anchor.diff:  !++  End of check for hit this turn and element
       end if
     end do ! end do j = 1, napx
  +
  +  if(dowrite_tracks) then
  +    call coll_writeTracks2(1)
  +  end if
   
   !++  Calculate statistical observables and save into files...
     if (n_impact.gt.0) then
  
positive.code: !  WRITE TO FILES
  ! ================================================================================================ !
  
  ! ================================================================================================ !
  !  Writing of tracks2.dat
  ! ================================================================================================ !
  
negative.code: subroutine collimate_end_collimator(stracki)
  
    use crcoall
    use mod_common
    use mod_common_main
    use mod_common_track
    use mod_units
    use string_tools
    use coll_db
    use coll_common
  #ifdef G4COLLIMATION
    use geant4
  #endif
  