Hello Johannes,
please do, an in depth tutorial would be nice. I'm struggling with the
default presentation of my D610 images and thinkig about investing in a
color chart by Wolf Faust.
BR
Matej
Am 23.10.2017 um 10:20 schrieb johannes hanika:
heya,
this 60D case is really unfortunate. the way we handled defaults in
the past isn't very good.. in a sense that if we now replaced the
apparently broken 60D "enhanced matrix" it'll break history stacks for
all old images.
we should probably store at least a 3x3 matrix in the parameters of
the input profile module such that it doesn't depend on an external
icc file. now if you select an external profile, you'd have to move
the icc file around with your library to be able to reproduce the same
results.
the darktable-chart workflow is somewhat better, because it does store
all required information in the history stack (and it's editable and a
more expressive mapping/lut). so if you are going to create a profile
for a chart.. i'd recommend you do it with darktable-chart as a
preset/style for the colour lut module. i think i should prepare an
extended tutorial how to do this.
cheers,
jo
On Mon, Oct 23, 2017 at 8:10 PM, Thomas Werzmirzowsky <[email protected]> wrote:
Gesendet: Montag, 23. Oktober 2017 um 07:47 Uhr
Von: "Robert William Hutton" <[email protected]>
An: [email protected]
Betreff: Re: [darktable-user] Exported JPG vs. Camera JPG
On 22/10/17 20:27, Thomas Werzmirzowsky wrote:
I shot a portrait with my Canon EOS 60D and noticed that the JPG from
the Canon in portrait image mode looks significantly better than the one
exported from Darktable. Especially the blue color looks much more
natural in the camera JPG.
I have a 60D and a 5d mark iii. I can vouch for the fact that the "enhanced colour
matrix" that is
the default does a poor job with the 60D raws (generally much better with the
5d3 raws), mostly with
the blues.
Yes that's what I noticed too. If I switch to "standard colour matrix" the
results are much better.
I found creating my own matrix from a Wolf Faust target worked really well,
Tim Rolph also mentioned the Wolf Faust target but I have to admit that looking at the
website I don't know what to order. What "Order #" would be the right one?
but ultimately decided that having the additional dependency of having that
profile present if I wanted
to re-edit the images at a later date wasn't worth it, and I do much as you do:
use the standard
profile. Sometimes also setting the gamut clipping to linear rec2020 is a good
option as well.
I don't really get that. Don't you have to create the profile just once and
then it's done? As the color mapping should contain all colours it shouldn't
change from photo shot to phot phot, should it? Or would it be needed to create
a new matrix for every photo shot just like doing a gray card shot for the
white balance?
I can probably dig up the 60D profile if you'd like to try it.
It would be great if you could lookup the profile. I'd like to give it a try.
Regards,
Rob
Thanks a lot. Also @Tim Rolph.
Best regards
Thomas
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