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1 | void Config() |
2 | { |
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3 | // 7-DEC-2000 09:00 |
4 | // Switch on Transition Radiation simulation. 6/12/00 18:00 |
5 | // iZDC=1 7/12/00 09:00 |
6 | // ThetaRange is (0., 180.). It was (0.28,179.72) 7/12/00 09:00 |
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7 | // Theta range given through pseudorapidity limits 22/6/2001 |
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8 | |
9 | // Set Random Number seed |
10 | // gRandom->SetSeed(12345); |
11 | |
12 | new AliGeant3("C++ Interface to Geant3"); |
13 | |
14 | if (!gSystem->Getenv("CONFIG_FILE")) |
15 | { |
16 | TFile *rootfile = new TFile("galice.root", "recreate"); |
17 | |
18 | rootfile->SetCompressionLevel(2); |
19 | } |
20 | |
21 | TGeant3 *geant3 = (TGeant3 *) gMC; |
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22 | |
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23 | // |
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24 | // Set External decayer |
25 | AliDecayer *decayer = new AliDecayerPythia(); |
26 | |
27 | decayer->SetForceDecay(kAll); |
28 | decayer->Init(); |
29 | gMC->SetExternalDecayer(decayer); |
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30 | // |
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31 | // |
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32 | //======================================================================= |
33 | // ******* GEANT STEERING parameters FOR ALICE SIMULATION ******* |
34 | geant3->SetTRIG(1); //Number of events to be processed |
35 | geant3->SetSWIT(4, 10); |
36 | geant3->SetDEBU(0, 0, 1); |
37 | //geant3->SetSWIT(2,2); |
38 | geant3->SetDCAY(1); |
39 | geant3->SetPAIR(1); |
40 | geant3->SetCOMP(1); |
41 | geant3->SetPHOT(1); |
42 | geant3->SetPFIS(0); |
43 | geant3->SetDRAY(0); |
44 | geant3->SetANNI(1); |
45 | geant3->SetBREM(1); |
46 | geant3->SetMUNU(1); |
47 | geant3->SetCKOV(1); |
48 | geant3->SetHADR(1); //Select pure GEANH (HADR 1) or GEANH/NUCRIN (HADR 3) |
49 | geant3->SetLOSS(2); |
50 | geant3->SetMULS(1); |
51 | geant3->SetRAYL(1); |
52 | geant3->SetAUTO(1); //Select automatic STMIN etc... calc. (AUTO 1) or manual (AUTO 0) |
53 | geant3->SetABAN(0); //Restore 3.16 behaviour for abandoned tracks |
54 | geant3->SetOPTI(2); //Select optimisation level for GEANT geometry searches (0,1,2) |
55 | geant3->SetERAN(5.e-7); |
56 | |
57 | Float_t cut = 1.e-3; // 1MeV cut by default |
58 | Float_t tofmax = 1.e10; |
59 | |
60 | // GAM ELEC NHAD CHAD MUON EBREM MUHAB EDEL MUDEL MUPA TOFMAX |
61 | geant3->SetCUTS(cut, cut, cut, cut, cut, cut, cut, cut, cut, cut, |
62 | tofmax); |
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63 | // |
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64 | //======================================================================= |
65 | // ************* STEERING parameters FOR ALICE SIMULATION ************** |
66 | // --- Specify event type to be tracked through the ALICE setup |
67 | // --- All positions are in cm, angles in degrees, and P and E in GeV |
68 | if (gSystem->Getenv("CONFIG_NPARTICLES")) |
69 | { |
70 | int nParticles = atoi(gSystem->Getenv("CONFIG_NPARTICLES")); |
71 | } else |
72 | { |
73 | int nParticles = 50; |
74 | } |
75 | AliGenHIJINGpara *gener = new AliGenHIJINGpara(nParticles); |
76 | |
77 | gener->SetMomentumRange(0, 999); |
78 | gener->SetPhiRange(0, 360); |
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79 | // Set pseudorapidity range from -8 to 8. |
80 | Float_t thmin = EtaToTheta(8); // theta min. <---> eta max |
81 | Float_t thmax = EtaToTheta(-8); // theta max. <---> eta min |
82 | gener->SetThetaRange(thmin,thmax); |
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83 | gener->SetOrigin(0, 0, 0); //vertex position |
84 | gener->SetSigma(0, 0, 0); //Sigma in (X,Y,Z) (cm) on IP position |
85 | gener->Init(); |
86 | // |
87 | // Activate this line if you want the vertex smearing to happen |
88 | // track by track |
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89 | // |
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90 | //gener->SetVertexSmear(perTrack); |
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91 | |
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92 | gAlice->SetField(-999, 2); //Specify maximum magnetic field in Tesla (neg. ==> default field) |
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93 | |
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94 | Int_t iABSO = 1; |
95 | Int_t iCASTOR = 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; |
108 | Int_t iSTART = 1; |
109 | Int_t iTOF = 1; |
110 | Int_t iTPC = 1; |
111 | Int_t iTRD = 1; |
112 | Int_t iZDC = 1; |
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113 | |
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114 | //=================== Alice BODY parameters ============================= |
115 | AliBODY *BODY = new AliBODY("BODY", "Alice envelop"); |
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116 | |
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117 | |
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118 | if (iMAG) |
119 | { |
120 | //=================== MAG parameters ============================ |
121 | // --- Start with Magnet since detector layouts may be depending --- |
122 | // --- on the selected Magnet dimensions --- |
123 | AliMAG *MAG = new AliMAG("MAG", "Magnet"); |
124 | } |
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125 | |
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126 | |
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127 | if (iABSO) |
128 | { |
129 | //=================== ABSO parameters ============================ |
130 | AliABSO *ABSO = new AliABSOv0("ABSO", "Muon Absorber"); |
131 | } |
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132 | |
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133 | if (iDIPO) |
134 | { |
135 | //=================== DIPO parameters ============================ |
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136 | |
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137 | AliDIPO *DIPO = new AliDIPOv2("DIPO", "Dipole version 2"); |
138 | } |
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139 | |
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140 | if (iHALL) |
141 | { |
142 | //=================== HALL parameters ============================ |
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143 | |
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144 | AliHALL *HALL = new AliHALL("HALL", "Alice Hall"); |
145 | } |
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146 | |
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147 | |
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148 | if (iFRAME) |
149 | { |
150 | //=================== FRAME parameters ============================ |
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151 | |
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152 | AliFRAME *FRAME = new AliFRAMEv2("FRAME", "Space Frame"); |
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153 | |
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154 | } |
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155 | |
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156 | if (iSHIL) |
157 | { |
158 | //=================== SHIL parameters ============================ |
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159 | |
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160 | AliSHIL *SHIL = new AliSHILv0("SHIL", "Shielding"); |
161 | } |
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162 | |
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163 | |
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164 | if (iPIPE) |
165 | { |
166 | //=================== PIPE parameters ============================ |
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167 | |
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168 | AliPIPE *PIPE = new AliPIPEv0("PIPE", "Beam Pipe"); |
169 | } |
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170 | |
171 | if(iITS) { |
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172 | |
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173 | //=================== ITS parameters ============================ |
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174 | // |
175 | // As the innermost detector in ALICE, the Inner Tracking System "impacts" on |
176 | // almost all other detectors. This involves the fact that the ITS geometry |
177 | // still has several options to be followed in parallel in order to determine |
178 | // the best set-up which minimizes the induced background. All the geometries |
179 | // available to date are described in the following. Read carefully the comments |
180 | // and use the default version (the only one uncommented) unless you are making |
181 | // comparisons and you know what you are doing. In this case just uncomment the |
182 | // ITS geometry you want to use and run Aliroot. |
183 | // |
184 | // Detailed geometries: |
185 | // |
186 | // |
187 | //AliITS *ITS = new AliITSv5symm("ITS","Updated ITS TDR detailed version with symmetric services"); |
188 | // |
189 | //AliITS *ITS = new AliITSv5asymm("ITS","Updates ITS TDR detailed version with asymmetric services"); |
190 | // |
191 | AliITSvPPRasymm *ITS = new AliITSvPPRasymm("ITS","New ITS PPR detailed version with asymmetric services"); |
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192 | ITS->SetMinorVersion(2); // don't touch this parameter if you're not an ITS developer |
193 | ITS->SetReadDet(kFALSE); // don't touch this parameter if you're not an ITS developer |
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194 | // ITS->SetWriteDet("$ALICE_ROOT/ITS/ITSgeometry_vPPRasymm2.det"); // don't touch this parameter if you're not an ITS developer |
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195 | ITS->SetThicknessDet1(200.); // detector thickness on layer 1 must be in the range [100,300] |
196 | ITS->SetThicknessDet2(200.); // detector thickness on layer 2 must be in the range [100,300] |
197 | ITS->SetThicknessChip1(200.); // chip thickness on layer 1 must be in the range [150,300] |
198 | ITS->SetThicknessChip2(200.); // chip thickness on layer 2 must be in the range [150,300] |
199 | ITS->SetRails(1); // 1 --> rails in ; 0 --> rails out |
200 | ITS->SetCoolingFluid(1); // 1 --> water ; 0 --> freon |
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201 | // |
202 | //AliITSvPPRsymm *ITS = new AliITSvPPRsymm("ITS","New ITS PPR detailed version with symmetric services"); |
203 | //ITS->SetMinorVersion(2); // don't touch this parameter if you're not an ITS developer |
204 | //ITS->SetReadDet(kFALSE); // don't touch this parameter if you're not an ITS developer |
205 | //ITS->SetWriteDet("$ALICE_ROOT/ITS/ITSgeometry_vPPRsymm2.det"); // don't touch this parameter if you're not an ITS developer |
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206 | //ITS->SetThicknessDet1(200.); // detector thickness on layer 1 must be in the range [100,300] |
207 | //ITS->SetThicknessDet2(200.); // detector thickness on layer 2 must be in the range [100,300] |
208 | //ITS->SetThicknessChip1(200.); // chip thickness on layer 1 must be in the range [150,300] |
209 | //ITS->SetThicknessChip2(200.); // chip thickness on layer 2 must be in the range [150,300] |
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210 | //ITS->SetRails(1); // 1 --> rails in ; 0 --> rails out |
211 | //ITS->SetCoolingFluid(1); // 1 --> water ; 0 --> freon |
212 | // |
213 | // |
214 | // Coarse geometries (warning: no hits are produced with these coarse geometries and they unuseful |
215 | // for reconstruction !): |
216 | // |
217 | // |
218 | //AliITSvPPRcoarseasymm *ITS = new AliITSvPPRcoarseasymm("ITS","New ITS PPR coarse version with asymmetric services"); |
219 | //ITS->SetRails(1); // 1 --> rails in ; 0 --> rails out |
220 | //ITS->SetSupportMaterial(0); // 0 --> Copper ; 1 --> Aluminum ; 2 --> Carbon |
221 | // |
222 | //AliITS *ITS = new AliITSvPPRcoarsesymm("ITS","New ITS PPR coarse version with symmetric services"); |
223 | //ITS->SetRails(1); // 1 --> rails in ; 0 --> rails out |
224 | //ITS->SetSupportMaterial(0); // 0 --> Copper ; 1 --> Aluminum ; 2 --> Carbon |
225 | // |
226 | // |
227 | // |
228 | // Geant3 <-> EUCLID conversion |
229 | // ============================ |
230 | // |
231 | // SetEUCLID is a flag to output (=1) or not to output (=0) both geometry and |
232 | // media to two ASCII files (called by default ITSgeometry.euc and |
233 | // ITSgeometry.tme) in a format understandable to the CAD system EUCLID. |
234 | // The default (=0) means that you dont want to use this facility. |
235 | // |
236 | ITS->SetEUCLID(0); |
237 | } |
238 | |
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239 | |
240 | if (iTPC) |
241 | { |
242 | //============================ TPC parameters ================================ |
243 | // --- This allows the user to specify sectors for the SLOW (TPC geometry 2) |
244 | // --- Simulator. SecAL (SecAU) <0 means that ALL lower (upper) |
245 | // --- sectors are specified, any value other than that requires at least one |
246 | // --- sector (lower or upper)to be specified! |
247 | // --- Reminder: sectors 1-24 are lower sectors (1-12 -> z>0, 13-24 -> z<0) |
248 | // --- sectors 25-72 are the upper ones (25-48 -> z>0, 49-72 -> z<0) |
249 | // --- SecLows - number of lower sectors specified (up to 6) |
250 | // --- SecUps - number of upper sectors specified (up to 12) |
251 | // --- Sens - sensitive strips for the Slow Simulator !!! |
252 | // --- This does NOT work if all S or L-sectors are specified, i.e. |
253 | // --- if SecAL or SecAU < 0 |
254 | // |
255 | // |
256 | //----------------------------------------------------------------------------- |
257 | |
258 | // gROOT->LoadMacro("SetTPCParam.C"); |
259 | // AliTPCParam *param = SetTPCParam(); |
260 | AliTPC *TPC = new AliTPCv2("TPC", "Default"); |
261 | |
262 | // All sectors included |
263 | TPC->SetSecAL(-1); |
264 | TPC->SetSecAU(-1); |
265 | |
266 | } |
267 | |
268 | if (iTOF) |
269 | { |
270 | //=================== TOF parameters ============================ |
271 | AliTOF *TOF = new AliTOFv2("TOF", "normal TOF"); |
272 | } |
273 | |
274 | if (iRICH) |
275 | { |
276 | //=================== RICH parameters =========================== |
277 | AliRICH *RICH = new AliRICHv1("RICH", "normal RICH"); |
278 | |
279 | } |
280 | |
281 | |
282 | if (iZDC) |
283 | { |
284 | //=================== ZDC parameters ============================ |
285 | |
286 | AliZDC *ZDC = new AliZDCv1("ZDC", "normal ZDC"); |
287 | } |
288 | |
289 | if (iCASTOR) |
290 | { |
291 | //=================== CASTOR parameters ============================ |
292 | |
293 | AliCASTOR *CASTOR = new AliCASTORv1("CASTOR", "normal CASTOR"); |
294 | } |
295 | |
296 | if (iTRD) |
297 | { |
298 | //=================== TRD parameters ============================ |
299 | |
300 | AliTRD *TRD = new AliTRDv1("TRD", "TRD slow simulator"); |
301 | |
302 | // Select the gas mixture (0: 97% Xe + 3% isobutane, 1: 90% Xe + 10% CO2) |
303 | TRD->SetGasMix(1); |
304 | |
305 | // With hole in front of PHOS |
306 | TRD->SetPHOShole(); |
307 | // With hole in front of RICH |
308 | TRD->SetRICHhole(); |
309 | // Switch on TR |
310 | AliTRDsim *TRDsim = TRD->CreateTR(); |
311 | } |
312 | |
313 | if (iFMD) |
314 | { |
315 | //=================== FMD parameters ============================ |
316 | |
317 | AliFMD *FMD = new AliFMDv1("FMD", "normal FMD"); |
318 | } |
319 | |
320 | if (iMUON) |
321 | { |
322 | //=================== MUON parameters =========================== |
323 | |
324 | AliMUON *MUON = new AliMUONv1("MUON", "default"); |
325 | } |
326 | //=================== PHOS parameters =========================== |
327 | |
328 | if (iPHOS) |
329 | { |
330 | AliPHOS *PHOS = new AliPHOSv1("PHOS", "GPS2"); |
331 | } |
332 | |
333 | |
334 | if (iPMD) |
335 | { |
336 | //=================== PMD parameters ============================ |
337 | |
338 | AliPMD *PMD = new AliPMDv1("PMD", "normal PMD"); |
339 | |
340 | PMD->SetPAR(1., 1., 0.8, 0.02); |
341 | PMD->SetIN(6., 18., -580., 27., 27.); |
342 | PMD->SetGEO(0.0, 0.2, 4.); |
343 | PMD->SetPadSize(0.8, 1.0, 1.0, 1.5); |
344 | |
345 | } |
346 | |
347 | if (iSTART) |
348 | { |
349 | //=================== START parameters ============================ |
350 | AliSTART *START = new AliSTARTv1("START", "START Detector"); |
351 | } |
352 | |
353 | |
354 | } |
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355 | |
356 | Float_t EtaToTheta(Float_t arg){ |
357 | return (180./TMath::Pi())*2.*atan(exp(-arg)); |
358 | } |