[Chimera-users] Drawing Artifacts
baucom at msg.ucsf.edu
Thu Feb 8 12:10:35 PST 2007
Using the latest stable current production release of Chimera,
1.2304, I have begun to experience some drawing problems that I never
had in previous versions.
Specifically I frequently get a thin wireframe rendering of my
protein structure when I draw the structure as a ribbon with a volume
open at the same time. This wire frame persists even when I turn the
display of the molecule off in the model panel, and it also does not
rotate or translate if the protein is selected as the only active
object. In effect it leaves behind a ghost image. Curiously this
representation alternates from a light gray/white color to black when
I open dialog boxes. The artifact toggles on and off with the volume
in some instances.
My processing and graphics hardware have not changed recently, nor
has operating system (Linux). I do not experience this behavior with
my last version of Chimera, 1.2199; it never renders this artifact.
I have a nVidia Geforce 6800GT graphics card with the nVidia Linux
drivers 1.0-9746. My X11 server is version 6.8.2.
Here is a screen image of this phenomenon
I have rotate the model slightly to show that the thin wireframe
stays behind. It is not a separate object in the model panel.
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