Hello happy CMYK warriors, This is valuable input you're giving actually How about collecting these use cases for prepress in the wiki here http://wiki.gimp.org/gimp/ ?
(like the UI team did with brainstorm here : http://gimp-brainstorm.blogspot.com/ ) You could put it using these kind of chapters : https://wiki.ubuntu.com/UbuntuWithoutRestricted This way, we could specify the GIMP a bit better and coordinate dev efforts ;) enjoy this day ! vincent On Wed, Mar 25, 2009 at 16:21, Alexandre Prokoudine < [email protected]> wrote: > On Mon, Mar 23, 2009 at 11:17 PM, Sven Neumann wrote: > > Hi, > > > > On Mon, 2009-03-23 at 21:02 +0100, Martin Nordholts wrote: > > > >> Yes, processing shall as long as possible be done in RGB, but at some > >> point you need to convert to the CMYK color space and a high-end photo > >> app should support editing also in this color space. > > > > Why? Because you say so? All high-end photo editing applications are > > pushing for an RGB only work-flow these days. There is no need to do any > > editing in CMYK. If you really want to insist that being able to edit > > CMYK is needed and that developer resources should be spent on it, then > > you should at least give a compelling reason. > > There was a somewhat heated discussion of this thread at > linuxgraphics.ru forum and here are several examples from people who > deal with prepress work on daily basis: > > 1. Client brings an image for poster in CMYK which needs color > correction. Urgent work, not time to ask him to redo it. Double color > space conversion is out of question. So he had to use Photoshop from > VMWare. > > 2. You have a newspaper where first page should have a two-color > photo: black (C=0%M=0%Y=0%K<=100%) and blue (C<=100%M=0%Y=0%K=0%). > separate+ however separates black to 4 channels. > > 3. Some print houses set limit to overall sum of colors, for example > 180%. So if you take Cyan 100% + Magenta 100% (already 200%) + a > little of K and Y this will result in unnatural colors in a newspaper. > > 4. Live density control for each CMYK channel is a must (Scribus/SVN > has that in preview dialog). > > To me it's somewhat strange that GIMP's product vision doesn't mention > prepress needs explicitly. > > Alexandre > _______________________________________________ > Gimp-developer mailing list > [email protected] > https://lists.XCF.Berkeley.EDU/mailman/listinfo/gimp-developer >
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