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5d12ce38 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
16 | /* $Id$ */ | |
17 | ||
d0d4a6b3 | 18 | // This class is extracted from the AliRun class |
19 | // and contains all the MC-related functionality | |
20 | // The number of dependencies has to be reduced... | |
21 | // Author: F.Carminati | |
22 | // Federico.Carminati@cern.ch | |
23 | ||
01a0f5d0 | 24 | #include <string.h> |
25 | ||
c75cfb51 | 26 | #include <RVersion.h> |
3e2e3ece | 27 | #include <TArrayI.h> |
7ca4655f | 28 | #include <TClonesArray.h> |
3e2e3ece | 29 | #include <TFile.h> |
f7a1cc68 | 30 | #include <TGeoGlobalMagField.h> |
7ca4655f | 31 | #include <TGeoManager.h> |
3e2e3ece | 32 | #include <TParticle.h> |
33 | #include <TROOT.h> | |
5d12ce38 | 34 | #include <TStopwatch.h> |
35 | #include <TSystem.h> | |
36 | #include <TVirtualMC.h> | |
81333cca | 37 | #include <TMCVerbose.h> |
c93255fe | 38 | #include <TTree.h> |
b60e0f5e | 39 | |
3e2e3ece | 40 | #include "AliCDBEntry.h" |
41 | #include "AliCDBManager.h" | |
42 | #include "AliCDBStorage.h" | |
5d12ce38 | 43 | #include "AliDetector.h" |
44 | #include "AliGenerator.h" | |
3e2e3ece | 45 | #include "AliGeomManager.h" |
5d12ce38 | 46 | #include "AliHeader.h" |
3e2e3ece | 47 | #include "AliHit.h" |
5d12ce38 | 48 | #include "AliLego.h" |
3e2e3ece | 49 | #include "AliLog.h" |
5d12ce38 | 50 | #include "AliMC.h" |
3e2e3ece | 51 | #include "AliMagF.h" |
5d12ce38 | 52 | #include "AliRun.h" |
3e2e3ece | 53 | #include "AliSimulation.h" |
5d12ce38 | 54 | #include "AliStack.h" |
55 | #include "AliTrackReference.h" | |
a5fe2c41 | 56 | #include "AliTransportMonitor.h" |
5d12ce38 | 57 | |
66b0310c | 58 | using std::endl; |
59 | using std::cout; | |
5d12ce38 | 60 | ClassImp(AliMC) |
61 | ||
62 | //_______________________________________________________________________ | |
63 | AliMC::AliMC() : | |
64 | fGenerator(0), | |
9d188d33 | 65 | fSaveRndmStatus(kFALSE), |
66 | fSaveRndmEventStatus(kFALSE), | |
67 | fReadRndmStatus(kFALSE), | |
a5fe2c41 | 68 | fUseMonitoring(kFALSE), |
9d188d33 | 69 | fRndmFileName("random.root"), |
5d12ce38 | 70 | fEventEnergy(0), |
71 | fSummEnergy(0), | |
72 | fSum2Energy(0), | |
73 | fTrRmax(1.e10), | |
74 | fTrZmax(1.e10), | |
90e48c0c | 75 | fRDecayMax(1.e10), |
38ca2ad6 | 76 | fRDecayMin(-1.), |
90e48c0c | 77 | fDecayPdg(0), |
5d12ce38 | 78 | fImedia(0), |
79 | fTransParName("\0"), | |
a5fe2c41 | 80 | fMonitor(0), |
5d12ce38 | 81 | fHitLists(0), |
3cac0921 | 82 | fTmpTreeTR(0), |
83 | fTmpFileTR(0), | |
fd650020 | 84 | fTrackReferences(), |
85 | fTmpTrackReferences() | |
5d12ce38 | 86 | |
87 | { | |
d0d4a6b3 | 88 | //default constructor |
0561efeb | 89 | DecayLimits(); |
5d12ce38 | 90 | } |
91 | ||
92 | //_______________________________________________________________________ | |
93 | AliMC::AliMC(const char *name, const char *title) : | |
94 | TVirtualMCApplication(name, title), | |
95 | fGenerator(0), | |
9d188d33 | 96 | fSaveRndmStatus(kFALSE), |
97 | fSaveRndmEventStatus(kFALSE), | |
98 | fReadRndmStatus(kFALSE), | |
a5fe2c41 | 99 | fUseMonitoring(kFALSE), |
9d188d33 | 100 | fRndmFileName("random.root"), |
5d12ce38 | 101 | fEventEnergy(0), |
102 | fSummEnergy(0), | |
103 | fSum2Energy(0), | |
104 | fTrRmax(1.e10), | |
105 | fTrZmax(1.e10), | |
90e48c0c | 106 | fRDecayMax(1.e10), |
38ca2ad6 | 107 | fRDecayMin(-1.), |
90e48c0c | 108 | fDecayPdg(0), |
5d12ce38 | 109 | fImedia(new TArrayI(1000)), |
110 | fTransParName("\0"), | |
a5fe2c41 | 111 | fMonitor(0), |
5d12ce38 | 112 | fHitLists(new TList()), |
3cac0921 | 113 | fTmpTreeTR(0), |
114 | fTmpFileTR(0), | |
fd650020 | 115 | fTrackReferences("AliTrackReference", 100), |
116 | fTmpTrackReferences("AliTrackReference", 100) | |
5d12ce38 | 117 | { |
d0d4a6b3 | 118 | //constructor |
5d12ce38 | 119 | // Set transport parameters |
120 | SetTransPar(); | |
0561efeb | 121 | DecayLimits(); |
5d12ce38 | 122 | // Prepare the tracking medium lists |
123 | for(Int_t i=0;i<1000;i++) (*fImedia)[i]=-99; | |
5d12ce38 | 124 | } |
125 | ||
5d12ce38 | 126 | //_______________________________________________________________________ |
127 | AliMC::~AliMC() | |
128 | { | |
d0d4a6b3 | 129 | //destructor |
5d12ce38 | 130 | delete fGenerator; |
131 | delete fImedia; | |
5d12ce38 | 132 | delete fHitLists; |
a5fe2c41 | 133 | delete fMonitor; |
5d12ce38 | 134 | // Delete track references |
5d12ce38 | 135 | } |
136 | ||
5d12ce38 | 137 | //_______________________________________________________________________ |
138 | void AliMC::ConstructGeometry() | |
139 | { | |
140 | // | |
4a9de4af | 141 | // Either load geometry from file or create it through usual |
142 | // loop on detectors. In the first case the method | |
143 | // AliModule::CreateMaterials() only builds fIdtmed and is postponed | |
144 | // at InitGeometry(). | |
5d12ce38 | 145 | // |
146 | ||
d97f1dbe | 147 | if(AliSimulation::Instance()->IsGeometryFromFile()){ //load geometry either from CDB or from file |
148 | if(IsGeometryFromCDB()){ | |
ced249e6 | 149 | AliInfo("Loading geometry from CDB default storage"); |
150 | AliCDBPath path("GRP","Geometry","Data"); | |
151 | AliCDBEntry *entry=AliCDBManager::Instance()->Get(path.GetPath()); | |
152 | if(!entry) AliFatal("Unable to load geometry from CDB!"); | |
153 | entry->SetOwner(0); | |
154 | gGeoManager = (TGeoManager*) entry->GetObject(); | |
155 | if (!gGeoManager) AliFatal("TGeoManager object not found in the specified CDB entry!"); | |
4a9de4af | 156 | }else{ |
ced249e6 | 157 | // Load geometry |
d97f1dbe | 158 | const char *geomfilename = AliSimulation::Instance()->GetGeometryFile(); |
ced249e6 | 159 | if(gSystem->ExpandPathName(geomfilename)){ |
160 | AliInfo(Form("Loading geometry from file:\n %40s",geomfilename)); | |
161 | TGeoManager::Import(geomfilename); | |
162 | }else{ | |
163 | AliInfo(Form("Geometry file %40s not found!\n",geomfilename)); | |
164 | return; | |
165 | } | |
4a9de4af | 166 | } |
2942f542 | 167 | TVirtualMC::GetMC()->SetRootGeometry(); |
4a9de4af | 168 | }else{ |
169 | // Create modules, materials, geometry | |
e8bfa5e3 | 170 | if (!gGeoManager) new TGeoManager("ALICE", "ALICE geometry"); |
5d12ce38 | 171 | TStopwatch stw; |
172 | TIter next(gAlice->Modules()); | |
173 | AliModule *detector; | |
21bf7095 | 174 | AliDebug(1, "Geometry creation:"); |
5d12ce38 | 175 | while((detector = dynamic_cast<AliModule*>(next()))) { |
176 | stw.Start(); | |
177 | // Initialise detector materials and geometry | |
178 | detector->CreateMaterials(); | |
179 | detector->CreateGeometry(); | |
21bf7095 | 180 | AliInfo(Form("%10s R:%.2fs C:%.2fs", |
181 | detector->GetName(),stw.RealTime(),stw.CpuTime())); | |
5d12ce38 | 182 | } |
4a9de4af | 183 | } |
184 | ||
5d12ce38 | 185 | } |
186 | ||
39b3f8ba | 187 | //_______________________________________________________________________ |
188 | Bool_t AliMC::MisalignGeometry() | |
189 | { | |
d97f1dbe | 190 | // Call misalignment code if AliSimulation object was defined. |
191 | ||
192 | if(!AliSimulation::Instance()->IsGeometryFromFile()){ | |
193 | //Set alignable volumes for the whole geometry | |
194 | SetAllAlignableVolumes(); | |
195 | } | |
196 | // Misalign geometry via AliSimulation instance | |
197 | if (!AliSimulation::Instance()) return kFALSE; | |
198 | AliGeomManager::SetGeometry(gGeoManager); | |
199 | if(!AliGeomManager::CheckSymNamesLUT("ALL")) | |
0bf7aade | 200 | AliFatal("Current loaded geometry differs in the definition of symbolic names!"); |
d97f1dbe | 201 | |
202 | return AliSimulation::Instance()->MisalignGeometry(AliRunLoader::Instance()); | |
39b3f8ba | 203 | } |
204 | ||
661663fa | 205 | //_______________________________________________________________________ |
206 | void AliMC::ConstructOpGeometry() | |
207 | { | |
208 | // | |
209 | // Loop all detector modules and call DefineOpticalProperties() method | |
210 | // | |
211 | ||
212 | TIter next(gAlice->Modules()); | |
213 | AliModule *detector; | |
214 | AliInfo("Optical properties definition"); | |
215 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
dde0a601 | 216 | // Initialise detector geometry |
d97f1dbe | 217 | if(AliSimulation::Instance()->IsGeometryFromFile()) detector->CreateMaterials(); |
661663fa | 218 | // Initialise detector optical properties |
219 | detector->DefineOpticalProperties(); | |
220 | } | |
221 | } | |
222 | ||
81333cca | 223 | #include <TPDGCode.h> |
224 | //_______________________________________________________________________ | |
225 | void AliMC::AddParticles() | |
226 | { | |
227 | // | |
228 | // Add particles (not present in Geant3 or Geant4) | |
229 | // | |
230 | ||
231 | // -------------------------------------------------------------------- | |
232 | // An example of adding a particle He5 with defined decay mode | |
233 | // (TO BE REMOVED after a useful code is added) | |
234 | ||
235 | cout << "########## AliMC::AddParticles" << endl; | |
236 | ||
237 | //Hypertriton | |
2942f542 | 238 | TVirtualMC::GetMC()->DefineParticle(1010010030, "HyperTriton", kPTHadron, 2.99131 , 1.0, 2.632e-10,"Ion", 0.0, 0, 1, 0, 0, 0, 0, 0, 3, kFALSE); |
81333cca | 239 | //Anti-Hypertriton |
2942f542 | 240 | TVirtualMC::GetMC()->DefineParticle(-1010010030, "AntiHyperTriton", kPTHadron, 2.99131 , 1.0, 2.632e-10,"Ion", 0.0, 0, 1, 0, 0, 0, 0, 0, 3, kFALSE); |
81333cca | 241 | |
c05d75f7 | 242 | //Hyper hydrogen 4 |
2942f542 | 243 | TVirtualMC::GetMC()->DefineParticle(1010010040, "Hyperhydrog4", kPTHadron, 3.931 , 1.0, 2.632e-10,"Ion", 0.0, 0, 1, 0, 0, 0, 0, 0, 4, kFALSE); |
c05d75f7 | 244 | //Anti-Hyper hydrogen 4 |
2942f542 | 245 | TVirtualMC::GetMC()->DefineParticle(-1010010040, "AntiHyperhydrog4", kPTHadron, 3.931 , 1.0, 2.632e-10,"Ion", 0.0, 0, 1, 0, 0, 0, 0, 0, 4, kFALSE); |
c05d75f7 | 246 | |
247 | //Hyper helium 4 | |
2942f542 | 248 | TVirtualMC::GetMC()->DefineParticle(1010020040, "Hyperhelium4", kPTHadron, 3.929 , 2.0, 2.632e-10,"Ion", 0.0, 0, 1, 0, 0, 0, 0, 0, 4, kFALSE); |
c05d75f7 | 249 | //Anti-Hyper helium 4 |
2942f542 | 250 | TVirtualMC::GetMC()->DefineParticle(-1010020040, "AntiHyperhelium4", kPTHadron, 3.929 , 2.0, 2.632e-10,"Ion", 0.0, 0, 1, 0, 0, 0, 0, 0, 4, kFALSE); |
c05d75f7 | 251 | |
81333cca | 252 | |
253 | //Lambda-Neutron | |
2942f542 | 254 | TVirtualMC::GetMC()->DefineParticle(1010000020, "LambdaNeutron", kPTNeutron, 2.054 , 0.0, 2.632e-10,"Hadron", 0.0, 0, 1, 0, 0, 0, 0, 0, 2, kFALSE); |
81333cca | 255 | |
256 | //Anti-Lambda-Neutron | |
2942f542 | 257 | TVirtualMC::GetMC()->DefineParticle(-1010000020, "AntiLambdaNeutron", kPTNeutron, 2.054 , 0.0, 2.632e-10,"Hadron", 0.0, 0, 1, 0, 0, 0, 0, 0, 2, kFALSE); |
81333cca | 258 | |
259 | //H-Dibaryon | |
2942f542 | 260 | TVirtualMC::GetMC()->DefineParticle(1020000020, "Hdibaryon", kPTNeutron, 2.21, 0.0, 2.632e-10,"Hadron", 0.0, 0, 1, 0, 0, 0, 0, 0, 2, kFALSE); |
81333cca | 261 | //Anti-H-Dibaryon |
2942f542 | 262 | TVirtualMC::GetMC()->DefineParticle(-1020000020, "AntiHdibaryon", kPTNeutron, 2.21 , 0.0, 2.632e-10,"Hadron", 0.0, 0, 1, 0, 0, 0, 0, 0, 2, kFALSE); |
81333cca | 263 | |
851a3884 | 264 | //Xi-Proton |
2942f542 | 265 | TVirtualMC::GetMC()->DefineParticle(1030000020, "Xi0Proton", kPTHadron, 2.248 , 1.0, 1.333e-10,"Ion", 0.0, 0, 1, 0, 0, 0, 0, 0, 2, kFALSE); |
851a3884 | 266 | |
267 | //Anti-Xi-Proton | |
2942f542 | 268 | TVirtualMC::GetMC()->DefineParticle(-1030000020, "AntiXi0Proton", kPTHadron, 2.248 , 1.0, 1.333e-10,"Ion", 0.0, 0, 1, 0, 0, 0, 0, 0, 2, kFALSE); |
851a3884 | 269 | |
270 | //Lambda-Neutron-Neutron | |
2942f542 | 271 | TVirtualMC::GetMC()->DefineParticle(1010000030, "LambdaNeutronNeutron", kPTNeutron, 2.982 , 0.0, 2.632e-10,"Hadron", 0.0, 0, 1, 0, 0, 0, 0, 0, 2, kFALSE); |
851a3884 | 272 | |
273 | //Anti-Lambda-Neutron-Neutron | |
2942f542 | 274 | TVirtualMC::GetMC()->DefineParticle(-1010000030, "AntiLambdaNeutronNeutron", kPTNeutron, 2.982 , 0.0, 2.632e-10,"Hadron", 0.0, 0, 1, 0, 0, 0, 0, 0, 2, kFALSE); |
851a3884 | 275 | |
81333cca | 276 | |
277 | // Define the 2- and 3-body phase space decay for the Hyper-Triton | |
278 | Int_t mode[6][3]; | |
279 | Float_t bratio[6]; | |
280 | ||
281 | for (Int_t kz = 0; kz < 6; kz++) { | |
282 | bratio[kz] = 0.; | |
283 | mode[kz][0] = 0; | |
284 | mode[kz][1] = 0; | |
285 | mode[kz][2] = 0; | |
286 | } | |
287 | bratio[0] = 50.; | |
288 | mode[0][0] = 1000020030; // Helium3 | |
289 | mode[0][1] = -211; // negative pion | |
c05d75f7 | 290 | |
81333cca | 291 | bratio[1] = 50.; |
292 | mode[1][0] = 1000010020; // deuteron | |
293 | mode[1][1] = 2212; // proton | |
294 | mode[1][2] = -211; // negative pion | |
295 | ||
2942f542 | 296 | TVirtualMC::GetMC()->SetDecayMode(1010010030,bratio,mode); |
81333cca | 297 | |
298 | ||
299 | ||
300 | // Define the 2- and 3-body phase space decay for the Anti-Hyper-Triton | |
301 | Int_t amode[6][3]; | |
302 | Float_t abratio[6]; | |
303 | ||
304 | for (Int_t kz = 0; kz < 6; kz++) { | |
305 | abratio[kz] = 0.; | |
306 | amode[kz][0] = 0; | |
307 | amode[kz][1] = 0; | |
308 | amode[kz][2] = 0; | |
309 | } | |
310 | abratio[0] = 50.; | |
311 | amode[0][0] = -1000020030; // anti- Helium3 | |
312 | amode[0][1] = 211; // positive pion | |
313 | abratio[1] = 50.; | |
314 | amode[1][0] = -1000010020; // anti-deuteron | |
315 | amode[1][1] = -2212; // anti-proton | |
316 | amode[1][2] = 211; // positive pion | |
317 | ||
2942f542 | 318 | TVirtualMC::GetMC()->SetDecayMode(-1010010030,abratio,amode); |
81333cca | 319 | |
c05d75f7 | 320 | ////// ----------Hypernuclei with Mass=4 ----------- ////////// |
321 | ||
322 | // Define the 2- and 3-body phase space decay for the Hyper Hydrogen 4 | |
323 | ||
324 | Int_t mode3[6][3]; | |
325 | Float_t bratio3[6]; | |
326 | ||
327 | for (Int_t kz = 0; kz < 6; kz++) { | |
328 | bratio3[kz] = 0.; | |
329 | mode3[kz][0] = 0; | |
330 | mode3[kz][1] = 0; | |
331 | mode3[kz][2] = 0; | |
332 | } | |
333 | bratio3[0] = 50.; | |
334 | mode3[0][0] = 1000020040; // Helium4 | |
335 | mode3[0][1] = -211; // negative pion | |
336 | ||
337 | bratio3[1] = 50.; | |
338 | mode3[1][0] = 1000010030; // tritium | |
339 | mode3[1][1] = 2212; // proton | |
340 | mode3[1][2] = -211; // negative pion | |
341 | ||
2942f542 | 342 | TVirtualMC::GetMC()->SetDecayMode(1010010040,bratio3,mode3); |
c05d75f7 | 343 | |
344 | ||
345 | // Define the 2- and 3-body phase space decay for the Hyper Hydrogen 4 | |
346 | Int_t amode3[6][3]; | |
347 | Float_t abratio3[6]; | |
348 | ||
349 | for (Int_t kz = 0; kz < 6; kz++) { | |
350 | abratio3[kz] = 0.; | |
351 | amode3[kz][0] = 0; | |
352 | amode3[kz][1] = 0; | |
353 | amode3[kz][2] = 0; | |
354 | } | |
355 | abratio3[0] = 50.; | |
356 | amode3[0][0] = -1000020040; // anti- Helium4 | |
357 | amode3[0][1] = 211; // positive pion | |
358 | abratio3[1] = 50.; | |
359 | amode3[1][0] = -1000010030; // anti-tritium | |
360 | amode3[1][1] = -2212; // anti-proton | |
361 | amode3[1][2] = 211; // positive pion | |
362 | ||
2942f542 | 363 | TVirtualMC::GetMC()->SetDecayMode(-1010010040,abratio3,amode3); |
c05d75f7 | 364 | |
365 | ||
366 | // Define the 3-body phase space decay for the Hyper Helium 4 | |
367 | Int_t mode4[6][3]; | |
368 | Float_t bratio4[6]; | |
369 | ||
370 | for (Int_t kz = 0; kz < 6; kz++) { | |
371 | bratio4[kz] = 0.; | |
372 | mode4[kz][0] = 0; | |
373 | mode4[kz][1] = 0; | |
374 | mode4[kz][2] = 0; | |
375 | } | |
376 | bratio4[0] = 100.; | |
377 | mode4[0][0] = 1000020030; // Helium3 | |
378 | mode4[0][1] = -211; // negative pion | |
379 | mode4[0][2] = 2212; // proton | |
380 | ||
2942f542 | 381 | TVirtualMC::GetMC()->SetDecayMode(1010020040,bratio4,mode4); |
c05d75f7 | 382 | |
383 | ||
384 | // Define the 2-body phase space decay for the Anti-Hyper Helium 4 | |
385 | Int_t amode4[6][3]; | |
386 | Float_t abratio4[6]; | |
387 | ||
388 | for (Int_t kz = 0; kz < 6; kz++) { | |
389 | abratio4[kz] = 0.; | |
390 | amode4[kz][0] = 0; | |
391 | amode4[kz][1] = 0; | |
392 | amode4[kz][2] = 0; | |
393 | } | |
394 | abratio4[0] = 100.; | |
395 | amode4[0][0] = -1000020030; // anti-Helium 3 | |
396 | amode4[0][1] = 211; // positive pion | |
397 | amode4[0][2] = -2212; // anti proton | |
398 | ||
2942f542 | 399 | TVirtualMC::GetMC()->SetDecayMode(-1010020040,abratio4,amode4); |
c05d75f7 | 400 | |
401 | ||
81333cca | 402 | // Define the 2-body phase space decay for the Lambda-neutron boundstate |
403 | Int_t mode1[6][3]; | |
404 | Float_t bratio1[6]; | |
405 | ||
406 | for (Int_t kz = 0; kz < 6; kz++) { | |
407 | bratio1[kz] = 0.; | |
408 | mode1[kz][0] = 0; | |
409 | mode1[kz][1] = 0; | |
410 | mode1[kz][2] = 0; | |
411 | } | |
412 | bratio1[0] = 100.; | |
413 | mode1[0][0] = 1000010020; // deuteron | |
414 | mode1[0][1] = -211; // negative pion | |
415 | ||
2942f542 | 416 | TVirtualMC::GetMC()->SetDecayMode(1010000020,bratio1,mode1); |
81333cca | 417 | |
418 | ||
419 | // Define the 2-body phase space decay for the Anti-Lambda-neutron boundstate | |
420 | Int_t amode1[6][3]; | |
421 | Float_t abratio1[6]; | |
422 | ||
423 | for (Int_t kz = 0; kz < 6; kz++) { | |
424 | abratio1[kz] = 0.; | |
425 | amode1[kz][0] = 0; | |
426 | amode1[kz][1] = 0; | |
427 | amode1[kz][2] = 0; | |
428 | } | |
429 | abratio1[0] = 100.; | |
430 | amode1[0][0] = -1000010020; // anti-deuteron | |
431 | amode1[0][1] = 211; // positive pion | |
432 | ||
2942f542 | 433 | TVirtualMC::GetMC()->SetDecayMode(-1010000020,abratio1,amode1); |
81333cca | 434 | |
435 | // Define the 2-body phase space decay for the H-Dibaryon | |
436 | Int_t mode2[6][3]; | |
437 | Float_t bratio2[6]; | |
438 | ||
439 | for (Int_t kz = 0; kz < 6; kz++) { | |
440 | bratio2[kz] = 0.; | |
441 | mode2[kz][0] = 0; | |
442 | mode2[kz][1] = 0; | |
443 | mode2[kz][2] = 0; | |
444 | } | |
445 | bratio2[0] = 100.; | |
446 | mode2[0][0] = 3122; // Lambda | |
447 | mode2[0][1] = 2212; // proton | |
448 | mode2[0][2] = -211; // negative pion | |
449 | ||
2942f542 | 450 | TVirtualMC::GetMC()->SetDecayMode(1020000020,bratio2,mode2); |
81333cca | 451 | |
452 | // Define the 2-body phase space decay for the Anti-H-Dibaryon | |
453 | Int_t amode2[6][3]; | |
454 | Float_t abratio2[6]; | |
455 | ||
456 | for (Int_t kz = 0; kz < 6; kz++) { | |
457 | abratio2[kz] = 0.; | |
458 | amode2[kz][0] = 0; | |
459 | amode2[kz][1] = 0; | |
460 | amode2[kz][2] = 0; | |
461 | } | |
462 | abratio2[0] = 100.; | |
463 | amode2[0][0] = -3122; // anti-deuteron | |
464 | amode2[0][1] = -2212; // anti-proton | |
465 | amode2[0][2] = 211; // positive pion | |
466 | ||
2942f542 | 467 | TVirtualMC::GetMC()->SetDecayMode(-1020000020,abratio2,amode2); |
81333cca | 468 | |
851a3884 | 469 | // Define the 2-body phase space decay for the Xi0P |
470 | Int_t mode5[6][3]; | |
471 | Float_t bratio5[6]; | |
472 | ||
473 | for (Int_t kz = 0; kz < 6; kz++) { | |
474 | bratio5[kz] = 0.; | |
475 | mode5[kz][0] = 0; | |
476 | mode5[kz][1] = 0; | |
477 | mode5[kz][2] = 0; | |
478 | } | |
479 | bratio5[0] = 100.; | |
480 | mode5[0][0] = 3122; // Lambda | |
481 | mode5[0][1] = 2212; // proton | |
482 | ||
2942f542 | 483 | TVirtualMC::GetMC()->SetDecayMode(1030000020,bratio5,mode5); |
851a3884 | 484 | |
485 | // Define the 2-body phase space decay for the Anti-Xi0P | |
486 | Int_t amode5[6][3]; | |
487 | Float_t abratio5[6]; | |
488 | ||
489 | for (Int_t kz = 0; kz < 6; kz++) { | |
490 | abratio5[kz] = 0.; | |
491 | amode5[kz][0] = 0; | |
492 | amode5[kz][1] = 0; | |
493 | amode5[kz][2] = 0; | |
494 | } | |
495 | abratio5[0] = 100.; | |
496 | amode5[0][0] = -3122; // anti-Lambda | |
497 | amode5[0][1] = -2212; // anti-proton | |
498 | ||
2942f542 | 499 | TVirtualMC::GetMC()->SetDecayMode(-1030000020,abratio5,amode5); |
851a3884 | 500 | |
501 | // Define the 2-body phase space decay for the Lambda-Neutron-Neutron | |
502 | Int_t mode6[6][3]; | |
503 | Float_t bratio6[6]; | |
504 | ||
505 | for (Int_t kz = 0; kz < 6; kz++) { | |
506 | bratio6[kz] = 0.; | |
507 | mode6[kz][0] = 0; | |
508 | mode6[kz][1] = 0; | |
509 | mode6[kz][2] = 0; | |
510 | } | |
511 | bratio6[0] = 100.; | |
512 | mode6[0][0] = 1000010030; // triton | |
513 | mode6[0][1] = -211; // pion | |
514 | ||
2942f542 | 515 | TVirtualMC::GetMC()->SetDecayMode(1010000030,bratio6,mode6); |
851a3884 | 516 | |
517 | // Define the 2-body phase space decay for the Anti-Lambda-Neutron-Neutron | |
518 | Int_t amode6[6][3]; | |
519 | Float_t abratio6[6]; | |
520 | ||
521 | for (Int_t kz = 0; kz < 6; kz++) { | |
522 | abratio6[kz] = 0.; | |
523 | amode6[kz][0] = 0; | |
524 | amode6[kz][1] = 0; | |
525 | amode6[kz][2] = 0; | |
526 | } | |
527 | abratio6[0] = 100.; | |
528 | amode6[0][0] = -1000010030; // anti-triton | |
529 | amode6[0][1] = 211; // pion | |
530 | ||
2942f542 | 531 | TVirtualMC::GetMC()->SetDecayMode(-1010000030,abratio6,amode6); |
851a3884 | 532 | |
81333cca | 533 | // end of the example |
534 | // -------------------------------------------------------------------- | |
535 | } | |
536 | ||
5d12ce38 | 537 | //_______________________________________________________________________ |
538 | void AliMC::InitGeometry() | |
539 | { | |
540 | // | |
27cf3cdc | 541 | // Initialize detectors |
5d12ce38 | 542 | // |
543 | ||
4a9de4af | 544 | AliInfo("Initialisation:"); |
545 | TStopwatch stw; | |
546 | TIter next(gAlice->Modules()); | |
547 | AliModule *detector; | |
548 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
549 | stw.Start(); | |
4a9de4af | 550 | detector->Init(); |
4a9de4af | 551 | AliInfo(Form("%10s R:%.2fs C:%.2fs", |
552 | detector->GetName(),stw.RealTime(),stw.CpuTime())); | |
553 | } | |
4787b401 | 554 | } |
555 | ||
d97f1dbe | 556 | //_______________________________________________________________________ |
557 | void AliMC::SetGeometryFromCDB() | |
558 | { | |
559 | // Set the loading of geometry from cdb instead of creating it | |
560 | // A default CDB storage needs to be set before this method is called | |
561 | if(AliCDBManager::Instance()->IsDefaultStorageSet() && | |
562 | AliCDBManager::Instance()->GetRun() >= 0) | |
563 | AliSimulation::Instance()->SetGeometryFile("*OCDB*"); | |
564 | else | |
565 | AliError("Loading of geometry from CDB ignored. First set a default CDB storage!"); | |
566 | } | |
567 | ||
568 | //_______________________________________________________________________ | |
569 | Bool_t AliMC::IsGeometryFromCDB() const | |
570 | { | |
571 | return (strcmp(AliSimulation::Instance()->GetGeometryFile(),"*OCDB*")==0); | |
572 | } | |
573 | ||
4787b401 | 574 | //_______________________________________________________________________ |
575 | void AliMC::SetAllAlignableVolumes() | |
576 | { | |
577 | // | |
578 | // Add alignable volumes (TGeoPNEntries) looping on all | |
579 | // active modules | |
580 | // | |
581 | ||
582 | AliInfo(Form("Setting entries for all alignable volumes of active detectors")); | |
583 | AliModule *detector; | |
584 | TIter next(gAlice->Modules()); | |
585 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
586 | detector->AddAlignableVolumes(); | |
587 | } | |
5d12ce38 | 588 | } |
589 | ||
590 | //_______________________________________________________________________ | |
2057aecb | 591 | void AliMC::GeneratePrimaries() |
5d12ce38 | 592 | { |
593 | // | |
594 | // Generate primary particles and fill them in the stack. | |
595 | // | |
596 | ||
597 | Generator()->Generate(); | |
598 | } | |
599 | ||
600 | //_______________________________________________________________________ | |
601 | void AliMC::SetGenerator(AliGenerator *generator) | |
602 | { | |
603 | // | |
604 | // Load the event generator | |
605 | // | |
606 | if(!fGenerator) fGenerator = generator; | |
607 | } | |
608 | ||
609 | //_______________________________________________________________________ | |
610 | void AliMC::ResetGenerator(AliGenerator *generator) | |
611 | { | |
612 | // | |
613 | // Load the event generator | |
614 | // | |
9a213abc | 615 | if(fGenerator) { |
616 | if(generator) { | |
21bf7095 | 617 | AliWarning(Form("Replacing generator %s with %s", |
9a213abc | 618 | fGenerator->GetName(),generator->GetName())); |
619 | } | |
620 | else { | |
21bf7095 | 621 | AliWarning(Form("Replacing generator %s with NULL", |
622 | fGenerator->GetName())); | |
9a213abc | 623 | } |
624 | } | |
5d12ce38 | 625 | fGenerator = generator; |
626 | } | |
627 | ||
628 | //_______________________________________________________________________ | |
629 | void AliMC::FinishRun() | |
630 | { | |
631 | // Clean generator information | |
21bf7095 | 632 | AliDebug(1, "fGenerator->FinishRun()"); |
5d12ce38 | 633 | fGenerator->FinishRun(); |
a5fe2c41 | 634 | |
635 | // Monitoring information | |
636 | if (fMonitor) { | |
637 | fMonitor->Print(); | |
638 | fMonitor->Export("timing.root"); | |
639 | } | |
5d12ce38 | 640 | |
641 | //Output energy summary tables | |
21bf7095 | 642 | AliDebug(1, "EnergySummary()"); |
643 | ToAliDebug(1, EnergySummary()); | |
5d12ce38 | 644 | } |
645 | ||
646 | //_______________________________________________________________________ | |
647 | void AliMC::BeginPrimary() | |
648 | { | |
649 | // | |
650 | // Called at the beginning of each primary track | |
651 | // | |
652 | ||
653 | // Reset Hits info | |
654 | ResetHits(); | |
655 | ResetTrackReferences(); | |
5d12ce38 | 656 | } |
657 | ||
658 | //_______________________________________________________________________ | |
659 | void AliMC::PreTrack() | |
660 | { | |
d0d4a6b3 | 661 | // Actions before the track's transport |
dde0a601 | 662 | |
81333cca | 663 | //verbose.PreTrack(); |
664 | ||
5d12ce38 | 665 | TObjArray &dets = *gAlice->Modules(); |
666 | AliModule *module; | |
667 | ||
668 | for(Int_t i=0; i<=gAlice->GetNdets(); i++) | |
669 | if((module = dynamic_cast<AliModule*>(dets[i]))) | |
670 | module->PreTrack(); | |
5d12ce38 | 671 | } |
672 | ||
673 | //_______________________________________________________________________ | |
674 | void AliMC::Stepping() | |
675 | { | |
676 | // | |
677 | // Called at every step during transport | |
678 | // | |
81333cca | 679 | //verbose.Stepping(); |
680 | ||
2942f542 | 681 | Int_t id = DetFromMate(TVirtualMC::GetMC()->CurrentMedium()); |
5d12ce38 | 682 | if (id < 0) return; |
683 | ||
0561efeb | 684 | |
2942f542 | 685 | if ( TVirtualMC::GetMC()->IsNewTrack() && |
686 | TVirtualMC::GetMC()->TrackTime() == 0. && | |
38ca2ad6 | 687 | fRDecayMin >= 0. && |
0561efeb | 688 | fRDecayMax > fRDecayMin && |
2942f542 | 689 | TVirtualMC::GetMC()->TrackPid() == fDecayPdg ) |
0561efeb | 690 | { |
691 | FixParticleDecaytime(); | |
692 | } | |
693 | ||
a5fe2c41 | 694 | // --- If monitoring timing was requested, monitor the step |
695 | if (fUseMonitoring) { | |
696 | if (!fMonitor) { | |
2942f542 | 697 | fMonitor = new AliTransportMonitor(TVirtualMC::GetMC()->NofVolumes()+1); |
a5fe2c41 | 698 | fMonitor->Start(); |
699 | } | |
2942f542 | 700 | if (TVirtualMC::GetMC()->IsNewTrack() || TVirtualMC::GetMC()->TrackTime() == 0. || TVirtualMC::GetMC()->TrackStep()<1.1E-10) { |
a5fe2c41 | 701 | fMonitor->DummyStep(); |
702 | } else { | |
703 | // Normal stepping | |
704 | Int_t copy; | |
2942f542 | 705 | Int_t volId = TVirtualMC::GetMC()->CurrentVolID(copy); |
706 | Int_t pdg = TVirtualMC::GetMC()->TrackPid(); | |
a5fe2c41 | 707 | TLorentzVector xyz, pxpypz; |
2942f542 | 708 | TVirtualMC::GetMC()->TrackPosition(xyz); |
709 | TVirtualMC::GetMC()->TrackMomentum(pxpypz); | |
a5fe2c41 | 710 | fMonitor->StepInfo(volId, pdg, pxpypz.E(), xyz.X(), xyz.Y(), xyz.Z()); |
711 | } | |
712 | } | |
5d12ce38 | 713 | // |
714 | // --- If lego option, do it and leave | |
3e2e3ece | 715 | if (AliSimulation::Instance()->Lego()) |
716 | AliSimulation::Instance()->Lego()->StepManager(); | |
5d12ce38 | 717 | else { |
718 | Int_t copy; | |
719 | //Update energy deposition tables | |
2942f542 | 720 | AddEnergyDeposit(TVirtualMC::GetMC()->CurrentVolID(copy),TVirtualMC::GetMC()->Edep()); |
ab03c084 | 721 | // |
722 | // write tracke reference for track which is dissapearing - MI | |
faad98df | 723 | |
2942f542 | 724 | if (TVirtualMC::GetMC()->IsTrackDisappeared() && !(TVirtualMC::GetMC()->IsTrackAlive())) { |
725 | if (TVirtualMC::GetMC()->Etot() > 0.05) AddTrackReference(GetCurrentTrackNumber(), | |
9ac3aec9 | 726 | AliTrackReference::kDisappeared); |
faad98df | 727 | |
728 | ||
b60e0f5e | 729 | } |
faad98df | 730 | |
5d12ce38 | 731 | //Call the appropriate stepping routine; |
732 | AliModule *det = dynamic_cast<AliModule*>(gAlice->Modules()->At(id)); | |
733 | if(det && det->StepManagerIsEnabled()) { | |
5d12ce38 | 734 | det->StepManager(); |
735 | } | |
736 | } | |
737 | } | |
738 | ||
739 | //_______________________________________________________________________ | |
740 | void AliMC::EnergySummary() | |
741 | { | |
9ac3aec9 | 742 | //e |
5d12ce38 | 743 | // Print summary of deposited energy |
744 | // | |
745 | ||
746 | Int_t ndep=0; | |
747 | Float_t edtot=0; | |
748 | Float_t ed, ed2; | |
749 | Int_t kn, i, left, j, id; | |
750 | const Float_t kzero=0; | |
33c3c91a | 751 | Int_t ievent=AliRunLoader::Instance()->GetHeader()->GetEvent()+1; |
5d12ce38 | 752 | // |
753 | // Energy loss information | |
754 | if(ievent) { | |
755 | printf("***************** Energy Loss Information per event (GEV) *****************\n"); | |
756 | for(kn=1;kn<fEventEnergy.GetSize();kn++) { | |
757 | ed=fSummEnergy[kn]; | |
758 | if(ed>0) { | |
759 | fEventEnergy[ndep]=kn; | |
760 | if(ievent>1) { | |
761 | ed=ed/ievent; | |
762 | ed2=fSum2Energy[kn]; | |
763 | ed2=ed2/ievent; | |
764 | ed2=100*TMath::Sqrt(TMath::Max(ed2-ed*ed,kzero))/ed; | |
765 | } else | |
766 | ed2=99; | |
767 | fSummEnergy[ndep]=ed; | |
768 | fSum2Energy[ndep]=TMath::Min(static_cast<Float_t>(99.),TMath::Max(ed2,kzero)); | |
769 | edtot+=ed; | |
770 | ndep++; | |
771 | } | |
772 | } | |
773 | for(kn=0;kn<(ndep-1)/3+1;kn++) { | |
774 | left=ndep-kn*3; | |
775 | for(i=0;i<(3<left?3:left);i++) { | |
776 | j=kn*3+i; | |
777 | id=Int_t (fEventEnergy[j]+0.1); | |
2942f542 | 778 | printf(" %s %10.3f +- %10.3f%%;",TVirtualMC::GetMC()->VolName(id),fSummEnergy[j],fSum2Energy[j]); |
5d12ce38 | 779 | } |
780 | printf("\n"); | |
781 | } | |
782 | // | |
783 | // Relative energy loss in different detectors | |
784 | printf("******************** Relative Energy Loss per event ********************\n"); | |
785 | printf("Total energy loss per event %10.3f GeV\n",edtot); | |
786 | for(kn=0;kn<(ndep-1)/5+1;kn++) { | |
787 | left=ndep-kn*5; | |
788 | for(i=0;i<(5<left?5:left);i++) { | |
789 | j=kn*5+i; | |
790 | id=Int_t (fEventEnergy[j]+0.1); | |
2942f542 | 791 | printf(" %s %10.3f%%;",TVirtualMC::GetMC()->VolName(id),100*fSummEnergy[j]/edtot); |
5d12ce38 | 792 | } |
793 | printf("\n"); | |
794 | } | |
795 | for(kn=0;kn<75;kn++) printf("*"); | |
796 | printf("\n"); | |
797 | } | |
798 | // | |
799 | // Reset the TArray's | |
800 | // fEventEnergy.Set(0); | |
801 | // fSummEnergy.Set(0); | |
802 | // fSum2Energy.Set(0); | |
803 | } | |
9d188d33 | 804 | #include <TFile.h> |
5d12ce38 | 805 | //_____________________________________________________________________________ |
806 | void AliMC::BeginEvent() | |
807 | { | |
808 | // | |
809 | // Clean-up previous event | |
810 | // Energy scores | |
21bf7095 | 811 | AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); |
812 | AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); | |
813 | AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); | |
814 | AliDebug(1, " BEGINNING EVENT "); | |
815 | AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); | |
816 | AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); | |
817 | AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); | |
9d188d33 | 818 | |
33c3c91a | 819 | AliRunLoader *runloader=AliRunLoader::Instance(); |
5d12ce38 | 820 | |
821 | /*******************************/ | |
822 | /* Clean after eventual */ | |
823 | /* previous event */ | |
824 | /*******************************/ | |
825 | ||
826 | ||
827 | //Set the next event in Run Loader -> Cleans trees (TreeK and all trees in detectors), | |
828 | gAlice->SetEventNrInRun(gAlice->GetEventNrInRun()+1); | |
829 | runloader->SetEventNumber(gAlice->GetEventNrInRun());// sets new files, cleans the previous event stuff, if necessary, etc., | |
21bf7095 | 830 | AliDebug(1, Form("EventNr is %d",gAlice->GetEventNrInRun())); |
5d12ce38 | 831 | |
832 | fEventEnergy.Reset(); | |
833 | // Clean detector information | |
834 | ||
835 | if (runloader->Stack()) | |
3cac0921 | 836 | runloader->Stack()->Reset();//clean stack -> tree is unloaded |
5d12ce38 | 837 | else |
3cac0921 | 838 | runloader->MakeStack();//or make a new one |
504b172d | 839 | |
9d188d33 | 840 | // Random engine status |
841 | // | |
9ac3aec9 | 842 | |
9d188d33 | 843 | if ( fSaveRndmStatus || fSaveRndmEventStatus) { |
844 | TString fileName="random"; | |
845 | if ( fSaveRndmEventStatus ) { | |
846 | fileName += "Evt"; | |
847 | fileName += gAlice->GetEventNrInRun(); | |
848 | } | |
849 | fileName += ".root"; | |
850 | ||
851 | // write ROOT random engine status | |
852 | cout << "Saving random engine status in " << fileName.Data() << endl; | |
853 | TFile f(fileName.Data(),"RECREATE"); | |
854 | gRandom->Write(fileName.Data()); | |
855 | } | |
856 | ||
857 | if ( fReadRndmStatus ) { | |
858 | //read ROOT random engine status | |
859 | cout << "Reading random engine status from " << fRndmFileName.Data() << endl; | |
860 | TFile f(fRndmFileName.Data()); | |
861 | gRandom->Read(fRndmFileName.Data()); | |
862 | } | |
863 | ||
3e2e3ece | 864 | if(AliSimulation::Instance()->Lego() == 0x0) |
3cac0921 | 865 | { |
866 | AliDebug(1, "fRunLoader->MakeTree(K)"); | |
867 | runloader->MakeTree("K"); | |
868 | } | |
869 | ||
2942f542 | 870 | AliDebug(1, "TVirtualMC::GetMC()->SetStack(fRunLoader->Stack())"); |
871 | TVirtualMC::GetMC()->SetStack(runloader->Stack());//Was in InitMC - but was moved here | |
5d12ce38 | 872 | //because we don't have guarantee that |
873 | //stack pointer is not going to change from event to event | |
874 | //since it bellobgs to header and is obtained via RunLoader | |
875 | // | |
876 | // Reset all Detectors & kinematics & make/reset trees | |
877 | // | |
878 | ||
8c8fbdcd | 879 | runloader->GetHeader()->Reset(AliCDBManager::Instance()->GetRun(),gAlice->GetEvNumber(), |
3cac0921 | 880 | gAlice->GetEventNrInRun()); |
5d12ce38 | 881 | // fRunLoader->WriteKinematics("OVERWRITE"); is there any reason to rewrite here since MakeTree does so |
882 | ||
3e2e3ece | 883 | if(AliSimulation::Instance()->Lego()) |
3cac0921 | 884 | { |
3e2e3ece | 885 | AliSimulation::Instance()->Lego()->BeginEvent(); |
3cac0921 | 886 | return; |
887 | } | |
504b172d | 888 | |
5d12ce38 | 889 | |
21bf7095 | 890 | AliDebug(1, "ResetHits()"); |
5d12ce38 | 891 | ResetHits(); |
504b172d | 892 | |
21bf7095 | 893 | AliDebug(1, "fRunLoader->MakeTree(H)"); |
5d12ce38 | 894 | runloader->MakeTree("H"); |
504b172d | 895 | |
5d12ce38 | 896 | |
5d12ce38 | 897 | |
3cac0921 | 898 | MakeTmpTrackRefsTree(); |
5d12ce38 | 899 | //create new branches and SetAdresses |
900 | TIter next(gAlice->Modules()); | |
901 | AliModule *detector; | |
902 | while((detector = (AliModule*)next())) | |
903 | { | |
3cac0921 | 904 | AliDebug(2, Form("%s->MakeBranch(H)",detector->GetName())); |
905 | detector->MakeBranch("H"); | |
5d12ce38 | 906 | } |
907 | } | |
908 | ||
909 | //_______________________________________________________________________ | |
910 | void AliMC::ResetHits() | |
911 | { | |
912 | // | |
913 | // Reset all Detectors hits | |
914 | // | |
915 | TIter next(gAlice->Modules()); | |
916 | AliModule *detector; | |
917 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
918 | detector->ResetHits(); | |
919 | } | |
920 | } | |
921 | ||
3e2e3ece | 922 | //_______________________________________________________________________ |
923 | void AliMC::ResetDigits() | |
924 | { | |
925 | // | |
926 | // Reset all Detectors digits | |
927 | // | |
928 | TIter next(gAlice->Modules()); | |
929 | AliModule *detector; | |
930 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
931 | detector->ResetDigits(); | |
932 | } | |
933 | } | |
934 | ||
935 | //_______________________________________________________________________ | |
936 | void AliMC::ResetSDigits() | |
937 | { | |
938 | // | |
939 | // Reset all Detectors digits | |
940 | // | |
941 | TIter next(gAlice->Modules()); | |
942 | AliModule *detector; | |
943 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
944 | detector->ResetSDigits(); | |
945 | } | |
946 | } | |
947 | ||
5d12ce38 | 948 | //_______________________________________________________________________ |
949 | void AliMC::PostTrack() | |
950 | { | |
d0d4a6b3 | 951 | // Posts tracks for each module |
dde0a601 | 952 | |
4a9de4af | 953 | TObjArray &dets = *gAlice->Modules(); |
954 | AliModule *module; | |
955 | ||
956 | for(Int_t i=0; i<=gAlice->GetNdets(); i++) | |
957 | if((module = dynamic_cast<AliModule*>(dets[i]))) | |
958 | module->PostTrack(); | |
5d12ce38 | 959 | } |
960 | ||
961 | //_______________________________________________________________________ | |
962 | void AliMC::FinishPrimary() | |
963 | { | |
964 | // | |
965 | // Called at the end of each primary track | |
966 | // | |
dde0a601 | 967 | |
33c3c91a | 968 | AliRunLoader *runloader=AliRunLoader::Instance(); |
5d12ce38 | 969 | // static Int_t count=0; |
970 | // const Int_t times=10; | |
971 | // This primary is finished, purify stack | |
c75cfb51 | 972 | #if ROOT_VERSION_CODE > 262152 |
2942f542 | 973 | if (!(TVirtualMC::GetMC()->SecondariesAreOrdered())) { |
77db8cbf | 974 | if (runloader->Stack()->ReorderKine()) RemapHits(); |
942a9039 | 975 | } |
c75cfb51 | 976 | #endif |
77db8cbf | 977 | if (runloader->Stack()->PurifyKine()) RemapHits(); |
504b172d | 978 | |
5d12ce38 | 979 | TIter next(gAlice->Modules()); |
980 | AliModule *detector; | |
981 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
982 | detector->FinishPrimary(); | |
504b172d | 983 | AliLoader* loader = detector->GetLoader(); |
984 | if(loader) | |
985 | { | |
986 | TTree* treeH = loader->TreeH(); | |
987 | if (treeH) treeH->Fill(); //can be Lego run and treeH can not exist | |
988 | } | |
5d12ce38 | 989 | } |
990 | ||
991 | // Write out track references if any | |
3cac0921 | 992 | if (fTmpTreeTR) fTmpTreeTR->Fill(); |
5d12ce38 | 993 | } |
994 | ||
942a9039 | 995 | void AliMC::RemapHits() |
996 | { | |
997 | // | |
998 | // Remaps the track labels of the hits | |
33c3c91a | 999 | AliRunLoader *runloader=AliRunLoader::Instance(); |
942a9039 | 1000 | AliStack* stack = runloader->Stack(); |
1001 | TList* hitLists = GetHitLists(); | |
1002 | TIter next(hitLists); | |
1003 | TCollection *hitList; | |
1004 | ||
1005 | while((hitList = dynamic_cast<TCollection*>(next()))) { | |
1006 | TIter nexthit(hitList); | |
1007 | AliHit *hit; | |
1008 | while((hit = dynamic_cast<AliHit*>(nexthit()))) { | |
1009 | hit->SetTrack(stack->TrackLabel(hit->GetTrack())); | |
1010 | } | |
1011 | } | |
1012 | ||
1013 | // | |
1014 | // This for detectors which have a special mapping mechanism | |
1015 | // for hits, such as TPC and TRD | |
1016 | // | |
ac2b85c0 | 1017 | |
942a9039 | 1018 | |
1019 | TObjArray* modules = gAlice->Modules(); | |
1020 | TIter nextmod(modules); | |
ac2b85c0 | 1021 | AliModule *module; |
1022 | while((module = (AliModule*) nextmod())) { | |
1023 | AliDetector* det = dynamic_cast<AliDetector*> (module); | |
1024 | if (det) det->RemapTrackHitIDs(stack->TrackLabelMap()); | |
942a9039 | 1025 | } |
1026 | // | |
1027 | RemapTrackReferencesIDs(stack->TrackLabelMap()); | |
1028 | } | |
1029 | ||
5d12ce38 | 1030 | //_______________________________________________________________________ |
1031 | void AliMC::FinishEvent() | |
1032 | { | |
1033 | // | |
1034 | // Called at the end of the event. | |
1035 | // | |
38ca2ad6 | 1036 | |
3e2e3ece | 1037 | if(AliSimulation::Instance()->Lego()) AliSimulation::Instance()->Lego()->FinishEvent(); |
5d12ce38 | 1038 | |
1039 | TIter next(gAlice->Modules()); | |
1040 | AliModule *detector; | |
1041 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
1042 | detector->FinishEvent(); | |
1043 | } | |
1044 | ||
1045 | //Update the energy deposit tables | |
1046 | Int_t i; | |
1047 | for(i=0;i<fEventEnergy.GetSize();i++) | |
1048 | { | |
1049 | fSummEnergy[i]+=fEventEnergy[i]; | |
1050 | fSum2Energy[i]+=fEventEnergy[i]*fEventEnergy[i]; | |
1051 | } | |
1052 | ||
33c3c91a | 1053 | AliRunLoader *runloader=AliRunLoader::Instance(); |
5d12ce38 | 1054 | |
1055 | AliHeader* header = runloader->GetHeader(); | |
1056 | AliStack* stack = runloader->Stack(); | |
1057 | if ( (header == 0x0) || (stack == 0x0) ) | |
1058 | {//check if we got header and stack. If not cry and exit aliroot | |
21bf7095 | 1059 | AliFatal("Can not get the stack or header from LOADER"); |
5d12ce38 | 1060 | return;//never reached |
1061 | } | |
1062 | // Update Header information | |
1063 | header->SetNprimary(stack->GetNprimary()); | |
1064 | header->SetNtrack(stack->GetNtrack()); | |
475baf89 | 1065 | header->SetTimeStamp(AliSimulation::Instance()->GenerateTimeStamp()); |
5d12ce38 | 1066 | |
5d12ce38 | 1067 | // Write out the kinematics |
3e2e3ece | 1068 | if (!AliSimulation::Instance()->Lego()) stack->FinishEvent(); |
3cac0921 | 1069 | |
1070 | // Synchronize the TreeTR with TreeK | |
172bc1fb | 1071 | if (fTmpTreeTR) ReorderAndExpandTreeTR(); |
5d12ce38 | 1072 | |
1073 | // Write out the event Header information | |
1074 | TTree* treeE = runloader->TreeE(); | |
1075 | if (treeE) | |
1076 | { | |
1077 | header->SetStack(stack); | |
1078 | treeE->Fill(); | |
1079 | } | |
1080 | else | |
1081 | { | |
21bf7095 | 1082 | AliError("Can not get TreeE from RL"); |
5d12ce38 | 1083 | } |
1084 | ||
3e2e3ece | 1085 | if(AliSimulation::Instance()->Lego() == 0x0) |
504b172d | 1086 | { |
1087 | runloader->WriteKinematics("OVERWRITE"); | |
1088 | runloader->WriteTrackRefs("OVERWRITE"); | |
1089 | runloader->WriteHits("OVERWRITE"); | |
1090 | } | |
1091 | ||
21bf7095 | 1092 | AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); |
1093 | AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); | |
1094 | AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); | |
1095 | AliDebug(1, " FINISHING EVENT "); | |
1096 | AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); | |
1097 | AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); | |
1098 | AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); | |
5d12ce38 | 1099 | } |
1100 | ||
5d12ce38 | 1101 | //_______________________________________________________________________ |
1102 | void AliMC::Init() | |
1103 | { | |
d0d4a6b3 | 1104 | // MC initialization |
5d12ce38 | 1105 | |
9d188d33 | 1106 | |
5d12ce38 | 1107 | //=================Create Materials and geometry |
2942f542 | 1108 | TVirtualMC::GetMC()->Init(); |
4e889ff4 | 1109 | // Set alignable volumes for the whole geometry (with old root) |
1110 | #if ROOT_VERSION_CODE < 331527 | |
1111 | SetAllAlignableVolumes(); | |
1112 | #endif | |
5d12ce38 | 1113 | //Read the cuts for all materials |
1114 | ReadTransPar(); | |
1115 | //Build the special IMEDIA table | |
1116 | MediaTable(); | |
1117 | ||
1118 | //Compute cross-sections | |
2942f542 | 1119 | TVirtualMC::GetMC()->BuildPhysics(); |
5d12ce38 | 1120 | |
5d12ce38 | 1121 | //Initialise geometry deposition table |
2942f542 | 1122 | fEventEnergy.Set(TVirtualMC::GetMC()->NofVolumes()+1); |
1123 | fSummEnergy.Set(TVirtualMC::GetMC()->NofVolumes()+1); | |
1124 | fSum2Energy.Set(TVirtualMC::GetMC()->NofVolumes()+1); | |
5d12ce38 | 1125 | |
5d12ce38 | 1126 | // Register MC in configuration |
2942f542 | 1127 | AliConfig::Instance()->Add(TVirtualMC::GetMC()); |
5d12ce38 | 1128 | } |
1129 | ||
1130 | //_______________________________________________________________________ | |
1131 | void AliMC::MediaTable() | |
1132 | { | |
1133 | // | |
1134 | // Built media table to get from the media number to | |
1135 | // the detector id | |
1136 | // | |
1137 | ||
1138 | Int_t kz, nz, idt, lz, i, k, ind; | |
1139 | // Int_t ibeg; | |
1140 | TObjArray &dets = *gAlice->Detectors(); | |
1141 | AliModule *det; | |
1142 | Int_t ndets=gAlice->GetNdets(); | |
1143 | // | |
1144 | // For all detectors | |
1145 | for (kz=0;kz<ndets;kz++) { | |
1146 | // If detector is defined | |
1147 | if((det=dynamic_cast<AliModule*>(dets[kz]))) { | |
1148 | TArrayI &idtmed = *(det->GetIdtmed()); | |
1149 | for(nz=0;nz<100;nz++) { | |
0561efeb | 1150 | |
5d12ce38 | 1151 | // Find max and min material number |
1152 | if((idt=idtmed[nz])) { | |
1153 | det->LoMedium() = det->LoMedium() < idt ? det->LoMedium() : idt; | |
1154 | det->HiMedium() = det->HiMedium() > idt ? det->HiMedium() : idt; | |
1155 | } | |
1156 | } | |
1157 | if(det->LoMedium() > det->HiMedium()) { | |
1158 | det->LoMedium() = 0; | |
1159 | det->HiMedium() = 0; | |
1160 | } else { | |
1161 | if(det->HiMedium() > fImedia->GetSize()) { | |
21bf7095 | 1162 | AliError(Form("Increase fImedia from %d to %d", |
1163 | fImedia->GetSize(),det->HiMedium())); | |
5d12ce38 | 1164 | return; |
1165 | } | |
1166 | // Tag all materials in rage as belonging to detector kz | |
1167 | for(lz=det->LoMedium(); lz<= det->HiMedium(); lz++) { | |
1168 | (*fImedia)[lz]=kz; | |
1169 | } | |
1170 | } | |
1171 | } | |
1172 | } | |
1173 | // | |
1174 | // Print summary table | |
21bf7095 | 1175 | AliInfo("Tracking media ranges:"); |
1176 | ToAliInfo( | |
5d12ce38 | 1177 | for(i=0;i<(ndets-1)/6+1;i++) { |
1178 | for(k=0;k< (6<ndets-i*6?6:ndets-i*6);k++) { | |
1179 | ind=i*6+k; | |
1180 | det=dynamic_cast<AliModule*>(dets[ind]); | |
1181 | if(det) | |
1182 | printf(" %6s: %3d -> %3d;",det->GetName(),det->LoMedium(), | |
1183 | det->HiMedium()); | |
1184 | else | |
1185 | printf(" %6s: %3d -> %3d;","NULL",0,0); | |
1186 | } | |
1187 | printf("\n"); | |
1188 | } | |
13242232 | 1189 | ); |
5d12ce38 | 1190 | } |
1191 | ||
1192 | //_______________________________________________________________________ | |
1193 | void AliMC::ReadTransPar() | |
1194 | { | |
1195 | // | |
1196 | // Read filename to set the transport parameters | |
1197 | // | |
1198 | ||
1199 | ||
1200 | const Int_t kncuts=10; | |
61721f6c | 1201 | const Int_t knflags=12; |
5d12ce38 | 1202 | const Int_t knpars=kncuts+knflags; |
1203 | const char kpars[knpars][7] = {"CUTGAM" ,"CUTELE","CUTNEU","CUTHAD","CUTMUO", | |
1204 | "BCUTE","BCUTM","DCUTE","DCUTM","PPCUTM","ANNI", | |
1205 | "BREM","COMP","DCAY","DRAY","HADR","LOSS", | |
61721f6c | 1206 | "MULS","PAIR","PHOT","RAYL","STRA"}; |
5d12ce38 | 1207 | char line[256]; |
1208 | char detName[7]; | |
1209 | char* filtmp; | |
1210 | Float_t cut[kncuts]; | |
1211 | Int_t flag[knflags]; | |
a5a7da11 | 1212 | Int_t i, itmed, iret, jret, ktmed, kz; |
5d12ce38 | 1213 | FILE *lun; |
1214 | // | |
1215 | // See whether the file is there | |
1216 | filtmp=gSystem->ExpandPathName(fTransParName.Data()); | |
1217 | lun=fopen(filtmp,"r"); | |
1218 | delete [] filtmp; | |
1219 | if(!lun) { | |
21bf7095 | 1220 | AliWarning(Form("File %s does not exist!",fTransParName.Data())); |
5d12ce38 | 1221 | return; |
1222 | } | |
1223 | // | |
5d12ce38 | 1224 | while(1) { |
1225 | // Initialise cuts and flags | |
1226 | for(i=0;i<kncuts;i++) cut[i]=-99; | |
1227 | for(i=0;i<knflags;i++) flag[i]=-99; | |
1228 | itmed=0; | |
01a0f5d0 | 1229 | memset(line,0,256); |
5d12ce38 | 1230 | // Read up to the end of line excluded |
01a0f5d0 | 1231 | iret=fscanf(lun,"%255[^\n]",line); |
5d12ce38 | 1232 | if(iret<0) { |
1233 | //End of file | |
1234 | fclose(lun); | |
5d12ce38 | 1235 | return; |
1236 | } | |
1237 | // Read the end of line | |
a5a7da11 | 1238 | jret = fscanf(lun,"%*c"); |
5d12ce38 | 1239 | if(!iret) continue; |
1240 | if(line[0]=='*') continue; | |
1241 | // Read the numbers | |
e6585570 | 1242 | iret=sscanf(line,"%6s %d %f %f %f %f %f %f %f %f %f %f %d %d %d %d %d %d %d %d %d %d %d %d", |
5d12ce38 | 1243 | detName,&itmed,&cut[0],&cut[1],&cut[2],&cut[3],&cut[4],&cut[5],&cut[6],&cut[7],&cut[8], |
1244 | &cut[9],&flag[0],&flag[1],&flag[2],&flag[3],&flag[4],&flag[5],&flag[6],&flag[7], | |
61721f6c | 1245 | &flag[8],&flag[9],&flag[10],&flag[11]); |
5d12ce38 | 1246 | if(!iret) continue; |
1247 | if(iret<0) { | |
1248 | //reading error | |
21bf7095 | 1249 | AliWarning(Form("Error reading file %s",fTransParName.Data())); |
5d12ce38 | 1250 | continue; |
1251 | } | |
1252 | // Check that the module exist | |
1253 | AliModule *mod = gAlice->GetModule(detName); | |
1254 | if(mod) { | |
1255 | // Get the array of media numbers | |
1256 | TArrayI &idtmed = *mod->GetIdtmed(); | |
1257 | // Check that the tracking medium code is valid | |
1258 | if(0<=itmed && itmed < 100) { | |
1259 | ktmed=idtmed[itmed]; | |
1260 | if(!ktmed) { | |
21bf7095 | 1261 | AliWarning(Form("Invalid tracking medium code %d for %s",itmed,mod->GetName())); |
5d12ce38 | 1262 | continue; |
1263 | } | |
1264 | // Set energy thresholds | |
1265 | for(kz=0;kz<kncuts;kz++) { | |
1266 | if(cut[kz]>=0) { | |
21bf7095 | 1267 | AliDebug(2, Form("%-6s set to %10.3E for tracking medium code %4d for %s", |
1268 | kpars[kz],cut[kz],itmed,mod->GetName())); | |
2942f542 | 1269 | TVirtualMC::GetMC()->Gstpar(ktmed,kpars[kz],cut[kz]); |
5d12ce38 | 1270 | } |
1271 | } | |
1272 | // Set transport mechanisms | |
1273 | for(kz=0;kz<knflags;kz++) { | |
1274 | if(flag[kz]>=0) { | |
21bf7095 | 1275 | AliDebug(2, Form("%-6s set to %10d for tracking medium code %4d for %s", |
1276 | kpars[kncuts+kz],flag[kz],itmed,mod->GetName())); | |
2942f542 | 1277 | TVirtualMC::GetMC()->Gstpar(ktmed,kpars[kncuts+kz],Float_t(flag[kz])); |
5d12ce38 | 1278 | } |
1279 | } | |
1280 | } else { | |
21bf7095 | 1281 | AliWarning(Form("Invalid medium code %d",itmed)); |
5d12ce38 | 1282 | continue; |
1283 | } | |
1284 | } else { | |
21bf7095 | 1285 | AliDebug(1, Form("%s not present",detName)); |
5d12ce38 | 1286 | continue; |
1287 | } | |
1288 | } | |
1289 | } | |
1290 | ||
1291 | //_______________________________________________________________________ | |
1292 | void AliMC::SetTransPar(const char *filename) | |
1293 | { | |
1294 | // | |
1295 | // Sets the file name for transport parameters | |
1296 | // | |
1297 | fTransParName = filename; | |
1298 | } | |
1299 | ||
5d12ce38 | 1300 | //_______________________________________________________________________ |
1301 | void AliMC::AddHit(Int_t id, Int_t track, Int_t *vol, Float_t *hits) const | |
1302 | { | |
1303 | // | |
1304 | // Add a hit to detector id | |
1305 | // | |
1306 | TObjArray &dets = *gAlice->Modules(); | |
1c9a8216 | 1307 | if(dets[id]) static_cast<AliModule*>(dets[id])->AddHit(track,vol,hits); |
5d12ce38 | 1308 | } |
1309 | ||
1310 | //_______________________________________________________________________ | |
1311 | void AliMC::AddDigit(Int_t id, Int_t *tracks, Int_t *digits) const | |
1312 | { | |
1313 | // | |
1314 | // Add digit to detector id | |
1315 | // | |
1316 | TObjArray &dets = *gAlice->Modules(); | |
1c9a8216 | 1317 | if(dets[id]) static_cast<AliModule*>(dets[id])->AddDigit(tracks,digits); |
5d12ce38 | 1318 | } |
1319 | ||
1320 | //_______________________________________________________________________ | |
1321 | Int_t AliMC::GetCurrentTrackNumber() const { | |
1322 | // | |
1323 | // Returns current track | |
1324 | // | |
33c3c91a | 1325 | return AliRunLoader::Instance()->Stack()->GetCurrentTrackNumber(); |
5d12ce38 | 1326 | } |
1327 | ||
1328 | //_______________________________________________________________________ | |
1329 | void AliMC::DumpPart (Int_t i) const | |
1330 | { | |
1331 | // | |
1332 | // Dumps particle i in the stack | |
1333 | // | |
33c3c91a | 1334 | AliRunLoader * runloader = AliRunLoader::Instance(); |
5d12ce38 | 1335 | if (runloader->Stack()) |
1336 | runloader->Stack()->DumpPart(i); | |
1337 | } | |
1338 | ||
1339 | //_______________________________________________________________________ | |
1340 | void AliMC::DumpPStack () const | |
1341 | { | |
1342 | // | |
1343 | // Dumps the particle stack | |
1344 | // | |
33c3c91a | 1345 | AliRunLoader * runloader = AliRunLoader::Instance(); |
5d12ce38 | 1346 | if (runloader->Stack()) |
1347 | runloader->Stack()->DumpPStack(); | |
1348 | } | |
1349 | ||
1350 | //_______________________________________________________________________ | |
1351 | Int_t AliMC::GetNtrack() const { | |
1352 | // | |
1353 | // Returns number of tracks in stack | |
1354 | // | |
1355 | Int_t ntracks = -1; | |
33c3c91a | 1356 | AliRunLoader * runloader = AliRunLoader::Instance(); |
5d12ce38 | 1357 | if (runloader->Stack()) |
1358 | ntracks = runloader->Stack()->GetNtrack(); | |
1359 | return ntracks; | |
1360 | } | |
1361 | ||
1362 | //_______________________________________________________________________ | |
1363 | Int_t AliMC::GetPrimary(Int_t track) const | |
1364 | { | |
1365 | // | |
1366 | // return number of primary that has generated track | |
1367 | // | |
1368 | Int_t nprimary = -999; | |
33c3c91a | 1369 | AliRunLoader * runloader = AliRunLoader::Instance(); |
5d12ce38 | 1370 | if (runloader->Stack()) |
1371 | nprimary = runloader->Stack()->GetPrimary(track); | |
1372 | return nprimary; | |
1373 | } | |
1374 | ||
1375 | //_______________________________________________________________________ | |
1376 | TParticle* AliMC::Particle(Int_t i) const | |
1377 | { | |
d0d4a6b3 | 1378 | // Returns the i-th particle from the stack taking into account |
1379 | // the remaping done by PurifyKine | |
33c3c91a | 1380 | AliRunLoader * runloader = AliRunLoader::Instance(); |
5d12ce38 | 1381 | if (runloader) |
1382 | if (runloader->Stack()) | |
1383 | return runloader->Stack()->Particle(i); | |
1384 | return 0x0; | |
1385 | } | |
1386 | ||
1387 | //_______________________________________________________________________ | |
6c753956 | 1388 | const TObjArray* AliMC::Particles() const { |
5d12ce38 | 1389 | // |
1390 | // Returns pointer to Particles array | |
1391 | // | |
33c3c91a | 1392 | AliRunLoader * runloader = AliRunLoader::Instance(); |
5d12ce38 | 1393 | if (runloader) |
1394 | if (runloader->Stack()) | |
1395 | return runloader->Stack()->Particles(); | |
1396 | return 0x0; | |
1397 | } | |
1398 | ||
1399 | //_______________________________________________________________________ | |
3e2e3ece | 1400 | void AliMC::PushTrack(Int_t done, Int_t parent, Int_t pdg, const Float_t *pmom, |
1401 | const Float_t *vpos, const Float_t *polar, Float_t tof, | |
2057aecb | 1402 | TMCProcess mech, Int_t &ntr, Float_t weight, Int_t is) const |
5d12ce38 | 1403 | { |
1404 | // Delegate to stack | |
1405 | // | |
33c3c91a | 1406 | AliRunLoader * runloader = AliRunLoader::Instance(); |
5d12ce38 | 1407 | if (runloader) |
1408 | if (runloader->Stack()) | |
1409 | runloader->Stack()->PushTrack(done, parent, pdg, pmom, vpos, polar, tof, | |
1410 | mech, ntr, weight, is); | |
1411 | } | |
1412 | ||
1413 | //_______________________________________________________________________ | |
1414 | void AliMC::PushTrack(Int_t done, Int_t parent, Int_t pdg, | |
1415 | Double_t px, Double_t py, Double_t pz, Double_t e, | |
1416 | Double_t vx, Double_t vy, Double_t vz, Double_t tof, | |
1417 | Double_t polx, Double_t poly, Double_t polz, | |
2057aecb | 1418 | TMCProcess mech, Int_t &ntr, Float_t weight, Int_t is) const |
5d12ce38 | 1419 | { |
1420 | // Delegate to stack | |
1421 | // | |
33c3c91a | 1422 | AliRunLoader * runloader = AliRunLoader::Instance(); |
5d12ce38 | 1423 | if (runloader) |
1424 | if (runloader->Stack()) | |
1425 | runloader->Stack()->PushTrack(done, parent, pdg, px, py, pz, e, vx, vy, vz, tof, | |
1426 | polx, poly, polz, mech, ntr, weight, is); | |
1427 | } | |
1428 | ||
1429 | //_______________________________________________________________________ | |
2057aecb | 1430 | void AliMC::SetHighWaterMark(Int_t nt) const |
5d12ce38 | 1431 | { |
1432 | // | |
1433 | // Set high water mark for last track in event | |
33c3c91a | 1434 | AliRunLoader * runloader = AliRunLoader::Instance(); |
5d12ce38 | 1435 | if (runloader) |
1436 | if (runloader->Stack()) | |
1437 | runloader->Stack()->SetHighWaterMark(nt); | |
1438 | } | |
1439 | ||
1440 | //_______________________________________________________________________ | |
2057aecb | 1441 | void AliMC::KeepTrack(Int_t track) const |
5d12ce38 | 1442 | { |
1443 | // | |
1444 | // Delegate to stack | |
1445 | // | |
33c3c91a | 1446 | AliRunLoader * runloader = AliRunLoader::Instance(); |
5d12ce38 | 1447 | if (runloader) |
1448 | if (runloader->Stack()) | |
1449 | runloader->Stack()->KeepTrack(track); | |
1450 | } | |
1451 | ||
1452 | //_______________________________________________________________________ | |
2057aecb | 1453 | void AliMC::FlagTrack(Int_t track) const |
5d12ce38 | 1454 | { |
1455 | // Delegate to stack | |
1456 | // | |
33c3c91a | 1457 | AliRunLoader * runloader = AliRunLoader::Instance(); |
5d12ce38 | 1458 | if (runloader) |
1459 | if (runloader->Stack()) | |
1460 | runloader->Stack()->FlagTrack(track); | |
1461 | } | |
1462 | ||
1463 | //_______________________________________________________________________ | |
2057aecb | 1464 | void AliMC::SetCurrentTrack(Int_t track) const |
5d12ce38 | 1465 | { |
1466 | // | |
1467 | // Set current track number | |
1468 | // | |
33c3c91a | 1469 | AliRunLoader * runloader = AliRunLoader::Instance(); |
5d12ce38 | 1470 | if (runloader) |
1471 | if (runloader->Stack()) | |
1472 | runloader->Stack()->SetCurrentTrack(track); | |
1473 | } | |
1474 | ||
1475 | //_______________________________________________________________________ | |
9ac3aec9 | 1476 | AliTrackReference* AliMC::AddTrackReference(Int_t label, Int_t id) |
1477 | { | |
5d12ce38 | 1478 | // |
1479 | // add a trackrefernce to the list | |
9ac3aec9 | 1480 | Int_t primary = GetPrimary(label); |
1481 | Particle(primary)->SetBit(kKeepBit); | |
1482 | ||
fd650020 | 1483 | Int_t nref = fTmpTrackReferences.GetEntriesFast(); |
1484 | return new(fTmpTrackReferences[nref]) AliTrackReference(label, id); | |
5d12ce38 | 1485 | } |
1486 | ||
1487 | ||
1488 | ||
1489 | //_______________________________________________________________________ | |
1490 | void AliMC::ResetTrackReferences() | |
1491 | { | |
1492 | // | |
1493 | // Reset all references | |
1494 | // | |
fd650020 | 1495 | fTmpTrackReferences.Clear(); |
5d12ce38 | 1496 | } |
1497 | ||
dde0a601 | 1498 | //_______________________________________________________________________ |
6da30991 | 1499 | void AliMC::RemapTrackReferencesIDs(const Int_t *map) |
5d12ce38 | 1500 | { |
1501 | // | |
1502 | // Remapping track reference | |
1503 | // Called at finish primary | |
1504 | // | |
fd650020 | 1505 | |
1506 | Int_t nEntries = fTmpTrackReferences.GetEntries(); | |
4e490a96 | 1507 | for (Int_t i=0; i < nEntries; i++){ |
fd650020 | 1508 | AliTrackReference * ref = dynamic_cast<AliTrackReference*>(fTmpTrackReferences.UncheckedAt(i)); |
4e490a96 | 1509 | if (ref) { |
1510 | Int_t newID = map[ref->GetTrack()]; | |
1511 | if (newID>=0) ref->SetTrack(newID); | |
1512 | else { | |
1513 | ref->SetBit(kNotDeleted,kFALSE); | |
fd650020 | 1514 | fTmpTrackReferences.RemoveAt(i); |
4e490a96 | 1515 | } |
1516 | } // if ref | |
5d12ce38 | 1517 | } |
fd650020 | 1518 | fTmpTrackReferences.Compress(); |
5d12ce38 | 1519 | } |
0561efeb | 1520 | |
dde0a601 | 1521 | //_______________________________________________________________________ |
0561efeb | 1522 | void AliMC::FixParticleDecaytime() |
1523 | { | |
1524 | // | |
1525 | // Fix the particle decay time according to rmin and rmax for decays | |
1526 | // | |
1527 | ||
1528 | TLorentzVector p; | |
2942f542 | 1529 | TVirtualMC::GetMC()->TrackMomentum(p); |
0561efeb | 1530 | Double_t tmin, tmax; |
1531 | Double_t b; | |
1532 | ||
1533 | // Transverse velocity | |
1534 | Double_t vt = p.Pt() / p.E(); | |
1535 | ||
f7a1cc68 | 1536 | if ((b = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->SolenoidField()) > 0.) { // [kG] |
0561efeb | 1537 | |
1538 | // Radius of helix | |
1539 | ||
1540 | Double_t rho = p.Pt() / 0.0003 / b; // [cm] | |
1541 | ||
1542 | // Revolution frequency | |
1543 | ||
1544 | Double_t omega = vt / rho; | |
1545 | ||
1546 | // Maximum and minimum decay time | |
1547 | // | |
1548 | // Check for curlers first | |
bfd20868 | 1549 | const Double_t kOvRhoSqr2 = 1./(rho*TMath::Sqrt(2.)); |
1550 | if (fRDecayMax * kOvRhoSqr2 > 1.) return; | |
0561efeb | 1551 | |
1552 | // | |
1553 | ||
bfd20868 | 1554 | tmax = TMath::ACos((1.-fRDecayMax*kOvRhoSqr2)*(1.+fRDecayMax*kOvRhoSqr2)) / omega; // [ct] |
ec29d701 | 1555 | tmin = TMath::ACos((1.-fRDecayMin*kOvRhoSqr2)*(1.+fRDecayMin*kOvRhoSqr2)) / omega; // [ct] |
0561efeb | 1556 | } else { |
1557 | tmax = fRDecayMax / vt; // [ct] | |
1558 | tmin = fRDecayMin / vt; // [ct] | |
1559 | } | |
1560 | ||
1561 | // | |
1562 | // Dial t using the two limits | |
1563 | Double_t t = tmin + (tmax - tmin) * gRandom->Rndm(); // [ct] | |
1564 | // | |
1565 | // | |
1566 | // Force decay time in transport code | |
1567 | // | |
2942f542 | 1568 | TVirtualMC::GetMC()->ForceDecayTime(t / 2.99792458e10); |
0561efeb | 1569 | } |
3cac0921 | 1570 | |
1571 | void AliMC::MakeTmpTrackRefsTree() | |
1572 | { | |
1573 | // Make the temporary track reference tree | |
1574 | fTmpFileTR = new TFile("TrackRefsTmp.root", "recreate"); | |
1575 | fTmpTreeTR = new TTree("TreeTR", "Track References"); | |
fd650020 | 1576 | TClonesArray* pRef = &fTmpTrackReferences; |
fda9d714 | 1577 | fTmpTreeTR->Branch("TrackReferences", &pRef, 4000); |
3cac0921 | 1578 | } |
1579 | ||
dde0a601 | 1580 | //_______________________________________________________________________ |
3cac0921 | 1581 | void AliMC::ReorderAndExpandTreeTR() |
1582 | { | |
1583 | // | |
1584 | // Reorder and expand the temporary track reference tree in order to match the kinematics tree | |
1585 | // | |
1586 | ||
33c3c91a | 1587 | AliRunLoader *rl = AliRunLoader::Instance(); |
3cac0921 | 1588 | // |
1589 | // TreeTR | |
1590 | AliDebug(1, "fRunLoader->MakeTrackRefsContainer()"); | |
1591 | rl->MakeTrackRefsContainer(); | |
1592 | TTree * treeTR = rl->TreeTR(); | |
3cac0921 | 1593 | // make branch for central track references |
fd650020 | 1594 | TClonesArray* pRef = &fTrackReferences; |
7275b148 | 1595 | treeTR->Branch("TrackReferences", &pRef); |
3cac0921 | 1596 | |
1597 | AliStack* stack = rl->Stack(); | |
1598 | Int_t np = stack->GetNprimary(); | |
1599 | Int_t nt = fTmpTreeTR->GetEntries(); | |
3cac0921 | 1600 | // |
1601 | // Loop over tracks and find the secondaries with the help of the kine tree | |
5ce21fc4 | 1602 | Int_t ifills = 0; |
1603 | Int_t it = 0; | |
1604 | for (Int_t ip = np - 1; ip > -1; ip--) { | |
1605 | TParticle *part = stack->Particle(ip); | |
5a9cf418 | 1606 | //printf("Particle %5d %5d %5d %5d %5d \n", ip, part->GetPdgCode(), part->GetFirstMother(), part->GetFirstDaughter(), part->GetLastDaughter()); |
2c4e7c77 | 1607 | |
5ce21fc4 | 1608 | // Skip primaries that have not been transported |
3cac0921 | 1609 | Int_t dau1 = part->GetFirstDaughter(); |
1610 | Int_t dau2 = -1; | |
f4414561 | 1611 | if (!part->TestBit(kTransportBit)) continue; |
5ce21fc4 | 1612 | // |
1613 | fTmpTreeTR->GetEntry(it++); | |
fd650020 | 1614 | Int_t nh = fTmpTrackReferences.GetEntries(); |
5ce21fc4 | 1615 | // Determine range of secondaries produced by this primary |
3cac0921 | 1616 | if (dau1 > -1) { |
5ce21fc4 | 1617 | Int_t inext = ip - 1; |
3cac0921 | 1618 | while (dau2 < 0) { |
1619 | if (inext >= 0) { | |
1620 | part = stack->Particle(inext); | |
5ce21fc4 | 1621 | dau2 = part->GetFirstDaughter(); |
5a9cf418 | 1622 | if (!(part->TestBit(kTransportBit)) || dau2 == -1 || dau2 < np) { |
1623 | // if (dau2 == -1 || dau2 < np) { | |
5ce21fc4 | 1624 | dau2 = -1; |
1625 | } else { | |
1626 | dau2--; | |
1627 | } | |
3cac0921 | 1628 | } else { |
1629 | dau2 = stack->GetNtrack() - 1; | |
1630 | } | |
1631 | inext--; | |
5ce21fc4 | 1632 | } // find upper bound |
1633 | } // dau2 < 0 | |
2c4e7c77 | 1634 | // printf("Check (1) %5d %5d %5d %5d %5d \n", ip, np, it, dau1, dau2); |
3cac0921 | 1635 | // |
1636 | // Loop over reference hits and find secondary label | |
1637 | for (Int_t id = dau1; (id <= dau2) && (dau1 > -1); id++) { | |
1638 | for (Int_t ih = 0; ih < nh; ih++) { | |
fd650020 | 1639 | AliTrackReference* tr = (AliTrackReference*) fTmpTrackReferences.At(ih); |
3cac0921 | 1640 | Int_t label = tr->Label(); |
5ce21fc4 | 1641 | // Skip primaries |
1642 | if (label == ip) continue; | |
2c4e7c77 | 1643 | if (label > dau2 || label < dau1) |
1644 | AliWarning(Form("Track Reference Label out of range !: %5d %5d %5d \n", label, dau1, dau2)); | |
3cac0921 | 1645 | if (label == id) { |
1646 | // secondary found | |
fd650020 | 1647 | Int_t nref = fTrackReferences.GetEntriesFast(); |
1648 | new(fTrackReferences[nref]) AliTrackReference(*tr); | |
3cac0921 | 1649 | } |
1650 | } // hits | |
1651 | treeTR->Fill(); | |
fd650020 | 1652 | fTrackReferences.Clear(); |
5ce21fc4 | 1653 | ifills++; |
3cac0921 | 1654 | } // daughters |
1655 | } // tracks | |
3cac0921 | 1656 | // |
1657 | // Now loop again and write the primaries | |
5ce21fc4 | 1658 | it = nt - 1; |
1659 | for (Int_t ip = 0; ip < np; ip++) { | |
1660 | TParticle* part = stack->Particle(ip); | |
f4414561 | 1661 | // if ((part->GetFirstDaughter() == -1 && part->GetStatusCode() <= 1) || part->GetFirstDaughter() >= np) |
c226988d | 1662 | if (part->TestBit(kTransportBit)) |
f4414561 | 1663 | { |
5ce21fc4 | 1664 | // Skip particles that have not been transported |
1665 | fTmpTreeTR->GetEntry(it--); | |
fd650020 | 1666 | Int_t nh = fTmpTrackReferences.GetEntries(); |
5ce21fc4 | 1667 | // |
1668 | // Loop over reference hits and find primary labels | |
1669 | for (Int_t ih = 0; ih < nh; ih++) { | |
fd650020 | 1670 | AliTrackReference* tr = (AliTrackReference*) fTmpTrackReferences.At(ih); |
5ce21fc4 | 1671 | Int_t label = tr->Label(); |
1672 | if (label == ip) { | |
fd650020 | 1673 | Int_t nref = fTrackReferences.GetEntriesFast(); |
1674 | new(fTrackReferences[nref]) AliTrackReference(*tr); | |
5ce21fc4 | 1675 | } |
1676 | } | |
3cac0921 | 1677 | } |
1678 | treeTR->Fill(); | |
fd650020 | 1679 | fTrackReferences.Clear(); |
5ce21fc4 | 1680 | ifills++; |
3cac0921 | 1681 | } // tracks |
5ce21fc4 | 1682 | // Check |
1683 | if (ifills != stack->GetNtrack()) | |
1684 | AliWarning(Form("Number of entries in TreeTR (%5d) unequal to TreeK (%5d) \n", ifills, stack->GetNtrack())); | |
3cac0921 | 1685 | // |
1686 | // Clean-up | |
1687 | delete fTmpTreeTR; | |
1688 | fTmpFileTR->Close(); | |
1689 | delete fTmpFileTR; | |
fd650020 | 1690 | fTmpTrackReferences.Clear(); |
3cac0921 | 1691 | gSystem->Exec("rm -rf TrackRefsTmp.root"); |
1692 | } | |
1693 |