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Commit | Line | Data |
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793ff80c | 1 | void Config() |
2 | { | |
3 | ||
f9428ca8 | 4 | Int_t iField = 0; |
5 | ||
793ff80c | 6 | new AliGeant3("C++ Interface to Geant3"); |
7 | ||
8 | // Create the output file | |
9 | TFile *rootfile = new TFile("TRD_test.root","recreate"); | |
10 | rootfile->SetCompressionLevel(2); | |
11 | ||
12 | // Define the monte carlo | |
13 | TGeant3 *geant3 = (TGeant3*) gMC; | |
14 | ||
15 | // Set external decayer | |
16 | AliDecayer* decayer = new AliDecayerPythia(); | |
39207f8c | 17 | decayer->SetForceDecay(kAll); |
f9428ca8 | 18 | //decayer->SetForceDecay(kAll); |
793ff80c | 19 | decayer->Init(); |
20 | gMC->SetExternalDecayer(decayer); | |
21 | ||
22 | // ******* GEANT STEERING parameters FOR ALICE SIMULATION ******* | |
23 | geant3->SetTRIG(1); // Number of events to be processed | |
24 | geant3->SetSWIT(4,10); | |
25 | geant3->SetDEBU(0,0,1); | |
26 | //geant3->SetSWIT(2,2); | |
27 | geant3->SetDCAY(1); | |
28 | geant3->SetPAIR(1); | |
29 | geant3->SetCOMP(1); | |
30 | geant3->SetPHOT(1); | |
31 | geant3->SetPFIS(0); | |
32 | geant3->SetDRAY(0); | |
33 | geant3->SetANNI(1); | |
34 | geant3->SetBREM(1); | |
35 | geant3->SetMUNU(1); | |
36 | geant3->SetCKOV(1); | |
37 | geant3->SetHADR(1); // Select pure GEANH (HADR 1) or GEANH/NUCRIN (HADR 3) | |
38 | geant3->SetLOSS(2); | |
39 | geant3->SetMULS(1); | |
40 | geant3->SetRAYL(1); | |
41 | geant3->SetAUTO(1); // Select automatic STMIN etc... calc. (AUTO 1) or manual (AUTO 0) | |
42 | geant3->SetABAN(0); // Restore 3.16 behaviour for abandoned tracks | |
43 | geant3->SetOPTI(2); // Select optimisation level for GEANT geometry searches (0,1,2) | |
44 | geant3->SetERAN(5.e-7); | |
45 | ||
46 | Float_t cut = 1.e-3; // 1MeV cut by default | |
47 | Float_t tofmax = 1.e10; | |
48 | // GAM ELEC NHAD CHAD MUON EBREM MUHAB EDEL MUDEL MUPA TOFMAX | |
49 | geant3->SetCUTS(cut,cut, cut, cut, cut, cut, cut, cut, cut, cut, tofmax); | |
50 | ||
51 | // ************* STEERING parameters FOR ALICE SIMULATION ************** | |
52 | // --- Specify event type to be tracked through the ALICE setup | |
53 | // --- All positions are in cm, angles in degrees, and P and E in GeV | |
4a0fe73c | 54 | |
55 | AliGenCocktail *gener = new AliGenCocktail(); | |
56 | ||
57 | AliGenBox *genEl = new AliGenBox(100); | |
58 | genEl->SetOrigin(0,0,0); // Vertex position | |
59 | genEl->SetSigma(0,0,0); // Sigma in (X,Y,Z) (cm) on IP position | |
60 | genEl->SetPart(11); // Only electrons | |
61 | ||
62 | AliGenBox *genPi = new AliGenBox(100); | |
63 | genPi->SetOrigin(0,0,0); // Vertex position | |
64 | genPi->SetSigma(0,0,0); // Sigma in (X,Y,Z) (cm) on IP position | |
65 | genPi->SetPart(-211); // Only pions | |
66 | ||
67 | gener->AddGenerator(genEl,"Electrons",1); | |
68 | gener->AddGenerator(genPi,"Pions" ,1); | |
69 | ||
f9428ca8 | 70 | if (iField) { |
71 | ||
72 | // With magnetic field on | |
73 | AliGenerator *gg = gener->FirstGenerator()->Generator(); | |
74 | gg->SetMomentumRange(3.00,3.01); | |
75 | gg->SetPhiRange(76.0,92.0); | |
76 | gg->SetThetaRange(83.0,97.0); | |
77 | gg = gener->NextGenerator()->Generator(); | |
78 | gg->SetMomentumRange(0.560,0.561); | |
79 | gg->SetPhiRange(62.0,78.0); | |
80 | gg->SetThetaRange(83.0,97.0); | |
81 | ||
82 | gener->Init(); | |
83 | ||
84 | // Specify maximum magnetic field in Tesla (neg. ==> default field) | |
85 | // 0.4 T | |
86 | gAlice->SetField(-999,2,2.0); | |
87 | ||
88 | } | |
89 | else { | |
90 | ||
91 | // With magnetic field off | |
92 | AliGenerator *gg = gener->FirstGenerator()->Generator(); | |
93 | gg->SetMomentumRange(3.00,3.01); | |
94 | gg->SetPhiRange(82.0,98.0); | |
95 | gg->SetThetaRange(83.0,97.0); | |
96 | gg = gener->NextGenerator()->Generator(); | |
97 | gg->SetMomentumRange(0.560,0.561); | |
98 | gg->SetPhiRange(82.0,98.0); | |
99 | gg->SetThetaRange(83.0,97.0); | |
100 | ||
101 | gener->Init(); | |
4a0fe73c | 102 | |
f9428ca8 | 103 | // Specify maximum magnetic field in Tesla (neg. ==> default field) |
104 | // No field | |
105 | gAlice->SetField(0); | |
793ff80c | 106 | |
f9428ca8 | 107 | } |
793ff80c | 108 | |
109 | Int_t iMAG = 1; | |
110 | Int_t iITS = 1; | |
111 | Int_t iTPC = 1; | |
112 | Int_t iTRD = 1; | |
113 | Int_t iABSO = 1; | |
114 | Int_t iDIPO = 1; | |
115 | Int_t iHALL = 1; | |
116 | Int_t iFRAME = 1; | |
117 | Int_t iSHIL = 1; | |
118 | Int_t iPIPE = 1; | |
119 | ||
120 | //=================== Alice BODY parameters ============================= | |
121 | AliBODY *BODY = new AliBODY("BODY","Alice envelop"); | |
122 | ||
123 | if (iMAG) { | |
124 | //=================== MAG parameters ============================ | |
125 | // --- Start with Magnet since detector layouts may be depending --- | |
126 | // --- on the selected Magnet dimensions --- | |
127 | AliMAG *MAG = new AliMAG("MAG","Magnet"); | |
128 | } | |
129 | ||
130 | if (iABSO) { | |
131 | //=================== ABSO parameters ============================ | |
132 | AliABSO *ABSO = new AliABSOv0("ABSO","Muon Absorber"); | |
133 | } | |
134 | ||
135 | if (iDIPO) { | |
136 | //=================== DIPO parameters ============================ | |
137 | AliDIPO *DIPO = new AliDIPOv2("DIPO","Dipole version 2"); | |
138 | } | |
139 | ||
140 | if (iHALL) { | |
141 | //=================== HALL parameters ============================ | |
142 | AliHALL *HALL = new AliHALL("HALL","Alice Hall"); | |
143 | } | |
144 | ||
145 | if (iFRAME) { | |
146 | //=================== FRAME parameters ============================ | |
147 | AliFRAME *FRAME = new AliFRAMEv1("FRAME","Space Frame"); | |
148 | } | |
149 | ||
150 | if (iSHIL) { | |
151 | //=================== SHIL parameters ============================ | |
152 | AliSHIL *SHIL = new AliSHILv0("SHIL","Shielding"); | |
153 | } | |
154 | ||
155 | if (iPIPE) { | |
156 | //=================== PIPE parameters ============================ | |
157 | AliPIPE *PIPE = new AliPIPEv0("PIPE","Beam Pipe"); | |
158 | } | |
159 | ||
160 | if (iITS) { | |
161 | //=================== ITS parameters ============================ | |
162 | // | |
163 | // EUCLID is a flag to output (=1) both geometry and media to two ASCII files | |
164 | // (called by default ITSgeometry.euc and ITSgeometry.tme) in a format | |
165 | // understandable to the CAD system EUCLID. The default (=0) means that you | |
166 | // dont want to use this facility. | |
167 | // | |
f9428ca8 | 168 | |
6244debe | 169 | AliITS *ITS = new AliITSv5asymm("ITS","Updates ITS TDR detailed version with asymmetric services"); |
793ff80c | 170 | ITS->SetEUCLID(0); |
f9428ca8 | 171 | |
793ff80c | 172 | } |
173 | ||
174 | if (iTPC) { | |
175 | //============================ TPC parameters ================================ | |
176 | // --- This allows the user to specify sectors for the SLOW (TPC geometry 2) | |
177 | // --- Simulator. SecAL (SecAU) <0 means that ALL lower (upper) | |
178 | // --- sectors are specified, any value other than that requires at least one | |
179 | // --- sector (lower or upper)to be specified! | |
180 | // --- Reminder: sectors 1-24 are lower sectors (1-12 -> z>0, 13-24 -> z<0) | |
181 | // --- sectors 25-72 are the upper ones (25-48 -> z>0, 49-72 -> z<0) | |
182 | // --- SecLows - number of lower sectors specified (up to 6) | |
183 | // --- SecUps - number of upper sectors specified (up to 12) | |
184 | // --- Sens - sensitive strips for the Slow Simulator !!! | |
185 | // --- This does NOT work if all S or L-sectors are specified, i.e. | |
186 | // --- if SecAL or SecAU < 0 | |
187 | // | |
188 | // | |
189 | //----------------------------------------------------------------------------- | |
190 | ||
6244debe | 191 | AliTPC *TPC = new AliTPCv2("TPC","Default"); |
192 | // All sectors included | |
193 | TPC->SetSecAL(-1); | |
194 | TPC->SetSecAU(-1); | |
793ff80c | 195 | |
196 | } | |
197 | ||
198 | if (iTRD) { | |
199 | //=================== TRD parameters ============================ | |
200 | ||
201 | AliTRD *TRD = new AliTRDv1("TRD","TRD slow simulator"); | |
202 | TRD->SetSensChamber(2); | |
203 | TRD->SetSensSector(13); | |
204 | ||
4a0fe73c | 205 | // Get the pointer to the geometry object |
206 | AliTRDgeometry *TRDgeometry = TRD->GetGeometry(); | |
207 | ||
208 | // The number of timebins | |
209 | TRDgeometry->SetNTimeBin(15); | |
210 | ||
f9428ca8 | 211 | // The additional timebins before and after the drift region |
212 | //TRDgeometry->SetExpandTimeBin(10,5); | |
213 | ||
793ff80c | 214 | // Select the gas mixture (0: 97% Xe + 3% isobutane, 1: 90% Xe + 10% CO2) |
215 | TRD->SetGasMix(1); | |
216 | ||
217 | // Set to detailed display | |
218 | TRD->SetDisplayType(1); | |
219 | ||
f9428ca8 | 220 | // Draw TR photons |
221 | TRD->SetDrawTR(1); | |
222 | ||
793ff80c | 223 | // Switch on TR |
224 | AliTRDsim *TRDsim = TRD->CreateTR(); | |
225 | ||
226 | } | |
227 | ||
228 | } |