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
  72     Int_t verbosityLevel = fluka->GetVerbosityLevel();
  73     Bool_t debug = (verbosityLevel>=3)?kTRUE:kFALSE;
  74     if (debug) {
  75       cout << "==> source(" << nomore << ")" << endl;
  76       cout << "\t* EPISOR.lsouit = " << (EPISOR.lsouit?'T':'F') << endl;
  77     }
  78
  79     static Bool_t lfirst = true;
  80     static Bool_t particleIsPrimary = true;
  81     static Bool_t lastParticleWasPrimary = true;
  82
  83     nomore = 0;
  84
  85 //  Get the stack
  86     TVirtualMCStack* cppstack = fluka->GetStack();
  87
  88     TParticle* particle;
  89     Int_t itrack = -1;
  90     Int_t  nprim  = cppstack->GetNprimary();
  91 //  Get the next particle from the stack
  92     particle  = cppstack->PopNextTrack(itrack);
  93     fluka->SetTrackIsNew(kTRUE);
  94
  95 //  Is this a secondary not handled by Fluka, i.e. a particle added by user action ?
  96     lastParticleWasPrimary = particleIsPrimary;
  97
  98     if (itrack >= nprim) {
  99         particleIsPrimary = kFALSE;
 100     } else {
 101         particleIsPrimary = kTRUE;
 102     }
 103
 104     if (lfirst) {
 105         EPISOR.tkesum = zerzer;
 106         lfirst = false;
 107         EPISOR.lussrc = true;
 108     } else {
 109 //
 110 // Post-track actions for primary track
 111 //
 112         if (particleIsPrimary) {
 113             TVirtualMCApplication::Instance()->PostTrack();
 114             TVirtualMCApplication::Instance()->FinishPrimary();
 115             if ((itrack%10)==0) printf("=== TRACKING PRIMARY %d ===\n", itrack);
 116         }
 117     }
 118
 119     // Exit if itrack is negative (-1). Set lsouit to false to mark last track for this event
 120
 121     if (itrack<0) {
 122       nomore = 1;
 123       EPISOR.lsouit = false;
 124       if (debug) {
 125          cout << "\t* EPISOR.lsouit = " << (EPISOR.lsouit?'T':'F') << endl;
 126          cout << "\t* No more particles. Exiting..." << endl;
 127          cout << "<== source(" << nomore << ")" << endl;
 128       }
 129       return;
 130     }
 131
 132     //
 133     // Handle user event abortion
 134     if (fluka->EventIsStopped()) {
 135         printf("Event has been stopped by user !");
 136         fluka->SetStopEvent(kFALSE);
 137         nomore = 1;
 138         EPISOR.lsouit = false;
 139         return;
 140     }
 141
 142     //Get some info about the particle and print it
 143     //
 144     //pdg code
 145     Int_t pdg = particle->GetPdgCode();
 146     TVector3 polarisation;
 147     particle->GetPolarisation(polarisation);
 148     if (debug) {
 149        cout << "\t* Particle " << itrack << " retrieved..." << endl;
 150        cout << "\t\t+ Name = " << particle->GetName() << endl;
 151        cout << "\t\t+ PDG/Fluka code = " << pdg
 152             << " / " << fluka->IdFromPDG(pdg) << endl;
 153        cout << "\t\t+ P = ("
 154             << particle->Px() << " , "
 155             << particle->Py() << " , "
 156             << particle->Pz() << " ) --> "
 157             << particle->P() << " GeV" << endl;
 158     }
 159     /* Lstack is the stack counter: of course any time source is called it
 160      * must be =0
 161      */
 162     /* Cosines (tx,ty,tz)*/
 163     Double_t cosx = particle->Px()/particle->P();
 164     Double_t cosy = particle->Py()/particle->P();
 165     Double_t cosz = TMath::Sqrt(oneone - cosx*cosx - cosy*cosy);
 166     if (particle->Pz() < 0.) cosz = -cosz;
 167
 168     //STACK.ilo[STACK.lstack] = BEAM.ijbeam;
 169     if (pdg != 50000050 &&  pdg !=  50000051) {
 170         STACK.lstack++;
 171         STACK.ilo[STACK.lstack] = fluka-> IdFromPDG(pdg);
 172
 173         /* Wt is the weight of the particle*/
 174         STACK.wt[STACK.lstack] = oneone;
 175         STARS.weipri += STACK.wt[STACK.lstack];
 176
 177         STACK.lo[STACK.lstack] = 1;
 178
 179         /* User dependent flag:*/
 180         STACK.louse[STACK.lstack] = 0;
 181
 182         /* User dependent spare variables:*/
 183         Int_t ispr = 0;
 184         for (ispr = 0; ispr < mkbmx1; ispr++)
 185             STACK.sparek[STACK.lstack][ispr] = zerzer;
 186
 187         /* User dependent spare flags:*/
 188         for (ispr = 0; ispr < mkbmx2; ispr++)
 189             STACK.ispark[STACK.lstack][ispr] = 0;
 190
 191         /* Save the track number of the stack particle:*/
 192         STACK.ispark[STACK.lstack][mkbmx2-1] = itrack;
 193         STACK.nparma++;
 194         STACK.numpar[STACK.lstack] = STACK.nparma;
 195         STACK.nevent[STACK.lstack] = 0;
 196         STACK.dfnear[STACK.lstack] = +zerzer;
 197
 198         /* Particle age (s)*/
 199         STACK.agestk[STACK.lstack] = +zerzer;
 200         STACK.cmpath[STACK.lstack] = +zerzer;
 201         STACK.aknshr[STACK.lstack] = -twotwo;
 202
 203         /* Group number for "low" energy neutrons, set to 0 anyway*/
 204         STACK.igroup[STACK.lstack] = 0;
 205
 206         /* Kinetic energy */
 207         STACK.tke[STACK.lstack] = particle->Energy() - particle->GetMass();
 208         /* Particle momentum*/
 209         STACK.pmom [STACK.lstack] = particle->P();
 210
 211
 212         STACK.tx [STACK.lstack] = cosx;
 213         STACK.ty [STACK.lstack] = cosy;
 214         STACK.tz [STACK.lstack] = cosz;
 215
 216         /* Polarization cosines:*/
 217         if (polarisation.Mag()) {
 218             Double_t cospolx = polarisation.Px() / polarisation.Mag();
 219             Double_t cospoly = polarisation.Py() / polarisation.Mag();
 220             Double_t cospolz = sqrt(oneone - cospolx * cospolx - cospoly * cospoly);
 221             STACK.txpol [STACK.lstack] = cospolx;
 222             STACK.typol [STACK.lstack] = cospoly;
 223             STACK.tzpol [STACK.lstack] = cospolz;
 224         }
 225         else {
 226             STACK.txpol [STACK.lstack] = -twotwo;
 227             STACK.typol [STACK.lstack] = +zerzer;
 228             STACK.tzpol [STACK.lstack] = +zerzer;
 229         }
 230
 231         /* Particle coordinates*/
 232         // Vertext coordinates;
 233         STACK.xa [STACK.lstack] = particle->Vx();
 234         STACK.ya [STACK.lstack] = particle->Vy();
 235         STACK.za [STACK.lstack] = particle->Vz();
 236
 237         /*  Calculate the total kinetic energy of the primaries: don't change*/
 238         Int_t st_ilo =  STACK.ilo[STACK.lstack];
 239         if ( st_ilo != 0 )
 240             EPISOR.tkesum +=
 241                 ((STACK.tke[STACK.lstack] + PAPROP.amdisc[st_ilo+6])
 242                  * STACK.wt[STACK.lstack]);
 243         else
 244             EPISOR.tkesum += (STACK.tke[STACK.lstack] * STACK.wt[STACK.lstack]);
 245
 246         /*  Here we ask for the region number of the hitting point.
 247          *     NREG (LSTACK) = ...
 248          *  The following line makes the starting region search much more
 249          *  robust if particles are starting very close to a boundary:
 250          */
 251         geocrs( STACK.tx[STACK.lstack],
 252                 STACK.ty[STACK.lstack],
 253                 STACK.tz[STACK.lstack] );
 254
 255         Int_t idisc;
 256
 257         georeg ( STACK.xa[STACK.lstack],
 258                  STACK.ya[STACK.lstack],
 259                  STACK.za[STACK.lstack],
 260                  STACK.nreg[STACK.lstack],
 261                  idisc);//<-- dummy return variable not used
 262         /*  Do not change these cards:*/
 263         Int_t igeohsm1 = 1;
 264         Int_t igeohsm2 = -11;
 265         geohsm ( STACK.nhspnt[STACK.lstack], igeohsm1, igeohsm2, LTCLCM.mlattc );
 266         STACK.nlattc[STACK.lstack] = LTCLCM.mlattc;
 267         soevsv();
 268     } else {
 269         //
 270         // Next particle is optical photon
 271         //
 272         OPPHST.lstopp++;
 273         OPPHST.donear [OPPHST.lstopp - 1] = 0.;
 274
 275         OPPHST.xoptph [OPPHST.lstopp - 1] = particle->Vx();
 276         OPPHST.yoptph [OPPHST.lstopp - 1] = particle->Vy();
 277         OPPHST.zoptph [OPPHST.lstopp - 1] = particle->Vz();
 278
 279         OPPHST.txopph [OPPHST.lstopp - 1] = cosx;
 280         OPPHST.tyopph [OPPHST.lstopp - 1] = cosy;
 281         OPPHST.tzopph [OPPHST.lstopp - 1] = cosz;
 282
 283
 284         if (polarisation.Mag()) {
 285             Double_t cospolx = polarisation.Px() / polarisation.Mag();
 286             Double_t cospoly = polarisation.Py() / polarisation.Mag();
 287             Double_t cospolz = sqrt(oneone - cospolx * cospolx - cospoly * cospoly);
 288             OPPHST.txpopp [OPPHST.lstopp - 1] = cospolx;
 289             OPPHST.typopp [OPPHST.lstopp - 1] = cospoly;
 290             OPPHST.tzpopp [OPPHST.lstopp - 1] = cospolz;
 291         }
 292         else {
 293             OPPHST.txpopp [OPPHST.lstopp - 1] = -twotwo;
 294             OPPHST.typopp [OPPHST.lstopp - 1] = +zerzer;
 295             OPPHST.tzpopp [OPPHST.lstopp - 1] = +zerzer;
 296         }
 297
 298         geocrs( OPPHST.txopph[OPPHST.lstopp - 1],
 299                 OPPHST.tyopph[OPPHST.lstopp - 1],
 300                 OPPHST.tzopph[OPPHST.lstopp - 1] );
 301
 302         Int_t idisc;
 303
 304         georeg ( OPPHST.xoptph[OPPHST.lstopp - 1],
 305                  OPPHST.yoptph[OPPHST.lstopp - 1],
 306                  OPPHST.zoptph[OPPHST.lstopp - 1],
 307                  OPPHST.nregop[OPPHST.lstopp - 1],
 308                  idisc);//<-- dummy return variable not used
 309
 310         OPPHST.wtopph [OPPHST.lstopp - 1] = particle->GetWeight();
 311         OPPHST.poptph [OPPHST.lstopp - 1] = particle->P();
 312         OPPHST.agopph [OPPHST.lstopp - 1] = particle->T();
 313         OPPHST.cmpopp [OPPHST.lstopp - 1] = +zerzer;
 314         OPPHST.loopph [OPPHST.lstopp - 1] = 0;
 315         OPPHST.louopp [OPPHST.lstopp - 1] = itrack;
 316     }
 317
 318 //
 319 //  Pre-track actions at for primary tracks
 320 //
 321     if (particleIsPrimary) {
 322         TVirtualMCApplication::Instance()->BeginPrimary();
 323         TVirtualMCApplication::Instance()->PreTrack();
 324     }
 325
 326 //
 327     if (debug) cout << "<== source(" << nomore << ")" << endl;
 328   }
 329 }