!no_digested

BEGINNING[BETA_A]  = 1
BEGINNING[ALPHA_A]=  0
BEGINNING[BETA_B] = 1
BEGINNING[ALPHA_B] = 0

PARAMETER[particle] = electron
PARAMETER[geometry] = OPEN

parameter[p0c] = 0

in.mar.beg: marker

in.gun: E_GUN, L = 0.15, field_calc = fieldmap, tracking_method = time_runge_kutta,
  mat6_calc_method = tracking, autoscale_phase = F,
  grid_field = call::in.gun_grid.bmad

in.gun[voltage] = 250e3 !Voltage in V

! Wall
call, file = in.gun_wall.bmad


!Note that the original superfish grid had a maximum on-axis field of:
! 0.008353829
! T
!

in.solenoid: SOLENOID, L = 0.6,  field_calc = fieldmap, tracking_method = time_runge_kutta,
  mat6_calc_method = tracking,
  grid_field = call::in.solenoid_grid.bmad,
  superimpose, ref = in.mar.beg


in.solenoid[bs_field] = 0.025331


in.solenoid[x_offset] = 0.001234
in.solenoid[y_offset] = 0.004321
in.solenoid[x_pitch] = -0.001
in.solenoid[y_pitch] =  0.001



in.solenoid[offset] = 0.311



d0: drift, L = 1.0

!in.gun[ds_step] = 0.001

lat: LINE = (in.mar.beg, in.gun, d0)

use, lat