Create Hull Curve

Purpose:

To create or modify a hull curve in a hull surface.

Prerequisites:

None.

Instructions:

• In create mode, the user must give a curve definition and a hull curve name. If a curve is already selected, it will be used as the curve definition. If several curves are selected, the hull curves may be automatically named. In this case, the user may enter the name of the first hull curve, with the numerical part to increase for every following curve surrounded by < and > symbols. If < and > are not a part of the name, a running number starting at one will be added at the end of the entered name. Alternatively, the name may include a repetition term within < and >, where the repetition term will generate the names of the curves. Examples of valid entries in the name field are HCURVE, HCURVE<5>C and HCURVE<5(10)25>C (with the last example valid only with three selected curves).

• In modify mode, the user may change any part of the hull curve, including its name and box. The Modify Curve button lets the user change the curve definition. Since the hull curve is trimmed with the box, the extension of the hull curve can be changed by modifying the box coordinates.

Options:

None available.

Result:

• In create mode, a new hull curve will be created and selected. The Store function may be used to store the hull curve on the hull form data bank.

• In modify mode, the hull curve will be updated with the new definition data. To make the changes permanent, Store must be used. Using the Skip function before the hull curve has been stored will undo the changes.