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Digital BW, The Print

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Re: [Digital BW] Steve: Problems with Create ICC 2.3.1

2005-10-18 by Steve Kale

Yes this is the issue I described earlier..  But this should not interrupt
the working of the app itself - ie getting an ICC profile.  2.3.1 should
work fine for luminance management of the printer.

(Again where 2.3.1 is slightly wrong is in the soft proof direction.
Remember I talked about media relative colorimetry.  Roy, in making the soft
proof direction of the profile media relative, only scaled the luminance
axis and not all three axes.  So the hue is slightly off - you can see this
in looking at areas that should be white.  Load the soft proof and flick it
on and off with Simulate Paper White UNCHECKED.  There should be no hue
shift for a white page but there is.  It's a relatively simple fix and I am
sure Roy will get to it when he can.  Think about this:  if you print a step
wedge on pink paper and create an ICC profile from it, what colour should a
white image be when the soft proof using the ICC profile has Simulate Paper
White unchecked?  It should be monitor white. )


> From: wwodets <odets@...>
> Reply-To: <DigitalBlackandWhiteThePrint@yahoogroups.com>
> Date: Tue, 18 Oct 2005 15:04:43 -0000
> To: <DigitalBlackandWhiteThePrint@yahoogroups.com>
> Subject: [Digital BW] Steve: Problems with Create ICC 2.3.1
> 
> Steve,
> 
> With 2.3.1 the white end was significantly off *on the print.*  The
> Soft Proof looked good.  In his last post on the QTR forum, Roy said:
> 
> "There are a couple subtle problems with the color version of Create
> ICC.  They have to do with scaling/mapping at the media-white end.
> These will take a little time to fix . . . The older version from
> 2.3.0 can be used for the printing direction."
> 
>

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