Command Reference

ACCEPT

Accept current curve

ADD

Add defining curves to Patch

ADJUST

Manipulate vertex points of current curve.

ARC

Generate points to approximate an Arc.

AREA

Calculate area under current curve.

CDS

Curves Data store Manipulation.

CLEAR

Used to check deviation between patch and curve.

CLEAR

Clear the graphics screen.

CONNECT

Connect curve networks together.

CONTINUITY

Sets the continuity between two stored patches.

COORD

Output coordinates of a Point or Cursor.

COPY

Copy stored curve.

CREATE

Create non-orthogonal curves, PMB or input Frame Table.

CROSS

Output crossing points for the Loftbook.

DATA

List information for current curve.

Define:

Commands prefixed "DEFINE_" control the setting of various system facilities.

DEFINE AXES

DEFINE BRITSHELL

DEFINE HEADER

DEFINE HULLSURF

DEFINE KNOT

DEFINE MIDSHIP

DEFINE PALETTE

DEFINE PARTICULARS

DEFINE PLOT

DEFINE REDISPLAY

DEFINE SORT

DEFINE SPLIT

DEFINE STATUS

DEFINE SURFACE

DEFINE UNITS

DELETE

Delete an element.

DERIVATIVE

Calculate derivative on current curve.

DESIGN

To input/output Design data.

DIRECTORY

Digitize input data.

DIRECTORY

List stored data.

DISPLAY

Draw Elements.

DUMP

Transfer data to/from another computer.

EXTRAPOLATE

Linearly extrapolate curves.

FAIR

Automatically fair Orthogonal curves.

FIT

Fit a series of curves.

GAUSSIAN

Used to visually check fairness of patches.

GENERATE

Define Patches or Plates

GET

Calculate data points for Orthogonal curves or SAC.

GIRTH

Calculate girths for selected curves.

GRID

Draw grid.

HELP

List help information.

HULLFORM

Generate a hull form definition

IDENTIFY

Identify displayed curves

INSERT

Insert data points.

INTERPOLATE

Interpolate current curve. Intersect two stored curves.

JOIN

Joins two part designs together, forming one design.

KNOT

To insert or remove knots from the current curve.

LINE

Fit straight line segment.

MAGNIFY

Magnify curvature scale factor.

MARK

Enable manual curve fitting of data points.

MARK

Assign marked on lines to a plate.

MODIFY

Modify an existing stored curve.

MARK

Move data points.

OFFSET

Offset data points.

OUTPUT

Output Patch or Plate data.

PAN

Pan the design in a graphics view.

PATCH OFFSET

Generate or check an offset surface.

PDS

Plates Data store manipulation program.

PREFIT

Fit B-Spline through current data points.

PRINCIPAL

Used to visually check fairness of patches.

PROJECT

Projects a 3D curve into 2D views for fairing.

PROPERTIES

Calculate hydrostatic properties.

QUIT

Quit the current curve.

REDO

Redo the last operation on the current curve.

REFIT

Refit selected orthogonal curves.

REGENERATE

Regenerate an existing patch.

REMOVE

Remove data points.

REPLACE

Replace data points.

RESET

Reset graphics window.

SAVE

Save modifications made in current session.

SCALE

Scale the principal dimensions of the ship.

SORT

Set alternative point type.

SORT

Sort current points.

SPLIT

Splits a ship design into two separate designs.

SWITCH

Switch on/off selected data.

TRANSLATE

Translate the internal X, Y and Z coordinates of the design.

TRANSPOSE

Shift curves based on variations in SAC.

UPDATE

Undo the last operation on the current curve.

UPDATE

To update the selected Orthogonal curves to match the changes made to the current curve.

USE

Control the use of various systems facilities. These include:- Interpolated Curves, Section Numbering, Scaling, Deck Fitting, Curve Endings, Single Data file, Curvature Representation, Graphics Device, Loftbook Generation and Tablet Menu.

VARIATION

Manipulate SAC with predefined algorithms.

VIEW

Select working view.

WINDOW

Select portion of design to view.

ZOOM

Increase/decrease zoom scale factor 0.