Hi Tom,

 

set specular, 0 

 

alone should be enough to do the job if all you want to do is turn off
specular lighting -- you can ignore all those other spec_* settings.

 

However, for a more matte appearance I'd be more inclined to try:

 

set shininess,10

 

set specular_intensity, 0.2

 

# and perhaps

 

space pymol

 

# in order to lessen problems with color saturation.

 

Cheers,

Warren

 

________________________________

From: Thomas Stout [mailto:tst...@exelixis.com] 
Sent: Friday, August 07, 2009 2:51 PM
To: pymol-users@lists.sourceforge.net
Subject: [PyMOL] de-speculating?

 

 

Hi All --

 

Would anyone happen to have a "recipe" handy for turning down/off the
specularity (of CPK spheres especially)  in PyMOL?  I happen to be a fan
of more "matte" surfaces and find the highlights to be rather extreme.
I've been messing around with all of the parameters as found on
PyMOLwiki:

 

Spec direct

Spec direct power

spec power 

specular

specular intensity

 

as well as

reflect

ambient

 

et cetera

 

but haven't really found the sweet spot.

 

My current settings look like:

spec_count, 1

spec_direct, 0.0

spec_direct_power, 2000

spec_power, 2000

spec_reflect, 2

specular, 0

specular_intensity, 0.5

ambient, 0.08

reflect, 0.66


This is close, but loses some dimensionality in the CPK spheres (they
now look flat in the middle).  Oddly, the spheres look great in the GUI
(unrendered) but the ray-traced version seems to clip the shading/color
distribution badly....

 

Any suggestions?

 

Thanks!

-Tom

 

 

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