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1 | static Int_t eventsPerRun = 100; |
2 | void Config() |
3 | { |
4 | cout << "==> Config.C..." << endl; |
5 | |
6 | // Set Random Number seed |
7 | // gRandom->SetSeed(12345); |
8 | |
9 | |
10 | // libraries required by fluka21 |
11 | cout << "\t* Loading TFluka..." << endl; |
12 | gSystem->Load("libTFluka"); |
13 | |
14 | cout << "\t* Instantiating TFluka..." << endl; |
15 | new TFluka("C++ Interface to Fluka", 3/*verbositylevel*/); |
16 | |
17 | cout << "\t* Recreating galice.root if needed..." << endl; |
18 | if (!gSystem->Getenv("CONFIG_FILE")) { |
19 | TFile *rootfile = new TFile("galice.root", "recreate"); |
20 | |
21 | rootfile->SetCompressionLevel(2); |
22 | } |
23 | |
24 | TFluka *fluka = (TFluka *) gMC; |
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25 | fluka->SetInputFileName("alice.inp"); |
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26 | |
27 | //cout << "<== Config.C..." << endl; |
28 | //return; |
29 | // |
30 | // Set External decayer |
31 | TVirtualMCDecayer *decayer = new AliDecayerPythia(); |
32 | |
33 | decayer->SetForceDecay(kAll); |
34 | decayer->Init(); |
35 | gMC->SetExternalDecayer(decayer); |
36 | // |
37 | // |
38 | // Physics process control |
39 | gMC ->SetProcess("DCAY",1); |
40 | gMC ->SetProcess("PAIR",1); |
41 | gMC ->SetProcess("COMP",1); |
42 | gMC ->SetProcess("PHOT",1); |
43 | gMC ->SetProcess("PFIS",0); |
44 | gMC ->SetProcess("DRAY",0); |
45 | gMC ->SetProcess("ANNI",1); |
46 | gMC ->SetProcess("BREM",1); |
47 | gMC ->SetProcess("MUNU",1); |
48 | //xx gMC ->SetProcess("CKOV",1); |
49 | gMC ->SetProcess("HADR",1); //Select pure GEANH (HADR 1) or GEANH/NUCRIN (HADR 3) |
50 | gMC ->SetProcess("LOSS",2); |
51 | gMC ->SetProcess("MULS",1); |
52 | //xx gMC ->SetProcess("RAYL",1); |
53 | |
54 | // Energy cuts |
55 | // (in development) |
56 | Float_t cut = 1.e-3; // 1MeV cut by default |
57 | Float_t tofmax = 1.e10; |
58 | |
59 | gMC ->SetCut("CUTGAM",cut); |
60 | gMC ->SetCut("CUTELE",cut); |
61 | gMC ->SetCut("CUTNEU",cut); |
62 | gMC ->SetCut("CUTHAD",cut); |
63 | gMC ->SetCut("CUTMUO",cut); |
64 | gMC ->SetCut("BCUTE",cut); |
65 | gMC ->SetCut("BCUTM",cut); |
66 | gMC ->SetCut("DCUTE",cut); |
67 | gMC ->SetCut("DCUTM",cut); |
68 | gMC ->SetCut("PPCUTM",cut); |
69 | gMC ->SetCut("TOFMAX",tofmax); |
70 | |
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71 | // |
72 | //======================================================================= |
73 | // ************* STEERING parameters FOR ALICE SIMULATION ************** |
74 | // --- Specify event type to be tracked through the ALICE setup |
75 | // --- All positions are in cm, angles in degrees, and P and E in GeV |
76 | if (gSystem->Getenv("CONFIG_NPARTICLES")) |
77 | int nParticles = atoi(gSystem->Getenv("CONFIG_NPARTICLES")); |
78 | else |
79 | int nParticles = 50; |
80 | cout << "\t* Creating and configuring generator for " << nParticles |
81 | << " particles..." << endl; |
82 | |
83 | AliGenHIJINGpara *gener = new AliGenHIJINGpara(nParticles); |
84 | |
85 | gener->SetMomentumRange(0, 999); |
86 | gener->SetPhiRange(0, 360); |
87 | // Set pseudorapidity range from -8 to 8. |
88 | Float_t thmin = EtaToTheta(8); // theta min. <---> eta max |
89 | Float_t thmax = EtaToTheta(-8); // theta max. <---> eta min |
90 | gener->SetThetaRange(thmin,thmax); |
91 | gener->SetOrigin(0, 0, 0); //vertex position |
92 | gener->SetSigma(0, 0, 0); //Sigma in (X,Y,Z) (cm) on IP position |
93 | gener->Init(); |
94 | // |
95 | // Activate this line if you want the vertex smearing to happen |
96 | // track by track |
97 | // |
98 | //gener->SetVertexSmear(perTrack); |
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99 | |
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100 | cout << "\t* Setting magnetic field..." << endl; |
101 | gAlice->SetField(-999, 2); //Specify maximum magnetic field in Tesla (neg. ==> default field) |
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102 | |
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103 | cout << "\t* Defining which detectors to load..." << endl; |
104 | |
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105 | Int_t iABSO = 1; |
106 | Int_t iCRT = 0; //Not good ? |
107 | Int_t iDIPO = 1; |
108 | Int_t iFMD = 1; |
109 | Int_t iFRAME = 1; |
110 | Int_t iHALL = 1; |
111 | Int_t iITS = 1; |
112 | Int_t iMAG = 1; |
113 | Int_t iMUON = 1; //Not good (newFlagLttc=10000 is outside array bounds) |
114 | Int_t iPHOS = 1; |
115 | Int_t iPIPE = 1; |
116 | Int_t iPMD = 0; //Not good (too many regions) |
117 | Int_t iRICH = 1; //Not good (no tracking with FRAME) |
118 | Int_t iSHIL = 1; //Not good (no tracking) (it works alone) |
119 | Int_t iSTART = 1; //Not good (no tracking) (it works alone) |
120 | Int_t iTOF = 1; //Not good (no tracking) (newFlagLttc=10000 is outside array bounds if alone) |
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121 | Int_t iTPC = 1; |
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122 | Int_t iTRD = 1; //Not good (no tracking) (Crash alone with FRAME) |
123 | Int_t iZDC = 1; //Needs SHIL and others |
124 | Int_t iEMCAL = 0; //Not good (Crash) |
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125 | |
126 | cout << "\t* Creating the detectors ..." << endl; |
127 | //=================== Alice BODY parameters ============================= |
128 | AliBODY *BODY = new AliBODY("BODY", "Alice envelop"); |
129 | cout << "\t\t+ BODY..." << endl; |
130 | |
131 | |
132 | if (iMAG) |
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133 | { |
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134 | //=================== MAG parameters ============================ |
135 | // --- Start with Magnet since detector layouts may be depending --- |
136 | // --- on the selected Magnet dimensions --- |
137 | cout << "\t\t+ Magnet..." << endl; |
138 | AliMAG *MAG = new AliMAG("MAG", "Magnet"); |
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139 | } |
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140 | |
141 | |
142 | if (iABSO) |
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143 | { |
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144 | //=================== ABSO parameters ============================ |
145 | cout << "\t\t+ ABSO..." << endl; |
146 | AliABSO *ABSO = new AliABSOv0("ABSO", "Muon Absorber"); |
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147 | } |
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148 | |
149 | if (iDIPO) |
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150 | { |
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151 | //=================== DIPO parameters ============================ |
152 | cout << "\t\t+ DIPO..." << endl; |
153 | AliDIPO *DIPO = new AliDIPOv2("DIPO", "Dipole version 2"); |
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154 | } |
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155 | |
156 | if (iHALL) |
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157 | { |
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158 | //=================== HALL parameters ============================ |
159 | cout << "\t\t+ HALL..." << endl; |
160 | AliHALL *HALL = new AliHALL("HALL", "Alice Hall"); |
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161 | } |
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162 | |
163 | |
164 | if (iFRAME) |
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165 | { |
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166 | //=================== FRAME parameters ============================ |
167 | |
168 | cout << "\t\t+ FRAME..." << endl; |
169 | AliFRAME *FRAME = new AliFRAMEv2("FRAME", "Space Frame"); |
170 | |
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171 | } |
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172 | |
173 | if (iSHIL) |
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174 | { |
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175 | //=================== SHIL parameters ============================ |
176 | |
177 | cout << "\t\t+ SHIL..." << endl; |
178 | AliSHIL *SHIL = new AliSHILv2("SHIL", "Shielding"); |
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179 | } |
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180 | |
181 | |
182 | if (iPIPE) |
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183 | { |
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184 | //=================== PIPE parameters ============================ |
185 | |
186 | cout << "\t\t+ PIPE..." << endl; |
187 | AliPIPE *PIPE = new AliPIPEv0("PIPE", "Beam Pipe"); |
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188 | } |
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189 | |
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190 | if(iITS) { |
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191 | cout << "\t\t+ ITS..." << endl; |
192 | |
193 | //=================== ITS parameters ============================ |
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194 | // |
195 | // As the innermost detector in ALICE, the Inner Tracking System "impacts" on |
196 | // almost all other detectors. This involves the fact that the ITS geometry |
197 | // still has several options to be followed in parallel in order to determine |
198 | // the best set-up which minimizes the induced background. All the geometries |
199 | // available to date are described in the following. Read carefully the comments |
200 | // and use the default version (the only one uncommented) unless you are making |
201 | // comparisons and you know what you are doing. In this case just uncomment the |
202 | // ITS geometry you want to use and run Aliroot. |
203 | // |
204 | // Detailed geometries: |
205 | // |
206 | // |
207 | //AliITS *ITS = new AliITSv5symm("ITS","Updated ITS TDR detailed version with symmetric services"); |
208 | // |
209 | //AliITS *ITS = new AliITSv5asymm("ITS","Updates ITS TDR detailed version with asymmetric services"); |
210 | // |
211 | AliITSvPPRasymm *ITS = new AliITSvPPRasymm("ITS","New ITS PPR detailed version with asymmetric services"); |
212 | ITS->SetMinorVersion(2); // don't touch this parameter if you're not an ITS developer |
213 | ITS->SetReadDet(kFALSE); // don't touch this parameter if you're not an ITS developer |
214 | // ITS->SetWriteDet("$ALICE_ROOT/ITS/ITSgeometry_vPPRasymm2.det"); // don't touch this parameter if you're not an ITS developer |
215 | ITS->SetThicknessDet1(200.); // detector thickness on layer 1 must be in the range [100,300] |
216 | ITS->SetThicknessDet2(200.); // detector thickness on layer 2 must be in the range [100,300] |
217 | ITS->SetThicknessChip1(200.); // chip thickness on layer 1 must be in the range [150,300] |
218 | ITS->SetThicknessChip2(200.); // chip thickness on layer 2 must be in the range [150,300] |
219 | ITS->SetRails(1); // 1 --> rails in ; 0 --> rails out |
220 | ITS->SetCoolingFluid(1); // 1 --> water ; 0 --> freon |
221 | // |
222 | //AliITSvPPRsymm *ITS = new AliITSvPPRsymm("ITS","New ITS PPR detailed version with symmetric services"); |
223 | //ITS->SetMinorVersion(2); // don't touch this parameter if you're not an ITS developer |
224 | //ITS->SetReadDet(kFALSE); // don't touch this parameter if you're not an ITS developer |
225 | //ITS->SetWriteDet("$ALICE_ROOT/ITS/ITSgeometry_vPPRsymm2.det"); // don't touch this parameter if you're not an ITS developer |
226 | //ITS->SetThicknessDet1(200.); // detector thickness on layer 1 must be in the range [100,300] |
227 | //ITS->SetThicknessDet2(200.); // detector thickness on layer 2 must be in the range [100,300] |
228 | //ITS->SetThicknessChip1(200.); // chip thickness on layer 1 must be in the range [150,300] |
229 | //ITS->SetThicknessChip2(200.); // chip thickness on layer 2 must be in the range [150,300] |
230 | //ITS->SetRails(1); // 1 --> rails in ; 0 --> rails out |
231 | //ITS->SetCoolingFluid(1); // 1 --> water ; 0 --> freon |
232 | // |
233 | // |
234 | // Coarse geometries (warning: no hits are produced with these coarse geometries and they unuseful |
235 | // for reconstruction !): |
236 | // |
237 | // |
238 | //AliITSvPPRcoarseasymm *ITS = new AliITSvPPRcoarseasymm("ITS","New ITS PPR coarse version with asymmetric services"); |
239 | //ITS->SetRails(1); // 1 --> rails in ; 0 --> rails out |
240 | //ITS->SetSupportMaterial(0); // 0 --> Copper ; 1 --> Aluminum ; 2 --> Carbon |
241 | // |
242 | //AliITS *ITS = new AliITSvPPRcoarsesymm("ITS","New ITS PPR coarse version with symmetric services"); |
243 | //ITS->SetRails(1); // 1 --> rails in ; 0 --> rails out |
244 | //ITS->SetSupportMaterial(0); // 0 --> Copper ; 1 --> Aluminum ; 2 --> Carbon |
245 | // |
246 | // |
247 | // |
248 | // Geant3 <-> EUCLID conversion |
249 | // ============================ |
250 | // |
251 | // SetEUCLID is a flag to output (=1) or not to output (=0) both geometry and |
252 | // media to two ASCII files (called by default ITSgeometry.euc and |
253 | // ITSgeometry.tme) in a format understandable to the CAD system EUCLID. |
254 | // The default (=0) means that you dont want to use this facility. |
255 | // |
256 | ITS->SetEUCLID(0); |
257 | } |
258 | |
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259 | |
260 | if (iTPC) |
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261 | { |
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262 | cout << "\t\t+ TPC..." << endl; |
263 | //============================ TPC parameters ================================ |
264 | // --- This allows the user to specify sectors for the SLOW (TPC geometry 2) |
265 | // --- Simulator. SecAL (SecAU) <0 means that ALL lower (upper) |
266 | // --- sectors are specified, any value other than that requires at least one |
267 | // --- sector (lower or upper)to be specified! |
268 | // --- Reminder: sectors 1-24 are lower sectors (1-12 -> z>0, 13-24 -> z<0) |
269 | // --- sectors 25-72 are the upper ones (25-48 -> z>0, 49-72 -> z<0) |
270 | // --- SecLows - number of lower sectors specified (up to 6) |
271 | // --- SecUps - number of upper sectors specified (up to 12) |
272 | // --- Sens - sensitive strips for the Slow Simulator !!! |
273 | // --- This does NOT work if all S or L-sectors are specified, i.e. |
274 | // --- if SecAL or SecAU < 0 |
275 | // |
276 | // |
277 | //----------------------------------------------------------------------------- |
278 | |
279 | // gROOT->LoadMacro("SetTPCParam.C"); |
280 | // AliTPCParam *param = SetTPCParam(); |
281 | AliTPC *TPC = new AliTPCv2("TPC", "Default"); |
282 | |
283 | // All sectors included |
284 | TPC->SetSecAL(-1); |
285 | TPC->SetSecAU(-1); |
286 | |
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287 | } |
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288 | |
289 | if (iTOF) |
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290 | { |
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291 | cout << "\t\t+ TOF..." << endl; |
292 | //=================== TOF parameters ============================ |
293 | AliTOF *TOF = new AliTOFv2("TOF", "normal TOF"); |
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294 | } |
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295 | |
296 | if (iRICH) |
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297 | { |
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298 | cout << "\t\t+ RICH..." << endl; |
299 | //=================== RICH parameters =========================== |
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300 | AliRICH *RICH = new AliRICHv1("RICH", "normal RICH"); |
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301 | |
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302 | } |
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303 | |
304 | |
305 | if (iZDC) |
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306 | { |
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307 | cout << "\t\t+ ZDC..." << endl; |
308 | //=================== ZDC parameters ============================ |
309 | |
310 | AliZDC *ZDC = new AliZDCv2("ZDC", "normal ZDC"); |
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311 | } |
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312 | |
313 | if (iCRT) |
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314 | { |
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315 | cout << "\t\t+ CRT..." << endl; |
316 | //=================== CRT parameters ============================ |
317 | |
318 | AliCRT *CRT = new AliCRTv0("CRT", "normal CRT"); |
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319 | } |
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320 | |
321 | if (iTRD) |
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322 | { |
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323 | cout << "\t\t+ TRD..." << endl; |
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 | |
331 | // With hole in front of PHOS |
332 | TRD->SetPHOShole(); |
333 | // With hole in front of RICH |
334 | TRD->SetRICHhole(); |
335 | // Switch on TR |
336 | AliTRDsim *TRDsim = TRD->CreateTR(); |
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337 | } |
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338 | |
339 | if (iFMD) |
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340 | { |
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341 | cout << "\t\t+ FMD..." << endl; |
342 | //=================== FMD parameters ============================ |
343 | |
344 | AliFMD *FMD = new AliFMDv1("FMD", "normal FMD"); |
345 | FMD->SetRingsSi1(256); |
346 | FMD->SetRingsSi2(64); |
347 | FMD->SetSectorsSi1(20); |
348 | FMD->SetSectorsSi2(24); |
349 | } |
350 | |
351 | if (iMUON) |
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352 | { |
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353 | cout << "\t\t+ MUON..." << endl; |
354 | //=================== MUON parameters =========================== |
355 | |
356 | AliMUON *MUON = new AliMUONv1("MUON", "default"); |
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357 | } |
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358 | //=================== PHOS parameters =========================== |
359 | |
360 | if (iPHOS) |
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361 | { |
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362 | cout << "\t\t+ PHOS..." << endl; |
363 | AliPHOS *PHOS = new AliPHOSv1("PHOS", "GPS2"); |
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364 | } |
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365 | |
366 | |
367 | if (iPMD) |
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368 | { |
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369 | cout << "\t\t+ PMD..." << endl; |
370 | //=================== PMD parameters ============================ |
371 | |
372 | AliPMD *PMD = new AliPMDv1("PMD", "normal PMD"); |
373 | |
374 | PMD->SetPAR(1., 1., 0.8, 0.02); |
375 | PMD->SetIN(6., 18., -580., 27., 27.); |
376 | PMD->SetGEO(0.0, 0.2, 4.); |
377 | PMD->SetPadSize(0.8, 1.0, 1.0, 1.5); |
378 | |
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379 | } |
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380 | |
381 | if (iEMCAL && !iRICH) |
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382 | { |
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383 | cout << "\t\t+ EMCAL (no RICH)..." << endl; |
384 | //=================== EMCAL parameters ============================ |
385 | AliEMCAL *EMCAL = new AliEMCALv1("EMCAL", "EMCALArch1a"); |
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386 | } |
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387 | |
388 | if (iSTART) |
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389 | { |
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390 | cout << "\t\t+ START..." << endl; |
391 | //=================== START parameters ============================ |
392 | AliSTART *START = new AliSTARTv1("START", "START Detector"); |
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393 | } |
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394 | |
395 | |
396 | cout << "<== Config.C..." << endl; |
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397 | } |
398 | |
399 | Float_t EtaToTheta(Float_t arg){ |
400 | return (180./TMath::Pi())*2.*atan(exp(-arg)); |
401 | } |