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fa3634bd | 1 | // $Id$ |
2 | // Main author: Davide Caffarri 2009 | |
3 | ||
4 | /************************************************************************** | |
5 | * Copyright(c) 1998-2008, ALICE Experiment at CERN, all rights reserved. * | |
6 | * ee http://aliceinfo.cern.ch/Offline/AliRoot/License.html for * | |
7 | * full copyright notice. * | |
8 | **************************************************************************/ | |
9 | ||
10 | #include "AliEveHF.h" | |
11 | #include "AliAODRecoDecay.h" | |
12 | ||
13 | #include <TEveTrack.h> | |
14 | #include <TEveTrackPropagator.h> | |
15 | #include <TEveManager.h> | |
16 | ||
17 | #include <TPolyLine3D.h> | |
18 | #include <TPolyMarker3D.h> | |
19 | #include <TColor.h> | |
20 | ||
21 | #include <TDatabasePDG.h> | |
22 | #include <TParticlePDG.h> | |
23 | ||
24 | #include <vector> | |
25 | ||
26 | ||
27 | /*********************************************************************** | |
28 | * | |
29 | * AliEveHF class | |
30 | * | |
31 | ************************************************************************/ | |
32 | ||
33 | ||
34 | ClassImp(AliEveHF) | |
35 | ||
36 | //______________________________________________________________________________ | |
37 | AliEveHF::AliEveHF(): | |
38 | TEvePointSet(), | |
39 | ||
40 | fAODobj(0x0), | |
41 | fRecBirthHF(0,0,0), | |
f8d5a389 | 42 | fRecDecayHF(0,0,0), |
12cc265f | 43 | fRecDecayMomHF(0,0,0), |
fa3634bd | 44 | fPointingAngleHF(0), |
45 | ||
46 | fNegTrack(0), | |
47 | fPosTrack(0), | |
48 | fRnrStyle(0), | |
49 | fPointingLine(0), | |
f8d5a389 | 50 | |
fa3634bd | 51 | fnProng(0), |
52 | fAODIndex(-1), | |
53 | fChi2SecondVtx(-1), | |
f8d5a389 | 54 | |
fa3634bd | 55 | fProngDCA(0x0), |
56 | fProngd0(0x0), | |
57 | fProngMaxProbPdg(0x0), | |
58 | fProngMaxProbPid(0x0), | |
59 | fInvariantMassPart(0), | |
60 | fInvariantMassAntiPart(0), | |
61 | fDecay(0) | |
62 | ||
63 | { | |
64 | // Default constructor. | |
65 | ||
66 | // Override from TEveElement. | |
67 | fPickable = kTRUE; | |
68 | fMainColorPtr = &fMarkerColor; | |
69 | } | |
70 | ||
71 | //______________________________________________________________________________ | |
12cc265f | 72 | AliEveHF::AliEveHF(TEveRecTrack* tNeg, TEveRecTrack* tPos, Double_t primVtx[3], AliAODRecoDecay* aodObj, TEveTrackPropagator* rs) : |
f8d5a389 | 73 | |
fa3634bd | 74 | TEvePointSet(), |
75 | ||
76 | fAODobj(aodObj), | |
77 | fRecBirthHF(primVtx[0], primVtx[1], primVtx[2]), | |
78 | fRecDecayHF(aodObj->GetSecVtxX(), aodObj->GetSecVtxY(), aodObj->GetSecVtxZ()), | |
12cc265f | 79 | fRecDecayMomHF(aodObj->Px(),aodObj->Py(),aodObj->Pz()), |
fa3634bd | 80 | fPointingAngleHF(aodObj->CosPointingAngle(primVtx)), |
81 | ||
82 | fNegTrack(new TEveTrack(tNeg, rs)), | |
83 | fPosTrack(new TEveTrack(tPos, rs)), | |
84 | fRnrStyle(rs), | |
85 | fPointingLine(new TEveLine("Pointing line")), | |
f8d5a389 | 86 | |
fa3634bd | 87 | fnProng(aodObj->GetNProngs()), |
88 | fAODIndex(-1), | |
89 | fChi2SecondVtx(aodObj->GetReducedChi2()), | |
f8d5a389 | 90 | |
fa3634bd | 91 | fProngDCA(0), |
92 | fProngd0(0), | |
93 | fProngMaxProbPdg(0), | |
94 | fProngMaxProbPid(0), | |
95 | fInvariantMassPart(0), | |
96 | fInvariantMassAntiPart(0), | |
97 | fDecay(0) | |
98 | { | |
f8d5a389 | 99 | |
fa3634bd | 100 | // Constructor with full HF specification. |
101 | // Override from TEveElement. | |
102 | fPickable = kTRUE; | |
103 | fMainColorPtr = &fMarkerColor; | |
104 | ||
105 | fMarkerStyle = 2; | |
106 | fMarkerColor = kSpring + 6; | |
107 | fMarkerSize = 0.3; | |
108 | ||
109 | fPointingLine->SetLineColor(fMarkerColor); | |
110 | fPointingLine->SetLineWidth(2); | |
111 | fPointingLine->IncDenyDestroy(); | |
112 | AddElement(fPointingLine); | |
113 | ||
114 | fPosTrack->SetLineColor(2); // red | |
115 | fPosTrack->SetStdTitle(); | |
116 | fNegTrack->SetLineColor(7); // light blue | |
117 | fNegTrack->SetStdTitle(); | |
118 | ||
119 | fNegTrack->IncDenyDestroy(); | |
120 | AddElement(fNegTrack); | |
121 | fPosTrack->IncDenyDestroy(); | |
122 | AddElement(fPosTrack); | |
123 | } | |
124 | ||
125 | //______________________________________________________________________________ | |
126 | AliEveHF::~AliEveHF() | |
127 | { | |
128 | // Destructor. Dereferences pos/neg tracks and pointing-line objects. | |
129 | ||
130 | fNegTrack->DecDenyDestroy(); | |
131 | fPosTrack->DecDenyDestroy(); | |
132 | fPointingLine->DecDenyDestroy(); | |
133 | } | |
134 | ||
135 | //_____________________________________________________________________________ | |
136 | void AliEveHF::SetProngDCA() const | |
f8d5a389 | 137 | { |
fa3634bd | 138 | for(Int_t ip=0; ip<fnProng; ip++) |
139 | fProngDCA[ip] = fAODobj->GetDCA(ip); | |
140 | } | |
141 | ||
142 | //______________________________________________________________________________ | |
143 | void AliEveHF::Setd0Prong() const | |
f8d5a389 | 144 | { |
fa3634bd | 145 | for(Int_t ip=0; ip<fnProng; ip++) |
146 | fProngd0[ip] = fAODobj->Getd0Prong(ip); | |
147 | } | |
148 | ||
149 | ||
150 | //______________________________________________________________________________ | |
151 | void AliEveHF::SetMaxProbPdgPid() | |
152 | { | |
153 | // Sets the maximum probability Pdg value and Pid for one daughter | |
154 | // Should be moved to TEveTrack property eventually (or AliEveTrack creation) | |
155 | Double_t pid[5]; | |
156 | Int_t pos = -1; | |
f8d5a389 | 157 | |
fa3634bd | 158 | for (Int_t ip=0; ip<fnProng; ip++){ |
f8d5a389 | 159 | fAODobj->GetPIDProng(ip, pid); |
fa3634bd | 160 | |
12cc265f | 161 | fProngMaxProbPid[ip]=pid[0]; |
fa3634bd | 162 | for (Int_t pp=1; pp<5; pp++) |
f8d5a389 | 163 | if (pid[pp]>pid[pp-1]) { |
fa3634bd | 164 | fProngMaxProbPid[ip]=pid[pp]; |
165 | pos = pp;} | |
166 | switch (pos) | |
f8d5a389 | 167 | { |
168 | case 0: | |
fa3634bd | 169 | fProngMaxProbPdg[ip] = -11; |
9772b83b | 170 | break; |
f8d5a389 | 171 | case 1: |
fa3634bd | 172 | fProngMaxProbPdg[ip] = -13; |
9772b83b | 173 | break; |
f8d5a389 | 174 | case 2: |
fa3634bd | 175 | fProngMaxProbPdg[ip] = 211; |
9772b83b | 176 | break; |
f8d5a389 | 177 | case 3: |
fa3634bd | 178 | fProngMaxProbPdg[ip] = 321; |
9772b83b | 179 | break; |
f8d5a389 | 180 | case 4: |
fa3634bd | 181 | fProngMaxProbPdg[ip] = 2212; |
9772b83b | 182 | break; |
fa3634bd | 183 | } |
184 | } | |
f8d5a389 | 185 | |
fa3634bd | 186 | } |
187 | ||
188 | //________________________________________________________________________________________ | |
189 | void AliEveHF::CalculateInvMass(Int_t decay) | |
190 | { | |
12cc265f | 191 | |
192 | //Method to calculate the invariant mass of the particle and the antiparticle. | |
fa3634bd | 193 | UInt_t pdg2[2]; |
194 | Double_t mPDG,minv; | |
f8d5a389 | 195 | |
196 | switch (decay) | |
197 | { | |
fa3634bd | 198 | case 0: // D0->Kpi |
199 | pdg2[0]=211; pdg2[1]=321; | |
200 | mPDG=TDatabasePDG::Instance()->GetParticle(421)->Mass(); | |
201 | minv = fAODobj->InvMass(fnProng,pdg2); | |
202 | fInvariantMassPart=minv; | |
f8d5a389 | 203 | |
fa3634bd | 204 | pdg2[0]=321; pdg2[1]=211; |
205 | minv = fAODobj->InvMass(fnProng,pdg2); | |
206 | fInvariantMassAntiPart=minv; | |
207 | break; | |
208 | } | |
f8d5a389 | 209 | |
fa3634bd | 210 | } |
211 | ||
212 | //______________________________________________________________________________ | |
213 | Bool_t AliEveHF::SelectInvMass(Int_t decay, Float_t decayCuts) | |
214 | { | |
12cc265f | 215 | |
216 | //Member fuction to select particles using the invariant mass cuts. | |
fa3634bd | 217 | UInt_t pdg2[2]; |
218 | Double_t mPDG,minv; | |
f8d5a389 | 219 | |
fa3634bd | 220 | Bool_t retval=kFALSE; |
f8d5a389 | 221 | switch (decay) |
222 | { | |
fa3634bd | 223 | case 0: // D0->Kpi |
224 | pdg2[0]=211; pdg2[1]=321; | |
225 | mPDG=TDatabasePDG::Instance()->GetParticle(421)->Mass(); | |
226 | minv = fAODobj->InvMass(fnProng,pdg2); | |
227 | fInvariantMassPart=minv; | |
228 | if(TMath::Abs(minv-mPDG)<decayCuts) retval=kTRUE; | |
229 | pdg2[0]=321; pdg2[1]=211; | |
230 | minv = fAODobj->InvMass(fnProng,pdg2); | |
231 | fInvariantMassAntiPart=minv; | |
232 | if(TMath::Abs(minv-mPDG)<decayCuts) retval=kTRUE; | |
233 | break; | |
234 | } | |
235 | return retval; | |
236 | ||
237 | } | |
238 | ||
239 | ||
240 | //______________________________________________________________________________ | |
241 | void AliEveHF::MakeHF() | |
242 | { | |
243 | // Set all dependant components for drawing. | |
244 | ||
245 | SetPoint(0, fRecDecayHF.fX, fRecDecayHF.fY, fRecDecayHF.fZ); | |
246 | ||
247 | fNegTrack->MakeTrack(); | |
248 | fPosTrack->MakeTrack(); | |
249 | ||
250 | fPointingLine->SetPoint(0, fRecBirthHF.fX, fRecBirthHF.fY, fRecBirthHF.fZ); | |
251 | fPointingLine->SetPoint(1, fRecDecayHF.fX, fRecDecayHF.fY, fRecDecayHF.fZ); | |
252 | } | |
253 | ||
254 | /*********************************************************************** | |
255 | * | |
256 | * AliEveHFList class | |
257 | * | |
258 | ************************************************************************/ | |
259 | ||
260 | ClassImp(AliEveHFList) | |
261 | ||
262 | //______________________________________________________________________________ | |
263 | AliEveHFList::AliEveHFList() : | |
264 | TEveElementList(), | |
265 | fTitle(), | |
266 | fRnrStyle(0), | |
267 | fRnrDaughters(kTRUE), | |
268 | fRnrHFvtx(kTRUE), | |
269 | fRnrHFpath(kTRUE), | |
270 | fProngColor(0), | |
271 | fMinRCut(0), | |
272 | fMaxRCut(250), | |
273 | fMinDaughterDCA(0), | |
274 | fMaxDaughterDCA(1), | |
275 | fMinPt(0), | |
276 | fMaxPt(20), | |
277 | fMinCosPointingAngle(0), | |
278 | fMaxCosPointingAngle(1), | |
279 | fMind0(-3), | |
280 | fMaxd0(3), | |
281 | fProngCheckedPid(0x0), | |
282 | fProngCheckedProb(0x0), | |
283 | fDeltaInvariantMass(0), | |
284 | fDecay(0) | |
285 | { | |
286 | // Default constructor. | |
287 | ||
288 | fChildClass = AliEveHF::Class(); // override member from base TEveElementList | |
289 | } | |
290 | ||
291 | //______________________________________________________________________________ | |
292 | AliEveHFList::AliEveHFList(TEveTrackPropagator* rs) : | |
293 | TEveElementList(), | |
294 | fTitle(), | |
295 | fRnrStyle(rs), | |
296 | fRnrDaughters(kTRUE), | |
297 | fRnrHFvtx(kTRUE), | |
298 | fRnrHFpath(kTRUE), | |
299 | fProngColor(0), | |
300 | fMinRCut(0), | |
301 | fMaxRCut(250), | |
302 | fMinDaughterDCA(0), | |
303 | fMaxDaughterDCA(1), | |
304 | fMinPt(0), | |
305 | fMaxPt(20), | |
306 | fMinCosPointingAngle(0), | |
307 | fMaxCosPointingAngle(1), | |
308 | fMind0(-3), | |
309 | fMaxd0(3), | |
310 | fProngCheckedPid(0x0), | |
311 | fProngCheckedProb(0x0), | |
312 | fDeltaInvariantMass(1), | |
313 | fDecay(0) | |
314 | { | |
315 | // Constructor with given track-propagator.. | |
316 | ||
317 | fChildClass = AliEveHF::Class(); // override member from base TEveElementList | |
318 | ||
319 | Init(); | |
320 | } | |
321 | ||
322 | //______________________________________________________________________________ | |
323 | AliEveHFList::AliEveHFList(const Text_t* name, TEveTrackPropagator* rs) : | |
324 | TEveElementList(), | |
325 | fTitle(), | |
326 | fRnrStyle(rs), | |
327 | fRnrDaughters(kTRUE), | |
328 | fRnrHFvtx(kTRUE), | |
329 | fRnrHFpath(kTRUE), | |
330 | fProngColor(0), | |
331 | fMinRCut(0), | |
332 | fMaxRCut(100), | |
333 | fMinDaughterDCA(0), | |
334 | fMaxDaughterDCA(1), | |
335 | fMinPt(0), | |
336 | fMaxPt(20), | |
337 | fMinCosPointingAngle(0), | |
338 | fMaxCosPointingAngle(1), | |
339 | fMind0(-3), | |
340 | fMaxd0(3), | |
341 | fProngCheckedPid(0x0), | |
342 | fProngCheckedProb(0x0), | |
343 | fDeltaInvariantMass(1), | |
344 | fDecay(0) | |
345 | { | |
346 | // Standard constructor. | |
347 | ||
348 | fChildClass = AliEveHF::Class(); // override member from base TEveElementList | |
349 | ||
350 | Init(); | |
351 | SetName(name); | |
352 | } | |
353 | ||
354 | //______________________________________________________________________________ | |
355 | void AliEveHFList::Init() | |
356 | { | |
357 | // Initialize members needed for drawing operations. | |
358 | ||
359 | if (fRnrStyle== 0) fRnrStyle = new TEveTrackPropagator; | |
360 | } | |
361 | ||
362 | /******************************************************************************/ | |
363 | ||
364 | //______________________________________________________________________________ | |
365 | void AliEveHFList::MakeHFs() | |
366 | { | |
367 | // Call MakeHF() for all elements. | |
368 | ||
369 | for(List_i i=fChildren.begin(); i!=fChildren.end(); i++) { | |
370 | ((AliEveHF*)(*i))->MakeHF(); | |
371 | } | |
372 | gEve->Redraw3D(); | |
373 | } | |
374 | ||
375 | /******************************************************************************/ | |
376 | ||
377 | ||
378 | //______________________________________________________________________________ | |
379 | void AliEveHFList::FilterByPt(Float_t minPt, Float_t maxPt) | |
380 | { | |
f8d5a389 | 381 | |
12cc265f | 382 | //Select visibility of elements based on their Pt |
fa3634bd | 383 | |
384 | fMinPt = minPt; | |
385 | fMaxPt = maxPt; | |
386 | ||
12cc265f | 387 | for(List_i i = fChildren.begin(); i != fChildren.end(); ++i) |
fa3634bd | 388 | { |
389 | AliEveHF *hf = (AliEveHF*) *i; | |
390 | Float_t pt = hf->GetPt(); | |
391 | Bool_t show = ((pt >= fMinPt) && (pt <= fMaxPt)); | |
392 | hf->SetRnrState(show); | |
393 | } | |
394 | ElementChanged(); | |
395 | gEve->Redraw3D(); | |
396 | } | |
397 | //______________________________________________________________________________ | |
398 | void AliEveHFList::FilterByRadius(Float_t minR, Float_t maxR) | |
399 | { | |
400 | // Select visibility of elements based on their axial radius. | |
401 | ||
402 | fMinRCut = minR; | |
403 | fMaxRCut = maxR; | |
404 | ||
12cc265f | 405 | for(List_i i = fChildren.begin(); i != fChildren.end(); ++i) |
fa3634bd | 406 | { |
407 | AliEveHF *hf = (AliEveHF*) *i; | |
408 | Float_t rad = hf->GetRadius(); | |
409 | Bool_t show = rad >= fMinRCut && rad <= fMaxRCut; | |
410 | hf->SetRnrState(show); | |
411 | } | |
412 | ElementChanged(); | |
413 | gEve->Redraw3D(); | |
414 | } | |
415 | ||
416 | /******************************************************************************/ | |
417 | ||
418 | ||
419 | //______________________________________________________________________________ | |
420 | void AliEveHFList::FilterByCosPointingAngle(Float_t minCosPointingAngle, Float_t maxCosPointingAngle) | |
421 | { | |
12cc265f | 422 | // Select visibility of elements based on the HF cosine of the pointing angle |
fa3634bd | 423 | |
424 | fMinCosPointingAngle = minCosPointingAngle; | |
425 | fMaxCosPointingAngle = maxCosPointingAngle; | |
426 | ||
427 | ||
12cc265f | 428 | for(List_i i = fChildren.begin(); i != fChildren.end(); ++i) |
fa3634bd | 429 | { |
430 | AliEveHF *hf = (AliEveHF*) *i; | |
431 | Float_t cosPointingAngle = hf->GetCosPointingAngle(); | |
432 | Bool_t show = cosPointingAngle >= fMinCosPointingAngle && cosPointingAngle <= fMaxCosPointingAngle; | |
433 | hf->SetRnrState(show); | |
f8d5a389 | 434 | |
fa3634bd | 435 | ElementChanged(); |
436 | gEve->Redraw3D(); | |
437 | } | |
438 | } | |
439 | //______________________________________________________________________________ | |
440 | void AliEveHFList::FilterByd0(Float_t mind0, Float_t maxd0) | |
441 | { | |
12cc265f | 442 | // Select visibility of elements based on the HF impact parameter. |
fa3634bd | 443 | |
444 | fMind0 = mind0; | |
445 | fMaxd0 = maxd0; | |
446 | ||
447 | for(List_i i = fChildren.begin(); i != fChildren.end(); ++i) | |
448 | { | |
449 | AliEveHF *hf = (AliEveHF*) *i; | |
450 | Int_t nProng=(Int_t)hf->GetAODobj()->GetNProngs(); | |
f8d5a389 | 451 | for(Int_t ip = 1; ip < nProng; ++ip) { |
fa3634bd | 452 | Double_t d0 = hf->Getd0Prong(ip); |
453 | Bool_t show = d0 >= fMind0 && d0 <= fMaxd0; | |
454 | hf->SetRnrState(show); | |
455 | } | |
456 | ElementChanged(); | |
457 | gEve->Redraw3D(); | |
458 | } | |
459 | } | |
460 | ||
461 | ||
462 | //______________________________________________________________________________ | |
463 | void AliEveHFList::FilterByDCA(Float_t minDaughterDCA, Float_t maxDaughterDCA) | |
464 | { | |
465 | // Select visibility of elements based on the DCA between daughters. | |
466 | ||
467 | fMinDaughterDCA = minDaughterDCA; | |
468 | fMaxDaughterDCA = maxDaughterDCA; | |
469 | ||
470 | Double_t dca; | |
471 | AliEveHF *hf(); | |
f8d5a389 | 472 | |
fa3634bd | 473 | |
474 | for(List_i i = fChildren.begin(); i != fChildren.end(); ++i) | |
475 | { | |
476 | AliEveHF* hf = (AliEveHF*) *i; | |
477 | Int_t nProng=(Int_t)hf->GetAODobj()->GetNProngs(); | |
f8d5a389 | 478 | for(Int_t ip = 1; ip < nProng; ++ip) { |
fa3634bd | 479 | dca = hf->GetProngDCA(ip); |
480 | Bool_t show = dca >= fMinDaughterDCA && dca <= fMaxDaughterDCA; | |
481 | hf->SetRnrState(show); | |
f8d5a389 | 482 | } |
fa3634bd | 483 | } |
484 | ElementChanged(); | |
485 | gEve->Redraw3D(); | |
486 | } | |
f8d5a389 | 487 | |
fa3634bd | 488 | /******************************************************************************/ |
489 | //______________________________________________________________________________ | |
490 | /*void AliEveHFList::FilterByCheckedPidMinProb(Int_t rFlag,Int_t rDaughter, Int_t rPid, Float_t rProb) | |
491 | { | |
492 | ||
493 | if (!rDaughter){ | |
494 | fNegCheckedPid = rPid; | |
495 | fNegCheckedProb = rProb; | |
496 | } | |
497 | else { | |
498 | fPosCheckedPid = rPid; | |
499 | fPosCheckedProb = rProb; | |
500 | } | |
501 | ||
502 | // Select visibility of elements based on one of the V0 daughters PID | |
503 | for(List_i i = fChildren.begin(); i != fChildren.end(); ++i) | |
504 | { | |
505 | AliEveHF* hf = (AliEveHF*) *i; | |
506 | Int_t pid = 0; | |
507 | Float_t prob = 0.0; | |
508 | Bool_t show = 0; | |
509 | if (!rDaughter) {// Negative daughter checked | |
510 | pid = hf->GetNegMaxProbPdg(); | |
511 | prob = hf->GetNegMaxProbPid(); | |
f8d5a389 | 512 | show = (pid == fNegCheckedPid && prob > fNegCheckedProb) || !rFlag ; |
fa3634bd | 513 | } |
514 | else if (rDaughter) {// Positive daughter checked | |
515 | pid = hf->GetPosMaxProbPdg(); | |
516 | prob = hf->GetPosMaxProbPid(); | |
f8d5a389 | 517 | show = (pid == fPosCheckedPid && prob > fPosCheckedProb) || !rFlag ; |
fa3634bd | 518 | } |
519 | hf->SetRnrState(show); | |
520 | exit } | |
521 | ElementChanged(); | |
522 | gEve->Redraw3D(); | |
523 | }*/ | |
524 | ||
525 | //______________________________________________________________________________ | |
526 | ||
527 | void AliEveHFList::FilterByInvariantMass(Int_t decay, Float_t deltaInvariantMass) | |
528 | { | |
529 | // Select visibility of elements based on the HF invariant mass. | |
530 | ||
531 | fDeltaInvariantMass = deltaInvariantMass; | |
532 | fDecay = decay; | |
533 | ||
534 | for(List_i i = fChildren.begin(); i != fChildren.end(); ++i) | |
535 | { | |
536 | AliEveHF* hf = (AliEveHF*) *i; | |
537 | Bool_t show = hf->SelectInvMass(decay, fDeltaInvariantMass); | |
538 | // if (show) show = (invMass >= (fInvariantMass-fDeltaInvariantMass)) && (invMass <= (fInvariantMass+fDeltaInvariantMass)); | |
539 | hf->SetRnrState(show); | |
540 | } | |
541 | ElementChanged(); | |
542 | gEve->Redraw3D(); | |
543 | } |