Hi Christian;
  Thanks for the reply.
  I realize that I can't eliminate them entirely and the anti-aliasing
defined in the INI file does have an affect but it still leaves noticeable
jaggies especially at the top/bottom and sides of any curved surface where
the arc segments are nearly straight lines.  I modified the existing entry
as follows:

[1280x1024, AA 0.9]
Width=1280
Height=1024
Antialias=On
Antialias_Threshold=0.9

  I can't see any difference between a value of 0.1 and 0.9 and the problem
is that I just can't get the quality of anti-aliasing that I see in other
people's work.

  Thanks again...gjw

"Christian Froeschlin" <chr### [at] chrfrde> wrote in message
news:460e6656$1@news.povray.org...
> George J. Wallace wrote:
>
> >   Thanks for the reply.  I was just editing the resolution INI file and
> > wasn't aware there were other options available.
>
> There should be some predefined entries in the resolution INI files
> using anti-aliasing, didn't those work for you either? Note that the
> command line doesn't accept floating point values without leading
> zero as you cited them, i.e. the command line is +a0.3, not +a.3
>
> Besides, is your problem that anti-aliasing doesn't seem to have
> any effect or just that the result is better but not satisfactory?
> Does this problem occur in a specific scene file or also if you
> just render a simple scene containg only a sphere?

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