[visionegg] Re: WARNINGs in the log file
- From: Andrew Straw <andrew.straw@xxxxxxxxxxxxxxx>
- To: visionegg@xxxxxxxxxxxxx
- Date: Thu, 28 Nov 2002 22:20:42 +1030
On Thursday, November 28, 2002, at 09:03 AM, Andrew Straw wrote:
> A solution which I will implement in the Vision Egg is a "pseudo-blit"
> whereby any image or numeric array in system RAM can be copied into an
> (already resident) texture. In your case, only one texture would need
> to be resident on the video card at a time, thus greatly reducing the
> video memory requirements. Also, this ability is very useful in a
> number of other situations. I'll make an announcement on the mailing
> list when that code is incorporated.
The basic (unpolished) code is now incorporated! (My previous efforts
had gotten 99% of the job done.) I've made two new demos called
image_sequence.py and visual_jitter.py which demonstrate the new
functionality.
I really like the visual_jitter.py demo -- it's inspired by the
motion-derived retinal slip signal work by I. Murakami & P. Cavanagh.
(Thanks to Rob Harris for prodding me into this!)
The code is in the CVS repository at SourceForge. It will be part of
the 0.9.4 release but for now you can access it by clicking on the
"visionegg project - SourceForge pages" link, and then clicking the CVS
link. The put_sub_image code is still a little rough around the edges
-- it will probably break or do funny things unless all your images are
the same size.
Cheers!
Andrew
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