ce812f4f |
1 | // One can use the configuration macro in compiled mode by |
2 | // root [0] gSystem->Load("libgeant321"); |
3 | // root [0] gSystem->SetIncludePath("-I$ROOTSYS/include -I$ALICE_ROOT/include\ |
4 | // -I$ALICE_ROOT -I$ALICE/geant3/TGeant3"); |
5 | // root [0] .x grun.C(1,"Config.C++") |
6 | |
7 | #if !defined(__CINT__) || defined(__MAKECINT__) |
8 | #include <Riostream.h> |
9 | #include <TPDGCode.h> |
10 | #include <TRandom.h> |
11 | #include <TSystem.h> |
12 | #include <TVirtualMC.h> |
13 | #include <TGeant3TGeo.h> |
14 | #include "STEER/AliRunLoader.h" |
15 | #include "STEER/AliRun.h" |
16 | #include "STEER/AliConfig.h" |
17 | #include "PYTHIA6/AliDecayerPythia.h" |
18 | #include "EVGEN/AliGenCocktail.h" |
19 | #include "EVGEN/AliGenHIJINGpara.h" |
20 | #include "STEER/AliMagF.h" |
21 | #include "STRUCT/AliBODY.h" |
22 | #include "STRUCT/AliMAG.h" |
23 | #include "STRUCT/AliABSOv3.h" |
24 | #include "STRUCT/AliDIPOv3.h" |
25 | #include "STRUCT/AliHALLv3.h" |
26 | #include "STRUCT/AliFRAMEv2.h" |
27 | #include "STRUCT/AliSHILv3.h" |
28 | #include "STRUCT/AliPIPEv3.h" |
29 | #include "ITS/AliITSv11Hybrid.h" |
30 | #include "TPC/AliTPCv2.h" |
31 | #include "TOF/AliTOFv6T0.h" |
32 | #include "HMPID/AliHMPIDv3.h" |
33 | #include "ZDC/AliZDCv3.h" |
34 | #include "TRD/AliTRDv1.h" |
35 | #include "FMD/AliFMDv1.h" |
36 | #include "MUON/AliMUONv1.h" |
37 | #include "PHOS/AliPHOSv1.h" |
38 | #include "PMD/AliPMDv1.h" |
39 | #include "T0/AliT0v1.h" |
40 | #include "EMCAL/AliEMCALv2.h" |
41 | #include "ACORDE/AliACORDEv1.h" |
42 | #include "VZERO/AliVZEROv7.h" |
43 | #endif |
44 | |
45 | //--- Functions --- |
46 | void ProcessEnvironmentVars(); |
47 | Float_t EtaToTheta(Float_t arg); |
48 | void LoadPythia(); |
49 | |
50 | //--- Trigger config --- |
51 | enum TrigConf_t |
52 | { |
53 | kDefaultPPTrig, kDefaultPbPbTrig |
54 | }; |
55 | const char * TrigConfName[] = { |
56 | "p-p","Pb-Pb" |
57 | }; |
58 | |
59 | // This part for configuration |
60 | static AliMagF::BMap_t mag = AliMagF::k5kG; |
61 | static TrigConf_t trig = kDefaultPbPbTrig; // default pp trigger configuration |
62 | static Int_t runNumber = 0; |
63 | static Int_t eventNumber = 0; |
64 | |
65 | //========================// |
66 | // Set Random Number seed // |
67 | //========================// |
68 | TDatime dt; |
69 | static UInt_t seed = dt.Get(); |
70 | static Int_t runNumber= 0; |
71 | static Float_t bMin = 0.; |
72 | static Float_t bMax = 5.; |
73 | static UInt_t quench = 1; |
74 | static UInt_t shad = 1; |
75 | static Float_t etaMin = -8.0; |
76 | static Float_t etaMax = 8.0; |
77 | static Float_t phiMin = 0.; |
78 | static Float_t phiMax = 360.; |
79 | static TString comment; |
80 | |
81 | void Config() |
82 | { |
83 | // ThetaRange is (0., 180.). It was (0.28,179.72) 7/12/00 09:00 |
84 | // Theta range given through pseudorapidity limits 22/6/2001 |
85 | |
86 | // Set Random Number seed |
87 | //gRandom->SetSeed(123456); // Set 0 to use the current time |
88 | |
89 | AliLog::Message(AliLog::kInfo, Form("Seed for random number generation = %d",gRandom->GetSeed()), "Config.C", "Config.C", "Config()","Config.C", __LINE__); |
90 | |
91 | // Get settings from environment variables |
92 | ProcessEnvironmentVars(); |
93 | |
94 | // Load Pythia libraries |
95 | LoadPythia(); |
96 | // Libraries required by geant321 |
97 | #if defined(__CINT__) |
98 | gSystem->Load("libgeant321"); |
99 | #endif |
100 | |
101 | new TGeant3TGeo("C++ Interface to Geant3"); |
102 | |
103 | // Output every 100 tracks |
104 | ((TGeant3*)gMC)->SetSWIT(4,100); |
105 | |
106 | AliRunLoader* rl=0x0; |
107 | |
108 | AliLog::Message(AliLog::kInfo, "Creating Run Loader", "Config.C", "Config.C", "Config()"," Config.C", __LINE__); |
109 | |
110 | rl = AliRunLoader::Open("galice.root", |
111 | AliConfig::GetDefaultEventFolderName(), |
112 | "recreate"); |
113 | if (rl == 0x0) |
114 | { |
115 | gAlice->Fatal("Config.C","Can not instatiate the Run Loader"); |
116 | return; |
117 | } |
118 | rl->SetCompressionLevel(2); |
119 | rl->SetNumberOfEventsPerFile(2); |
120 | gAlice->SetRunLoader(rl); |
121 | |
122 | // gAlice->SetGeometryFromFile("geometry.root"); |
123 | |
124 | // Uncomment if you want to load geometry from OCDB! >>>> |
125 | /* |
126 | if(!AliCDBManager::Instance()->IsDefaultStorageSet()){ |
127 | cout << "#####################################################" << endl; |
128 | cout << "# #" << endl; |
129 | cout << "# WARNING: CDB DEFAULT STORAGE NOT SET !!! #" << endl; |
130 | cout << "# SETTING IT TO local://$ALICE_ROOT !!! #" << endl; |
131 | cout << "# #" << endl; |
132 | cout << "#####################################################" << endl; |
133 | |
134 | AliCDBManager::Instance()->SetDefaultStorage("local://$ALICE_ROOT"); |
135 | } |
136 | |
137 | if(AliCDBManager::Instance()->GetRun() < 0){ |
138 | cout << "#####################################################" << endl; |
139 | cout << "# #" << endl; |
140 | cout << "# WARNING: RUN NUMBER NOT SET !!! #" << endl; |
141 | cout << "# SETTING IT TO 0 !!! #" << endl; |
142 | cout << "# #" << endl; |
143 | cout << "#####################################################" << endl; |
144 | |
145 | AliCDBManager::Instance()->SetRun(0); |
146 | } |
147 | gAlice->SetGeometryFromCDB(); |
148 | */ |
149 | // Uncomment if you want to load geometry from OCDB! <<<< |
150 | |
151 | // Set the trigger configuration |
152 | gAlice->SetTriggerDescriptor(TrigConfName[trig]); |
153 | cout<<"Trigger configuration is set to "<<TrigConfName[trig]<<endl; |
154 | |
155 | |
156 | // |
157 | // Set External decayer |
158 | TVirtualMCDecayer *decayer = new AliDecayerPythia(); |
159 | |
160 | decayer->SetForceDecay(kAll); |
161 | decayer->Init(); |
162 | gMC->SetExternalDecayer(decayer); |
163 | //======================================================================= |
164 | // ************* STEERING parameters FOR ALICE SIMULATION ************** |
165 | // --- Specify event type to be tracked through the ALICE setup |
166 | // --- All positions are in cm, angles in degrees, and P and E in GeV |
167 | |
168 | |
169 | gMC->SetProcess("DCAY",1); |
170 | gMC->SetProcess("PAIR",1); |
171 | gMC->SetProcess("COMP",1); |
172 | gMC->SetProcess("PHOT",1); |
173 | gMC->SetProcess("PFIS",0); |
174 | gMC->SetProcess("DRAY",0); |
175 | gMC->SetProcess("ANNI",1); |
176 | gMC->SetProcess("BREM",1); |
177 | gMC->SetProcess("MUNU",1); |
178 | gMC->SetProcess("CKOV",1); |
179 | gMC->SetProcess("HADR",1); |
180 | gMC->SetProcess("LOSS",2); |
181 | gMC->SetProcess("MULS",1); |
182 | gMC->SetProcess("RAYL",1); |
183 | |
184 | Float_t cut = 1.e-3; // 1MeV cut by default |
185 | Float_t tofmax = 1.e10; |
186 | |
187 | gMC->SetCut("CUTGAM", cut); |
188 | gMC->SetCut("CUTELE", cut); |
189 | gMC->SetCut("CUTNEU", cut); |
190 | gMC->SetCut("CUTHAD", cut); |
191 | gMC->SetCut("CUTMUO", cut); |
192 | gMC->SetCut("BCUTE", cut); |
193 | gMC->SetCut("BCUTM", cut); |
194 | gMC->SetCut("DCUTE", cut); |
195 | gMC->SetCut("DCUTM", cut); |
196 | gMC->SetCut("PPCUTM", cut); |
197 | gMC->SetCut("TOFMAX", tofmax); |
198 | |
199 | |
200 | AliGenHijing *gener = new AliGenHijing(-1); |
201 | // centre of mass energy |
202 | gener->SetEnergyCMS(5500); |
203 | // reference frame |
204 | gener->SetReferenceFrame("CMS "); |
205 | // projectile |
206 | gener->SetProjectile("A ", 208, 82); |
207 | gener->SetTarget ("A ", 208, 82); |
208 | // impact parameter range |
209 | gener->SetImpactParameterRange(bMin, bMax); // bMin = 0 - bMax = 3 |
210 | // evaluate cross section before run |
211 | gener->SetEvaluate(0); |
212 | // tell hijing to keep the full parent child chain |
213 | gener->KeepFullEvent(); |
214 | // enable jet quenching |
215 | gener->SetJetQuenching(quench); // 1 |
216 | // enable shadowing |
217 | gener->SetShadowing(shad); // 1 |
218 | // neutral pion and heavy particle decays switched off |
219 | gener->SetDecaysOff(1); |
220 | // Don't track spectators |
221 | gener->SetSpectators(0); |
222 | // trigger |
223 | // gener->SetTrigger(0); |
224 | // kinematic selection |
225 | gener->SetSelectAll(0); |
226 | // momentum range |
227 | gener->SetMomentumRange(0,999); |
228 | // No resytriction on phi, theta |
229 | Float_t thmin = EtaToTheta(etaMax); // Theta min <---> eta max 2. |
230 | Float_t thmax = EtaToTheta(etaMin); // Theta max <---> eta min -2. |
231 | gener->SetPhiRange(phiMin, phiMax); // 0 - 360 |
232 | gener->SetThetaRange(thmin,thmax); |
233 | // PRIMARY VERTEX |
234 | gener->SetOrigin(0, 0, 0); //vertex position |
235 | // gener->SetSigma(0, 0, 5.3); //Sigma in (X,Y,Z) (cm) on IP position |
236 | // gener->SetCutVertexZ(3.); // Truncate at 3 sigma |
237 | // gener->SetVertexSmear(kPerEvent); |
238 | |
239 | // Size of the interaction diamond |
240 | // Longitudinal |
241 | Float_t sigmaz = 7.55 / TMath::Sqrt(2.); // [cm] |
242 | // Transverse |
243 | Float_t betast = 10; // beta* [m] |
244 | Float_t eps = 3.75e-6; // emittance [m] |
245 | // Float_t gamma = 7000. / 0.938272; // relativistic gamma [1] |
246 | Float_t gamma = 2750. / 0.938272; // relativistic gamma [1] |
247 | Float_t sigmaxy = TMath::Sqrt(eps * betast / gamma) / TMath::Sqrt(2.) * 100.; // [cm] |
248 | printf("\n \n Diamond size x-y: %10.3e z: %10.3e\n \n", sigmaxy, sigmaz); |
249 | |
250 | gener->SetSigma(sigmaxy, sigmaxy, sigmaz); // Sigma in (X,Y,Z) (cm) on IP position |
251 | gener->SetCutVertexZ(3.); // Truncate at 3 sigma |
252 | gener->SetVertexSmear(kPerEvent); |
253 | |
254 | // |
255 | // Activate this line if you want the vertex smearing to happen |
256 | // track by track |
257 | // |
258 | //gener->SetVertexSmear(perTrack); |
259 | |
260 | gener->Init(); |
261 | |
262 | // Field (L3 0.5 T) |
263 | TGeoGlobalMagField::Instance()->SetField(new AliMagF("Maps","Maps", 2, 1., 10., mag)); |
264 | |
265 | Int_t iABSO = 1; |
266 | Int_t iDIPO = 1; |
267 | Int_t iFMD = 1; |
268 | Int_t iFRAME = 1; |
269 | Int_t iHALL = 1; |
270 | Int_t iITS = 1; |
271 | Int_t iMAG = 1; |
272 | Int_t iMUON = 1; |
273 | Int_t iPHOS = 1; |
274 | Int_t iPIPE = 1; |
275 | Int_t iPMD = 1; |
276 | Int_t iHMPID = 1; |
277 | Int_t iSHIL = 1; |
278 | Int_t iT0 = 1; |
279 | Int_t iTOF = 1; |
280 | Int_t iTPC = 1; |
281 | Int_t iTRD = 1; |
282 | Int_t iZDC = 1; |
283 | Int_t iEMCAL = 1; |
284 | Int_t iACORDE = 1; |
285 | Int_t iVZERO = 1; |
286 | rl->CdGAFile(); |
287 | //=================== Alice BODY parameters ============================= |
288 | AliBODY *BODY = new AliBODY("BODY", "Alice envelop"); |
289 | |
290 | if (iMAG) |
291 | { |
292 | //=================== MAG parameters ============================ |
293 | // --- Start with Magnet since detector layouts may be depending --- |
294 | // --- on the selected Magnet dimensions --- |
295 | AliMAG *MAG = new AliMAG("MAG", "Magnet"); |
296 | } |
297 | |
298 | |
299 | if (iABSO) |
300 | { |
301 | //=================== ABSO parameters ============================ |
302 | AliABSO *ABSO = new AliABSOv3("ABSO", "Muon Absorber"); |
303 | } |
304 | |
305 | if (iDIPO) |
306 | { |
307 | //=================== DIPO parameters ============================ |
308 | |
309 | AliDIPO *DIPO = new AliDIPOv3("DIPO", "Dipole version 3"); |
310 | } |
311 | |
312 | if (iHALL) |
313 | { |
314 | //=================== HALL parameters ============================ |
315 | |
316 | AliHALL *HALL = new AliHALLv3("HALL", "Alice Hall"); |
317 | } |
318 | |
319 | |
320 | if (iFRAME) |
321 | { |
322 | //=================== FRAME parameters ============================ |
323 | |
324 | AliFRAMEv2 *FRAME = new AliFRAMEv2("FRAME", "Space Frame"); |
325 | FRAME->SetHoles(1); |
326 | } |
327 | |
328 | if (iSHIL) |
329 | { |
330 | //=================== SHIL parameters ============================ |
331 | |
332 | AliSHIL *SHIL = new AliSHILv3("SHIL", "Shielding Version 3"); |
333 | } |
334 | |
335 | |
336 | if (iPIPE) |
337 | { |
338 | //=================== PIPE parameters ============================ |
339 | |
340 | AliPIPE *PIPE = new AliPIPEv3("PIPE", "Beam Pipe"); |
341 | } |
342 | |
343 | if (iITS) |
344 | { |
345 | //=================== ITS parameters ============================ |
346 | |
347 | AliITS *ITS = new AliITSv11Hybrid("ITS","ITS v11Hybrid"); |
348 | } |
349 | |
350 | if (iTPC) |
351 | { |
352 | //============================ TPC parameters =================== |
353 | AliTPC *TPC = new AliTPCv2("TPC", "Default"); |
354 | } |
355 | |
356 | |
357 | if (iTOF) { |
358 | //=================== TOF parameters ============================ |
359 | AliTOF *TOF = new AliTOFv6T0("TOF", "normal TOF"); |
360 | } |
361 | |
362 | |
363 | if (iHMPID) |
364 | { |
365 | //=================== HMPID parameters =========================== |
366 | AliHMPID *HMPID = new AliHMPIDv3("HMPID", "normal HMPID"); |
367 | |
368 | } |
369 | |
370 | |
371 | if (iZDC) |
372 | { |
373 | //=================== ZDC parameters ============================ |
374 | |
375 | AliZDC *ZDC = new AliZDCv3("ZDC", "normal ZDC"); |
376 | } |
377 | |
378 | if (iTRD) |
379 | { |
380 | //=================== TRD parameters ============================ |
381 | |
382 | AliTRD *TRD = new AliTRDv1("TRD", "TRD slow simulator"); |
383 | } |
384 | |
385 | if (iFMD) |
386 | { |
387 | //=================== FMD parameters ============================ |
388 | AliFMD *FMD = new AliFMDv1("FMD", "normal FMD"); |
389 | } |
390 | |
391 | if (iMUON) |
392 | { |
393 | //=================== MUON parameters =========================== |
394 | // New MUONv1 version (geometry defined via builders) |
395 | AliMUON *MUON = new AliMUONv1("MUON", "default"); |
396 | } |
397 | //=================== PHOS parameters =========================== |
398 | |
399 | if (iPHOS) |
400 | { |
401 | AliPHOS *PHOS = new AliPHOSv1("PHOS", "IHEP"); |
402 | } |
403 | |
404 | |
405 | if (iPMD) |
406 | { |
407 | //=================== PMD parameters ============================ |
408 | AliPMD *PMD = new AliPMDv1("PMD", "normal PMD"); |
409 | } |
410 | |
411 | if (iT0) |
412 | { |
413 | //=================== T0 parameters ============================ |
414 | AliT0 *T0 = new AliT0v1("T0", "T0 Detector"); |
415 | } |
416 | |
417 | if (iEMCAL) |
418 | { |
419 | //=================== EMCAL parameters ============================ |
420 | AliEMCAL *EMCAL = new AliEMCALv2("EMCAL", "EMCAL_COMPLETE"); |
421 | } |
422 | |
423 | if (iACORDE) |
424 | { |
425 | //=================== ACORDE parameters ============================ |
426 | AliACORDE *ACORDE = new AliACORDEv1("ACORDE", "normal ACORDE"); |
427 | } |
428 | |
429 | if (iVZERO) |
430 | { |
431 | //=================== VZERO parameters ============================ |
432 | AliVZERO *VZERO = new AliVZEROv7("VZERO", "normal VZERO"); |
433 | } |
434 | |
435 | AliLog::Message(AliLog::kInfo, "End of Config", "Config.C", "Config.C", "Config()"," Config.C", __LINE__); |
436 | |
437 | } |
438 | |
439 | Float_t EtaToTheta(Float_t arg){ |
440 | return (180./TMath::Pi())*2.*atan(exp(-arg)); |
441 | } |
442 | |
443 | void ProcessEnvironmentVars() |
444 | { |
445 | cout << "Processing environment variables" << endl; |
446 | // Random Number seed |
447 | if (gSystem->Getenv("CONFIG_SEED")) { |
448 | seed = atoi(gSystem->Getenv("CONFIG_SEED")); |
449 | } |
450 | |
451 | gRandom->SetSeed(seed); |
452 | cout<<"Seed for random number generation= "<<seed<<endl; |
453 | |
454 | // Run Number |
455 | if (gSystem->Getenv("DC_RUN")) { |
456 | runNumber = atoi(gSystem->Getenv("DC_RUN")); |
457 | } |
458 | cout<<"Run number "<<runNumber<<endl; |
459 | |
460 | // Impact param |
461 | if (gSystem->Getenv("CONFIG_BMIN")) { |
462 | bMin = atof(gSystem->Getenv("CONFIG_BMIN")); |
463 | } |
464 | |
465 | if (gSystem->Getenv("CONFIG_BMAX")) { |
466 | bMax = atof(gSystem->Getenv("CONFIG_BMAX")); |
467 | } |
468 | cout<<"Impact parameter in ["<<bMin<<","<<bMax<<"]"<<endl; |
469 | |
470 | // Quenching scenario |
471 | if (gSystem->Getenv("QUENCH")) { |
472 | quench = atoi(gSystem->Getenv("QUENCH")); |
473 | } |
474 | if(quench==1) cout<<"With quenching "<<endl; |
475 | else cout<<"Without quenching "<<endl; |
476 | |
477 | // Quenching scenario |
478 | if (gSystem->Getenv("QHAT")) { |
479 | shad = atoi(gSystem->Getenv("QHAT")); |
480 | } |
481 | if(shad==1) cout<<"With shadowing "<<endl; |
482 | else cout<<"Without shadowing "<<endl; |
483 | |
484 | // Acceptance param |
485 | if (gSystem->Getenv("CONFIG_ETAMIN")) { |
486 | etaMin = atof(gSystem->Getenv("CONFIG_ETAMIN")); |
487 | } |
488 | |
489 | if (gSystem->Getenv("CONFIG_ETAMAX")) { |
490 | etaMax = atof(gSystem->Getenv("CONFIG_ETAMAX")); |
491 | } |
492 | cout<<"Eta acceptance ["<<etaMin<<","<<etaMax<<"]"<<endl; |
493 | |
494 | if (gSystem->Getenv("CONFIG_PHIMIN")) { |
495 | phiMin = atof(gSystem->Getenv("CONFIG_PHIMIN")); |
496 | } |
497 | |
498 | if (gSystem->Getenv("CONFIG_PHIMAX")) { |
499 | phiMax = atof(gSystem->Getenv("CONFIG_PHIMAX")); |
500 | } |
501 | cout<<"Phi acceptance ["<<phiMin<<","<<phiMax<<"]"<<endl; |
502 | |
503 | |
504 | } |
505 | |
506 | void LoadPythia() |
507 | { |
508 | // Load Pythia related libraries |
509 | gSystem->Load("liblhapdf.so"); // Parton density functions |
510 | gSystem->Load("libEGPythia6.so"); // TGenerator interface |
511 | gSystem->Load("libpythia6.so"); // Pythia |
512 | gSystem->Load("libAliPythia6.so"); // ALICE specific implementations |
513 | } |