Hi Xiao-Ping,

If you want the _best_ sphere quality, then try,

  set sphere_mode, 5

This is pixel-perfect rendering of spheres in PyMOL using openGL
shaders.  Otherwise, these quality settings in PyMOL are typically
limited to how much memory your machine has; also, these settings are
usually quadratic or exponential in their use of memory.

That tutorial looks good, but needs updating to make better use of
PyMOL's features.

Cheers,

-- Jason

On Wed, Oct 27, 2010 at 5:09 PM, Xiao-Ping Zhang <xpzh...@ucdavis.edu> wrote:
> Hi, PyMol users,
>
> I have noticed that Justin Lorieau
> (http://www.lorieau.com/methods-and-reference/molecular-viewers/30-pymol--ball-and-stick-figures.html)
>  can use +ACI-set sphere+AF8-quality, 10+ACI to generate a ball+AF8-stick 
> picture. When I tried to use the same command, PyMol crashed. The default 
> sphere+AF8-quality is 1, 3 is the maximum value that I can use. I am curious 
> what is the maximum value. I am running PyMol 1.3 on Fedora 13.
> Thank you for your help.
>
> Xiao-Ping
>
>
>
>
> ------------------------------------------------------------------------------
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-- 
Jason Vertrees, PhD
PyMOL Product Manager
Schrodinger, LLC

(e) jason.vertr...@schrodinger.com
(o) +1 (603) 374-7120

------------------------------------------------------------------------------
Nokia and AT&T present the 2010 Calling All Innovators-North America contest
Create new apps & games for the Nokia N8 for consumers in  U.S. and Canada
$10 million total in prizes - $4M cash, 500 devices, nearly $6M in marketing
Develop with Nokia Qt SDK, Web Runtime, or Java and Publish to Ovi Store 
http://p.sf.net/sfu/nokia-dev2dev
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