hi,
On Tue, Jan 6, 2015 at 8:42 PM, Mueen Nawaz <[email protected]> wrote:
> Hi,
>
> Has anyone considered adding luminosity masks
oh i'm glad you asked.. there might be a blog post coming up exactly about
that (translating this word into what it's called in darktable, and we've
had this feature for quite some time now. it's called parametric blending).
-jo
> to Darktable? For details of
> what I mean, see this tutorial for Gimp:
>
>
> http://blog.patdavid.net/2013/11/getting-around-in-gimp-luminosity-masks.html
>
> I played with it briefly in Gimp and it's quite impressive. In a sense
> these
> masks are very "self-feathering" and halos are quite rare. Also, the
> effects
> on the image are not very sensitive to the modifications (e.g. one often
> has
> to modify the curve dramatically on the mid tones before the image looks
> unnatural).
>
> Just as we have parametric and drawn mask, I think it'd be great if we
> could
> add the option to simply select any of the 7 masks he has (LLL, LL, L, M,
> D,
> DD, DDD). One can then combine with parametric or drawn to refine further.
>
> I know we can select, say, midtones using parametric masks, but I believe
> the "gradient" from selected to unselected is linear in Darktable, and can
> still easily lead to awkward looking effects. I think these masks allow for
> much smoother modifications to the image.
>
> Thanks,
>
> Mueen
>
>
>
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