gamut warning failure
gamut warning failure
- Subject: gamut warning failure
- From: "eugene appert" <email@hidden>
- Date: Fri, 13 Oct 2006 13:55:53 -0400
I am wondering if anyone
understands the mechanics behind gamut warning in Photoshop. Its a given that
the tool is unreliable for displaying out of gamut colours but I am forced to
use it since the students I teach have no alternatives for targeting files for
output. I have been making sample
files of colours ( within the brightness range of the output profile) that
change visibly on the screen while soft proofing with relative and no BPC, which
gamut warning does not show as out of gamut. Inevitably Colorthink shows these
colours as being out of gamut for the given output profile. But I cannot seem to find a logic that
would enable me to predict when gamut warning is likely to fail. It seems
perfectly arbitrary. There doesnt
seem to be any common hue,
brightness or saturation placement that increases the possibly of gamut warning
failure.
Is it possible that this is linked
to profile quality or is it just an inherent flaw in gamut warning?
I have noticed that many of the
out of gamut colours that gamut warning will not show are also colours that are
out of the monitor range and I wondered if there could be a connection.
Thanks for any
input
Eugene
Appert
Montreal, Canada
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