If you want to influence similar parts of the image on different areas, yes, but f.e. not in this case:
On this picture I want to increase the saturation and brightness of orange leaves and green grass individually and only lighten the trees a little bit. Therefore I set control points for the corresponding areas:
in darktable, although I can have several drawn masks in one instance, I don’t know how to process the leaves and grass separately if I have to use separate color channels for the parametric mask to mark both, which is not possible.
Yes, it’s very good if the color differentiation is very clear but, you can’t choose the two different areas with similar colors, you have to repeat the selection each time. I don’t know, maybe this module could be improved a bit
GUI isn’t G’MIC’s strong suit, although it has been improving. I think your question is less of a problem in a raster editor than a raw processor. I have seen your work and know that you are proficient in GIMP.
It seems very likely that they use a guided filter around the coordinates of the point, then sample the color of said point to define at once all the parameters you need to manually input in dt. That is something that could be done in dt too. But, for the correction itself, they use masks the same way Capture One does : define a zone first, then load corrections. dt’s logic is the inverse : define a correction first, then escape areas outside of the masks. That part will not be possible anytime soon in dt.
So, in dt, control point would translate in a vector storing coordinates, radius, hue, saturation, … and feeding this values as settings for a regular parametric mask with feathering. I could try it but… man this becomes a full-time job for real.
I do not know how color look up table module in dt works, but I have used it in a way that resembles the use of conrol points in Viveza video.
Do you have any experience with the color look up table module as control point selector?
An alternative crop that puts the focus more on the sellers and relegates the passers-by to background. I’ve been lazy and used someone elses JPEG attempt…
Especially it can be interesting if you can choose an area in the color picker instead of a point as a reference for parametric mask.
This would be even more superior than Viveza’s control points since you can combine parametric mask with different drawn masks in darktable, which could make selection of a certain area even more precise.
Me too. That is great module. Also the color zones module can be used in a similar way.
Hi @anon41087856 and @s7habo,
some time ago I read that the control point part of the software is under US and/or CAN patent. So this could be a source for finding out, how it works. But it also requires to find a way around this patent, when similar should be implemented in darktable.
Unfortunately I cannot find the page anymore, where I read about it…
DxO bought Nik Collection ( Viveza - Color effecs pro + more ) from Google.
Control point is now a part of DxO Photo Line ( that’s one of the reason I like it so much)
Here’s my version, as edited on my live stream! (Although I used more than just the filmic module for this) You can still see the process for the next two weeks at twitch.tv/chicagocameraslinger
My take. First time using a raw processor by itself. Usually, I use at least two apps and use the raw processor very sparingly. Goes to show how much PhotoFlow has grown. Thanks @Carmelo_DrRaw (and others) for the underlying code. It’s the power of FLOSS and the strength of our community!
1.PhotoFlow → CRW_4221.pfi[1] (26.6 KB) → no post-resize sharpening.
– No long list of processing steps this time!
– Well, it is still quite bare bones processing but filmic is quite powerful.