although maybe out of context (as I am talking about the older pymol 0.99 rc6 on windows), but the same happens with windows 2003 server . If you do not touch anything, the screen keeps updating.

On 8/30/07, DeLano Scientific <delsci@delsci.info> wrote:
Roger,

This isn't so much a PyMOL bug as a flaky characteristic of OpenGL under
Windows XP, which eventually stops updating the screen when an application
like PyMOL attempts to draw continuously for a long period of time without
relinquishing control back to the operating system event loop.

PyMOL isn't actually frozen when this happens -- it continues to render and
write out images.  Windows simply isn't updating the screen.  The problem
doesn't exist on Windows 2k or Linux, but a very similar behavior occurs
with MacPYMOL (but which can be worked around by dragging the MacPyMOL
window).  Eventually we'll rearchitect PyMOL's event loop so as to eliminate
this annoyance.

Cheers,
Warren


> -----Original Message-----
> From: pymol-users-bounces@lists.sourceforge.net
> [mailto: pymol-users-bounces@lists.sourceforge.net] On Behalf
> Of Roger Rowlett
> Sent: Thursday, August 30, 2007 9:15 PM
> To: pymol-users@lists.sourceforge.net
> Subject: [PyMOL] Pymol 1.0 graphics bug
>
> In Pymol 1.0, the pymol viewer freezes during an mpng command
> in progress if the mouse pointer is moved. (Windows XP XP2
> only, using Intel chips and motherboard, Nvidia graphics card
> and driver) PNG files are written out properly, and viewer
> window becomes live again after completion of the mpng
> command. I have verified this on two different systems, one
> with an Intel DG945CC board and Pentium D 805 with Nvidia
> GeForce 7300S and another with an Intel DQ965FE board and
> Core Duo 2 E6600 with XFX GeForce 8600 GT graphics. Both
> machines have 2 Gbyte of RAM and the latest Nvidia drivers.
> This behavior cannot be duplicated in Linux FC6 using a
> Quadro 980XGL and a single core Pentium 4, also with 2 Gbyte of RAM.
>
> Anybody else notice this?
>
> Cheers,
>
>
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