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ddec5749 | 1 | static Int_t eventsPerRun = 100; |
2 | enum PprGeo_t | |
3 | { | |
4 | kHoles, kNoHoles | |
5 | }; | |
6 | static PprGeo_t geo = kHoles; | |
7 | ||
8 | void Config() | |
9 | { | |
10 | // 7-DEC-2000 09:00 | |
11 | // Switch on Transition Radiation simulation. 6/12/00 18:00 | |
12 | // iZDC=1 7/12/00 09:00 | |
13 | // ThetaRange is (0., 180.). It was (0.28,179.72) 7/12/00 09:00 | |
14 | // Theta range given through pseudorapidity limits 22/6/2001 | |
15 | ||
16 | ||
17 | ||
18 | ||
19 | // Set Random Number seed | |
20 | // gRandom->SetSeed(12345); | |
21 | TDatime dt; | |
22 | UInt_t curtime=dt.Get(); | |
23 | UInt_t procid=gSystem->GetPid(); | |
24 | UInt_t seed=curtime-procid; | |
25 | gRandom->SetSeed(seed); | |
26 | cerr<<"Seed for random number generation= "<<seed<<endl; | |
27 | cout<<"Seed for random number generation= "<<seed<<endl; | |
28 | ||
29 | ||
30 | new AliGeant3("C++ Interface to Geant3"); | |
31 | ||
32 | if (!gSystem->Getenv("CONFIG_FILE")) | |
33 | { | |
34 | TFile *rootfile = new TFile("galice.root", "recreate"); | |
35 | ||
36 | rootfile->SetCompressionLevel(2); | |
37 | } | |
38 | ||
39 | TGeant3 *geant3 = (TGeant3 *) gMC; | |
40 | ||
41 | // | |
42 | // Set External decayer | |
43 | AliDecayer *decayer = new AliDecayerPythia(); | |
44 | ||
45 | decayer->SetForceDecay(kAll); | |
46 | decayer->Init(); | |
47 | gMC->SetExternalDecayer(decayer); | |
48 | // | |
49 | // | |
50 | //======================================================================= | |
51 | // ******* GEANT STEERING parameters FOR ALICE SIMULATION ******* | |
52 | geant3->SetTRIG(1); //Number of events to be processed | |
53 | geant3->SetSWIT(4, 10); | |
54 | geant3->SetDEBU(0, 0, 1); | |
55 | //geant3->SetSWIT(2,2); | |
56 | geant3->SetDCAY(1); | |
57 | geant3->SetPAIR(1); | |
58 | geant3->SetCOMP(1); | |
59 | geant3->SetPHOT(1); | |
60 | geant3->SetPFIS(0); | |
61 | geant3->SetDRAY(0); | |
62 | geant3->SetANNI(1); | |
63 | geant3->SetBREM(1); | |
64 | geant3->SetMUNU(1); | |
65 | geant3->SetCKOV(1); | |
66 | geant3->SetHADR(4); //Select pure GEANH (HADR 1) or GEANH/NUCRIN (HADR 3) | |
67 | geant3->SetLOSS(2); | |
68 | geant3->SetMULS(1); | |
69 | geant3->SetRAYL(1); | |
70 | geant3->SetAUTO(1); //Select automatic STMIN etc... calc. (AUTO 1) or manual (AUTO 0) | |
71 | geant3->SetABAN(0); //Restore 3.16 behaviour for abandoned tracks | |
72 | geant3->SetOPTI(2); //Select optimisation level for GEANT geometry searches (0,1,2) | |
73 | geant3->SetERAN(5.e-7); | |
74 | ||
75 | Float_t cut = 1.e-3; // 1MeV cut by default | |
76 | Float_t tofmax = 1.e10; | |
77 | ||
78 | // GAM ELEC NHAD CHAD MUON EBREM MUHAB EDEL MUDEL MUPA TOFMAX | |
79 | geant3->SetCUTS(cut, cut, cut, cut, cut, cut, cut, cut, cut, cut, | |
80 | tofmax); | |
81 | // | |
82 | //======================================================================= | |
83 | // ************* STEERING parameters FOR ALICE SIMULATION ************** | |
84 | // --- Specify event type to be tracked through the ALICE setup | |
85 | // --- All positions are in cm, angles in degrees, and P and E in GeV | |
86 | if (gSystem->Getenv("CONFIG_NPARTICLES")) | |
87 | { | |
88 | int nParticles = atoi(gSystem->Getenv("CONFIG_NPARTICLES")); | |
89 | } else | |
90 | { | |
91 | int nParticles = 50; | |
92 | } | |
93 | ||
94 | AliGenCRT *gener = new AliGenCRT(); // One generation per event | |
95 | //TF1* zenithFunc = new TF1("zenith","1/cos(x)", 0. 65.); | |
96 | //gener->SetZenithalDistributionFunction(zenithFunc); | |
97 | //Float_t tend = 65.*TMath::Pi()/180.; | |
98 | //TF1* momFunc = new TF1("momFunc", "x", 10., 1000.); | |
99 | //gener->SetMomentumDistrubutionFunction(momFunc); | |
100 | gener->SetZenithalAngleRange(0., 65.); | |
101 | gener->SetAzimuthalAngleRange(0., 359.); | |
102 | gener->SetMomentumResolution(1.); // GeVs | |
103 | gener->SetSigma(0,0,0); // Sigma for smearing | |
104 | gener->SetMomentumRange(10., 1000.); // in GeVs. | |
105 | ||
106 | gener->SetPart(kMuonMinus); | |
107 | // Two choices: | |
108 | // kMuonMinus | |
109 | // kMuonPlus | |
110 | ||
111 | //gener->SetMode(kSingleMuons);// Single muons | |
112 | //gener->SetMode(kMuonBundle); | |
113 | gener->SetMode(kMuonFlux); | |
114 | // three choises | |
115 | // kSingleMuons | |
116 | // kMuonBundle | |
117 | // kMuonFlux <- Not available, yet | |
118 | ||
119 | // If you choose kMuonBundle, you should set how many particles do you | |
120 | // want and in wich region should the muons be generated, for instance | |
121 | // if you want to generate n^2 muons, in a square of side 300 cm | |
122 | //gener->SetRange(4, 300., 4, 300.); | |
123 | ||
124 | //gener->SetVertexSmear(kPerEvent); // Set the smearing per Event | |
125 | ||
126 | gener->Init(); // Intialize the generator. | |
127 | ||
128 | // Set the tracking limits to include the Molasse | |
129 | gAlice->TrackingLimits( 5000, 5000); | |
130 | ||
131 | // | |
132 | // Activate this line if you want the vertex smearing to happen | |
133 | // track by track | |
134 | // | |
135 | //gener->SetVertexSmear(perTrack); | |
136 | // Field (L3 0.4 T) | |
137 | AliMagFMaps* field = new AliMagFMaps("Maps","Maps", 2, 1., 10., 1); | |
138 | rootfile->cd(); | |
139 | gAlice->SetField(field); | |
140 | ||
141 | ||
142 | Int_t iABSO = 0; | |
143 | Int_t iDIPO = 0; | |
144 | Int_t iFMD = 0; | |
145 | Int_t iFRAME = 0; | |
146 | Int_t iHALL = 0; | |
147 | Int_t iITS = 0; | |
148 | Int_t iMAG = 0; | |
149 | Int_t iMUON = 0; | |
150 | Int_t iPHOS = 0; | |
151 | Int_t iPIPE = 0; | |
152 | Int_t iPMD = 0; | |
153 | Int_t iRICH = 0; | |
154 | Int_t iSHIL = 0; | |
155 | Int_t iSTART = 0; | |
156 | Int_t iTOF = 0; | |
157 | Int_t iTPC = 0; | |
158 | Int_t iTRD = 0; | |
159 | Int_t iZDC = 0; | |
160 | Int_t iEMCAL = 0; | |
161 | Int_t iCRT = 1; | |
162 | Int_t iVZERO = 0; | |
163 | ||
164 | //=================== Alice BODY parameters ============================= | |
165 | AliBODY *BODY = new AliBODY("BODY", "Alice envelop"); | |
166 | ||
167 | if (iMAG) | |
168 | { | |
169 | //=================== MAG parameters ============================ | |
170 | // --- Start with Magnet since detector layouts may be depending --- | |
171 | // --- on the selected Magnet dimensions --- | |
172 | AliMAG *MAG = new AliMAG("MAG", "Magnet"); | |
173 | } | |
174 | ||
175 | ||
176 | if (iABSO) | |
177 | { | |
178 | //=================== ABSO parameters ============================ | |
179 | AliABSO *ABSO = new AliABSOv0("ABSO", "Muon Absorber"); | |
180 | } | |
181 | ||
182 | if (iDIPO) | |
183 | { | |
184 | //=================== DIPO parameters ============================ | |
185 | ||
186 | AliDIPO *DIPO = new AliDIPOv2("DIPO", "Dipole version 2"); | |
187 | } | |
188 | ||
189 | if (iHALL) | |
190 | { | |
191 | //=================== HALL parameters ============================ | |
192 | ||
193 | AliHALL *HALL = new AliHALL("HALL", "Alice Hall"); | |
194 | } | |
195 | ||
196 | ||
197 | if (iFRAME) | |
198 | { | |
199 | //=================== FRAME parameters ============================ | |
200 | ||
201 | AliFRAMEv2 *FRAME = new AliFRAMEv2("FRAME", "Space Frame"); | |
202 | if (geo == kHoles) { | |
203 | FRAME->SetHoles(1); | |
204 | } else { | |
205 | FRAME->SetHoles(0); | |
206 | } | |
207 | } | |
208 | ||
209 | if (iSHIL) | |
210 | { | |
211 | //=================== SHIL parameters ============================ | |
212 | ||
213 | AliSHIL *SHIL = new AliSHILv2("SHIL", "Shielding Version 2"); | |
214 | } | |
215 | ||
216 | ||
217 | if (iPIPE) | |
218 | { | |
219 | //=================== PIPE parameters ============================ | |
220 | ||
221 | AliPIPE *PIPE = new AliPIPEv0("PIPE", "Beam Pipe"); | |
222 | } | |
223 | ||
224 | if(iITS) { | |
225 | ||
226 | //=================== ITS parameters ============================ | |
227 | // | |
228 | // As the innermost detector in ALICE, the Inner Tracking System "impacts" on | |
229 | // almost all other detectors. This involves the fact that the ITS geometry | |
230 | // still has several options to be followed in parallel in order to determine | |
231 | // the best set-up which minimizes the induced background. All the geometries | |
232 | // available to date are described in the following. Read carefully the comments | |
233 | // and use the default version (the only one uncommented) unless you are making | |
234 | // comparisons and you know what you are doing. In this case just uncomment the | |
235 | // ITS geometry you want to use and run Aliroot. | |
236 | // | |
237 | // Detailed geometries: | |
238 | // | |
239 | // | |
240 | //AliITS *ITS = new AliITSv5symm("ITS","Updated ITS TDR detailed version with symmetric services"); | |
241 | // | |
242 | //AliITS *ITS = new AliITSv5asymm("ITS","Updates ITS TDR detailed version with asymmetric services"); | |
243 | // | |
244 | AliITSvPPRasymm *ITS = new AliITSvPPRasymm("ITS","New ITS PPR detailed version with asymmetric services"); | |
245 | ITS->SetMinorVersion(2); // don't touch this parameter if you're not an ITS developer | |
246 | ITS->SetReadDet(kFALSE); // don't touch this parameter if you're not an ITS developer | |
247 | // ITS->SetWriteDet("$ALICE_ROOT/ITS/ITSgeometry_vPPRasymm2.det"); // don't touch this parameter if you're not an ITS developer | |
248 | ITS->SetThicknessDet1(200.); // detector thickness on layer 1 must be in the range [100,300] | |
249 | ITS->SetThicknessDet2(200.); // detector thickness on layer 2 must be in the range [100,300] | |
250 | ITS->SetThicknessChip1(200.); // chip thickness on layer 1 must be in the range [150,300] | |
251 | ITS->SetThicknessChip2(200.); // chip thickness on layer 2 must be in the range [150,300] | |
252 | ITS->SetRails(0); // 1 --> rails in ; 0 --> rails out | |
253 | ITS->SetCoolingFluid(1); // 1 --> water ; 0 --> freon | |
254 | // | |
255 | //AliITSvPPRsymm *ITS = new AliITSvPPRsymm("ITS","New ITS PPR detailed version with symmetric services"); | |
256 | //ITS->SetMinorVersion(2); // don't touch this parameter if you're not an ITS developer | |
257 | //ITS->SetReadDet(kFALSE); // don't touch this parameter if you're not an ITS developer | |
258 | //ITS->SetWriteDet("$ALICE_ROOT/ITS/ITSgeometry_vPPRsymm2.det"); // don't touch this parameter if you're not an ITS developer | |
259 | //ITS->SetThicknessDet1(200.); // detector thickness on layer 1 must be in the range [100,300] | |
260 | //ITS->SetThicknessDet2(200.); // detector thickness on layer 2 must be in the range [100,300] | |
261 | //ITS->SetThicknessChip1(200.); // chip thickness on layer 1 must be in the range [150,300] | |
262 | //ITS->SetThicknessChip2(200.); // chip thickness on layer 2 must be in the range [150,300] | |
263 | //ITS->SetRails(0); // 1 --> rails in ; 0 --> rails out | |
264 | //ITS->SetCoolingFluid(1); // 1 --> water ; 0 --> freon | |
265 | // | |
266 | // | |
267 | // Coarse geometries (warning: no hits are produced with these coarse geometries and they unuseful | |
268 | // for reconstruction !): | |
269 | // | |
270 | // | |
271 | //AliITSvPPRcoarseasymm *ITS = new AliITSvPPRcoarseasymm("ITS","New ITS PPR coarse version with asymmetric services"); | |
272 | //ITS->SetRails(0); // 1 --> rails in ; 0 --> rails out | |
273 | //ITS->SetSupportMaterial(0); // 0 --> Copper ; 1 --> Aluminum ; 2 --> Carbon | |
274 | // | |
275 | //AliITS *ITS = new AliITSvPPRcoarsesymm("ITS","New ITS PPR coarse version with symmetric services"); | |
276 | //ITS->SetRails(0); // 1 --> rails in ; 0 --> rails out | |
277 | //ITS->SetSupportMaterial(0); // 0 --> Copper ; 1 --> Aluminum ; 2 --> Carbon | |
278 | // | |
279 | // | |
280 | // | |
281 | // Geant3 <-> EUCLID conversion | |
282 | // ============================ | |
283 | // | |
284 | // SetEUCLID is a flag to output (=1) or not to output (=0) both geometry and | |
285 | // media to two ASCII files (called by default ITSgeometry.euc and | |
286 | // ITSgeometry.tme) in a format understandable to the CAD system EUCLID. | |
287 | // The default (=0) means that you dont want to use this facility. | |
288 | // | |
289 | ITS->SetEUCLID(0); | |
290 | } | |
291 | ||
292 | if (iTPC) | |
293 | { | |
294 | //============================ TPC parameters ================================ | |
295 | // --- This allows the user to specify sectors for the SLOW (TPC geometry 2) | |
296 | // --- Simulator. SecAL (SecAU) <0 means that ALL lower (upper) | |
297 | // --- sectors are specified, any value other than that requires at least one | |
298 | // --- sector (lower or upper)to be specified! | |
299 | // --- Reminder: sectors 1-24 are lower sectors (1-12 -> z>0, 13-24 -> z<0) | |
300 | // --- sectors 25-72 are the upper ones (25-48 -> z>0, 49-72 -> z<0) | |
301 | // --- SecLows - number of lower sectors specified (up to 6) | |
302 | // --- SecUps - number of upper sectors specified (up to 12) | |
303 | // --- Sens - sensitive strips for the Slow Simulator !!! | |
304 | // --- This does NOT work if all S or L-sectors are specified, i.e. | |
305 | // --- if SecAL or SecAU < 0 | |
306 | // | |
307 | // | |
308 | //----------------------------------------------------------------------------- | |
309 | ||
310 | // gROOT->LoadMacro("SetTPCParam.C"); | |
311 | // AliTPCParam *param = SetTPCParam(); | |
312 | AliTPC *TPC = new AliTPCv2("TPC", "Default"); | |
313 | ||
314 | // All sectors included | |
315 | TPC->SetSecAL(-1); | |
316 | TPC->SetSecAU(-1); | |
317 | ||
318 | } | |
319 | ||
320 | ||
321 | if (iTOF) { | |
322 | if (geo == kHoles) { | |
323 | //=================== TOF parameters ============================ | |
324 | AliTOF *TOF = new AliTOFv2FHoles("TOF", "TOF with Holes"); | |
325 | } else { | |
326 | AliTOF *TOF = new AliTOFv4T0("TOF", "normal TOF"); | |
327 | } | |
328 | } | |
329 | ||
330 | ||
331 | if (iRICH) | |
332 | { | |
333 | //=================== RICH parameters =========================== | |
334 | AliRICH *RICH = new AliRICHv3("RICH", "normal RICH"); | |
335 | ||
336 | } | |
337 | ||
338 | ||
339 | if (iZDC) | |
340 | { | |
341 | //=================== ZDC parameters ============================ | |
342 | ||
343 | AliZDC *ZDC = new AliZDCv2("ZDC", "normal ZDC"); | |
344 | } | |
345 | ||
346 | if (iTRD) | |
347 | { | |
348 | //=================== TRD parameters ============================ | |
349 | ||
350 | AliTRD *TRD = new AliTRDv1("TRD", "TRD slow simulator"); | |
351 | ||
352 | // Select the gas mixture (0: 97% Xe + 3% isobutane, 1: 90% Xe + 10% CO2) | |
353 | TRD->SetGasMix(1); | |
354 | if (geo == kHoles) { | |
355 | // With hole in front of PHOS | |
356 | TRD->SetPHOShole(); | |
357 | // With hole in front of RICH | |
358 | TRD->SetRICHhole(); | |
359 | } | |
360 | // Switch on TR | |
361 | AliTRDsim *TRDsim = TRD->CreateTR(); | |
362 | } | |
363 | ||
364 | if (iFMD) | |
365 | { | |
366 | //=================== FMD parameters ============================ | |
367 | AliFMD *FMD = new AliFMDv1("FMD", "normal FMD"); | |
368 | FMD->SetRingsSi1(256); | |
369 | FMD->SetRingsSi2(128); | |
370 | FMD->SetSectorsSi1(20); | |
371 | FMD->SetSectorsSi2(40); | |
372 | } | |
373 | ||
374 | if (iMUON) | |
375 | { | |
376 | //=================== MUON parameters =========================== | |
377 | ||
378 | AliMUON *MUON = new AliMUONv1("MUON", "default"); | |
379 | } | |
380 | //=================== PHOS parameters =========================== | |
381 | ||
382 | if (iPHOS) | |
383 | { | |
384 | AliPHOS *PHOS = new AliPHOSv1("PHOS", "IHEP"); | |
385 | } | |
386 | ||
387 | ||
388 | if (iPMD) | |
389 | { | |
390 | //=================== PMD parameters ============================ | |
391 | AliPMD *PMD = new AliPMDv1("PMD", "normal PMD"); | |
392 | } | |
393 | ||
394 | if (iSTART) | |
395 | { | |
396 | //=================== START parameters ============================ | |
397 | AliSTART *START = new AliSTARTv1("START", "START Detector"); | |
398 | } | |
399 | ||
400 | if (iEMCAL) | |
401 | { | |
402 | //=================== EMCAL parameters ============================ | |
403 | AliEMCAL *EMCAL = new AliEMCALv1("EMCAL", "EMCALArch1a"); | |
404 | } | |
405 | ||
406 | if (iCRT) | |
407 | { | |
408 | //=================== CRT parameters ============================ | |
409 | //AliCRT *CRT = new AliCRTv0("CRT", "normal ACORDE"); | |
410 | AliCRT* CRT = new AliCRTv1("CRT", "Special version Only with the CRT"); | |
411 | } | |
412 | ||
413 | if (iVZERO) | |
414 | { | |
415 | //=================== CRT parameters ============================ | |
416 | AliVZERO *VZERO = new AliVZEROv2("VZERO", "normal VZERO"); | |
417 | } | |
418 | ||
419 | } | |
420 | ||
421 | Float_t EtaToTheta(Float_t arg){ | |
422 | return (180./TMath::Pi())*2.*atan(exp(-arg)); | |
423 | } |