Zac,

   Thanks for the report.

   The fact that it happens with Ono too indicates that it is a 
driver/openGL-level bug.  You can try some things like disabling depth cuing 
(set depth_cue=0) or smoothing (set line_smooth=0), but most likely you will 
need to wait for a driver upgrade.  Please do report the problem to nVidia tech 
support and clearly state that the problem occurs across multiple OpenGL 
programs.

  Also, you might try using an older version of the driver.  AFAICR, nVidia 
uses a unified driver architecture which is both backwards and forwards 
compatible.  If you do find a robust solution, please pass it along!

Cheers,
Warren

--
mailto:war...@sunesis.com
Warren L. DeLano, Ph.D.



> -----Original Message-----
> From: Ezequiel Panepucci [mailto:z...@slac.stanford.edu]
> Sent: Thursday, May 30, 2002 1:39 PM
> To: PyMOL-users@lists.sourceforge.net
> Subject: [PyMOL] lines same color as background
> 
> 
> Hello There,
> 
> I have this geforce4 ti 4400 with the latest nvidia
> drivers and xfree86 4.2
> 
> Problem: The lines are always colored the same color as the
> background. If I change the background to white the lines become
> white.
> 
> all other representaions (sticks, spheres surface) work
> fine. So as a workaround I am using stick_radius really small
> but this is not the same, lines are way better for interactive work.
> 
> Weird thing is, the same happens under Win2k (dual boot machine
> here so exactly the same hardware).
> 
> More weirdness: also happens with Ono under both OSes.
> 
> My feeling is that this has to do with the z-buffer/fog
> thingy. I did run a program drawing (GL_LINES) with GL_DEPTH_TEST
> enabled and that worked fine.
> 
> any clues?
>       Zac
> 
> --
>  Ezequiel Panepucci - Laboratory of Prof. Axel Brunger
>  HHMI - Stanford University
>  Phone: 650-926-5127
>  Cell:  650-714-9414
> 
> 
> _______________________________________________________________
> 
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