658 | fhPt[i] = new TH1F(Form("pt%s",str) ,"p_{T} distribution;p_{T} (GeV/c)",500,0.0,100.0); | |
659 | ||
660 | fhDcaPosToVertex[i]->SetTitle("Dca of positive daughter to parent vertex"); | |
661 | fhDcaNegToVertex[i]->SetTitle("Dca of negative daughter to parent vertex"); | |
662 | fhChi2[i]->SetTitle("#Chi^{2} for v0"); | |
663 | fhDcaV0Daughters[i]->SetTitle("Dca between daughter tracks"); | |
664 | fhRadius[i]->SetTitle("Decay radius of the v0"); | |
665 | fhCosinePointingAngle[i]->SetTitle("Cosine of the Pointing Angle"); | |
666 | fhOnFlyStatus[i]->SetTitle("On-the-Fly Status"); | |
667 | fhDcaV0ToVertex[i]->SetTitle("Dca of v0 to parent vertex"); | |
668 | ||
669 | fhDcaPosToVertex[i]->SetLineColor(color); fhDcaPosToVertex[i]->SetLineWidth(2); | |
670 | fhDcaNegToVertex[i]->SetLineColor(color); fhDcaNegToVertex[i]->SetLineWidth(2); | |
671 | fhChi2[i]->SetLineColor(color); fhChi2[i]->SetLineWidth(2); | |
672 | fhDcaV0Daughters[i]->SetLineColor(color); fhDcaV0Daughters[i]->SetLineWidth(2); | |
673 | fhRadius[i]->SetLineColor(color); fhRadius[i]->SetLineWidth(2); | |
674 | fhCosinePointingAngle[i]->SetLineColor(color); fhCosinePointingAngle[i]->SetLineWidth(2); | |
675 | fhOnFlyStatus[i]->SetLineColor(color); fhOnFlyStatus[i]->SetLineWidth(2); | |
676 | fhDcaV0ToVertex[i]->SetLineColor(color); fhDcaV0ToVertex[i]->SetLineWidth(2); | |
677 | } | |
678 | ||
679 | TH1::AddDirectory(oldStatus); | |
680 | } | |
681 | ||
682 | //____________________________________________________________________ | |
683 | Bool_t AliESDv0Cuts::LoadHistograms(const Char_t* dir) | |
684 | { | |
685 | // | |
686 | // loads the histograms from a file | |
687 | // if dir is empty a directory with the name of this object is taken (like in SaveHistogram) | |
688 | // | |
689 | ||
690 | if (!dir) | |
691 | dir = GetName(); | |
692 | ||
693 | if (!gDirectory->cd(dir)) | |
694 | return kFALSE; | |
695 | ||
696 | fhCutStatistics = dynamic_cast<TH1F*> (gDirectory->Get("cut_statistics")); | |
697 | fhCutCorrelation = dynamic_cast<TH2F*> (gDirectory->Get("cut_correlation")); | |
698 | ||
699 | Char_t str[5]; | |
700 | for (Int_t i=0; i<2; i++) { | |
701 | if (i==0) | |
702 | { | |
703 | gDirectory->cd("before_cuts"); | |
704 | str[0] = 0; | |
705 | } | |
706 | else | |
707 | { | |
708 | gDirectory->cd("after_cuts"); | |
709 | sprintf(str,"_cut"); | |
710 | } | |
711 | ||
712 | fhDcaPosToVertex[i] = dynamic_cast<TH1F*> (gDirectory->Get(Form("dcaPosToVertex%s",str) )); | |
713 | fhDcaNegToVertex[i] = dynamic_cast<TH1F*> (gDirectory->Get(Form("dcaNegToVertex%s",str) )); | |
714 | fhChi2[i] = dynamic_cast<TH1F*> (gDirectory->Get(Form("chi2%s",str))); | |
715 | fhDcaV0Daughters[i] = dynamic_cast<TH1F*> (gDirectory->Get(Form("dcaV0Daughters%s",str))); | |
716 | fhRadius[i] = dynamic_cast<TH1F*> (gDirectory->Get(Form("decayRadius%s",str))); | |
717 | fhCosinePointingAngle[i] = dynamic_cast<TH1F*> (gDirectory->Get(Form("cosinepointingangle%s",str))); | |
718 | fhOnFlyStatus[i] = dynamic_cast<TH1F*> (gDirectory->Get(Form("onflystatus%s",str))); | |
719 | fhDcaV0ToVertex[i] = dynamic_cast<TH1F*> (gDirectory->Get(Form("dcaV0ToVertex%s",str))); | |
720 | ||
721 | fhPt[i] = dynamic_cast<TH1F*> (gDirectory->Get(Form("pt%s",str))); | |
722 | ||
723 | gDirectory->cd("../"); | |
724 | } | |
725 | ||
726 | gDirectory->cd(".."); | |
727 | ||
728 | return kTRUE; | |
729 | } | |
730 | ||
731 | //____________________________________________________________________ | |
732 | void AliESDv0Cuts::SaveHistograms(const Char_t* dir) { | |
733 | // | |
734 | // saves the histograms in a directory (dir) | |
735 | // | |
736 | ||
737 | if (!fHistogramsOn) { | |
738 | AliDebug(0, "Histograms not on - cannot save histograms!!!"); | |
739 | return; | |
740 | } | |
741 | ||
742 | if (!dir) | |
743 | dir = GetName(); | |
744 | ||
745 | gDirectory->mkdir(dir); | |
746 | gDirectory->cd(dir); | |
747 | ||
748 | gDirectory->mkdir("before_cuts"); | |
749 | gDirectory->mkdir("after_cuts"); | |
750 | ||
751 | fhCutStatistics->Write(); | |
752 | fhCutCorrelation->Write(); | |
753 | ||
754 | for (Int_t i=0; i<2; i++) { | |
755 | if (i==0) | |
756 | gDirectory->cd("before_cuts"); | |
757 | else | |
758 | gDirectory->cd("after_cuts"); | |
759 | ||
760 | fhDcaPosToVertex[i] ->Write(); | |
761 | fhDcaNegToVertex[i] ->Write(); | |
762 | fhChi2[i] ->Write(); | |
763 | fhDcaV0Daughters[i] ->Write(); | |
764 | fhRadius[i] ->Write(); | |
765 | fhCosinePointingAngle[i] ->Write(); | |
766 | fhOnFlyStatus[i] ->Write(); | |
767 | fhDcaV0ToVertex[i] ->Write(); | |
768 | ||
769 | fhPt[i] ->Write(); | |
770 | ||
771 | gDirectory->cd("../"); | |
772 | } | |
773 | ||
774 | gDirectory->cd("../"); | |
775 | } | |
776 | ||
777 | //____________________________________________________________________ | |
778 | void AliESDv0Cuts::DrawHistograms() | |
779 | { | |
780 | // draws some histograms | |
781 | ||
782 | TCanvas* canvas1 = new TCanvas(Form("%s_1", GetName()), "V0 Quality Results1", 800, 800); | |
783 | canvas1->Divide(2, 2); | |
784 | ||
785 | canvas1->cd(1); | |
786 | fhDcaPosToVertex[0]->SetStats(kFALSE); | |
787 | fhDcaPosToVertex[0]->Draw(); | |
788 | ||
789 | canvas1->cd(2); | |
790 | fhChi2[0]->SetStats(kFALSE); | |
791 | fhChi2[0]->Draw(); | |
792 | ||
793 | canvas1->cd(3); | |
794 | fhDcaV0ToVertex[0]->SetStats(kFALSE); | |
795 | fhDcaV0ToVertex[0]->Draw(); | |
796 | ||
797 | canvas1->SaveAs(Form("%s_%s.gif", GetName(), canvas1->GetName())); | |
798 | ||
799 | TCanvas* canvas2 = new TCanvas(Form("%s_2", GetName()), "V0 Quality Results2", 1200, 800); | |
800 | canvas2->Divide(3, 2); | |
801 | ||
802 | canvas2->cd(1); | |
803 | fhDcaV0Daughters[0]->SetStats(kFALSE); | |
804 | gPad->SetLogy(); | |
805 | fhDcaV0Daughters[0]->Draw(); | |
806 | ||
807 | canvas2->cd(2); | |
808 | fhRadius[0]->SetStats(kFALSE); | |
809 | gPad->SetLogy(); | |
810 | fhRadius[0]->Draw(); | |
811 | ||
812 | ||
813 | canvas2->cd(4); | |
814 | fhCosinePointingAngle[0]->SetStats(kFALSE); | |
815 | gPad->SetLogy(); | |
816 | fhCosinePointingAngle[0]->Draw(); | |
817 | ||
818 | canvas2->cd(5); | |
819 | fhOnFlyStatus[0]->SetStats(kFALSE); | |
820 | gPad->SetLogy(); | |
821 | fhOnFlyStatus[0]->Draw(); | |
822 | ||
823 | canvas2->SaveAs(Form("%s_%s.gif", GetName(), canvas2->GetName())); | |
824 | ||
825 | TCanvas* canvas3 = new TCanvas(Form("%s_4", GetName()), "V0 Quality Results3", 800, 500); | |
826 | canvas3->Divide(2, 1); | |
827 | ||
828 | canvas3->cd(1); | |
829 | fhCutStatistics->SetStats(kFALSE); | |
830 | fhCutStatistics->LabelsOption("v"); | |
831 | gPad->SetBottomMargin(0.3); | |
832 | fhCutStatistics->Draw(); | |
833 | ||
834 | canvas3->cd(2); | |
835 | fhCutCorrelation->SetStats(kFALSE); | |
836 | fhCutCorrelation->LabelsOption("v"); | |
837 | gPad->SetBottomMargin(0.3); | |
838 | gPad->SetLeftMargin(0.3); | |
839 | fhCutCorrelation->Draw("COLZ"); | |
840 | ||
841 | canvas3->SaveAs(Form("%s_%s.gif", GetName(), canvas3->GetName())); | |
842 | } | |
843 |