Re: [Visualpython-users] OpenGL initialization failure

[Jutta Luettmer-S. <ju...@ne...>]

Thank you very much for the message. You are right, there seems to be a 
problem with the driver/settings for my video card. I'll look into that.

Thanks again,
Jutta

-----------------------------------------------------------------
Jutta Luettmer-Strathmann
Department of Physics
University of Akron
Akron, OH 44325-4001
phone: (330) 972 8029
fax:   (330) 972 6918
email: ju...@ph...

On Thu, 5 Jul 2007, Bruce Sherwood wrote:

> I hope someone who is using Fedora will comment, but one thing you might try 
> is to run the OpenGL test routine glxgears, which I think is normally present 
> on Linux. You should see three meshed gears rotating. If not, the problem is 
> probably not with VPython but with OpenGL or X11 or associated environment 
> variables.
>
> Also, you might try "print vector(1,2,3)" after importing visual to see that 
> visual is working okay except for creating an OpenGL window.
>
> Bruce Sherwood
>
> Jutta Luettmer-Strathmann wrote:
>> Good evening,
>> 
>> I tried to install VPython on a linux workstation (Fedora Core 4, python 
>> 2.3.4). After some trouble, the "idle" window opens now and imports from 
>> visual (>>> from visual import *    works fine) however, it has trouble 
>> finding OpenGL. For example,
>> 
>>>>> floor = box(length=4, height=0.5, width=4, color=color.blue)
>> OpenGL initialization failed.
>>    Unable to create OpenGL display widget
>> 
>> At the same time, the error message
>> 
>> Xlib:  extension "GLX" missing on display ":0.0".
>> Gtk-WARNING **: invalid cast from (NULL) pointer to `GtkWidget'
>> 
>> is displayed in the window from which "vpython" was called.
>> 
>> I've tried recompiling vpython (using the suggestion under "morelinux") but 
>> that doesn't seem to help. I'd be grateful for any help.
>> 
>> Jutta
>> 
>> -----------------------------------------------------------------
>> Jutta Luettmer-Strathmann
>> Department of Physics
>> University of Akron
>> Akron, OH 44325-4001
>> phone: (330) 972 8029
>> fax:   (330) 972 6918
>> email: ju...@ph...
>> 
>> 
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