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1 | /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * |
2 | * See cxx source for full Copyright notice */ |
3 | |
4 | /* $Id$ */ |
5 | |
6 | // Implementation of the interface for THBTprocessor |
7 | // Author: Piotr Krzysztof Skowronski <Piotr.Skowronski@cern.ch> |
8 | |
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9 | // 09.10.2001 Piotr Skowronski |
10 | // |
11 | // Theta - Eta cohernecy facilities added: |
12 | // AliGenerator::SetThetaRange method overriden |
13 | // Static methods added |
14 | // EtaToTheta |
15 | // ThetaToEta |
16 | // DegreesToRadians |
17 | // RadiansToDegrees |
18 | // |
19 | // Class description comments put on proper place |
20 | |
2b9786f4 |
21 | // 27.09.2001 Piotr Skowronski |
22 | // removing of redefinition of defaults velues |
23 | // in method's implementation. |
24 | // |
25 | |
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26 | ////////////////////////////////////////////////////////////////////////////////// |
2b9786f4 |
27 | //Wrapper class for "hbt processor" after burner |
28 | //The origibal code is written in fortran by Lanny Ray |
29 | //and is put in the directory $ALICE_ROOT/HBTprocessor |
30 | //Detailed description is on the top of the file hbt_event_processor.f |
31 | // |
32 | //This class can be used ONLY with AliGenCocktailAfterBurner wrapper generator |
33 | //i.e. (in Config.C) |
34 | // .... |
35 | // AliGenCocktailAfterBurner = gener = new AliGenCocktailAfterBurner(); |
36 | // gener->SetPhiRange(0, 360); //Set global parameters |
37 | // gener->SetThetaRange(35., 145.); |
38 | // AliGenHIJINGpara *hijing = new AliGenHIJINGpara(10000); //Add some generator |
39 | // hijing->SetMomentumRange(0, 999); |
40 | // gener->AddGenerator(hijing,"HIJING PARAMETRIZATION",1); |
41 | // |
42 | // AliGenHBTprocessor *hbtp = new AliGenHBTprocessor(); //create object |
43 | // hbtp->SetRefControl(2); //set parameters |
44 | // hbtp->SetSwitch1D(1); |
45 | // hbtp->SetR0(6);//fm - radius |
46 | // hbtp->SetLambda(0.7);//chaocity parameter |
47 | // gener->AddAfterBurner(hbtp,"HBT PROCESSOR",1); //add to the main generator |
48 | // |
49 | // gener->Init(); |
50 | // |
51 | //CAUTIONS: |
52 | // A) HBT PROCESSOR NEEDS MORE THAN ONE EVENT TO WORK |
53 | // AS MORE AS IT BETTER WORKS |
54 | // B) IT IS ABLE TO "ADD" CORRELATIONS ONLY UP TO TWO PARTICLE TYPES AT ONES |
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55 | ////////////////////////////////////////////////////////////////////////////////// |
56 | |
57 | #include "AliGenHBTprocessor.h" |
58 | #include "TROOT.h" |
59 | #include <iostream.h> |
60 | |
61 | #include "AliRun.h" |
62 | #include "AliStack.h" |
63 | #include "TParticle.h" |
64 | #include "AliGenCocktailAfterBurner.h" |
65 | |
66 | |
67 | |
68 | const Int_t AliGenHBTprocessor::fgkHBTPMAXPART = 100000; |
69 | |
70 | ClassImp(AliGenHBTprocessor) |
71 | |
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72 | |
73 | |
74 | AliGenCocktailAfterBurner* GetGenerator(); |
75 | /*******************************************************************/ |
76 | |
77 | AliGenHBTprocessor::AliGenHBTprocessor() : AliGenerator(-1) |
78 | { |
79 | // |
80 | // Standard constructor |
81 | // Sets default veues of all parameters |
82 | SetName("AliGenHBTprocessor"); |
83 | SetTitle("AliGenHBTprocessor"); |
84 | |
85 | sRandom = fRandom; |
86 | fHBTprocessor = new THBTprocessor(); |
87 | |
88 | fNPDGCodes = 0; |
89 | DefineParticles(); |
90 | |
91 | SetTrackRejectionFactor(); |
92 | SetRefControl(); |
93 | SetPIDs(); |
94 | SetNPIDtypes(); |
95 | SetDeltap(); |
96 | SetMaxIterations(); |
97 | SetDelChi(); |
98 | SetIRand(); |
99 | SetLambda(); |
100 | SetR1d() ; |
101 | SetRSide(); |
102 | SetROut() ; |
103 | SetRLong() ; |
104 | SetRPerp(); |
105 | SetRParallel(); |
106 | SetR0(); |
107 | SetQ0(); |
108 | SetSwitch1D(); |
109 | SetSwitch3D(); |
110 | SetSwitchType(); |
111 | SetSwitchCoherence(); |
112 | SetSwitchCoulomb(); |
113 | SetSwitchFermiBose(); |
114 | //SetMomentumRange(); |
115 | SetPtRange(); |
116 | SetPxRange(); |
117 | SetPyRange(); |
118 | SetPzRange(); |
119 | SetPhiRange(); |
120 | SetEtaRange(); |
121 | SetNPtBins(); |
122 | SetNPhiBins(); |
123 | SetNEtaBins(); |
124 | SetNPxBins(); |
125 | SetNPyBins(); |
126 | SetNPzBins(); |
127 | SetNBins1DFineMesh(); |
128 | SetBinSize1DFineMesh(); |
129 | SetNBins1DCoarseMesh(); |
130 | SetBinSize1DCoarseMesh(); |
131 | SetNBins3DFineMesh(); |
132 | SetBinSize3DFineMesh(); |
133 | SetNBins3DCoarseMesh(); |
134 | SetBinSize3DCoarseMesh(); |
135 | SetNBins3DFineProjectMesh(); |
136 | } |
137 | |
138 | /*******************************************************************/ |
139 | |
140 | |
141 | /*******************************************************************/ |
142 | |
143 | AliGenHBTprocessor::~AliGenHBTprocessor() |
144 | { |
145 | //destructor |
146 | CleanStatusCodes(); |
147 | if (fHBTprocessor) delete fHBTprocessor; //delete generator |
148 | |
149 | } |
150 | |
151 | /*******************************************************************/ |
152 | |
153 | void AliGenHBTprocessor::InitStatusCodes() |
154 | { |
155 | //creates and inits status codes array to zero |
156 | AliGenCocktailAfterBurner *cab = GetGenerator(); |
157 | |
158 | if(!cab) Fatal("AliGenHBTprocessor::InitStatusCodes()","Can not find AliGenCocktailAfterBurner generator"); |
159 | |
160 | Int_t nev = cab->GetNumberOfEvents(); |
161 | |
162 | fHbtPStatCodes = new Int_t* [nev]; |
163 | for( Int_t i =0; i<nev;i++) |
164 | { |
165 | Int_t nprim = cab->GetStack(i)->GetNprimary(); |
166 | fHbtPStatCodes[i] = new Int_t[nprim]; |
167 | for (Int_t k =0 ;k<nprim;k++) |
168 | fHbtPStatCodes[i][k] =0; |
169 | |
170 | } |
171 | |
172 | } |
173 | /*******************************************************************/ |
174 | |
175 | void AliGenHBTprocessor::CleanStatusCodes() |
176 | {//Cleans up status codes |
177 | if (fHbtPStatCodes) |
178 | { |
179 | for (Int_t i =0; i<GetGenerator()->GetNumberOfEvents(); i++) |
180 | delete [] fHbtPStatCodes[i]; |
181 | delete fHbtPStatCodes; |
182 | fHbtPStatCodes = 0; |
183 | } |
184 | |
185 | } |
186 | /*******************************************************************/ |
187 | |
188 | void AliGenHBTprocessor::Init() |
189 | { |
190 | //sets up parameters in generator |
191 | THBTprocessor *thbtp = fHBTprocessor; |
192 | |
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193 | |
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194 | thbtp->SetTrackRejectionFactor(fTrackRejectionFactor); |
195 | thbtp->SetRefControl(fReferenceControl); |
196 | |
197 | if ((fPid[0] == fPid[1]) || (fPid[0] == 0) || (fPid[1] == 0)) |
198 | { |
199 | if (fPid[0] == 0) |
200 | thbtp->SetPIDs(IdFromPDG(fPid[1]) ,0); |
201 | else |
202 | thbtp->SetPIDs(IdFromPDG(fPid[0]) ,0); |
203 | thbtp->SetNPIDtypes(1); |
204 | |
205 | if (fSwitch_type !=1) |
206 | Warning("AliGenHBTprocessor::Init","\nThere is only one particle type set,\n\ |
207 | and Switch_Type differnt then 1,\n which does not make sense.\n\ |
208 | Setting it to 1.\n"); |
209 | |
210 | SetSwitchType(1); |
211 | } |
212 | else |
213 | { |
214 | thbtp->SetPIDs(IdFromPDG(fPid[0]) ,IdFromPDG(fPid[1])); |
215 | SetNPIDtypes(2); |
216 | thbtp->SetSwitchType(fSwitch_type); |
217 | } |
218 | |
219 | thbtp->SetMaxIterations(fMaxit); |
220 | thbtp->SetDelChi(fDelchi); |
221 | thbtp->SetIRand(fIrand); |
222 | thbtp->SetLambda(fLambda); |
223 | thbtp->SetR1d(fR_1d); |
224 | thbtp->SetRSide(fRside); |
225 | thbtp->SetROut(fRout); |
226 | thbtp->SetRLong(fRlong); |
227 | thbtp->SetRPerp(fRperp); |
228 | thbtp->SetRParallel(fRparallel); |
229 | thbtp->SetR0(fR0); |
230 | thbtp->SetQ0(fQ0); |
231 | thbtp->SetSwitch1D(fSwitch_1d); |
232 | thbtp->SetSwitch3D(fSwitch_3d); |
233 | thbtp->SetSwitchType(fSwitch_type); |
234 | thbtp->SetSwitchCoherence(fSwitch_coherence); |
235 | thbtp->SetSwitchCoulomb(fSwitch_coulomb); |
236 | thbtp->SetSwitchFermiBose(fSwitch_fermi_bose); |
237 | thbtp->SetPtRange(fPtMin,fPtMax); |
238 | thbtp->SetPxRange(fPx_min,fPx_max); |
239 | thbtp->SetPyRange(fPy_min,fPy_max); |
240 | thbtp->SetPzRange(fPz_min,fPz_max); |
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241 | thbtp->SetPhiRange(fPhiMin*180./TMath::Pi(),fPhiMax*180./TMath::Pi()); |
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242 | thbtp->SetEtaRange(fEta_min,fEta_max); |
243 | thbtp->SetNPtBins(fN_pt_bins); |
244 | thbtp->SetNPhiBins(fN_phi_bins); |
245 | thbtp->SetNEtaBins(fN_eta_bins); |
246 | thbtp->SetNPxBins(fN_px_bins); |
247 | thbtp->SetNPyBins(fN_py_bins); |
248 | thbtp->SetNPzBins(fN_pz_bins); |
249 | thbtp->SetNBins1DFineMesh(fN_1d_fine); |
250 | thbtp->SetBinSize1DFineMesh(fBinsize_1d_fine); |
251 | thbtp->SetNBins1DCoarseMesh(fN_1d_coarse); |
252 | thbtp->SetBinSize1DCoarseMesh(fBinsize_1d_coarse); |
253 | thbtp->SetNBins3DFineMesh(fN_3d_fine); |
254 | thbtp->SetBinSize3DFineMesh(fBinsize_3d_fine); |
255 | thbtp->SetNBins3DCoarseMesh(fN_3d_coarse); |
256 | thbtp->SetBinSize3DCoarseMesh(fBinsize_3d_coarse); |
257 | thbtp->SetNBins3DFineProjectMesh(fN_3d_fine_project); |
258 | |
259 | } |
260 | /*******************************************************************/ |
261 | |
262 | void AliGenHBTprocessor::Generate() |
263 | { |
264 | //starts processig |
265 | |
266 | if (gAlice->GetEventsPerRun() <2) |
267 | { |
268 | Fatal("AliGenHBTprocessor::Generate()", |
269 | "HBT Processor needs more than 1 event to work properly,\ |
270 | but there is only %d set", gAlice->GetEventsPerRun()); |
271 | } |
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272 | |
273 | fHBTprocessor->Initialize(); //reset all fields of common blocks |
274 | //in case there are many HBT processors |
275 | //run one after one (i.e. in AliCocktailAfterBurner) |
276 | //between Init() called and Generate there might |
277 | Init(); //be different instance running - be sure that we have our settings |
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278 | |
279 | InitStatusCodes(); //Init status codes |
280 | |
281 | fHBTprocessor->GenerateEvent(); //Generates event |
282 | |
283 | CleanStatusCodes(); //Clean Status codes - thet are not needed anymore |
284 | } |
285 | |
286 | /*******************************************************************/ |
287 | |
288 | |
289 | /*******************************************************************/ |
290 | void AliGenHBTprocessor::GetParticles(TClonesArray * particles) |
291 | {//practically dumm |
292 | if (!particles) |
293 | { |
294 | cout<<"Particles has to be initialized"<<endl; |
295 | return; |
296 | } |
297 | fHBTprocessor->ImportParticles(particles); |
298 | } |
299 | |
300 | /*******************************************************************/ |
301 | |
302 | Int_t AliGenHBTprocessor::GetHbtPStatusCode(Int_t part) const |
303 | { |
304 | //returns the status code of the given particle in the active event |
305 | //see SetActiveEvent in the bottom of AliGenHBTprocessor.cxx |
306 | //and in AliCocktailAfterBurner |
307 | Int_t ActiveEvent = GetGenerator()->GetActiveEventNumber(); |
308 | return fHbtPStatCodes[ActiveEvent][part]; |
309 | } |
310 | |
311 | /*******************************************************************/ |
312 | void AliGenHBTprocessor::SetHbtPStatusCode(Int_t hbtstatcode, Int_t part) |
313 | { |
314 | //Sets the given status code to given particle number (part) in the active event |
315 | Int_t ActiveEvent = GetGenerator()->GetActiveEventNumber(); |
316 | fHbtPStatCodes[ActiveEvent][part] = hbtstatcode; |
317 | } |
318 | |
319 | /*******************************************************************/ |
320 | |
321 | void AliGenHBTprocessor::SetTrackRejectionFactor(Float_t trf) //def 1.0 |
322 | { |
323 | //Sets the Track Rejection Factor |
324 | //variates in range 0.0 <-> 1.0 |
325 | //Describes the factor of particles rejected from the output. |
326 | //Used only in case of low muliplicity particles e.g. lambdas. |
327 | //Processor generates addisional particles and builds the |
328 | //correletions on such a statistics. |
329 | //At the end these particels are left in the event according |
330 | //to this factor: 1==all particles are left |
331 | // 0==all are removed |
332 | |
333 | fTrackRejectionFactor=trf; |
334 | fHBTprocessor->SetTrackRejectionFactor(trf); |
335 | } |
336 | /*******************************************************************/ |
337 | |
338 | void AliGenHBTprocessor::SetRefControl(Int_t rc) //default 2 |
339 | { |
340 | //Sets the Refernce Control Switch |
341 | //switch wether read reference histograms from file =1 |
342 | // compute from input events =2 - default |
343 | fReferenceControl=rc; |
344 | fHBTprocessor->SetRefControl(rc); |
345 | } |
346 | /*******************************************************************/ |
347 | |
348 | void AliGenHBTprocessor::SetPIDs(Int_t pid1,Int_t pid2) |
349 | { |
350 | //default pi+ pi- |
351 | //Sets PDG Codes of particles to be processed, default \\Pi^{+} and \\Pi^{-} |
352 | //This method accepts PDG codes which is |
353 | //in opposite to THBBProcessor which accepts GEANT PID |
354 | if ( (pid1 == 0) && (pid2 == 0) ) |
355 | { |
356 | Error("AliGenHBTprocessor::SetPIDs","Sensless Particle Types setting: 0 0, Ignoring\n"); |
357 | } |
358 | |
359 | fPid[0]=pid1; |
360 | fPid[1]=pid2; |
361 | |
362 | if(pid1 == pid2) |
363 | { |
364 | fHBTprocessor->SetPIDs(IdFromPDG(pid1) ,0); |
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365 | SetNPIDtypes(1); |
366 | SetSwitchType(1); |
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367 | } |
368 | else |
369 | { |
370 | fHBTprocessor->SetPIDs(IdFromPDG(pid1) ,IdFromPDG(pid2)); |
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371 | SetNPIDtypes(2); |
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372 | } |
373 | } |
374 | /*******************************************************************/ |
375 | |
376 | void AliGenHBTprocessor::SetNPIDtypes(Int_t npidt) |
377 | { |
378 | //Number ofparticle types to be processed - default 2 |
379 | //see AliGenHBTprocessor::SetPIDs |
380 | |
381 | fNPidTypes = npidt; |
382 | fHBTprocessor->SetNPIDtypes(npidt); |
383 | } |
384 | /*******************************************************************/ |
385 | |
386 | void AliGenHBTprocessor::SetDeltap(Float_t deltp) |
387 | { |
388 | //default = 0.1 GeV |
389 | //maximum range for random momentum shifts in GeV/c; |
390 | //px,py,pz independent; Default = 0.1 GeV/c. |
391 | fDeltap=deltp; |
392 | fHBTprocessor->SetDeltap(deltp); |
393 | } |
394 | /*******************************************************************/ |
395 | |
396 | void AliGenHBTprocessor::SetMaxIterations(Int_t maxiter) |
397 | { |
398 | //maximum # allowed iterations thru all the |
399 | //tracks for each event. Default = 50. |
400 | //If maxit=0, then calculate the correlations |
401 | //for the input set of events without doing the |
402 | //track adjustment procedure. |
403 | |
404 | fMaxit=maxiter; |
405 | fHBTprocessor->SetMaxIterations(maxiter); |
406 | } |
407 | |
408 | /*******************************************************************/ |
409 | void AliGenHBTprocessor::SetDelChi(Float_t dc) |
410 | { |
411 | //min % change in total chi-square for which |
412 | //the track adjustment iterations may stop, |
413 | //Default = 0.1%. |
414 | |
415 | fDelchi=dc; |
416 | fHBTprocessor->SetDelChi(dc); |
417 | } |
418 | /*******************************************************************/ |
419 | |
420 | void AliGenHBTprocessor::SetIRand(Int_t irnd) |
421 | { |
422 | //if fact dummy - used only for compatibility |
423 | //we are using AliRoot built in RNG |
424 | //dummy in fact since we are using aliroot build-in RNG |
425 | //Sets renaodom number generator |
426 | fIrand=irnd; |
427 | fHBTprocessor->SetIRand(irnd); |
428 | } |
429 | /*******************************************************************/ |
430 | |
431 | void AliGenHBTprocessor::SetLambda(Float_t lam) |
432 | { |
433 | //default = 0.6 |
434 | // Sets Chaoticity Parameter |
435 | fLambda = lam; |
436 | fHBTprocessor->SetLambda(lam); |
437 | } |
438 | /*******************************************************************/ |
439 | void AliGenHBTprocessor::SetR1d(Float_t r) |
440 | { |
441 | //default 7.0 |
442 | //Sets Spherical source model radius (fm) |
443 | fR_1d = r; |
444 | fHBTprocessor->SetR1d(r); |
445 | } |
446 | /*******************************************************************/ |
447 | void AliGenHBTprocessor::SetRSide(Float_t rs) |
448 | { |
449 | //default rs = 6.0 |
450 | //Rside,Rout,Rlong = Non-spherical Bertsch-Pratt source model (fm) |
451 | |
452 | fRside = rs; |
453 | fHBTprocessor->SetRSide(rs); |
454 | } |
455 | /*******************************************************************/ |
456 | void AliGenHBTprocessor::SetROut(Float_t ro) |
457 | { |
458 | //default ro = 7.0 |
459 | //Rside,Rout,Rlong = Non-spherical Bertsch-Pratt source model (fm) |
460 | fRout = ro; |
461 | fHBTprocessor->SetROut(ro); |
462 | } |
463 | /*******************************************************************/ |
464 | void AliGenHBTprocessor::SetRLong(Float_t rl) |
465 | { |
466 | //default rl = 4.0 |
467 | //Rside,Rout,Rlong = Non-spherical Bertsch-Pratt source model (fm) |
468 | fRlong = rl; |
469 | fHBTprocessor->SetRLong(rl); |
470 | } |
471 | /*******************************************************************/ |
472 | void AliGenHBTprocessor::SetRPerp(Float_t rp) |
473 | { |
474 | //default rp = 6.0 |
475 | //Rperp,Rparallel,R0= Non-spherical Yano-Koonin-Podgoretski source model (fm). |
476 | fRperp = rp; |
477 | fHBTprocessor->SetRPerp(rp); |
478 | } |
479 | /*******************************************************************/ |
480 | void AliGenHBTprocessor::SetRParallel(Float_t rprl) |
481 | { |
482 | //default rprl = 4.0 |
483 | //Rperp,Rparallel,R0= Non-spherical Yano-Koonin-Podgoretski source model (fm). |
484 | fRparallel = rprl; |
485 | fHBTprocessor->SetRParallel(rprl); |
486 | } |
487 | /*******************************************************************/ |
488 | void AliGenHBTprocessor::SetR0(Float_t r0) |
489 | { |
490 | //default r0 = 4.0 |
491 | //Rperp,Rparallel,R0= Non-spherical Yano-Koonin-Podgoretski source model (fm). |
492 | fR0 = r0; |
493 | fHBTprocessor->SetR0(r0); |
494 | } |
495 | /*******************************************************************/ |
496 | void AliGenHBTprocessor::SetQ0(Float_t q0) |
497 | { |
498 | //default q0 = 9.0 |
499 | //Sets Q0 = NA35 Coulomb parameter for finite source size in (GeV/c) |
500 | // if fSwitchCoulomb = 2 |
501 | // = Spherical Coulomb source radius in (fm) |
502 | // if switch_coulomb = 3, used to interpolate the |
503 | // input Pratt/Cramer discrete Coulomb source |
504 | // radii tables. |
505 | fQ0 = q0; |
506 | fHBTprocessor->SetQ0(q0); |
507 | } |
508 | |
509 | /*******************************************************************/ |
510 | void AliGenHBTprocessor::SetSwitch1D(Int_t s1d) |
511 | { |
512 | //default s1d = 3 |
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513 | // Sets fSwitch_1d |
514 | // = 0 to not compute the 1D two-body //orrelations. |
515 | // = 1 to compute this using Q-invariant |
516 | // = 2 to compute this using Q-total |
517 | // = 3 to compute this using Q-3-ve//tor |
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518 | |
519 | fSwitch_1d = s1d; |
520 | fHBTprocessor->SetSwitch1D(s1d); |
521 | } |
522 | /*******************************************************************/ |
523 | void AliGenHBTprocessor::SetSwitch3D(Int_t s3d) |
524 | { |
525 | //default s3d = 0 |
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526 | // Sets fSwitch_3d |
527 | // = 0 to not compute the 3D two-body correlations. |
528 | // = 1 to compute this using the side-out-long form |
529 | // = 2 to compute this using the Yanno-Koonin-Pogoredskij form. |
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530 | |
531 | fSwitch_3d = s3d; |
532 | fHBTprocessor->SetSwitch3D(s3d); |
533 | } |
534 | /*******************************************************************/ |
535 | void AliGenHBTprocessor::SetSwitchType(Int_t st) |
536 | { |
537 | //default st = 3 |
538 | // Sets switch_type = 1 to fit only the like pair correlations |
539 | // = 2 to fit only the unlike pair correlations |
540 | // = 3 to fit both the like and unlike pair correl. |
541 | //See SetPIDs and Init |
542 | //If only one particle type is set, unly==1 makes sens |
543 | |
544 | fSwitch_type = st; |
545 | fHBTprocessor->SetSwitchType(st); |
546 | } |
547 | /*******************************************************************/ |
548 | void AliGenHBTprocessor::SetSwitchCoherence(Int_t sc) |
549 | { |
550 | // default sc = 0 |
551 | // switch_coherence = 0 for purely incoherent source (but can have |
552 | // lambda < 1.0) |
553 | // = 1 for mixed incoherent and coherent source |
554 | |
555 | fSwitch_coherence = sc; |
556 | fHBTprocessor->SetSwitchCoherence(sc); |
557 | } |
558 | /*******************************************************************/ |
559 | void AliGenHBTprocessor::SetSwitchCoulomb(Int_t scol) |
560 | { |
561 | //default scol = 2 |
562 | // switch_coulomb = 0 no Coulomb correction |
563 | // = 1 Point source Gamow correction only |
564 | // = 2 NA35 finite source size correction |
565 | // = 3 Pratt/Cramer finite source size correction; |
566 | // interpolated from input tables. |
567 | fSwitch_coulomb =scol; |
568 | fHBTprocessor->SetSwitchCoulomb(scol); |
569 | } |
570 | /*******************************************************************/ |
571 | void AliGenHBTprocessor::SetSwitchFermiBose(Int_t sfb) |
572 | { |
573 | //default sfb = 1 |
574 | // switch_fermi_bose = 1 Boson pairs |
575 | // = -1 Fermion pairs |
576 | |
577 | fSwitch_fermi_bose = sfb; |
578 | fHBTprocessor->SetSwitchFermiBose(sfb); |
579 | } |
580 | /*******************************************************************/ |
581 | void AliGenHBTprocessor::SetPtRange(Float_t ptmin, Float_t ptmax) |
582 | { |
583 | // default ptmin = 0.1, ptmax = 0.98 |
584 | //Sets Pt range (GeV) |
585 | AliGenerator::SetPtRange(ptmin,ptmax); |
586 | fHBTprocessor->SetPtRange(ptmin,ptmax); |
587 | } |
588 | |
589 | /*******************************************************************/ |
590 | void AliGenHBTprocessor::SetPxRange(Float_t pxmin, Float_t pxmax) |
591 | { |
592 | //default pxmin = -1.0, pxmax = 1.0 |
593 | //Sets Px range |
594 | fPx_min =pxmin; |
595 | fPx_max =pxmax; |
596 | fHBTprocessor->SetPxRange(pxmin,pxmax); |
597 | } |
598 | /*******************************************************************/ |
599 | void AliGenHBTprocessor::SetPyRange(Float_t pymin, Float_t pymax) |
600 | { |
601 | //default pymin = -1.0, pymax = 1.0 |
602 | //Sets Py range |
603 | fPy_min =pymin; |
604 | fPy_max =pymax; |
605 | fHBTprocessor->SetPyRange(pymin,pymax); |
606 | } |
607 | /*******************************************************************/ |
608 | void AliGenHBTprocessor::SetPzRange(Float_t pzmin, Float_t pzmax) |
609 | { |
610 | //default pzmin = -3.6, pzmax = 3.6 |
611 | //Sets Py range |
612 | fPz_min =pzmin; |
613 | fPz_max =pzmax; |
614 | fHBTprocessor->SetPzRange(pzmin,pzmax); |
615 | } |
616 | void AliGenHBTprocessor::SetMomentumRange(Float_t pmin, Float_t pmax) |
617 | { |
618 | //default pmin=0, pmax=0 |
619 | //Do not use this method! |
620 | MayNotUse("AliGenHBTprocessor::SetMomentumRange Method is Dummy"); |
621 | } |
622 | |
623 | /*******************************************************************/ |
624 | void AliGenHBTprocessor::SetPhiRange(Float_t phimin, Float_t phimax) |
625 | { |
626 | // |
627 | //Sets \\Phi range |
628 | AliGenerator::SetPhiRange(phimin,phimax); |
629 | |
630 | fHBTprocessor->SetPhiRange(phimin,phimax); |
631 | } |
632 | /*******************************************************************/ |
633 | void AliGenHBTprocessor::SetEtaRange(Float_t etamin, Float_t etamax) |
634 | { |
635 | //default etamin = -1.5, etamax = 1.5 |
636 | //Sets \\Eta range |
637 | fEta_min= etamin; |
638 | fEta_max =etamax; |
639 | fHBTprocessor->SetEtaRange(etamin,etamax); |
4c90f2a0 |
640 | |
641 | //set the azimothal angle range in the AliGeneraor - |
642 | //to keep coherency between azimuthal angle and pseudorapidity |
643 | //DO NOT CALL this->SetThetaRange, because it calls this method (where we are) |
644 | //which must cause INFINITE LOOP |
645 | AliGenerator::SetThetaRange(RadiansToDegrees(EtaToTheta(fEta_min)), |
646 | RadiansToDegrees(EtaToTheta(fEta_max))); |
647 | |
2b9786f4 |
648 | } |
4c90f2a0 |
649 | /*******************************************************************/ |
650 | void AliGenHBTprocessor::SetThetaRange(Float_t thetamin, Float_t thetamax) |
651 | { |
652 | //default thetamin = 0, thetamax = 180 |
653 | //Azimuthal angle, override AliGenerator method which uses widely (i.e. wrapper generators) |
654 | //core fortran HBTProcessor uses Eta (pseudorapidity) |
655 | //so these methods has to be synchronized |
656 | |
657 | AliGenerator::SetThetaRange(thetamin,thetamax); |
658 | |
659 | SetEtaRange( ThetaToEta(fThetaMin) , ThetaToEta(fThetaMax) ); |
660 | |
661 | } |
662 | |
2b9786f4 |
663 | /*******************************************************************/ |
664 | void AliGenHBTprocessor::SetNPtBins(Int_t nptbin) |
665 | { |
666 | //default nptbin = 50 |
667 | //set number of Pt bins |
668 | fN_pt_bins= nptbin; |
669 | fHBTprocessor->SetNPtBins(nptbin); |
670 | } |
671 | /*******************************************************************/ |
672 | void AliGenHBTprocessor::SetNPhiBins(Int_t nphibin) |
673 | { |
674 | //default nphibin = 50 |
675 | //set number of Phi bins |
676 | fN_phi_bins=nphibin; |
677 | fHBTprocessor->SetNPhiBins(nphibin); |
678 | } |
679 | /*******************************************************************/ |
680 | void AliGenHBTprocessor::SetNEtaBins(Int_t netabin) |
681 | { |
682 | //default netabin = 50 |
683 | //set number of Eta bins |
684 | fN_eta_bins = netabin; |
685 | fHBTprocessor->SetNEtaBins(netabin); |
686 | } |
687 | /*******************************************************************/ |
688 | void AliGenHBTprocessor::SetNPxBins(Int_t npxbin) |
689 | { |
690 | //default npxbin = 20 |
691 | //set number of Px bins |
692 | fN_px_bins = npxbin; |
693 | fHBTprocessor->SetNPxBins(npxbin); |
694 | } |
695 | /*******************************************************************/ |
696 | void AliGenHBTprocessor::SetNPyBins(Int_t npybin) |
697 | { |
698 | //default npybin = 20 |
699 | //set number of Py bins |
700 | fN_py_bins = npybin; |
701 | fHBTprocessor->SetNPyBins(npybin); |
702 | } |
703 | /*******************************************************************/ |
704 | void AliGenHBTprocessor::SetNPzBins(Int_t npzbin) |
705 | { |
706 | //default npzbin = 70 |
707 | //set number of Pz bins |
708 | fN_pz_bins = npzbin; |
709 | fHBTprocessor->SetNPzBins(npzbin); |
710 | } |
711 | /*******************************************************************/ |
712 | void AliGenHBTprocessor::SetNBins1DFineMesh(Int_t n) |
713 | { |
714 | //default n = 10 |
715 | //Sets the number of bins in the 1D mesh |
716 | fN_1d_fine =n; |
717 | fHBTprocessor->SetNBins1DFineMesh(n); |
718 | |
719 | } |
720 | /*******************************************************************/ |
721 | void AliGenHBTprocessor::SetBinSize1DFineMesh(Float_t x) |
722 | { |
723 | //default x=0.01 |
724 | //Sets the bin size in the 1D mesh |
725 | fBinsize_1d_fine = x; |
726 | fHBTprocessor->SetBinSize1DFineMesh(x); |
727 | } |
728 | /*******************************************************************/ |
729 | |
730 | void AliGenHBTprocessor::SetNBins1DCoarseMesh(Int_t n) |
731 | { |
732 | //default n =2 |
733 | //Sets the number of bins in the coarse 1D mesh |
734 | fN_1d_coarse =n; |
735 | fHBTprocessor->SetNBins1DCoarseMesh(n); |
736 | } |
737 | /*******************************************************************/ |
738 | void AliGenHBTprocessor::SetBinSize1DCoarseMesh(Float_t x) |
739 | { |
740 | //default x=0.05 |
741 | //Sets the bin size in the coarse 1D mesh |
742 | fBinsize_1d_coarse =x; |
743 | fHBTprocessor->SetBinSize1DCoarseMesh(x); |
744 | } |
745 | /*******************************************************************/ |
746 | |
747 | void AliGenHBTprocessor::SetNBins3DFineMesh(Int_t n) |
748 | { |
749 | //default n = 8 |
750 | //Sets the number of bins in the 3D mesh |
751 | fN_3d_fine =n; |
752 | fHBTprocessor->SetNBins3DFineMesh(n); |
753 | } |
754 | /*******************************************************************/ |
755 | void AliGenHBTprocessor::SetBinSize3DFineMesh(Float_t x) |
756 | { |
757 | //default x=0.01 |
758 | //Sets the bin size in the 3D mesh |
759 | fBinsize_3d_fine =x; |
760 | fHBTprocessor->SetBinSize3DFineMesh(x); |
761 | } |
762 | /*******************************************************************/ |
763 | |
764 | void AliGenHBTprocessor::SetNBins3DCoarseMesh(Int_t n) |
765 | { |
766 | //default n = 2 |
767 | //Sets the number of bins in the coarse 3D mesh |
768 | |
769 | fN_3d_coarse = n; |
770 | fHBTprocessor->SetNBins3DCoarseMesh(n); |
771 | } |
772 | /*******************************************************************/ |
773 | void AliGenHBTprocessor::SetBinSize3DCoarseMesh(Float_t x) |
774 | { |
775 | //default x=0.08 |
776 | //Sets the bin size in the coarse 3D mesh |
777 | fBinsize_3d_coarse = x; |
778 | fHBTprocessor->SetBinSize3DCoarseMesh(x); |
779 | } |
780 | /*******************************************************************/ |
781 | |
782 | void AliGenHBTprocessor::SetNBins3DFineProjectMesh(Int_t n ) |
783 | { |
784 | //default n =3 |
785 | //Sets the number of bins in the fine project mesh |
786 | fN_3d_fine_project = n; |
787 | fHBTprocessor->SetNBins3DFineProjectMesh(n); |
788 | } |
789 | /*******************************************************************/ |
790 | |
791 | |
792 | /*******************************************************************/ |
793 | |
794 | |
795 | |
796 | |
797 | |
798 | |
799 | void AliGenHBTprocessor::DefineParticles() |
800 | { |
801 | // |
802 | // Load standard numbers for GEANT particles and PDG conversion |
803 | fNPDGCodes = 0; //this is done in the constructor - but in any case ... |
804 | |
805 | fPDGCode[fNPDGCodes++]=-99; // 0 = unused location |
806 | fPDGCode[fNPDGCodes++]=22; // 1 = photon |
807 | fPDGCode[fNPDGCodes++]=-11; // 2 = positron |
808 | fPDGCode[fNPDGCodes++]=11; // 3 = electron |
809 | fPDGCode[fNPDGCodes++]=12; // 4 = neutrino e |
810 | fPDGCode[fNPDGCodes++]=-13; // 5 = muon + |
811 | fPDGCode[fNPDGCodes++]=13; // 6 = muon - |
812 | fPDGCode[fNPDGCodes++]=111; // 7 = pi0 |
813 | fPDGCode[fNPDGCodes++]=211; // 8 = pi+ |
814 | fPDGCode[fNPDGCodes++]=-211; // 9 = pi- |
815 | fPDGCode[fNPDGCodes++]=130; // 10 = Kaon Long |
816 | fPDGCode[fNPDGCodes++]=321; // 11 = Kaon + |
817 | fPDGCode[fNPDGCodes++]=-321; // 12 = Kaon - |
818 | fPDGCode[fNPDGCodes++]=2112; // 13 = Neutron |
819 | fPDGCode[fNPDGCodes++]=2212; // 14 = Proton |
820 | fPDGCode[fNPDGCodes++]=-2212; // 15 = Anti Proton |
821 | fPDGCode[fNPDGCodes++]=310; // 16 = Kaon Short |
822 | fPDGCode[fNPDGCodes++]=221; // 17 = Eta |
823 | fPDGCode[fNPDGCodes++]=3122; // 18 = Lambda |
824 | fPDGCode[fNPDGCodes++]=3222; // 19 = Sigma + |
825 | fPDGCode[fNPDGCodes++]=3212; // 20 = Sigma 0 |
826 | fPDGCode[fNPDGCodes++]=3112; // 21 = Sigma - |
827 | fPDGCode[fNPDGCodes++]=3322; // 22 = Xi0 |
828 | fPDGCode[fNPDGCodes++]=3312; // 23 = Xi- |
829 | fPDGCode[fNPDGCodes++]=3334; // 24 = Omega- |
830 | fPDGCode[fNPDGCodes++]=-2112; // 25 = Anti Proton |
831 | fPDGCode[fNPDGCodes++]=-3122; // 26 = Anti Proton |
832 | fPDGCode[fNPDGCodes++]=-3222; // 27 = Anti Sigma - |
833 | fPDGCode[fNPDGCodes++]=-3212; // 28 = Anti Sigma 0 |
834 | fPDGCode[fNPDGCodes++]=-3112; // 29 = Anti Sigma 0 |
835 | fPDGCode[fNPDGCodes++]=-3322; // 30 = Anti Xi 0 |
836 | fPDGCode[fNPDGCodes++]=-3312; // 31 = Anti Xi + |
837 | fPDGCode[fNPDGCodes++]=-3334; // 32 = Anti Omega + |
838 | } |
839 | |
840 | /*******************************************************************/ |
841 | Int_t AliGenHBTprocessor::IdFromPDG(Int_t pdg) const |
842 | { |
843 | // |
844 | // Return Geant3 code from PDG and pseudo ENDF code |
845 | // |
846 | for(Int_t i=0;i<fNPDGCodes;++i) |
847 | if(pdg==fPDGCode[i]) return i; |
848 | return -1; |
849 | } |
850 | Int_t AliGenHBTprocessor::PDGFromId(Int_t id) const |
851 | { |
852 | // |
853 | // Return PDG code and pseudo ENDF code from Geant3 code |
854 | // |
855 | if(id>0 && id<fNPDGCodes) return fPDGCode[id]; |
856 | else return -1; |
4c90f2a0 |
857 | } |
858 | Double_t AliGenHBTprocessor::ThetaToEta(Double_t arg) |
859 | { |
860 | //converts etha(azimuthal angle) to Eta (pseudorapidity). Argument in radians |
861 | |
862 | if(arg>= TMath::Pi()) return 709.0;//This number is the biggest wich not crashes exp(x) |
863 | if(arg<= 0.0) return -709.0;// |
864 | |
865 | arg -= TMath::Pi()/2.; |
866 | if (arg > 0.0) |
867 | { |
868 | return -TMath::Log( TMath::Tan(arg/2.)) ; |
869 | } |
870 | else |
871 | { |
872 | return TMath::Log( TMath::Tan(-arg/2.)) ; |
873 | } |
874 | } |
875 | |
2b9786f4 |
876 | /*******************************************************************/ |
877 | /****** ROUTINES USED FOR COMMUNUCATION ********/ |
878 | /******************** WITH FORTRAN ********************/ |
879 | /*******************************************************************/ |
880 | |
881 | #ifndef WIN32 |
882 | # define hbtpran hbtpran_ |
883 | # define alihbtp_puttrack alihbtp_puttrack_ |
884 | # define alihbtp_gettrack alihbtp_gettrack_ |
885 | # define alihbtp_getnumberevents alihbtp_getnumberevents_ |
886 | # define alihbtp_getnumbertracks alihbtp_getnumbertracks_ |
887 | # define alihbtp_initialize alihbtp_initialize_ |
888 | # define alihbtp_setactiveeventnumber alihbtp_setactiveeventnumber_ |
889 | # define alihbtp_setparameters alihbtp_setparameters_ |
890 | # define type_of_call |
891 | |
892 | #else |
893 | # define hbtpran HBTPRAN |
894 | # define alihbtp_puttrack ALIHBTP_PUTTRACK |
895 | # define alihbtp_gettrack ALIHBTP_GETTRACK |
896 | # define alihbtp_getnumberevents ALIHBTP_GETNUMBEREVENTS |
897 | # define alihbtp_getnumbertracks ALIHBTP_GETNUMBERTRACKS |
898 | # define alihbtp_initialize ALIHBTP_INITIALIZE |
899 | # define alihbtp_setactiveeventnumber ALIHBTP_SETACTIVEEVENTNUMBER |
900 | # define alihbtp_setparameters ALIHBTP_SETPARAMETERS |
901 | # define type_of_call _stdcall |
902 | #endif |
903 | |
904 | #include "AliGenCocktailAfterBurner.h" |
905 | #include <string.h> |
906 | /*******************************************************************/ |
907 | |
908 | AliGenCocktailAfterBurner* GetGenerator() |
909 | { |
910 | // This function has two tasks: |
911 | // Check if environment is OK (exist gAlice and generator) |
912 | // Returns pointer to genrator |
913 | //to be changed with TFolders |
914 | |
915 | if(!gAlice) |
916 | { |
917 | cout<<endl<<"ERROR: There is NO gALICE! Check what you are doing!"<<endl; |
918 | gAlice->Fatal("AliGenHBTprocessor.cxx: alihbtp_getnumofev()", |
919 | "\nRunning HBT Processor without gAlice... Exiting \n"); |
920 | return 0; |
921 | } |
922 | AliGenerator * gen = gAlice->Generator(); |
923 | |
924 | if (!gen) |
925 | { |
926 | gAlice->Fatal("AliGenHBTprocessor.cxx: GetGenerator()", |
927 | "\nThere is no generator in gAlice, exiting\n"); |
928 | return 0; |
929 | } |
930 | |
931 | const Char_t *genname = gen->GetName(); |
932 | Char_t name[30]; |
933 | strcpy(name,"AliGenCocktailAfterBurner"); |
934 | |
935 | if (strcmp(name,genname)) |
936 | { |
937 | gAlice->Fatal("AliGenHBTprocessor.cxx: GetGenerator()", |
938 | "\nThe main Generator is not a AliGenCocktailAfterBurner, exiting\n"); |
939 | return 0; |
940 | } |
941 | |
942 | AliGenCocktailAfterBurner* CAB= (AliGenCocktailAfterBurner*) gen; |
943 | |
944 | // cout<<endl<<"Got generator"<<endl; |
945 | return CAB; |
946 | |
947 | } |
948 | /*******************************************************************/ |
949 | |
950 | AliGenHBTprocessor* GetAliGenHBTprocessor() |
951 | { |
952 | //returns pointer to the current instance of AliGenHBTprocessor in |
953 | //AliGenCocktailAfterBurner (can be more than one) |
954 | // |
955 | AliGenCocktailAfterBurner* gen = GetGenerator(); |
956 | AliGenerator * g = gen->GetCurrentGenerator(); |
957 | |
958 | const Char_t *genname = g->GetName(); |
959 | Char_t name[30]; |
960 | strcpy(name,"AliGenHBTprocessor"); |
961 | |
962 | if (strcmp(name,genname)) |
963 | { |
964 | gAlice->Fatal("AliGenHBTprocessor.cxx: GetAliGenHBTprocessor()", |
965 | "\nCurrernt generator in AliGenCocktailAfterBurner is not a AliGenHBTprocessor, exiting\n"); |
966 | return 0; |
967 | } |
968 | |
969 | AliGenHBTprocessor* hbtp = (AliGenHBTprocessor*)g; |
970 | return hbtp; |
971 | } |
972 | |
973 | /*******************************************************************/ |
974 | extern "C" void type_of_call alihbtp_setparameters() |
975 | { |
976 | //dummy |
977 | } |
978 | |
979 | extern "C" void type_of_call alihbtp_initialize() |
980 | { |
981 | //dummy |
982 | } |
983 | |
984 | /*******************************************************************/ |
985 | |
986 | extern "C" void type_of_call alihbtp_getnumberevents(Int_t &nev) |
987 | { |
988 | //passes number of events to the fortran |
989 | if(gDebug) cout<<"alihbtp_getnumberevents("<<nev<<") ...."; |
990 | AliGenCocktailAfterBurner* gen = GetGenerator(); |
991 | if(!gen) |
992 | { |
993 | nev = -1; |
994 | return; |
995 | } |
996 | |
997 | nev = gen->GetNumberOfEvents(); |
998 | |
999 | if(gDebug>5) cout<<"EXITED N Ev = "<<nev<<endl; |
1000 | |
1001 | } |
1002 | |
1003 | /*******************************************************************/ |
1004 | |
1005 | extern "C" void type_of_call alihbtp_setactiveeventnumber(Int_t & nev) |
1006 | { |
1007 | //sets active event in generator (AliGenCocktailAfterBurner) |
1008 | |
1009 | if(gDebug>5) cout<<"alihbtp_setactiveeventnumber("<<nev<<") ...."; |
1010 | if(gDebug>0) cout<<"Asked for event "<<nev-1<<endl; |
1011 | AliGenCocktailAfterBurner* gen = GetGenerator(); |
1012 | if(!gen) return; |
1013 | gen->SetActiveEventNumber(nev - 1); //fortran numerates events from 1 to N |
1014 | |
1015 | if(gDebug>5) cout<<"EXITED returned "<<nev<<endl; |
1016 | |
1017 | } |
1018 | /*******************************************************************/ |
1019 | |
1020 | extern "C" void type_of_call alihbtp_getnumbertracks(Int_t &ntracks) |
1021 | { |
1022 | //passes number of particles in active event to the fortran |
1023 | if(gDebug>5) cout<<"alihbtp_getnumbertracks("<<ntracks<<") ...."; |
1024 | |
1025 | AliGenCocktailAfterBurner* gen = GetGenerator(); |
1026 | if (!gen) |
1027 | { |
1028 | ntracks = -1; |
1029 | return; |
1030 | } |
1031 | |
1032 | ntracks = gen->GetActiveStack()->GetNprimary(); |
1033 | if(gDebug>5) cout<<"EXITED Ntracks = "<<ntracks<<endl; |
1034 | } |
1035 | |
1036 | /*******************************************************************/ |
1037 | |
1038 | extern "C" void type_of_call |
1039 | alihbtp_puttrack(Int_t & n,Int_t& flag, Float_t& px, |
1040 | Float_t& py, Float_t& pz, Int_t& geantpid) |
1041 | { |
1042 | //sets new parameters (momenta) in track number n |
1043 | // in the active event |
1044 | // n - number of the track in active event |
1045 | // flag - flag of the track |
1046 | // px,py,pz - momenta |
1047 | // geantpid - type of the particle - Geant Particle ID |
1048 | |
1049 | if(gDebug>5) cout<<"alihbtp_puttrack("<<n<<") ...."; |
1050 | |
1051 | AliGenCocktailAfterBurner* gen = GetGenerator(); |
1052 | if(!gen) return; |
1053 | |
1054 | TParticle * track = gen->GetActiveStack()->Particle(n-1); |
1055 | |
1056 | AliGenHBTprocessor* g = GetAliGenHBTprocessor(); |
1057 | |
1058 | //check to be deleted |
1059 | if (geantpid != (g->IdFromPDG( track->GetPdgCode() ))) |
1060 | { |
1061 | cout<<endl<<" AliGenHBTprocessor.cxx: alihbtp_puttrack: SOMETHING IS GOING BAD:\n GEANTPIDS ARE NOT THE SAME"<<endl; |
1062 | } |
1063 | |
1064 | if(gDebug>0) |
1065 | if (px != track->Px()) |
1066 | cout<<"Px diff. = "<<px - track->Px()<<endl; |
1067 | |
1068 | if(gDebug>3) cout<<" track->GetPdgCode() --> "<<track->GetPdgCode()<<endl; |
1069 | |
1070 | |
1071 | |
5925692f |
1072 | Float_t m = track->GetMass(); |
1073 | Float_t E = TMath::Sqrt(m*m+px*px+py*py+pz*pz); |
1074 | track->SetMomentum(px,py,pz,E); |
2b9786f4 |
1075 | |
1076 | g->SetHbtPStatusCode(flag,n-1); |
1077 | |
1078 | if(gDebug>5) cout<<"EXITED "<<endl; |
1079 | } |
1080 | |
1081 | /*******************************************************************/ |
1082 | |
1083 | extern "C" void type_of_call |
1084 | alihbtp_gettrack(Int_t & n,Int_t & flag, Float_t & px, |
1085 | Float_t & py, Float_t & pz, Int_t & geantpid) |
1086 | |
1087 | { |
1088 | //passes track parameters to the fortran |
1089 | // n - number of the track in active event |
1090 | // flag - flag of the track |
1091 | // px,py,pz - momenta |
1092 | // geantpid - type of the particle - Geant Particle ID |
1093 | |
1094 | if(gDebug>5) cout<<"alihbtp_gettrack("<<n<<") ...."; |
1095 | AliGenCocktailAfterBurner* gen = GetGenerator(); |
1096 | |
1097 | if (!gen) |
1098 | { |
1099 | n = -1; |
1100 | flag =-1; |
1101 | px = py = pz = -1; |
1102 | geantpid = -1; |
1103 | return; |
1104 | } |
1105 | |
1106 | TParticle * track = gen->GetActiveStack()->Particle(n-1); |
1107 | AliGenHBTprocessor* g = GetAliGenHBTprocessor(); |
1108 | |
1109 | flag = g->GetHbtPStatusCode(n-1); |
1110 | |
1111 | px = (Float_t)track->Px(); |
1112 | py = (Float_t)track->Py(); |
1113 | pz = (Float_t)track->Pz(); |
1114 | |
1115 | geantpid = g->IdFromPDG( track->GetPdgCode() ); |
1116 | |
1117 | if(gDebug>5) cout<<"EXITED "<<endl; |
1118 | } |
1119 | |
1120 | /*******************************************************************/ |
1121 | extern "C" Float_t type_of_call hbtpran(Int_t &) |
1122 | { |
1123 | //interface to the random number generator |
1124 | return sRandom->Rndm(); |
1125 | } |
1126 | |
1127 | /*******************************************************************/ |
1128 | |
1129 | |
1130 | /*******************************************************************/ |