#define METHODDEBUG // Fortran #include "TCallf77.h" // Fluka commons #include "Fdblprc.h" //(DBLPRC) fluka common #include "Fdimpar.h" //(DIMPAR) fluka parameters #include "Fepisor.h" //(EPISOR) fluka common #include "Fstack.h" //(STACK) fluka common #include "Fstars.h" //(STARS) fluka common #include "Fbeam.h" //(BEAM) fluka common #include "Fpaprop.h" //(PAPROP) fluka common #include "Fltclcm.h" //(LTCLCM) fluka common #include "Fpart.h" //#include "Fcaslim.h" //(CASLIM) fluka common //Virutal MC #include "AliGenerator.h" #include "AliStack.h" #include "../PYTHIA6/AliGenPythia.h" #include "TVirtualMCStack.h" #include "TParticle.h" #include "TVector3.h" //Other #include #ifndef WIN32 # define source source_ # define geocrs geocrs_ # define georeg georeg_ # define geohsm geohsm_ # define soevsv soevsv_ # define mcihad mcihad_ # define source_f source_f__ #else # define source SOURCE # define geocrs GEOCRS # define georeg GEOREG # define geohsm GEOHSM # define soevsv SOEVSV # define mcihad MCIHAD # define source_f SOURCE_F #endif extern "C" { // // Prototypes for FLUKA functions // void type_of_call geocrs(Double_t &, Double_t &, Double_t &); void type_of_call georeg(Double_t &, Double_t &, Double_t &, Int_t &, Int_t &); void type_of_call geohsm(Int_t &, Int_t &, Int_t &, Int_t &); void type_of_call soevsv(); int type_of_call mcihad(const int&); /* *----------------------------------------------------------------------* * * * Created on 07 january 1990 by Alfredo Ferrari & Paola Sala * * Infn - Milan * * * * Last change on 21-jun-98 by Alfredo Ferrari * * * * C++ version on 27-sep-02 by Isidro Gonzalez * * * * This is just an example of a possible user written source routine. * * note that the beam card still has some meaning - in the scoring the * * maximum momentum used in deciding the binning is taken from the * * beam momentum. Other beam card parameters are obsolete. * * * *----------------------------------------------------------------------*/ void source_f(Int_t& nomore) { static Bool_t lfirst = true; static AliGenPythia* gener = 0; static AliStack* stack = 0; nomore = 0; TParticle* particle; Int_t itrack = -1; if (lfirst) { printf("source_f first call \n"); EPISOR.tkesum = zerzer; lfirst = false; EPISOR.lussrc = true; gener = new AliGenPythia(1); gener->SetEnergyCMS(14000.); gener->SetProcess(kPyMb); stack = new AliStack(1000); gener->SetStack(stack); gener->Init(); } else { // // Generate event printf("Calling Generate() %p \n", gener); stack->Reset(); gener->Generate(); Int_t npart = stack->GetNprimary(); printf("%d Particles on the stack \n", npart); for (Int_t part=0; partParticle(part); Int_t st = particle->GetStatusCode(); if (st != 1) continue; Int_t pdg = particle->GetPdgCode(); Int_t intfluka = mcihad(pdg); Int_t ifl = GetFlukaKPTOIP(intfluka); TVector3 polarisation; particle->GetPolarisation(polarisation); STACK.lstack++; printf("Particle %5d %5d %5d %10s %10.3f %10.3f %10.3f \n", STACK.lstack, pdg, ifl, particle->GetName(), particle->Px(), particle->Py(), particle->Pz()); /* Wt is the weight of the particle*/ STACK.wt[STACK.lstack] = oneone; STARS.weipri += STACK.wt[STACK.lstack]; STACK.ilo[STACK.lstack] = ifl; /* From this point ..... * Particle generation (1 for primaries) */ STACK.lo[STACK.lstack] = 1; /* User dependent flag:*/ STACK.louse[STACK.lstack] = 0; /* User dependent spare variables:*/ Int_t ispr = 0; for (ispr = 0; ispr < mkbmx1; ispr++) STACK.sparek[STACK.lstack][ispr] = zerzer; /* User dependent spare flags:*/ for (ispr = 0; ispr < mkbmx2; ispr++) STACK.ispark[STACK.lstack][ispr] = 0; /* Save the track number of the stack particle:*/ STACK.ispark[STACK.lstack][mkbmx2-1] = itrack; STACK.nparma++; STACK.numpar[STACK.lstack] = STACK.nparma; STACK.nevent[STACK.lstack] = 0; STACK.dfnear[STACK.lstack] = +zerzer; /* Particle age (s)*/ STACK.agestk[STACK.lstack] = +zerzer; STACK.aknshr[STACK.lstack] = -twotwo; /* Group number for "low" energy neutrons, set to 0 anyway*/ STACK.igroup[STACK.lstack] = 0; /* Kinetic energy */ STACK.tke[STACK.lstack] = particle->Energy() - particle->GetMass(); /* Particle momentum*/ STACK.pmom [STACK.lstack] = particle->P(); /* Cosines (tx,ty,tz)*/ Double_t cosx = particle->Px()/particle->P(); Double_t cosy = particle->Py()/particle->P(); Double_t cosz = TMath::Sqrt(oneone - cosx*cosx - cosy*cosy); if (particle->Pz() < 0.) cosz = -cosz; STACK.tx [STACK.lstack] = cosx; STACK.ty [STACK.lstack] = cosy; STACK.tz [STACK.lstack] = cosz; /* Polarization cosines:*/ if (polarisation.Mag()) { Double_t cospolx = polarisation.Px()/polarisation.Mag(); Double_t cospoly = polarisation.Py()/polarisation.Mag(); Double_t cospolz = sqrt(oneone - cospolx*cospolx - cospoly*cospoly); STACK.tx [STACK.lstack] = cospolx; STACK.ty [STACK.lstack] = cospoly; STACK.tz [STACK.lstack] = cospolz; } else { STACK.txpol [STACK.lstack] = -twotwo; STACK.typol [STACK.lstack] = +zerzer; STACK.tzpol [STACK.lstack] = +zerzer; } /* Particle coordinates*/ // Vertext coordinates; STACK.xa [STACK.lstack] = particle->Vx(); STACK.ya [STACK.lstack] = particle->Vy(); STACK.za [STACK.lstack] = particle->Vz(); /* Calculate the total kinetic energy of the primaries: don't change*/ Int_t st_ilo = STACK.ilo[STACK.lstack]; if ( st_ilo != 0 ) EPISOR.tkesum += ((STACK.tke[STACK.lstack] + PAPROP.amdisc[st_ilo+6]) * STACK.wt[STACK.lstack]); else EPISOR.tkesum += (STACK.tke[STACK.lstack] * STACK.wt[STACK.lstack]); /* Here we ask for the region number of the hitting point. * NREG (LSTACK) = ... * The following line makes the starting region search much more * robust if particles are starting very close to a boundary: */ geocrs( STACK.tx[STACK.lstack], STACK.ty[STACK.lstack], STACK.tz[STACK.lstack] ); Int_t idisc; georeg ( STACK.xa[STACK.lstack], STACK.ya[STACK.lstack], STACK.za[STACK.lstack], STACK.nreg[STACK.lstack], idisc);//<-- dummy return variable not used /* Do not change these cards:*/ Int_t igeohsm1 = 1; Int_t igeohsm2 = -11; geohsm ( STACK.nhspnt[STACK.lstack], igeohsm1, igeohsm2, LTCLCM.mlattc ); STACK.nlattc[STACK.lstack] = LTCLCM.mlattc; soevsv(); // // Pre-track actions at for primary tracks // } } } }