-//_____________________________________________________________________________
-extern "C" void type_of_call
-#ifndef WIN32
-rxstrak (Int_t &keep, Int_t &parent, Int_t &ipart, Float_t *pmom,
- Float_t *vpos, Float_t &tof, const char* cmech, Int_t &ntr, const int cmlen)
-#else
-rxstrak (Int_t &keep, Int_t &parent, Int_t &ipart, Float_t *pmom,
- Float_t *vpos, Float_t &tof, const char* cmech, const int cmlen,
- Int_t &ntr)
-#endif
-{
- //
- // Fetches next track from the ROOT stack for transport. Called by GUKINE
- // and GUSTEP.
- //
- // Status of the track. If keep=0 the track is put
- // keep on the ROOT stack but it is not fetched for
- // transport.
- // parent Parent track. If parent=0 the track is a primary.
- // In GUSTEP the routine is normally called to store
- // secondaries generated by the current track whose
- // ROOT stack number is MTRACK (common SCKINE.
- // ipart Particle code in the GEANT conventions.
- // pmom[3] Particle momentum in GeV/c
- // vpos[3] Particle position
- // tof Particle time of flight in seconds
- //
- // cmech (CHARACTER*10) Particle origin. This field is user
- // defined and it is not used inside the GALICE code.
- // ntr Number assigned to the particle in the ROOT stack.
- //
- char mecha[11];
- Float_t polar[3]={0.,0.,0.};
- for(int i=0; i<10 && i<cmlen; i++) mecha[i]=cmech[i];
- mecha[10]=0;
- Int_t pdg=gMC->PDGFromId(ipart);
- gAlice->SetTrack(keep, parent-1, pdg, pmom, vpos, polar, tof, mecha, ntr);
- ntr++;
-}
-
-//_____________________________________________________________________________
-extern "C" void type_of_call rxkeep(const Int_t &n)
-{
- if( NULL==gAlice ) exit(1);
-
- if( n<=0 || n>gAlice->Particles()->GetEntries() )
- {
- printf(" Bad index n=%d must be 0<n<=%d\n",
- n,gAlice->Particles()->GetEntries());
- exit(1);
- }
-
- ((TParticle*)(gAlice->Particles()->UncheckedAt(n-1)))->SetBit(kKeepBit);
-}
-