Re: [Gimp-user] Fw: scan-mirrage-effect-Problem with postcard

[Liam R E Quin <liam holoweb net>]

On Mon, 2021-05-10 at 23:22 -0400, Gene Heskett wrote:
> The moire pattern is without a doubt, from scanning a litho print
> which 
> is microscopic patterns of different size colored dots that mix in
> the 
> eye to make the color. 

Did you look at the image? Although there's evidence of dot screen
atrefacts, that'snot what is being referred to.  In addition, the
stripes change direction on the second scan, suggesting they are not 
coming from the actual postcard.