1 #if !defined(__CINT__) || defined(__MAKECINT__)
6 #include <TVirtualMC.h>
8 #include "STEER/AliRunLoader.h"
9 #include "STEER/AliRun.h"
10 #include "STEER/AliConfig.h"
11 #include "PYTHIA6/AliDecayerPythia.h"
12 #include "PYTHIA6/AliGenPythia.h"
13 #include "STEER/AliMagFCM.h"
14 #include "STRUCT/AliBODY.h"
15 #include "STRUCT/AliMAG.h"
16 #include "STRUCT/AliABSOv3.h"
17 #include "STRUCT/AliDIPOv3.h"
18 #include "STRUCT/AliHALLv3.h"
19 #include "STRUCT/AliFRAMEv2.h"
20 #include "STRUCT/AliSHILv3.h"
21 #include "STRUCT/AliPIPEv3.h"
22 #include "ITS/AliITSvPPRasymm.h"
23 #include "TPC/AliTPCv2.h"
24 #include "TOF/AliTOFv6T0.h"
25 #include "HMPID/AliHMPIDv1.h"
26 #include "ZDC/AliZDCv1.h"
27 #include "TRD/AliTRDv1.h"
28 #include "FMD/AliFMDv0.h"
29 #include "MUON/AliMUONv1.h"
30 #include "PHOS/AliPHOSv1.h"
31 #include "PMD/AliPMDv1.h"
32 #include "T0/AliT0v1.h"
33 #include "ACORDE/AliACORDEv1.h"
40 // Set Random Number seed
42 UInt_t curtime=dt.Get();
43 UInt_t procid=gSystem->GetPid();
44 UInt_t seed=curtime-procid;
46 // gRandom->SetSeed(seed);
47 gRandom->SetSeed(12345);
48 cerr<<"Seed for random number generation= "<<seed<<endl;
50 // libraries required by geant321
52 gSystem->Load("libgeant321");
55 new TGeant3TGeo("C++ Interface to Geant3");
57 if(!AliCDBManager::Instance()->IsDefaultStorageSet()){
58 AliCDBManager::Instance()->SetDefaultStorage("local://$ALICE_ROOT");
59 AliCDBManager::Instance()->SetRun(0);
62 //=======================================================================
63 // Create the output file
67 cout<<"Config.C: Creating Run Loader ..."<<endl;
68 rl = AliRunLoader::Open("galice.root",
69 AliConfig::GetDefaultEventFolderName(),
73 gAlice->Fatal("Config.C","Can not instatiate the Run Loader");
76 rl->SetCompressionLevel(2);
77 rl->SetNumberOfEventsPerFile(3);
78 gAlice->SetRunLoader(rl);
79 // gAlice->SetGeometryFromFile("geometry.root");
80 // gAlice->SetGeometryFromCDB();
82 // Set the trigger configuration
83 gAlice->SetTriggerDescriptor("Pb-Pb");
84 cout<<"Trigger configuration is set to Pb-Pb"<<endl;
87 // Set External decayer
88 AliDecayer* decayer = new AliDecayerPythia();
89 decayer->SetForceDecay(kAll);
91 gMC->SetExternalDecayer(decayer);
95 //=======================================================================
96 // ************* STEERING parameters FOR ALICE SIMULATION **************
97 // --- Specify event type to be tracked through the ALICE setup
98 // --- All positions are in cm, angles in degrees, and P and E in GeV
101 gMC->SetProcess("DCAY",1);
102 gMC->SetProcess("PAIR",1);
103 gMC->SetProcess("COMP",1);
104 gMC->SetProcess("PHOT",1);
105 gMC->SetProcess("PFIS",0);
106 gMC->SetProcess("DRAY",0);
107 gMC->SetProcess("ANNI",1);
108 gMC->SetProcess("BREM",1);
109 gMC->SetProcess("MUNU",1);
110 gMC->SetProcess("CKOV",1);
111 gMC->SetProcess("HADR",1);
112 gMC->SetProcess("LOSS",2);
113 gMC->SetProcess("MULS",1);
114 gMC->SetProcess("RAYL",1);
116 Float_t cut = 1.e-3; // 1MeV cut by default
117 Float_t tofmax = 1.e10;
119 gMC->SetCut("CUTGAM", cut);
120 gMC->SetCut("CUTELE", cut);
121 gMC->SetCut("CUTNEU", cut);
122 gMC->SetCut("CUTHAD", cut);
123 gMC->SetCut("CUTMUO", cut);
124 gMC->SetCut("BCUTE", cut);
125 gMC->SetCut("BCUTM", cut);
126 gMC->SetCut("DCUTE", cut);
127 gMC->SetCut("DCUTM", cut);
128 gMC->SetCut("PPCUTM", cut);
129 gMC->SetCut("TOFMAX", tofmax);
132 // AliGenPythia *gener = new AliGenPythia(ntracks);
133 AliGenPythia *gener = new AliGenPythia(-1);
135 gener->SetMomentumRange(0,999);
136 gener->SetPhiRange(0., 360.);
137 gener->SetThetaRange(0,180);
138 gener->SetYRange(-999,999);
139 //gener->SetPtRange(0,100);
140 gener->SetOrigin(0,0,0); // vertex position
141 //gener->SetVertexSmear(kPerEvent);
142 gener->SetSigma(0,0,5.3); // Sigma in (X,Y,Z) (cm) on IP position
143 gener->SetTrackingFlag(0);
144 // gener->SetForceDecay(kHadronicD);
147 // The following settings select the Pythia parameters tuned to agree
148 // with charm NLO calculation for Pb-Pb @ 5.5 TeV with MNR code.
150 gener->SetProcess(kPyCharmPbPbMNR);
151 gener->SetStrucFunc(kCTEQ4L);
152 gener->SetPtHard(2.1,-1.0);
153 gener->SetEnergyCMS(5500.);
154 gener->SetNuclei(208,208); // Pb-Pb collisions
158 // Activate this line if you want the vertex smearing to happen
161 //gener->SetVertexSmear(perTrack);
164 AliMagFCM* field = new AliMagFCM(
165 "Map2","$(ALICE_ROOT)/data/field01.dat", 2, 1., 10.);
166 field->SetSolenoidField(4.);
167 gAlice->SetField(field);
189 //=================== Alice BODY parameters =============================
190 AliBODY *BODY = new AliBODY("BODY","Alice envelop");
193 //=================== MAG parameters ============================
194 // --- Start with Magnet since detector layouts may be depending ---
195 // --- on the selected Magnet dimensions ---
196 AliMAG *MAG = new AliMAG("MAG","Magnet");
201 //=================== ABSO parameters ============================
202 AliABSO *ABSO = new AliABSOv3("ABSO","Muon Absorber");
206 //=================== DIPO parameters ============================
208 AliDIPO *DIPO = new AliDIPOv3("DIPO","Dipole version 3");
212 //=================== HALL parameters ============================
214 AliHALL *HALL = new AliHALLv3("HALL","Alice Hall");
219 //=================== FRAME parameters ============================
221 AliFRAME *FRAME = new AliFRAMEv2("FRAME","Space Frame");
226 //=================== SHIL parameters ============================
228 AliSHIL *SHIL = new AliSHILv3("SHIL","Shielding");
233 //=================== PIPE parameters ============================
235 AliPIPE *PIPE = new AliPIPEv3("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:
255 //AliITS *ITS = new AliITSv5symm("ITS","Updated ITS TDR detailed version with symmetric services");
257 //AliITS *ITS = new AliITSv5asymm("ITS","Updates ITS TDR detailed version with asymmetric services");
259 AliITSvPPRasymm *ITS = new AliITSvPPRasymm("ITS","New ITS PPR detailed version with asymmetric services");
260 ITS->SetMinorVersion(2); // don't touch this parameter if you're not an ITS developer
261 ITS->SetReadDet(kFALSE); // don't touch this parameter if you're not an ITS developer
262 ITS->SetWriteDet("$ALICE_ROOT/ITS/ITSgeometry_vPPRasymm2.det"); // don't touch this parameter if you're not an ITS developer
263 ITS->SetThicknessDet1(200.); // detector thickness on layer 1 must be in the range [150,300]
264 ITS->SetThicknessDet2(200.); // detector thickness on layer 2 must be in the range [150,300]
265 ITS->SetThicknessChip1(150.); // chip thickness on layer 1 must be in the range [100,300]
266 ITS->SetThicknessChip2(150.); // chip thickness on layer 2 must be in the range [100,300]
267 ITS->SetRails(1); // 1 --> rails in ; 0 --> rails out
268 ITS->SetCoolingFluid(1); // 1 --> water ; 0 --> freon
270 // Coarse geometries (warning: no hits are produced with these coarse geometries and they unuseful
271 // for reconstruction !):
274 //AliITSvPPRcoarseasymm *ITS = new AliITSvPPRcoarseasymm("ITS","New ITS PPR coarse version with asymmetric services");
275 //ITS->SetRails(1); // 1 --> rails in ; 0 --> rails out
276 //ITS->SetSupportMaterial(0); // 0 --> Copper ; 1 --> Aluminum ; 2 --> Carbon
278 //AliITS *ITS = new AliITSvPPRcoarsesymm("ITS","New ITS PPR coarse version with symmetric services");
279 //ITS->SetRails(1); // 1 --> rails in ; 0 --> rails out
280 //ITS->SetSupportMaterial(0); // 0 --> Copper ; 1 --> Aluminum ; 2 --> Carbon
284 // Geant3 <-> EUCLID conversion
285 // ============================
287 // SetEUCLID is a flag to output (=1) or not to output (=0) both geometry and
288 // media to two ASCII files (called by default ITSgeometry.euc and
289 // ITSgeometry.tme) in a format understandable to the CAD system EUCLID.
290 // The default (=0) means that you dont want to use this facility.
297 //============================ TPC parameters ===================
298 AliTPC *TPC = new AliTPCv2("TPC","Default");
303 //=================== TOF parameters ============================
304 AliTOF *TOF = new AliTOFv6T0("TOF","normal TOF");
308 //=================== HMPID parameters ===========================
309 AliHMPID *HMPID = new AliHMPIDv1("HMPID","normal HMPID");
315 //=================== ZDC parameters ============================
317 AliZDC *ZDC = new AliZDCv1("ZDC","normal ZDC");
321 //=================== ACORDE parameters ============================
323 AliACORDE *ACORDE = new AliACORDEv1("ACORDE","normal ACORDE");
327 //=================== TRD parameters ============================
329 AliTRD *TRD = new AliTRDv1("TRD","TRD slow simulator");
333 //=================== FMD parameters ============================
335 AliFMD *FMD = new AliFMDv0("FMD","normal FMD");
339 //=================== MUON parameters ===========================
340 AliMUON *MUON = new AliMUONv1("MUON","default");
343 //=================== PHOS parameters ===========================
346 AliPHOS *PHOS = new AliPHOSv1("PHOS","GPS2");
350 //=================== ACORDE parameters ===========================
353 AliACORDE *ACORDE = new AliACORDEv1("ACORDE","Normal ACORDEGPS2");
358 //=================== PMD parameters ============================
360 AliPMD *PMD = new AliPMDv1("PMD","normal PMD");
361 PMD->SetPAR(1., 1., 0.8, 0.02);
362 PMD->SetIN(6., 18., -580., 27., 27.);
363 PMD->SetGEO(0.0, 0.2, 4.);
364 PMD->SetPadSize(0.8, 1.0, 1.0, 1.5);
369 //=================== T0 parameters ============================
370 AliT0 *T0 = new AliT0v1("T0","T0 Detector");