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 //  Get the stack
  84     TVirtualMCStack* cppstack = fluka->GetStack();
  85
  86     TParticle* particle;
  87     Int_t itrack = -1;
  88     Int_t  nprim  = cppstack->GetNprimary();
  89 //  Get the next particle from the stack
  90     particle  = cppstack->PopNextTrack(itrack);
  91     fluka->SetTrackIsNew(kTRUE);
  92
  93 //  Is this a secondary not handled by Fluka, i.e. a particle added by user action ?
  94     lastParticleWasPrimary = particleIsPrimary;
  95
  96     if (itrack >= nprim) {
  97         particleIsPrimary = kFALSE;
  98     } else {
  99         particleIsPrimary = kTRUE;
 100     }
 101
 102     if (lfirst) {
 103         SOURCM.tkesum = zerzer;
 104         lfirst = false;
 105         SOURCM.lussrc = true;
 106     } else {
 107 //
 108 // Post-track actions for primary track
 109 //
 110         if (particleIsPrimary) {
 111             TVirtualMCApplication::Instance()->PostTrack();
 112             TVirtualMCApplication::Instance()->FinishPrimary();
 113             if ((itrack%10)==0) printf("=== TRACKING PRIMARY %d ===\n", itrack);
 114         }
 115     }
 116
 117     // Exit if itrack is negative (-1). Set lsouit to false to mark last track for this event
 118
 119     if (itrack<0) {
 120       nomore = 1;
 121       SOURCM.lsouit = false;
 122       if (debug) {
 123          cout << "\t* SOURCM.lsouit = " << (SOURCM.lsouit?'T':'F') << endl;
 124          cout << "\t* No more particles. Exiting..." << endl;
 125          cout << "<== source(" << nomore << ")" << endl;
 126       }
 127       return;
 128     }
 129
 130     //
 131     // Handle user event abortion
 132     if (fluka->EventIsStopped()) {
 133         printf("Event has been stopped by user !");
 134         fluka->SetStopEvent(kFALSE);
 135         nomore = 1;
 136         SOURCM.lsouit = false;
 137         return;
 138     }
 139
 140     //Get some info about the particle and print it
 141     //
 142     //pdg code
 143     Int_t pdg = particle->GetPdgCode();
 144     TVector3 polarisation;
 145     particle->GetPolarisation(polarisation);
 146     if (debug) {
 147        cout << "\t* Particle " << itrack << " retrieved..." << endl;
 148        cout << "\t\t+ Name = " << particle->GetName() << endl;
 149        cout << "\t\t+ PDG/Fluka code = " << pdg
 150             << " / " << fluka->IdFromPDG(pdg) << endl;
 151        cout << "\t\t+ P = ("
 152             << particle->Px() << " , "
 153             << particle->Py() << " , "
 154             << particle->Pz() << " ) --> "
 155             << particle->P() << " GeV "
 156             << particle->Energy() << " GeV "
 157             << particle->GetMass() << " GeV " << endl;
 158     }
 159     /* Npflka 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     if (pdg != 50000050 &&  pdg !=  50000051) {
 169         FLKSTK.npflka++;
 170         Int_t ifl =  fluka-> IdFromPDG(pdg);
 171         FLKSTK.iloflk[FLKSTK.npflka] = ifl;
 172         /* Wtflk is the weight of the particle*/
 173         FLKSTK.wtflk[FLKSTK.npflka] = oneone;
 174         SUMCOU.weipri += FLKSTK.wtflk[FLKSTK.npflka];
 175
 176         FLKSTK.loflk[FLKSTK.npflka] = 1;
 177
 178         /* User dependent flag:*/
 179         FLKSTK.louse[FLKSTK.npflka] = 0;
 180
 181         /* User dependent spare variables:*/
 182         Int_t ispr = 0;
 183         for (ispr = 0; ispr < mkbmx1; ispr++)
 184             FLKSTK.sparek[FLKSTK.npflka][ispr] = zerzer;
 185
 186         /* User dependent spare flags:*/
 187         for (ispr = 0; ispr < mkbmx2; ispr++)
 188             FLKSTK.ispark[FLKSTK.npflka][ispr] = 0;
 189
 190         /* Save the track number of the stack particle:*/
 191         FLKSTK.ispark[FLKSTK.npflka][mkbmx2-1] = itrack;
 192         FLKSTK.nparma++;
 193         FLKSTK.numpar[FLKSTK.npflka] = FLKSTK.nparma;
 194         FLKSTK.nevent[FLKSTK.npflka] = 0;
 195         FLKSTK.dfnear[FLKSTK.npflka] = +zerzer;
 196
 197         /* Particle age (s)*/
 198         FLKSTK.agestk[FLKSTK.npflka] = +zerzer;
 199         FLKSTK.cmpath[FLKSTK.npflka] = +zerzer;
 200         FLKSTK.aknshr[FLKSTK.npflka] = -twotwo;
 201
 202         /* Group number for "low" energy neutrons, set to 0 anyway*/
 203         FLKSTK.igroup[FLKSTK.npflka] = 0;
 204
 205         /* Kinetic energy */
 206         Double_t p    = particle->P();
 207         Double_t mass = PAPROP.am[ifl + 6];
 208         FLKSTK.tkeflk[FLKSTK.npflka] =  TMath::Sqrt( p * p + mass * mass) - mass;
 209         /* Particle momentum*/
 210         FLKSTK.pmoflk [FLKSTK.npflka] = p;
 211
 212         FLKSTK.txflk [FLKSTK.npflka] = cosx;
 213         FLKSTK.tyflk [FLKSTK.npflka] = cosy;
 214         FLKSTK.tzflk [FLKSTK.npflka] = 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             FLKSTK.txpol [FLKSTK.npflka] = cospolx;
 222             FLKSTK.typol [FLKSTK.npflka] = cospoly;
 223             FLKSTK.tzpol [FLKSTK.npflka] = cospolz;
 224         }
 225         else {
 226             FLKSTK.txpol [FLKSTK.npflka] = -twotwo;
 227             FLKSTK.typol [FLKSTK.npflka] = +zerzer;
 228             FLKSTK.tzpol [FLKSTK.npflka] = +zerzer;
 229         }
 230
 231         /* Particle coordinates*/
 232         // Vertext coordinates;
 233         FLKSTK.xflk [FLKSTK.npflka] = particle->Vx();
 234         FLKSTK.yflk [FLKSTK.npflka] = particle->Vy();
 235         FLKSTK.zflk [FLKSTK.npflka] = particle->Vz();
 236
 237         /*  Calculate the total kinetic energy of the primaries: don't change*/
 238         Int_t st_ilo =  FLKSTK.iloflk[FLKSTK.npflka];
 239         if ( st_ilo != 0 )
 240             SOURCM.tkesum +=
 241                 ((FLKSTK.tkeflk[FLKSTK.npflka] + PAPROP.amdisc[st_ilo+6])
 242                  * FLKSTK.wtflk[FLKSTK.npflka]);
 243         else
 244             SOURCM.tkesum += (FLKSTK.tkeflk[FLKSTK.npflka] * FLKSTK.wtflk[FLKSTK.npflka]);
 245
 246         /*  Here we ask for the region number of the hitting point.
 247          *     NRGFLK (LFLKSTK) = ...
 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( FLKSTK.txflk[FLKSTK.npflka],
 252                 FLKSTK.tyflk[FLKSTK.npflka],
 253                 FLKSTK.tzflk[FLKSTK.npflka] );
 254
 255         Int_t idisc;
 256
 257         georeg ( FLKSTK.xflk[FLKSTK.npflka],
 258                  FLKSTK.yflk[FLKSTK.npflka],
 259                  FLKSTK.zflk[FLKSTK.npflka],
 260                  FLKSTK.nrgflk[FLKSTK.npflka],
 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 ( FLKSTK.nhspnt[FLKSTK.npflka], igeohsm1, igeohsm2, LTCLCM.mlattc );
 266         FLKSTK.nlattc[FLKSTK.npflka] = 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 }