]>
Commit | Line | Data |
---|---|---|
0b359ada | 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 | ||
88cb7938 | 16 | /* $Id$ */ |
17 | ||
0b359ada | 18 | // |
19 | // Container class for AliGenerator and AfterBurners | |
20 | // (which are AliGenerators as well) through recursion. | |
21 | // The container is itself an AliGenerator a | |
22 | // what is stored are not the pointers to the generators directly | |
23 | // but to objects of type | |
24 | // AliGenCocktailAfterBurner entry. | |
25 | // The class provides also iterator functionality. | |
26 | // Author: andreas.morsch@cern.ch and piotr.skowronski@cern.ch | |
27 | // | |
2b9786f4 | 28 | // 24.09.2001 Piotr Skowronski |
29 | // debug -> gDebug, | |
30 | // fNEvents replaced with gAlice->GetEventsPerRun() | |
31 | // | |
2b9786f4 | 32 | |
88cb7938 | 33 | |
34 | #include <Riostream.h> | |
35 | ||
0b359ada | 36 | #include <TList.h> |
88cb7938 | 37 | #include <TObjArray.h> |
0b359ada | 38 | #include <TParticle.h> |
88cb7938 | 39 | |
40 | #include "AliGenCocktailAfterBurner.h" | |
41 | #include "AliGenCocktailEntry.h" | |
42 | #include "AliStack.h" | |
0b359ada | 43 | |
2b9786f4 | 44 | |
0b359ada | 45 | ClassImp(AliGenCocktailAfterBurner) |
2b9786f4 | 46 | /*********************************************************************/ |
47 | /*********************************************************************/ | |
0b359ada | 48 | |
49 | AliGenCocktailAfterBurner::AliGenCocktailAfterBurner() | |
50 | { | |
51 | // Constructor | |
2b9786f4 | 52 | if (gDebug > 0) |
20dddfab | 53 | cout<<"AliGenCocktailAfterBurner::AliGenCocktailAfterBurner()"<<endl; |
0b359ada | 54 | SetName("AliGenCocktailAfterBurner"); |
55 | SetTitle("AliGenCocktailAfterBurner"); | |
56 | fInternalStacks =0; | |
2685bf00 | 57 | fActiveStack = 0; |
58 | fCurrentGenerator = 0; | |
0b359ada | 59 | fCurrentEvent =0; |
60 | fAfterBurnerEntries = new TList(); | |
61 | fNAfterBurners = 0; | |
62 | fGenerationDone = kFALSE; | |
63 | ||
64 | fActiveEvent = -1; | |
466bfded | 65 | fNBgEvents = 0; |
0b359ada | 66 | } |
2b9786f4 | 67 | /*********************************************************************/ |
20dddfab | 68 | AliGenCocktailAfterBurner::AliGenCocktailAfterBurner(const AliGenCocktailAfterBurner& in) |
69 | { | |
70 | //cpy ctor | |
71 | } | |
72 | ||
2b9786f4 | 73 | /*********************************************************************/ |
0b359ada | 74 | |
75 | AliGenCocktailAfterBurner::~AliGenCocktailAfterBurner() | |
76 | { | |
2b9786f4 | 77 | //destructor |
78 | ||
79 | if (fInternalStacks) //delete stacks | |
80 | { | |
81 | fInternalStacks->SetOwner(); | |
82 | delete fInternalStacks; | |
83 | } | |
84 | if (fAfterBurnerEntries) delete fAfterBurnerEntries; //delete entries | |
0b359ada | 85 | } |
2b9786f4 | 86 | /*********************************************************************/ |
87 | /*********************************************************************/ | |
0b359ada | 88 | |
89 | void AliGenCocktailAfterBurner:: | |
90 | AddAfterBurner(AliGenerator *AfterBurner, char* Name, Float_t RateExp) | |
91 | { | |
92 | // | |
93 | // Forward parameters to the new AfterBurner | |
94 | ||
2b9786f4 | 95 | if (gDebug>0)cout<<"AliGenCocktailAfterBurner::AddAfterBurner Named "<<Name<<endl; |
0b359ada | 96 | |
97 | if(TestBit(kPtRange)) | |
98 | AfterBurner->SetPtRange(fPtMin,fPtMax); | |
99 | if(TestBit(kMomentumRange)) | |
100 | AfterBurner->SetMomentumRange(fPMin,fPMax); | |
101 | ||
102 | AfterBurner->SetYRange(fYMin,fYMax); | |
466bfded | 103 | AfterBurner->SetPhiRange(fPhiMin*180/TMath::Pi(),fPhiMax*180/TMath::Pi()); |
104 | AfterBurner->SetThetaRange(fThetaMin*180/TMath::Pi(),fThetaMax*180/TMath::Pi()); | |
105 | AfterBurner->SetOrigin(fOrigin[0], fOrigin[1], fOrigin[2]); | |
106 | AfterBurner->SetSigma(fOsigma[0], fOsigma[1], fOsigma[2]); | |
0b359ada | 107 | AfterBurner->SetVertexSmear(fVertexSmear); |
108 | AfterBurner->SetTrackingFlag(fTrackIt); | |
109 | // | |
110 | // Add AfterBurner to list | |
111 | ||
112 | AliGenCocktailEntry *entry = | |
113 | new AliGenCocktailEntry(AfterBurner, Name, RateExp); | |
114 | fAfterBurnerEntries->Add(entry); | |
115 | fNAfterBurners++; | |
984c69bd | 116 | // |
984c69bd | 117 | |
0b359ada | 118 | } |
2b9786f4 | 119 | /*********************************************************************/ |
120 | /*********************************************************************/ | |
0b359ada | 121 | |
122 | void AliGenCocktailAfterBurner::Init() | |
123 | { | |
124 | // Initialisation | |
2b9786f4 | 125 | fGenerationDone = kFALSE; |
466bfded | 126 | if (fInternalStacks) //delete stacks |
127 | { | |
128 | fInternalStacks->SetOwner(); | |
129 | fInternalStacks->Delete(); //clean after previous generation cycle | |
130 | } | |
131 | ||
0b359ada | 132 | this->AliGenCocktail::Init(); |
133 | ||
2b9786f4 | 134 | if (gDebug>0) cout<<"AliGenCocktailAfterBurner::Init"<<endl; |
0b359ada | 135 | TIter next(fAfterBurnerEntries); |
136 | AliGenCocktailEntry *entry; | |
137 | // | |
138 | // Loop over generators and initialize | |
139 | while((entry = (AliGenCocktailEntry*)next())) { | |
140 | entry->Generator()->Init(); | |
141 | } | |
142 | } | |
2b9786f4 | 143 | /*********************************************************************/ |
144 | /*********************************************************************/ | |
0b359ada | 145 | |
146 | void AliGenCocktailAfterBurner::Generate() | |
147 | { | |
148 | // | |
2b9786f4 | 149 | // Generate event |
150 | // Firsts runs each generator for all events | |
151 | // than after burners ones for each event | |
152 | // | |
153 | // It generates and processes all events during | |
154 | // first call only. | |
155 | // In next calls it just returns already generated | |
156 | // and processed events to the gAlice | |
157 | ||
158 | if (gDebug>0) | |
159 | cout<<"#####################################"<<endl | |
160 | <<"#AliGenCocktailAfterBurner::Generate#"<<endl | |
161 | <<"#####################################"<<endl; | |
0b359ada | 162 | |
163 | Int_t i; //iterator | |
164 | AliStack * stack; | |
2b9786f4 | 165 | |
0b359ada | 166 | if (fGenerationDone) |
2b9786f4 | 167 | {//if generation is done (in first call) |
168 | //just copy particles from the stack to the gAlice | |
169 | SetTracks(++fCurrentEvent); | |
170 | cout<<"Returning event "<<fCurrentEvent<<endl; | |
171 | return; | |
0b359ada | 172 | } |
173 | else | |
2b9786f4 | 174 | { //Here we are in the first call of the method |
175 | fCurrentEvent=0; | |
176 | Int_t numberOfEvents = gAlice->GetEventsPerRun(); | |
177 | //Create stacks | |
466bfded | 178 | fInternalStacks = new TObjArray(numberOfEvents + fNBgEvents); //Create array of internal stacks |
179 | for(i=0;i<numberOfEvents + fNBgEvents;i++) | |
2b9786f4 | 180 | { |
181 | stack = new AliStack(10000); | |
182 | stack->Reset(); | |
183 | fInternalStacks->Add(stack); | |
184 | } | |
0b359ada | 185 | /*********************************************************************/ |
2b9786f4 | 186 | TIter next(fEntries); |
187 | AliGenCocktailEntry *entry; | |
188 | AliGenCocktailEntry *e1; | |
189 | AliGenCocktailEntry *e2; | |
190 | TObjArray *partArray; | |
191 | // | |
192 | // Loop over generators and generate events | |
193 | Int_t igen=0; | |
194 | while((entry = (AliGenCocktailEntry*)next())) | |
195 | { | |
196 | igen++; | |
197 | cout<<"Generator "<<igen<<" : "<<entry->GetName()<<endl; | |
198 | /***********************************************/ | |
0b359ada | 199 | //First generator for all evenets, than second for all events, etc... |
466bfded | 200 | for(i=0;i<numberOfEvents + fNBgEvents;i++) |
2b9786f4 | 201 | { |
202 | cout<<" EVENT "<<i<<endl; | |
203 | stack = GetStack(i); | |
204 | partArray = stack->Particles(); | |
205 | fCurrentGenerator = entry->Generator(); | |
206 | fCurrentGenerator->SetStack(stack); | |
207 | if (igen ==1) | |
208 | { | |
209 | entry->SetFirst(0); | |
210 | } | |
211 | else | |
212 | { | |
213 | entry->SetFirst((partArray->GetEntriesFast())+1); | |
214 | } | |
215 | fCurrentGenerator->Generate(); | |
216 | entry->SetLast(partArray->GetEntriesFast()); | |
217 | } | |
218 | /***********************************************/ | |
219 | } | |
220 | next.Reset(); | |
221 | while((entry = (AliGenCocktailEntry*)next())) | |
222 | { | |
223 | entry->PrintInfo(); | |
224 | } | |
225 | for ( entry=FirstGenerator();entry;entry=NextGenerator() ) | |
226 | { | |
227 | entry->PrintInfo(); | |
228 | } | |
229 | for (FirstGeneratorPair(e1,e2); (e1&&e2); NextGeneratorPair(e1,e2) ) | |
230 | { | |
231 | printf("\n -----------------------------"); | |
232 | e1->PrintInfo(); | |
233 | e2->PrintInfo(); | |
0b359ada | 234 | } |
235 | ||
0b359ada | 236 | |
2b9786f4 | 237 | /***********************************************/ |
238 | /*******After Burners Processing****************/ | |
239 | /***********************************************/ | |
240 | TIter nextAfterBurner(fAfterBurnerEntries); | |
241 | AliGenCocktailEntry *afterBurnerEntry; | |
242 | Int_t iab =0; //number of current after burner / counter | |
243 | ||
244 | cout<<"\n\nRunning After Burners"<<endl; | |
245 | while((afterBurnerEntry = (AliGenCocktailEntry*)nextAfterBurner())) | |
246 | { | |
247 | cout<<"After Burner "<<iab++<<" :"<<afterBurnerEntry->GetName()<<endl; | |
248 | fCurrentGenerator = afterBurnerEntry->Generator(); | |
249 | fCurrentGenerator->Generate(); | |
250 | } | |
251 | cout<<endl<<"Finished. Processed "<<iab<<" After Burners"<<endl; | |
252 | ||
253 | /***********************************************/ | |
254 | /***********************************************/ | |
255 | /***********************************************/ | |
0b359ada | 256 | |
2b9786f4 | 257 | fGenerationDone=kTRUE; |
258 | SetTracks(0); //copy event 0 to gAlice stack | |
0b359ada | 259 | |
260 | /*********************************************************************/ | |
261 | ||
262 | }//else generated | |
263 | } | |
2b9786f4 | 264 | /*********************************************************************/ |
265 | /*********************************************************************/ | |
0b359ada | 266 | |
267 | AliGenCocktailAfterBurner& AliGenCocktailAfterBurner::operator=(const AliGenCocktailAfterBurner& rhs) | |
268 | { | |
269 | // Assignment operator | |
270 | return *this; | |
271 | } | |
2b9786f4 | 272 | /*********************************************************************/ |
273 | /*********************************************************************/ | |
0b359ada | 274 | |
20dddfab | 275 | AliStack* AliGenCocktailAfterBurner::GetStack(Int_t n) const |
0b359ada | 276 | { |
2b9786f4 | 277 | //Returns the pointer to the N'th stack (event) |
278 | if( ( n<0 ) || ( n>=GetNumberOfEvents() ) ) | |
0b359ada | 279 | { |
2b9786f4 | 280 | Fatal("AliGenCocktailAfterBurner::GetStack","Asked for non existing stack (%d)",n); |
281 | return 0; | |
0b359ada | 282 | } |
2682e810 | 283 | return ((AliStack*) fInternalStacks->At(n) ); |
0b359ada | 284 | } |
2b9786f4 | 285 | /*********************************************************************/ |
286 | /*********************************************************************/ | |
0b359ada | 287 | |
288 | void AliGenCocktailAfterBurner::SetActiveEventNumber(Int_t actev) | |
289 | { | |
2b9786f4 | 290 | //Set Active Events Number and Active Stack |
291 | //There is only one active event number | |
292 | //Made fo convinience of work with AfterBurners (HBT processor) | |
293 | ||
0b359ada | 294 | fActiveEvent = actev; |
295 | fActiveStack = GetStack(actev); | |
296 | } | |
2b9786f4 | 297 | /*********************************************************************/ |
298 | /*********************************************************************/ | |
0b359ada | 299 | |
300 | void AliGenCocktailAfterBurner::SetTracks(Int_t stackno) | |
301 | { | |
2b9786f4 | 302 | //Method which copies tracks from given stack to the |
303 | //gAlice's stack | |
0b359ada | 304 | AliStack* instack = GetStack(stackno); |
305 | Int_t done; | |
306 | Int_t parent; | |
307 | Int_t pdg; | |
308 | Double_t px, py, pz, e, vx, vy, vz, tof, polx, poly, polz; | |
acc86a24 | 309 | TMCProcess mech; |
0b359ada | 310 | Int_t ntr; |
311 | Float_t weight; | |
312 | TVector3 pol; | |
313 | ||
314 | TParticle * p; | |
20dddfab | 315 | Int_t n = instack->GetNtrack(); |
2b9786f4 | 316 | if (gDebug) |
0b359ada | 317 | { |
20dddfab | 318 | cout<<"AliGenCocktailAfterBurner::SetTracks("<<stackno<<"). Number of particles is: "<<n<<"\n"; |
0b359ada | 319 | } |
320 | ||
20dddfab | 321 | for(Int_t i = 0; i < n; i++) |
0b359ada | 322 | { |
323 | ||
2b9786f4 | 324 | p = instack->Particle(i); |
325 | done = !p->TestBit(kDoneBit); | |
326 | parent = p->GetMother(0); | |
327 | pdg = p->GetPdgCode(); | |
328 | px = p->Px(); | |
329 | py = p->Py(); | |
330 | pz = p->Pz(); | |
331 | e = p->Energy(); | |
332 | vx = p->Vx(); | |
333 | vy = p->Vy(); | |
334 | vz = p->Vz(); | |
335 | tof = p->T(); | |
336 | p->GetPolarisation(pol); | |
337 | polx = pol.X(); | |
338 | poly = pol.Y(); | |
339 | polz = pol.Z(); | |
340 | mech = AliGenCocktailAfterBurner::IntToMCProcess(p->GetUniqueID()); | |
341 | weight = p->GetWeight(); | |
342 | ||
343 | gAlice->SetTrack(done, parent, pdg, px, py, pz, e, vx, vy, vz, tof, | |
344 | polx, poly, polz, mech, ntr, weight); | |
0b359ada | 345 | } |
346 | } | |
2b9786f4 | 347 | /*********************************************************************/ |
348 | /*********************************************************************/ | |
0b359ada | 349 | |
acc86a24 | 350 | TMCProcess AliGenCocktailAfterBurner::IntToMCProcess(Int_t no) |
0b359ada | 351 | { |
acc86a24 | 352 | //Mothod used to convert uniqueID (integer) to TMCProcess type |
353 | const TMCProcess kMCprocesses[kMaxMCProcess] = | |
2b9786f4 | 354 | { |
355 | kPNoProcess, kPMultipleScattering, kPEnergyLoss, kPMagneticFieldL, | |
0b359ada | 356 | kPDecay, kPPair, kPCompton, kPPhotoelectric, kPBrem, kPDeltaRay, |
357 | kPAnnihilation, kPHadronic, kPNoProcess, kPEvaporation, kPNuclearFission, | |
358 | kPNuclearAbsorption, kPPbarAnnihilation, kPNCapture, kPHElastic, | |
359 | kPHInhelastic, kPMuonNuclear, kPTOFlimit,kPPhotoFission, kPNoProcess, | |
2b9786f4 | 360 | kPRayleigh, kPNoProcess, kPNoProcess, kPNoProcess, kPNull, kPStop |
361 | }; | |
0b359ada | 362 | |
363 | for (Int_t i = 0;i<kMaxMCProcess;i++) | |
364 | { | |
20dddfab | 365 | if (kMCprocesses[i] == no) |
2b9786f4 | 366 | { |
20dddfab | 367 | return kMCprocesses[i]; |
2b9786f4 | 368 | } |
0b359ada | 369 | } |
370 | return kPNoProcess; | |
371 | } |