RE: U.S. Sheetfed vs. U.S. SWOP
RE: U.S. Sheetfed vs. U.S. SWOP
- Subject: RE: U.S. Sheetfed vs. U.S. SWOP
- From: "Mike Eddington" <email@hidden>
- Date: Wed, 2 May 2007 08:21:47 -0400
- Thread-topic: U.S. Sheetfed vs. U.S. SWOP
>>Thought I goofed so I looked at the profiles again and confirmed that
I
>>was looking at US Sheetfed Coated rather than the UnCoated. Yes, the
>>profile appears smaller in gamut volume than US SWOP in the ColorSync
>>utility using the Yuv view. Any suggestions on how to empirically
evaluate
>>the gamut of a profile when comparing to another profile?
I was using ColorThink Pro, and also Monaco Gamut Works which both show
the US sheetfed Coated profile as larger than the US SWOP profile...but
yeah, I can confirm what you're saying. The Colorsync utility shows it
as a smaller gamut. After viewing some other profiles of mine, I must
say I'm clueless as to what's going on with how the colorsync utility
displays gamut volume as there's some very strange plots compared to
what ColorThink and GamutWorks come up with. In short, I don't trust
it.
Can anyone offer any insight the differences between the Colorsync
Utility's gamut plots compared with say ColorThink Pro?
>>Good information on the source for the profile.
I mentioned in the last post new characterization data and profiles
available from SWOP...specifically the new profiles are created from the
SWOP2006_Coated3.txt, SWOP2006_Coated5.txt and GRACoL2006_Coated1.txt
datasets. Both profiles and data sets are available at either
www.swop.org or www.gracol.org. These aren't available in any version of
Photoshop, so if you want the latest SWOP/Gracol profiles, you gotta go
get 'em.
Michael Eddington
North American Color, Inc.
www.nac-mi.com
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