Re: [Visualpython-users] Python-visual in latest Ubuntu

[Bruce S. <Bru...@nc...>]

Thanks much for this very useful information, John.

It certainly does seem like a driver problem, though I suppose it is
possible that Visual contains some inappropriate use of OpenGL that
shows up only with new drivers.

Bruce Sherwood

On Mon, Nov 28, 2011 at 12:11 PM, John Zelle <joh...@wa...> wrote:
> Hi again,
>
> I've gotten my python-visual on Intel video working under Ubuntu 11.10. Installing the libgtkglextmm-x11-1.2-dev package fixed the GL error I was getting. I had to go to the site_settings.py library file and turn the shaders off. It seems to be working now without issues.
>
> It now appears to me that the seg fault issue is specific to NVIDIA graphics, which raises the possibility that it is a driver issue for NVIDIA cards.
>
> John Zelle, PhD
> Professor of Computer Science
> Wartburg College
>
>
> ________________________________________
> From: Kevin Karplus [ka...@so...]
> Sent: Monday, November 28, 2011 12:04 PM
> To: Bru...@nc...
> Cc: vis...@li...
> Subject: Re: [Visualpython-users] Python-visual in latest Ubuntu
>
> I have, sadly, had to remove 32-bit Python from my machine, thus
> breaking Vpython.  I had another package that I had to use for my
> research that only was too difficult to reconfigure to compile to
> 32-bit Python on a 64-bit machine.  So I needed 64-bit Python to do my
> work.
>
> So I've had to give up on Vpython for my own use (though my son will
> still use it on the household computer, which does not need to run
> research code and can tolerate using 32-bit Python).  I suppose, that
> with considerable effort I could dig up an old version of Python that
> could be compiled for a 32-bit machine, but the hassle involved is too
> large.  Having both a 32-bit and 64-bit version of Python 2.7.2 on the
> same Mac seems to be very difficult to set up, as the Mac method for
> having multiple versions of python seems to rely on the version number
> to keep the directories straight.
>
> Unless the 32-bit kluge is fixed within the next year, Vpython will
> become just another good idea that disappeared because it was tied to
> obsolete technology.  I suspect that Vpython will almost disappear
> within 3-5 years if it remains tied to legacy computers.
>
> Kevin Karplus
>
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