+#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 "../THijing/AliGenHijing.h"
+
+#include "TVirtualMCStack.h"
+#include "TParticle.h"
+#include "TVector3.h"
+#include "TRandom.h"
+
+//Other
+#include <Riostream.h>
+
+#ifndef WIN32
+# define source source_
+# define geocrs geocrs_
+# define georeg georeg_
+# define geohsm geohsm_
+# define soevsv soevsv_
+# define mcihad mcihad_
+# define source_bg source_bg__
+#else
+# define source SOURCE
+# define geocrs GEOCRS
+# define georeg GEOREG
+# define geohsm GEOHSM
+# define soevsv SOEVSV
+# define mcihad MCIHAD
+# define source_bg SOURCE_BG
+#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_bg(Int_t& nomore) {
+
+ static Bool_t lfirst = true;
+ static AliGenHijing* gener = 0;
+ static AliStack* stack = 0;
+
+ nomore = 0;
+ TParticle* particle;
+ Int_t itrack = -1;
+ if (lfirst) {
+ EPISOR.tkesum = zerzer;
+ lfirst = false;
+ EPISOR.lussrc = true;
+//
+// The generator
+//
+ gener = new AliGenHijing(-1);
+// beam energy
+ gener->SetEnergyCMS(7000.);
+// reference frame
+ gener->SetReferenceFrame("LAB");
+// projectile
+ gener->SetProjectile("P", 1, 1);
+ gener->SetTarget ("A", 16, 8);
+// tell hijing to keep the full parent child chain
+ gener->KeepFullEvent();
+// enable jet quenching
+ gener->SetJetQuenching(0);
+// enable shadowing
+ gener->SetShadowing(0);
+// neutral pion and heavy particle decays switched off
+ gener->SetDecaysOff(1);
+// Don't track spectators
+ gener->SetSpectators(0);
+// The particle stack
+ stack = new AliStack(1000);
+ gener->SetStack(stack);
+ gener->Init();
+
+ } else {
+ //
+ // Generate event
+ stack->Reset();
+ gener->Generate();
+ Int_t npart = stack->GetNprimary();
+ // Vertex
+ Float_t za = 4000. * gRandom->Rndm() - 2000.;
+ // Direction
+ Float_t dir = (gRandom->Rndm() < 0.5) ? 1. : -1.;
+
+
+ for (Int_t part=0; part<npart; part++) {
+ particle = stack->Particle(part);
+ Int_t ic = particle->GetFirstDaughter();
+ if (ic != -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;
+ cosz *= dir;
+
+ 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*/
+ STACK.xa [STACK.lstack] = particle->Vx();
+ STACK.ya [STACK.lstack] = particle->Vy();
+ STACK.za [STACK.lstack] = za;
+
+ printf("Particle Vertex %10.3f %10.3f %10.3f %10.3f \n",
+ STACK.xa [STACK.lstack], STACK.ya [STACK.lstack], STACK.za [STACK.lstack], dir);
+
+
+
+ /* 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();
+ }
+ }
+ }
+}
+
+
git://git.uio.no / u / mrichter / AliRoot.git / commitdiff