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

[John Z. <joh...@wa...>]

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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