7 #include "Fdblprc.h" //(DBLPRC) fluka common
8 #include "Fdimpar.h" //(DIMPAR) fluka parameters
9 #include "Fepisor.h" //(EPISOR) fluka common
10 #include "Fstack.h" //(STACK) fluka common
11 #include "Fstars.h" //(STARS) fluka common
12 #include "Fbeam.h" //(BEAM) fluka common
13 #include "Fpaprop.h" //(PAPROP) fluka common
14 #include "Fltclcm.h" //(LTCLCM) fluka common
15 //#include "Fcaslim.h" //(CASLIM) fluka common
21 #include "TFlukaGeo.h"
24 #include "TVirtualMCStack.h"
25 #include "TVirtualMCApplication.h"
26 #include "TParticle.h"
30 #include <Riostream.h>
33 # define source source_
34 # define geocrs geocrs_
35 # define georeg georeg_
36 # define geohsm geohsm_
37 # define soevsv soevsv_
39 # define source SOURCE
40 # define geocrs GEOCRS
41 # define georeg GEOREG
42 # define geohsm GEOHSM
43 # define soevsv SOEVSV
48 // Prototypes for FLUKA functions
50 void type_of_call geocrs(Double_t &, Double_t &, Double_t &);
51 void type_of_call georeg(Double_t &, Double_t &, Double_t &,
53 void type_of_call geohsm(Int_t &, Int_t &, Int_t &, Int_t &);
54 void type_of_call soevsv();
56 *----------------------------------------------------------------------*
58 * Created on 07 january 1990 by Alfredo Ferrari & Paola Sala *
61 * Last change on 21-jun-98 by Alfredo Ferrari *
63 * C++ version on 27-sep-02 by Isidro Gonzalez *
65 * This is just an example of a possible user written source routine. *
66 * note that the beam card still has some meaning - in the scoring the *
67 * maximum momentum used in deciding the binning is taken from the *
68 * beam momentum. Other beam card parameters are obsolete. *
70 *----------------------------------------------------------------------*/
72 void source(Int_t& nomore) {
74 cout << "==> source(" << nomore << ")" << endl;
77 cout << "\t* EPISOR.lsouit = " << (EPISOR.lsouit?'T':'F') << endl;
79 static Bool_t lfirst = true;
80 static Bool_t particleIsPrimary = true;
81 static Bool_t lastParticleWasPrimary = true;
83 /* +-------------------------------------------------------------------*
84 * First call initializations for FLUKA: */
88 // Get the pointer to the VMC
89 TVirtualMC* fluka = TFluka::GetMC();
91 TVirtualMCStack* cppstack = fluka->GetStack();
94 Int_t nprim = cppstack->GetNprimary();
95 // Get the next particle from the stack
96 particle = cppstack->PopNextTrack(itrack);
98 // Is this a secondary not handled by Fluka, i.e. a particle added by user action ?
99 lastParticleWasPrimary = particleIsPrimary;
101 if (itrack >= nprim) {
102 particleIsPrimary = kFALSE;
104 particleIsPrimary = kTRUE;
107 // printf("--->Got Particle %d %d %d\n", itrack, particleIsPrimary, lastParticleWasPrimary);
110 EPISOR.tkesum = zerzer;
112 EPISOR.lussrc = true;
115 // Post-track actions for primary track
117 if (particleIsPrimary) {
118 TVirtualMCApplication::Instance()->PostTrack();
119 TVirtualMCApplication::Instance()->FinishPrimary();
123 //Exit if itrack is negative (-1). Set lsouit to false to mark last track for
128 EPISOR.lsouit = false;
129 cout << "\t* EPISOR.lsouit = " << (EPISOR.lsouit?'T':'F') << endl;
130 cout << "\t* No more particles. Exiting..." << endl;
132 cout << "<== source(" << nomore << ")" << endl;
137 //Get some info about the particle and print it
140 Int_t pdg = particle->GetPdgCode();
142 TVector3 polarisation;
143 particle->GetPolarisation(polarisation);
144 cout << "\t* Particle " << itrack << " retrieved..." << endl;
145 cout << "\t\t+ Name = " << particle->GetName() << endl;
146 cout << "\t\t+ PDG/Fluka code = " << pdg
147 << " / " << fluka->IdFromPDG(pdg) << endl;
148 cout << "\t\t+ P = ("
149 << particle->Px() << " , "
150 << particle->Py() << " , "
151 << particle->Pz() << " ) --> "
152 << particle->P() << " GeV" << endl;
153 /* Lstack is the stack counter: of course any time source is called it
159 /* Wt is the weight of the particle*/
160 STACK.wt[STACK.lstack] = oneone;
161 STARS.weipri += STACK.wt[STACK.lstack];
163 /* Particle type (1=proton.....). Ijbeam is the type set by the BEAM
167 //STACK.ilo[STACK.lstack] = BEAM.ijbeam;
168 if (pdg == 50000050 || pdg == 50000051) {
169 STACK.ilo[STACK.lstack] = fluka-> IdFromPDG(22);
171 STACK.ilo[STACK.lstack] = fluka-> IdFromPDG(pdg);
177 /* From this point .....
178 * Particle generation (1 for primaries)
180 STACK.lo[STACK.lstack] = 1;
182 /* User dependent flag:*/
183 STACK.louse[STACK.lstack] = 0;
185 /* User dependent spare variables:*/
187 for (ispr = 0; ispr < mkbmx1; ispr++)
188 STACK.sparek[STACK.lstack][ispr] = zerzer;
190 /* User dependent spare flags:*/
191 for (ispr = 0; ispr < mkbmx2; ispr++)
192 STACK.ispark[STACK.lstack][ispr] = 0;
194 /* Save the track number of the stack particle:*/
195 STACK.ispark[STACK.lstack][mkbmx2-1] = itrack;
197 STACK.numpar[STACK.lstack] = STACK.nparma;
198 STACK.nevent[STACK.lstack] = 0;
199 STACK.dfnear[STACK.lstack] = +zerzer;
201 /* Particle age (s)*/
202 STACK.agestk[STACK.lstack] = +zerzer;
203 STACK.aknshr[STACK.lstack] = -twotwo;
205 /* Group number for "low" energy neutrons, set to 0 anyway*/
206 STACK.igroup[STACK.lstack] = 0;
209 if (pdg == 50000050 || pdg == 50000051) {
211 // Special case for optical photons
212 STACK.tke[STACK.lstack] = particle->Energy();
214 STACK.tke[STACK.lstack] = particle->Energy() - particle->GetMass();
218 /* Particle momentum*/
219 STACK.pmom [STACK.lstack] = particle->P();
221 /* Cosines (tx,ty,tz)*/
222 Double_t cosx = particle->Px()/particle->P();
223 Double_t cosy = particle->Py()/particle->P();
224 Double_t cosz = TMath::Sqrt(oneone - cosx*cosx - cosy*cosy);
225 if (particle->Pz() < 0.) cosz = -cosz;
226 STACK.tx [STACK.lstack] = cosx;
227 STACK.ty [STACK.lstack] = cosy;
228 STACK.tz [STACK.lstack] = cosz;
230 /* Polarization cosines:*/
231 if (polarisation.Mag()) {
232 Double_t cospolx = polarisation.Px()/polarisation.Mag();
233 Double_t cospoly = polarisation.Py()/polarisation.Mag();
234 Double_t cospolz = sqrt(oneone - cospolx*cospolx - cospoly*cospoly);
235 STACK.tx [STACK.lstack] = cospolx;
236 STACK.ty [STACK.lstack] = cospoly;
237 STACK.tz [STACK.lstack] = cospolz;
240 STACK.txpol [STACK.lstack] = -twotwo;
241 STACK.typol [STACK.lstack] = +zerzer;
242 STACK.tzpol [STACK.lstack] = +zerzer;
245 /* Particle coordinates*/
246 // Vertext coordinates;
247 STACK.xa [STACK.lstack] = particle->Vx();
248 STACK.ya [STACK.lstack] = particle->Vy();
249 STACK.za [STACK.lstack] = particle->Vz();
251 /* Calculate the total kinetic energy of the primaries: don't change*/
252 Int_t st_ilo = STACK.ilo[STACK.lstack];
255 ((STACK.tke[STACK.lstack] + PAPROP.amdisc[st_ilo+6])
256 * STACK.wt[STACK.lstack]);
258 EPISOR.tkesum += (STACK.tke[STACK.lstack] * STACK.wt[STACK.lstack]);
260 /* Here we ask for the region number of the hitting point.
261 * NREG (LSTACK) = ...
262 * The following line makes the starting region search much more
263 * robust if particles are starting very close to a boundary:
265 geocrs( STACK.tx[STACK.lstack],
266 STACK.ty[STACK.lstack],
267 STACK.tz[STACK.lstack] );
271 georeg ( STACK.xa[STACK.lstack],
272 STACK.ya[STACK.lstack],
273 STACK.za[STACK.lstack],
274 STACK.nreg[STACK.lstack],
275 idisc);//<-- dummy return variable not used
276 /* Do not change these cards:*/
278 Int_t igeohsm2 = -11;
279 geohsm ( STACK.nhspnt[STACK.lstack], igeohsm1, igeohsm2, LTCLCM.mlattc );
280 STACK.nlattc[STACK.lstack] = LTCLCM.mlattc;
283 // Pre-track actions at for primary tracks
285 if (particleIsPrimary) {
286 TVirtualMCApplication::Instance()->BeginPrimary();
287 TVirtualMCApplication::Instance()->PreTrack();
293 cout << "<== source(" << nomore << ")" << endl;