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++")
7 #if !defined(__CINT__) || defined(__MAKECINT__)
11 #include <TVirtualMC.h>
12 #include <TGeant3TGeo.h>
13 #include "STEER/AliRunLoader.h"
14 #include "STEER/AliRun.h"
15 #include "STEER/AliConfig.h"
16 #include "PYTHIA6/AliDecayerPythia.h"
17 #include "EVGEN/AliGenCocktail.h"
18 #include "EVGEN/AliGenHIJINGpara.h"
19 #include "STEER/AliMagFMaps.h"
20 #include "STRUCT/AliBODY.h"
21 #include "STRUCT/AliMAG.h"
22 #include "STRUCT/AliABSOv0.h"
23 #include "STRUCT/AliDIPOv2.h"
24 #include "STRUCT/AliHALL.h"
25 #include "STRUCT/AliFRAMEv2.h"
26 #include "STRUCT/AliSHILv2.h"
27 #include "STRUCT/AliPIPEv0.h"
28 #include "ITS/AliITSvPPRasymmFMD.h"
29 #include "TPC/AliTPCv2.h"
30 #include "TOF/AliTOFv5T0.h"
31 #include "HMPID/AliHMPIDv1.h"
32 #include "ZDC/AliZDCv2.h"
33 #include "TRD/AliTRDv1.h"
34 #include "FMD/AliFMDv1.h"
35 #include "MUON/AliMUONv1.h"
36 #include "PHOS/AliPHOSv1.h"
37 #include "PMD/AliPMDv1.h"
38 #include "START/AliSTARTv1.h"
39 #include "EMCAL/AliEMCALv2.h"
40 #include "CRT/AliCRTv0.h"
41 #include "VZERO/AliVZEROv7.h"
44 Float_t EtaToTheta(Float_t arg);
48 // ThetaRange is (0., 180.). It was (0.28,179.72) 7/12/00 09:00
49 // Theta range given through pseudorapidity limits 22/6/2001
51 // Set Random Number seed
52 gRandom->SetSeed(123456); // Set 0 to use the currecnt time
53 AliLog::Message(AliLog::kInfo, Form("Seed for random number generation = %d",gRandom->GetSeed()), "Config.C", "Config.C", "Config()","Config.C", __LINE__);
56 // libraries required by geant321
58 gSystem->Load("libgeant321");
59 gSystem->Load("libGed.so");
60 gSystem->Load("libRGL.so");
61 //gSystem->Load("libGeom");
62 //cout << "\t* Loading TFluka..." << endl;
63 //gSystem->Load("libTFluka");
64 cout << "\t* Instantiating TFluka..." << endl;
65 // new TFluka("C++ Interface to Fluka", 0/*verbositylevel*/);
68 new TGeant3TGeo("C++ Interface to Geant3");
72 AliLog::Message(AliLog::kInfo, "Creating Run Loader", "Config.C", "Config.C", "Config()"," Config.C", __LINE__);
74 rl = AliRunLoader::Open("galice.root",
75 AliConfig::GetDefaultEventFolderName(),
79 gAlice->Fatal("Config.C","Can not instatiate the Run Loader");
82 rl->SetCompressionLevel(2);
83 rl->SetNumberOfEventsPerFile(100);
84 gAlice->SetRunLoader(rl);
86 AliCDBManager* man = AliCDBManager::Instance();
87 man->SetDefaultStorage("local://$(ALICE_ROOT)/");
89 // Set the trigger configuration
90 gAlice->SetTriggerDescriptor("Pb-Pb");
91 cout<<"Trigger configuration is set to Pb-Pb"<<endl;
94 // Set External decayer
95 TVirtualMCDecayer *decayer = new AliDecayerPythia();
97 decayer->SetForceDecay(kAll);
99 gMC->SetExternalDecayer(decayer);
100 //=======================================================================
101 // ************* STEERING parameters FOR ALICE SIMULATION **************
102 // --- Specify event type to be tracked through the ALICE setup
103 // --- All positions are in cm, angles in degrees, and P and E in GeV
106 gMC->SetProcess("DCAY",1);
107 gMC->SetProcess("PAIR",1);
108 gMC->SetProcess("COMP",1);
109 gMC->SetProcess("PHOT",1);
110 gMC->SetProcess("PFIS",0);
111 gMC->SetProcess("DRAY",0);
112 gMC->SetProcess("ANNI",1);
113 gMC->SetProcess("BREM",1);
114 gMC->SetProcess("MUNU",1);
115 gMC->SetProcess("CKOV",1);
116 gMC->SetProcess("HADR",1);
117 gMC->SetProcess("LOSS",2);
118 gMC->SetProcess("MULS",1);
119 gMC->SetProcess("RAYL",1);
121 Float_t cut = 1.e-3; // 1MeV cut by default
122 Float_t tofmax = 1.e10;
124 gMC->SetCut("CUTGAM", cut);
125 gMC->SetCut("CUTELE", cut);
126 gMC->SetCut("CUTNEU", cut);
127 gMC->SetCut("CUTHAD", cut);
128 gMC->SetCut("CUTMUO", cut);
129 gMC->SetCut("BCUTE", cut);
130 gMC->SetCut("BCUTM", cut);
131 gMC->SetCut("DCUTE", cut);
132 gMC->SetCut("DCUTM", cut);
133 gMC->SetCut("PPCUTM", cut);
134 gMC->SetCut("TOFMAX", tofmax);
137 int nParticles = 1000;
138 if (gSystem->Getenv("CONFIG_NPARTICLES"))
140 nParticles = atoi(gSystem->Getenv("CONFIG_NPARTICLES"));
144 AliGenPythia *gener = new AliGenPythia(-1);
145 gener->SetProcess(kPyMb);
146 gener->SetEnergyCMS(14000);
151 // Activate this line if you want the vertex smearing to happen
154 //gener->SetVertexSmear(perTrack);
156 AliMagFMaps* field = new AliMagFMaps("Maps","Maps", 2, 1., 10., 1);
157 gAlice->SetField(field);
185 //=================== Alice BODY parameters =============================
186 AliBODY *BODY = new AliBODY("BODY", "Alice envelop");
189 AliBCM *BCM = new AliBCM("BCM", "Alice Beam Condition Monitor");
195 //=================== MAG parameters ============================
196 // --- Start with Magnet since detector layouts may be depending ---
197 // --- on the selected Magnet dimensions ---
198 AliMAG *MAG = new AliMAG("MAG", "Magnet");
204 //=================== ABSO parameters ============================
205 AliABSO *ABSO = new AliABSOv3("ABSO", "Muon Absorber");
210 //=================== DIPO parameters ============================
212 AliDIPO *DIPO = new AliDIPOv3("DIPO", "Dipole version 3");
217 //=================== HALL parameters ============================
219 AliHALL *HALL = new AliHALLv3("HALL", "Alice Hall");
225 //=================== FRAME parameters ============================
227 AliFRAMEv2 *FRAME = new AliFRAMEv2("FRAME", "Space Frame");
232 //=================== SHIL parameters ============================
234 AliSHIL *SHIL = new AliSHILv3("SHIL", "Shielding Version 3");
240 //=================== PIPE parameters ============================
242 AliPIPE *PIPE = new AliPIPEv3("PIPE", "Beam Pipe");
247 //=================== ITS parameters ============================
249 // As the innermost detector in ALICE, the Inner Tracking System "impacts" on
250 // almost all other detectors. This involves the fact that the ITS geometry
251 // still has several options to be followed in parallel in order to determine
252 // the best set-up which minimizes the induced background. All the geometries
253 // available to date are described in the following. Read carefully the comments
254 // and use the default version (the only one uncommented) unless you are making
255 // comparisons and you know what you are doing. In this case just uncomment the
256 // ITS geometry you want to use and run Aliroot.
258 // Detailed geometries:
261 //AliITS *ITS = new AliITSv5symm("ITS","Updated ITS TDR detailed version with symmetric services");
263 //AliITS *ITS = new AliITSv5asymm("ITS","Updates ITS TDR detailed version with asymmetric services");
265 AliITSvPPRasymmFMD *ITS = new AliITSvPPRasymmFMD("ITS","New ITS PPR detailed version with asymmetric services");
266 ITS->SetMinorVersion(2); // don't touch this parameter if you're not an ITS developer
267 ITS->SetReadDet(kFALSE); // don't touch this parameter if you're not an ITS developer
268 // ITS->SetWriteDet("$ALICE_ROOT/ITS/ITSgeometry_vPPRasymm2.det"); // don't touch this parameter if you're not an ITS developer
269 ITS->SetThicknessDet1(200.); // detector thickness on layer 1 must be in the range [100,300]
270 ITS->SetThicknessDet2(200.); // detector thickness on layer 2 must be in the range [100,300]
271 ITS->SetThicknessChip1(150.); // chip thickness on layer 1 must be in the range [150,300]
272 ITS->SetThicknessChip2(150.); // chip thickness on layer 2 must be in the range [150,300]
273 ITS->SetRails(0); // 1 --> rails in ; 0 --> rails out
274 ITS->SetCoolingFluid(1); // 1 --> water ; 0 --> freon
276 // Coarse geometries (warning: no hits are produced with these coarse geometries and they unuseful
277 // for reconstruction !):
280 //AliITSvPPRcoarseasymm *ITS = new AliITSvPPRcoarseasymm("ITS","New ITS PPR coarse version with asymmetric services");
281 //ITS->SetRails(0); // 1 --> rails in ; 0 --> rails out
282 //ITS->SetSupportMaterial(0); // 0 --> Copper ; 1 --> Aluminum ; 2 --> Carbon
284 //AliITS *ITS = new AliITSvPPRcoarsesymm("ITS","New ITS PPR coarse version with symmetric services");
285 //ITS->SetRails(0); // 1 --> rails in ; 0 --> rails out
286 //ITS->SetSupportMaterial(0); // 0 --> Copper ; 1 --> Aluminum ; 2 --> Carbon
290 // Geant3 <-> EUCLID conversion
291 // ============================
293 // SetEUCLID is a flag to output (=1) or not to output (=0) both geometry and
294 // media to two ASCII files (called by default ITSgeometry.euc and
295 // ITSgeometry.tme) in a format understandable to the CAD system EUCLID.
296 // The default (=0) means that you dont want to use this facility.
303 //============================ TPC parameters =====================
304 AliTPC *TPC = new AliTPCv2("TPC", "Default");
309 //=================== TOF parameters ============================
310 AliTOF *TOF = new AliTOFv6T0("TOF", "normal TOF");
311 // Partial geometry: modules at 2,3,4,6,7,11,12,14,15,16
312 // starting at 6h in positive direction
313 // Int_t TOFSectors[18]={-1,-1,0,0,0,-1,0,0,-1,-1,-1,0,0,-1,0,0,0,0};
314 // Partial geometry: modules at 1,2,6,7,9,10,11,12,15,16,17
315 // (ALICE numbering convention)
316 Int_t TOFSectors[18]={-1,0,0,-1,-1,-1,0,0,-1,0,0,0,0,-1,-1,0,0,0};
317 TOF->SetTOFSectors(TOFSectors);
323 //=================== HMPID parameters ===========================
324 AliHMPID *HMPID = new AliHMPIDv1("HMPID", "normal HMPID");
331 //=================== ZDC parameters ============================
333 AliZDC *ZDC = new AliZDCv2("ZDC", "normal ZDC");
338 //=================== TRD parameters ============================
340 AliTRD *TRD = new AliTRDv1("TRD", "TRD slow simulator");
341 AliTRDgeometry *geoTRD = TRD->GetGeometry();
342 // Partial geometry: modules at 2,3,4,6,11,12,14,15
343 // starting at 6h in positive direction
344 geoTRD->SetSMstatus(0,0);
345 geoTRD->SetSMstatus(1,0);
346 geoTRD->SetSMstatus(5,0);
347 geoTRD->SetSMstatus(7,0);
348 geoTRD->SetSMstatus(8,0);
349 geoTRD->SetSMstatus(9,0);
350 geoTRD->SetSMstatus(10,0);
351 geoTRD->SetSMstatus(13,0);
352 geoTRD->SetSMstatus(16,0);
353 geoTRD->SetSMstatus(17,0);
358 //=================== FMD parameters ============================
359 AliFMD *FMD = new AliFMDv1("FMD", "normal FMD");
364 //=================== MUON parameters ===========================
365 // New MUONv1 version (geometry defined via builders)
366 AliMUON *MUON = new AliMUONv1("MUON", "default");
368 //=================== PHOS parameters ===========================
372 AliPHOS *PHOS = new AliPHOSv1("PHOS", "IHEP");
378 //=================== PMD parameters ============================
379 AliPMD *PMD = new AliPMDv1("PMD", "normal PMD");
384 //=================== T0 parameters ============================
385 AliT0 *T0 = new AliT0v1("T0", "T0 Detector");
390 //=================== EMCAL parameters ============================
391 AliEMCAL *EMCAL = new AliEMCALv2("EMCAL", "EMCAL_COMPLETE");
396 //=================== ACORDE parameters ============================
397 AliACORDE *ACORDE = new AliACORDEv1("ACORDE", "normal ACORDE");
402 //=================== ACORDE parameters ============================
403 AliVZERO *VZERO = new AliVZEROv7("VZERO", "normal VZERO");
405 AliLog::Message(AliLog::kInfo, "End of Config", "Config.C", "Config.C", "Config()"," Config.C", __LINE__);
409 Float_t EtaToTheta(Float_t arg){
410 return (180./TMath::Pi())*2.*atan(exp(-arg));