I had often thought that a log scale would be a useful option. David
On 01/29/2018 10:09 PM, Ulrich Pegelow wrote: > Hi, > > are we talking about the highlights or the shadows here? > > From time to time I have experienced problems selecting shadows with > sufficient accuracy. Therefore I contemplated to add a further virtual > channel which would be on a log_L scale. A bit like the same approach > we have in the basecurve module. Not sure if this would be of any help > here. > > Ulrich > > Am 29.01.2018 um 10:44 schrieb ternaryd: >> Hi, >> >> I'm trying to adjust a larger set of images >> which have a rather high dynamic. Trying to >> avoid HDR, I've used the exposure module to >> move EV and black such that there is no more >> over/under exposure, but midtones get very >> dark. The idea was to use a parametric mask, >> protecting the bright parts of the image and >> raise EV of the rest an a second instance. >> >> The problem is that often the range of high >> luminosity is very narrow, sometimes even less >> than 1 unit. As right-click doesn't open the >> normal darktable interface for adjustments, I >> find it extremely difficult to adjust the >> markers of the sliders at this position. >> Sometimes it slips down to zero, overlapping >> both markers. Additionally, for having those >> markers that tight, it is often impossible to >> establish a feathering zone, leading to very >> visible artifacts for instance at the border >> between an out-of-focus roof and the sky. >> >> Is that really that hard or am I doing it >> wrong? Is there another method (besides HDR) to >> adjust such images? >> >> Thanks, >> >> Cris > ____________________________________________________________________________ > > darktable user mailing list > to unsubscribe send a mail to > darktable-user+unsubscr...@lists.darktable.org > ____________________________________________________________________________ darktable user mailing list to unsubscribe send a mail to darktable-user+unsubscr...@lists.darktable.org
