>> Even if you start with an 8 bit image, it's best to make it 16 bit
>> before making any adjustments--that way, you're not clamping values at
>> each step. The original point was, there's no way to do this in Gimp.
>
> There is software that does do it on linux now.  I would expect gimp to have 
> it soon.
>
        As an avid Linux user, I can say that Gimp blows chunks. 
Completely useless for any serious photographic editing.  No color more 
than 8 bits, and no color management.

        I recently bought an old DTP-92 which works with Argyll color 
management under linux.  Hopefully I'll be able to run a full calibrated 
workflow now with Cinepaint, lprof, and Argyll.  Since I don't do any more 
editing than RAW conversion with WB, levels, and curves, Cinepaint should 
be adequate.

        Linux is *very* immature WRT color management (and thus by 
definition realy photo editing).

-Cory

  --

*************************************************************************
* Cory Papenfuss, Ph.D., PPSEL-IA                                       *
* Electrical Engineering                                                *
* Virginia Polytechnic Institute and State University                   *
*************************************************************************


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