&bmad_to_gpt_params
	lat_filename = 'lat.bmad'

  lat2_filename = 'lat2.bmad'

  gpt_lattice_param%field_map_dimension = 2
  !gpt_lattice_param%only_write_autophase_parameters = T

    write_gpt_particles = .true.
    write_time_particles = .true.
	  beam_init%bunch_charge = 1.0e-9
    beam_init%n_particle = 27
		beam_init%distribution_type(1) = 'GRID'
		beam_init%distribution_type(2) = 'GRID'
		beam_init%distribution_type(3) = 'GRID'
		beam_init%grid(1)%n_x = 3
		beam_init%grid(1)%n_px = 1
        beam_init%grid(1)%x_min = -1e-3
        beam_init%grid(1)%x_max =  1e-3
		beam_init%grid(2)%n_x = 3   
		beam_init%grid(2)%n_px = 1
        beam_init%grid(2)%x_min = -1e-3
        beam_init%grid(2)%x_max =  1e-3
		beam_init%grid(3)%n_x = 3
		beam_init%grid(3)%n_px = 1
        beam_init%grid(3)%x_min =  1e-6
        beam_init%grid(3)%x_max =  2e-6
		    beam_init%n_bunch = 1
/