line  plot Bz
0 0 0 80                 ! Line end points: x1,y1,x2,y2
500                      ! number of intervals along line
Parmela                  ! Creates input 2-D field map for Parmela
0, 20, 2, 60             ! Grid corners for map
9 49                     ! Number of radial and longitudinal increments 
end