Re: Printer profile mis-shape?
Re: Printer profile mis-shape?
- Subject: Re: Printer profile mis-shape?
- From: Marco Ugolini <email@hidden>
- Date: Sun, 27 Aug 2006 23:32:20 -0700
In a message dated 8/27/06 10:42 PM, Karsten Schwarze wrote:
>> So, if one wishes to pre-linearize, say, the TC9.18 RGB i1 target, that is
>> still something that can't be done, or is it?
>
> No, I guess not.
Yes, too bad that there is that limitation in ColorPort. (It may have made
sense when Gretag and XRite were competing, but shouldn't that be gone by
now?)
I made this test: I prelinearized the XRite 343 patch target via the 40-step
linearization, saved it as a TIFF, printed it in Photoshop, measured it in
ColorPort, and then made the profile in ProfileMaker using ColorPort's
measurement data (which are spectral, by the way -- 400 to 700nm in 10-nm
steps, with no OB compensation feature).
I must say that the printed results are superior to those obtained using
ProfileMaker's un-pre-linearized TC2.83 RGB target (360 patches). To be
fair, the differences are *not* drastic, but they are visible without too
much effort: better neutrality overall, and some colors look cleaner (less
contaminated) and more vivid, without losing detail.
I will try XRite's 729- and 1728-patch targets next to see how those perform
with and without pre-linearization applied to them.
So...when will ProfileMaker start allowing pre-linearization?
--------------
Marco Ugolini
Mill Valley, CA
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