From: John Stone (johns_at_ks.uiuc.edu)
Date: Fri Apr 21 2006 - 14:52:32 CDT

Nathan,
  The color by volume feature still misbehaves on MacOS X due to 3-D
texturing issues on that platform. The feature isn't disabled, but until
the Mac drivers work correctly, it'll continue be unusable. (or until
I find a way to work around the problem by changing VMD, if Apple doesn't
fix the driver) Several other people have told me that they are also having
problems with 3-D texturing on MacOS X, so this is apparently not specific
to VMD.

The ribbons width modulation feature is still non-production, so in order
to enable it, you'll have to compile from source or get a binary from me.
I hope to get it into the GUI for the next version.

  John Stone
  vmd_at_ks.uiuc.edu

On Fri, Apr 21, 2006 at 12:32:16PM -0700, Nathan C. Rockwell wrote:
> Hi all,
>
> just wondering whether a couple of things that have been discussed on VMD-L
> have been resolved in 1.8.4.
>
> 1. Has color-by-volume become possible for PowerPC Macs? I know it's not
> running on my machine with 1.8.4, but I was curious as to whether that was
> still expected or not. Last I heard, Apple was still trying to figure out
> the problem.
>
> 2. Is the variable width for NewRibbons available in the 1.8.4 download?
> This was discussed on the list about a month ago as a fairly early test
> version, and I can't tell whether it was included in 1.8.4 or not.
>
> 3. Also, related to 2, how is the variable radius implemented? Does it
> autoscale off of the actual range of B or occupancy values? Could it handle
> signed input values?
>
> Thanks,
> nr
>

-- 
NIH Resource for Macromolecular Modeling and Bioinformatics
Beckman Institute for Advanced Science and Technology
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Email: johns_at_ks.uiuc.edu                 Phone: 217-244-3349
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