Hi Mikael,
these presets are just a starting point not the not point. When I used
LR I just let the default Adobe Standard be the picture style that started
the editing process. Once I started changing the image with all of LRs
sliders the starting point was no longer relevant as I had modified the
image. That is the reason I never started off selecting camera profile
styles in LR. I only mention LR because I know you have previously used LR.
Some people actually prefer to open up the base curve module in DT and
click on the reset parameters icon. This makes the base curve go to a
straight line or turn off the base curve module which is equivalent. Then
they feel in total control of processing their image. While typing this
email I opened up an image and turned off the base curve module. I then
opened up the RGB curves module and tweaked the image how I felt it needed
the curves to be adjusted. Magic. The image looked so much better than the
base curve default. So while writing this email I have revised what I will
do in future. Why let a base curve preset define the starting point. I have
now tried this RGB curves method on an underexposed dark image and an
overexposed light image. I have rapidly got a good starting point for
processing these images. With the dark image I had to open up the shadows
by brightening and with the light image I had to reduce the shadows to make
them look darker and of course balance the highlights. Seems this will be
my new method.
Of course some users would recommend the excellent and powerful RGB Filmic
to start the processing. I would suggest leaving this module till you are
more comfortable with DT. It is an excellent module but requires patience
to watch the videos and learn how it works.
Hope this helps Mikael.
On Tue, 28 Jul 2020 at 00:26, Patrick Shanahan <[email protected]> wrote:
> * Mikael Ståldal <[email protected]> [07-27-20 10:16]:
> > I have enabled the base curve with preset "sony alpha like" (since I have
> > Sony cameras), and that is better than without.
> >
> > But I have a hard time understanding how to manually edit the base curve
> in
> > a useful way. I can edit it, and I see how the image changes, but it
> feels
> > quite random to me. I don't know what to do to get the result I want.
> >
> > Most of the presets are for specific camera makers, so it's hard to know
> > which one to chose. Does it even make sense to use a preset for another
> > camera than the one taking the photo?
> >
> >
> > On 2020-07-26 00:55, Terry Pinfold wrote:
> > > ·A base curve is applied automatically but if you look in the preset
> > > options you may find another you prefer. You can also create your own
> > > for future use.
>
> you don't say what version dt you employe but a better approach would be
> to enable filmic and follow:
> https://discuss.pixls.us/t/darktable-3-0-for-dummies-in-3-modules/15849
>
> as advised in this thread.
>
>
> about base curve:
> https://www.darktable.org/usermanual/en/modules.html
> 3.4.1.4.Base curve
>
> fwiw, I have filmic enabled.
>
> --
> (paka)Patrick Shanahan Plainfield, Indiana, USA @ptilopteri
> http://en.opensuse.org openSUSE Community Member facebook/ptilopteri
> Photos: http://wahoo.no-ip.org/piwigo paka @ IRCnet freenode
>
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--
Dr Terry Pinfold
Cytometry & Histology Lab Manager
Lecturer in Flow Cytometry
University of Tasmania
17 Liverpool St, Hobart, 7000
Ph 6226 4846 or 0408 699053
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