Why not just draw a mask, feather it and use brightness and contrast? Then use requisite color tools if the color isn't a match.
On Sat, Apr 20, 2019 at 11:32 AM ternaryd <[email protected]> wrote: > On Sat, 20 Apr 2019 11:08:24 -0400 > Patrick Shanahan <[email protected]> wrote: > > > * ternaryd <[email protected]> [04-20-19 03:37]: > > >> Hi, > >> > >> I've got a sequence of images with an > >> overexposed, white background. However, > >> there are some areas, particularly in the > >> corners, where overexposure wasn't strong > >> enough, so I'd like to draw some polygons > >> with a wide feathering area and fill that > >> with some color, in this case white. > >> > >> An attempt to use the exposure module with a > >> drawn mask, increasing the exposure didn't > >> work, because I would have to add so much > >> light, that the feathering area becomes > >> solid. So obviously, I picked the wrong > >> tool. > >> > >> Is there a way to do this in darktable? > > > > you might try the vignetting module. > > This comes closer than expected, as I wasn't > aware of the fact, that I can choose a positive > falloff, and even a rectangular shape. But > unfortunately, perspective forces me to require > a skewed rectangle too, and some other > irregular shapes. > > Also, the next question would have been, if it > is possible to cut out a piece of somewhere > (e.g., the texture of a floor) and copy it to a > different place, like sort of a large area > cloning with irregular shapes and feathering. > > Judging your other posts, it seem, there is > actually no way to do this with darktable. And > that's a pitty. > > Thanks anyway > > ____________________________________________________________________________ > darktable user mailing list > to unsubscribe send a mail to > [email protected] > > ____________________________________________________________________________ darktable user mailing list to unsubscribe send a mail to [email protected]
