RE: Tricky profile question!!
RE: Tricky profile question!!
- Subject: RE: Tricky profile question!!
- From: "Jon Crook" <email@hidden>
- Date: Wed, 3 Oct 2007 21:19:59 -0500
- Thread-topic: Tricky profile question!!
Hey Louis,
For proofing and conversion is my goal. I have factored in the changes that lamination has on primaries, secondaries, NPD and white point as well as TVI when I implemented G7. The apearence of our laminated sheets closely matches an unlaminated normal G7 press sheet. I did this so that if a client has a collateral piece that they are printing at another G7 printer it will look simular even though there is lamination on our piece.
-----Original Message-----
From: Louis Dery [mailto:email@hidden]
Sent: Wed 10/3/2007 8:58 PM
To: Jon Crook
Cc: ColorSync
Subject: Re: Tricky profile question!!
Hi Jon,
Do you want to use customized G7 profile for proofing and/or for CMYK
conversion?
Lamination does not only change the dot gain appearance but also some
kind of saturation of the primary colors.
So what is your goal? proofing or conversion with such customized
profile?
Louis Dery
Color Management Expert
TGLC inc.
www.tglc.com
On Oct 3, 2007, at 9:46 PM, Jon Crook wrote:
>
> Here is my problem.....
> I need to reverse engineer the gain that occurs from film
> lamination on a press sheet. I want my starting point to be the
> GRACoL 2006 data set and create a new data set that would represent
> a press sheet prior to lamination.
> We laminate 99% of everything that we print so I have implemented
> G7 based on the press sheets being laminated. I can measure the
> press sheet before and after lamination to determine the gain but I
> don't know how to take this amount and subtract this gain from the
> GRACoL 2006 data set.
> The first question that Im going to get is "why do you want to do
> that? Just use your measured press sheets to make your profiles."
> True I could. This would then be press profiles for us and they
> could vary from the GRACoL 2006 data set. I want to use the
> official data set as my "stake in the ground" for the whole shop.
> Can anyone give me some direction to a way to accomplish this?
>
> Jon Crook
> Director of Color Management
> Corporate Image
> 800.247.8194
> www.corp-image.com
>
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