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1 | void Config(){ |
2 | // 7-DEC-2000 09:00 |
3 | // Switch on Transition Radiation simulation. 6/12/00 18:00 |
4 | // iZDC=1 7/12/00 09:00 |
5 | // ThetaRange is (0., 180.). It was (0.28,179.72) 7/12/00 09:00 |
6 | // Theta range given through pseudorapidity limits 22/6/2001 |
7 | |
8 | // Set Random Number seed |
9 | // gRandom->SetSeed(12345); |
10 | |
11 | new AliGeant3("C++ Interface to Geant3"); |
12 | |
13 | if (!gSystem->Getenv("CONFIG_FILE")) |
14 | { |
15 | TFile *rootfile = new TFile("galice.root", "recreate"); |
16 | |
17 | rootfile->SetCompressionLevel(2); |
18 | } |
19 | |
20 | TGeant3 *geant3 = (TGeant3 *) gMC; |
21 | |
22 | // |
23 | // Set External decayer |
24 | AliDecayer *decayer = new AliDecayerPythia(); |
25 | |
26 | decayer->SetForceDecay(kAll); |
27 | decayer->Init(); |
28 | gMC->SetExternalDecayer(decayer); |
29 | // |
30 | // |
31 | //======================================================================= |
32 | // ******* GEANT STEERING parameters FOR ALICE SIMULATION ******* |
33 | geant3->SetTRIG(1); //Number of events to be processed |
34 | geant3->SetSWIT(4, 10); |
35 | geant3->SetDEBU(0, 0, 1); |
36 | //geant3->SetSWIT(2,2); |
37 | geant3->SetDCAY(1); |
38 | geant3->SetPAIR(1); |
39 | geant3->SetCOMP(1); |
40 | geant3->SetPHOT(1); |
41 | geant3->SetPFIS(0); |
42 | geant3->SetDRAY(0); |
43 | geant3->SetANNI(1); |
44 | geant3->SetBREM(1); |
45 | geant3->SetMUNU(1); |
46 | geant3->SetCKOV(1); |
47 | geant3->SetHADR(1); //Select pure GEANH (HADR 1) or GEANH/NUCRIN (HADR 3) |
48 | geant3->SetLOSS(2); |
49 | geant3->SetMULS(1); |
50 | geant3->SetRAYL(1); |
51 | geant3->SetAUTO(1); //Select automatic STMIN etc... calc. (AUTO 1) or manual (AUTO 0) |
52 | geant3->SetABAN(0); //Restore 3.16 behaviour for abandoned tracks |
53 | geant3->SetOPTI(2); //Select optimisation level for GEANT geometry searches (0,1,2) |
54 | geant3->SetERAN(5.e-7); |
55 | |
56 | Float_t cut = 1.e-3; // 1MeV cut by default |
57 | Float_t tofmax = 1.e10; |
58 | |
59 | // GAM ELEC NHAD CHAD MUON EBREM MUHAB EDEL MUDEL MUPA TOFMAX |
60 | geant3->SetCUTS(cut, cut, cut, cut, cut, cut, cut, cut, cut, cut, |
61 | tofmax); |
62 | // |
63 | //======================================================================= |
64 | // ************* STEERING parameters FOR ALICE SIMULATION ************** |
65 | // --- Specify event type to be tracked through the ALICE setup |
66 | // --- All positions are in cm, angles in degrees, and P and E in GeV |
67 | if (gSystem->Getenv("CONFIG_NPARTICLES")){ |
68 | int nParticles = atoi(gSystem->Getenv("CONFIG_NPARTICLES")); |
69 | } else{ |
70 | int nParticles = 500; |
71 | } // end if |
72 | AliGenHIJINGpara *gener = new AliGenHIJINGpara(nParticles); |
73 | |
74 | gener->SetMomentumRange(0, 999); |
75 | gener->SetPhiRange(0, 360); |
76 | // Set pseudorapidity range from -8 to 8. |
77 | Float_t thmin = EtaToTheta(8); // theta min. <---> eta max |
78 | Float_t thmax = EtaToTheta(-8); // theta max. <---> eta min |
79 | gener->SetThetaRange(thmin,thmax); |
80 | gener->SetOrigin(0, 0, 0); //vertex position |
81 | gener->SetSigma(0, 0, 0); //Sigma in (X,Y,Z) (cm) on IP position |
82 | gener->Init(); |
83 | // |
84 | // Activate this line if you want the vertex smearing to happen |
85 | // track by track |
86 | // |
87 | //gener->SetVertexSmear(perTrack); |
88 | |
89 | gAlice->SetField(-999, 2); //Specify maximum magnetic field in Tesla (neg. ==> default field) |
90 | |
91 | Int_t iABSO = 1; |
92 | Int_t iDIPO = 1; |
93 | Int_t iFMD = 1; |
94 | Int_t iFRAME = 1; |
95 | Int_t iHALL = 1; |
96 | Int_t iITS = 1; |
97 | Int_t iMAG = 1; |
98 | Int_t iMUON = 1; |
99 | Int_t iPHOS = 1; |
100 | Int_t iPIPE = 1; |
101 | Int_t iPMD = 1; |
102 | Int_t iRICH = 1; |
103 | Int_t iSHIL = 1; |
104 | Int_t iSTART = 1; |
105 | Int_t iTOF = 1; |
106 | Int_t iTPC = 1; |
107 | Int_t iTRD = 1; |
108 | Int_t iZDC = 1; |
109 | Int_t iEMCAL = 1; |
110 | |
111 | //=================== Alice BODY parameters ============================= |
112 | AliBODY *BODY = new AliBODY("BODY", "Alice envelop"); |
113 | |
114 | if (iMAG){ |
115 | //=================== MAG parameters ============================ |
116 | // --- Start with Magnet since detector layouts may be depending --- |
117 | // --- on the selected Magnet dimensions --- |
118 | AliMAG *MAG = new AliMAG("MAG", "Magnet"); |
119 | } |
120 | if (iABSO){ |
121 | //=================== ABSO parameters ============================ |
122 | AliABSO *ABSO = new AliABSOv0("ABSO", "Muon Absorber"); |
123 | } |
124 | if (iDIPO){ |
125 | //=================== DIPO parameters ============================ |
126 | AliDIPO *DIPO = new AliDIPOv2("DIPO", "Dipole version 2"); |
127 | } |
128 | if (iHALL){ |
129 | //=================== HALL parameters ============================ |
130 | AliHALL *HALL = new AliHALL("HALL", "Alice Hall"); |
131 | } |
132 | if (iFRAME){ |
133 | //=================== FRAME parameters ============================ |
134 | AliFRAME *FRAME = new AliFRAMEv2("FRAME", "Space Frame"); |
135 | } |
136 | if (iSHIL){ |
137 | //=================== SHIL parameters ============================ |
138 | AliSHIL *SHIL = new AliSHILvF("SHIL", "Shielding"); |
139 | } |
140 | if (iPIPE){ |
141 | //=================== PIPE parameters ============================ |
142 | AliPIPE *PIPE = new AliPIPEv0("PIPE", "Beam Pipe"); |
143 | } |
144 | if(iITS) { |
145 | //=================== ITS parameters ============================ |
146 | // |
147 | // As the innermost detector in ALICE, the Inner Tracking System |
148 | // "impacts" on almost all other detectors. This involves the fact |
149 | // that the ITS geometry still has several options to be followed |
150 | //in parallel in order to determine the best set-up which minimizes |
151 | // the induced background. All the geometries available to date are |
152 | // described in the following. Read carefully the comments and use |
153 | // the default version (the only one uncommented) unless you are making |
154 | // comparisons and you know what you are doing. In this case just |
155 | // uncomment the ITS geometry you want to use and run Aliroot. |
156 | // Detailed geometries: |
157 | AliITSvPPRasymm *ITS = new AliITSvPPRasymm("ITS","New ITS PPR detailed version with asymmetric services"); |
158 | ITS->SetMinorVersion(2); // don't touch this parameter if you're not an ITS developer |
159 | ITS->SetReadDet(kFALSE); // don't touch this parameter if you're not an ITS developer |
160 | ITS->SetThicknessDet1(200.); // detector thickness on layer 1 must be in the range [100,300] |
161 | ITS->SetThicknessDet2(200.); // detector thickness on layer 2 must be in the range [100,300] |
162 | ITS->SetThicknessChip1(200.); // chip thickness on layer 1 must be in the range [150,300] |
163 | ITS->SetThicknessChip2(200.);// chip thickness on layer 2 must be in the range [150,300] |
164 | ITS->SetRails(1); // 1 --> rails in ; 0 --> rails out |
165 | ITS->SetCoolingFluid(1); // 1 --> water ; 0 --> freon |
166 | // Geant3 <-> EUCLID conversion |
167 | // ============================ |
168 | // SetEUCLID is a flag to output (=1) or not to output (=0) both |
169 | // geometry and media to two ASCII files (called by default |
170 | // ITSgeometry.euc and ITSgeometry.tme) in a format understandable |
171 | // to the CAD system EUCLID. The default (=0) means that you dont |
172 | // want to use this facility. |
173 | ITS->SetEUCLID(0); |
174 | } |
175 | if (iTPC){ |
176 | //============================ TPC parameters ========================= |
177 | // This allows the user to specify sectors for the SLOW (TPC geometry |
178 | // 2) Simulator. SecAL (SecAU) <0 means that ALL lower (upper) |
179 | // sectors are specified, any value other than that requires at least |
180 | // one sector (lower or upper)to be specified! |
181 | // Reminder: sectors 1-24 are lower sectors ( 1-12->z>0,13-24->z<0) |
182 | // sectors 25-72 are the upper ones (25-48->z>0,49-72->z<0) |
183 | // SecLows - number of lower sectors specified (up to 6) |
184 | // SecUps - number of upper sectors specified (up to 12) |
185 | // Sens - sensitive strips for the Slow Simulator !!! |
186 | // This does NOT work if all S or L-sectors are specified, i.e. |
187 | // if SecAL or SecAU < 0 |
188 | //--------------------------------------------------------------------- |
189 | // gROOT->LoadMacro("SetTPCParam.C"); |
190 | // AliTPCParam *param = SetTPCParam(); |
191 | AliTPC *TPC = new AliTPCv2("TPC", "Default"); |
192 | // All sectors included |
193 | TPC->SetSecAL(-1); |
194 | TPC->SetSecAU(-1); |
195 | } |
196 | if (iTOF){ |
197 | //=================== TOF parameters ============================ |
198 | AliTOF *TOF = new AliTOFv2("TOF", "normal TOF"); |
199 | } |
200 | if (iRICH){ |
201 | //=================== RICH parameters =========================== |
290acc32 |
202 | AliRICH *RICH = new AliRICHv3("RICH", "normal RICH"); |
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203 | } |
204 | if (iZDC){ |
205 | //=================== ZDC parameters ============================ |
206 | AliZDC *ZDC = new AliZDCv2("ZDC", "normal ZDC"); |
207 | } |
208 | if (iTRD){ |
209 | //=================== TRD parameters ============================ |
210 | AliTRD *TRD = new AliTRDv1("TRD", "TRD slow simulator"); |
211 | // Select the gas mixture (0: 97% Xe + 3% isobutane, 1: 90% Xe + |
212 | // 10% CO2) |
213 | TRD->SetGasMix(1); |
214 | // With hole in front of PHOS |
215 | TRD->SetPHOShole(); |
216 | // With hole in front of RICH |
217 | TRD->SetRICHhole(); |
218 | // Switch on TR |
219 | AliTRDsim *TRDsim = TRD->CreateTR(); |
220 | } |
221 | if (iFMD){ |
222 | //=================== FMD parameters ============================ |
223 | AliFMD *FMD = new AliFMDv1("FMD", "normal FMD"); |
224 | FMD->SetRingsSi1(256); |
225 | FMD->SetRingsSi2(64); |
226 | FMD->SetSectorsSi1(20); |
227 | FMD->SetSectorsSi2(24); |
228 | } |
229 | if (iMUON){ |
230 | //=================== MUON parameters =========================== |
231 | AliMUON *MUON = new AliMUONv1("MUON", "default"); |
232 | } |
233 | if (iPHOS){ |
234 | //=================== PHOS parameters =========================== |
235 | AliPHOS *PHOS = new AliPHOSv1("PHOS", "GPS2"); |
236 | } |
237 | if (iPMD){ |
238 | //=================== PMD parameters ============================ |
239 | AliPMD *PMD = new AliPMDv1("PMD", "normal PMD"); |
240 | PMD->SetPAR(1., 1., 0.8, 0.02); |
241 | PMD->SetIN(6., 18., -580., 27., 27.); |
242 | PMD->SetGEO(0.0, 0.2, 4.); |
243 | PMD->SetPadSize(0.8, 1.0, 1.0, 1.5); |
244 | } |
245 | if (iEMCAL){ |
246 | //=================== EMCAL parameters ============================ |
247 | AliEMCAL *EMCAL = new AliEMCALv1("EMCAL", "EMCALArch1a"); |
248 | } |
249 | if (iSTART){ |
250 | //=================== START parameters ============================ |
251 | AliSTART *START = new AliSTARTv1("START", "START Detector"); |
252 | } |
253 | } |
254 | //---------------------------------------------------------------------- |
255 | Float_t EtaToTheta(Float_t arg){ |
256 | return (180./TMath::Pi())*2.*atan(exp(-arg)); |
257 | } |