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/AliITSv11Hybrid.h"
30 #include "TPC/AliTPCv2.h"
31 #include "TOF/AliTOFv6T0.h"
32 #include "HMPID/AliHMPIDv3.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"
49 static PprGeo_t geo = kHoles;
51 Float_t EtaToTheta(Float_t arg);
57 // ThetaRange is (0., 180.). It was (0.28,179.72) 7/12/00 09:00
58 // Theta range given through pseudorapidity limits 22/6/2001
60 // Set Random Number seed
61 //gRandom->SetSeed(123456); // Set 0 to use the current time
63 AliLog::Message(AliLog::kInfo, Form("Seed for random number generation = %d",gRandom->GetSeed()), "Config.C", "Config.C", "Config()","Config.C", __LINE__);
65 // Load Pythia libraries
67 // Libraries required by geant321
69 gSystem->Load("libgeant321");
72 new TGeant3TGeo("C++ Interface to Geant3");
76 AliLog::Message(AliLog::kInfo, "Creating Run Loader", "Config.C", "Config.C", "Config()"," Config.C", __LINE__);
78 rl = AliRunLoader::Open("galice.root",
79 AliConfig::GetDefaultEventFolderName(),
83 gAlice->Fatal("Config.C","Can not instatiate the Run Loader");
86 rl->SetCompressionLevel(2);
87 rl->SetNumberOfEventsPerFile(3);
88 gAlice->SetRunLoader(rl);
90 // gAlice->SetGeometryFromFile("geometry.root");
92 // Uncomment if you want to load geometry from OCDB! >>>>
94 if(!AliCDBManager::Instance()->IsDefaultStorageSet()){
95 cout << "#####################################################" << endl;
96 cout << "# #" << endl;
97 cout << "# WARNING: CDB DEFAULT STORAGE NOT SET !!! #" << endl;
98 cout << "# SETTING IT TO local://$ALICE_ROOT !!! #" << endl;
99 cout << "# #" << endl;
100 cout << "#####################################################" << endl;
102 AliCDBManager::Instance()->SetDefaultStorage("local://$ALICE_ROOT");
105 if(AliCDBManager::Instance()->GetRun() < 0){
106 cout << "#####################################################" << endl;
107 cout << "# #" << endl;
108 cout << "# WARNING: RUN NUMBER NOT SET !!! #" << endl;
109 cout << "# SETTING IT TO 0 !!! #" << endl;
110 cout << "# #" << endl;
111 cout << "#####################################################" << endl;
113 AliCDBManager::Instance()->SetRun(0);
115 gAlice->SetGeometryFromCDB();
117 // Uncomment if you want to load geometry from OCDB! <<<<
119 // Set the trigger configuration
120 gAlice->SetTriggerDescriptor("Pb-Pb");
121 cout<<"Trigger configuration is set to Pb-Pb"<<endl;
124 // Set External decayer
125 TVirtualMCDecayer *decayer = new AliDecayerPythia();
127 decayer->SetForceDecay(kAll);
129 gMC->SetExternalDecayer(decayer);
130 //=======================================================================
131 // ************* STEERING parameters FOR ALICE SIMULATION **************
132 // --- Specify event type to be tracked through the ALICE setup
133 // --- All positions are in cm, angles in degrees, and P and E in GeV
136 gMC->SetProcess("DCAY",1);
137 gMC->SetProcess("PAIR",1);
138 gMC->SetProcess("COMP",1);
139 gMC->SetProcess("PHOT",1);
140 gMC->SetProcess("PFIS",0);
141 gMC->SetProcess("DRAY",0);
142 gMC->SetProcess("ANNI",1);
143 gMC->SetProcess("BREM",1);
144 gMC->SetProcess("MUNU",1);
145 gMC->SetProcess("CKOV",1);
146 gMC->SetProcess("HADR",1);
147 gMC->SetProcess("LOSS",2);
148 gMC->SetProcess("MULS",1);
149 gMC->SetProcess("RAYL",1);
151 Float_t cut = 1.e-3; // 1MeV cut by default
152 Float_t tofmax = 1.e10;
154 gMC->SetCut("CUTGAM", cut);
155 gMC->SetCut("CUTELE", cut);
156 gMC->SetCut("CUTNEU", cut);
157 gMC->SetCut("CUTHAD", cut);
158 gMC->SetCut("CUTMUO", cut);
159 gMC->SetCut("BCUTE", cut);
160 gMC->SetCut("BCUTM", cut);
161 gMC->SetCut("DCUTE", cut);
162 gMC->SetCut("DCUTM", cut);
163 gMC->SetCut("PPCUTM", cut);
164 gMC->SetCut("TOFMAX", tofmax);
167 int nParticles = 100;
168 if (gSystem->Getenv("CONFIG_NPARTICLES"))
170 nParticles = atoi(gSystem->Getenv("CONFIG_NPARTICLES"));
173 AliGenCocktail *gener = new AliGenCocktail();
174 gener->SetPhiRange(0, 360);
175 // Set pseudorapidity range from -8 to 8.
176 Float_t thmin = EtaToTheta(8); // theta min. <---> eta max
177 Float_t thmax = EtaToTheta(-8); // theta max. <---> eta min
178 gener->SetThetaRange(thmin,thmax);
179 gener->SetOrigin(0, 0, 0); //vertex position
180 gener->SetSigma(0, 0, 0); //Sigma in (X,Y,Z) (cm) on IP position
182 AliGenHIJINGpara *hijingparam = new AliGenHIJINGpara(nParticles);
183 hijingparam->SetMomentumRange(0.2, 999);
184 gener->AddGenerator(hijingparam,"HIJING PARAM",1);
186 // AliGenBox *genbox = new AliGenBox(nParticles);
187 // genbox->SetPart(kGamma);
188 // genbox->SetPtRange(0.3, 10.00);
189 // gener->AddGenerator(genbox,"GENBOX GAMMA for PHOS",1);
194 // Activate this line if you want the vertex smearing to happen
197 //gener->SetVertexSmear(perTrack);
199 AliMagFMaps* field = new AliMagFMaps("Maps","Maps", 2, 1., 10., 1);
200 gAlice->SetField(field);
225 //=================== Alice BODY parameters =============================
226 AliBODY *BODY = new AliBODY("BODY", "Alice envelop");
230 //=================== MAG parameters ============================
231 // --- Start with Magnet since detector layouts may be depending ---
232 // --- on the selected Magnet dimensions ---
233 AliMAG *MAG = new AliMAG("MAG", "Magnet");
239 //=================== ABSO parameters ============================
240 AliABSO *ABSO = new AliABSOv3("ABSO", "Muon Absorber");
245 //=================== DIPO parameters ============================
247 AliDIPO *DIPO = new AliDIPOv3("DIPO", "Dipole version 3");
252 //=================== HALL parameters ============================
254 AliHALL *HALL = new AliHALLv3("HALL", "Alice Hall");
260 //=================== FRAME parameters ============================
262 AliFRAMEv2 *FRAME = new AliFRAMEv2("FRAME", "Space Frame");
272 //=================== SHIL parameters ============================
274 AliSHIL *SHIL = new AliSHILv3("SHIL", "Shielding Version 3");
280 //=================== PIPE parameters ============================
282 AliPIPE *PIPE = new AliPIPEv3("PIPE", "Beam Pipe");
287 //=================== ITS parameters ============================
289 AliITS *ITS = new AliITSv11Hybrid("ITS","ITS v11Hybrid");
294 //============================ TPC parameters ===================
295 AliTPC *TPC = new AliTPCv2("TPC", "Default");
300 //=================== TOF parameters ============================
301 AliTOF *TOF = new AliTOFv6T0("TOF", "normal TOF");
307 //=================== HMPID parameters ===========================
308 AliHMPID *HMPID = new AliHMPIDv3("HMPID", "normal HMPID");
315 //=================== ZDC parameters ============================
317 AliZDC *ZDC = new AliZDCv3("ZDC", "normal ZDC");
322 //=================== TRD parameters ============================
324 AliTRD *TRD = new AliTRDv1("TRD", "TRD slow simulator");
329 //=================== FMD parameters ============================
330 AliFMD *FMD = new AliFMDv1("FMD", "normal FMD");
335 //=================== MUON parameters ===========================
336 // New MUONv1 version (geometry defined via builders)
337 AliMUON *MUON = new AliMUONv1("MUON", "default");
339 //=================== PHOS parameters ===========================
343 AliPHOS *PHOS = new AliPHOSv1("PHOS", "IHEP");
349 //=================== PMD parameters ============================
350 AliPMD *PMD = new AliPMDv1("PMD", "normal PMD");
355 //=================== T0 parameters ============================
356 AliT0 *T0 = new AliT0v1("T0", "T0 Detector");
361 //=================== EMCAL parameters ============================
362 AliEMCAL *EMCAL = new AliEMCALv2("EMCAL", "SHISH_77_TRD1_2X2_FINAL_110DEG");
367 //=================== ACORDE parameters ============================
368 AliACORDE *ACORDE = new AliACORDEv0("ACORDE", "normal ACORDE");
373 //=================== ACORDE parameters ============================
374 AliVZERO *VZERO = new AliVZEROv7("VZERO", "normal VZERO");
377 AliLog::Message(AliLog::kInfo, "End of Config", "Config.C", "Config.C", "Config()"," Config.C", __LINE__);
381 Float_t EtaToTheta(Float_t arg){
382 return (180./TMath::Pi())*2.*atan(exp(-arg));
388 // Load Pythia related libraries
389 gSystem->Load("liblhapdf.so"); // Parton density functions
390 gSystem->Load("libEGPythia6.so"); // TGenerator interface
391 gSystem->Load("libpythia6.so"); // Pythia
392 gSystem->Load("libAliPythia6.so"); // ALICE specific implementations