* Mikael Ståldal <[email protected]> [07-29-20 10:38]: > There are multiple curves modules in Darktable: Base Curve, Tone Curve, RGB > Curve. What's the difference between them? > > > On 2020-07-27 23:57, Terry Pinfold wrote: > > Hi Mikael, > > these presets are just a starting point not the not point. When I > > used LR I just let the default Adobe Standard be the picture style that > > started the editing process. Once I started changing the image with all > > of LRs sliders the starting point was no longer relevant as I had > > modified the image. That is the reason I never started off selecting > > camera profile styles in LR. I only mention LR because I know you have > > previously used LR. > > > > Some people actually prefer to open up the base curve module in DT and > > click on the reset parameters icon. This makes the base curve go to a > > straight line or turn off the base curve module which is equivalent. > > Then they feel in total control of processing their image. While typing > > this email I opened up an image and turned off the base curve module. I > > then opened up the RGB curves module and tweaked the image how I felt it > > needed the curves to be adjusted. Magic. The image looked so much better > > than the base curve default. So while writing this email I have revised > > what I will do in future. Why let a base curve preset define the > > starting point. I have now tried this RGB curves method on an > > underexposed dark image and an overexposed light image. I have rapidly > > got a good starting point for processing these images. With the dark > > image I had to open up the shadows by brightening and with the light > > image I had to reduce the shadows to make them look darker and of course > > balance the highlights. Seems this will be my new method.
duplicate an image and apply the different curve modules and see what results you get, or view one of the fine youtube video explanations of their actions. -- (paka)Patrick Shanahan Plainfield, Indiana, USA @ptilopteri http://en.opensuse.org openSUSE Community Member facebook/ptilopteri Photos: http://wahoo.no-ip.org/piwigo paka @ IRCnet freenode ____________________________________________________________________________ darktable user mailing list to unsubscribe send a mail to [email protected]
