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/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/AliACORDEv0.h"
42 #include "VZERO/AliVZEROv7.h"
45 Float_t EtaToTheta(Float_t arg);
50 //AliLog::SetGlobalDebugLevel(2);
52 // ThetaRange is (0., 180.). It was (0.28,179.72) 7/12/00 09:00
53 // Theta range given through pseudorapidity limits 22/6/2001
55 // Set Random Number seed
56 //gRandom->SetSeed(123456); // Set 0 to use the currecnt time
57 AliLog::Message(AliLog::kInfo, Form("Seed for random number generation = %d",gRandom->GetSeed()), "Config.C", "Config.C", "Config()","Config.C", __LINE__);
59 // Load Pythia libraries
62 // libraries required by geant321
64 gSystem->Load("libgeant321");
67 new TGeant3TGeo("C++ Interface to Geant3");
71 AliLog::Message(AliLog::kInfo, "Creating Run Loader", "Config.C", "Config.C", "Config()"," Config.C", __LINE__);
73 rl = AliRunLoader::Open("galice.root",
74 AliConfig::GetDefaultEventFolderName(),
78 gAlice->Fatal("Config.C","Can not instatiate the Run Loader");
81 rl->SetCompressionLevel(2);
82 rl->SetNumberOfEventsPerFile(3);
83 gAlice->SetRunLoader(rl);
85 // Set the trigger configuration
86 gAlice->SetTriggerDescriptor("Pb-Pb");
87 cout<<"Trigger configuration is set to Pb-Pb"<<endl;
90 // Set External decayer
91 TVirtualMCDecayer *decayer = new AliDecayerPythia();
93 decayer->SetForceDecay(kAll);
95 gMC->SetExternalDecayer(decayer);
96 //=======================================================================
97 // ************* STEERING parameters FOR ALICE SIMULATION **************
98 // --- Specify event type to be tracked through the ALICE setup
99 // --- All positions are in cm, angles in degrees, and P and E in GeV
102 gMC->SetProcess("DCAY",1);
103 gMC->SetProcess("PAIR",1);
104 gMC->SetProcess("COMP",1);
105 gMC->SetProcess("PHOT",1);
106 gMC->SetProcess("PFIS",0);
107 gMC->SetProcess("DRAY",0);
108 gMC->SetProcess("ANNI",1);
109 gMC->SetProcess("BREM",1);
110 gMC->SetProcess("MUNU",1);
111 gMC->SetProcess("CKOV",1);
112 gMC->SetProcess("HADR",1);
113 gMC->SetProcess("LOSS",2);
114 gMC->SetProcess("MULS",1);
115 gMC->SetProcess("RAYL",1);
117 Float_t cut = 1.e-3; // 1MeV cut by default
118 Float_t tofmax = 1.e10;
120 gMC->SetCut("CUTGAM", cut);
121 gMC->SetCut("CUTELE", cut);
122 gMC->SetCut("CUTNEU", cut);
123 gMC->SetCut("CUTHAD", cut);
124 gMC->SetCut("CUTMUO", cut);
125 gMC->SetCut("BCUTE", cut);
126 gMC->SetCut("BCUTM", cut);
127 gMC->SetCut("DCUTE", cut);
128 gMC->SetCut("DCUTM", cut);
129 gMC->SetCut("PPCUTM", cut);
130 gMC->SetCut("TOFMAX", tofmax);
133 int nParticles = 100;
134 if (gSystem->Getenv("CONFIG_NPARTICLES"))
136 nParticles = atoi(gSystem->Getenv("CONFIG_NPARTICLES"));
139 AliGenBox *gener = new AliGenBox(5);
140 gener->SetMomentumRange(50.,100.);
141 gener->SetPhiRange(80.0,180.0);
142 gener->SetThetaRange(EtaToTheta(-0.7), EtaToTheta(0.7));
144 gener->SetOrigin(0,0,0); //vertex position
145 gener->SetSigma(0,0,0); //Sigma in (X,Y,Z) (cm) on IP position
146 gener->SetPart(kGamma);
150 // Activate this line if you want the vertex smearing to happen
153 //gener->SetVertexSmear(perTrack);
155 AliMagFMaps* field = new AliMagFMaps("Maps","Maps", 2, 1., 10., 1);
156 gAlice->SetField(field);
181 //=================== Alice BODY parameters =============================
182 AliBODY *BODY = new AliBODY("BODY", "Alice envelop");
186 //=================== MAG parameters ============================
187 // --- Start with Magnet since detector layouts may be depending ---
188 // --- on the selected Magnet dimensions ---
189 AliMAG *MAG = new AliMAG("MAG", "Magnet");
195 //=================== ABSO parameters ============================
196 AliABSO *ABSO = new AliABSOv3("ABSO", "Muon Absorber");
201 //=================== DIPO parameters ============================
203 AliDIPO *DIPO = new AliDIPOv3("DIPO", "Dipole version 3");
208 //=================== HALL parameters ============================
210 AliHALL *HALL = new AliHALLv3("HALL", "Alice Hall");
216 //=================== FRAME parameters ============================
218 AliFRAMEv2 *FRAME = new AliFRAMEv2("FRAME", "Space Frame");
223 //=================== SHIL parameters ============================
225 AliSHIL *SHIL = new AliSHILv3("SHIL", "Shielding Version 3");
231 //=================== PIPE parameters ============================
233 AliPIPE *PIPE = new AliPIPEv3("PIPE", "Beam Pipe");
238 //=================== ITS parameters ============================
240 AliITSvPPRasymmFMD *ITS = new AliITSvPPRasymmFMD("ITS","ITS PPR detailed version with asymmetric services");
245 //============================ TPC parameters ===================
246 AliTPC *TPC = new AliTPCv2("TPC", "Default");
251 //=================== TOF parameters ============================
252 AliTOF *TOF = new AliTOFv6T0("TOF", "normal TOF");
258 //=================== HMPID parameters ===========================
259 AliHMPID *HMPID = new AliHMPIDv2("HMPID", "normal HMPID");
266 //=================== ZDC parameters ============================
268 AliZDC *ZDC = new AliZDCv3("ZDC", "normal ZDC");
273 //=================== TRD parameters ============================
275 AliTRD *TRD = new AliTRDv1("TRD", "TRD slow simulator");
280 //=================== FMD parameters ============================
281 AliFMD *FMD = new AliFMDv1("FMD", "normal FMD");
286 //=================== MUON parameters ===========================
287 // New MUONv1 version (geometry defined via builders)
288 AliMUON *MUON = new AliMUONv1("MUON", "default");
290 //=================== PHOS parameters ===========================
294 AliPHOS *PHOS = new AliPHOSv1("PHOS", "IHEP");
300 //=================== PMD parameters ============================
301 AliPMD *PMD = new AliPMDv1("PMD", "normal PMD");
306 //=================== T0 parameters ============================
307 AliT0 *T0 = new AliT0v1("T0", "T0 Detector");
312 //=================== EMCAL parameters ============================
313 //AliEMCAL *EMCAL = new AliEMCALv2("EMCAL", "SHISH_77_TRD1_2X2_FINAL_110DEG");
314 AliEMCAL *EMCAL = new AliEMCALv2("EMCAL", "EMCAL_PDC06");
315 //AliEMCAL *EMCAL = new AliEMCALv2("EMCAL", "SHISH_77_TRD1_2X2_FINAL_110DEG pbTh=0.144 scTh=0.176");
316 //AliEMCAL *EMCAL = new AliEMCALv2("EMCAL", "EMCAL_COMPLETE");
321 //=================== ACORDE parameters ============================
322 AliACORDE *ACORDE = new AliACORDEv0("ACORDE", "normal ACORDE");
327 //=================== ACORDE parameters ============================
328 AliVZERO *VZERO = new AliVZEROv7("VZERO", "normal VZERO");
331 AliLog::Message(AliLog::kInfo, "End of Config", "Config.C", "Config.C", "Config()"," Config.C", __LINE__);
335 Float_t EtaToTheta(Float_t arg){
336 return (180./TMath::Pi())*2.*atan(exp(-arg));
341 // Load Pythia related libraries
342 gSystem->Load("liblhapdf.so"); // Parton density functions
343 gSystem->Load("libEGPythia6.so"); // TGenerator interface
344 gSystem->Load("libpythia6.so"); // Pythia
345 gSystem->Load("libAliPythia6.so"); // ALICE specific