Re: [CinePaint] masks; detail 8 vs. 16+ bits

Rob Lingelbach <[email protected]>
Newsgroups gmane.comp.video.cinepaint.user
Message-ID <[email protected]>
On Mar 13, 2008, at 1:01 AM, Frank Peters wrote:

> On Wed, 12 Mar 2008 22:45:21 +0200
> Rob Lingelbach <[email protected]> wrote:
>
>> I've posted three images to these locations:
>>
>> http://www.colorist.org/images/DSC_1180.tiff
>>    16-bit TIFF OpenEXR Half Float - Rgb - Wide Gamut D65
>>     (saved from Cinepaint, no adjustments)
>>
>> http://www.colorist.org/images/DSC_1180_gimp.jpg
>>     8-bit jpg saved from The Gimp, nothing adjusted.
>>
>> http://www.colorist.org/images/DSC_1180_lightroom.tiff
>>    16 bit (?) file saved from Adobe Lightroom, imported from Nikon
>>     camera same as above files.
>>
>
> In lieu of the RAW file I will say that the gimp version definitely
> shows less fine detail as can be seen especially in the wood grain
> pattern at the lower right.  But that has nothing to do with the
> bit depth.  If you convert the DSC_1180_lightroom.tiff to 8-bit,
> there is no change in details of the wood grain pattern.  The same
> with the DSC_1180.tiff file.  Somehow the gimp image just got softened
> or "messed up."


I wonder why?   Now that the RAW image is up at
http://www.colorist.org/images/DSC_1180.NEF  do you want to see if you  
get different results from The Gimp?   Perhaps I've somehow got a  
funky The Gimp.  thanks for testing with a conversion of the  
lightroom.tiff to 8-bit.  But the question is still to be resolved.


--
Rob Lingelbach
[email protected]  http://www.colorist.org/robhome.html




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