(form "20490" (size 45 16)
    (help "20490_TIP_0")
    (heading "VARIOGRAM MODEL"
    )

    (label
        (position 7 3)
        (text "Model Type:"
        )
    )
    (field "mod_type"
        (position 17 3)
        (display_length 11)
        (input allowed)
    )

    (label
        (position 9 4)
        (text "Nugget:"
        )
    )
    (field "nugget"
        (position 17 4)
        (display_length 10)
        (decimals 6)
        (format real_8)
        (input allowed)
    )

    (label
        (position 7 6)
        (text "Structure"
        )
    )
    (label 
        (position 7 7)
        (text "1")
    )
    (label
        (position 7 8)
        (text "2")
    )
    (label
        (position 7 9)
        (text "3")
    )
    (label
        (position 7 10)
        (text "4")
    )
    (label
        (position 7 11)
        (text "5")
    )

    (label
        (position 17 6)
        (text "Sill"
        )
    )
    (label
        (position 27 6)
        (text "Range"
        )
    )

    (field "sill0"
        (position 17 7)
        (display_length 8)
        (decimals 6)
        (format real_8)
        (input allowed)
    )
    (field "range0"
        (position 27 7)
        (display_length 8)
        (decimals 3)
        (low_bound 0)
        (format real_8)
        (input allowed)
    )

    (field "sill1"
        (position 17 8)
        (display_length 8)
        (decimals 6)
        (format real_8)
        (input allowed)
    )
    (field "range1"
        (position 27 8)
        (display_length 8)
        (decimals 3)
        (low_bound 0)
        (format real_8)
        (input allowed)
    )

    (field "sill2"
        (position 17 9)
        (display_length 8)
        (decimals 6)
        (format real_8)
        (input allowed)
    )
    (field "range2"
        (position 27 9)
        (display_length 8)
        (decimals 3)
        (low_bound 0)
        (format real_8)
        (input allowed)
    )

    (field "sill3"
        (position 17 10)
        (display_length 8)
        (decimals 6)
        (format real_8)
        (input allowed)
    )
    (field "range3"
        (position 27 10)
        (display_length 8)
        (decimals 3)
        (low_bound 0)
        (format real_8)
        (input allowed)
    )

    (field "sill4"
        (position 17 11)
        (display_length 8)
        (decimals 6)
        (format real_8)
        (input allowed)
    )
    (field "range4"
        (position 27 11)
        (display_length 8)
        (decimals 3)
        (low_bound 0)
        (format real_8)
        (input allowed)
    )

    (label
        (position 7 13)
        (text "REPORT_FILE_NAME"
        )
    )
    (field "notefile"
        (position 17 13)
        (display_length 13)
        (max_length 40)
        (input allowed)
        (null allowed)
        (file output
            (extension trim "reports|*.not")
        )
        (default "")
        (help   "REPORT_FILE_NAME_TIP"
        )
    )
         
    (default_buttons)
)