Scanning artifact question withdrawn.

From: D. R. Fowler (rees@GWI.NET)
Date: Thu May 18 2000 - 04:43:23 CDT

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Message-Id: <200005180959.CAA17862@dns.ccit.arizona.edu>
Date:         Thu, 18 May 2000 05:43:23 -0400
From: "D. R. Fowler" <mailto:rees@GWI.NET>
Subject:      Scanning artifact question withdrawn.
To: mailto:IMAGELIB@LISTSERV.ARIZONA.EDU

<pre>
>Some scans of engravings seems to have a diffraction grating-like effect. Note
the reddish and greenish colored areas on the buildings in the image ...

I withdraw the question. Figured it out in a primitive way. The images are monochromatic - brown, so the red and green are "precipitating out" when image is resized or compressed.

Thank you. D. Fowler

</pre>

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