Using getter instead of global constant
[u/mrichter/AliRoot.git] / macros / g4ConfigCommon.C
CommitLineData
1fccbbe0 1// $Id$
2//
3// AliRoot Configuration for running aliroot with Monte Carlo.
4// Called from g4Config.C
5
913c1adf 6Float_t EtaToTheta(Float_t arg);
1fccbbe0 7static Int_t eventsPerRun = 100;
8enum PprGeo_t
9{
10 kHoles, kNoHoles
11};
12static PprGeo_t geo = kHoles;
13
14void ConfigCommon(Bool_t interactiveSetup)
15{
16 // =============================
17 // Root file
18 // =============================
19
20 // Create the output file
913c1adf 21 AliRunLoader* rl = 0;
22 rl = AliRunLoader::Open("galice.root",
f5a857b2 23 AliConfig::GetDefaultEventFolderName(),
913c1adf 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);
1fccbbe0 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
913c1adf 79 Int_t nParticles = 100;
1fccbbe0 80 if (gSystem->Getenv("CONFIG_NPARTICLES"))
81 nParticles = atoi(gSystem->Getenv("CONFIG_NPARTICLES"));
1fccbbe0 82
913c1adf 83 AliGenCocktail *gener = new AliGenCocktail();
84 gener->SetPhiRange(0, 360);
1fccbbe0 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
913c1adf 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);
1fccbbe0 100 gener->Init();
913c1adf 101
1fccbbe0 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);
1fccbbe0 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
913c1adf 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;
1fccbbe0 143 Int_t iEMCAL = 1;
913c1adf 144 Int_t iCRT = 0;
1fccbbe0 145 Int_t iVZERO = 1;
146
147 // ONLY FOR GEANT4
9cc36300 148
1fccbbe0 149 // Exclude detectors with temporary problem
150 iCRT = 0;
151 iEMCAL = 0;
913c1adf 152 iFMD = 0;
1fccbbe0 153
154 // END OF ONLY FOR GEANT4
155
156
157 //=================== Alice BODY parameters =============================
158 AliBODY *BODY = new AliBODY("BODY", "Alice envelop");
159
160
161 if (iMAG)
162 {
163 //=================== MAG parameters ============================
164 // --- Start with Magnet since detector layouts may be depending ---
165 // --- on the selected Magnet dimensions ---
166 AliMAG *MAG = new AliMAG("MAG", "Magnet");
167 }
168
169
170 if (iABSO)
171 {
172 //=================== ABSO parameters ============================
173 AliABSO *ABSO = new AliABSOv0("ABSO", "Muon Absorber");
174 }
175
176 if (iDIPO)
177 {
178 //=================== DIPO parameters ============================
179
180 AliDIPO *DIPO = new AliDIPOv2("DIPO", "Dipole version 2");
181 }
182
183 if (iHALL)
184 {
185 //=================== HALL parameters ============================
186
187 AliHALL *HALL = new AliHALL("HALL", "Alice Hall");
188 }
189
190
191 if (iFRAME)
192 {
193 //=================== FRAME parameters ============================
194
195 AliFRAMEv2 *FRAME = new AliFRAMEv2("FRAME", "Space Frame");
196 if (geo == kHoles) {
197 FRAME->SetHoles(1);
198 } else {
199 FRAME->SetHoles(0);
200 }
201 }
202
203 if (iSHIL)
204 {
205 //=================== SHIL parameters ============================
206
207 AliSHIL *SHIL = new AliSHILv2("SHIL", "Shielding");
208 }
209
210
211 if (iPIPE)
212 {
213 //=================== PIPE parameters ============================
214
215 AliPIPE *PIPE = new AliPIPEv0("PIPE", "Beam Pipe");
216 }
217
913c1adf 218 if(iITS)
219 {
220 //=================== ITS parameters ============================
221 //
222 // As the innermost detector in ALICE, the Inner Tracking System "impacts" on
223 // almost all other detectors. This involves the fact that the ITS geometry
224 // still has several options to be followed in parallel in order to determine
225 // the best set-up which minimizes the induced background. All the geometries
226 // available to date are described in the following. Read carefully the comments
227 // and use the default version (the only one uncommented) unless you are making
228 // comparisons and you know what you are doing. In this case just uncomment the
229 // ITS geometry you want to use and run Aliroot.
230 //
231 // Detailed geometries:
232 //
233 //
234 //
1fccbbe0 235/*
913c1adf 236 AliITSvPPRasymmFMD *ITS = new AliITSvPPRasymmFMD("ITS","ITS PPR detailed version with asymmetric services");
237 ITS->SetMinorVersion(2); // don't touch this parameter if you're not an ITS developer
238 ITS->SetReadDet(kTRUE); // don't touch this parameter if you're not an ITS developer
239 // ITS->SetWriteDet("$ALICE_ROOT/ITS/ITSgeometry_vPPRasymm2.det"); // don't touch this parameter if you're not an ITS developer
240 ITS->SetThicknessDet1(200.); // detector thickness on layer 1 must be in the range [100,300]
241 ITS->SetThicknessDet2(200.); // detector thickness on layer 2 must be in the range [100,300]
242 ITS->SetThicknessChip1(200.); // chip thickness on layer 1 must be in the range [150,300]
243 ITS->SetThicknessChip2(200.); // chip thickness on layer 2 must be in the range [150,300]
244 ITS->SetRails(0); // 1 --> rails in ; 0 --> rails out
245 ITS->SetCoolingFluid(1); // 1 --> water ; 0 --> freon
1fccbbe0 246*/
913c1adf 247 //
248 // Coarse geometries (warning: no hits are produced with these coarse geometries and they unuseful
249 // for reconstruction !):
250 //
251 //
252 AliITSvPPRcoarseasymm *ITS = new AliITSvPPRcoarseasymm("ITS","New ITS PPR coarse version with asymmetric services");
253 ITS->SetRails(0); // 1 --> rails in ; 0 --> rails out
254 ITS->SetSupportMaterial(0); // 0 --> Copper ; 1 --> Aluminum ; 2 --> Carbon
255 //
256 //AliITS *ITS = new AliITSvPPRcoarsesymm("ITS","New ITS PPR coarse version with symmetric services");
257 //ITS->SetRails(0); // 1 --> rails in ; 0 --> rails out
258 //ITS->SetSupportMaterial(0); // 0 --> Copper ; 1 --> Aluminum ; 2 --> Carbon
259 //
260 //
261 //
262 // Geant3 <-> EUCLID conversion
263 // ============================
264 //
265 // SetEUCLID is a flag to output (=1) or not to output (=0) both geometry and
266 // media to two ASCII files (called by default ITSgeometry.euc and
267 // ITSgeometry.tme) in a format understandable to the CAD system EUCLID.
268 // The default (=0) means that you dont want to use this facility.
269 //
270 ITS->SetEUCLID(0);
271 }
1fccbbe0 272
273 if (iTPC)
274 {
275 //============================ TPC parameters ================================
276 // --- This allows the user to specify sectors for the SLOW (TPC geometry 2)
277 // --- Simulator. SecAL (SecAU) <0 means that ALL lower (upper)
278 // --- sectors are specified, any value other than that requires at least one
279 // --- sector (lower or upper)to be specified!
280 // --- Reminder: sectors 1-24 are lower sectors (1-12 -> z>0, 13-24 -> z<0)
281 // --- sectors 25-72 are the upper ones (25-48 -> z>0, 49-72 -> z<0)
282 // --- SecLows - number of lower sectors specified (up to 6)
283 // --- SecUps - number of upper sectors specified (up to 12)
284 // --- Sens - sensitive strips for the Slow Simulator !!!
285 // --- This does NOT work if all S or L-sectors are specified, i.e.
286 // --- if SecAL or SecAU < 0
287 //
288 //
289 //-----------------------------------------------------------------------------
290
291 // gROOT->LoadMacro("SetTPCParam.C");
292 // AliTPCParam *param = SetTPCParam();
293 AliTPC *TPC = new AliTPCv2("TPC", "Default");
294
295 // All sectors included
296 TPC->SetSecAL(-1);
297 TPC->SetSecAU(-1);
298
299 }
300
301 if (iTOF)
302 {
1fccbbe0 303 //=================== TOF parameters ============================
2253ef47 304 AliTOF *TOF = new AliTOFv4T0("TOF", "normal TOF");
1fccbbe0 305 }
306
307 if (iRICH)
308 {
309 //=================== RICH parameters ===========================
1fccbbe0 310 AliRICH *RICH = new AliRICHv3("RICH", "normal RICH");
1fccbbe0 311 }
312
313
314 if (iZDC)
315 {
316 //=================== ZDC parameters ============================
317
318 AliZDC *ZDC = new AliZDCv2("ZDC", "normal ZDC");
319 }
320
321 if (iTRD)
322 {
323 //=================== TRD parameters ============================
324
325 AliTRD *TRD = new AliTRDv1("TRD", "TRD slow simulator");
326
327 // Select the gas mixture (0: 97% Xe + 3% isobutane, 1: 90% Xe + 10% CO2)
328 TRD->SetGasMix(1);
329 if (geo == kHoles) {
330 // With hole in front of PHOS
331 TRD->SetPHOShole();
332 // With hole in front of RICH
333 TRD->SetRICHhole();
334 }
335 // Switch on TR
336 AliTRDsim *TRDsim = TRD->CreateTR();
337 }
338
339 if (iFMD)
340 {
341 //=================== FMD parameters ============================
342
343 AliFMD *FMD = new AliFMDv1("FMD", "normal FMD");
913c1adf 344 }
1fccbbe0 345
346 if (iMUON)
347 {
348 //=================== MUON parameters ===========================
349
350 AliMUON *MUON = new AliMUONv1("MUON", "default");
d13ed8f3 351 MUON->AddGeometryBuilder(new AliMUONSt1GeometryBuilder(MUON));
352 MUON->AddGeometryBuilder(new AliMUONSt2GeometryBuilder(MUON));
353 MUON->AddGeometryBuilder(new AliMUONSlatGeometryBuilder(MUON));
354 MUON->AddGeometryBuilder(new AliMUONTriggerGeometryBuilder(MUON));
1fccbbe0 355 }
356 //=================== PHOS parameters ===========================
357
358 if (iPHOS)
359 {
9cc36300 360 AliPHOS *PHOS = new AliPHOSv1("PHOS", "IHEP");
1fccbbe0 361 }
362
363
364 if (iPMD)
365 {
366 //=================== PMD parameters ============================
367 AliPMD *PMD = new AliPMDv1("PMD", "normal PMD");
368 }
369
370 if (iSTART)
371 {
372 //=================== START parameters ============================
373 AliSTART *START = new AliSTARTv1("START", "START Detector");
374 }
375
376 if (iEMCAL)
377 {
378 //=================== EMCAL parameters ============================
5f86d7e6 379 AliEMCAL *EMCAL = new AliEMCALv1("EMCAL", "EMCAL_55_25");
1fccbbe0 380 }
381
382 if (iCRT)
383 {
384 //=================== CRT parameters ============================
385
386 AliCRT *CRT = new AliCRTv0("CRT", "normal ACORDE");
387 }
388
389 if (iVZERO)
390 {
391 //=================== CRT parameters ============================
b50ba418 392 AliVZERO *VZERO = new AliVZEROv3("VZERO", "normal VZERO");
1fccbbe0 393 }
394
395 } // end (!isSetInteractively)
396 else {
397
398 if (geo == kHoles)
399 AliRunConfiguration::SwitchHoles(kTRUE);
400 else
401 AliRunConfiguration::SwitchHoles(kFALSE);
402 }
403}
404
405Float_t EtaToTheta(Float_t arg){
406 return (180./TMath::Pi())*2.*atan(exp(-arg));
407}