RE: Laminate profile - Abstract profile?
RE: Laminate profile - Abstract profile?
- Subject: RE: Laminate profile - Abstract profile?
- From: "Robert Rock" <email@hidden>
- Date: Tue, 4 Aug 2009 13:24:59 -0400
Roger,
What we have done, after creating the profiles of targets BEFORE and AFTER
lamination, is as follows:
1) Go through the normal proofing process (no lam involved) using the
profiles that you created WITHOUT lamination, until we get client approval.
Then you take that file, APPLY the LAM profile to the image and then CONVERT
to the LAM Profile. The image now will look wacky (more wacky with matte lam
profile than gloss lam). Then reproof this "wacky" image. THIS is the image
the pressman follows on press. You DON'T show this to the client. It's for
press only. Then when the lamination is applied later, it should look very
similar to client approved proof.
Alternatively you could convert the scan or image from the very beginning to
the LAM profile and adjust color until client approves the proof.
I went through a very similar exchange in 2008 with Terry Wyse from this
group (WyseConsul). I still have those emails if you're interested.
Regards,
Bob Rock
-----Original Message-----
From: colorsync-users-bounces+bobrock=email@hidden
[mailto:colorsync-users-bounces+bobrock=email@hidden] On
Behalf Of Roger
Sent: Tuesday, August 04, 2009 9:53 AM
To: 'Jon Crook'; 'Terence Wyse'; 'ColorSync'
Subject: RE: Laminate profile - Abstract profile?
John,
Wouldn't the "two profiles" method yield acceptable results for those that
don't do as much lamination as you do? I mean, you seem to do a fair bit of
laminated work since you've gone to the trouble of installing a small
laminator on press so that the pressman can compensate, during make ready,
for the effects of the lamination. I was thinking that, perhaps, for those,
like my client, who's not as sophisticated in their approach, could the "two
profiles" method have a remote chance of working, in your view? Since that
must have been, as you describe, the approach you necessarily took at the
beginning of doing laminated jobs?
Roger
> There is no need to convert to an unlaminated profile. You should only
> need
> to convert to the larger of the two which would be the laminated
> profile and
> then let the proofer (ORIS, GMG, ect.) do the conversion down to an
> unlaminated profile.
>
> If you have done the G7 calibration correctly on press and factored in
> the
> lamination to the calibration then there should be no need to do two
> conversions (GRACoL C1 and then "laminated Profile") as this would be
> redundant.
>
> We have a small laminator at press so the pressman can see the effects
> of
> the lamination on the sheet when they are setting up the job. I
> presscheck
> every job and I can tell you that since the "lamination effect" is not
> a
> linear gain, you will need to make adjustments on press in some cases
> to
> compensate for the lamination differences that cant be profiled as well
> as
> ghosting issues and variations in inks, paper, ect. Both proofs go out
> to my
> pressmen and we have had no issues as they have been trained in the
> significants of each proof.
>
> Jonathan Crook
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