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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> | |
12 | #include <TGeant3TGeo.h> | |
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" | |
28 | #include "ITS/AliITSvPPRasymmFMD.h" | |
29 | #include "TPC/AliTPCv2.h" | |
30 | #include "TOF/AliTOFv5T0.h" | |
31 | #include "RICH/AliRICHv1.h" | |
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" | |
39 | #include "EMCAL/AliEMCALv2.h" | |
40 | #include "CRT/AliCRTv0.h" | |
41 | #include "VZERO/AliVZEROv7.h" | |
42 | #endif | |
43 | ||
44 | Float_t EtaToTheta(Float_t arg); | |
45 | ||
46 | void Config() | |
47 | { | |
48 | // ThetaRange is (0., 180.). It was (0.28,179.72) 7/12/00 09:00 | |
49 | // Theta range given through pseudorapidity limits 22/6/2001 | |
50 | ||
51 | // Set Random Number seed | |
52 | gRandom->SetSeed(123456); // Set 0 to use the currecnt time | |
53 | AliLog::Message(AliLog::kInfo, Form("Seed for random number generation = %d",gRandom->GetSeed()), "Config.C", "Config.C", "Config()","Config.C", __LINE__); | |
54 | ||
55 | ||
56 | // libraries required by geant321 | |
57 | #if defined(__CINT__) | |
58 | gSystem->Load("libgeant321"); | |
59 | #endif | |
60 | ||
61 | new TGeant3TGeo("C++ Interface to Geant3"); | |
62 | ||
63 | AliRunLoader* rl=0x0; | |
64 | ||
65 | AliLog::Message(AliLog::kInfo, "Creating Run Loader", "Config.C", "Config.C", "Config()"," Config.C", __LINE__); | |
66 | ||
67 | rl = AliRunLoader::Open("galice.root", | |
68 | AliConfig::GetDefaultEventFolderName(), | |
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); | |
78 | ||
79 | // Set the trigger configuration | |
80 | gAlice->SetTriggerDescriptor("p-p"); | |
81 | ||
82 | // | |
83 | // Set External decayer | |
84 | TVirtualMCDecayer *decayer = new AliDecayerPythia(); | |
85 | ||
86 | decayer->SetForceDecay(kAll); | |
87 | decayer->Init(); | |
88 | gMC->SetExternalDecayer(decayer); | |
89 | //======================================================================= | |
90 | // ************* STEERING parameters FOR ALICE SIMULATION ************** | |
91 | // --- Specify event type to be tracked through the ALICE setup | |
92 | // --- All positions are in cm, angles in degrees, and P and E in GeV | |
93 | ||
94 | ||
95 | gMC->SetProcess("DCAY",1); | |
96 | gMC->SetProcess("PAIR",1); | |
97 | gMC->SetProcess("COMP",1); | |
98 | gMC->SetProcess("PHOT",1); | |
99 | gMC->SetProcess("PFIS",0); | |
100 | gMC->SetProcess("DRAY",0); | |
101 | gMC->SetProcess("ANNI",1); | |
102 | gMC->SetProcess("BREM",1); | |
103 | gMC->SetProcess("MUNU",1); | |
104 | gMC->SetProcess("CKOV",1); | |
105 | gMC->SetProcess("HADR",1); | |
106 | gMC->SetProcess("LOSS",2); | |
107 | gMC->SetProcess("MULS",1); | |
108 | gMC->SetProcess("RAYL",1); | |
109 | ||
110 | Float_t cut = 1.e-3; // 1MeV cut by default | |
111 | Float_t tofmax = 1.e10; | |
112 | ||
113 | gMC->SetCut("CUTGAM", cut); | |
114 | gMC->SetCut("CUTELE", cut); | |
115 | gMC->SetCut("CUTNEU", cut); | |
116 | gMC->SetCut("CUTHAD", cut); | |
117 | gMC->SetCut("CUTMUO", cut); | |
118 | gMC->SetCut("BCUTE", cut); | |
119 | gMC->SetCut("BCUTM", cut); | |
120 | gMC->SetCut("DCUTE", cut); | |
121 | gMC->SetCut("DCUTM", cut); | |
122 | gMC->SetCut("PPCUTM", cut); | |
123 | gMC->SetCut("TOFMAX", tofmax); | |
124 | ||
125 | ||
126 | int nParticles = 100; | |
127 | if (gSystem->Getenv("CONFIG_NPARTICLES")) | |
128 | { | |
129 | nParticles = atoi(gSystem->Getenv("CONFIG_NPARTICLES")); | |
130 | } | |
131 | ||
132 | AliGenCocktail *gener = new AliGenCocktail(); | |
133 | gener->SetPhiRange(0, 360); | |
134 | // Set pseudorapidity range from -8 to 8. | |
135 | Float_t thmin = EtaToTheta(8); // theta min. <---> eta max | |
136 | Float_t thmax = EtaToTheta(-8); // theta max. <---> eta min | |
137 | gener->SetThetaRange(thmin,thmax); | |
138 | gener->SetOrigin(0, 0, 0); //vertex position | |
139 | gener->SetSigma(0, 0, 0); //Sigma in (X,Y,Z) (cm) on IP position | |
140 | ||
141 | AliGenHIJINGpara *hijingparam = new AliGenHIJINGpara(nParticles); | |
142 | hijingparam->SetMomentumRange(0.2, 999); | |
143 | gener->AddGenerator(hijingparam,"HIJING PARAM",1); | |
144 | ||
145 | // AliGenBox *genbox = new AliGenBox(nParticles); | |
146 | // genbox->SetPart(22); | |
147 | // genbox->SetPtRange(0.3, 10.00); | |
148 | // gener->AddGenerator(genbox,"GENBOX GAMMA for PHOS",1); | |
149 | gener->Init(); | |
150 | ||
151 | ||
152 | // | |
153 | // Activate this line if you want the vertex smearing to happen | |
154 | // track by track | |
155 | // | |
156 | //gener->SetVertexSmear(perTrack); | |
157 | // Field (L3 0.4 T) | |
158 | AliMagFMaps* field = new AliMagFMaps("Maps","Maps", 2, 1., 10., 1); | |
159 | gAlice->SetField(field); | |
160 | ||
161 | ||
162 | Int_t iABSO = 1; | |
163 | Int_t iDIPO = 1; | |
164 | Int_t iFMD = 1; | |
165 | Int_t iFRAME = 1; | |
166 | Int_t iHALL = 1; | |
167 | Int_t iITS = 1; | |
168 | Int_t iMAG = 1; | |
169 | Int_t iMUON = 1; | |
170 | Int_t iPHOS = 1; | |
171 | Int_t iPIPE = 1; | |
172 | Int_t iPMD = 1; | |
173 | Int_t iRICH = 1; | |
174 | Int_t iSHIL = 1; | |
175 | Int_t iSTART = 1; | |
176 | Int_t iTOF = 1; | |
177 | Int_t iTPC = 1; | |
178 | Int_t iTRD = 1; | |
179 | Int_t iZDC = 1; | |
180 | Int_t iEMCAL = 1; | |
181 | Int_t iCRT = 0; | |
182 | Int_t iVZERO = 1; | |
183 | rl->CdGAFile(); | |
184 | //=================== Alice BODY parameters ============================= | |
185 | AliBODY *BODY = new AliBODY("BODY", "Alice envelop"); | |
186 | ||
187 | if (iMAG) | |
188 | { | |
189 | //=================== MAG parameters ============================ | |
190 | // --- Start with Magnet since detector layouts may be depending --- | |
191 | // --- on the selected Magnet dimensions --- | |
192 | AliMAG *MAG = new AliMAG("MAG", "Magnet"); | |
193 | } | |
194 | ||
195 | ||
196 | if (iABSO) | |
197 | { | |
198 | //=================== ABSO parameters ============================ | |
199 | AliABSO *ABSO = new AliABSOv0("ABSO", "Muon Absorber"); | |
200 | } | |
201 | ||
202 | if (iDIPO) | |
203 | { | |
204 | //=================== DIPO parameters ============================ | |
205 | ||
206 | AliDIPO *DIPO = new AliDIPOv2("DIPO", "Dipole version 2"); | |
207 | } | |
208 | ||
209 | if (iHALL) | |
210 | { | |
211 | //=================== HALL parameters ============================ | |
212 | ||
213 | AliHALL *HALL = new AliHALL("HALL", "Alice Hall"); | |
214 | } | |
215 | ||
216 | ||
217 | if (iFRAME) | |
218 | { | |
219 | //=================== FRAME parameters ============================ | |
220 | ||
221 | AliFRAMEv2 *FRAME = new AliFRAMEv2("FRAME", "Space Frame"); | |
222 | } | |
223 | ||
224 | if (iSHIL) | |
225 | { | |
226 | //=================== SHIL parameters ============================ | |
227 | ||
228 | AliSHIL *SHIL = new AliSHILv2("SHIL", "Shielding Version 2"); | |
229 | } | |
230 | ||
231 | ||
232 | if (iPIPE) | |
233 | { | |
234 | //=================== PIPE parameters ============================ | |
235 | ||
236 | AliPIPE *PIPE = new AliPIPEv0("PIPE", "Beam Pipe"); | |
237 | } | |
238 | ||
239 | if(iITS) { | |
240 | ||
241 | //=================== ITS parameters ============================ | |
242 | // | |
243 | // As the innermost detector in ALICE, the Inner Tracking System "impacts" on | |
244 | // almost all other detectors. This involves the fact that the ITS geometry | |
245 | // still has several options to be followed in parallel in order to determine | |
246 | // the best set-up which minimizes the induced background. All the geometries | |
247 | // available to date are described in the following. Read carefully the comments | |
248 | // and use the default version (the only one uncommented) unless you are making | |
249 | // comparisons and you know what you are doing. In this case just uncomment the | |
250 | // ITS geometry you want to use and run Aliroot. | |
251 | // | |
252 | // Detailed geometries: | |
253 | // | |
254 | // | |
255 | // | |
256 | AliITSvPPRasymmFMD *ITS = new AliITSvPPRasymmFMD("ITS","ITS PPR detailed version with asymmetric services"); | |
257 | ITS->SetMinorVersion(2); // don't touch this parameter if you're not an ITS developer | |
258 | ITS->SetReadDet(kTRUE); // don't touch this parameter if you're not an ITS developer | |
259 | // ITS->SetWriteDet("$ALICE_ROOT/ITS/ITSgeometry_vPPRasymm2.det"); // don't touch this parameter if you're not an ITS developer | |
260 | ITS->SetThicknessDet1(200.); // detector thickness on layer 1 must be in the range [100,300] | |
261 | ITS->SetThicknessDet2(200.); // detector thickness on layer 2 must be in the range [100,300] | |
262 | ITS->SetThicknessChip1(200.); // chip thickness on layer 1 must be in the range [150,300] | |
263 | ITS->SetThicknessChip2(200.); // chip thickness on layer 2 must be in the range [150,300] | |
264 | ITS->SetRails(0); // 1 --> rails in ; 0 --> rails out | |
265 | ITS->SetCoolingFluid(1); // 1 --> water ; 0 --> freon | |
266 | ||
267 | ||
268 | // | |
269 | // Coarse geometries (warning: no hits are produced with these coarse geometries and they unuseful | |
270 | // for reconstruction !): | |
271 | // | |
272 | // | |
273 | //AliITSvPPRcoarseasymm *ITS = new AliITSvPPRcoarseasymm("ITS","New ITS PPR coarse version with asymmetric services"); | |
274 | //ITS->SetRails(0); // 1 --> rails in ; 0 --> rails out | |
275 | //ITS->SetSupportMaterial(0); // 0 --> Copper ; 1 --> Aluminum ; 2 --> Carbon | |
276 | // | |
277 | //AliITS *ITS = new AliITSvPPRcoarsesymm("ITS","New ITS PPR coarse version with symmetric services"); | |
278 | //ITS->SetRails(0); // 1 --> rails in ; 0 --> rails out | |
279 | //ITS->SetSupportMaterial(0); // 0 --> Copper ; 1 --> Aluminum ; 2 --> Carbon | |
280 | // | |
281 | // | |
282 | // | |
283 | // Geant3 <-> EUCLID conversion | |
284 | // ============================ | |
285 | // | |
286 | // SetEUCLID is a flag to output (=1) or not to output (=0) both geometry and | |
287 | // media to two ASCII files (called by default ITSgeometry.euc and | |
288 | // ITSgeometry.tme) in a format understandable to the CAD system EUCLID. | |
289 | // The default (=0) means that you dont want to use this facility. | |
290 | // | |
291 | ITS->SetEUCLID(0); | |
292 | } | |
293 | ||
294 | if (iTPC) | |
295 | { | |
296 | //============================ TPC parameters =================== | |
297 | AliTPC *TPC = new AliTPCv2("TPC", "Default"); | |
298 | } | |
299 | ||
300 | ||
301 | if (iTOF) { | |
302 | //=================== TOF parameters ============================ | |
303 | AliTOF *TOF = new AliTOFv5T0("TOF", "normal TOF"); | |
304 | } | |
305 | ||
306 | ||
307 | if (iRICH) | |
308 | { | |
309 | //=================== RICH parameters =========================== | |
310 | AliRICH *RICH = new AliRICHv1("RICH", "normal RICH"); | |
311 | ||
312 | } | |
313 | ||
314 | ||
315 | if (iZDC) | |
316 | { | |
317 | //=================== ZDC parameters ============================ | |
318 | ||
319 | AliZDC *ZDC = new AliZDCv2("ZDC", "normal ZDC"); | |
320 | } | |
321 | ||
322 | if (iTRD) | |
323 | { | |
324 | //=================== TRD parameters ============================ | |
325 | ||
326 | AliTRD *TRD = new AliTRDv1("TRD", "TRD slow simulator"); | |
327 | ||
328 | // Select the gas mixture (0: 97% Xe + 3% isobutane, 1: 90% Xe + 10% CO2) | |
329 | TRD->SetGasMix(1); | |
330 | // Switch on TR | |
331 | AliTRDsim *TRDsim = TRD->CreateTR(); | |
332 | } | |
333 | ||
334 | if (iFMD) | |
335 | { | |
336 | //=================== FMD parameters ============================ | |
337 | AliFMD *FMD = new AliFMDv1("FMD", "normal FMD"); | |
338 | } | |
339 | ||
340 | if (iMUON) | |
341 | { | |
342 | //=================== MUON parameters =========================== | |
343 | // New MUONv1 version (geometry defined via builders) | |
344 | AliMUON *MUON = new AliMUONv1("MUON", "default"); | |
345 | } | |
346 | //=================== PHOS parameters =========================== | |
347 | ||
348 | if (iPHOS) | |
349 | { | |
350 | AliPHOS *PHOS = new AliPHOSv1("PHOS", "IHEP"); | |
351 | } | |
352 | ||
353 | ||
354 | if (iPMD) | |
355 | { | |
356 | //=================== PMD parameters ============================ | |
357 | AliPMD *PMD = new AliPMDv1("PMD", "normal PMD"); | |
358 | } | |
359 | ||
360 | if (iSTART) | |
361 | { | |
362 | //=================== START parameters ============================ | |
363 | AliSTART *START = new AliSTARTv1("START", "START Detector"); | |
364 | } | |
365 | ||
366 | if (iEMCAL) | |
367 | { | |
368 | //=================== EMCAL parameters ============================ | |
369 | AliEMCAL *EMCAL = new AliEMCALv2("EMCAL", "SHISH_77_TRD1_2X2_FINAL_110DEG"); | |
370 | } | |
371 | ||
372 | if (iCRT) | |
373 | { | |
374 | //=================== CRT parameters ============================ | |
375 | AliCRT *CRT = new AliCRTv0("CRT", "normal ACORDE"); | |
376 | } | |
377 | ||
378 | if (iVZERO) | |
379 | { | |
380 | //=================== CRT parameters ============================ | |
381 | AliVZERO *VZERO = new AliVZEROv7("VZERO", "normal VZERO"); | |
382 | } | |
383 | ||
384 | AliLog::Message(AliLog::kInfo, "End of Config", "Config.C", "Config.C", "Config()"," Config.C", __LINE__); | |
385 | ||
386 | } | |
387 | ||
388 | Float_t EtaToTheta(Float_t arg){ | |
389 | return (180./TMath::Pi())*2.*atan(exp(-arg)); | |
390 | } |