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Commit | Line | Data |
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0f507a31 | 1 | void Config() |
2 | { | |
3 | // ============================= | |
4 | // Root file | |
5 | // ============================= | |
6 | ||
7 | // Create the output file | |
8 | TFile *rootfile = new TFile("galice.root","recreate"); | |
9 | rootfile->SetCompressionLevel(2); | |
10 | ||
f65f3af2 | 11 | // Set External decayer |
12 | AliDecayer* decayer = new AliDecayerPythia(); | |
13 | decayer->SetForceDecay(kAll); | |
14 | decayer->Init(); | |
15 | gMC->SetExternalDecayer(decayer); | |
16 | ||
0f507a31 | 17 | // ============================= |
18 | // Geant4 | |
19 | // ============================= | |
20 | ||
81f877d0 | 21 | if (gClassTable->GetID("TGeant4") == -1) { |
22 | // load dynamically only if executable was not linked | |
23 | // with geant4 libraries | |
0f507a31 | 24 | |
81f877d0 | 25 | // load Geant4 and AliRoot steer libraries |
26 | if (!gInterpreter->IsLoaded("g4libs.C")) gROOT->LoadMacro("g4libs.C"); | |
27 | gInterpreter->ProcessLine("g4libs()"); | |
28 | gInterpreter->ProcessLine("steerlibs()"); | |
29 | ||
30 | // Create Geant4 | |
31 | if (!gInterpreter->IsLoaded("g4menu.C")) gROOT->LoadMacro("g4menu.C"); | |
32 | gInterpreter->ProcessLine("CreateGeant4()"); | |
33 | } | |
0f507a31 | 34 | |
35 | // Physics process control | |
29d92eb4 | 36 | gMC ->SetProcess("DCAY",1); |
0f507a31 | 37 | gMC ->SetProcess("PAIR",1); |
38 | gMC ->SetProcess("COMP",1); | |
47da9306 | 39 | gMC ->SetProcess("PHOT",1); |
0f507a31 | 40 | gMC ->SetProcess("PFIS",0); |
41 | gMC ->SetProcess("DRAY",0); | |
42 | gMC ->SetProcess("ANNI",1); | |
43 | gMC ->SetProcess("BREM",1); | |
44 | gMC ->SetProcess("MUNU",1); | |
45 | //xx gMC ->SetProcess("CKOV",1); | |
46 | gMC ->SetProcess("HADR",1); //Select pure GEANH (HADR 1) or GEANH/NUCRIN (HADR 3) | |
47 | gMC ->SetProcess("LOSS",2); | |
48 | gMC ->SetProcess("MULS",1); | |
49 | //xx gMC ->SetProcess("RAYL",1); | |
50 | ||
51 | // Energy cuts | |
52 | // (in development) | |
53 | Float_t cut = 1.e-3; // 1MeV cut by default | |
68a98ae5 | 54 | Float_t tofmax = 1.e10; |
55 | ||
0f507a31 | 56 | gMC ->SetCut("CUTGAM",cut); |
57 | gMC ->SetCut("CUTELE",cut); | |
58 | gMC ->SetCut("CUTNEU",cut); | |
59 | gMC ->SetCut("CUTHAD",cut); | |
60 | gMC ->SetCut("CUTMUO",cut); | |
61 | gMC ->SetCut("BCUTE",cut); | |
62 | gMC ->SetCut("BCUTM",cut); | |
63 | gMC ->SetCut("DCUTE",cut); | |
64 | gMC ->SetCut("DCUTM",cut); | |
68a98ae5 | 65 | gMC ->SetCut("PPCUTM",cut); |
66 | gMC ->SetCut("TOFMAX",tofmax); | |
0f507a31 | 67 | |
68 | // ============================= | |
69 | // Event generator | |
70 | // ============================= | |
71 | ||
72 | // --- Specify event type to be tracked through the ALICE setup | |
73 | // --- All positions are in cm, angles in degrees, and P and E in GeV | |
74 | ||
661c4fa9 | 75 | Int_t nParticles; |
29d92eb4 | 76 | if (gSystem->Getenv("CONFIG_NPARTICLES")) |
77 | nParticles = atoi(gSystem->Getenv("CONFIG_NPARTICLES")); | |
78 | else | |
661c4fa9 | 79 | nParticles = 100; |
80 | ||
29d92eb4 | 81 | |
82 | AliGenHIJINGpara *gener = new AliGenHIJINGpara(nParticles); | |
0f507a31 | 83 | gener->SetMomentumRange(0,999); |
84 | gener->SetPhiRange(0,360); | |
661c4fa9 | 85 | // Set pseudorapidity range from -8 to 8. |
86 | Float_t thmin = EtaToTheta(8); // theta min. <---> eta max | |
87 | Float_t thmax = EtaToTheta(-8); // theta max. <---> eta min | |
88 | gener->SetThetaRange(thmin, thmax); | |
0f507a31 | 89 | gener->SetOrigin(0,0,0); //vertex position |
90 | gener->SetSigma(0,0,0); //Sigma in (X,Y,Z) (cm) on IP position | |
91 | gener->Init(); | |
661c4fa9 | 92 | // |
0f507a31 | 93 | // Activate this line if you want the vertex smearing to happen |
94 | // track by track | |
95 | ||
96 | //gener->SetVertexSmear(perTrack); | |
97 | ||
98 | // ============================= | |
99 | // Magnetic field | |
100 | // ============================= | |
101 | ||
661c4fa9 | 102 | //xx gAlice->SetField(-999,2); //Specify maximum magnetic field in Tesla (neg. ==> default field) |
0f507a31 | 103 | |
104 | // ============================= | |
105 | // Alice modules | |
106 | // ============================= | |
107 | ||
108 | //Bool_t isSetInteractively = false; | |
109 | Bool_t isSetInteractively = true; | |
110 | ||
111 | if (!isSetInteractively) { | |
112 | ||
113 | // Load modules libraries | |
676614b6 | 114 | if (!gInterpreter->IsLoaded("g4libs.C")) gROOT->LoadMacro("g4libs.C"); |
0f507a31 | 115 | gInterpreter->ProcessLine("detlibs()"); |
116 | ||
117 | // Select modules | |
29d92eb4 | 118 | Int_t iABSO=1; |
119 | Int_t iCASTOR=1; | |
120 | Int_t iDIPO=1; | |
121 | Int_t iFMD=1; | |
122 | Int_t iFRAME=1; | |
123 | Int_t iHALL=1; | |
124 | Int_t iITS=1; | |
125 | Int_t iMAG=1; | |
126 | Int_t iMUON=1; | |
127 | Int_t iPHOS=1; | |
128 | Int_t iPIPE=1; | |
129 | Int_t iPMD=1; | |
130 | Int_t iRICH=1; | |
131 | Int_t iSHIL=1; | |
132 | Int_t iSTART=1; | |
133 | Int_t iTOF=1; | |
134 | Int_t iTPC=1; | |
135 | Int_t iTRD=1; | |
136 | Int_t iZDC=1; | |
0f507a31 | 137 | |
138 | // Exclude detectors that do not work with Geant4 | |
0f507a31 | 139 | iCASTOR=0; |
d6880eca | 140 | // Detectors with temporary problem |
7a9caca2 | 141 | iZDC=0; |
676614b6 | 142 | iPMD=0; |
143 | iITS=0; | |
144 | ||
0f507a31 | 145 | // From G3 Config.C |
146 | // Without any modification | |
147 | ||
0f507a31 | 148 | |
29d92eb4 | 149 | //=================== Alice BODY parameters ============================= |
150 | AliBODY *BODY = new AliBODY("BODY","Alice envelop"); | |
151 | ||
152 | ||
153 | if(iMAG) { | |
154 | //=================== MAG parameters ============================ | |
155 | // --- Start with Magnet since detector layouts may be depending --- | |
156 | // --- on the selected Magnet dimensions --- | |
157 | AliMAG *MAG = new AliMAG("MAG","Magnet"); | |
158 | } | |
159 | ||
160 | ||
161 | if(iABSO) { | |
162 | //=================== ABSO parameters ============================ | |
163 | AliABSO *ABSO = new AliABSOv0("ABSO","Muon Absorber"); | |
164 | } | |
165 | ||
166 | if(iDIPO) { | |
167 | //=================== DIPO parameters ============================ | |
168 | ||
169 | AliDIPO *DIPO = new AliDIPOv2("DIPO","Dipole version 2"); | |
170 | } | |
171 | ||
172 | if(iHALL) { | |
173 | //=================== HALL parameters ============================ | |
174 | ||
175 | AliHALL *HALL = new AliHALL("HALL","Alice Hall"); | |
176 | } | |
177 | ||
178 | ||
179 | if(iFRAME) { | |
180 | //=================== FRAME parameters ============================ | |
181 | ||
661c4fa9 | 182 | AliFRAME *FRAME = new AliFRAMEv2("FRAME","Space Frame"); |
29d92eb4 | 183 | |
184 | } | |
185 | ||
186 | if(iSHIL) { | |
187 | //=================== SHIL parameters ============================ | |
188 | ||
189 | AliSHIL *SHIL = new AliSHILv0("SHIL","Shielding"); | |
190 | } | |
191 | ||
192 | ||
193 | if(iPIPE) { | |
194 | //=================== PIPE parameters ============================ | |
195 | ||
043ee3b8 | 196 | AliPIPE *PIPE = new AliPIPEv0("PIPE","Beam Pipe"); |
29d92eb4 | 197 | } |
198 | ||
199 | ||
200 | if(iITS) { | |
661c4fa9 | 201 | //=================== ITS parameters ============================ |
29d92eb4 | 202 | // |
203 | // As the innermost detector in ALICE, the Inner Tracking System "impacts" on | |
f65f3af2 | 204 | // almost all other detectors. This involves the fact that the ITS geometry |
205 | // still has several options to be followed in parallel in order to determine | |
29d92eb4 | 206 | // the best set-up which minimizes the induced background. All the geometries |
f65f3af2 | 207 | // available to date are described in the following. Read carefully the comments |
29d92eb4 | 208 | // and use the default version (the only one uncommented) unless you are making |
209 | // comparisons and you know what you are doing. In this case just uncomment the | |
f65f3af2 | 210 | // ITS geometry you want to use and run Aliroot. |
29d92eb4 | 211 | // |
f65f3af2 | 212 | // Detailed geometries: |
29d92eb4 | 213 | // |
29d92eb4 | 214 | // |
29d92eb4 | 215 | //AliITS *ITS = new AliITSv5symm("ITS","Updated ITS TDR detailed version with symmetric services"); |
216 | // | |
661c4fa9 | 217 | //AliITS *ITS = new AliITSv5asymm("ITS","Updates ITS TDR detailed version with asymmetric services"); |
29d92eb4 | 218 | // |
661c4fa9 | 219 | AliITSvPPRasymm *ITS = new AliITSvPPRasymm("ITS","New ITS PPR detailed version with asymmetric services"); |
220 | ITS->SetMinorVersion(2); // don't touch this parameter if you're not an ITS developer | |
221 | ITS->SetReadDet(kFALSE); // don't touch this parameter if you're not an ITS developer | |
222 | // ITS->SetWriteDet("$ALICE_ROOT/ITS/ITSgeometry_vPPRasymm2.det"); // don't touch this parameter if you're not an ITS developer | |
223 | ITS->SetThicknessDet1(200.); // detector thickness on layer 1 must be in the range [100,300] | |
224 | ITS->SetThicknessDet2(200.); // detector thickness on layer 2 must be in the range [100,300] | |
225 | ITS->SetThicknessChip1(200.); // chip thickness on layer 1 must be in the range [150,300] | |
226 | ITS->SetThicknessChip2(200.); // chip thickness on layer 2 must be in the range [150,300] | |
227 | ITS->SetRails(1); // 1 --> rails in ; 0 --> rails out | |
228 | ITS->SetCoolingFluid(1); // 1 --> water ; 0 --> freon | |
f65f3af2 | 229 | // |
230 | //AliITSvPPRsymm *ITS = new AliITSvPPRsymm("ITS","New ITS PPR detailed version with symmetric services"); | |
661c4fa9 | 231 | //ITS->SetMinorVersion(2); // don't touch this parameter if you're not an ITS developer |
232 | //ITS->SetReadDet(kFALSE); // don't touch this parameter if you're not an ITS developer | |
233 | //ITS->SetWriteDet("$ALICE_ROOT/ITS/ITSgeometry_vPPRsymm2.det"); // don't touch this parameter if you're not an ITS developer | |
234 | //ITS->SetThicknessDet1(200.); // detector thickness on layer 1 must be in the range [100,300] | |
235 | //ITS->SetThicknessDet2(200.); // detector thickness on layer 2 must be in the range [100,300] | |
236 | //ITS->SetThicknessChip1(200.); // chip thickness on layer 1 must be in the range [150,300] | |
237 | //ITS->SetThicknessChip2(200.); // chip thickness on layer 2 must be in the range [150,300] | |
f65f3af2 | 238 | //ITS->SetRails(1); // 1 --> rails in ; 0 --> rails out |
239 | //ITS->SetCoolingFluid(1); // 1 --> water ; 0 --> freon | |
240 | // | |
29d92eb4 | 241 | // |
f65f3af2 | 242 | // Coarse geometries (warning: no hits are produced with these coarse geometries and they unuseful |
243 | // for reconstruction !): | |
244 | // | |
29d92eb4 | 245 | // |
661c4fa9 | 246 | //AliITSvPPRcoarseasymm *ITS = new AliITSvPPRcoarseasymm("ITS","New ITS PPR coarse version with asymmetric services"); |
f65f3af2 | 247 | //ITS->SetRails(1); // 1 --> rails in ; 0 --> rails out |
248 | //ITS->SetSupportMaterial(0); // 0 --> Copper ; 1 --> Aluminum ; 2 --> Carbon | |
29d92eb4 | 249 | // |
661c4fa9 | 250 | //AliITS *ITS = new AliITSvPPRcoarsesymm("ITS","New ITS PPR coarse version with symmetric services"); |
f65f3af2 | 251 | //ITS->SetRails(1); // 1 --> rails in ; 0 --> rails out |
252 | //ITS->SetSupportMaterial(0); // 0 --> Copper ; 1 --> Aluminum ; 2 --> Carbon | |
253 | // | |
29d92eb4 | 254 | // |
255 | // | |
256 | // Geant3 <-> EUCLID conversion | |
257 | // ============================ | |
258 | // | |
f65f3af2 | 259 | // SetEUCLID is a flag to output (=1) or not to output (=0) both geometry and |
260 | // media to two ASCII files (called by default ITSgeometry.euc and | |
261 | // ITSgeometry.tme) in a format understandable to the CAD system EUCLID. | |
29d92eb4 | 262 | // The default (=0) means that you dont want to use this facility. |
263 | // | |
f65f3af2 | 264 | ITS->SetEUCLID(0); |
29d92eb4 | 265 | } |
266 | ||
29d92eb4 | 267 | if(iTPC) { |
268 | //============================ TPC parameters ================================ | |
269 | // --- This allows the user to specify sectors for the SLOW (TPC geometry 2) | |
270 | // --- Simulator. SecAL (SecAU) <0 means that ALL lower (upper) | |
271 | // --- sectors are specified, any value other than that requires at least one | |
272 | // --- sector (lower or upper)to be specified! | |
273 | // --- Reminder: sectors 1-24 are lower sectors (1-12 -> z>0, 13-24 -> z<0) | |
274 | // --- sectors 25-72 are the upper ones (25-48 -> z>0, 49-72 -> z<0) | |
275 | // --- SecLows - number of lower sectors specified (up to 6) | |
276 | // --- SecUps - number of upper sectors specified (up to 12) | |
277 | // --- Sens - sensitive strips for the Slow Simulator !!! | |
278 | // --- This does NOT work if all S or L-sectors are specified, i.e. | |
279 | // --- if SecAL or SecAU < 0 | |
280 | // | |
281 | // | |
282 | //----------------------------------------------------------------------------- | |
283 | ||
284 | // gROOT->LoadMacro("SetTPCParam.C"); | |
285 | // AliTPCParam *param = SetTPCParam(); | |
286 | AliTPC *TPC = new AliTPCv2("TPC","Default"); | |
287 | // All sectors included | |
288 | TPC->SetSecAL(-1); | |
289 | TPC->SetSecAU(-1); | |
290 | ||
291 | } | |
292 | ||
293 | if(iTOF) { | |
294 | //=================== TOF parameters ============================ | |
295 | AliTOF *TOF = new AliTOFv2("TOF","normal TOF"); | |
296 | } | |
297 | ||
298 | if(iRICH) { | |
299 | //=================== RICH parameters =========================== | |
e6738716 | 300 | AliRICH *RICH = new AliRICHv1("RICH","normal RICH"); |
0f507a31 | 301 | |
29d92eb4 | 302 | } |
0f507a31 | 303 | |
304 | ||
29d92eb4 | 305 | if(iZDC) { |
306 | //=================== ZDC parameters ============================ | |
0f507a31 | 307 | |
bcfe1265 | 308 | AliZDC *ZDC = new AliZDCv2("ZDC","normal ZDC"); |
29d92eb4 | 309 | } |
0f507a31 | 310 | |
29d92eb4 | 311 | if(iCASTOR) { |
312 | //=================== CASTOR parameters ============================ | |
0f507a31 | 313 | |
29d92eb4 | 314 | AliCASTOR *CASTOR = new AliCASTORv1("CASTOR","normal CASTOR"); |
315 | } | |
0f507a31 | 316 | |
29d92eb4 | 317 | if(iTRD) { |
318 | //=================== TRD parameters ============================ | |
0f507a31 | 319 | |
29d92eb4 | 320 | AliTRD *TRD = new AliTRDv1("TRD","TRD slow simulator"); |
0f507a31 | 321 | |
29d92eb4 | 322 | // Select the gas mixture (0: 97% Xe + 3% isobutane, 1: 90% Xe + 10% CO2) |
323 | TRD->SetGasMix(1); | |
0f507a31 | 324 | |
29d92eb4 | 325 | // With hole in front of PHOS |
326 | TRD->SetPHOShole(); | |
327 | // With hole in front of RICH | |
328 | TRD->SetRICHhole(); | |
329 | // Switch on TR | |
330 | AliTRDsim *TRDsim = TRD->CreateTR(); | |
331 | } | |
0f507a31 | 332 | |
29d92eb4 | 333 | if(iFMD) { |
334 | //=================== FMD parameters ============================ | |
0f507a31 | 335 | |
661c4fa9 | 336 | AliFMD *FMD = new AliFMDv1("FMD","normal FMD"); |
337 | FMD->SetRingsSi1(128); | |
338 | FMD->SetRingsSi2(64); | |
339 | FMD->SetSectorsSi1(20); | |
340 | FMD->SetSectorsSi2(24); | |
29d92eb4 | 341 | } |
0f507a31 | 342 | |
29d92eb4 | 343 | if(iMUON) { |
344 | //=================== MUON parameters =========================== | |
0f507a31 | 345 | |
f65f3af2 | 346 | AliMUON *MUON = new AliMUONv1("MUON","default"); |
29d92eb4 | 347 | } |
0f507a31 | 348 | |
29d92eb4 | 349 | //=================== PHOS parameters =========================== |
0f507a31 | 350 | |
29d92eb4 | 351 | if(iPHOS) { |
352 | AliPHOS *PHOS = new AliPHOSv1("PHOS","GPS2"); | |
353 | } | |
0f507a31 | 354 | |
355 | ||
29d92eb4 | 356 | if(iPMD) { |
357 | //=================== PMD parameters ============================ | |
0f507a31 | 358 | |
29d92eb4 | 359 | AliPMD *PMD = new AliPMDv1("PMD","normal PMD"); |
360 | PMD->SetPAR(1., 1., 0.8, 0.02); | |
361 | PMD->SetIN(6., 18., -580., 27., 27.); | |
362 | PMD->SetGEO(0.0, 0.2, 4.); | |
363 | PMD->SetPadSize(0.8, 1.0, 1.0, 1.5); | |
0f507a31 | 364 | |
29d92eb4 | 365 | } |
0f507a31 | 366 | |
29d92eb4 | 367 | if(iSTART) { |
368 | //=================== START parameters ============================ | |
369 | AliSTART *START = new AliSTARTv1("START","START Detector"); | |
370 | } | |
0f507a31 | 371 | |
29d92eb4 | 372 | } // end (!isSetInteractively) |
0f507a31 | 373 | |
374 | } | |
661c4fa9 | 375 | |
376 | Float_t EtaToTheta(Float_t arg){ | |
377 | return (180./TMath::Pi())*2.*atan(exp(-arg)); | |
378 | } |