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8bca48db | 1 | enum PprMag_t |
2 | {k2kG, k4kG, k5kG}; | |
3 | ||
4 | static PprMag_t smag = k2kG; // k2kG->L3 field 0.2T | |
5 | //static PprMag_t smag = k4kG; // k4kG->L3 field 0.4T | |
6 | //static PprMag_t smag = k5kG; // k5kG->L3 field 0.5T | |
a5abc835 | 7 | |
8 | Float_t EtaToTheta(Float_t arg); | |
9 | static Int_t eventsPerRun = 100; | |
8bca48db | 10 | |
a5abc835 | 11 | enum PprGeo_t |
8bca48db | 12 | {kHoles, kNoHoles}; |
13 | static PprGeo_t sgeo = kHoles; | |
a5abc835 | 14 | |
15 | void Config() | |
16 | { | |
17 | // ThetaRange is (0., 180.). It was (0.28,179.72) 7/12/00 09:00 | |
18 | // Theta range given through pseudorapidity limits 22/6/2001 | |
19 | ||
20 | // Set Random Number seed | |
8bca48db | 21 | gRandom->SetSeed(9956646); // Set 0 to use the current time |
a5abc835 | 22 | cout<<"Seed for random number generation= "<<gRandom->GetSeed()<<endl; |
23 | ||
24 | ||
25 | // libraries required by geant321 | |
26 | #if defined(__CINT__) | |
27 | gSystem->Load("libgeant321"); | |
28 | #endif | |
29 | ||
30 | new TGeant3("C++ Interface to Geant3"); | |
31 | ||
32 | AliRunLoader* rl=0x0; | |
33 | ||
34 | cout<<"Config.C: Creating Run Loader ..."<<endl; | |
35 | rl = AliRunLoader::Open("galice.root", | |
f5a857b2 | 36 | AliConfig::GetDefaultEventFolderName(), |
a5abc835 | 37 | "recreate"); |
8bca48db | 38 | if (rl == 0x0){ |
a5abc835 | 39 | gAlice->Fatal("Config.C","Can not instatiate the Run Loader"); |
40 | return; | |
8bca48db | 41 | } |
a5abc835 | 42 | rl->SetCompressionLevel(2); |
43 | rl->SetNumberOfEventsPerFile(3); | |
44 | gAlice->SetRunLoader(rl); | |
8bca48db | 45 | //gAlice->SetDebug(1); |
a5abc835 | 46 | |
47 | // | |
48 | // Set External decayer | |
8bca48db | 49 | AliDecayer *decayer = new AliDecayerPythia(); |
a5abc835 | 50 | |
51 | decayer->SetForceDecay(kAll); | |
52 | decayer->Init(); | |
53 | gMC->SetExternalDecayer(decayer); | |
54 | //======================================================================= | |
55 | // ************* STEERING parameters FOR ALICE SIMULATION ************** | |
56 | // --- Specify event type to be tracked through the ALICE setup | |
57 | // --- All positions are in cm, angles in degrees, and P and E in GeV | |
8bca48db | 58 | // |
59 | ((TGeant3*)gMC)->SetDEBU(1, 2, 1); | |
a5abc835 | 60 | ((TGeant3*)gMC)->SetSWIT(4,10); |
61 | ((TGeant3*)gMC)->SetSWIT(2,2); | |
8bca48db | 62 | ((TGeant3*)gMC)->SetSWIT(2,1); // to draw tracks |
a5abc835 | 63 | |
64 | gMC->SetProcess("DCAY",1); | |
65 | gMC->SetProcess("PAIR",1); | |
66 | gMC->SetProcess("COMP",1); | |
67 | gMC->SetProcess("PHOT",1); | |
68 | gMC->SetProcess("PFIS",0); | |
69 | gMC->SetProcess("DRAY",0); | |
70 | gMC->SetProcess("ANNI",1); | |
71 | gMC->SetProcess("BREM",1); | |
72 | gMC->SetProcess("MUNU",1); | |
73 | gMC->SetProcess("CKOV",1); | |
74 | //gMC->SetProcess("HADR",1); | |
8bca48db | 75 | gMC->SetProcess("HADR",0); // If option NoShower() is switched on |
a5abc835 | 76 | gMC->SetProcess("LOSS",2); |
77 | gMC->SetProcess("MULS",1); | |
78 | gMC->SetProcess("RAYL",1); | |
79 | ||
80 | Float_t cut = 1.e-3; // 1MeV cut by default | |
81 | Float_t tofmax = 1.e10; | |
82 | ||
83 | gMC->SetCut("CUTGAM", cut); | |
84 | gMC->SetCut("CUTELE", cut); | |
85 | gMC->SetCut("CUTNEU", cut); | |
86 | gMC->SetCut("CUTHAD", cut); | |
87 | gMC->SetCut("CUTMUO", cut); | |
88 | gMC->SetCut("BCUTE", cut); | |
89 | gMC->SetCut("BCUTM", cut); | |
90 | gMC->SetCut("DCUTE", cut); | |
91 | gMC->SetCut("DCUTM", cut); | |
92 | gMC->SetCut("PPCUTM", cut); | |
93 | gMC->SetCut("TOFMAX", tofmax); | |
94 | ||
95 | ||
96 | int nParticles = 100; | |
97 | if (gSystem->Getenv("CONFIG_NPARTICLES")) | |
98 | nParticles = atoi(gSystem->Getenv("CONFIG_NPARTICLES")); | |
99 | ||
100 | ||
101 | // #### AliGenZDC generation ###################################### | |
102 | AliGenZDC *gener = new AliGenZDC(); | |
8bca48db | 103 | gener->SetOrigin(0, 0, 0); // vertex position |
a5abc835 | 104 | //gener->SetParticle(kNeutron); |
105 | gener->SetParticle(kProton); | |
106 | gener->SetMomentum(2760.); | |
107 | gener->SetDirection(0.,0.,0.,-1.); | |
8bca48db | 108 | gener->SetFermi(1); // Fermi momentum |
109 | //gener->SetDiv(0.,0.,2); // Divergence and crossing angle | |
110 | gener->SetDiv(0.000032,0.0001,2); // Divergence and crossing angle | |
111 | gener->SetDebug(2); | |
a5abc835 | 112 | // |
113 | gener->SetTrackingFlag(1); | |
114 | gener->Init(); | |
115 | ||
116 | // | |
117 | // Activate this line if you want the vertex smearing to happen | |
118 | // track by track | |
119 | // | |
120 | //gener->SetVertexSmear(perTrack); | |
8bca48db | 121 | // Magnetic field |
122 | AliMagFMaps* field = new AliMagFMaps("Maps","Maps", 2, 1., 10., smag); | |
123 | field->SetL3ConstField(0); //Using const. field in the barrel | |
124 | rl->CdGAFile(); | |
a5abc835 | 125 | gAlice->SetField(field); |
126 | ||
127 | Int_t iABSO = 1; | |
128 | Int_t iDIPO = 1; | |
129 | Int_t iFMD = 0; | |
130 | Int_t iFRAME = 0; | |
131 | Int_t iHALL = 0; | |
132 | Int_t iITS = 0; | |
8bca48db | 133 | Int_t iMAG = 1; |
a5abc835 | 134 | Int_t iMUON = 0; |
135 | Int_t iPHOS = 0; | |
136 | Int_t iPIPE = 1; | |
137 | Int_t iPMD = 0; | |
138 | Int_t iRICH = 0; | |
139 | Int_t iSHIL = 1; | |
140 | Int_t iSTART = 0; | |
141 | Int_t iTOF = 0; | |
142 | Int_t iTPC = 0; | |
143 | Int_t iTRD = 0; | |
144 | Int_t iZDC = 1; | |
145 | Int_t iEMCAL = 0; | |
146 | Int_t iCRT = 0; | |
147 | Int_t iVZERO = 0; | |
8bca48db | 148 | |
a5abc835 | 149 | //=================== Alice BODY parameters ============================= |
150 | AliBODY *BODY = new AliBODY("BODY", "Alice envelop"); | |
151 | ||
8bca48db | 152 | |
a5abc835 | 153 | if (iMAG) |
154 | { | |
155 | //=================== MAG parameters ============================ | |
156 | // --- Start with Magnet since detector layouts may be depending --- | |
157 | // --- on the selected Magnet dimensions --- | |
158 | AliMAG *MAG = new AliMAG("MAG", "Magnet"); | |
159 | } | |
160 | ||
161 | ||
162 | if (iABSO) | |
163 | { | |
164 | //=================== ABSO parameters ============================ | |
165 | AliABSO *ABSO = new AliABSOv0("ABSO", "Muon Absorber"); | |
166 | } | |
167 | ||
168 | if (iDIPO) | |
169 | { | |
170 | //=================== DIPO parameters ============================ | |
171 | ||
172 | AliDIPO *DIPO = new AliDIPOv2("DIPO", "Dipole version 2"); | |
173 | } | |
174 | ||
175 | if (iHALL) | |
176 | { | |
177 | //=================== HALL parameters ============================ | |
178 | ||
179 | AliHALL *HALL = new AliHALL("HALL", "Alice Hall"); | |
180 | } | |
181 | ||
182 | ||
183 | if (iFRAME) | |
184 | { | |
185 | //=================== FRAME parameters ============================ | |
186 | ||
187 | AliFRAMEv2 *FRAME = new AliFRAMEv2("FRAME", "Space Frame"); | |
8bca48db | 188 | if (sgeo == kHoles) { |
a5abc835 | 189 | FRAME->SetHoles(1); |
190 | } else { | |
191 | FRAME->SetHoles(0); | |
192 | } | |
193 | } | |
194 | ||
195 | if (iSHIL) | |
196 | { | |
197 | //=================== SHIL parameters ============================ | |
198 | ||
199 | AliSHIL *SHIL = new AliSHILv2("SHIL", "Shielding Version 2"); | |
200 | } | |
201 | ||
202 | ||
203 | if (iPIPE) | |
204 | { | |
205 | //=================== PIPE parameters ============================ | |
206 | ||
207 | AliPIPE *PIPE = new AliPIPEv0("PIPE", "Beam Pipe"); | |
208 | } | |
209 | ||
210 | if(iITS) { | |
211 | ||
212 | //=================== ITS parameters ============================ | |
213 | // | |
214 | // As the innermost detector in ALICE, the Inner Tracking System "impacts" on | |
215 | // almost all other detectors. This involves the fact that the ITS geometry | |
216 | // still has several options to be followed in parallel in order to determine | |
217 | // the best set-up which minimizes the induced background. All the geometries | |
218 | // available to date are described in the following. Read carefully the comments | |
219 | // and use the default version (the only one uncommented) unless you are making | |
220 | // comparisons and you know what you are doing. In this case just uncomment the | |
221 | // ITS geometry you want to use and run Aliroot. | |
222 | // | |
223 | // Detailed geometries: | |
224 | // | |
225 | // | |
8bca48db | 226 | //AliITS *ITS = new AliITSv5symm("ITS","Updated ITS TDR detailed version with symmetric services"); |
227 | // | |
228 | //AliITS *ITS = new AliITSv5asymm("ITS","Updates ITS TDR detailed version with asymmetric services"); | |
a5abc835 | 229 | // |
8bca48db | 230 | AliITSvPPRasymmFMD *ITS = new AliITSvPPRasymmFMD("ITS","New ITS PPR detailed version with asymmetric services"); |
a5abc835 | 231 | ITS->SetMinorVersion(2); // don't touch this parameter if you're not an ITS developer |
232 | ITS->SetReadDet(kTRUE); // don't touch this parameter if you're not an ITS developer | |
8bca48db | 233 | // ITS->SetWriteDet("$ALICE_ROOT/ITS/ITSgeometry_vPPRasymm2.det"); // don't touch this parameter if you're not an ITS developer |
a5abc835 | 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] | |
8bca48db | 238 | ITS->SetRails(0); // 1 --> rails in ; 0 --> rails out |
239 | ITS->SetCoolingFluid(1); // 1 --> water ; 0 --> freon | |
a5abc835 | 240 | |
a5abc835 | 241 | // Coarse geometries (warning: no hits are produced with these coarse geometries and they unuseful |
242 | // for reconstruction !): | |
243 | // | |
244 | // | |
245 | //AliITSvPPRcoarseasymm *ITS = new AliITSvPPRcoarseasymm("ITS","New ITS PPR coarse version with asymmetric services"); | |
246 | //ITS->SetRails(0); // 1 --> rails in ; 0 --> rails out | |
247 | //ITS->SetSupportMaterial(0); // 0 --> Copper ; 1 --> Aluminum ; 2 --> Carbon | |
248 | // | |
249 | //AliITS *ITS = new AliITSvPPRcoarsesymm("ITS","New ITS PPR coarse version with symmetric services"); | |
250 | //ITS->SetRails(0); // 1 --> rails in ; 0 --> rails out | |
251 | //ITS->SetSupportMaterial(0); // 0 --> Copper ; 1 --> Aluminum ; 2 --> Carbon | |
252 | // | |
253 | // | |
254 | // | |
255 | // Geant3 <-> EUCLID conversion | |
256 | // ============================ | |
257 | // | |
258 | // SetEUCLID is a flag to output (=1) or not to output (=0) both geometry and | |
259 | // media to two ASCII files (called by default ITSgeometry.euc and | |
260 | // ITSgeometry.tme) in a format understandable to the CAD system EUCLID. | |
261 | // The default (=0) means that you dont want to use this facility. | |
262 | // | |
8bca48db | 263 | ITS->SetEUCLID(0); |
a5abc835 | 264 | } |
265 | ||
266 | if (iTPC) | |
267 | { | |
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 | ||
288 | // All sectors included | |
a5abc835 | 289 | TPC->SetSecAL(-1); |
8bca48db | 290 | TPC->SetSecAU(-1); |
291 | ||
a5abc835 | 292 | } |
293 | ||
294 | ||
295 | if (iTOF) { | |
a5abc835 | 296 | //=================== TOF parameters ============================ |
8bca48db | 297 | AliTOF *TOF = new AliTOFv4T0("TOF", "normal TOF"); |
a5abc835 | 298 | } |
299 | ||
300 | ||
301 | if (iRICH) | |
302 | { | |
303 | //=================== RICH parameters =========================== | |
8bca48db | 304 | AliRICH *RICH = new AliRICHv1("RICH", "normal RICH"); |
a5abc835 | 305 | |
306 | } | |
307 | ||
308 | ||
309 | if (iZDC) | |
310 | { | |
311 | //=================== ZDC parameters ============================ | |
312 | ||
313 | AliZDC *ZDC = new AliZDCv2("ZDC", "normal ZDC"); | |
314 | ZDC->NoShower(); | |
315 | } | |
316 | ||
317 | if (iTRD) | |
318 | { | |
319 | //=================== TRD parameters ============================ | |
320 | ||
321 | AliTRD *TRD = new AliTRDv1("TRD", "TRD slow simulator"); | |
322 | ||
323 | // Select the gas mixture (0: 97% Xe + 3% isobutane, 1: 90% Xe + 10% CO2) | |
324 | TRD->SetGasMix(1); | |
8bca48db | 325 | if (sgeo == kHoles) { |
a5abc835 | 326 | // With hole in front of PHOS |
327 | TRD->SetPHOShole(); | |
328 | // With hole in front of RICH | |
329 | TRD->SetRICHhole(); | |
330 | } | |
331 | // Switch on TR | |
332 | AliTRDsim *TRDsim = TRD->CreateTR(); | |
333 | } | |
334 | ||
335 | if (iFMD) | |
336 | { | |
337 | //=================== FMD parameters ============================ | |
338 | AliFMD *FMD = new AliFMDv1("FMD", "normal FMD"); | |
339 | } | |
340 | ||
341 | if (iMUON) | |
342 | { | |
343 | //=================== MUON parameters =========================== | |
344 | ||
345 | AliMUON *MUON = new AliMUONv1("MUON", "default"); | |
8bca48db | 346 | MUON->AddGeometryBuilder(new AliMUONSt1GeometryBuilderV2(MUON)); |
347 | MUON->AddGeometryBuilder(new AliMUONSt2GeometryBuilder(MUON)); | |
348 | MUON->AddGeometryBuilder(new AliMUONSlatGeometryBuilder(MUON)); | |
349 | MUON->AddGeometryBuilder(new AliMUONTriggerGeometryBuilder(MUON)); | |
a5abc835 | 350 | } |
351 | //=================== PHOS parameters =========================== | |
352 | ||
353 | if (iPHOS) | |
354 | { | |
355 | AliPHOS *PHOS = new AliPHOSv1("PHOS", "IHEP"); | |
356 | } | |
357 | ||
358 | ||
359 | if (iPMD) | |
360 | { | |
361 | //=================== PMD parameters ============================ | |
362 | AliPMD *PMD = new AliPMDv1("PMD", "normal PMD"); | |
363 | } | |
364 | ||
365 | if (iSTART) | |
366 | { | |
367 | //=================== START parameters ============================ | |
368 | AliSTART *START = new AliSTARTv1("START", "START Detector"); | |
369 | } | |
370 | ||
371 | if (iEMCAL) | |
372 | { | |
373 | //=================== EMCAL parameters ============================ | |
8bca48db | 374 | AliEMCAL *EMCAL = new AliEMCALv1("EMCAL", "EMCAL_55_25"); |
a5abc835 | 375 | } |
376 | ||
377 | if (iCRT) | |
378 | { | |
379 | //=================== CRT parameters ============================ | |
380 | AliCRT *CRT = new AliCRTv0("CRT", "normal ACORDE"); | |
381 | } | |
382 | ||
383 | if (iVZERO) | |
384 | { | |
385 | //=================== CRT parameters ============================ | |
386 | AliVZERO *VZERO = new AliVZEROv2("VZERO", "normal VZERO"); | |
387 | } | |
388 | ||
389 | cout << "End of Config.C" << endl; | |
390 | ||
391 | } | |
392 | ||
393 | Float_t EtaToTheta(Float_t arg){ | |
394 | return (180./TMath::Pi())*2.*atan(exp(-arg)); | |
395 | } |