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1 | // $Id$ |
2 | // |
3 | // AliRoot Configuration for running aliroot with Monte Carlo. |
4 | // Called from g4Config.C |
5 | |
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6 | Float_t EtaToTheta(Float_t arg); |
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7 | static Int_t eventsPerRun = 100; |
8 | enum PprGeo_t |
9 | { |
10 | kHoles, kNoHoles |
11 | }; |
12 | static PprGeo_t geo = kHoles; |
13 | |
14 | void ConfigCommon(Bool_t interactiveSetup) |
15 | { |
16 | // ============================= |
17 | // Root file |
18 | // ============================= |
19 | |
20 | // Create the output file |
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21 | AliRunLoader* rl = 0; |
22 | rl = AliRunLoader::Open("galice.root", |
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23 | AliConfig::GetDefaultEventFolderName(), |
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24 | "recreate"); |
25 | if (!rl) { |
26 | gAlice->Fatal("Config.C","Can not instatiate the Run Loader"); |
27 | return; |
28 | } |
29 | rl->SetCompressionLevel(2); |
30 | rl->SetNumberOfEventsPerFile(3); |
31 | gAlice->SetRunLoader(rl); |
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32 | |
33 | // Set External decayer |
34 | AliDecayer* decayer = new AliDecayerPythia(); |
35 | decayer->SetForceDecay(kAll); |
36 | decayer->Init(); |
37 | gMC->SetExternalDecayer(decayer); |
38 | |
39 | // Physics process control |
40 | gMC ->SetProcess("DCAY",1); |
41 | gMC ->SetProcess("PAIR",1); |
42 | gMC ->SetProcess("COMP",1); |
43 | gMC ->SetProcess("PHOT",1); |
44 | gMC ->SetProcess("PFIS",0); |
45 | gMC ->SetProcess("DRAY",0); |
46 | gMC ->SetProcess("ANNI",1); |
47 | gMC ->SetProcess("BREM",1); |
48 | gMC ->SetProcess("MUNU",1); |
49 | //xx gMC ->SetProcess("CKOV",1); |
50 | gMC ->SetProcess("HADR",1); //Select pure GEANH (HADR 1) or GEANH/NUCRIN (HADR 3) |
51 | gMC ->SetProcess("LOSS",2); |
52 | gMC ->SetProcess("MULS",1); |
53 | //xx gMC ->SetProcess("RAYL",1); |
54 | |
55 | // Energy cuts |
56 | // (in development) |
57 | Float_t cut = 1.e-3; // 1MeV cut by default |
58 | Float_t tofmax = 1.e10; |
59 | |
60 | gMC ->SetCut("CUTGAM",cut); |
61 | gMC ->SetCut("CUTELE",cut); |
62 | gMC ->SetCut("CUTNEU",cut); |
63 | gMC ->SetCut("CUTHAD",cut); |
64 | gMC ->SetCut("CUTMUO",cut); |
65 | gMC ->SetCut("BCUTE",cut); |
66 | gMC ->SetCut("BCUTM",cut); |
67 | gMC ->SetCut("DCUTE",cut); |
68 | gMC ->SetCut("DCUTM",cut); |
69 | gMC ->SetCut("PPCUTM",cut); |
70 | gMC ->SetCut("TOFMAX",tofmax); |
71 | |
72 | // ============================= |
73 | // Event generator |
74 | // ============================= |
75 | |
76 | // --- Specify event type to be tracked through the ALICE setup |
77 | // --- All positions are in cm, angles in degrees, and P and E in GeV |
78 | |
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79 | Int_t nParticles = 100; |
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80 | if (gSystem->Getenv("CONFIG_NPARTICLES")) |
81 | nParticles = atoi(gSystem->Getenv("CONFIG_NPARTICLES")); |
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82 | |
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83 | AliGenCocktail *gener = new AliGenCocktail(); |
84 | gener->SetPhiRange(0, 360); |
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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 |
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88 | gener->SetThetaRange(thmin,thmax); |
89 | gener->SetOrigin(0, 0, 0); //vertex position |
90 | gener->SetSigma(0, 0, 0); //Sigma in (X,Y,Z) (cm) on IP position |
91 | |
92 | AliGenHIJINGpara *hijingparam = new AliGenHIJINGpara(nParticles); |
93 | hijingparam->SetMomentumRange(0.2, 999); |
94 | gener->AddGenerator(hijingparam,"HIJING PARAM",1); |
95 | |
96 | // AliGenBox *genbox = new AliGenBox(nParticles); |
97 | // genbox->SetPart(22); |
98 | // genbox->SetPtRange(0.3, 10.00); |
99 | // gener->AddGenerator(genbox,"GENBOX GAMMA for PHOS",1); |
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100 | gener->Init(); |
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101 | |
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102 | // Activate this line if you want the vertex smearing to happen |
103 | // track by track |
104 | |
105 | //gener->SetVertexSmear(perTrack); |
106 | |
107 | // ============================= |
108 | // Magnetic field |
109 | // ============================= |
110 | |
111 | // Field (L3 0.4 T) |
112 | AliMagFMaps* field = new AliMagFMaps("Maps","Maps", 2, 1., 10., 1); |
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113 | gAlice->SetField(field); |
114 | |
115 | // Old magnetic field |
116 | //gAlice->SetField(-999,2); //Specify maximum magnetic field in Tesla (neg. ==> default field) |
117 | |
118 | // ============================= |
119 | // Alice modules |
120 | // ============================= |
121 | |
122 | if (!interactiveSetup) { |
123 | |
124 | // Select modules |
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125 | Int_t iABSO = 1; |
126 | Int_t iDIPO = 1; |
127 | Int_t iFMD = 1; |
128 | Int_t iFRAME = 1; |
129 | Int_t iHALL = 1; |
130 | Int_t iITS = 1; |
131 | Int_t iMAG = 1; |
132 | Int_t iMUON = 1; |
133 | Int_t iPHOS = 1; |
134 | Int_t iPIPE = 1; |
135 | Int_t iPMD = 1; |
136 | Int_t iRICH = 1; |
137 | Int_t iSHIL = 1; |
138 | Int_t iSTART = 1; |
139 | Int_t iTOF = 1; |
140 | Int_t iTPC = 1; |
141 | Int_t iTRD = 1; |
142 | Int_t iZDC = 1; |
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143 | Int_t iEMCAL = 1; |
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144 | Int_t iCRT = 0; |
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145 | Int_t iVZERO = 1; |
146 | |
147 | // ONLY FOR GEANT4 |
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148 | |
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149 | // Exclude detectors with temporary problem |
150 | iCRT = 0; |
151 | iEMCAL = 0; |
152 | |
153 | // END OF ONLY FOR GEANT4 |
154 | |
155 | |
156 | //=================== Alice BODY parameters ============================= |
157 | AliBODY *BODY = new AliBODY("BODY", "Alice envelop"); |
158 | |
159 | |
160 | if (iMAG) |
161 | { |
162 | //=================== MAG parameters ============================ |
163 | // --- Start with Magnet since detector layouts may be depending --- |
164 | // --- on the selected Magnet dimensions --- |
165 | AliMAG *MAG = new AliMAG("MAG", "Magnet"); |
166 | } |
167 | |
168 | |
169 | if (iABSO) |
170 | { |
171 | //=================== ABSO parameters ============================ |
172 | AliABSO *ABSO = new AliABSOv0("ABSO", "Muon Absorber"); |
173 | } |
174 | |
175 | if (iDIPO) |
176 | { |
177 | //=================== DIPO parameters ============================ |
178 | |
179 | AliDIPO *DIPO = new AliDIPOv2("DIPO", "Dipole version 2"); |
180 | } |
181 | |
182 | if (iHALL) |
183 | { |
184 | //=================== HALL parameters ============================ |
185 | |
186 | AliHALL *HALL = new AliHALL("HALL", "Alice Hall"); |
187 | } |
188 | |
189 | |
190 | if (iFRAME) |
191 | { |
192 | //=================== FRAME parameters ============================ |
193 | |
194 | AliFRAMEv2 *FRAME = new AliFRAMEv2("FRAME", "Space Frame"); |
195 | if (geo == kHoles) { |
196 | FRAME->SetHoles(1); |
197 | } else { |
198 | FRAME->SetHoles(0); |
199 | } |
200 | } |
201 | |
202 | if (iSHIL) |
203 | { |
204 | //=================== SHIL parameters ============================ |
205 | |
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206 | AliSHIL *SHIL = new AliSHILv2("SHIL", "Shielding Version 2"); |
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207 | } |
208 | |
209 | |
210 | if (iPIPE) |
211 | { |
212 | //=================== PIPE parameters ============================ |
213 | |
214 | AliPIPE *PIPE = new AliPIPEv0("PIPE", "Beam Pipe"); |
215 | } |
216 | |
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217 | if(iITS) |
218 | { |
219 | //=================== ITS parameters ============================ |
220 | // |
221 | // As the innermost detector in ALICE, the Inner Tracking System "impacts" on |
222 | // almost all other detectors. This involves the fact that the ITS geometry |
223 | // still has several options to be followed in parallel in order to determine |
224 | // the best set-up which minimizes the induced background. All the geometries |
225 | // available to date are described in the following. Read carefully the comments |
226 | // and use the default version (the only one uncommented) unless you are making |
227 | // comparisons and you know what you are doing. In this case just uncomment the |
228 | // ITS geometry you want to use and run Aliroot. |
229 | // |
230 | // Detailed geometries: |
231 | // |
232 | // |
233 | // |
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234 | /* |
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235 | AliITSvPPRasymmFMD *ITS = new AliITSvPPRasymmFMD("ITS","ITS PPR detailed version with asymmetric services"); |
236 | ITS->SetMinorVersion(2); // don't touch this parameter if you're not an ITS developer |
237 | ITS->SetReadDet(kTRUE); // don't touch this parameter if you're not an ITS developer |
238 | // ITS->SetWriteDet("$ALICE_ROOT/ITS/ITSgeometry_vPPRasymm2.det"); // don't touch this parameter if you're not an ITS developer |
239 | ITS->SetThicknessDet1(200.); // detector thickness on layer 1 must be in the range [100,300] |
240 | ITS->SetThicknessDet2(200.); // detector thickness on layer 2 must be in the range [100,300] |
241 | ITS->SetThicknessChip1(200.); // chip thickness on layer 1 must be in the range [150,300] |
242 | ITS->SetThicknessChip2(200.); // chip thickness on layer 2 must be in the range [150,300] |
243 | ITS->SetRails(0); // 1 --> rails in ; 0 --> rails out |
244 | ITS->SetCoolingFluid(1); // 1 --> water ; 0 --> freon |
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245 | */ |
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246 | // |
247 | // Coarse geometries (warning: no hits are produced with these coarse geometries and they unuseful |
248 | // for reconstruction !): |
249 | // |
250 | // |
251 | AliITSvPPRcoarseasymm *ITS = new AliITSvPPRcoarseasymm("ITS","New ITS PPR coarse version with asymmetric services"); |
252 | ITS->SetRails(0); // 1 --> rails in ; 0 --> rails out |
253 | ITS->SetSupportMaterial(0); // 0 --> Copper ; 1 --> Aluminum ; 2 --> Carbon |
254 | // |
255 | //AliITS *ITS = new AliITSvPPRcoarsesymm("ITS","New ITS PPR coarse version with symmetric services"); |
256 | //ITS->SetRails(0); // 1 --> rails in ; 0 --> rails out |
257 | //ITS->SetSupportMaterial(0); // 0 --> Copper ; 1 --> Aluminum ; 2 --> Carbon |
258 | // |
259 | // |
260 | // |
261 | // Geant3 <-> EUCLID conversion |
262 | // ============================ |
263 | // |
264 | // SetEUCLID is a flag to output (=1) or not to output (=0) both geometry and |
265 | // media to two ASCII files (called by default ITSgeometry.euc and |
266 | // ITSgeometry.tme) in a format understandable to the CAD system EUCLID. |
267 | // The default (=0) means that you dont want to use this facility. |
268 | // |
269 | ITS->SetEUCLID(0); |
270 | } |
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271 | |
272 | if (iTPC) |
273 | { |
274 | //============================ TPC parameters ================================ |
275 | // --- This allows the user to specify sectors for the SLOW (TPC geometry 2) |
276 | // --- Simulator. SecAL (SecAU) <0 means that ALL lower (upper) |
277 | // --- sectors are specified, any value other than that requires at least one |
278 | // --- sector (lower or upper)to be specified! |
279 | // --- Reminder: sectors 1-24 are lower sectors (1-12 -> z>0, 13-24 -> z<0) |
280 | // --- sectors 25-72 are the upper ones (25-48 -> z>0, 49-72 -> z<0) |
281 | // --- SecLows - number of lower sectors specified (up to 6) |
282 | // --- SecUps - number of upper sectors specified (up to 12) |
283 | // --- Sens - sensitive strips for the Slow Simulator !!! |
284 | // --- This does NOT work if all S or L-sectors are specified, i.e. |
285 | // --- if SecAL or SecAU < 0 |
286 | // |
287 | // |
288 | //----------------------------------------------------------------------------- |
289 | |
290 | // gROOT->LoadMacro("SetTPCParam.C"); |
291 | // AliTPCParam *param = SetTPCParam(); |
292 | AliTPC *TPC = new AliTPCv2("TPC", "Default"); |
293 | |
294 | // All sectors included |
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295 | TPC->SetSecAU(-1); |
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296 | TPC->SetSecAL(-1); |
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297 | |
298 | } |
299 | |
300 | if (iTOF) |
301 | { |
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302 | //=================== TOF parameters ============================ |
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303 | AliTOF *TOF = new AliTOFv4T0("TOF", "normal TOF"); |
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304 | } |
305 | |
306 | if (iRICH) |
307 | { |
308 | //=================== RICH parameters =========================== |
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309 | AliRICH *RICH = new AliRICHv1("RICH", "normal RICH"); |
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310 | } |
311 | |
312 | |
313 | if (iZDC) |
314 | { |
315 | //=================== ZDC parameters ============================ |
316 | |
317 | AliZDC *ZDC = new AliZDCv2("ZDC", "normal ZDC"); |
318 | } |
319 | |
320 | if (iTRD) |
321 | { |
322 | //=================== TRD parameters ============================ |
323 | |
324 | AliTRD *TRD = new AliTRDv1("TRD", "TRD slow simulator"); |
325 | |
326 | // Select the gas mixture (0: 97% Xe + 3% isobutane, 1: 90% Xe + 10% CO2) |
327 | TRD->SetGasMix(1); |
328 | if (geo == kHoles) { |
329 | // With hole in front of PHOS |
330 | TRD->SetPHOShole(); |
331 | // With hole in front of RICH |
332 | TRD->SetRICHhole(); |
333 | } |
334 | // Switch on TR |
335 | AliTRDsim *TRDsim = TRD->CreateTR(); |
336 | } |
337 | |
338 | if (iFMD) |
339 | { |
340 | //=================== FMD parameters ============================ |
341 | |
342 | AliFMD *FMD = new AliFMDv1("FMD", "normal FMD"); |
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343 | } |
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344 | |
345 | if (iMUON) |
346 | { |
347 | //=================== MUON parameters =========================== |
348 | |
349 | AliMUON *MUON = new AliMUONv1("MUON", "default"); |
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350 | MUON->AddGeometryBuilder(new AliMUONSt1GeometryBuilder(MUON)); |
351 | MUON->AddGeometryBuilder(new AliMUONSt2GeometryBuilder(MUON)); |
352 | MUON->AddGeometryBuilder(new AliMUONSlatGeometryBuilder(MUON)); |
353 | MUON->AddGeometryBuilder(new AliMUONTriggerGeometryBuilder(MUON)); |
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354 | } |
355 | //=================== PHOS parameters =========================== |
356 | |
357 | if (iPHOS) |
358 | { |
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359 | AliPHOS *PHOS = new AliPHOSv1("PHOS", "IHEP"); |
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360 | } |
361 | |
362 | |
363 | if (iPMD) |
364 | { |
365 | //=================== PMD parameters ============================ |
366 | AliPMD *PMD = new AliPMDv1("PMD", "normal PMD"); |
367 | } |
368 | |
369 | if (iSTART) |
370 | { |
371 | //=================== START parameters ============================ |
372 | AliSTART *START = new AliSTARTv1("START", "START Detector"); |
373 | } |
374 | |
375 | if (iEMCAL) |
376 | { |
377 | //=================== EMCAL parameters ============================ |
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378 | AliEMCAL *EMCAL = new AliEMCALv1("EMCAL", "EMCAL_55_25"); |
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379 | } |
380 | |
381 | if (iCRT) |
382 | { |
383 | //=================== CRT parameters ============================ |
384 | |
385 | AliCRT *CRT = new AliCRTv0("CRT", "normal ACORDE"); |
386 | } |
387 | |
388 | if (iVZERO) |
389 | { |
390 | //=================== CRT parameters ============================ |
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391 | AliVZERO *VZERO = new AliVZEROv3("VZERO", "normal VZERO"); |
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392 | } |
393 | |
394 | } // end (!isSetInteractively) |
395 | else { |
396 | |
397 | if (geo == kHoles) |
398 | AliRunConfiguration::SwitchHoles(kTRUE); |
399 | else |
400 | AliRunConfiguration::SwitchHoles(kFALSE); |
401 | } |
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402 | |
403 | cout << "End of g4ConfigCommon.C" << endl; |
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404 | } |
405 | |
406 | Float_t EtaToTheta(Float_t arg){ |
407 | return (180./TMath::Pi())*2.*atan(exp(-arg)); |
408 | } |