Color Management – bits and pieces

Hi there,

I think we covered most of the useful stuff for monitor calibration. This is a great first step. However, there are a couple of things I want to mention at that stage, which I a) forgot to mention earlier b) didn’t really fit anywhere.

Where to get profiles from?

OK we talked a lot about getting a monitor profile, but where to get the AdobeRGB and sRGB profiles from? Well, as a free download from Adobe. Schweeeet! By the way, that’s the Linux version. You have to click OK on license agreement and you get an rpm with 14 profiles, including the two we are interested in.

A few more interesting links / projects / people for CM in Linux

  • LittleCMS (web, wiki) is a library that allows other programs to be color aware. It is used in The Gimp, Cinepaint, Scribus… most OSS color aware applications.
  • Kai-Uwe Behrmann: he is the guru behind Cinepaint Color Management – his site is a goldmine of useful CM stuff (we’ll get back to talking about some of his projects later)
  • There is a wikipedia entry on Linux Color Management
  • There is also some effort to bring color management into X.org – in a way that is standard to Linux. Think “I define one monitor profile” and this profile is picked by the system at start-up (xcalib loads the profile automagically) and all the color aware application use it by default (no need to respecify which profiles to use in each application, which policy to use, and so on). In order to coordinate these efforts, there is a wiki and the openicc mailing list on freedesktop.org . Good to keep an eye on them…

Verbose

Every time I finish an entry in that blog, I am amazed at how long it is. I thought I would just start a little blog to see how these things work and now I end up with a much bigger pile of stuff that I thought.

I have the feeling that photography requires quite a few tweaks in Linux that are not standard out-of-the-box yet. We talked about the 2 obvious programs and monitor calibration. There is more to come: dual screen configuration, RAW workflow, batch picture editing, printing – to mention just a few on top of my head…

So stay tuned🙂

Just a nice little one from my place, Geneva…

geneva_1.jpg

 

7 Responses to Color Management – bits and pieces

  1. Gour says:

    Hi!

    I ‘discovered’ your blog few days ago – bought Spyder2 and now I’m learning…

    However it looks that AdobeRGB files are not any longer available from Adobe’s site😦

    Can one use those for Windoze?

    Sincerely,
    Gour

  2. jcornuz says:

    Hi Gour,

    Yes no problem. The AdobeRGB file is a standard valid on Mac, Linux or Windows. Maybe this page could help: http://www.adobe.com/digitalimag/adobergb.html

    Take care,

    Joel

  3. Gour says:

    Hi Joel,

    thank you for confirming.

    I already downloaded ’em and put ’em into ~/.color/icc, but, strangely enough, CinePaint crashes upon seeing ’em there, but this is the topic for CP ml😉

    Sincerely,
    Gour

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