[PD] output grayscale value of pixels in a video

[Chuckk Hubbard]

On 2/12/07, Claude Heiland-Allen <claudiusmaximus at goto10.org> wrote:
> pablo das neves bicho wrote:
> > Hi list,
> > I'd like to know if there is an object or an abstration to output the
> > grayscale values of each pixel of a low resolution video, in order to
> > use those value to control the behaviour of 3d objects. Should i use
> > gridflow ? Any ideas/hints would be welcome.
> > cheers
> > pablo
>
> The extraction is easy with GridFlow (for example, [#export_list]), and
> the 3D could be done with Gem.

Hi.  I'm not having any luck finding GridFlow, or any documentation.
I found a few dead links... anyone have a live one?

-Chuckk