Re: [Visualpython-users] instructions: VPython for Ubuntu Karmic

[Andrew M. <amo...@de...>]

Ah...okay, that explains it.  I was used to getting a warning
indicating that my card didn't support Pixel Shader.  With my
new-to-me card, I expected that it would support PS 3.0, but it does
not.  Strange that no warning appeared, but I understand it now.

On Mon, Nov 16, 2009 at 12:19 PM, Bruce Sherwood
<Bru...@nc...> wrote:
>
>  From the download page at vpython.org (and also found in the materials
> section of the Visual documentation):
>
> Materials such as wood
>
> Materials such as wood will work with graphics cards that support Pixel
> Shader 3.0 ("PS 3.0"). See
> http://en.wikipedia.org/wiki/Pixel_shader#Hardware. Some materials may
> work with graphics cards that support PS 2.0, but other materials may
> need to be manually disabled; see instructions in the site-settings.py
> module in the Visual package in your site-packages folder. If the
> graphics hardware does not support pixel shaders, the material property
> is ignored. If you think you should be able to use materials but have
> trouble with their display or performance, we highly recommend upgrading
> your video card drivers to the latest version.
>
> Other features new in Visual 5, such as transparency and local lights,
> work with all graphics cards.
>
> Bruce Sherwood
>
> Andrew Morrison wrote:
>>
>> I'm happy that my Vpython module now works, although I am unable to
>> use the textures.  Is there anything in the new boost modules that
>> would prevent the textures from showing up, or is it more likely a
>> problem with my graphics card?   This installation was the first
>> chance I've had to try the textures, so I'm lost on what to look for
>> in terms of configuration.
>>
>> Thanks again!
>>
>> Andrew
>>
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