TAB CYL allows you to create a polyline mesh that
approximates the surface that is defined by sweeping 
a generator curve along an axis vector (the director) 
of a specified length.

Select the line, arc, conic, or spline to be used as the
generator curve.

Enter the number of segments you want in the generator
curve.

Define the cylinder axis by choosing one of the following
options:

2 PTS - to define the cylinder axis by selecting a start
point and an endpoint. An axis vector is directed from the
start point to the endpoint. Using a Position Menu option,
indicate a start point and an endpoint to define the axis
vector.

LINE - to define the cylinder axis by selecting a line
entity. The axis vector is directed from the end of the 
line closest to the selection point, to the opposite end 
of the line. Select a line entity to define the axis 
vector.

END ENT - to define the cylinder axis by selecting a line,
arc, conic, polyline, or spline. The axis is defined as 
the outward pointing tangent vector at the end of the 
entity, closest to the cursor selection position. Select a
line, arc, conic, polyline, or spline.

KEYIN - to define the cylinder axis by entering the axis
vector coordinates. Define the direction of the vector by
entering the x, y, z vector components, either in world 
or construction coordinates.


Enter the length of the cylinder. If you enter a negative
length the direction of the axis vector is reversed.

Enter the number of segments that are to be generated in
the axis direction.

A temporary mesh is displayed, along with a NO/YES menu. 
If the curves are connected correctly, choose YES. If the
curves are not connected correctly, choose NO and select
another generator curve.

Indicate whether or not you want to group the entities.
Choose NO to continue without grouping. Choose YES to 
create a group, and enter a group name.

The mesh is created.
