[Scribus] Neutral Gray Separation of Imgs

PLinnell mrdocs
Mon Nov 21 00:02:48 CET 2005

On Sunday 20 November 2005 23:42, joerg.pr at olivfabric.de wrote:
> J?rg Preisend?rfer | http://www.olivfabric.de
> Hi,
> I searched the Scribus Docs and Wiki for discussion of the
> following issue and also attempted to search the mailing list
> archives at
> http://nsj.srem.pl/cgi-bin/search.cgi but this link appears to be
> dead. So, if my question was answered here earlier pls. bear with
> me.
> The issue / question is related to
> - Scribus 1.2.3
> - Little CMS
> - GhostScript 7.07
> - Fedora Core 3
> I want to select separation of neutral grayscale images to either K
> or CMY or CMYK channels via a given profile like ISO Coated 2004.
> I set up a test document with a grayscale TIFF and PNG image and
> the EPS-file version of the FOGRA 27M gray control wedge (see
> http://www.eci.org).
> When I use the print preview and toggle the CMYK checkboxes, the
> grayscale images appear separated to the K-channel only, with no
> ink in the CMY-channels. The parts of the gray control wedge are
> properly separated to the respective channels. However, when I
> print to file, using the "color if available" option and an ISO
> Coated 2004 output profile, the grayscale images are build with
> full CMYK ink.
> I systematically played with the color profiles and UCR and other
> dialogue options but didn't succeed.
> Do I need certain color profiles? Is there a switch on the backside
> of my keyboard that I am missing?
> This feature is so frequently needed that I'm almost sure there's a
> red button sitting on the Scribus GUI somewere right in front of my
> eyes, but I just don't see it.
> Your hints are greatly appreciated (as is your work on Scribus
> anyway)
> ( J?rg )

In short, for this kind of separation you need 1.3.1+, preferably 
1.3.2cvs. The CMYK color controls, icc color management and greyscale  
handling are vastly better already than 1.2.x



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