Hi,

The tutorial states that the quality needs to be increased prior to
ray-tracing. But it seems to me that the {sphere,stick}_quality
settings apply to the OpenGL rendering, whereas the raytracer uses
'real' spheres and cylinders. Even when setting sphere_quality to 0,
'ray' will still give (near) perfect spheres.

Cheers,

Tsjerk

On Wed, Oct 27, 2010 at 11:27 PM, Jason Vertrees
<jason.vertr...@schrodinger.com> wrote:
> 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
>>
>>
>>
>>
>> ------------------------------------------------------------------------------
>> Nokia and AT&T present the 2010 Calling All Innovators-North America contest
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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
> _______________________________________________
> PyMOL-users mailing list (PyMOL-users@lists.sourceforge.net)
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>



-- 
Tsjerk A. Wassenaar, Ph.D.

post-doctoral researcher
Molecular Dynamics Group
* Groningen Institute for Biomolecular Research and Biotechnology
* Zernike Institute for Advanced Materials
University of Groningen
The Netherlands

------------------------------------------------------------------------------
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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