Evidence that auto levels loses details -- take a photograph (or a scanned engraving, or whatever) and open Levels, and press autl. Note that the little triangles marking the end-points are not under the ends of the black part - in other words there are multiple pixel values that are used in the image that end up having the same value after "levels". I'll attach a screenshot that shows the triangle isn't at the end of all the values, but some way in. This behaviour is good in some cases and not others.
Liam -- Liam Quin - XML Activity Lead, W3C, http://www.w3.org/People/Quin/ Pictures from old books: http://fromoldbooks.org/ Ankh: irc.sorcery.net irc.gnome.org www.advogato.org
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