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__)
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/AliMagFMaps.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/AliITSvPPRasymmFMD.h"
30 #include "TPC/AliTPCv2.h"
31 #include "TOF/AliTOFv6T0.h"
32 #include "HMPID/AliHMPIDv2.h"
33 #include "ZDC/AliZDCv2.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/AliACORDEv0.h"
42 #include "VZERO/AliVZEROv7.h"
49 static PprGeo_t geo = kHoles;
51 Float_t EtaToTheta(Float_t arg);
55 // ThetaRange is (0., 180.). It was (0.28,179.72) 7/12/00 09:00
56 // Theta range given through pseudorapidity limits 22/6/2001
58 // Set Random Number seed
59 gRandom->SetSeed(123456); // Set 0 to use the currecnt time
60 AliLog::Message(AliLog::kInfo, Form("Seed for random number generation = %d",gRandom->GetSeed()), "Config.C", "Config.C", "Config()","Config.C", __LINE__);
63 // libraries required by geant321
65 gSystem->Load("libgeant321");
68 new TGeant3TGeo("C++ Interface to Geant3");
70 if(!AliCDBManager::Instance()->IsDefaultStorageSet()){
71 AliCDBManager::Instance()->SetDefaultStorage("local://$ALICE_ROOT");
72 AliCDBManager::Instance()->SetRun(0);
77 AliLog::Message(AliLog::kInfo, "Creating Run Loader", "Config.C", "Config.C", "Config()"," Config.C", __LINE__);
79 rl = AliRunLoader::Open("galice.root",
80 AliConfig::GetDefaultEventFolderName(),
84 gAlice->Fatal("Config.C","Can not instatiate the Run Loader");
87 rl->SetCompressionLevel(2);
88 rl->SetNumberOfEventsPerFile(3);
89 gAlice->SetRunLoader(rl);
90 // gAlice->SetGeometryFromFile("geometry.root");
91 // gAlice->SetGeometryFromCDB();
93 // Set the trigger configuration
94 gAlice->SetTriggerDescriptor("Pb-Pb");
95 cout<<"Trigger configuration is set to Pb-Pb"<<endl;
98 // Set External decayer
99 TVirtualMCDecayer *decayer = new AliDecayerPythia();
101 decayer->SetForceDecay(kAll);
103 gMC->SetExternalDecayer(decayer);
104 //=======================================================================
105 // ************* STEERING parameters FOR ALICE SIMULATION **************
106 // --- Specify event type to be tracked through the ALICE setup
107 // --- All positions are in cm, angles in degrees, and P and E in GeV
110 gMC->SetProcess("DCAY",1);
111 gMC->SetProcess("PAIR",1);
112 gMC->SetProcess("COMP",1);
113 gMC->SetProcess("PHOT",1);
114 gMC->SetProcess("PFIS",0);
115 gMC->SetProcess("DRAY",0);
116 gMC->SetProcess("ANNI",1);
117 gMC->SetProcess("BREM",1);
118 gMC->SetProcess("MUNU",1);
119 gMC->SetProcess("CKOV",1);
120 gMC->SetProcess("HADR",1);
121 gMC->SetProcess("LOSS",2);
122 gMC->SetProcess("MULS",1);
123 gMC->SetProcess("RAYL",1);
125 Float_t cut = 1.e-3; // 1MeV cut by default
126 Float_t tofmax = 1.e10;
128 gMC->SetCut("CUTGAM", cut);
129 gMC->SetCut("CUTELE", cut);
130 gMC->SetCut("CUTNEU", cut);
131 gMC->SetCut("CUTHAD", cut);
132 gMC->SetCut("CUTMUO", cut);
133 gMC->SetCut("BCUTE", cut);
134 gMC->SetCut("BCUTM", cut);
135 gMC->SetCut("DCUTE", cut);
136 gMC->SetCut("DCUTM", cut);
137 gMC->SetCut("PPCUTM", cut);
138 gMC->SetCut("TOFMAX", tofmax);
141 int nParticles = 100;
142 if (gSystem->Getenv("CONFIG_NPARTICLES"))
144 nParticles = atoi(gSystem->Getenv("CONFIG_NPARTICLES"));
147 AliGenCocktail *gener = new AliGenCocktail();
148 gener->SetPhiRange(0, 360);
149 // Set pseudorapidity range from -8 to 8.
150 Float_t thmin = EtaToTheta(8); // theta min. <---> eta max
151 Float_t thmax = EtaToTheta(-8); // theta max. <---> eta min
152 gener->SetThetaRange(thmin,thmax);
153 gener->SetOrigin(0, 0, 0); //vertex position
154 gener->SetSigma(0, 0, 0); //Sigma in (X,Y,Z) (cm) on IP position
156 AliGenHIJINGpara *hijingparam = new AliGenHIJINGpara(nParticles);
157 hijingparam->SetMomentumRange(0.2, 999);
158 gener->AddGenerator(hijingparam,"HIJING PARAM",1);
160 // AliGenBox *genbox = new AliGenBox(nParticles);
161 // genbox->SetPart(kGamma);
162 // genbox->SetPtRange(0.3, 10.00);
163 // gener->AddGenerator(genbox,"GENBOX GAMMA for PHOS",1);
168 // Activate this line if you want the vertex smearing to happen
171 //gener->SetVertexSmear(perTrack);
173 AliMagFMaps* field = new AliMagFMaps("Maps","Maps", 2, 1., 10., 1);
174 gAlice->SetField(field);
199 //=================== Alice BODY parameters =============================
200 AliBODY *BODY = new AliBODY("BODY", "Alice envelop");
204 //=================== MAG parameters ============================
205 // --- Start with Magnet since detector layouts may be depending ---
206 // --- on the selected Magnet dimensions ---
207 AliMAG *MAG = new AliMAG("MAG", "Magnet");
213 //=================== ABSO parameters ============================
214 AliABSO *ABSO = new AliABSOv3("ABSO", "Muon Absorber");
219 //=================== DIPO parameters ============================
221 AliDIPO *DIPO = new AliDIPOv3("DIPO", "Dipole version 3");
226 //=================== HALL parameters ============================
228 AliHALL *HALL = new AliHALLv3("HALL", "Alice Hall");
234 //=================== FRAME parameters ============================
236 AliFRAMEv2 *FRAME = new AliFRAMEv2("FRAME", "Space Frame");
246 //=================== SHIL parameters ============================
248 AliSHIL *SHIL = new AliSHILv3("SHIL", "Shielding Version 3");
254 //=================== PIPE parameters ============================
256 AliPIPE *PIPE = new AliPIPEv3("PIPE", "Beam Pipe");
261 //=================== ITS parameters ============================
263 AliITSvPPRasymmFMD *ITS = new AliITSvPPRasymmFMD("ITS","ITS PPR detailed version with asymmetric services");
268 //============================ TPC parameters ===================
269 AliTPC *TPC = new AliTPCv2("TPC", "Default");
274 //=================== TOF parameters ============================
275 AliTOF *TOF = new AliTOFv6T0("TOF", "normal TOF");
281 //=================== HMPID parameters ===========================
282 AliHMPID *HMPID = new AliHMPIDv2("HMPID", "normal HMPID");
289 //=================== ZDC parameters ============================
291 AliZDC *ZDC = new AliZDCv2("ZDC", "normal ZDC");
296 //=================== TRD parameters ============================
298 AliTRD *TRD = new AliTRDv1("TRD", "TRD slow simulator");
303 //=================== FMD parameters ============================
304 AliFMD *FMD = new AliFMDv1("FMD", "normal FMD");
309 //=================== MUON parameters ===========================
310 // New MUONv1 version (geometry defined via builders)
311 AliMUON *MUON = new AliMUONv1("MUON", "default");
313 //=================== PHOS parameters ===========================
317 AliPHOS *PHOS = new AliPHOSv1("PHOS", "IHEP");
323 //=================== PMD parameters ============================
324 AliPMD *PMD = new AliPMDv1("PMD", "normal PMD");
329 //=================== T0 parameters ============================
330 AliT0 *T0 = new AliT0v1("T0", "T0 Detector");
335 //=================== EMCAL parameters ============================
336 AliEMCAL *EMCAL = new AliEMCALv2("EMCAL", "SHISH_77_TRD1_2X2_FINAL_110DEG");
341 //=================== ACORDE parameters ============================
342 AliACORDE *ACORDE = new AliACORDEv0("ACORDE", "normal ACORDE");
347 //=================== ACORDE parameters ============================
348 AliVZERO *VZERO = new AliVZEROv7("VZERO", "normal VZERO");
351 AliLog::Message(AliLog::kInfo, "End of Config", "Config.C", "Config.C", "Config()"," Config.C", __LINE__);
355 Float_t EtaToTheta(Float_t arg){
356 return (180./TMath::Pi())*2.*atan(exp(-arg));