On Fri, 2007-05-25 at 23:47 -0400, Doug Schepers wrote:

Photorealism (or something akin to it) seems to be one use case.

More generally, approximating arbitrary functions from 2d points to points in the rgba space, whether they're photos or some sort of scientific plot (c.f. Dr. Hoffmann's use case).

Bulia, your example seemed to have more in common with filters than it did a gradient/affine transformation,

Hmm, how so?

-mental