• Open Menu Close Menu
  • Apple
  • Shopping Bag
  • Apple
  • Mac
  • iPad
  • iPhone
  • Watch
  • TV
  • Music
  • Support
  • Search apple.com
  • Shopping Bag

Lists

Open Menu Close Menu
  • Terms and Conditions
  • Lists hosted on this site
  • Email the Postmaster
  • Tips for posting to public mailing lists
Re: [BULK] - Re: Match CMYK doesn't work.
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [BULK] - Re: Match CMYK doesn't work.


  • Subject: Re: [BULK] - Re: Match CMYK doesn't work.
  • From: Roger Howard <email@hidden>
  • Date: Mon, 14 Feb 2005 12:36:33 -0800


On Feb 14, 2005, at 11:44 AM, Courtney Schwartz wrote:

Yeah, it's as Roger says: some of the file formats you want to use are *inherently* RGB-only. Kind of like GIFs assume indexed color, BMPs and PNGs assume that they will be displayed on a monitor only. JPEGs can do CMYK, but some apps will ignore the color rules, making it effectively useless anyways.

(Plus, if you are doing print, you will probably not want a file format with compression artifacts and dulled blacks/whites. Those defects are a lot less noticeable on screen because the light is more scattered; once printed, they can look pretty bad.)

If you want to be sure that you can use a CMYK profile, you will want to select a format that is traditionally used in print.

TIFF is one of these. PSD, EPS, and PDF are some that can also do CMYK. (Note that I say PDF *can* do this; it won't necessarily be all CMYK if, for instance, you have some images inside it that are RGB. You'll want to check your flattener/export settings for rules on color space conversion.)

As an aside, I would recommend Photoshop for a different reason: to test the results of your script. It has a lot of advanced color handling, so you will, in theory, be able to see if your script is giving you the results you want.


Agreed; while it depends on the users needs whether ColorSyncScripting or Photoshop is better for the automated process, Photoshop is critical for testing. My objection to Photoshop for automating certain processes is simply the high overhead (it's slowwwww) and cost - if the alternatives simply can't do the same job, then of course Photoshop will be necessary; but in many instances ColorSyncScripting works very well, and so I'd usually prefer to use it.


Of course, this ignores some color management issues that need to be considered:

1) Can you really trust an automated RGB to CMYK separation? Many can't, but many don't. It's up to you to test and be sure.
2) Do you need to get the *exact* results Photoshop will? Adobe uses it's own CMM in Photoshop and Apple's ColorSyncScripting can't use that CMM (it uses its own), so results can be different (though it's often quite subtle, if at all).
3) Martin mentioned how do you handle files with unknown color spaces... while this is a problem with ANY app you use (Photoshop won't solve that problem) it's an important question to answer for yourself.


Best,

Roger

_______________________________________________
Do not post admin requests to the list. They will be ignored.
Applescript-users mailing list      (email@hidden)
Help/Unsubscribe/Update your Subscription:
This email sent to email@hidden


  • Follow-Ups:
    • Re: [BULK] - Re: Match CMYK doesn't work.
      • From: Martin Orpen <email@hidden>
References: 
 >Re: Match CMYK doesn't work. (From: Martin Orpen <email@hidden>)
 >Re: Match CMYK doesn't work. (From: Roger Howard <email@hidden>)
 >Re: [BULK] - Re: Match CMYK doesn't work. (From: Christopher MJ Tangora <email@hidden>)
 >Re: [BULK] - Re: Match CMYK doesn't work. (From: Roger Howard <email@hidden>)
 >Re: [BULK] - Re: Match CMYK doesn't work. (From: Courtney Schwartz <email@hidden>)

  • Prev by Date: Re: Slightly OT: InDesign cells/tables
  • Next by Date: RE: Slightly OT: InDesign cells/tables
  • Previous by thread: Re: [BULK] - Re: Match CMYK doesn't work.
  • Next by thread: Re: [BULK] - Re: Match CMYK doesn't work.
  • Index(es):
    • Date
    • Thread