1 static Int_t eventsPerRun = 100;
6 static PprGeo_t geo = kHoles;
11 // Switch on Transition Radiation simulation. 6/12/00 18:00
12 // iZDC=1 7/12/00 09:00
13 // ThetaRange is (0., 180.). It was (0.28,179.72) 7/12/00 09:00
14 // Theta range given through pseudorapidity limits 22/6/2001
16 // Set Random Number seed
17 // gRandom->SetSeed(12345);
20 // libraries required by geant321
21 gSystem->Load("libgeant321");
23 new TGeant3("C++ Interface to Geant3");
25 if (!gSystem->Getenv("CONFIG_FILE"))
27 cout<<"Config.C: Creating Run Loader ..."<<endl;
28 AliRunLoader* rl = AliRunLoader::Open("galice.root",AliConfig::fgkDefaultEventFolderName,
32 gAlice->Fatal("Config.C","Can not instatiate the Run Loader");
35 rl->SetCompressionLevel(2);
36 rl->SetNumberOfEventsPerFile(3);
37 gAlice->SetRunLoader(rl);
40 TGeant3 *geant3 = (TGeant3 *) gMC;
43 // Set External decayer
44 TVirtualMCDecayer *decayer = new AliDecayerPythia();
46 decayer->SetForceDecay(kAll);
48 gMC->SetExternalDecayer(decayer);
51 //=======================================================================
52 // ******* GEANT STEERING parameters FOR ALICE SIMULATION *******
53 geant3->SetTRIG(1); //Number of events to be processed
54 geant3->SetSWIT(4, 10);
55 geant3->SetDEBU(0, 0, 1);
56 //geant3->SetSWIT(2,2);
67 geant3->SetHADR(1); //Select pure GEANH (HADR 1) or GEANH/NUCRIN (HADR 3)
71 geant3->SetAUTO(1); //Select automatic STMIN etc... calc. (AUTO 1) or manual (AUTO 0)
72 geant3->SetABAN(0); //Restore 3.16 behaviour for abandoned tracks
73 geant3->SetOPTI(2); //Select optimisation level for GEANT geometry searches (0,1,2)
74 geant3->SetERAN(5.e-7);
76 Float_t cut = 1.e-3; // 1MeV cut by default
77 Float_t tofmax = 1.e10;
79 // GAM ELEC NHAD CHAD MUON EBREM MUHAB EDEL MUDEL MUPA TOFMAX
80 geant3->SetCUTS(cut, cut, cut, cut, cut, cut, cut, cut, cut, cut,
83 //=======================================================================
84 // ************* STEERING parameters FOR ALICE SIMULATION **************
85 // --- Specify event type to be tracked through the ALICE setup
86 // --- All positions are in cm, angles in degrees, and P and E in GeV
87 if (gSystem->Getenv("CONFIG_NPARTICLES"))
89 int nParticles = atoi(gSystem->Getenv("CONFIG_NPARTICLES"));
94 AliGenCocktail *gener = new AliGenCocktail();
95 gener->SetPhiRange(220, 320);
96 // Set pseudorapidity range from -8 to 8.
97 Float_t thmin = EtaToTheta(0.12); // theta min. <---> eta max
98 Float_t thmax = EtaToTheta(-0.12); // theta max. <---> eta min
99 gener->SetThetaRange(thmin,thmax);
100 gener->SetOrigin(0, 0, 0); //vertex position
101 gener->SetSigma(0, 0, 0); //Sigma in (X,Y,Z) (cm) on IP position
103 AliGenHIJINGpara *hijingparam = new AliGenHIJINGpara(nParticles);
104 hijingparam->SetMomentumRange(0.2, 999);
105 gener->AddGenerator(hijingparam,"HIJING PARAM",1);
107 // AliGenBox *genbox = new AliGenBox(nParticles);
108 // genbox->SetPart(22);
109 // genbox->SetPtRange(0.3, 10.00);
110 // gener->AddGenerator(genbox,"GENBOX GAMMA for PHOS",1);
115 // Activate this line if you want the vertex smearing to happen
118 //gener->SetVertexSmear(perTrack);
120 AliMagFMaps* field = new AliMagFMaps("Maps","Maps", 2, 1., 10., 1);
121 gAlice->SetField(field);
146 //=================== Alice BODY parameters =============================
147 AliBODY *BODY = new AliBODY("BODY", "Alice envelop");
151 //=================== MAG parameters ============================
152 // --- Start with Magnet since detector layouts may be depending ---
153 // --- on the selected Magnet dimensions ---
154 AliMAG *MAG = new AliMAG("MAG", "Magnet");
160 //=================== ABSO parameters ============================
161 AliABSO *ABSO = new AliABSOv0("ABSO", "Muon Absorber");
166 //=================== DIPO parameters ============================
168 AliDIPO *DIPO = new AliDIPOv2("DIPO", "Dipole version 2");
173 //=================== HALL parameters ============================
175 AliHALL *HALL = new AliHALL("HALL", "Alice Hall");
181 //=================== FRAME parameters ============================
183 AliFRAMEv2 *FRAME = new AliFRAMEv2("FRAME", "Space Frame");
193 //=================== SHIL parameters ============================
195 AliSHIL *SHIL = new AliSHILv2("SHIL", "Shielding Version 2");
201 //=================== PIPE parameters ============================
203 AliPIPE *PIPE = new AliPIPEv0("PIPE", "Beam Pipe");
208 //=================== ITS parameters ============================
210 // As the innermost detector in ALICE, the Inner Tracking System "impacts" on
211 // almost all other detectors. This involves the fact that the ITS geometry
212 // still has several options to be followed in parallel in order to determine
213 // the best set-up which minimizes the induced background. All the geometries
214 // available to date are described in the following. Read carefully the comments
215 // and use the default version (the only one uncommented) unless you are making
216 // comparisons and you know what you are doing. In this case just uncomment the
217 // ITS geometry you want to use and run Aliroot.
219 // Detailed geometries:
222 //AliITS *ITS = new AliITSv5symm("ITS","Updated ITS TDR detailed version with symmetric services");
224 //AliITS *ITS = new AliITSv5asymm("ITS","Updates ITS TDR detailed version with asymmetric services");
226 AliITSvPPRasymm *ITS = new AliITSvPPRasymm("ITS","New ITS PPR detailed version with asymmetric services");
227 ITS->SetMinorVersion(2); // don't touch this parameter if you're not an ITS developer
228 ITS->SetReadDet(kFALSE); // don't touch this parameter if you're not an ITS developer
229 // ITS->SetWriteDet("$ALICE_ROOT/ITS/ITSgeometry_vPPRasymm2.det"); // don't touch this parameter if you're not an ITS developer
230 ITS->SetThicknessDet1(200.); // detector thickness on layer 1 must be in the range [100,300]
231 ITS->SetThicknessDet2(200.); // detector thickness on layer 2 must be in the range [100,300]
232 ITS->SetThicknessChip1(200.); // chip thickness on layer 1 must be in the range [150,300]
233 ITS->SetThicknessChip2(200.); // chip thickness on layer 2 must be in the range [150,300]
234 ITS->SetRails(0); // 1 --> rails in ; 0 --> rails out
235 ITS->SetCoolingFluid(1); // 1 --> water ; 0 --> freon
237 //AliITSvPPRsymm *ITS = new AliITSvPPRsymm("ITS","New ITS PPR detailed version with symmetric services");
238 //ITS->SetMinorVersion(2); // don't touch this parameter if you're not an ITS developer
239 //ITS->SetReadDet(kFALSE); // don't touch this parameter if you're not an ITS developer
240 //ITS->SetWriteDet("$ALICE_ROOT/ITS/ITSgeometry_vPPRsymm2.det"); // don't touch this parameter if you're not an ITS developer
241 //ITS->SetThicknessDet1(200.); // detector thickness on layer 1 must be in the range [100,300]
242 //ITS->SetThicknessDet2(200.); // detector thickness on layer 2 must be in the range [100,300]
243 //ITS->SetThicknessChip1(200.); // chip thickness on layer 1 must be in the range [150,300]
244 //ITS->SetThicknessChip2(200.); // chip thickness on layer 2 must be in the range [150,300]
245 //ITS->SetRails(0); // 1 --> rails in ; 0 --> rails out
246 //ITS->SetCoolingFluid(1); // 1 --> water ; 0 --> freon
249 // Coarse geometries (warning: no hits are produced with these coarse geometries and they unuseful
250 // for reconstruction !):
253 //AliITSvPPRcoarseasymm *ITS = new AliITSvPPRcoarseasymm("ITS","New ITS PPR coarse version with asymmetric services");
254 //ITS->SetRails(0); // 1 --> rails in ; 0 --> rails out
255 //ITS->SetSupportMaterial(0); // 0 --> Copper ; 1 --> Aluminum ; 2 --> Carbon
257 //AliITS *ITS = new AliITSvPPRcoarsesymm("ITS","New ITS PPR coarse version with symmetric services");
258 //ITS->SetRails(0); // 1 --> rails in ; 0 --> rails out
259 //ITS->SetSupportMaterial(0); // 0 --> Copper ; 1 --> Aluminum ; 2 --> Carbon
263 // Geant3 <-> EUCLID conversion
264 // ============================
266 // SetEUCLID is a flag to output (=1) or not to output (=0) both geometry and
267 // media to two ASCII files (called by default ITSgeometry.euc and
268 // ITSgeometry.tme) in a format understandable to the CAD system EUCLID.
269 // The default (=0) means that you dont want to use this facility.
276 //============================ TPC parameters ================================
277 // --- This allows the user to specify sectors for the SLOW (TPC geometry 2)
278 // --- Simulator. SecAL (SecAU) <0 means that ALL lower (upper)
279 // --- sectors are specified, any value other than that requires at least one
280 // --- sector (lower or upper)to be specified!
281 // --- Reminder: sectors 1-24 are lower sectors (1-12 -> z>0, 13-24 -> z<0)
282 // --- sectors 25-72 are the upper ones (25-48 -> z>0, 49-72 -> z<0)
283 // --- SecLows - number of lower sectors specified (up to 6)
284 // --- SecUps - number of upper sectors specified (up to 12)
285 // --- Sens - sensitive strips for the Slow Simulator !!!
286 // --- This does NOT work if all S or L-sectors are specified, i.e.
287 // --- if SecAL or SecAU < 0
290 //-----------------------------------------------------------------------------
292 // gROOT->LoadMacro("SetTPCParam.C");
293 // AliTPCParam *param = SetTPCParam();
294 AliTPC *TPC = new AliTPCv2("TPC", "Default");
296 // All sectors included
304 //=================== TOF parameters ============================
305 AliTOF *TOF = new AliTOFv2FHoles("TOF", "TOF with Holes");
307 AliTOF *TOF = new AliTOFv4T0("TOF", "normal TOF");
314 //=================== RICH parameters ===========================
315 AliRICH *RICH = new AliRICHv3("RICH", "normal RICH");
322 //=================== ZDC parameters ============================
324 AliZDC *ZDC = new AliZDCv2("ZDC", "normal ZDC");
329 //=================== TRD parameters ============================
331 AliTRD *TRD = new AliTRDv1("TRD", "TRD slow simulator");
333 // Select the gas mixture (0: 97% Xe + 3% isobutane, 1: 90% Xe + 10% CO2)
336 // With hole in front of PHOS
338 // With hole in front of RICH
342 AliTRDsim *TRDsim = TRD->CreateTR();
347 //=================== FMD parameters ============================
348 AliFMD *FMD = new AliFMDv1("FMD", "normal FMD");
349 FMD->SetRingsSi1(256);
350 FMD->SetRingsSi2(128);
351 FMD->SetSectorsSi1(20);
352 FMD->SetSectorsSi2(40);
357 //=================== MUON parameters ===========================
359 AliMUON *MUON = new AliMUONv1("MUON", "default");
361 //=================== PHOS parameters ===========================
365 AliPHOS *PHOS = new AliPHOSv1("PHOS", "IHEP");
371 //=================== PMD parameters ============================
372 AliPMD *PMD = new AliPMDv1("PMD", "normal PMD");
377 //=================== START parameters ============================
378 AliSTART *START = new AliSTARTv1("START", "START Detector");
383 //=================== EMCAL parameters ============================
384 AliEMCAL *EMCAL = new AliEMCALv1("EMCAL", "EMCALArch1a");
389 //=================== CRT parameters ============================
390 AliCRT *CRT = new AliCRTv0("CRT", "normal ACORDE");
395 //=================== CRT parameters ============================
396 AliVZERO *VZERO = new AliVZEROv2("VZERO", "normal VZERO");
401 Float_t EtaToTheta(Float_t arg){
402 return (180./TMath::Pi())*2.*atan(exp(-arg));