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Commit | Line | Data |
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1 | void Config() | |
2 | { | |
3 | ||
4 | Int_t iField = 0; | |
5 | ||
6 | // libraries required by geant321 | |
7 | gSystem->Load("libgeant321"); | |
8 | ||
9 | new TGeant3("C++ Interface to Geant3"); | |
10 | ||
11 | // Create the output file | |
12 | TFile *rootfile = new TFile("TRD_test.root","recreate"); | |
13 | rootfile->SetCompressionLevel(2); | |
14 | ||
15 | // Define the monte carlo | |
16 | TGeant3 *geant3 = (TGeant3*) gMC; | |
17 | ||
18 | // Set external decayer | |
19 | AliDecayer* decayer = new AliDecayerPythia(); | |
20 | decayer->SetForceDecay(kAll); | |
21 | //decayer->SetForceDecay(kAll); | |
22 | decayer->Init(); | |
23 | gMC->SetExternalDecayer(decayer); | |
24 | ||
25 | // ******* GEANT STEERING parameters FOR ALICE SIMULATION ******* | |
26 | geant3->SetTRIG(1); // Number of events to be processed | |
27 | geant3->SetSWIT(4,10); | |
28 | geant3->SetDEBU(0,0,1); | |
29 | //geant3->SetSWIT(2,2); | |
30 | geant3->SetDCAY(1); | |
31 | geant3->SetPAIR(1); | |
32 | geant3->SetCOMP(1); | |
33 | geant3->SetPHOT(1); | |
34 | geant3->SetPFIS(0); | |
35 | geant3->SetDRAY(0); | |
36 | geant3->SetANNI(1); | |
37 | geant3->SetBREM(1); | |
38 | geant3->SetMUNU(1); | |
39 | geant3->SetCKOV(1); | |
40 | geant3->SetHADR(1); // Select pure GEANH (HADR 1) or GEANH/NUCRIN (HADR 3) | |
41 | geant3->SetLOSS(2); | |
42 | geant3->SetMULS(1); | |
43 | geant3->SetRAYL(1); | |
44 | geant3->SetAUTO(1); // Select automatic STMIN etc... calc. (AUTO 1) or manual (AUTO 0) | |
45 | geant3->SetABAN(0); // Restore 3.16 behaviour for abandoned tracks | |
46 | geant3->SetOPTI(2); // Select optimisation level for GEANT geometry searches (0,1,2) | |
47 | geant3->SetERAN(5.e-7); | |
48 | ||
49 | Float_t cut = 1.e-3; // 1MeV cut by default | |
50 | Float_t tofmax = 1.e10; | |
51 | // GAM ELEC NHAD CHAD MUON EBREM MUHAB EDEL MUDEL MUPA TOFMAX | |
52 | geant3->SetCUTS(cut,cut, cut, cut, cut, cut, cut, cut, cut, cut, tofmax); | |
53 | ||
54 | // ************* STEERING parameters FOR ALICE SIMULATION ************** | |
55 | // --- Specify event type to be tracked through the ALICE setup | |
56 | // --- All positions are in cm, angles in degrees, and P and E in GeV | |
57 | ||
58 | AliGenCocktail *gener = new AliGenCocktail(); | |
59 | ||
60 | AliGenBox *genEl = new AliGenBox(100); | |
61 | genEl->SetOrigin(0,0,0); // Vertex position | |
62 | genEl->SetSigma(0,0,0); // Sigma in (X,Y,Z) (cm) on IP position | |
63 | genEl->SetPart(11); // Only electrons | |
64 | ||
65 | AliGenBox *genPi = new AliGenBox(100); | |
66 | genPi->SetOrigin(0,0,0); // Vertex position | |
67 | genPi->SetSigma(0,0,0); // Sigma in (X,Y,Z) (cm) on IP position | |
68 | genPi->SetPart(-211); // Only pions | |
69 | ||
70 | gener->AddGenerator(genEl,"Electrons",1); | |
71 | gener->AddGenerator(genPi,"Pions" ,1); | |
72 | ||
73 | if (iField) { | |
74 | ||
75 | // With magnetic field on | |
76 | AliGenerator *gg = gener->FirstGenerator()->Generator(); | |
77 | gg->SetMomentumRange(3.00,3.01); | |
78 | gg->SetPhiRange(76.0,92.0); | |
79 | gg->SetThetaRange(83.0,97.0); | |
80 | gg = gener->NextGenerator()->Generator(); | |
81 | gg->SetMomentumRange(0.560,0.561); | |
82 | gg->SetPhiRange(62.0,78.0); | |
83 | gg->SetThetaRange(83.0,97.0); | |
84 | ||
85 | gener->Init(); | |
86 | ||
87 | // Specify maximum magnetic field in Tesla (neg. ==> default field) | |
88 | // 0.4 T | |
89 | gAlice->SetField(-999,2,2.0); | |
90 | ||
91 | } | |
92 | else { | |
93 | ||
94 | // With magnetic field off | |
95 | AliGenerator *gg = gener->FirstGenerator()->Generator(); | |
96 | gg->SetMomentumRange(3.00,3.01); | |
97 | gg->SetPhiRange(82.0,98.0); | |
98 | gg->SetThetaRange(83.0,97.0); | |
99 | gg = gener->NextGenerator()->Generator(); | |
100 | gg->SetMomentumRange(0.560,0.561); | |
101 | gg->SetPhiRange(82.0,98.0); | |
102 | gg->SetThetaRange(83.0,97.0); | |
103 | ||
104 | gener->Init(); | |
105 | ||
106 | // Specify maximum magnetic field in Tesla (neg. ==> default field) | |
107 | // No field | |
108 | gAlice->SetField(0); | |
109 | ||
110 | } | |
111 | ||
112 | Int_t iMAG = 1; | |
113 | Int_t iITS = 1; | |
114 | Int_t iTPC = 1; | |
115 | Int_t iTRD = 1; | |
116 | Int_t iABSO = 1; | |
117 | Int_t iDIPO = 1; | |
118 | Int_t iHALL = 1; | |
119 | Int_t iFRAME = 1; | |
120 | Int_t iSHIL = 1; | |
121 | Int_t iPIPE = 1; | |
122 | ||
123 | //=================== Alice BODY parameters ============================= | |
124 | AliBODY *BODY = new AliBODY("BODY","Alice envelop"); | |
125 | ||
126 | if (iMAG) { | |
127 | //=================== MAG parameters ============================ | |
128 | // --- Start with Magnet since detector layouts may be depending --- | |
129 | // --- on the selected Magnet dimensions --- | |
130 | AliMAG *MAG = new AliMAG("MAG","Magnet"); | |
131 | } | |
132 | ||
133 | if (iABSO) { | |
134 | //=================== ABSO parameters ============================ | |
135 | AliABSO *ABSO = new AliABSOv0("ABSO","Muon Absorber"); | |
136 | } | |
137 | ||
138 | if (iDIPO) { | |
139 | //=================== DIPO parameters ============================ | |
140 | AliDIPO *DIPO = new AliDIPOv2("DIPO","Dipole version 2"); | |
141 | } | |
142 | ||
143 | if (iHALL) { | |
144 | //=================== HALL parameters ============================ | |
145 | AliHALL *HALL = new AliHALL("HALL","Alice Hall"); | |
146 | } | |
147 | ||
148 | if (iFRAME) { | |
149 | //=================== FRAME parameters ============================ | |
150 | AliFRAME *FRAME = new AliFRAMEv1("FRAME","Space Frame"); | |
151 | } | |
152 | ||
153 | if (iSHIL) { | |
154 | //=================== SHIL parameters ============================ | |
155 | AliSHIL *SHIL = new AliSHILv0("SHIL","Shielding"); | |
156 | } | |
157 | ||
158 | if (iPIPE) { | |
159 | //=================== PIPE parameters ============================ | |
160 | AliPIPE *PIPE = new AliPIPEv0("PIPE","Beam Pipe"); | |
161 | } | |
162 | ||
163 | if (iITS) { | |
164 | //=================== ITS parameters ============================ | |
165 | // | |
166 | // EUCLID is a flag to output (=1) both geometry and media to two ASCII files | |
167 | // (called by default ITSgeometry.euc and ITSgeometry.tme) in a format | |
168 | // understandable to the CAD system EUCLID. The default (=0) means that you | |
169 | // dont want to use this facility. | |
170 | // | |
171 | ||
172 | AliITS *ITS = new AliITSv5asymm("ITS","Updates ITS TDR detailed version with asymmetric services"); | |
173 | ITS->SetEUCLID(0); | |
174 | ||
175 | } | |
176 | ||
177 | if (iTPC) { | |
178 | //============================ TPC parameters ================================ | |
179 | // --- This allows the user to specify sectors for the SLOW (TPC geometry 2) | |
180 | // --- Simulator. SecAL (SecAU) <0 means that ALL lower (upper) | |
181 | // --- sectors are specified, any value other than that requires at least one | |
182 | // --- sector (lower or upper)to be specified! | |
183 | // --- Reminder: sectors 1-24 are lower sectors (1-12 -> z>0, 13-24 -> z<0) | |
184 | // --- sectors 25-72 are the upper ones (25-48 -> z>0, 49-72 -> z<0) | |
185 | // --- SecLows - number of lower sectors specified (up to 6) | |
186 | // --- SecUps - number of upper sectors specified (up to 12) | |
187 | // --- Sens - sensitive strips for the Slow Simulator !!! | |
188 | // --- This does NOT work if all S or L-sectors are specified, i.e. | |
189 | // --- if SecAL or SecAU < 0 | |
190 | // | |
191 | // | |
192 | //----------------------------------------------------------------------------- | |
193 | ||
194 | AliTPC *TPC = new AliTPCv2("TPC","Default"); | |
195 | // All sectors included | |
196 | TPC->SetSecAL(-1); | |
197 | TPC->SetSecAU(-1); | |
198 | ||
199 | } | |
200 | ||
201 | if (iTRD) { | |
202 | //=================== TRD parameters ============================ | |
203 | ||
204 | AliTRD *TRD = new AliTRDv1("TRD","TRD slow simulator"); | |
205 | TRD->SetSensChamber(2); | |
206 | TRD->SetSensSector(13); | |
207 | ||
208 | // Set to detailed display | |
209 | TRD->SetDisplayType(1); | |
210 | ||
211 | // Draw TR photons | |
212 | TRD->SetDrawTR(1); | |
213 | ||
214 | // Switch on TR | |
215 | AliTRDsim *TRDsim = TRD->CreateTR(); | |
216 | ||
217 | } | |
218 | ||
219 | } |