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9bb2665f | 1 | #include <TPDGCode.h> |
2 | ||
b3d9d240 | 3 | void Config(){ |
4 | // 7-DEC-2000 09:00 | |
5 | // Switch on Transition Radiation simulation. 6/12/00 18:00 | |
6 | // iZDC=1 7/12/00 09:00 | |
7 | // ThetaRange is (0., 180.). It was (0.28,179.72) 7/12/00 09:00 | |
8 | // Theta range given through pseudorapidity limits 22/6/2001 | |
9 | ||
10 | // Set Random Number seed | |
11 | // gRandom->SetSeed(12345); | |
12 | ||
13 | // libraries required by geant321 | |
14 | gSystem->Load("libgeant321"); | |
15 | ||
16 | new TGeant3("C++ Interface to Geant3"); | |
17 | ||
18 | if (!gSystem->Getenv("CONFIG_FILE")) | |
19 | { | |
20 | TFile *rootfile = new TFile("galice.root", "recreate"); | |
21 | ||
22 | rootfile->SetCompressionLevel(2); | |
23 | } | |
24 | ||
25 | TGeant3 *geant3 = (TGeant3 *) gMC; | |
26 | ||
27 | // | |
28 | // Set External decayer | |
29 | AliDecayer *decayer = new AliDecayerPythia(); | |
30 | ||
31 | decayer->SetForceDecay(kAll); | |
32 | decayer->Init(); | |
33 | gMC->SetExternalDecayer(decayer); | |
34 | // | |
35 | // | |
36 | //======================================================================= | |
37 | // ******* GEANT STEERING parameters FOR ALICE SIMULATION ******* | |
38 | geant3->SetTRIG(1); //Number of events to be processed | |
39 | geant3->SetSWIT(4, 10); | |
40 | geant3->SetDEBU(0, 0, 1); | |
41 | //geant3->SetSWIT(2,2); | |
42 | geant3->SetDCAY(1); | |
43 | geant3->SetPAIR(1); | |
44 | geant3->SetCOMP(1); | |
45 | geant3->SetPHOT(1); | |
46 | geant3->SetPFIS(0); | |
47 | geant3->SetDRAY(0); | |
48 | geant3->SetANNI(1); | |
49 | geant3->SetBREM(1); | |
50 | geant3->SetMUNU(1); | |
51 | geant3->SetCKOV(1); | |
52 | geant3->SetHADR(1); //Select pure GEANH (HADR 1) or GEANH/NUCRIN (HADR 3) | |
53 | geant3->SetLOSS(2); | |
54 | geant3->SetMULS(1); | |
55 | geant3->SetRAYL(1); | |
56 | geant3->SetAUTO(1); //Select automatic STMIN etc... calc. (AUTO 1) or manual (AUTO 0) | |
57 | geant3->SetABAN(0); //Restore 3.16 behaviour for abandoned tracks | |
58 | geant3->SetOPTI(2); //Select optimisation level for GEANT geometry searches (0,1,2) | |
59 | geant3->SetERAN(5.e-7); | |
60 | ||
61 | Float_t cut = 1.e-3; // 1MeV cut by default | |
62 | Float_t tofmax = 1.e10; | |
63 | ||
64 | // GAM ELEC NHAD CHAD MUON EBREM MUHAB EDEL MUDEL MUPA TOFMAX | |
65 | geant3->SetCUTS(cut, cut, cut, cut, cut, cut, cut, cut, cut, cut, | |
66 | tofmax); | |
67 | // | |
68 | //======================================================================= | |
69 | // ************* STEERING parameters FOR ALICE SIMULATION ************** | |
70 | // --- Specify event type to be tracked through the ALICE setup | |
71 | // --- All positions are in cm, angles in degrees, and P and E in GeV | |
72 | if (gSystem->Getenv("CONFIG_NPARTICLES")){ | |
73 | int nParticles = atoi(gSystem->Getenv("CONFIG_NPARTICLES")); | |
74 | }else{ | |
75 | int nParticles = 2; | |
76 | } // end if | |
77 | //********************************************* | |
78 | // Example for Fixed Particle Gun | |
79 | //********************************************* | |
80 | AliGenFixed *gener = new AliGenFixed(nParticles); | |
81 | gener->SetMomentum(50); | |
82 | gener->SetPhi(180.); | |
83 | gener->SetTheta(95.); | |
84 | gener->SetOrigin(0,0,0); //vertex position | |
9bb2665f | 85 | gener->SetPart(kMuonMinus); |
b3d9d240 | 86 | gener->Init(); |
87 | // | |
88 | // Activate this line if you want the vertex smearing to happen | |
89 | // track by track | |
90 | // | |
91 | //gener->SetVertexSmear(perTrack); | |
92 | ||
93 | gAlice->SetField(-999, 2); //Specify maximum magnetic field in Tesla (neg. ==> default field) | |
94 | ||
95 | Int_t iABSO = 1; | |
96 | Int_t iDIPO = 1; | |
97 | Int_t iFMD = 1; | |
98 | Int_t iFRAME = 1; | |
99 | Int_t iHALL = 1; | |
100 | Int_t iITS = 1; | |
101 | Int_t iMAG = 1; | |
102 | Int_t iMUON = 1; | |
103 | Int_t iPHOS = 1; | |
104 | Int_t iPIPE = 1; | |
105 | Int_t iPMD = 1; | |
106 | Int_t iRICH = 1; | |
107 | Int_t iSHIL = 1; | |
ababa197 | 108 | Int_t iT0 = 1; |
b3d9d240 | 109 | Int_t iTOF = 1; |
110 | Int_t iTPC = 1; | |
111 | Int_t iTRD = 1; | |
112 | Int_t iZDC = 1; | |
113 | Int_t iEMCAL = 1; | |
114 | ||
115 | //=================== Alice BODY parameters ============================= | |
116 | AliBODY *BODY = new AliBODY("BODY", "Alice envelop"); | |
117 | ||
118 | if (iMAG){ | |
119 | //=================== MAG parameters ============================ | |
120 | // --- Start with Magnet since detector layouts may be depending --- | |
121 | // --- on the selected Magnet dimensions --- | |
122 | AliMAG *MAG = new AliMAG("MAG", "Magnet"); | |
123 | } | |
124 | if (iABSO){ | |
125 | //=================== ABSO parameters ============================ | |
126 | AliABSO *ABSO = new AliABSOv0("ABSO", "Muon Absorber"); | |
127 | } | |
128 | if (iDIPO){ | |
129 | //=================== DIPO parameters ============================ | |
130 | AliDIPO *DIPO = new AliDIPOv2("DIPO", "Dipole version 2"); | |
131 | } | |
132 | if (iHALL){ | |
133 | //=================== HALL parameters ============================ | |
134 | AliHALL *HALL = new AliHALL("HALL", "Alice Hall"); | |
135 | } | |
136 | if (iFRAME){ | |
137 | //=================== FRAME parameters ============================ | |
138 | AliFRAME *FRAME = new AliFRAMEv2("FRAME", "Space Frame"); | |
139 | } | |
140 | if (iSHIL){ | |
141 | //=================== SHIL parameters ============================ | |
142 | AliSHIL *SHIL = new AliSHILvF("SHIL", "Shielding"); | |
143 | } | |
144 | if (iPIPE){ | |
145 | //=================== PIPE parameters ============================ | |
146 | AliPIPE *PIPE = new AliPIPEv0("PIPE", "Beam Pipe"); | |
147 | } | |
148 | if(iITS) { | |
149 | //=================== ITS parameters ============================ | |
150 | // | |
151 | // As the innermost detector in ALICE, the Inner Tracking System | |
152 | // "impacts" on almost all other detectors. This involves the fact | |
153 | // that the ITS geometry still has several options to be followed | |
154 | //in parallel in order to determine the best set-up which minimizes | |
155 | // the induced background. All the geometries available to date are | |
156 | // described in the following. Read carefully the comments and use | |
157 | // the default version (the only one uncommented) unless you are making | |
158 | // comparisons and you know what you are doing. In this case just | |
159 | // uncomment the ITS geometry you want to use and run Aliroot. | |
160 | // Detailed geometries: | |
161 | AliITSvPPRasymm *ITS = new AliITSvPPRasymm("ITS","New ITS PPR detailed version with asymmetric services"); | |
162 | ITS->SetMinorVersion(2); // don't touch this parameter if you're not an ITS developer | |
163 | ITS->SetReadDet(kFALSE); // don't touch this parameter if you're not an ITS developer | |
164 | ITS->SetThicknessDet1(200.); // detector thickness on layer 1 must be in the range [100,300] | |
165 | ITS->SetThicknessDet2(200.); // detector thickness on layer 2 must be in the range [100,300] | |
166 | ITS->SetThicknessChip1(200.); // chip thickness on layer 1 must be in the range [150,300] | |
167 | ITS->SetThicknessChip2(200.);// chip thickness on layer 2 must be in the range [150,300] | |
168 | ITS->SetRails(1); // 1 --> rails in ; 0 --> rails out | |
169 | ITS->SetCoolingFluid(1); // 1 --> water ; 0 --> freon | |
170 | // Geant3 <-> EUCLID conversion | |
171 | // ============================ | |
172 | // SetEUCLID is a flag to output (=1) or not to output (=0) both | |
173 | // geometry and media to two ASCII files (called by default | |
174 | // ITSgeometry.euc and ITSgeometry.tme) in a format understandable | |
175 | // to the CAD system EUCLID. The default (=0) means that you dont | |
176 | // want to use this facility. | |
177 | ITS->SetEUCLID(0); | |
178 | } | |
179 | if (iTPC){ | |
180 | //============================ TPC parameters ========================= | |
181 | // This allows the user to specify sectors for the SLOW (TPC geometry | |
182 | // 2) Simulator. SecAL (SecAU) <0 means that ALL lower (upper) | |
183 | // sectors are specified, any value other than that requires at least | |
184 | // one sector (lower or upper)to be specified! | |
185 | // Reminder: sectors 1-24 are lower sectors ( 1-12->z>0,13-24->z<0) | |
186 | // sectors 25-72 are the upper ones (25-48->z>0,49-72->z<0) | |
187 | // SecLows - number of lower sectors specified (up to 6) | |
188 | // SecUps - number of upper sectors specified (up to 12) | |
189 | // Sens - sensitive strips for the Slow Simulator !!! | |
190 | // This does NOT work if all S or L-sectors are specified, i.e. | |
191 | // if SecAL or SecAU < 0 | |
192 | //--------------------------------------------------------------------- | |
193 | // gROOT->LoadMacro("SetTPCParam.C"); | |
194 | // AliTPCParam *param = SetTPCParam(); | |
195 | AliTPC *TPC = new AliTPCv2("TPC", "Default"); | |
196 | // All sectors included | |
197 | TPC->SetSecAL(-1); | |
198 | TPC->SetSecAU(-1); | |
199 | } | |
200 | if (iTOF){ | |
201 | //=================== TOF parameters ============================ | |
202 | AliTOF *TOF = new AliTOFv2("TOF", "normal TOF"); | |
203 | } | |
204 | if (iRICH){ | |
205 | //=================== RICH parameters =========================== | |
206 | AliRICH *RICH = new AliRICHv3("RICH", "normal RICH"); | |
207 | } | |
208 | if (iZDC){ | |
209 | //=================== ZDC parameters ============================ | |
210 | AliZDC *ZDC = new AliZDCv2("ZDC", "normal ZDC"); | |
211 | } | |
212 | if (iTRD){ | |
213 | //=================== TRD parameters ============================ | |
214 | AliTRD *TRD = new AliTRDv1("TRD", "TRD slow simulator"); | |
215 | // Select the gas mixture (0: 97% Xe + 3% isobutane, 1: 90% Xe + | |
216 | // 10% CO2) | |
217 | TRD->SetGasMix(1); | |
218 | // With hole in front of PHOS | |
219 | TRD->SetPHOShole(); | |
220 | // With hole in front of RICH | |
221 | TRD->SetRICHhole(); | |
222 | // Switch on TR | |
223 | AliTRDsim *TRDsim = TRD->CreateTR(); | |
224 | } | |
225 | if (iFMD){ | |
226 | //=================== FMD parameters ============================ | |
227 | AliFMD *FMD = new AliFMDv1("FMD", "normal FMD"); | |
228 | FMD->SetRingsSi1(256); | |
229 | FMD->SetRingsSi2(64); | |
230 | FMD->SetSectorsSi1(20); | |
231 | FMD->SetSectorsSi2(24); | |
232 | } | |
233 | if (iMUON){ | |
234 | //=================== MUON parameters =========================== | |
235 | AliMUON *MUON = new AliMUONv1("MUON", "default"); | |
236 | } | |
237 | if (iPHOS){ | |
238 | //=================== PHOS parameters =========================== | |
239 | AliPHOS *PHOS = new AliPHOSv1("PHOS", "GPS2"); | |
240 | } | |
241 | if (iPMD){ | |
242 | //=================== PMD parameters ============================ | |
243 | AliPMD *PMD = new AliPMDv1("PMD", "normal PMD"); | |
244 | PMD->SetPAR(1., 1., 0.8, 0.02); | |
245 | PMD->SetIN(6., 18., -580., 27., 27.); | |
246 | PMD->SetGEO(0.0, 0.2, 4.); | |
247 | PMD->SetPadSize(0.8, 1.0, 1.0, 1.5); | |
248 | } | |
249 | if (iEMCAL){ | |
250 | //=================== EMCAL parameters ============================ | |
251 | AliEMCAL *EMCAL = new AliEMCALv1("EMCAL", "G56_2_55_19_104_14"); | |
252 | } | |
ababa197 | 253 | if (iT0){ |
254 | //=================== T0 parameters ============================ | |
255 | AliT0 *T0 = new AliT0v1("T0", "T0 Detector"); | |
b3d9d240 | 256 | } |
257 | } | |
258 | //---------------------------------------------------------------------- | |
259 | Float_t EtaToTheta(Float_t arg){ | |
260 | return (180./TMath::Pi())*2.*atan(exp(-arg)); | |
261 | } |