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

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

Thanks for the report. It's helpful to know that you see the problem
with an ATI card, in addition to the reports concerning computers with
NVIDIA cards. So that pretty much rules out the graphic driver being
the problem. I've come to a pause in other high-priority work and will
make a serious attempt at debugging this.

I'll mention that when David Scherer first created VPython in the
spring of 2000, he first tried implementing it in pure Python but had
to give up because the performance was quite poor. However, maybe
there are now better tools and platforms in the Python world, and if
you can get this to work in a pure Python environment that would be
great.

A parallel is that the new GlowScript environment Scherer and I are
developing (glowscript.org), with an API similar to VPython but which
runs in a browser, is implemented in pure JavaScript, which is
feasible because JavaScript is compiled rather than interpreted.

Bruce Sherwood

On Tue, Dec 6, 2011 at 9:59 AM, James Thomas <jt...@mi...> wrote:
> Another data point.  I'm running LMDE (debian testing) 64-bit and I get the
> segfault error with the ATI proprietary driver.  libgtkglextmm-x11-1.2-dev
> was not installed but installing it made no difference.  Playing around with
> site_settings.py made no difference.  Purge-reinstall made no difference.
>
> Seems like this is a perpetual problem I keep running into every time I come
> back to visual after an extended break or on a new system.  Now I'm
> regretting not making good on my intention 2 years ago to re-implement
> vPython in Python (like it should be) two years ago.  I have a library and a
> lot of simulation code that is unusable because I can't get visual to run.
>
> My last hope is to bypass the repositories and hope that a newer version or
> building from sources will fix this.  Otherwise I'm fairly well screwed.
>
> JT
>
>
>
>
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