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 "
 158             << particle->Energy() << " GeV "
 159             << particle->GetMass() << " GeV " << endl;
 160     }
 161     /* Lstack is the stack counter: of course any time source is called it
 162      * must be =0
 163      */
 164     /* Cosines (tx,ty,tz)*/
 165     Double_t cosx = particle->Px()/particle->P();
 166     Double_t cosy = particle->Py()/particle->P();
 167     Double_t cosz = TMath::Sqrt(oneone - cosx*cosx - cosy*cosy);
 168     if (particle->Pz() < 0.) cosz = -cosz;
 169
 170     //STACK.ilo[STACK.lstack] = BEAM.ijbeam;
 171     if (pdg != 50000050 &&  pdg !=  50000051) {
 172         STACK.lstack++;
 173         Int_t ifl =  fluka-> IdFromPDG(pdg);
 174         STACK.ilo[STACK.lstack] = ifl;
 175         /* Wt is the weight of the particle*/
 176         STACK.wt[STACK.lstack] = oneone;
 177         STARS.weipri += STACK.wt[STACK.lstack];
 178
 179         STACK.lo[STACK.lstack] = 1;
 180
 181         /* User dependent flag:*/
 182         STACK.louse[STACK.lstack] = 0;
 183
 184         /* User dependent spare variables:*/
 185         Int_t ispr = 0;
 186         for (ispr = 0; ispr < mkbmx1; ispr++)
 187             STACK.sparek[STACK.lstack][ispr] = zerzer;
 188
 189         /* User dependent spare flags:*/
 190         for (ispr = 0; ispr < mkbmx2; ispr++)
 191             STACK.ispark[STACK.lstack][ispr] = 0;
 192
 193         /* Save the track number of the stack particle:*/
 194         STACK.ispark[STACK.lstack][mkbmx2-1] = itrack;
 195         STACK.nparma++;
 196         STACK.numpar[STACK.lstack] = STACK.nparma;
 197         STACK.nevent[STACK.lstack] = 0;
 198         STACK.dfnear[STACK.lstack] = +zerzer;
 199
 200         /* Particle age (s)*/
 201         STACK.agestk[STACK.lstack] = +zerzer;
 202         STACK.cmpath[STACK.lstack] = +zerzer;
 203         STACK.aknshr[STACK.lstack] = -twotwo;
 204
 205         /* Group number for "low" energy neutrons, set to 0 anyway*/
 206         STACK.igroup[STACK.lstack] = 0;
 207
 208         /* Kinetic energy */
 209         Double_t p    = particle->P();
 210         Double_t mass = PAPROP.am[ifl + 6];
 211         STACK.tke[STACK.lstack] =  TMath::Sqrt( p * p + mass * mass) - mass;
 212         /* Particle momentum*/
 213         STACK.pmom [STACK.lstack] = p;
 214
 215         STACK.tx [STACK.lstack] = cosx;
 216         STACK.ty [STACK.lstack] = cosy;
 217         STACK.tz [STACK.lstack] = cosz;
 218
 219         /* Polarization cosines:*/
 220         if (polarisation.Mag()) {
 221             Double_t cospolx = polarisation.Px() / polarisation.Mag();
 222             Double_t cospoly = polarisation.Py() / polarisation.Mag();
 223             Double_t cospolz = sqrt(oneone - cospolx * cospolx - cospoly * cospoly);
 224             STACK.txpol [STACK.lstack] = cospolx;
 225             STACK.typol [STACK.lstack] = cospoly;
 226             STACK.tzpol [STACK.lstack] = cospolz;
 227         }
 228         else {
 229             STACK.txpol [STACK.lstack] = -twotwo;
 230             STACK.typol [STACK.lstack] = +zerzer;
 231             STACK.tzpol [STACK.lstack] = +zerzer;
 232         }
 233
 234         /* Particle coordinates*/
 235         // Vertext coordinates;
 236         STACK.xa [STACK.lstack] = particle->Vx();
 237         STACK.ya [STACK.lstack] = particle->Vy();
 238         STACK.za [STACK.lstack] = particle->Vz();
 239
 240         /*  Calculate the total kinetic energy of the primaries: don't change*/
 241         Int_t st_ilo =  STACK.ilo[STACK.lstack];
 242         if ( st_ilo != 0 )
 243             EPISOR.tkesum +=
 244                 ((STACK.tke[STACK.lstack] + PAPROP.amdisc[st_ilo+6])
 245                  * STACK.wt[STACK.lstack]);
 246         else
 247             EPISOR.tkesum += (STACK.tke[STACK.lstack] * STACK.wt[STACK.lstack]);
 248
 249         /*  Here we ask for the region number of the hitting point.
 250          *     NREG (LSTACK) = ...
 251          *  The following line makes the starting region search much more
 252          *  robust if particles are starting very close to a boundary:
 253          */
 254         geocrs( STACK.tx[STACK.lstack],
 255                 STACK.ty[STACK.lstack],
 256                 STACK.tz[STACK.lstack] );
 257
 258         Int_t idisc;
 259
 260         georeg ( STACK.xa[STACK.lstack],
 261                  STACK.ya[STACK.lstack],
 262                  STACK.za[STACK.lstack],
 263                  STACK.nreg[STACK.lstack],
 264                  idisc);//<-- dummy return variable not used
 265         /*  Do not change these cards:*/
 266         Int_t igeohsm1 = 1;
 267         Int_t igeohsm2 = -11;
 268         geohsm ( STACK.nhspnt[STACK.lstack], igeohsm1, igeohsm2, LTCLCM.mlattc );
 269         STACK.nlattc[STACK.lstack] = LTCLCM.mlattc;
 270         soevsv();
 271     } else {
 272         //
 273         // Next particle is optical photon
 274         //
 275         OPPHST.lstopp++;
 276         OPPHST.donear [OPPHST.lstopp - 1] = 0.;
 277
 278         OPPHST.xoptph [OPPHST.lstopp - 1] = particle->Vx();
 279         OPPHST.yoptph [OPPHST.lstopp - 1] = particle->Vy();
 280         OPPHST.zoptph [OPPHST.lstopp - 1] = particle->Vz();
 281
 282         OPPHST.txopph [OPPHST.lstopp - 1] = cosx;
 283         OPPHST.tyopph [OPPHST.lstopp - 1] = cosy;
 284         OPPHST.tzopph [OPPHST.lstopp - 1] = cosz;
 285
 286
 287         if (polarisation.Mag()) {
 288             Double_t cospolx = polarisation.Px() / polarisation.Mag();
 289             Double_t cospoly = polarisation.Py() / polarisation.Mag();
 290             Double_t cospolz = sqrt(oneone - cospolx * cospolx - cospoly * cospoly);
 291             OPPHST.txpopp [OPPHST.lstopp - 1] = cospolx;
 292             OPPHST.typopp [OPPHST.lstopp - 1] = cospoly;
 293             OPPHST.tzpopp [OPPHST.lstopp - 1] = cospolz;
 294         }
 295         else {
 296             OPPHST.txpopp [OPPHST.lstopp - 1] = -twotwo;
 297             OPPHST.typopp [OPPHST.lstopp - 1] = +zerzer;
 298             OPPHST.tzpopp [OPPHST.lstopp - 1] = +zerzer;
 299         }
 300
 301         geocrs( OPPHST.txopph[OPPHST.lstopp - 1],
 302                 OPPHST.tyopph[OPPHST.lstopp - 1],
 303                 OPPHST.tzopph[OPPHST.lstopp - 1] );
 304
 305         Int_t idisc;
 306
 307         georeg ( OPPHST.xoptph[OPPHST.lstopp - 1],
 308                  OPPHST.yoptph[OPPHST.lstopp - 1],
 309                  OPPHST.zoptph[OPPHST.lstopp - 1],
 310                  OPPHST.nregop[OPPHST.lstopp - 1],
 311                  idisc);//<-- dummy return variable not used
 312
 313         OPPHST.wtopph [OPPHST.lstopp - 1] = particle->GetWeight();
 314         OPPHST.poptph [OPPHST.lstopp - 1] = particle->P();
 315         OPPHST.agopph [OPPHST.lstopp - 1] = particle->T();
 316         OPPHST.cmpopp [OPPHST.lstopp - 1] = +zerzer;
 317         OPPHST.loopph [OPPHST.lstopp - 1] = 0;
 318         OPPHST.louopp [OPPHST.lstopp - 1] = itrack;
 319     }
 320
 321 //
 322 //  Pre-track actions at for primary tracks
 323 //
 324     if (particleIsPrimary) {
 325         TVirtualMCApplication::Instance()->BeginPrimary();
 326         TVirtualMCApplication::Instance()->PreTrack();
 327     }
 328
 329 //
 330     if (debug) cout << "<== source(" << nomore << ")" << endl;
 331   }
 332 }