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 "RICH/AliRICHv1.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
55 // libraries required by geant321
57 gSystem->Load("libgeant321");
60 new TGeant3TGeo("C++ Interface to Geant3");
64 AliLog::Message(AliLog::kInfo, "Creating Run Loader", "Config.C", "Config.C", "Config()"," Config.C", __LINE__);
66 rl = AliRunLoader::Open("galice.root",
67 AliConfig::GetDefaultEventFolderName(),
71 gAlice->Fatal("Config.C","Can not instatiate the Run Loader");
74 rl->SetCompressionLevel(2);
75 rl->SetNumberOfEventsPerFile(3);
76 gAlice->SetRunLoader(rl);
78 // Set the trigger configuration
79 gAlice->SetTriggerDescriptor("Pb-Pb");
80 cout<<"Trigger configuration is set to Pb-Pb"<<endl;
83 // Set External decayer
84 TVirtualMCDecayer *decayer = new AliDecayerPythia();
86 decayer->SetForceDecay(kAll);
88 gMC->SetExternalDecayer(decayer);
89 //=======================================================================
90 // ************* STEERING parameters FOR ALICE SIMULATION **************
91 // --- Specify event type to be tracked through the ALICE setup
92 // --- All positions are in cm, angles in degrees, and P and E in GeV
95 gMC->SetProcess("DCAY",1);
96 gMC->SetProcess("PAIR",1);
97 gMC->SetProcess("COMP",1);
98 gMC->SetProcess("PHOT",1);
99 gMC->SetProcess("PFIS",0);
100 gMC->SetProcess("DRAY",0);
101 gMC->SetProcess("ANNI",1);
102 gMC->SetProcess("BREM",1);
103 gMC->SetProcess("MUNU",1);
104 gMC->SetProcess("CKOV",1);
105 gMC->SetProcess("HADR",1);
106 gMC->SetProcess("LOSS",2);
107 gMC->SetProcess("MULS",1);
108 gMC->SetProcess("RAYL",1);
110 Float_t cut = 1.e-3; // 1MeV cut by default
111 Float_t tofmax = 1.e10;
113 gMC->SetCut("CUTGAM", cut);
114 gMC->SetCut("CUTELE", cut);
115 gMC->SetCut("CUTNEU", cut);
116 gMC->SetCut("CUTHAD", cut);
117 gMC->SetCut("CUTMUO", cut);
118 gMC->SetCut("BCUTE", cut);
119 gMC->SetCut("BCUTM", cut);
120 gMC->SetCut("DCUTE", cut);
121 gMC->SetCut("DCUTM", cut);
122 gMC->SetCut("PPCUTM", cut);
123 gMC->SetCut("TOFMAX", tofmax);
126 int nParticles = 100;
127 if (gSystem->Getenv("CONFIG_NPARTICLES"))
129 nParticles = atoi(gSystem->Getenv("CONFIG_NPARTICLES"));
132 AliGenCocktail *gener = new AliGenCocktail();
133 gener->SetPhiRange(0, 360);
134 // Set pseudorapidity range from -8 to 8.
135 Float_t thmin = EtaToTheta(8); // theta min. <---> eta max
136 Float_t thmax = EtaToTheta(-8); // theta max. <---> eta min
137 gener->SetThetaRange(thmin,thmax);
138 gener->SetOrigin(0, 0, 0); //vertex position
139 gener->SetSigma(0, 0, 0); //Sigma in (X,Y,Z) (cm) on IP position
141 AliGenHIJINGpara *hijingparam = new AliGenHIJINGpara(nParticles);
142 hijingparam->SetMomentumRange(0.2, 999);
143 gener->AddGenerator(hijingparam,"HIJING PARAM",1);
145 // AliGenBox *genbox = new AliGenBox(nParticles);
146 // genbox->SetPart(22);
147 // genbox->SetPtRange(0.3, 10.00);
148 // gener->AddGenerator(genbox,"GENBOX GAMMA for PHOS",1);
153 // Activate this line if you want the vertex smearing to happen
156 //gener->SetVertexSmear(perTrack);
158 AliMagFMaps* field = new AliMagFMaps("Maps","Maps", 2, 1., 10., 1);
159 gAlice->SetField(field);
184 //=================== Alice BODY parameters =============================
185 AliBODY *BODY = new AliBODY("BODY", "Alice envelop");
189 //=================== MAG parameters ============================
190 // --- Start with Magnet since detector layouts may be depending ---
191 // --- on the selected Magnet dimensions ---
192 AliMAG *MAG = new AliMAG("MAG", "Magnet");
198 //=================== ABSO parameters ============================
199 AliABSO *ABSO = new AliABSOv0("ABSO", "Muon Absorber");
204 //=================== DIPO parameters ============================
206 AliDIPO *DIPO = new AliDIPOv2("DIPO", "Dipole version 2");
211 //=================== HALL parameters ============================
213 AliHALL *HALL = new AliHALL("HALL", "Alice Hall");
219 //=================== FRAME parameters ============================
221 AliFRAMEv2 *FRAME = new AliFRAMEv2("FRAME", "Space Frame");
226 //=================== SHIL parameters ============================
228 AliSHIL *SHIL = new AliSHILv2("SHIL", "Shielding Version 2");
234 //=================== PIPE parameters ============================
236 AliPIPE *PIPE = new AliPIPEv0("PIPE", "Beam Pipe");
241 //=================== ITS parameters ============================
243 // As the innermost detector in ALICE, the Inner Tracking System "impacts" on
244 // almost all other detectors. This involves the fact that the ITS geometry
245 // still has several options to be followed in parallel in order to determine
246 // the best set-up which minimizes the induced background. All the geometries
247 // available to date are described in the following. Read carefully the comments
248 // and use the default version (the only one uncommented) unless you are making
249 // comparisons and you know what you are doing. In this case just uncomment the
250 // ITS geometry you want to use and run Aliroot.
252 // Detailed geometries:
256 AliITSvPPRasymmFMD *ITS = new AliITSvPPRasymmFMD("ITS","ITS PPR detailed version with asymmetric services");
257 ITS->SetMinorVersion(2); // don't touch this parameter if you're not an ITS developer
258 ITS->SetReadDet(kFALSE); // don't touch this parameter if you're not an ITS developer
259 // ITS->SetWriteDet("$ALICE_ROOT/ITS/ITSgeometry_vPPRasymm2.det"); // don't touch this parameter if you're not an ITS developer
260 ITS->SetThicknessDet1(200.); // detector thickness on layer 1 must be in the range [100,300]
261 ITS->SetThicknessDet2(200.); // detector thickness on layer 2 must be in the range [100,300]
262 ITS->SetThicknessChip1(150.); // chip thickness on layer 1 must be in the range [150,300]
263 ITS->SetThicknessChip2(150.); // chip thickness on layer 2 must be in the range [150,300]
264 ITS->SetRails(0); // 1 --> rails in ; 0 --> rails out
265 ITS->SetCoolingFluid(1); // 1 --> water ; 0 --> freon
269 // Coarse geometries (warning: no hits are produced with these coarse geometries and they unuseful
270 // for reconstruction !):
273 //AliITSvPPRcoarseasymm *ITS = new AliITSvPPRcoarseasymm("ITS","New ITS PPR coarse version with asymmetric services");
274 //ITS->SetRails(0); // 1 --> rails in ; 0 --> rails out
275 //ITS->SetSupportMaterial(0); // 0 --> Copper ; 1 --> Aluminum ; 2 --> Carbon
277 //AliITS *ITS = new AliITSvPPRcoarsesymm("ITS","New ITS PPR coarse version with symmetric services");
278 //ITS->SetRails(0); // 1 --> rails in ; 0 --> rails out
279 //ITS->SetSupportMaterial(0); // 0 --> Copper ; 1 --> Aluminum ; 2 --> Carbon
283 // Geant3 <-> EUCLID conversion
284 // ============================
286 // SetEUCLID is a flag to output (=1) or not to output (=0) both geometry and
287 // media to two ASCII files (called by default ITSgeometry.euc and
288 // ITSgeometry.tme) in a format understandable to the CAD system EUCLID.
289 // The default (=0) means that you dont want to use this facility.
296 //============================ TPC parameters ===================
297 AliTPC *TPC = new AliTPCv2("TPC", "Default");
302 //=================== TOF parameters ============================
303 AliTOF *TOF = new AliTOFv5T0("TOF", "normal TOF");
309 //=================== RICH parameters ===========================
310 AliRICH *RICH = new AliRICHv1("RICH", "normal RICH");
317 //=================== ZDC parameters ============================
319 AliZDC *ZDC = new AliZDCv2("ZDC", "normal ZDC");
324 //=================== TRD parameters ============================
326 AliTRD *TRD = new AliTRDv1("TRD", "TRD slow simulator");
331 //=================== FMD parameters ============================
332 AliFMD *FMD = new AliFMDv1("FMD", "normal FMD");
337 //=================== MUON parameters ===========================
338 // New MUONv1 version (geometry defined via builders)
339 AliMUON *MUON = new AliMUONv1("MUON", "default");
341 //=================== PHOS parameters ===========================
345 AliPHOS *PHOS = new AliPHOSv1("PHOS", "IHEP");
351 //=================== PMD parameters ============================
352 AliPMD *PMD = new AliPMDv1("PMD", "normal PMD");
357 //=================== START parameters ============================
358 AliSTART *START = new AliSTARTv1("START", "START Detector");
363 //=================== EMCAL parameters ============================
364 AliEMCAL *EMCAL = new AliEMCALv2("EMCAL", "SHISH_77_TRD1_2X2_FINAL_110DEG");
369 //=================== CRT parameters ============================
370 AliCRT *CRT = new AliCRTv0("CRT", "normal ACORDE");
375 //=================== CRT parameters ============================
376 AliVZERO *VZERO = new AliVZEROv7("VZERO", "normal VZERO");
379 AliLog::Message(AliLog::kInfo, "End of Config", "Config.C", "Config.C", "Config()"," Config.C", __LINE__);
383 Float_t EtaToTheta(Float_t arg){
384 return (180./TMath::Pi())*2.*atan(exp(-arg));