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 "Fsourcm.h"  //(EPISOR) fluka common
   8 #include "Fflkstk.h"  //(FLKSTK)  fluka common
   9 #include "Fsumcou.h"  //(SUMCOU)  fluka common
  10 #include "Fpaprop.h"  //(PAPROP) fluka common
  11 #include "Fltclcm.h"  //(LTCLCM) fluka common
  12 #include "Fopphst.h"  //(OPPHST) fluka common
  13
  14 //Virutal MC
  15 #include "TFluka.h"
  16
  17 #include "TVirtualMCStack.h"
  18 //#include "TVirtualMCApplication.h"
  19
  20 #include "TParticle.h"
  21 #include "TVector3.h"
  22
  23 //Other
  24 #include <Riostream.h>
  25
  26 #ifndef WIN32
  27 # define source source_
  28 # define geocrs geocrs_
  29 # define georeg georeg_
  30 # define geohsm geohsm_
  31 # define soevsv soevsv_
  32 #else
  33 # define source SOURCE
  34 # define geocrs GEOCRS
  35 # define georeg GEOREG
  36 # define geohsm GEOHSM
  37 # define soevsv SOEVSV
  38 #endif
  39
  40 extern "C" {
  41   //
  42   // Prototypes for FLUKA functions
  43   //
  44   void type_of_call geocrs(Double_t &, Double_t &, Double_t &);
  45   void type_of_call georeg(Double_t &, Double_t &, Double_t &,
  46                            Int_t &, Int_t &);
  47   void type_of_call geohsm(Int_t &, Int_t &, Int_t &, Int_t &);
  48   void type_of_call soevsv();
  49  /*
  50    *----------------------------------------------------------------------*
  51    *                                                                      *
  52    *     Created on 07 january 1990   by    Alfredo Ferrari & Paola Sala  *
  53    *                                                   Infn - Milan       *
  54    *                                                                      *
  55    *     Last change on 21-jun-98     by    Alfredo Ferrari               *
  56    *                                                                      *
  57    *     C++ version on 27-sep-02     by    Isidro Gonzalez               *
  58    *                                                                      *
  59    *  This is just an example of a possible user written source routine.  *
  60    *  note that the beam card still has some meaning - in the scoring the *
  61    *  maximum momentum used in deciding the binning is taken from the     *
  62    *  beam momentum.  Other beam card parameters are obsolete.            *
  63    *                                                                      *
  64    *----------------------------------------------------------------------*/
  65
  66   void source(Int_t& nomore) {
  67 // Get the pointer to TFluka
  68     TFluka* fluka = (TFluka*)gMC;
  69
  70     Int_t verbosityLevel = fluka->GetVerbosityLevel();
  71     Bool_t debug = (verbosityLevel>=3)?kTRUE:kFALSE;
  72     if (debug) {
  73       cout << "==> source(" << nomore << ")" << endl;
  74       cout << "\t* SOURCM.lsouit = " << (SOURCM.lsouit?'T':'F') << endl;
  75     }
  76
  77     static Bool_t lfirst = true;
  78     static Bool_t particleIsPrimary = true;
  79     static Bool_t lastParticleWasPrimary = true;
  80
  81     nomore = 0;
  82
  83
  84 //  Get the stack
  85     TVirtualMCStack* cppstack = fluka->GetStack();
  86
  87     TParticle* particle;
  88     Int_t itrack = -1;
  89     Int_t  nprim  = cppstack->GetNprimary();
  90 //  Get the next particle from the stack
  91     particle  = cppstack->PopNextTrack(itrack);
  92     fluka->SetTrackIsNew(kTRUE);
  93     if (itrack == (nprim - 1)) lfirst = true;
  94 //  Is this a secondary not handled by Fluka, i.e. a particle added by user action ?
  95     lastParticleWasPrimary = particleIsPrimary;
  96
  97     if (itrack >= nprim) {
  98         particleIsPrimary = kFALSE;
  99     } else {
 100         particleIsPrimary = kTRUE;
 101     }
 102
 103     if (lfirst) {
 104         SOURCM.tkesum = zerzer;
 105         lfirst = false;
 106         SOURCM.lussrc = true;
 107     } else {
 108 //
 109 // Post-track actions for primary track
 110 //
 111         if (particleIsPrimary) {
 112             TVirtualMCApplication::Instance()->PostTrack();
 113             TVirtualMCApplication::Instance()->FinishPrimary();
 114             if ((itrack%10)==0)
 115                 cout << "=== TRACKING PRIMARY "<< itrack <<" ===" << endl;
 116             //printf("=== TRACKING PRIMARY %d ===\n", itrack);
 117         }
 118     }
 119
 120     // Exit if itrack is negative (-1). Set lsouit to false to mark last track for this event
 121
 122     if (itrack<0) {
 123       nomore = 1;
 124       SOURCM.lsouit = false;
 125       if (debug) {
 126          cout << "\t* SOURCM.lsouit = " << (SOURCM.lsouit?'T':'F') << endl;
 127          cout << "\t* No more particles. Exiting..." << endl;
 128          cout << "<== source(" << nomore << ")" << endl;
 129       }
 130       return;
 131     }
 132
 133     //
 134     // Handle user event abortion
 135     if (fluka->EventIsStopped()) {
 136         printf("Event has been stopped by user !");
 137         fluka->SetStopEvent(kFALSE);
 138         nomore = 1;
 139         SOURCM.lsouit = false;
 140         return;
 141     }
 142
 143     //Get some info about the particle and print it
 144     //
 145     //pdg code
 146     Int_t pdg = particle->GetPdgCode();
 147     TVector3 polarisation;
 148     particle->GetPolarisation(polarisation);
 149     if (debug) {
 150        cout << "\t* Particle " << itrack << " retrieved..." << endl;
 151        cout << "\t\t+ Name = " << particle->GetName() << endl;
 152        cout << "\t\t+ PDG/Fluka code = " << pdg
 153             << " / " << fluka->IdFromPDG(pdg) << endl;
 154        cout << "\t\t+ P = ("
 155             << particle->Px() << " , "
 156             << particle->Py() << " , "
 157             << particle->Pz() << " ) --> "
 158             << particle->P() << " GeV "
 159             << particle->Energy() << " GeV "
 160             << particle->GetMass() << " GeV " << endl;
 161     }
 162     /* Npflka is the stack counter: of course any time source is called it
 163      * must be =0
 164      */
 165     /* Cosines (tx,ty,tz)*/
 166     Double_t cosx = particle->Px()/particle->P();
 167     Double_t cosy = particle->Py()/particle->P();
 168     Double_t cosxy = cosx * cosx + cosy * cosy;
 169     Double_t cosz;
 170
 171     if (cosxy < 1.) {
 172         cosz = TMath::Sqrt(oneone - cosxy);
 173     } else {
 174         cosx /= TMath::Sqrt(cosxy);
 175         cosy /= TMath::Sqrt(cosxy);
 176         cosz = 0.;
 177     }
 178
 179
 180
 181     if (particle->Pz() < 0.) cosz = -cosz;
 182
 183     if (pdg != 50000050 &&  pdg !=  50000051) {
 184         FLKSTK.npflka++;
 185         Int_t ifl =  fluka-> IdFromPDG(pdg);
 186         FLKSTK.iloflk[FLKSTK.npflka] = ifl;
 187         /* Wtflk is the weight of the particle*/
 188         FLKSTK.wtflk[FLKSTK.npflka] = oneone;
 189         SUMCOU.weipri += FLKSTK.wtflk[FLKSTK.npflka];
 190
 191         FLKSTK.loflk[FLKSTK.npflka] = 1;
 192
 193         /* User dependent flag:*/
 194         FLKSTK.louse[FLKSTK.npflka] = 0;
 195
 196         /* User dependent spare variables:*/
 197         Int_t ispr = 0;
 198         for (ispr = 0; ispr < mkbmx1; ispr++)
 199             FLKSTK.sparek[FLKSTK.npflka][ispr] = zerzer;
 200
 201         /* User dependent spare flags:*/
 202         for (ispr = 0; ispr < mkbmx2; ispr++)
 203             FLKSTK.ispark[FLKSTK.npflka][ispr] = 0;
 204
 205         /* Save the track number of the stack particle:*/
 206         FLKSTK.ispark[FLKSTK.npflka][mkbmx2-1] = itrack;
 207         FLKSTK.nparma++;
 208         FLKSTK.numpar[FLKSTK.npflka] = FLKSTK.nparma;
 209         FLKSTK.nevent[FLKSTK.npflka] = 0;
 210         FLKSTK.dfnear[FLKSTK.npflka] = +zerzer;
 211
 212         /* Particle age (s)*/
 213         FLKSTK.agestk[FLKSTK.npflka] = +zerzer;
 214         FLKSTK.cmpath[FLKSTK.npflka] = +zerzer;
 215         FLKSTK.aknshr[FLKSTK.npflka] = -twotwo;
 216
 217         /* Group number for "low" energy neutrons, set to 0 anyway*/
 218         FLKSTK.igroup[FLKSTK.npflka] = 0;
 219
 220         /* Kinetic energy */
 221         Double_t p    = particle->P();
 222         Double_t mass = PAPROP.am[ifl + 6];
 223         FLKSTK.tkeflk[FLKSTK.npflka] =  TMath::Sqrt( p * p + mass * mass) - mass;
 224         /* Particle momentum*/
 225         FLKSTK.pmoflk [FLKSTK.npflka] = p;
 226
 227         FLKSTK.txflk [FLKSTK.npflka] = cosx;
 228         FLKSTK.tyflk [FLKSTK.npflka] = cosy;
 229         FLKSTK.tzflk [FLKSTK.npflka] = cosz;
 230
 231         /* Polarization cosines:*/
 232         if (polarisation.Mag()) {
 233             Double_t cospolx = polarisation.Px() / polarisation.Mag();
 234             Double_t cospoly = polarisation.Py() / polarisation.Mag();
 235             Double_t cospolz = sqrt(oneone - cospolx * cospolx - cospoly * cospoly);
 236             FLKSTK.txpol [FLKSTK.npflka] = cospolx;
 237             FLKSTK.typol [FLKSTK.npflka] = cospoly;
 238             FLKSTK.tzpol [FLKSTK.npflka] = cospolz;
 239         }
 240         else {
 241             FLKSTK.txpol [FLKSTK.npflka] = -twotwo;
 242             FLKSTK.typol [FLKSTK.npflka] = +zerzer;
 243             FLKSTK.tzpol [FLKSTK.npflka] = +zerzer;
 244         }
 245
 246         /* Particle coordinates*/
 247         // Vertext coordinates;
 248         FLKSTK.xflk [FLKSTK.npflka] = particle->Vx();
 249         FLKSTK.yflk [FLKSTK.npflka] = particle->Vy();
 250         FLKSTK.zflk [FLKSTK.npflka] = particle->Vz();
 251
 252         /*  Calculate the total kinetic energy of the primaries: don't change*/
 253         Int_t st_ilo =  FLKSTK.iloflk[FLKSTK.npflka];
 254         if ( st_ilo != 0 )
 255             SOURCM.tkesum +=
 256                 ((FLKSTK.tkeflk[FLKSTK.npflka] + PAPROP.amdisc[st_ilo+6])
 257                  * FLKSTK.wtflk[FLKSTK.npflka]);
 258         else
 259             SOURCM.tkesum += (FLKSTK.tkeflk[FLKSTK.npflka] * FLKSTK.wtflk[FLKSTK.npflka]);
 260
 261         /*  Here we ask for the region number of the hitting point.
 262          *     NRGFLK (LFLKSTK) = ...
 263          *  The following line makes the starting region search much more
 264          *  robust if particles are starting very close to a boundary:
 265          */
 266         geocrs( FLKSTK.txflk[FLKSTK.npflka],
 267                 FLKSTK.tyflk[FLKSTK.npflka],
 268                 FLKSTK.tzflk[FLKSTK.npflka] );
 269
 270         Int_t idisc;
 271
 272         georeg ( FLKSTK.xflk[FLKSTK.npflka],
 273                  FLKSTK.yflk[FLKSTK.npflka],
 274                  FLKSTK.zflk[FLKSTK.npflka],
 275                  FLKSTK.nrgflk[FLKSTK.npflka],
 276                  idisc);//<-- dummy return variable not used
 277         /*  Do not change these cards:*/
 278         Int_t igeohsm1 = 1;
 279         Int_t igeohsm2 = -11;
 280         geohsm ( FLKSTK.nhspnt[FLKSTK.npflka], igeohsm1, igeohsm2, LTCLCM.mlattc );
 281         FLKSTK.nlattc[FLKSTK.npflka] = LTCLCM.mlattc;
 282         soevsv();
 283     } else {
 284         //
 285         // Next particle is optical photon
 286         //
 287         OPPHST.lstopp++;
 288         OPPHST.donear [OPPHST.lstopp - 1] = 0.;
 289
 290         OPPHST.xoptph [OPPHST.lstopp - 1] = particle->Vx();
 291         OPPHST.yoptph [OPPHST.lstopp - 1] = particle->Vy();
 292         OPPHST.zoptph [OPPHST.lstopp - 1] = particle->Vz();
 293
 294         OPPHST.txopph [OPPHST.lstopp - 1] = cosx;
 295         OPPHST.tyopph [OPPHST.lstopp - 1] = cosy;
 296         OPPHST.tzopph [OPPHST.lstopp - 1] = cosz;
 297
 298
 299         if (polarisation.Mag()) {
 300             Double_t cospolx = polarisation.Px() / polarisation.Mag();
 301             Double_t cospoly = polarisation.Py() / polarisation.Mag();
 302             Double_t cospolz = sqrt(oneone - cospolx * cospolx - cospoly * cospoly);
 303             OPPHST.txpopp [OPPHST.lstopp - 1] = cospolx;
 304             OPPHST.typopp [OPPHST.lstopp - 1] = cospoly;
 305             OPPHST.tzpopp [OPPHST.lstopp - 1] = cospolz;
 306         }
 307         else {
 308             OPPHST.txpopp [OPPHST.lstopp - 1] = -twotwo;
 309             OPPHST.typopp [OPPHST.lstopp - 1] = +zerzer;
 310             OPPHST.tzpopp [OPPHST.lstopp - 1] = +zerzer;
 311         }
 312
 313         geocrs( OPPHST.txopph[OPPHST.lstopp - 1],
 314                 OPPHST.tyopph[OPPHST.lstopp - 1],
 315                 OPPHST.tzopph[OPPHST.lstopp - 1] );
 316
 317         Int_t idisc;
 318
 319         georeg ( OPPHST.xoptph[OPPHST.lstopp - 1],
 320                  OPPHST.yoptph[OPPHST.lstopp - 1],
 321                  OPPHST.zoptph[OPPHST.lstopp - 1],
 322                  OPPHST.nregop[OPPHST.lstopp - 1],
 323                  idisc);//<-- dummy return variable not used
 324
 325         OPPHST.wtopph [OPPHST.lstopp - 1] = particle->GetWeight();
 326         OPPHST.poptph [OPPHST.lstopp - 1] = particle->P();
 327         OPPHST.agopph [OPPHST.lstopp - 1] = particle->T();
 328         OPPHST.cmpopp [OPPHST.lstopp - 1] = +zerzer;
 329         OPPHST.loopph [OPPHST.lstopp - 1] = 0;
 330         OPPHST.louopp [OPPHST.lstopp - 1] = itrack;
 331         OPPHST.nlatop [OPPHST.lstopp - 1] = LTCLCM.mlattc;
 332      }
 333
 334 //
 335 //  Pre-track actions at for primary tracks
 336 //
 337     if (particleIsPrimary) {
 338         fluka->SetCaller(kSODRAW);
 339         TVirtualMCApplication::Instance()->BeginPrimary();
 340         TVirtualMCApplication::Instance()->PreTrack();
 341     }
 342 //
 343     if (debug) cout << "<== source(" << nomore << ")" << endl;
 344   }
 345 }