RE: [PyMOL] lines same color as background

[Ezequiel P. <zac@SLAC.Stanford.EDU>]

Results:

on geforce4 ti 4400 from PNY
	WORKS:
		line_smooth=0
		depth_cue=1   

		line_smooth=1
		depth_cue=0

		line_smooth=0
		depth_cue=0

	WORKS NOT
		line_smooth=1
		depth_cue=1
 


On Thu, 30 May 2002, DeLano, Warren wrote:

> 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:wa...@su...
> Warren L. DeLano, Ph.D.
> 
> 
> 
> > -----Original Message-----
> > From: Ezequiel Panepucci [mailto:zac@SLAC.Stanford.EDU]
> > Sent: Thursday, May 30, 2002 1:39 PM
> > To: PyM...@li...
> > 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
> > 
> > 
> > _______________________________________________________________
> > 
> > Don't miss the 2002 Sprint PCS Application Developer's Conference
> > August 25-28 in Las Vegas -- http://devcon.sprintpcs.com/adp/index.cfm
> > 
> > _______________________________________________
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> > PyM...@li...
> > https://lists.sourceforge.net/lists/listinfo/pymol-users
> > 
> 

--
 Ezequiel Panepucci - Laboratory of Prof. Axel Brunger
 HHMI - Stanford University
 Phone: 650-926-5127
 Cell:  650-714-9414