...and possibly the "unbreak [something or another]" module to adjust
gamma/lightness, no?
Coincidentally, after this thread really arose my interest, I figured that
quite a few of these
profiles are readily available on the Internet. I downloaded one for my Canon
7D and tried it compared to the enhanced matrix that DT offers. The difference
between both is only noticeable in the reds with the downloaded profile turning
the reds down a bit. A bit!
But, to start with, I can not complain about the base curve throwing off the
reds badly, my skin tones look proper -- no matter whether I use the enhanced
matrix or the downloaded profile. For me, removing the lowest point in the
curve throws the left end up and therefore washes out the darkest parts badly.
All this with proper output color profile applied, that is. If I mess with
that, the reds get very badly blown up, yes.
So, I doubt that there's a bug in DT unless it just creeped in in one of the
recent github versions.
--
Composed on my tablet. Apologies for typos.
On 19 Jul 2013, at 19:35, "johannes hanika" <[email protected]
<mailto:[email protected]> > wrote:
.. and then place the profile in ~/.config/darktable/color/in/ and select it in
the 'input color profile' module to use it.
j.
On Thu, Jul 18, 2013 at 8:59 PM, Torsten Bronger <[email protected]
<mailto:[email protected]> > wrote:
Hallöchen!
Torsten Bronger writes:
> [...]
>
> 2. You take a picture of it with your best lens in direct sunlight,
> but let it use only half of the viewframe width. Avoid glare.
> Take an exposure series, and select the raw for which the white
> patch (GS0) has an L value closest to 90 with the colour picker
> of Darktable. (Mind to set the display profile to "linear RGB"
> before using the colour picker.)
Oh yes, and switch of basecurve for this, and set input profile also
to "linear RGB".
Tschö,
Torsten.
--
Torsten Bronger Jabber ID: [email protected]
<mailto:[email protected]>
or http://bronger-jmp.appspot.com
<http://bronger-jmp.appspot.com>
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