In article <3972317D.CFBC8723@yahoo.com>, ryan constantine 
<rco### [at] yahoocom> wrote:

> another alternative is to use an SOR.  Surface Of Revolutions can be
> spun for partial circles.

Where did you hear that?
Anyway, it isn't true. SOR's always revolve by a full 360 degrees, and 
the same goes for lathes. I even double-checked in the manual and the 
source code, to make sure. Maybe you are thinking of some other 
program...

-- 
Christopher James Huff - Personal e-mail: chr### [at] maccom
TAG(Technical Assistance Group) e-mail: chr### [at] tagpovrayorg
Personal Web page: http://homepage.mac.com/chrishuff/
TAG Web page: http://tag.povray.org/

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