(form "00298" (size 52  7)
  (heading "DEFINE SLICING PLANES WIDTH")
  (label (position  2  3) 
     (text "Slicing planes width"))
  (label (position  2  4) 
     (text "This width is applied half-way either side of"))
  (label (position  2  5) 
     (text "the digitised line to trim away parts of the view."))
  (field "forward" (position 30  3) (display_length 10) (input allowed)
    (translate upper) (format real_8) (null disallowed) (max_length 10))
  (field "backward" (position 30  3) (display_length 10) (input allowed)
    (translate upper) (format real_8) (null disallowed) (max_length 10))

   (field "method" (position 30  3) (display_length 10) (max_length 32) (input allowed) (null disallowed) (default "Graphically select section line"))
   (field "plane_thickness" (position 30  3) (display_length 10) (input allowed) (default "") (format real_8))
   (field "step_distance" (position 30  3) (display_length 10) (input allowed) (default "") (format real_8))
   (field "value" (position 30  3) (display_length 15) (max_length 64) (input allowed) (null disallowed) (default ""))
   (field "sectionBlockModel" (position 30  3) (display_length 10) (input allowed) (null disallowed) (default "N"))
   (field "block_layer" (position 30  3) (display_length 10) (max_length 32) (input allowed) (null disallowed) (default "block sections"))
   (field "tolerance" (position 30  3) (display_length 10) (input allowed) (null disallowed) (default "0.0") (format real_8))
   (field "section_objects" (position 30  3) (display_length 10) (input allowed) (null disallowed) (default "N"))
   (field "object_range" (position 30  3) (display_length 10) (input allowed) (null allowed) (default ""))
   (field "object_layer" (position 30  3) (display_length 10) (max_length 32) (input allowed) (null disallowed) (default "object sections"))
   (field "confirm_line_ends" (position 30  3) (display_length 10) (input allowed) (null disallowed) (default "N"))
   (field "interval_range" (position 30  3) (display_length 10) (input allowed) (null disallowed) (default "interval"))
   (field "colour_fill_bm_sections" (position 30  3) (display_length 10) (input allowed) (null disallowed) (default "N"))
   (field "zoom_plane" (position 30  3) (display_length 10) (input allowed) (null disallowed) (default "Y"))
   (field "view_limits" (position 30  3) (display_length 10) (input allowed) (null disallowed) (default "N"))
   (field "display_planes" (position 30  3) (display_length 10) (input allowed) (null disallowed) (default "Y"))
   (field "use_interactive" (position 30  3) (display_length 10) (input allowed) (null disallowed))
   (field "colour_method" (position 30  3) (display_length 10) (input allowed) (max_length 30))
   (field "trace_colour" (position 30  3) (display_length 10) (input allowed) (max_length 32) (default "red"))

  (default_buttons)
)