TFluka/source.cxx

   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 "Fopphst.h"  //(OPPHST) fluka common
  14 //#include "Fcaslim.h"  //(CASLIM) fluka common
  15
  16 //Virutal MC
  17 #include "TFluka.h"
  18
  19 #include "TVirtualMCStack.h"
  20 //#include "TVirtualMCApplication.h"
  21
  22 #include "TParticle.h"
  23 #include "TVector3.h"
  24
  25 //Other
  26 #include <Riostream.h>
  27
  28 #ifndef WIN32
  29 # define source source_
  30 # define geocrs geocrs_
  31 # define georeg georeg_
  32 # define geohsm geohsm_
  33 # define soevsv soevsv_
  34 #else
  35 # define source SOURCE
  36 # define geocrs GEOCRS
  37 # define georeg GEOREG
  38 # define geohsm GEOHSM
  39 # define soevsv SOEVSV
  40 #endif
  41
  42 extern "C" {
  43   //
  44   // Prototypes for FLUKA functions
  45   //
  46   void type_of_call geocrs(Double_t &, Double_t &, Double_t &);
  47   void type_of_call georeg(Double_t &, Double_t &, Double_t &,
  48                            Int_t &, Int_t &);
  49   void type_of_call geohsm(Int_t &, Int_t &, Int_t &, Int_t &);
  50   void type_of_call soevsv();
  51  /*
  52    *----------------------------------------------------------------------*
  53    *                                                                      *
  54    *     Created on 07 january 1990   by    Alfredo Ferrari & Paola Sala  *
  55    *                                                   Infn - Milan       *
  56    *                                                                      *
  57    *     Last change on 21-jun-98     by    Alfredo Ferrari               *
  58    *                                                                      *
  59    *     C++ version on 27-sep-02     by    Isidro Gonzalez               *
  60    *                                                                      *
  61    *  This is just an example of a possible user written source routine.  *
  62    *  note that the beam card still has some meaning - in the scoring the *
  63    *  maximum momentum used in deciding the binning is taken from the     *
  64    *  beam momentum.  Other beam card parameters are obsolete.            *
  65    *                                                                      *
  66    *----------------------------------------------------------------------*/
  67
  68   void source(Int_t& nomore) {
  69     // Get the pointer to TFluka
  70     TFluka* fluka = (TFluka*)gMC;
  71     Int_t verbosityLevel = fluka->GetVerbosityLevel();
  72     Bool_t debug = (verbosityLevel>=3)?kTRUE:kFALSE;
  73     if (debug) {
  74       cout << "==> source(" << nomore << ")" << endl;
  75       cout << "\t* EPISOR.lsouit = " << (EPISOR.lsouit?'T':'F') << endl;
  76     }
  77
  78     static Bool_t lfirst = true;
  79     static Bool_t particleIsPrimary = true;
  80     static Bool_t lastParticleWasPrimary = true;
  81
  82       /*  +-------------------------------------------------------------------*
  83        *    First call initializations for FLUKA:                             */
  84
  85
  86     nomore = 0;
  87     // Get the stack
  88     TVirtualMCStack* cppstack = fluka->GetStack();
  89     TParticle* particle;
  90     Int_t itrack = -1;
  91     Int_t  nprim  = cppstack->GetNprimary();
  92 //  Get the next particle from the stack
  93     particle  = cppstack->PopNextTrack(itrack);
  94     fluka->SetTrackIsNew(kTRUE);
  95
  96 //  Is this a secondary not handled by Fluka, i.e. a particle added by user action ?
  97     lastParticleWasPrimary = particleIsPrimary;
  98
  99     if (itrack >= nprim) {
 100         particleIsPrimary = kFALSE;
 101     } else {
 102         particleIsPrimary = kTRUE;
 103     }
 104
 105 //    printf("--->Got Particle %d %d %d\n", itrack, particleIsPrimary, lastParticleWasPrimary);
 106
 107     if (lfirst) {
 108         EPISOR.tkesum = zerzer;
 109         lfirst = false;
 110         EPISOR.lussrc = true;
 111     } else {
 112 //
 113 // Post-track actions for primary track
 114 //
 115         if (particleIsPrimary) {
 116             TVirtualMCApplication::Instance()->PostTrack();
 117             TVirtualMCApplication::Instance()->FinishPrimary();
 118        if ((itrack%10)==0) printf("=== TRACKING PRIMARY %d ===\n", itrack);
 119         }
 120     }
 121
 122     //Exit if itrack is negative (-1). Set lsouit to false to mark last track for
 123     //this event
 124
 125     if (itrack<0) {
 126       nomore = 1;
 127       EPISOR.lsouit = false;
 128       if (debug) {
 129          cout << "\t* EPISOR.lsouit = " << (EPISOR.lsouit?'T':'F') << endl;
 130          cout << "\t* No more particles. Exiting..." << endl;
 131          cout << "<== source(" << nomore << ")" << endl;
 132       }
 133       return;
 134     }
 135
 136     //Get some info about the particle and print it
 137     //
 138     //pdg code
 139     Int_t pdg = particle->GetPdgCode();
 140
 141     TVector3 polarisation;
 142     particle->GetPolarisation(polarisation);
 143     if (debug) {
 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     }
 154     /* Lstack is the stack counter: of course any time source is called it
 155      * must be =0
 156      */
 157     /* Cosines (tx,ty,tz)*/
 158     Double_t cosx = particle->Px()/particle->P();
 159     Double_t cosy = particle->Py()/particle->P();
 160     Double_t cosz = TMath::Sqrt(oneone - cosx*cosx - cosy*cosy);
 161     if (particle->Pz() < 0.) cosz = -cosz;
 162
 163     //STACK.ilo[STACK.lstack] = BEAM.ijbeam;
 164     if (pdg != 50000050 &&  pdg !=  50000051) {
 165         STACK.lstack++;
 166
 167         STACK.ilo[STACK.lstack] = fluka-> IdFromPDG(pdg);
 168
 169         /* Wt is the weight of the particle*/
 170         STACK.wt[STACK.lstack] = oneone;
 171         STARS.weipri += STACK.wt[STACK.lstack];
 172
 173         STACK.lo[STACK.lstack] = 1;
 174
 175         /* User dependent flag:*/
 176         STACK.louse[STACK.lstack] = 0;
 177
 178         /* User dependent spare variables:*/
 179         Int_t ispr = 0;
 180         for (ispr = 0; ispr < mkbmx1; ispr++)
 181             STACK.sparek[STACK.lstack][ispr] = zerzer;
 182
 183         /* User dependent spare flags:*/
 184         for (ispr = 0; ispr < mkbmx2; ispr++)
 185             STACK.ispark[STACK.lstack][ispr] = 0;
 186
 187         /* Save the track number of the stack particle:*/
 188         STACK.ispark[STACK.lstack][mkbmx2-1] = itrack;
 189         STACK.nparma++;
 190         STACK.numpar[STACK.lstack] = STACK.nparma;
 191         STACK.nevent[STACK.lstack] = 0;
 192         STACK.dfnear[STACK.lstack] = +zerzer;
 193
 194         /* Particle age (s)*/
 195         STACK.agestk[STACK.lstack] = +zerzer;
 196         STACK.cmpath[STACK.lstack] = +zerzer;
 197         STACK.aknshr[STACK.lstack] = -twotwo;
 198
 199         /* Group number for "low" energy neutrons, set to 0 anyway*/
 200         STACK.igroup[STACK.lstack] = 0;
 201
 202         /* Kinetic energy */
 203         STACK.tke[STACK.lstack] = particle->Energy() - particle->GetMass();
 204         /* Particle momentum*/
 205         STACK.pmom [STACK.lstack] = particle->P();
 206
 207
 208         STACK.tx [STACK.lstack] = cosx;
 209         STACK.ty [STACK.lstack] = cosy;
 210         STACK.tz [STACK.lstack] = cosz;
 211
 212         /* Polarization cosines:*/
 213         if (polarisation.Mag()) {
 214             Double_t cospolx = polarisation.Px() / polarisation.Mag();
 215             Double_t cospoly = polarisation.Py() / polarisation.Mag();
 216             Double_t cospolz = sqrt(oneone - cospolx * cospolx - cospoly * cospoly);
 217             STACK.txpol [STACK.lstack] = cospolx;
 218             STACK.typol [STACK.lstack] = cospoly;
 219             STACK.tzpol [STACK.lstack] = cospolz;
 220         }
 221         else {
 222             STACK.txpol [STACK.lstack] = -twotwo;
 223             STACK.typol [STACK.lstack] = +zerzer;
 224             STACK.tzpol [STACK.lstack] = +zerzer;
 225         }
 226
 227         /* Particle coordinates*/
 228         // Vertext coordinates;
 229         STACK.xa [STACK.lstack] = particle->Vx();
 230         STACK.ya [STACK.lstack] = particle->Vy();
 231         STACK.za [STACK.lstack] = particle->Vz();
 232
 233         /*  Calculate the total kinetic energy of the primaries: don't change*/
 234         Int_t st_ilo =  STACK.ilo[STACK.lstack];
 235         if ( st_ilo != 0 )
 236             EPISOR.tkesum +=
 237                 ((STACK.tke[STACK.lstack] + PAPROP.amdisc[st_ilo+6])
 238                  * STACK.wt[STACK.lstack]);
 239         else
 240             EPISOR.tkesum += (STACK.tke[STACK.lstack] * STACK.wt[STACK.lstack]);
 241
 242         /*  Here we ask for the region number of the hitting point.
 243          *     NREG (LSTACK) = ...
 244          *  The following line makes the starting region search much more
 245          *  robust if particles are starting very close to a boundary:
 246          */
 247         geocrs( STACK.tx[STACK.lstack],
 248                 STACK.ty[STACK.lstack],
 249                 STACK.tz[STACK.lstack] );
 250
 251         Int_t idisc;
 252
 253         georeg ( STACK.xa[STACK.lstack],
 254                  STACK.ya[STACK.lstack],
 255                  STACK.za[STACK.lstack],
 256                  STACK.nreg[STACK.lstack],
 257                  idisc);//<-- dummy return variable not used
 258         /*  Do not change these cards:*/
 259         Int_t igeohsm1 = 1;
 260         Int_t igeohsm2 = -11;
 261         geohsm ( STACK.nhspnt[STACK.lstack], igeohsm1, igeohsm2, LTCLCM.mlattc );
 262         STACK.nlattc[STACK.lstack] = LTCLCM.mlattc;
 263         soevsv();
 264     } else {
 265         // Next particle is optical photon
 266         OPPHST.lstopp++;
 267         OPPHST.donear [OPPHST.lstopp - 1] = 0.;
 268
 269         OPPHST.xoptph [OPPHST.lstopp - 1] = particle->Vx();
 270         OPPHST.yoptph [OPPHST.lstopp - 1] = particle->Vy();
 271         OPPHST.zoptph [OPPHST.lstopp - 1] = particle->Vz();
 272
 273         OPPHST.txopph [OPPHST.lstopp - 1] = cosx;
 274         OPPHST.tyopph [OPPHST.lstopp - 1] = cosy;
 275         OPPHST.tzopph [OPPHST.lstopp - 1] = cosz;
 276
 277
 278         if (polarisation.Mag()) {
 279             Double_t cospolx = polarisation.Px() / polarisation.Mag();
 280             Double_t cospoly = polarisation.Py() / polarisation.Mag();
 281             Double_t cospolz = sqrt(oneone - cospolx * cospolx - cospoly * cospoly);
 282             OPPHST.txpopp [OPPHST.lstopp - 1] = cospolx;
 283             OPPHST.typopp [OPPHST.lstopp - 1] = cospoly;
 284             OPPHST.tzpopp [OPPHST.lstopp - 1] = cospolz;
 285         }
 286         else {
 287             OPPHST.txpopp [OPPHST.lstopp - 1] = -twotwo;
 288             OPPHST.typopp [OPPHST.lstopp - 1] = +zerzer;
 289             OPPHST.tzpopp [OPPHST.lstopp - 1] = +zerzer;
 290         }
 291
 292         geocrs( OPPHST.txopph[OPPHST.lstopp - 1],
 293                 OPPHST.tyopph[OPPHST.lstopp - 1],
 294                 OPPHST.tzopph[OPPHST.lstopp - 1] );
 295
 296         Int_t idisc;
 297
 298         georeg ( OPPHST.xoptph[OPPHST.lstopp - 1],
 299                  OPPHST.yoptph[OPPHST.lstopp - 1],
 300                  OPPHST.zoptph[OPPHST.lstopp - 1],
 301                  OPPHST.nregop[OPPHST.lstopp - 1],
 302                  idisc);//<-- dummy return variable not used
 303
 304         OPPHST.wtopph [OPPHST.lstopp - 1] = particle->GetWeight();
 305         OPPHST.poptph [OPPHST.lstopp - 1] = particle->P();
 306         OPPHST.agopph [OPPHST.lstopp - 1] = particle->T();
 307         OPPHST.cmpopp [OPPHST.lstopp - 1] = +zerzer;
 308         OPPHST.loopph [OPPHST.lstopp - 1] = 0;
 309 //      Int_t mother = particle->GetFirstMother();
 310         OPPHST.louopp [OPPHST.lstopp - 1] = itrack;
 311 /*
 312         if (mother > -1) {
 313             TParticle* mparticle = cppstack->Particle(mother);
 314             OPPHST.apropp [OPPHST.lstopp - 1] = mparticle->T();
 315             Int_t mpdg = mparticle->GetPdgCode();
 316             if (mpdg == 50000050 || mpdg 50000051) {
 317                 OPPHST.ipropp [OPPHST.lstopp - 1] = -1;
 318                 OPPHST.tpropp [OPPHST.lstopp - 1] = mparticle->Energy();
 319             } else {
 320                 OPPHST.ipropp [OPPHST.lstopp - 1] = mpdg;
 321                 OPPHST.tpropp [OPPHST.lstopp - 1] = mparticle->Energy() - mparticle->GetMass();
 322             }
 323
 324         }
 325 */
 326     }
 327
 328 //
 329 //  Pre-track actions at for primary tracks
 330 //
 331     if (particleIsPrimary) {
 332         TVirtualMCApplication::Instance()->BeginPrimary();
 333         TVirtualMCApplication::Instance()->PreTrack();
 334     }
 335
 336 //
 337     if (debug) cout << "<== source(" << nomore << ")" << endl;
 338   }
 339 }