in.sol01: SOLENOID, L = 0.60,  field_calc = fieldmap, tracking_method = runge_kutta, 
	grid_field = call::in.solenoid_grid.bmad

in.sol02: SOLENOID, L = 0.60,  field_calc = fieldmap, tracking_method = runge_kutta, 
	grid_field = call::in.solenoid_grid.bmad }}