What is the utility the seventh line and deckline of tablet offsets?

[Vicente Orduña LLopis]

Hello.

I´m working with this software to view its capacities. I find it very interesting for my work.

Now, I’m modeling the ship which I’m working. To import the ship to software, I have created a tablet offsets. I’ve imported it without problems. But I don´t understand what is the utility of:

• The seventh line indicates whether data describing the flat of bottom at each station is present (1) or not (0). What is the utility?

• The third line indicates whether data describing the deckline at each station is present (1) or not (0). Data describing the deckline height (left column) and beam (right column) measured on each station. What is the utility?

Thank you.

[Author]

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