Try: youtube.com/watch?v=SKknBy5lX7I and youtube.com/watch?v=xWF6Wk-JPb0 On Thu, Sep 7, 2017 at 2:05 PM, Remco Viëtor <remco.vie...@wanadoo.fr> wrote:
> On jeudi 7 septembre 2017 19:25:18 CEST darkta...@911networks.com wrote: > > Hi, > > > > DT 2.2.5. > > > > I'm looking to open some shadows. > > > > There's the fill module and the tone curve, but I'd like more > > control, I only want to open only some shadows, like faces. > > > > Any good parametric tutorial? > > > > I've been messing around with parametric control, but the keyword > > here is "messing"... > > > > Ideally, I envision selecting a shadow and setting the exposure for that > > shadow darkness with a blend mode of screen and having multiple exposure > > entries for different shadows with some masking. > > Not sure parametric masking would do what you want, like opening shadows > just > in faces. While a parametric mask could help there, you'll need to combine > it > with a drawn mask, with is a whole separate problem. > > The reason is that parametric masks select according to the value for one > channel (which channels are available depends on the module, some are > based on > Lab, others on RBG). And that rarely corresponds to a specific zone in your > image (even something apparently simple as selection a cloudy sky can have > some complications if there's e.g. a reflection in a lake). > Of course, you can try to combine several channels, but there is no > guarantee > that there is a combination that selects only the zone you want. > > So far, I have to limit myself to one channel in the parametric mask, and > perhaps a simple drawn mask, combining those two in exactly the way you > want > is probably very logical, but not intuitive. > > And I haven't found a good tutorial explaining how to attack this kind of > situations. > > Remco > > ____________________________________________________________ > ________________ > darktable user mailing list > to unsubscribe send a mail to darktable-user+unsubscribe@ > lists.darktable.org > > ____________________________________________________________________________ darktable user mailing list to unsubscribe send a mail to darktable-user+unsubscr...@lists.darktable.org
