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de78d77f | 1 | // One can use the configuration macro in compiled mode by |
2 | // root [0] gSystem->Load("libgeant321"); | |
3 | // root [0] gSystem->SetIncludePath("-I$ROOTSYS/include -I$ALICE_ROOT/include\ | |
4 | // -I$ALICE_ROOT -I$ALICE/geant3/TGeant3"); | |
5 | // root [0] .x grun.C(1,"Config.C++") | |
6 | ||
7 | #if !defined(__CINT__) || defined(__MAKECINT__) | |
8 | #include <Riostream.h> | |
9 | #include <TRandom.h> | |
10 | #include <TSystem.h> | |
11 | #include <TVirtualMC.h> | |
87d24ab1 | 12 | #include <TGeant3TGeo.h> |
de78d77f | 13 | #include "STEER/AliRunLoader.h" |
14 | #include "STEER/AliRun.h" | |
15 | #include "STEER/AliConfig.h" | |
16 | #include "PYTHIA6/AliDecayerPythia.h" | |
17 | #include "EVGEN/AliGenCocktail.h" | |
18 | #include "EVGEN/AliGenHIJINGpara.h" | |
19 | #include "STEER/AliMagFMaps.h" | |
20 | #include "STRUCT/AliBODY.h" | |
21 | #include "STRUCT/AliMAG.h" | |
22 | #include "STRUCT/AliABSOv0.h" | |
23 | #include "STRUCT/AliDIPOv2.h" | |
24 | #include "STRUCT/AliHALL.h" | |
25 | #include "STRUCT/AliFRAMEv2.h" | |
26 | #include "STRUCT/AliSHILv2.h" | |
27 | #include "STRUCT/AliPIPEv0.h" | |
e1cd8da1 | 28 | #include "ITS/AliITSvPPRasymmFMD.h" |
de78d77f | 29 | #include "TPC/AliTPCv2.h" |
50655693 | 30 | #include "TOF/AliTOFv5T0.h" |
b4f90c20 | 31 | #include "RICH/AliRICHv1.h" |
de78d77f | 32 | #include "ZDC/AliZDCv2.h" |
33 | #include "TRD/AliTRDv1.h" | |
34 | #include "FMD/AliFMDv1.h" | |
35 | #include "MUON/AliMUONv1.h" | |
36 | #include "PHOS/AliPHOSv1.h" | |
37 | #include "PMD/AliPMDv1.h" | |
38 | #include "START/AliSTARTv1.h" | |
4920e63e | 39 | #include "EMCAL/AliEMCALv2.h" |
de78d77f | 40 | #include "CRT/AliCRTv0.h" |
4a2f6442 | 41 | #include "VZERO/AliVZEROv7.h" |
de78d77f | 42 | #endif |
43 | ||
44 | Float_t EtaToTheta(Float_t arg); | |
b84cbedc | 45 | |
fe4da5cc | 46 | void Config() |
47 | { | |
682a4a95 | 48 | // ThetaRange is (0., 180.). It was (0.28,179.72) 7/12/00 09:00 |
81bf125a | 49 | // Theta range given through pseudorapidity limits 22/6/2001 |
682a4a95 | 50 | |
51 | // Set Random Number seed | |
de78d77f | 52 | gRandom->SetSeed(123456); // Set 0 to use the currecnt time |
8e86a720 | 53 | AliLog::Message(AliLog::kInfo, Form("Seed for random number generation = %d",gRandom->GetSeed()), "Config.C", "Config.C", "Config()","Config.C", __LINE__); |
682a4a95 | 54 | |
b9d0a01d | 55 | |
56 | // libraries required by geant321 | |
de78d77f | 57 | #if defined(__CINT__) |
b9d0a01d | 58 | gSystem->Load("libgeant321"); |
de78d77f | 59 | #endif |
b9d0a01d | 60 | |
b0470150 | 61 | new TGeant3TGeo("C++ Interface to Geant3"); |
682a4a95 | 62 | |
de78d77f | 63 | AliRunLoader* rl=0x0; |
64 | ||
8e86a720 | 65 | AliLog::Message(AliLog::kInfo, "Creating Run Loader", "Config.C", "Config.C", "Config()"," Config.C", __LINE__); |
66 | ||
de78d77f | 67 | rl = AliRunLoader::Open("galice.root", |
e191bb57 | 68 | AliConfig::GetDefaultEventFolderName(), |
de78d77f | 69 | "recreate"); |
70 | if (rl == 0x0) | |
71 | { | |
72 | gAlice->Fatal("Config.C","Can not instatiate the Run Loader"); | |
73 | return; | |
74 | } | |
75 | rl->SetCompressionLevel(2); | |
76 | rl->SetNumberOfEventsPerFile(3); | |
77 | gAlice->SetRunLoader(rl); | |
d551411b | 78 | |
2ab0c725 | 79 | // |
682a4a95 | 80 | // Set External decayer |
b9d0a01d | 81 | TVirtualMCDecayer *decayer = new AliDecayerPythia(); |
682a4a95 | 82 | |
83 | decayer->SetForceDecay(kAll); | |
84 | decayer->Init(); | |
85 | gMC->SetExternalDecayer(decayer); | |
682a4a95 | 86 | //======================================================================= |
6a3df6c9 | 87 | // ************* STEERING parameters FOR ALICE SIMULATION ************** |
88 | // --- Specify event type to be tracked through the ALICE setup | |
89 | // --- All positions are in cm, angles in degrees, and P and E in GeV | |
90 | ||
91 | ||
92 | gMC->SetProcess("DCAY",1); | |
93 | gMC->SetProcess("PAIR",1); | |
94 | gMC->SetProcess("COMP",1); | |
95 | gMC->SetProcess("PHOT",1); | |
96 | gMC->SetProcess("PFIS",0); | |
97 | gMC->SetProcess("DRAY",0); | |
98 | gMC->SetProcess("ANNI",1); | |
99 | gMC->SetProcess("BREM",1); | |
100 | gMC->SetProcess("MUNU",1); | |
101 | gMC->SetProcess("CKOV",1); | |
102 | gMC->SetProcess("HADR",1); | |
103 | gMC->SetProcess("LOSS",2); | |
104 | gMC->SetProcess("MULS",1); | |
105 | gMC->SetProcess("RAYL",1); | |
682a4a95 | 106 | |
107 | Float_t cut = 1.e-3; // 1MeV cut by default | |
108 | Float_t tofmax = 1.e10; | |
109 | ||
6a3df6c9 | 110 | gMC->SetCut("CUTGAM", cut); |
111 | gMC->SetCut("CUTELE", cut); | |
112 | gMC->SetCut("CUTNEU", cut); | |
113 | gMC->SetCut("CUTHAD", cut); | |
114 | gMC->SetCut("CUTMUO", cut); | |
115 | gMC->SetCut("BCUTE", cut); | |
116 | gMC->SetCut("BCUTM", cut); | |
117 | gMC->SetCut("DCUTE", cut); | |
118 | gMC->SetCut("DCUTM", cut); | |
119 | gMC->SetCut("PPCUTM", cut); | |
120 | gMC->SetCut("TOFMAX", tofmax); | |
121 | ||
122 | ||
e1cd8da1 | 123 | int nParticles = 100; |
682a4a95 | 124 | if (gSystem->Getenv("CONFIG_NPARTICLES")) |
125 | { | |
de78d77f | 126 | nParticles = atoi(gSystem->Getenv("CONFIG_NPARTICLES")); |
682a4a95 | 127 | } |
de78d77f | 128 | |
88cb7938 | 129 | AliGenCocktail *gener = new AliGenCocktail(); |
e1cd8da1 | 130 | gener->SetPhiRange(0, 360); |
81bf125a | 131 | // Set pseudorapidity range from -8 to 8. |
e1cd8da1 | 132 | Float_t thmin = EtaToTheta(8); // theta min. <---> eta max |
133 | Float_t thmax = EtaToTheta(-8); // theta max. <---> eta min | |
81bf125a | 134 | gener->SetThetaRange(thmin,thmax); |
682a4a95 | 135 | gener->SetOrigin(0, 0, 0); //vertex position |
136 | gener->SetSigma(0, 0, 0); //Sigma in (X,Y,Z) (cm) on IP position | |
88cb7938 | 137 | |
138 | AliGenHIJINGpara *hijingparam = new AliGenHIJINGpara(nParticles); | |
139 | hijingparam->SetMomentumRange(0.2, 999); | |
140 | gener->AddGenerator(hijingparam,"HIJING PARAM",1); | |
141 | ||
142 | // AliGenBox *genbox = new AliGenBox(nParticles); | |
143 | // genbox->SetPart(22); | |
144 | // genbox->SetPtRange(0.3, 10.00); | |
145 | // gener->AddGenerator(genbox,"GENBOX GAMMA for PHOS",1); | |
682a4a95 | 146 | gener->Init(); |
88cb7938 | 147 | |
148 | ||
682a4a95 | 149 | // |
150 | // Activate this line if you want the vertex smearing to happen | |
151 | // track by track | |
2ab0c725 | 152 | // |
682a4a95 | 153 | //gener->SetVertexSmear(perTrack); |
35be7bcf | 154 | // Field (L3 0.4 T) |
155 | AliMagFMaps* field = new AliMagFMaps("Maps","Maps", 2, 1., 10., 1); | |
35be7bcf | 156 | gAlice->SetField(field); |
157 | ||
158 | ||
de78d77f | 159 | Int_t iABSO = 1; |
35be7bcf | 160 | Int_t iDIPO = 1; |
de78d77f | 161 | Int_t iFMD = 1; |
35be7bcf | 162 | Int_t iFRAME = 1; |
163 | Int_t iHALL = 1; | |
164 | Int_t iITS = 1; | |
165 | Int_t iMAG = 1; | |
de78d77f | 166 | Int_t iMUON = 1; |
35be7bcf | 167 | Int_t iPHOS = 1; |
168 | Int_t iPIPE = 1; | |
de78d77f | 169 | Int_t iPMD = 1; |
170 | Int_t iRICH = 1; | |
35be7bcf | 171 | Int_t iSHIL = 1; |
de78d77f | 172 | Int_t iSTART = 1; |
173 | Int_t iTOF = 1; | |
35be7bcf | 174 | Int_t iTPC = 1; |
de78d77f | 175 | Int_t iTRD = 1; |
176 | Int_t iZDC = 1; | |
177 | Int_t iEMCAL = 1; | |
35be7bcf | 178 | Int_t iCRT = 0; |
de78d77f | 179 | Int_t iVZERO = 1; |
88cb7938 | 180 | rl->CdGAFile(); |
682a4a95 | 181 | //=================== Alice BODY parameters ============================= |
182 | AliBODY *BODY = new AliBODY("BODY", "Alice envelop"); | |
2ab0c725 | 183 | |
682a4a95 | 184 | if (iMAG) |
185 | { | |
186 | //=================== MAG parameters ============================ | |
187 | // --- Start with Magnet since detector layouts may be depending --- | |
188 | // --- on the selected Magnet dimensions --- | |
189 | AliMAG *MAG = new AliMAG("MAG", "Magnet"); | |
190 | } | |
8de40c27 | 191 | |
fe4da5cc | 192 | |
682a4a95 | 193 | if (iABSO) |
194 | { | |
195 | //=================== ABSO parameters ============================ | |
196 | AliABSO *ABSO = new AliABSOv0("ABSO", "Muon Absorber"); | |
197 | } | |
fe4da5cc | 198 | |
682a4a95 | 199 | if (iDIPO) |
200 | { | |
201 | //=================== DIPO parameters ============================ | |
fe4da5cc | 202 | |
682a4a95 | 203 | AliDIPO *DIPO = new AliDIPOv2("DIPO", "Dipole version 2"); |
204 | } | |
fe4da5cc | 205 | |
682a4a95 | 206 | if (iHALL) |
207 | { | |
208 | //=================== HALL parameters ============================ | |
2ab0c725 | 209 | |
682a4a95 | 210 | AliHALL *HALL = new AliHALL("HALL", "Alice Hall"); |
211 | } | |
2ab0c725 | 212 | |
2ab0c725 | 213 | |
682a4a95 | 214 | if (iFRAME) |
215 | { | |
216 | //=================== FRAME parameters ============================ | |
2ab0c725 | 217 | |
35be7bcf | 218 | AliFRAMEv2 *FRAME = new AliFRAMEv2("FRAME", "Space Frame"); |
682a4a95 | 219 | } |
fe4da5cc | 220 | |
682a4a95 | 221 | if (iSHIL) |
222 | { | |
223 | //=================== SHIL parameters ============================ | |
8dfe31df | 224 | |
35be7bcf | 225 | AliSHIL *SHIL = new AliSHILv2("SHIL", "Shielding Version 2"); |
682a4a95 | 226 | } |
fe4da5cc | 227 | |
ecd5c1f7 | 228 | |
682a4a95 | 229 | if (iPIPE) |
230 | { | |
231 | //=================== PIPE parameters ============================ | |
b422f318 | 232 | |
682a4a95 | 233 | AliPIPE *PIPE = new AliPIPEv0("PIPE", "Beam Pipe"); |
234 | } | |
d6478a5d | 235 | |
35be7bcf | 236 | if(iITS) { |
2ab0c725 | 237 | |
35be7bcf | 238 | //=================== ITS parameters ============================ |
d6478a5d | 239 | // |
240 | // As the innermost detector in ALICE, the Inner Tracking System "impacts" on | |
241 | // almost all other detectors. This involves the fact that the ITS geometry | |
242 | // still has several options to be followed in parallel in order to determine | |
243 | // the best set-up which minimizes the induced background. All the geometries | |
244 | // available to date are described in the following. Read carefully the comments | |
245 | // and use the default version (the only one uncommented) unless you are making | |
246 | // comparisons and you know what you are doing. In this case just uncomment the | |
247 | // ITS geometry you want to use and run Aliroot. | |
248 | // | |
249 | // Detailed geometries: | |
250 | // | |
251 | // | |
d6478a5d | 252 | // |
e1cd8da1 | 253 | AliITSvPPRasymmFMD *ITS = new AliITSvPPRasymmFMD("ITS","ITS PPR detailed version with asymmetric services"); |
254 | ITS->SetMinorVersion(2); // don't touch this parameter if you're not an ITS developer | |
255 | ITS->SetReadDet(kTRUE); // don't touch this parameter if you're not an ITS developer | |
256 | // ITS->SetWriteDet("$ALICE_ROOT/ITS/ITSgeometry_vPPRasymm2.det"); // don't touch this parameter if you're not an ITS developer | |
35be7bcf | 257 | ITS->SetThicknessDet1(200.); // detector thickness on layer 1 must be in the range [100,300] |
258 | ITS->SetThicknessDet2(200.); // detector thickness on layer 2 must be in the range [100,300] | |
259 | ITS->SetThicknessChip1(200.); // chip thickness on layer 1 must be in the range [150,300] | |
260 | ITS->SetThicknessChip2(200.); // chip thickness on layer 2 must be in the range [150,300] | |
e1cd8da1 | 261 | ITS->SetRails(0); // 1 --> rails in ; 0 --> rails out |
262 | ITS->SetCoolingFluid(1); // 1 --> water ; 0 --> freon | |
263 | ||
264 | ||
d6478a5d | 265 | // |
266 | // Coarse geometries (warning: no hits are produced with these coarse geometries and they unuseful | |
267 | // for reconstruction !): | |
268 | // | |
269 | // | |
270 | //AliITSvPPRcoarseasymm *ITS = new AliITSvPPRcoarseasymm("ITS","New ITS PPR coarse version with asymmetric services"); | |
35be7bcf | 271 | //ITS->SetRails(0); // 1 --> rails in ; 0 --> rails out |
d6478a5d | 272 | //ITS->SetSupportMaterial(0); // 0 --> Copper ; 1 --> Aluminum ; 2 --> Carbon |
273 | // | |
274 | //AliITS *ITS = new AliITSvPPRcoarsesymm("ITS","New ITS PPR coarse version with symmetric services"); | |
35be7bcf | 275 | //ITS->SetRails(0); // 1 --> rails in ; 0 --> rails out |
d6478a5d | 276 | //ITS->SetSupportMaterial(0); // 0 --> Copper ; 1 --> Aluminum ; 2 --> Carbon |
277 | // | |
278 | // | |
279 | // | |
280 | // Geant3 <-> EUCLID conversion | |
281 | // ============================ | |
282 | // | |
283 | // SetEUCLID is a flag to output (=1) or not to output (=0) both geometry and | |
284 | // media to two ASCII files (called by default ITSgeometry.euc and | |
285 | // ITSgeometry.tme) in a format understandable to the CAD system EUCLID. | |
286 | // The default (=0) means that you dont want to use this facility. | |
287 | // | |
88cb7938 | 288 | ITS->SetEUCLID(0); |
35be7bcf | 289 | } |
682a4a95 | 290 | |
291 | if (iTPC) | |
292 | { | |
26ca4b4a | 293 | //============================ TPC parameters =================== |
682a4a95 | 294 | AliTPC *TPC = new AliTPCv2("TPC", "Default"); |
682a4a95 | 295 | } |
296 | ||
35be7bcf | 297 | |
298 | if (iTOF) { | |
682a4a95 | 299 | //=================== TOF parameters ============================ |
50655693 | 300 | AliTOF *TOF = new AliTOFv5T0("TOF", "normal TOF"); |
682a4a95 | 301 | } |
302 | ||
35be7bcf | 303 | |
682a4a95 | 304 | if (iRICH) |
305 | { | |
306 | //=================== RICH parameters =========================== | |
b4f90c20 | 307 | AliRICH *RICH = new AliRICHv1("RICH", "normal RICH"); |
682a4a95 | 308 | |
309 | } | |
310 | ||
311 | ||
312 | if (iZDC) | |
313 | { | |
314 | //=================== ZDC parameters ============================ | |
315 | ||
2423e0d9 | 316 | AliZDC *ZDC = new AliZDCv2("ZDC", "normal ZDC"); |
682a4a95 | 317 | } |
318 | ||
682a4a95 | 319 | if (iTRD) |
320 | { | |
321 | //=================== TRD parameters ============================ | |
322 | ||
323 | AliTRD *TRD = new AliTRDv1("TRD", "TRD slow simulator"); | |
324 | ||
325 | // Select the gas mixture (0: 97% Xe + 3% isobutane, 1: 90% Xe + 10% CO2) | |
326 | TRD->SetGasMix(1); | |
e90f1c57 | 327 | // Switch on TR |
328 | AliTRDsim *TRDsim = TRD->CreateTR(); | |
682a4a95 | 329 | } |
330 | ||
331 | if (iFMD) | |
332 | { | |
333 | //=================== FMD parameters ============================ | |
35be7bcf | 334 | AliFMD *FMD = new AliFMDv1("FMD", "normal FMD"); |
f6d3338b | 335 | } |
682a4a95 | 336 | |
337 | if (iMUON) | |
338 | { | |
339 | //=================== MUON parameters =========================== | |
d85afa9b | 340 | // New MUONv1 version (geometry defined via builders) |
682a4a95 | 341 | AliMUON *MUON = new AliMUONv1("MUON", "default"); |
342 | } | |
343 | //=================== PHOS parameters =========================== | |
344 | ||
345 | if (iPHOS) | |
346 | { | |
35be7bcf | 347 | AliPHOS *PHOS = new AliPHOSv1("PHOS", "IHEP"); |
682a4a95 | 348 | } |
349 | ||
350 | ||
351 | if (iPMD) | |
352 | { | |
353 | //=================== PMD parameters ============================ | |
682a4a95 | 354 | AliPMD *PMD = new AliPMDv1("PMD", "normal PMD"); |
35be7bcf | 355 | } |
682a4a95 | 356 | |
35be7bcf | 357 | if (iSTART) |
358 | { | |
359 | //=================== START parameters ============================ | |
360 | AliSTART *START = new AliSTARTv1("START", "START Detector"); | |
682a4a95 | 361 | } |
362 | ||
35be7bcf | 363 | if (iEMCAL) |
9757d28c | 364 | { |
365 | //=================== EMCAL parameters ============================ | |
0588179e | 366 | AliEMCAL *EMCAL = new AliEMCALv2("EMCAL", "SHISH_77_TRD1_2X2_FINAL_110DEG"); |
9757d28c | 367 | } |
368 | ||
35be7bcf | 369 | if (iCRT) |
682a4a95 | 370 | { |
35be7bcf | 371 | //=================== CRT parameters ============================ |
372 | AliCRT *CRT = new AliCRTv0("CRT", "normal ACORDE"); | |
682a4a95 | 373 | } |
374 | ||
35be7bcf | 375 | if (iVZERO) |
376 | { | |
377 | //=================== CRT parameters ============================ | |
4a2f6442 | 378 | AliVZERO *VZERO = new AliVZEROv7("VZERO", "normal VZERO"); |
35be7bcf | 379 | } |
682a4a95 | 380 | |
8e86a720 | 381 | AliLog::Message(AliLog::kInfo, "End of Config", "Config.C", "Config.C", "Config()"," Config.C", __LINE__); |
de78d77f | 382 | |
682a4a95 | 383 | } |
81bf125a | 384 | |
385 | Float_t EtaToTheta(Float_t arg){ | |
386 | return (180./TMath::Pi())*2.*atan(exp(-arg)); | |
387 | } |