(form "20043" (size 52 14)
  (help "20043_TIP_0")
  (heading "VERTICAL SECTION SPECIFICATION")
  (label (position 10  3) (text "Define the section line :"))
  (label (position 10  4) (text "Left end"))
  (label (position  7  5) (text "Y"))
  (label (position  7  6) (text "X"))
  (label (position 30  4) (text "Right end"))
  (label (position 27  5) (text "Y"))
  (label (position 27  6) (text "X"))

  (label (position 10  8) (text "Define the Z extent:"))
  (label (position  5  9) (text "Min"))
  (label (position 26  9) (text "Max"))

  (field "left_y" (position 10  5) (display_length 10) (input allowed)
    (format real_8) (max_length 10) 
    (help "20043_TIP_1"))
  (field "left_x" (position 10  6) (display_length 10) (input allowed)
    (format real_8) (max_length 8)
    (help (field "left_y")))

  (field "right_y" (position 30 5) (display_length 10) (input allowed)
    (format real_8) (max_length 10) 
    (help (field "left_y")))
  (field "right_x" (position 30 6) (display_length 10) (input allowed)
    (format real_8) (max_length 8) 
    (help (field "left_y")))
    
  (field "min_z" (position  10 9) (display_length 10) (input allowed)
     (max_length 12) (format real_8)
     (help "20043_TIP_2"))
  (field "max_z" (position 30  9) (display_length 10) (input allowed)
    (max_length 10) (format real_8)
    (help (field "min_z")))

  (default_buttons)
)