New mssage from Paco is below :
---------- Message transmis ----------
Subject: Re: [Digikam-users] problems with ICC profiles
Date: Vendredi 19 Mai 2006 11:07 PM
From: "F.J.Cruz" <
[hidden email]>
To: Gilles Caulier <
[hidden email]>
El Viernes, 19 de Mayo de 2006 14:06, escribió:
> On Friday 19 May 2006 01:37 pm, Gerhard Kulzer wrote:
> > On Friday 19 May 2006 13:16, Daniel Bauer wrote:
> > > Am Freitag, 19. Mai 2006 12:40 schrieb Gilles Caulier:
> > > > Daniel, put me some RAW files somewhere to download, i will trying to
> > > > perform tests...
> > >
> > > Thank you very much!
> > > I'll send the URL in a PM (you can share the picture with other
> > > developpers, but not puplic... :-)
> > >
> > > > Also, witch LCms library version you use in your system ?
> > > >
> > > > Gilles
> > >
> > > liblcms 1.14-4 i586 Suse 10.0 rpm
> > > locate says:
> > > /usr/lib/liblcms.la
> > > /usr/lib/liblcms.so
> > > /usr/lib/liblcms.so.1
> > > /usr/lib/liblcms.so.1.0.14
> >
> > Gilles, I have the same problems as Daniel (using liblcms 1.0.15 and
> > EOS-350D). I have the dark pictures since ever I use svn 0.9 version. I
> > thought up to now that this was still in development, but now I agree we
> > should solve the problem (Canon DSLR is very popular). Maybe it is a
> > Canon specific problem. But why does ufraw not have it?
> > The result of digiKam is exactly the same as if I apply dcraw on the
> > command line without color management.
>
> Gerhard, you said that you can use these profile under ufraw...
>
> To have tested the Canon Icc profiles on my computer, nothing work properly
> in digiKam _AND_ ufraw (0.5 here) !
>
> If i set a Canon profile in digiKam setup, and I display the colors gamut
> graph, there is no CIE 1931 chromaticity diagram available (no white
> triangle in fact). This is why we have a black image in digiKam image
> editor. Look in wikipedia for more info about Gamut :
>
>
http://en.wikipedia.org/wiki/Gamut>
> I don't know what is wrong exactly with this profile, but we cannot used
> these files properly under linux. Paco, if you have some explainations,
> please let's me here (:=)))
We have to remember that there are some manufacturers that don't carry out
with the standard from the ICC. Perhaps we can know something else about this
profile with some of the lprof tools (
http://lprof.sourceforge.net/).
Paco
> BUT, with your Canon camera, you can use the linear profile available here
> (public domain!) :
>
>
http://www.lysator.liu.se/~ture/eos10d/>
> It work fine under linux (digikam & ufraw) !!! I have tested this one with
> Daniel image (very nice (:=)))...
>
> Gilles
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