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/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/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/AliACORDEv1.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 AliSimulation::Instance()->SetTriggerConfig("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);
134 if (gSystem->Getenv("CONFIG_NPARTICLES"))
136 nParticles = atoi(gSystem->Getenv("CONFIG_NPARTICLES"));
139 AliGenBox *gener = new AliGenBox(nParticles);
140 gener->SetMomentumRange(1.,10.);
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 TGeoGlobalMagField::Instance()->SetField(new AliMagF("Maps","Maps", -1., -1., AliMagF::k5kG));
179 //=================== Alice BODY parameters =============================
180 AliBODY *BODY = new AliBODY("BODY", "Alice envelop");
184 //=================== MAG parameters ============================
185 // --- Start with Magnet since detector layouts may be depending ---
186 // --- on the selected Magnet dimensions ---
187 AliMAG *MAG = new AliMAG("MAG", "Magnet");
193 //=================== ABSO parameters ============================
194 AliABSO *ABSO = new AliABSOv3("ABSO", "Muon Absorber");
199 //=================== DIPO parameters ============================
201 AliDIPO *DIPO = new AliDIPOv3("DIPO", "Dipole version 3");
206 //=================== HALL parameters ============================
208 AliHALL *HALL = new AliHALLv3("HALL", "Alice Hall");
214 //=================== FRAME parameters ============================
216 AliFRAMEv2 *FRAME = new AliFRAMEv2("FRAME", "Space Frame");
221 //=================== SHIL parameters ============================
223 AliSHIL *SHIL = new AliSHILv3("SHIL", "Shielding Version 3");
229 //=================== PIPE parameters ============================
231 AliPIPE *PIPE = new AliPIPEv3("PIPE", "Beam Pipe");
236 //=================== ITS parameters ============================
238 AliITSvPPRasymmFMD *ITS = new AliITSvPPRasymmFMD("ITS","ITS PPR detailed version with asymmetric services");
243 //============================ TPC parameters ===================
244 AliTPC *TPC = new AliTPCv2("TPC", "Default");
249 //=================== TOF parameters ============================
250 AliTOF *TOF = new AliTOFv6T0("TOF", "normal TOF");
256 //=================== HMPID parameters ===========================
257 AliHMPID *HMPID = new AliHMPIDv2("HMPID", "normal HMPID");
264 //=================== ZDC parameters ============================
266 AliZDC *ZDC = new AliZDCv3("ZDC", "normal ZDC");
271 //=================== TRD parameters ============================
273 AliTRD *TRD = new AliTRDv1("TRD", "TRD slow simulator");
278 //=================== FMD parameters ============================
279 AliFMD *FMD = new AliFMDv1("FMD", "normal FMD");
284 //=================== MUON parameters ===========================
285 // New MUONv1 version (geometry defined via builders)
286 AliMUON *MUON = new AliMUONv1("MUON", "default");
288 //=================== PHOS parameters ===========================
292 AliPHOS *PHOS = new AliPHOSv1("PHOS", "IHEP");
298 //=================== PMD parameters ============================
299 AliPMD *PMD = new AliPMDv1("PMD", "normal PMD");
304 //=================== T0 parameters ============================
305 AliT0 *T0 = new AliT0v1("T0", "T0 Detector");
310 //=================== EMCAL parameters ============================
311 AliEMCAL *EMCAL = new AliEMCALv2("EMCAL", "EMCAL_COMPLETE");
312 //AliEMCAL *EMCAL = new AliEMCALv2("EMCAL", "EMCAL_COMPLETE pbTh=0.144 scTh=0.176");
317 //=================== ACORDE parameters ============================
318 AliACORDE *ACORDE = new AliACORDEv1("ACORDE", "normal ACORDE");
323 //=================== ACORDE parameters ============================
324 AliVZERO *VZERO = new AliVZEROv7("VZERO", "normal VZERO");
327 AliLog::Message(AliLog::kInfo, "End of Config", "Config.C", "Config.C", "Config()"," Config.C", __LINE__);
331 Float_t EtaToTheta(Float_t arg){
332 return (180./TMath::Pi())*2.*atan(exp(-arg));
337 // Load Pythia related libraries
338 gSystem->Load("liblhapdf.so"); // Parton density functions
339 gSystem->Load("libEGPythia6.so"); // TGenerator interface
340 gSystem->Load("libpythia6.so"); // Pythia
341 gSystem->Load("libAliPythia6.so"); // ALICE specific