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afa8b37b | 1 | #include "AliAODParticle.h" |
2 | //___________________________________________________________ | |
a5556ea5 | 3 | ///////////////////////////////////////////////////////////// |
4 | // | |
afa8b37b | 5 | // class AliAODParticle |
a5556ea5 | 6 | // |
afa8b37b | 7 | // Ali HBT Particle: simplified class TParticle |
8 | // Simplified in order to minimize the size of object | |
9 | // - we want to keep a lot of such a objects in memory | |
10 | // Additionaly adjusted for HBT Analysies purposes | |
11 | // + pointer to Track Points | |
12 | // + pointer to Cluster Map(s) | |
a5556ea5 | 13 | // |
afa8b37b | 14 | // Piotr.Skowronski@cern.ch |
a5556ea5 | 15 | // |
16 | ///////////////////////////////////////////////////////////// | |
afa8b37b | 17 | #include <TParticle.h> |
18 | #include "AliTrackPoints.h" | |
19 | #include "AliClusterMap.h" | |
a5556ea5 | 20 | |
afa8b37b | 21 | ClassImp(AliAODParticle) |
a5556ea5 | 22 | |
afa8b37b | 23 | //______________________________________________________________________________ |
24 | AliAODParticle::AliAODParticle(): | |
25 | fPdgIdx(0), fIdxInEvent(0),fNPids(0),fPids(0x0),fPidProb(0x0), | |
26 | fCalcMass(0),fPx(0), fPy(0),fPz(0),fE(0), fVx(0), fVy(0),fVz(0),fVt(0), | |
78d7c6d3 | 27 | fTPCTrackPoints(0x0),fITSTrackPoints(0x0),fClusterMap(0x0) |
afa8b37b | 28 | {//empty particle |
29 | } | |
30 | //______________________________________________________________________________ | |
a5556ea5 | 31 | |
afa8b37b | 32 | AliAODParticle::AliAODParticle(Int_t pdg, Int_t idx, |
33 | Double_t px, Double_t py, Double_t pz, Double_t etot, | |
34 | Double_t vx, Double_t vy, Double_t vz, Double_t time): | |
35 | fPdgIdx(0), fIdxInEvent(idx),fNPids(0),fPids(0x0),fPidProb(0x0), | |
36 | fCalcMass(0), | |
37 | fPx(px), fPy(py),fPz(pz),fE(etot), | |
38 | fVx(vx), fVy(vy),fVz(vz),fVt(time), | |
78d7c6d3 | 39 | fTPCTrackPoints(0x0),fITSTrackPoints(0x0),fClusterMap(0x0) |
afa8b37b | 40 | { |
41 | //mormal constructor | |
42 | SetPdgCode(pdg); | |
43 | if (GetPDG()) { | |
44 | fCalcMass = GetPDG()->Mass(); | |
45 | } else { | |
46 | Double_t a2 = fE*fE -fPx*fPx -fPy*fPy -fPz*fPz; | |
47 | if (a2 >= 0) fCalcMass = TMath::Sqrt(a2); | |
48 | else fCalcMass = -TMath::Sqrt(-a2); | |
49 | } | |
50 | } | |
51 | //______________________________________________________________________________ | |
52 | ||
53 | AliAODParticle::AliAODParticle(Int_t pdg, Float_t prob, Int_t idx, | |
54 | Double_t px, Double_t py, Double_t pz, Double_t etot, | |
55 | Double_t vx, Double_t vy, Double_t vz, Double_t time): | |
56 | fPdgIdx(0), fIdxInEvent(idx),fNPids(0),fPids(0x0),fPidProb(0x0), | |
57 | fCalcMass(0), | |
58 | fPx(px), fPy(py),fPz(pz),fE(etot), | |
59 | fVx(vx), fVy(vy),fVz(vz),fVt(time), | |
78d7c6d3 | 60 | fTPCTrackPoints(0x0),fITSTrackPoints(0x0),fClusterMap(0x0) |
afa8b37b | 61 | { |
62 | //mormal constructor | |
63 | SetPdgCode(pdg,prob); | |
64 | if (GetPDG()) { | |
65 | fCalcMass = GetPDG()->Mass(); | |
66 | } else { | |
67 | Double_t a2 = fE*fE -fPx*fPx -fPy*fPy -fPz*fPz; | |
68 | if (a2 >= 0) fCalcMass = TMath::Sqrt(a2); | |
69 | else fCalcMass = -TMath::Sqrt(-a2); | |
70 | } | |
71 | } | |
72 | //______________________________________________________________________________ | |
78d7c6d3 | 73 | |
afa8b37b | 74 | AliAODParticle::AliAODParticle(const AliAODParticle& in): |
75 | AliVAODParticle(in), | |
76 | fPdgIdx(in.fPdgIdx), fIdxInEvent(in.fIdxInEvent), | |
77 | fNPids(in.fNPids),fPids(new Int_t[fNPids]),fPidProb(new Float_t[fNPids]), | |
78 | fCalcMass(in.GetCalcMass()), | |
79 | fPx(in.Px()),fPy(in.Py()),fPz(in.Pz()),fE(in.Energy()), | |
80 | fVx(in.Vx()),fVy(in.Vy()),fVz(in.Vz()),fVt(in.T()), | |
78d7c6d3 | 81 | fTPCTrackPoints(0x0),fITSTrackPoints(0x0),fClusterMap(0x0) |
afa8b37b | 82 | { |
83 | //Copy constructor | |
84 | for(Int_t i = 0; i<fNPids; i++) | |
85 | { | |
86 | fPids[i] = in.fPids[i]; | |
87 | fPidProb[i] = in.fPidProb[i]; | |
88 | } | |
89 | ||
78d7c6d3 | 90 | if (in.fTPCTrackPoints) |
91 | fTPCTrackPoints = (AliTrackPoints*)in.fTPCTrackPoints->Clone(); | |
92 | if (in.fITSTrackPoints) | |
93 | fITSTrackPoints = (AliTrackPoints*)in.fITSTrackPoints->Clone(); | |
afa8b37b | 94 | if (in.fClusterMap) |
95 | fClusterMap = (AliClusterMap*)in.fClusterMap->Clone(); | |
96 | } | |
78d7c6d3 | 97 | //______________________________________________________________________________ |
afa8b37b | 98 | |
78d7c6d3 | 99 | AliAODParticle::AliAODParticle(const AliVAODParticle& in): |
100 | AliVAODParticle(in), | |
101 | fPdgIdx(0), fIdxInEvent(in.GetUID()), | |
102 | fNPids(0),fPids(0x0),fPidProb(0x0), | |
103 | fCalcMass(-1.0), | |
104 | fPx(in.Px()),fPy(in.Py()),fPz(in.Pz()),fE(in.E()), | |
105 | fVx(in.Vx()),fVy(in.Vy()),fVz(in.Vz()),fVt(in.T()), | |
106 | fTPCTrackPoints(0x0),fITSTrackPoints(0x0),fClusterMap(0x0) | |
107 | { | |
108 | //Copy constructor | |
109 | ||
110 | for(Int_t i = 0; i<in.GetNumberOfPids(); i++) | |
111 | { | |
112 | SetPIDprobability(in.GetNthPid(i),in.GetNthPidProb(i)); | |
113 | } | |
114 | SetPdgCode(in.GetPdgCode(),in.GetPidProb()); | |
115 | ||
116 | AliTrackPoints* tpts = in.GetTPCTrackPoints(); | |
117 | if (tpts) SetTPCTrackPoints((AliTrackPoints*)tpts->Clone()); | |
118 | ||
119 | tpts = in.GetITSTrackPoints(); | |
120 | if (tpts) SetITSTrackPoints((AliTrackPoints*)tpts->Clone()); | |
121 | ||
122 | AliClusterMap* clmap = in.GetClusterMap(); | |
123 | if (clmap) SetClusterMap((AliClusterMap*)clmap->Clone()); | |
124 | } | |
afa8b37b | 125 | //______________________________________________________________________________ |
78d7c6d3 | 126 | |
afa8b37b | 127 | AliAODParticle::AliAODParticle(const TParticle &p,Int_t idx): |
128 | fPdgIdx(0), fIdxInEvent(idx), | |
129 | fNPids(0),fPids(0x0),fPidProb(0x0), | |
130 | fCalcMass(p.GetCalcMass()), | |
131 | fPx(p.Px()),fPy(p.Py()),fPz(p.Pz()),fE(p.Energy()), | |
132 | fVx(p.Vx()),fVy(p.Vy()),fVz(p.Vz()),fVt(p.T()), | |
78d7c6d3 | 133 | fTPCTrackPoints(0x0),fITSTrackPoints(0x0),fClusterMap(0x0) |
afa8b37b | 134 | { |
135 | //all copied in the initialization | |
136 | SetPdgCode(p.GetPdgCode()); | |
137 | } | |
138 | //______________________________________________________________________________ | |
139 | ||
140 | AliAODParticle::~AliAODParticle() | |
141 | { | |
142 | //dtor | |
143 | delete [] fPids; | |
144 | delete [] fPidProb; | |
78d7c6d3 | 145 | delete fTPCTrackPoints; |
146 | delete fITSTrackPoints; | |
afa8b37b | 147 | delete fClusterMap; |
148 | } | |
149 | //______________________________________________________________________________ | |
150 | ||
295c08ac | 151 | void AliAODParticle::Clear(Option_t*) |
152 | { | |
153 | //Must be implemented in order to store this object in Clones Array | |
154 | delete [] fPids; | |
155 | delete [] fPidProb; | |
156 | delete fTPCTrackPoints; | |
157 | delete fITSTrackPoints; | |
158 | delete fClusterMap; | |
159 | ||
160 | fPids = 0x0; | |
161 | fPidProb = 0x0; | |
162 | fTPCTrackPoints = 0x0; | |
163 | fITSTrackPoints = 0x0; | |
164 | fClusterMap = 0x0; | |
165 | } | |
166 | //______________________________________________________________________________ | |
167 | ||
afa8b37b | 168 | AliAODParticle& AliAODParticle::operator=(const AliAODParticle& in) |
169 | { | |
170 | //assigment operator | |
171 | ||
172 | fNPids = in.fNPids; | |
173 | delete [] fPids; | |
174 | delete [] fPidProb; | |
175 | Int_t* fPids = new Int_t[fNPids]; | |
176 | Float_t* fPidProb = new Float_t[fNPids]; | |
177 | for (Int_t i = 0; i < fNPids;i++) | |
178 | { | |
179 | fPids[i] = in.fPids[i]; | |
180 | fPidProb[i] = in.fPidProb[i]; | |
181 | } | |
182 | ||
183 | fPdgIdx = in.fPdgIdx; | |
184 | fIdxInEvent = in.fIdxInEvent; | |
185 | fCalcMass = in.GetCalcMass(); | |
186 | fPx = in.Px(); | |
187 | fPy = in.Py(); | |
188 | fPz = in.Pz(); | |
189 | fE = in.Energy(); | |
190 | fVx = in.Vx(); | |
191 | fVy = in.Vy(); | |
192 | fVz = in.Vz(); | |
193 | fVt = in.T(); | |
194 | ||
78d7c6d3 | 195 | delete fTPCTrackPoints; |
196 | fTPCTrackPoints = (in.fTPCTrackPoints)?(AliTrackPoints*)fTPCTrackPoints->Clone():0x0; | |
197 | ||
198 | delete fITSTrackPoints; | |
199 | fITSTrackPoints = (in.fITSTrackPoints)?(AliTrackPoints*)fITSTrackPoints->Clone():0x0; | |
afa8b37b | 200 | |
201 | delete fClusterMap; | |
202 | fClusterMap = (in.fClusterMap)?(AliClusterMap*)in.fClusterMap->Clone():0x0; | |
203 | ||
204 | return *this; | |
205 | } | |
206 | //______________________________________________________________________________ | |
207 | ||
208 | void AliAODParticle::SetPdgCode(Int_t pdg,Float_t prob) | |
209 | { | |
210 | SetPIDprobability(pdg,prob); | |
211 | fPdgIdx = GetPidSlot(pdg); | |
212 | } | |
213 | ||
214 | //______________________________________________________________________________ | |
215 | void AliAODParticle::SetPIDprobability(Int_t pdg, Float_t prob) | |
216 | { | |
217 | //Sets another pdg code and corresponding probabilty | |
218 | //Ids are set in decreasing order | |
219 | //Check if total prbaility is not ivercoming unity is performed | |
220 | //in case, warning is printed | |
221 | if (GetDebug() > 9) Info("SetPIDprobability","Setting PID %d prob %f",pdg,prob); | |
222 | ||
223 | Float_t totprob = 0.0;//sums up probabilities | |
224 | Int_t idx = GetPidSlot(pdg); | |
225 | Int_t i; | |
226 | if (idx > -1) | |
227 | { | |
228 | fPidProb[idx] = prob; | |
229 | for (i = 0; i < fNPids;i++) totprob+=fPidProb[i]; | |
230 | if (totprob > (1.0+0.000001)) | |
231 | { | |
232 | Warning("SetPIDprobability","Total probability greater than unity (%f)",totprob); | |
233 | } | |
234 | if (GetDebug() > 9) | |
235 | { | |
236 | Info("SetPIDprobability","Current Total probability: %f",totprob); | |
237 | } | |
238 | return; | |
239 | } | |
240 | ||
241 | Int_t currentpid = GetPdgCode(); | |
242 | fNPids++; | |
243 | Float_t* aPidProbNew = new Float_t[fNPids]; | |
244 | Int_t* aPidsNew = new Int_t[fNPids]; | |
245 | ||
246 | for (i = 0; i < fNPids-1;i++)//find a slot | |
247 | { | |
248 | if ( fPidProb[i] > prob) | |
249 | { | |
250 | if (GetDebug()>9) Info("SetPID","Copying entry %d",i); | |
251 | aPidProbNew[i] = fPidProb[i]; | |
252 | aPidsNew[i] = fPids[i]; | |
253 | totprob+=fPidProb[i]; | |
254 | } | |
255 | else break; | |
256 | } | |
257 | ||
258 | if (GetDebug() > 9) Info("SetPID","Setting new PID on entry %d",i); | |
259 | aPidProbNew[i] = prob; | |
260 | aPidsNew[i] = pdg; | |
261 | totprob+=prob; | |
262 | ||
263 | ||
264 | for (Int_t j = fNPids-1; j > i ;j--)//copy rest of old araays | |
265 | { | |
266 | if (GetDebug() > 9) Info("SetPID","Copying from old entry %d to new entry %d",j-1,j); | |
267 | aPidProbNew[j] = fPidProb[j-1]; | |
268 | aPidsNew[j] = fPids[j-1]; | |
269 | totprob+=fPidProb[j-1]; | |
270 | } | |
271 | ||
272 | delete [] fPidProb; | |
273 | delete [] fPids; | |
274 | ||
275 | fPidProb = aPidProbNew; | |
276 | fPids = aPidsNew; | |
277 | ||
278 | fPdgIdx = GetPidSlot(currentpid); | |
279 | if (fPdgIdx == -1) fPdgIdx = 0; | |
280 | ||
78d7c6d3 | 281 | if (totprob > (1.0+0.000001))//space for numerical error |
afa8b37b | 282 | { |
283 | Warning("SetId","Total probability is greater than unity (%f)!!!",totprob); | |
284 | Print(); | |
285 | } | |
286 | } | |
287 | //______________________________________________________________________________ | |
a5556ea5 | 288 | |
afa8b37b | 289 | Float_t AliAODParticle::GetPIDprobability(Int_t pdg) const |
290 | { | |
291 | //Returns probability that this particle is the type of pdg | |
292 | Int_t idx = GetPidSlot(pdg); | |
293 | if (idx < 0) return 0.0;//such pid was not specified for this particle | |
294 | return fPidProb[idx]; | |
295 | } | |
296 | //______________________________________________________________________________ | |
297 | ||
298 | const Char_t* AliAODParticle::GetName() const | |
299 | { | |
300 | //returns name of this particle | |
301 | static char def[4] = "XXX"; | |
302 | const TParticlePDG *ap = TDatabasePDG::Instance()->GetParticle(GetPdgCode()); | |
303 | if (ap) return ap->GetName(); | |
304 | else return def; | |
305 | } | |
306 | //______________________________________________________________________________ | |
307 | ||
308 | Int_t AliAODParticle::GetPidSlot(Int_t pdg) const | |
309 | { | |
310 | //returns position of the given PID in fPids (and fPidProb) array. | |
311 | if (fPids == 0x0) return -1; | |
312 | for (Int_t i = 0; i< fNPids; i++) | |
313 | { | |
314 | if (fPids[i] == pdg) return i; | |
315 | } | |
316 | return -1; | |
317 | } | |
318 | //______________________________________________________________________________ | |
319 | ||
320 | Int_t AliAODParticle::GetNthPid(Int_t idx) const | |
321 | { | |
322 | //returns PID sitting on slot idx in fPids | |
323 | if ( (idx < 0) || (idx >= fNPids) ) | |
324 | { | |
325 | Error("GetNthPid","Out Of Bounds"); | |
326 | return 0; | |
327 | } | |
328 | return fPids[idx]; | |
329 | } | |
330 | //______________________________________________________________________________ | |
331 | ||
332 | Float_t AliAODParticle::GetNthPidProb(Int_t idx) const | |
333 | { | |
334 | //returns PID sitting on slot idx in fPidProb | |
335 | if ( (idx < 0) || (idx >= fNPids) ) | |
336 | { | |
337 | Error("GetNthPid","Out Of Bounds"); | |
338 | return 0; | |
339 | } | |
340 | return fPidProb[idx]; | |
341 | } | |
342 | //______________________________________________________________________________ | |
343 | ||
344 | void AliAODParticle::Print() const | |
345 | { | |
346 | //prints information about particle | |
347 | printf("____________________________________________________\n"); | |
348 | printf("Idx: %d PID: %d Name: ",fIdxInEvent,GetPdgCode()); | |
349 | TParticlePDG *pdgp = TDatabasePDG::Instance()->GetParticle(GetPdgCode()); | |
350 | if (pdgp) | |
351 | { | |
352 | printf("%s Mass: %f\n",pdgp->GetName(),pdgp->Mass()); | |
353 | } | |
354 | else | |
355 | { | |
356 | printf("Not known\n"); | |
357 | } | |
358 | ||
359 | printf("Px: %+f Py: %+f Pz: %+f E: %+f Calculated Mass: %f\nVx: %+f Vy: %+f Vz: %+f T: %+f\n", | |
360 | Px(),Py(),Pz(),Energy(),GetCalcMass(),Vx(),Vy(),Vz(),T()); | |
361 | ||
362 | for (Int_t i = 0; i < fNPids; i++) | |
363 | { | |
364 | printf("# %d PID: %d Probability %f name ",i,fPids[i],fPidProb[i]); | |
365 | const TParticlePDG *ap = TDatabasePDG::Instance()->GetParticle(fPids[i]); | |
366 | if (ap) | |
367 | { | |
368 | printf("%s Mass %f\n",ap->GetName(),ap->Mass()); | |
369 | } | |
370 | else | |
371 | { | |
372 | printf("Not known\n"); | |
373 | } | |
374 | } | |
375 | } | |
376 | ||
377 | //______________________________________________________________________________ | |
378 | ||
379 | //void AliAODParticle::Streamer(TBuffer &b) | |
380 | //{ | |
381 | // // Stream all objects in the array to or from the I/O buffer. | |
382 | // UInt_t R__s, R__c; | |
383 | // Int_t i; | |
384 | // if (b.IsReading()) | |
385 | // { | |
386 | // delete [] fPids; | |
387 | // delete [] fPidProb; | |
388 | // | |
389 | // Version_t v = b.ReadVersion(&R__s, &R__c); | |
390 | // if (v == 1) | |
391 | // { | |
392 | // AliAODParticle::Class()->ReadBuffer(b, this); | |
393 | // } | |
394 | // else | |
395 | // { | |
396 | // TObject::Streamer(b); | |
397 | // b >> fPdgIdx; | |
398 | // b >> fIdxInEvent; | |
399 | // | |
400 | // b >> fNPids; | |
401 | // Int_t* fPids = new Int_t[fNPids]; | |
402 | // Float_t* fPidProb = new Float_t[fNPids]; | |
403 | // for (i = 0;i<fNPids;i++) | |
404 | // { | |
405 | // b >> fPids[i]; | |
406 | // } | |
407 | // for (i = 0;i<fNPids;i++) | |
408 | // { | |
409 | // b >> fPidProb[i]; | |
410 | // } | |
411 | // b >> fCalcMass; | |
412 | // | |
413 | // b >> fPx; | |
414 | // b >> fPy; | |
415 | // b >> fPz; | |
416 | // b >> fE; | |
417 | // | |
418 | // b >> fVx; | |
419 | // b >> fVy; | |
420 | // b >> fVz; | |
421 | // b >> fVt; | |
422 | // Info("Streamer","Read data"); | |
423 | // Print(); | |
424 | // } | |
425 | // | |
426 | // b.CheckByteCount(R__s, R__c,AliAODParticle::IsA()); | |
427 | // } | |
428 | // else | |
429 | // { | |
430 | // R__c = b.WriteVersion(AliAODParticle::IsA(), kTRUE); | |
431 | // TObject::Streamer(b); | |
432 | // Info("Streamer","Read data"); | |
433 | // Print(); | |
434 | // | |
435 | // b << fPdgIdx; | |
436 | // b << fIdxInEvent; | |
437 | // b << fNPids; | |
438 | // for (i = 0;i<fNPids;i++) | |
439 | // { | |
440 | // b << fPids[i]; | |
441 | // } | |
442 | // { | |
443 | // { | |
444 | // for (i = 0;i<fNPids;i++) | |
445 | // { | |
446 | // b << fPidProb[i]; | |
447 | // } | |
448 | // b << fCalcMass; | |
449 | // | |
450 | // b << fPx; | |
451 | // b << fPy; | |
452 | // b << fPz; | |
453 | // b << fE; | |
454 | // | |
455 | // b << fVx; | |
456 | // b << fVy; | |
457 | // b << fVz; | |
458 | // b << fVt; | |
459 | // | |
460 | // b.SetByteCount(R__c, kTRUE); | |
461 | // } | |
462 | //} |