This works for me:

draw diameter 2.0 cylinder {0 0 0} {3 3 4}

so I think it's just that you are using "50" there. I'll fix that...

Bob


On Mon, Aug 2, 2010 at 2:53 PM, Wayne Decatur <[email protected]> wrote:

> From the description of cylinder in the documentation
> <http://chemapps.stolaf.edu/jmol/docs/#draw>.....
>
> "Introduced in Jmol 11.6, draw CYLINDER creates a cylinder of the
> designated diameter. End caps can be set to closed/flat (FILL, the default)
> or open (MESH NOFILL)."
>
> I was expecting the following command to give a geometric cylinder with
> flat ends; however, instead the end caps are rounded.
> draw CYLINDER DIAMETER 50 FILL  {0 0 .8} {-2 1.8 .8}
> (Trying this in Jmol 
> 12.1.1<http://chemapps.stolaf.edu/jmol/docs/examples-11/draw.htm>)
>
> Changing FILL to MESH NOFILL does indeed do as it says in the documentation
> and give an open-ended cylinder. The documentation under [display option]
> does later say FILL makes smooth surfaces which I guess rounded end caps
> are. However, is there an additional parameter to make cylinders with flat
> ends?
>
> Thanks,
> Wayne
>
>
>
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-- 
Robert M. Hanson
Professor of Chemistry
St. Olaf College
1520 St. Olaf Ave.
Northfield, MN 55057
http://www.stolaf.edu/people/hansonr
phone: 507-786-3107


If nature does not answer first what we want,
it is better to take what answer we get.

-- Josiah Willard Gibbs, Lecture XXX, Monday, February 5, 1900
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