TFluka/source_halo.cxx

   1 #define METHODDEBUG
   2
   3 // Fortran
   4 #include "TCallf77.h"
   5
   6 // Fluka commons
   7 #include "Fdblprc.h"  //(DBLPRC) fluka common
   8 #include "Fdimpar.h"  //(DIMPAR) fluka parameters
   9 #include "Fepisor.h"  //(EPISOR) fluka common
  10 #include "Fstack.h"   //(STACK)  fluka common
  11 #include "Fstars.h"   //(STARS)  fluka common
  12 #include "Fbeam.h"    //(BEAM)   fluka common
  13 #include "Fpaprop.h"  //(PAPROP) fluka common
  14 #include "Fltclcm.h"  //(LTCLCM) fluka common
  15 #include "Fpart.h"
  16 //#include "Fcaslim.h"  //(CASLIM) fluka common
  17
  18 //Virutal MC
  19 #include "AliGenerator.h"
  20 #include "AliStack.h"
  21 #include "../EVGEN/AliGenHaloProtvino.h"
  22
  23 #include "TVirtualMCStack.h"
  24 #include "TParticle.h"
  25 #include "TVector3.h"
  26 #include "TRandom.h"
  27
  28 //Other
  29 #include <Riostream.h>
  30
  31 #ifndef WIN32
  32 # define source source_
  33 # define geocrs geocrs_
  34 # define georeg georeg_
  35 # define geohsm geohsm_
  36 # define soevsv soevsv_
  37 # define mcihad mcihad_
  38 # define source_halo source_halo__
  39 #else
  40 # define source SOURCE
  41 # define geocrs GEOCRS
  42 # define georeg GEOREG
  43 # define geohsm GEOHSM
  44 # define soevsv SOEVSV
  45 # define mcihad MCIHAD
  46 # define source_halo SOURCE_HALO
  47 #endif
  48
  49 extern "C" {
  50   //
  51   // Prototypes for FLUKA functions
  52   //
  53   void type_of_call geocrs(Double_t &, Double_t &, Double_t &);
  54   void type_of_call georeg(Double_t &, Double_t &, Double_t &,
  55                            Int_t &, Int_t &);
  56   void type_of_call geohsm(Int_t &, Int_t &, Int_t &, Int_t &);
  57   void type_of_call soevsv();
  58   int  type_of_call mcihad(const int&);
  59  /*
  60    *----------------------------------------------------------------------*
  61    *                                                                      *
  62    *     Created on 07 january 1990   by    Alfredo Ferrari & Paola Sala  *
  63    *                                                   Infn - Milan       *
  64    *                                                                      *
  65    *     Last change on 21-jun-98     by    Alfredo Ferrari               *
  66    *                                                                      *
  67    *     C++ version on 27-sep-02     by    Isidro Gonzalez               *
  68    *                                                                      *
  69    *  This is just an example of a possible user written source routine.  *
  70    *  note that the beam card still has some meaning - in the scoring the *
  71    *  maximum momentum used in deciding the binning is taken from the     *
  72    *  beam momentum.  Other beam card parameters are obsolete.            *
  73    *                                                                      *
  74    *----------------------------------------------------------------------*/
  75
  76   void source_halo(Int_t& nomore) {
  77
  78       static Bool_t lfirst               = true;
  79       static AliGenHaloProtvino* gener   = 0;
  80       static AliStack* stack             = 0;
  81
  82       nomore = 0;
  83       TParticle* particle;
  84       Int_t itrack = -1;
  85       if (lfirst) {
  86           EPISOR.tkesum = zerzer;
  87           lfirst = false;
  88           EPISOR.lussrc = true;
  89 //
  90 // The generator
  91 //
  92           gener  = new AliGenHaloProtvino(10);
  93           gener->SetFileName("/home/morsch/AliRoot/newio/data/ir.2.ring.one.b.10.m");
  94           gener->SetSide(2);
  95           gener->SetRunPeriod();
  96
  97
  98 // The particle stack
  99           stack = new AliStack(1000);
 100           gener->SetStack(stack);
 101           gener->Init();
 102
 103       } else {
 104           //
 105           // Generate event
 106           stack->Reset();
 107           gener->Generate();
 108           Int_t npart = stack->GetNprimary();
 109           for (Int_t part = 1; part < npart; part += 2) {
 110               particle = stack->Particle(part);
 111               STACK.lstack++;
 112               Int_t pdg = particle->GetPdgCode();
 113               Int_t intfluka = mcihad(pdg);
 114               Int_t ifl = GetFlukaKPTOIP(intfluka);
 115               Float_t wgt = particle->GetWeight();
 116
 117               printf("Particle %5d %10s %10.3f %10.3f %10.3f %10.3f\n",
 118                      STACK.lstack,
 119                      particle->GetName(),
 120                      particle->Px(), particle->Py(), particle->Pz(), wgt);
 121
 122
 123
 124               /* Wt is the weight of the particle*/
 125               STACK.wt[STACK.lstack] = wgt;
 126               STARS.weipri += STACK.wt[STACK.lstack];
 127
 128               STACK.ilo[STACK.lstack] = ifl;
 129               /* From this point .....
 130                * Particle generation (1 for primaries)
 131                */
 132               STACK.lo[STACK.lstack] = 1;
 133
 134               /* User dependent flag:*/
 135               STACK.louse[STACK.lstack] = 0;
 136
 137               /* User dependent spare variables:*/
 138               Int_t ispr = 0;
 139               for (ispr = 0; ispr < mkbmx1; ispr++)
 140                   STACK.sparek[STACK.lstack][ispr] = zerzer;
 141
 142               /* User dependent spare flags:*/
 143               for (ispr = 0; ispr < mkbmx2; ispr++)
 144                   STACK.ispark[STACK.lstack][ispr] = 0;
 145
 146               /* Save the track number of the stack particle:*/
 147               STACK.ispark[STACK.lstack][mkbmx2-1] = itrack;
 148               STACK.nparma++;
 149               STACK.numpar[STACK.lstack] = STACK.nparma;
 150               STACK.nevent[STACK.lstack] = 0;
 151               STACK.dfnear[STACK.lstack] = +zerzer;
 152
 153               /* Particle age (s)*/
 154               STACK.agestk[STACK.lstack] = +zerzer;
 155               STACK.aknshr[STACK.lstack] = -twotwo;
 156
 157               /* Group number for "low" energy neutrons, set to 0 anyway*/
 158               STACK.igroup[STACK.lstack] = 0;
 159
 160               /* Kinetic energy */
 161               STACK.tke[STACK.lstack] = particle->Energy() - particle->GetMass();
 162
 163
 164               /* Particle momentum*/
 165               STACK.pmom [STACK.lstack] = particle->P();
 166
 167               /* Cosines (tx,ty,tz)*/
 168               Double_t cosx = particle->Px()/particle->P();
 169               Double_t cosy = particle->Py()/particle->P();
 170               Double_t cosz = TMath::Sqrt(oneone - cosx*cosx - cosy*cosy);
 171               if (particle->Pz() < 0.)   cosz = -cosz;
 172
 173               STACK.tx [STACK.lstack] =   cosx;
 174               STACK.ty [STACK.lstack] =   cosy;
 175               STACK.tz [STACK.lstack] =   cosz;
 176
 177               /* Polarization cosines:*/
 178
 179               STACK.txpol [STACK.lstack] = -twotwo;
 180               STACK.typol [STACK.lstack] = +zerzer;
 181               STACK.tzpol [STACK.lstack] = +zerzer;
 182
 183               /* Particle coordinates*/
 184               STACK.xa [STACK.lstack] =   particle->Vx();
 185               STACK.ya [STACK.lstack] =   particle->Vy();
 186               STACK.za [STACK.lstack] =   particle->Vz();
 187
 188
 189
 190               /*  Calculate the total kinetic energy of the primaries: don't change*/
 191               Int_t st_ilo =  STACK.ilo[STACK.lstack];
 192               if ( st_ilo != 0 )
 193                   EPISOR.tkesum +=
 194                       ((STACK.tke[STACK.lstack] + PAPROP.amdisc[st_ilo+6])
 195                        * STACK.wt[STACK.lstack]);
 196               else
 197                   EPISOR.tkesum += (STACK.tke[STACK.lstack] * STACK.wt[STACK.lstack]);
 198
 199               /*  Here we ask for the region number of the hitting point.
 200                *     NREG (LSTACK) = ...
 201                *  The following line makes the starting region search much more
 202                *  robust if particles are starting very close to a boundary:
 203                */
 204               geocrs( STACK.tx[STACK.lstack],
 205                       STACK.ty[STACK.lstack],
 206                       STACK.tz[STACK.lstack] );
 207
 208
 209               Int_t idisc;
 210
 211               georeg ( STACK.xa[STACK.lstack],
 212                        STACK.ya[STACK.lstack],
 213                        STACK.za[STACK.lstack],
 214                        STACK.nreg[STACK.lstack],
 215                        idisc);//<-- dummy return variable not used
 216               printf("Particle Vertex %10.3f %10.3f %10.3f %5d\n",
 217                      STACK.xa [STACK.lstack],  STACK.ya [STACK.lstack],  STACK.za [STACK.lstack],
 218                      STACK.nreg[STACK.lstack]);
 219
 220
 221               /*  Do not change these cards:*/
 222               Int_t igeohsm1 = 1;
 223               Int_t igeohsm2 = -11;
 224               geohsm ( STACK.nhspnt[STACK.lstack], igeohsm1, igeohsm2, LTCLCM.mlattc );
 225               STACK.nlattc[STACK.lstack] = LTCLCM.mlattc;
 226               soevsv();
 227           }
 228       }
 229   }
 230 }
 231
 232