Absolute vs. Relative rendering intent while proofing
Absolute vs. Relative rendering intent while proofing
- Subject: Absolute vs. Relative rendering intent while proofing
- From: Steve Obermiller <email@hidden>
- Date: Thu, 20 Apr 2006 13:32:35 -0500
I've recently run into a roadblock regarding absolute rendering when
proofing. We are currently proofing with absolute rendering intent using
US Web Coated SWOP with an edited white point to simulate our house stock.
We have consistently gotten our best results yet in matching the press
sheets. But we have gotten burned lately on one issue. Customers often
send in files with 1-3% trash in the background around their images
(either from JPEGing or just carelessness/ignorance of clipping paths,
etc. With absolute rendering these highlights are getting blended into the
paper simulation and are not being seen on the proof and caught until it
hits the press where they stop the job down. Testing shows that relative
intent while proofing shows the 1-3% dot very well, but absolute rendering
gives us the best overall results in color across the board. I've run
these tests on both an HP5000 and an Epson 9800 through EFI Colorproof XF
with the same results.
We're getting burned but management says (rightly so) that if the customer
can't see it on the proof and aren't aware of the problem then we eat the
subsequent problems at press time.
They want us to be able to show this as a problem at the proofing stage
while getting the best color results (absolute rendering). I'm stuck in a
Catch 22.
I've tried manipulating the profiles in to increase saturation in the
highlights, but I'm a novice at this and profile manipulation scares me
anyway, and my results have been unacceptable.
Is there anything I can do to get these highlights to show up clearly with
absolute rendering so I can achieve both goals?
Thanks.
Steve Obermiller
Branch Smith Printing
Fort Worth, Texas
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