HLX-ROT allows you to rotate geometry about a specified 
axis by a given number of degrees and then translate it
parallel to the axis, by a specific length.

Indicate the method of transformation by choosing from the
following options:

MOVE - to apply the transformation directly to the 
selected entities. All non-geometric data relating 
to the entities is preserved.

COPY - to apply the transformation to copies of the 
selected entities. Copies are created on the active level
and retain the attributes of the original geometry. All 
non-geometric data relating to the entities is preserved.
You can create as many copies as you want in one 
operation. The transformation for a given copy is 
applied to the results of the previous copy.

JOIN - to apply the transformation to copies of the 
selected entities and create lines from join positions on
the original entities to corresponding positions on the
copies. The new joining entities are lines that assume 
all the current default line attributes. Coincident
positions generate only one joining entity.

Joined copies are created on the active level; all 
non-geometric data relating to the entities is preserved;
you can create as many copies as you want in one 
operation; the transformation for a given copy is applied 
to the results of the previous copy.

If using JOIN, choose from the following options:

LINES - to use lines as the joining entities.

SPLINES - to use helical splines as the joining entities.

Select the desired entities, using a Selection Menu 
option.

If you are using COPY or JOIN, enter the desired number 
of copies and press <Enter>.

Indicate a position on the rotational axis, using a 
Position Menu option.

Either indicate another position on the rotational axis, 
or press <Enter> to have the axis normal (perpendicular) 
to the construction plane.

Enter the rotation angle in degrees.

Enter the pitch. The pitch is the number of complete turns
per single measurement unit length (as defined in DETAIL,
SET, UNITS).
