On Wednesday, January 21, 2015 23:54 Markus Jung wrote: > > I am assuming that switching from 'automatic' to 'manual' on the tone > > curve is changing the process from RGB to Lab ... a significant diference > > can be seen when doing this. > > > > My normal expectation with tone-curve processing with other systems was > > that it only adjusted the luminescence. > > http://www.darktable.org/usermanual/ch03s04s02.html.php > > Well, your assumption is wrong. tone curve works in Lab all the time. > And in manual mode, it will do exactly what you expect. > If "scale chroma" is enabled, it will increase the color contrast as > well, to match your visual experience closer. This sometimes fails for > me, especially for red tones, but there is a blend mode to reduce the > strength of the effect. > > Regards, > Markus
Interesting ... yes the effect is seen very much in the reds but ... "scale chrome" appears to be always enabled, how do I change that? David > > ---------------------------------------------------------------------------- > -- New Year. New Location. New Benefits. New Data Center in Ashburn, VA. > GigeNET is offering a free month of service with a new server in Ashburn. > Choose from 2 high performing configs, both with 100TB of bandwidth. Higher > redundancy.Lower latency.Increased capacity.Completely compliant. > http://p.sf.net/sfu/gigenet > _______________________________________________ > Darktable-users mailing list > Darktable-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/darktable-users ------------------------------------------------------------------------------ New Year. New Location. New Benefits. New Data Center in Ashburn, VA. GigeNET is offering a free month of service with a new server in Ashburn. Choose from 2 high performing configs, both with 100TB of bandwidth. Higher redundancy.Lower latency.Increased capacity.Completely compliant. http://p.sf.net/sfu/gigenet _______________________________________________ Darktable-users mailing list Darktable-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/darktable-users