On 11/09/14 08:13, Moritz Augsburger wrote: > I have a strange effect with some of my images (luckily not all of > them), they are unedited and using camera white balance, but in DT they > look just ugly. > > Geeqie, Canon dppviewer and digikam work just fine with them.
There's something weird going on with the white balance. I'd venture to say that the camera got it wrong, in fact. I shoot Canon as well (60D and 5d3) and I mostly try to select my white balance manually when shooting in shade in particular. I find Canon's AWB in shade just completely wrong. Most of the rest of the time it's not bad, but I often use the cloudy setting as well. I opened the raw in darktable and found three white balances that look acceptable to me: * shade * cloudy * spot white balance with the selection area on the dog (as it's black, right?) As for what white balance is "correct" well, that's a matter of opinion, unless you happened to shoot a grey card in that light. ;) As an interesting exercise, try selecting the whole image for spot white balance. You'll see that purple cast, even stronger than the one the camera chose. This is the inherent problem with the camera trying to guess the white balance by looking at things that aren't grey. It's simply not possible to do this accurately all of the time, because the camera can't know the true colour of the things in the scene. The reason that geeqie (and possibly dppviewer and digikam) look better is that they're most likely showing you the embedded JPG preview, which has gone through all the proprietary in-camera processing and LUTs and stuff which I'd say is compensating slightly for this effect. Regards, Rob ------------------------------------------------------------------------------ Want excitement? Manually upgrade your production database. When you want reliability, choose Perforce Perforce version control. Predictably reliable. http://pubads.g.doubleclick.net/gampad/clk?id=157508191&iu=/4140/ostg.clktrk _______________________________________________ Darktable-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/darktable-users
