Re: About InDesign's "Save as PDF" color management settings
Re: About InDesign's "Save as PDF" color management settings
- Subject: Re: About InDesign's "Save as PDF" color management settings
- From: Rick Gordon <email@hidden>
- Date: Wed, 28 Jan 2009 00:22:23 -0800
On 1/27/09 at 7:04 PM -0800, Marco Ugolini wrote in a message entitled
"Re: About InDesign's "Save as PDF" color management setting":
>I read that as meaning that if, as a part of producing your PDF, you choose to convert to a chosen destination profile (RGB or CMYK), objects (RGB or CMYK) that have no embedded profile and are "in the same color space" (as what?) will not undergo a conversion, and are instead assigned the chosen destination profile. (Incidentally, I think that this behavior extends to *all* objects in the file, not just CMYK elements, as you seem to think.)
Preserve Numbers (Ignore Linked Profiles) is only an option for CMYK color management. There's no way to choose it as a setting for RGB color management (in Edit > Color Settings...).
>3) All tagged objects are converted to the destination profile, and that much seems clear. But nothing is being said about how untagged RGB objects are processed when the file is converted to CMYK, or untagged CMYK objects when the file is converted to RGB: since any conversion must include a *source* profile as well, what source profile does the application assume for objects that are untagged?
The untagged RGB would be set to the Document RGB color profile, which every document has, either inherited from the application RGB color profile at the time of document creation, or overridden by the user to any other color profile.
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RICK GORDON
EMERALD VALLEY GRAPHICS AND CONSULTING
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WWW: http://www.shelterpub.com
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