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91a0cfa5 1// Fortran
2#include "TCallf77.h"
3
4// Fluka commons
5#include "Fdblprc.h" //(DBLPRC) fluka common
6#include "Fdimpar.h" //(DIMPAR) fluka parameters
7#include "Fepisor.h" //(EPISOR) fluka common
8#include "Fstack.h" //(STACK) fluka common
9#include "Fstars.h" //(STARS) fluka common
10#include "Fbeam.h" //(BEAM) fluka common
11#include "Fpaprop.h" //(PAPROP) fluka common
12#include "Fltclcm.h" //(LTCLCM) fluka common
13#include "Fpart.h"
14//#include "Fcaslim.h" //(CASLIM) fluka common
15
16#include "TVector3.h"
17#include "TRandom.h"
18#include "TParticle.h"
19#include "../EVGEN/AliGenScan.h"
20#include "AliStack.h"
21
22//Other
23#include <Riostream.h>
24
25#ifndef WIN32
26# define source source_
27# define geocrs geocrs_
28# define georeg georeg_
29# define geohsm geohsm_
30# define soevsv soevsv_
31# define mcihad mcihad_
32# define source_ray source_ray__
33#else
34# define source SOURCE
35# define geocrs GEOCRS
36# define georeg GEOREG
37# define geohsm GEOHSM
38# define soevsv SOEVSV
39# define mcihad MCIHAD
40# define source_ray SOURCE_RAY
41#endif
42
43extern "C" {
44 //
45 // Prototypes for FLUKA functions
46 //
47 void type_of_call geocrs(Double_t &, Double_t &, Double_t &);
48 void type_of_call georeg(Double_t &, Double_t &, Double_t &,
49 Int_t &, Int_t &);
50 void type_of_call geohsm(Int_t &, Int_t &, Int_t &, Int_t &);
51 void type_of_call soevsv();
52 int type_of_call mcihad(const int&);
53 /*
54 *----------------------------------------------------------------------*
55 * *
56 * Created on 07 january 1990 by Alfredo Ferrari & Paola Sala *
57 * Infn - Milan *
58 * *
59 * Last change on 21-jun-98 by Alfredo Ferrari *
60 * *
61 * C++ version on 27-sep-02 by Isidro Gonzalez *
62 * *
63 * This is just an example of a possible user written source routine. *
64 * note that the beam card still has some meaning - in the scoring the *
65 * maximum momentum used in deciding the binning is taken from the *
66 * beam momentum. Other beam card parameters are obsolete. *
67 * *
68 *----------------------------------------------------------------------*/
69
70 void source_ray(Int_t& nomore) {
71
72 static Bool_t lfirst = true;
73 static AliGenScan* gener = 0;
74 static AliStack* stack = 0;
75
76 nomore = 0;
77 TParticle* particle = 0;
78 Int_t itrack = -1;
79 if (lfirst) {
80 EPISOR.tkesum = zerzer;
81 lfirst = false;
82 EPISOR.lussrc = true;
83//
84// The generator
85//
86 gener = new AliGenScan(0);
87 gener->SetRange(40, -200., 200., 40, -200., 200., 1, -700., -699.);
88 gener->SetPart(0);
89 gener->SetThetaRange(180., 180.);
90 gener->SetPhiRange(0.,0.);
91
92
93// Stack
94 stack = new AliStack(10000);
95 gener->SetStack(stack);
96 gener->Init();
97
98 } else {
99 //
100 // Generate event
101 stack->Reset();
102 gener->Generate();
103 Int_t npart = stack->GetNprimary();
104 for (Int_t part = 0; part < npart; part++) {
105 STACK.lstack++;
106 particle = stack->Particle(part);
107
108 printf("Particle %5d %10s %10.3f %10.3f %10.3f \n",
109 STACK.lstack, particle->GetName(),
110 particle->Px(), particle->Py(), particle->Pz());
111
112
113
114 /* Wt is the weight of the particle*/
115 STACK.wt[STACK.lstack] = oneone;
116 STARS.weipri += STACK.wt[STACK.lstack];
117
118 // ray
119 STACK.ilo[STACK.lstack] = 0;
120 /* From this point .....
121 * Particle generation (1 for primaries)
122 */
123 STACK.lo[STACK.lstack] = 1;
124
125 /* User dependent flag:*/
126 STACK.louse[STACK.lstack] = 0;
127
128 /* User dependent spare variables:*/
129 Int_t ispr = 0;
130 for (ispr = 0; ispr < mkbmx1; ispr++)
131 STACK.sparek[STACK.lstack][ispr] = zerzer;
132
133 /* User dependent spare flags:*/
134 for (ispr = 0; ispr < mkbmx2; ispr++)
135 STACK.ispark[STACK.lstack][ispr] = 0;
136
137 /* Save the track number of the stack particle:*/
138 STACK.ispark[STACK.lstack][mkbmx2-1] = itrack;
139 STACK.nparma++;
140 STACK.numpar[STACK.lstack] = STACK.nparma;
141 STACK.nevent[STACK.lstack] = 0;
142 STACK.dfnear[STACK.lstack] = +zerzer;
143
144 /* Particle age (s)*/
145 STACK.agestk[STACK.lstack] = +zerzer;
146 STACK.aknshr[STACK.lstack] = -twotwo;
147
148 /* Group number for "low" energy neutrons, set to 0 anyway*/
149 STACK.igroup[STACK.lstack] = 0;
150
151 /* Kinetic energy */
152 STACK.tke[STACK.lstack] = particle->Energy() - particle->GetMass();
153
154
155 /* Particle momentum*/
156 STACK.pmom [STACK.lstack] = particle->P();
157
158 /* Cosines (tx,ty,tz)*/
159 Double_t cosx = particle->Px()/particle->P();
160 Double_t cosy = particle->Py()/particle->P();
161 Double_t cosz = TMath::Sqrt(oneone - cosx*cosx - cosy*cosy);
162 if (particle->Pz() < 0.) cosz = -cosz;
163
164 STACK.tx [STACK.lstack] = cosx;
165 STACK.ty [STACK.lstack] = cosy;
166 STACK.tz [STACK.lstack] = cosz;
167
168 /* Polarization cosines:*/
169 STACK.txpol [STACK.lstack] = -twotwo;
170 STACK.typol [STACK.lstack] = +zerzer;
171 STACK.tzpol [STACK.lstack] = +zerzer;
172
173 /* Particle coordinates*/
174 STACK.xa [STACK.lstack] = particle->Vx();
175 STACK.ya [STACK.lstack] = particle->Vy();
176 STACK.za [STACK.lstack] = particle->Vz();
177
178 printf("Particle Vertex %10.3f %10.3f %10.3f \n",
179 STACK.xa [STACK.lstack], STACK.ya [STACK.lstack], STACK.za [STACK.lstack]);
180
181
182
183 /* Calculate the total kinetic energy of the primaries: don't change*/
184 Int_t st_ilo = STACK.ilo[STACK.lstack];
185 if ( st_ilo != 0 )
186 EPISOR.tkesum +=
187 ((STACK.tke[STACK.lstack] + PAPROP.amdisc[st_ilo+6])
188 * STACK.wt[STACK.lstack]);
189 else
190 EPISOR.tkesum += (STACK.tke[STACK.lstack] * STACK.wt[STACK.lstack]);
191
192 /* Here we ask for the region number of the hitting point.
193 * NREG (LSTACK) = ...
194 * The following line makes the starting region search much more
195 * robust if particles are starting very close to a boundary:
196 */
197 geocrs( STACK.tx[STACK.lstack],
198 STACK.ty[STACK.lstack],
199 STACK.tz[STACK.lstack] );
200
201 Int_t idisc;
202
203 georeg ( STACK.xa[STACK.lstack],
204 STACK.ya[STACK.lstack],
205 STACK.za[STACK.lstack],
206 STACK.nreg[STACK.lstack],
207 idisc);//<-- dummy return variable not used
208 /* Do not change these cards:*/
209 Int_t igeohsm1 = 1;
210 Int_t igeohsm2 = -11;
211 geohsm ( STACK.nhspnt[STACK.lstack], igeohsm1, igeohsm2, LTCLCM.mlattc );
212 STACK.nlattc[STACK.lstack] = LTCLCM.mlattc;
213 soevsv();
214 }
215 }
216 }
217}
218
219