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Commit | Line | Data |
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9efe4ffa | 1 | enum gentype_t {hijing, gun, box, pythia, param, cocktail, fluka, halo, ntuple, scan, doublescan}; |
2 | ||
3 | gentype_t gentype=param; | |
4 | Int_t ntracks=1000; | |
5 | ||
6 | void Config() | |
7 | { | |
8 | ||
9 | new AliGeant3("C++ Interface to Geant3"); | |
10 | ||
11 | //======================================================================= | |
12 | // Create the output file | |
13 | ||
14 | TFile *rootfile = new TFile("galice.root","recreate"); | |
15 | rootfile->SetCompressionLevel(2); | |
16 | TGeant3 *geant3 = (TGeant3*)gMC; | |
17 | ||
18 | ||
19 | //======================================================================= | |
20 | // ******* GEANT STEERING parameters FOR ALICE SIMULATION ******* | |
21 | geant3->fGctrak->maxnst=1000000; | |
22 | ||
23 | geant3->SetTRIG(1); //Number of events to be processed | |
24 | geant3->SetSWIT(4,100); | |
25 | geant3->SetDEBU(0,0,1); | |
26 | geant3->SetDCAY(1); | |
27 | geant3->SetPAIR(1); | |
28 | geant3->SetCOMP(1); | |
29 | geant3->SetPHOT(1); | |
30 | geant3->SetPFIS(0); | |
31 | geant3->SetDRAY(1); | |
32 | geant3->SetANNI(1); | |
33 | geant3->SetBREM(1); | |
34 | geant3->SetMUNU(1); | |
35 | geant3->SetCKOV(0); | |
36 | geant3->SetHADR(4); //Select pure GEANH (HADR 1) or GEANH/NUCRIN (HADR 3) | |
37 | geant3->SetLOSS(1); | |
38 | geant3->SetMULS(1); | |
39 | geant3->SetRAYL(0); | |
40 | geant3->SetAUTO(0); //Select automatic STMIN etc... calc. (AUTO 1) or manual (AUTO 0) | |
41 | geant3->SetABAN(0); //Restore 3.16 behaviour for abandoned tracks | |
42 | geant3->SetOPTI(2); //Select optimisation level for GEANT geometry searches (0,1,2) | |
43 | Float_t cut = 1.e-1; // 100MeV cut by default | |
44 | Float_t tofmax = 1.e10; | |
45 | // GAM ELEC NHAD CHAD MUON EBREM MUHAB EDEL MUDEL MUPA TOFMAX | |
46 | geant3->SetCUTS(1.e-4, 1.e-4, 1.e-3, 1.e-4, 1.e-4, cut, cut, cut, cut, cut, 1.e-5); | |
47 | ||
48 | gAlice->TrackingLimits( 700, 2200); | |
49 | ||
50 | // | |
51 | //======================================================================= | |
52 | // ************* STEERING parameters FOR ALICE SIMULATION ************** | |
53 | // --- Specify event type to be tracked through the ALICE setup | |
54 | // --- All positions are in cm, angles in degrees, and P and E in GeV | |
55 | ||
56 | switch(gentype) | |
57 | { | |
58 | case gun: | |
59 | //********************************************* | |
60 | // Example for Fixed Particle Gun * | |
61 | //********************************************* | |
62 | AliGenFixed *gener = new AliGenFixed(ntracks); | |
63 | gener->SetMomentum(3); | |
64 | gener->SetPhiRange(0); | |
65 | gener->SetThetaRange(0); | |
66 | gener->SetOrigin(0,0,0); //vertex position | |
67 | gener->SetPart(kProton); //GEANT particle type | |
68 | break; | |
69 | case box: | |
70 | //********************************************* | |
71 | // Example for Moving Particle Gun * | |
72 | //********************************************* | |
73 | AliGenBox *gener = new AliGenBox(ntracks); | |
74 | gener->SetMomentumRange(3,4); | |
75 | gener->SetPhiRange(-360,360); | |
76 | gener->SetThetaRange(2., 10.); | |
77 | gener->SetOrigin(25,25,510.5); | |
78 | gener->SetVertexSmear(perTrack); | |
79 | //vertex position | |
80 | gener->SetSigma(1.8, 1.8,0); //Sigma in (X,Y,Z) (cm) on IP position | |
81 | gener->SetPart(kProton); //GEANT particle type | |
82 | break; | |
83 | case scan: | |
84 | //********************************************* | |
85 | // Scanning on a grid * | |
86 | //********************************************* | |
87 | AliGenScan *gener = new AliGenScan(-1); | |
88 | gener->SetMomentumRange(20,20); | |
89 | gener->SetPhiRange(90,90); | |
90 | gener->SetThetaRange(0,0); | |
91 | //vertex position | |
92 | gener->SetSigma(3,3,0); //Sigma in (X,Y,Z) (cm) on IP position | |
93 | gener->SetPart(kMuonMinus); | |
94 | gener->SetRange(20, -100, 100, 20, -100, 100, 1, 500, 500); | |
95 | break; | |
96 | case doublescan: | |
97 | //********************************************* | |
98 | // Scanning on a grid * | |
99 | //********************************************* | |
100 | AliGenDoubleScan *gener = new AliGenDoubleScan(-1); | |
101 | gener->SetMomentumRange(4,4); | |
102 | gener->SetPhiRange(0,360); | |
103 | gener->SetThetaRange(0,0); | |
104 | //vertex position | |
105 | gener->SetSigma(3,3,0); //Sigma in (X,Y,Z) (cm) on IP position | |
106 | gener->SetPart(8); | |
107 | gener->SetRange(20, -100, 100, 20, -100, 100, 1, 500, 500); | |
108 | gener->SetDistance(1); | |
109 | ||
110 | break; | |
111 | ||
112 | case hijing: | |
113 | AliGenHIJINGpara *gener = new AliGenHIJINGpara(ntracks); | |
114 | gener->SetMomentumRange(0,999); | |
115 | gener->SetPhiRange(0,360); | |
116 | gener->SetThetaRange(0.104,33.52); | |
117 | gener->SetOrigin(0,0,0); //vertex position | |
118 | gener->SetSigma(0,0,5.6); //Sigma in (X,Y,Z) (cm) on IP position | |
119 | break; | |
120 | ||
121 | case pythia: | |
122 | //******************************************** | |
123 | // Example for Charm Production with Pythia * | |
124 | //******************************************** | |
125 | ||
126 | AliGenPythia *gener = new AliGenPythia(ntracks); | |
127 | gener->SetMomentumRange(0,999); | |
128 | gener->SetPhiRange(0,360); | |
129 | gener->SetThetaRange(0., 180.); | |
130 | gener->SetYRange(-10,10); | |
131 | gener->SetPtRange(0,100); | |
132 | gener->SetOrigin(0,0,0); // vertex position | |
133 | gener->SetVertexSmear(perEvent); | |
134 | gener->SetSigma(0,0,5.6); // Sigma in (X,Y,Z) (cm) on IP position | |
135 | // gener->SetStrucFunc(DO_Set_1); | |
136 | gener->SetProcess(mb); | |
137 | gener->SetEnergyCMS(5500.); | |
138 | break; | |
139 | ||
140 | case param: | |
141 | //******************************************************* | |
142 | // Example for J/psi Production from Parameterisation * | |
143 | //******************************************************* | |
144 | AliGenParam *gener = new AliGenParam(ntracks,upsilon_p); | |
145 | // AliGenParam *gener = new AliGenParam(ntracks, jpsi_p); | |
146 | gener->SetMomentumRange(0,999); | |
147 | gener->SetPhiRange(0,360); | |
148 | gener->SetYRange(2.5,4); | |
149 | gener->SetPtRange(0,50); | |
150 | gener->SetOrigin(0,0,0); //vertex position | |
151 | gener->SetSigma(0,0,0); //Sigma in (X,Y,Z) (cm) on IP position | |
152 | gener->SetForceDecay(dimuon); | |
153 | gener->SetCutOnChild(1); | |
154 | gener->SetChildThetaRange(2,9); | |
155 | gener->SetTrackingFlag(1); | |
156 | ||
157 | break; | |
158 | ||
159 | case fluka: | |
160 | //******************************************************* | |
161 | // Example for a FLUKA Boundary Source * | |
162 | //******************************************************* | |
163 | AliGenFLUKAsource *gener = new AliGenFLUKAsource(-1); | |
164 | gener->AddFile("$(ALICE_ROOT)/data/all32.root"); | |
165 | rootfile->cd(); | |
166 | gener->SetPartFlag(7); | |
167 | gener->SetMomentumRange(0,999); | |
168 | gener->SetPhiRange(0,360); | |
169 | gener->SetThetaRange(0., 180.); | |
170 | gener->SetAgeMax(1.e-5); | |
171 | ||
172 | // 31.7 events | |
173 | gener->SetFraction(0.0315); | |
174 | break; | |
175 | ||
176 | case ntuple: | |
177 | //******************************************************* | |
178 | // Example for reading from a external file * | |
179 | //******************************************************* | |
180 | AliGenExtFile *gener = new AliGenExtFile(-1); | |
181 | gener->SetFileName("$(ALICE_ROOT)/data/pbpb.root"); | |
182 | gener->SetThetaRange(0.104,33.52); | |
183 | gener->SetOrigin(0,0,0); //vertex position | |
184 | gener->SetSigma(0,0,5.6); //Sigma in (X,Y,Z) (cm) on IP position | |
185 | gener->SetVertexSmear(perTrack); | |
186 | gener->SetTrackingFlag(1); | |
187 | break; | |
188 | ||
189 | case halo: | |
190 | //******************************************************* | |
191 | // Example for Tunnel Halo Source * | |
192 | //******************************************************* | |
193 | AliGenHalo *gener = new AliGenHalo(ntracks); | |
194 | gener->SetFileName("/h1/morsch/marsip/marsip5.mu"); | |
195 | break; | |
196 | ||
197 | case cocktail: | |
198 | //******************************************************* | |
199 | // Example for a Cocktail * | |
200 | //******************************************************* | |
201 | AliGenCocktail *gener = new AliGenCocktail(); | |
202 | gener->SetMomentumRange(0,10); | |
203 | gener->SetPhiRange(0,360); | |
204 | gener->SetThetaRange(45.,135); | |
205 | ||
206 | pions = new AliGenParam(100, pion_p); | |
207 | // kaons = new AliGenParam(10 , kaon_p); | |
208 | // protons = new AliGenParam(10 , proton_p); | |
209 | gener->AddGenerator(pions , "Pions" , 100); | |
210 | // gener->AddGenerator(kaons , "Kaons" , 10); | |
211 | // gener->AddGenerator(protons, "Protons", 10); | |
212 | ||
213 | break; | |
214 | } | |
215 | ||
216 | // Activate this line if you want the vertex smearing to happen | |
217 | // track by track | |
218 | // | |
219 | ||
220 | gener->Init(); | |
221 | gAlice->SetField(-2,1); //Specify maximum magnetic field in Tesla (neg. ==> default field) | |
222 | Int_t iMAG =0; | |
223 | Int_t iABSO =0; | |
224 | Int_t iDIPO =0; | |
225 | Int_t iSHIL =0; | |
226 | Int_t iPIPE =0; | |
227 | Int_t iMUON =1; | |
228 | ||
229 | //=================== Alice BODY parameters ============================= | |
230 | AliBODY *BODY = new AliBODY("BODY","Alice envelop"); | |
231 | ||
232 | if(iMAG) { | |
233 | //=================== MAG parameters ============================ | |
234 | // --- Start with Magnet since detector layouts may be depending --- | |
235 | // --- on the selected Magnet dimensions --- | |
236 | AliMAG *MAG = new AliMAG("MAG","Magnet"); | |
237 | } | |
238 | ||
239 | if(iABSO) { | |
240 | //=================== ABSO parameters ============================ | |
241 | AliABSO *ABSO = new AliABSOv1("ABSO","Muon Absorber"); | |
242 | } | |
243 | ||
244 | if(iDIPO) { | |
245 | //=================== DIPO parameters ============================ | |
246 | ||
247 | AliDIPO *DIPO = new AliDIPOv2("DIPO","Dipole version 2"); | |
248 | } | |
249 | ||
250 | ||
251 | if(iSHIL) { | |
252 | //=================== SHIL parameters ============================ | |
253 | AliSHIL *SHIL = new AliSHILv1("SHIL","Shielding"); | |
254 | } | |
255 | ||
256 | ||
257 | if(iPIPE) { | |
258 | //=================== PIPE parameters ============================ | |
259 | AliPIPE *PIPE = new AliPIPEv0("PIPE","Beam Pipe"); | |
260 | } | |
261 | ||
262 | ||
263 | if(iMUON) { | |
264 | //=================== MUON parameters =========================== | |
265 | ||
266 | AliMUON *MUON = new AliMUONv0("MUON","normal MUON"); | |
267 | MUON->SetAcceptance(kTRUE, 0.1, 12.); | |
268 | MUON->SetIshunt(0); | |
269 | MUON->SetMaxStepGas(0.1); | |
270 | MUON->SetMaxStepAlu(0.1); | |
271 | } | |
272 | } |