[jitter] Re: shift register

Yep.  It does that once per iteration.
One nice thing about jit.convolve is that it doesn't waste any resources 
on pixels set to 0. in its kernel matrix.  So it can sometimes be a 
little cheaper than doing srcdim/dstdim trickery.

This patch makes for a good scrolling slitscan, etc.

Andrew B.

Robert Ramirez wrote:
> yeah, that's a beauty.
>
> so, just for my own clarification, when the matrix is sent through jit.convolve, it's making each pixel be the exact value of the pixel immediately to it's left?
>
> thanks for the image processing lesson andrew.
>
> -rob
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