Girths may be found for all visible surfaces by using the Girth function from the Data Menu.

To locate the longitudinal position where a given half girth occurs:

·   Enter the half girth length.

·   Click the Calculate Position button.

To find a half girth length at a given longitudinal position:

·   Enter a position where the half girth is required.

·   Click the Calculate Half girth button.

You may search from the bow or stern. When you have finished, click Finished.