Re: [darktable-user] color conversion issue

2016-06-28 Thread I. Ivanov
Hi Tobias, I will try without lcms. Are there known pros and cons for and against it? I use custom display profile (because I calibrated the screen) but that is all. Can it influence the rendering? This profile is only enabled for the screen - never selected in output or input profile area. i

Re: [darktable-user] color conversion issue

2016-06-28 Thread Tobias Ellinghaus
On Monday 27 June 2016 15:48:48 I. Ivanov wrote: [...] > In addition - if we are to change the gamut clipping in the input module > to sRGB - it should always confine the colors in this space. That setting only clips the gamut in that very place of the pipe. Subsequent modules can and will happ

Re: [darktable-user] color conversion issue

2016-06-27 Thread I. Ivanov
Hi Guys, Don't want to be a bother but what I am observing doesn't make sense to me... It looks like velvia specifically increases the chance of artifacts significantly. In particular shooting I had as much as 50% artifacts in various colors - blue, green, yellow, red. As per the manual - htt

Re: [darktable-user] color conversion issue

2016-06-22 Thread I. Ivanov
Hi Rob, What I am finding is that if the target is SRGB (small) then - bigger space for clipping as Rec2020 and Adobe RGB do not help. Having the gamut clipping to SRGB does help. However (and the help does point to it) color dynamics are affected. In particular - images that do not exhibit b

Re: [darktable-user] color conversion issue

2016-06-21 Thread I. Ivanov
Thank you Rob, I tried Rec2020 RGB - it did not help. Tried export to Adobe RGB - it "did" help. Then I tried setting the gamut clipping to "SRGB" - this also "did" help. I can use a temp style on export to avoid clipping. Regards, B On 16-06-14 06:15 PM, Robert William Hutton wrote: Try t

[darktable-user] color conversion issue

2016-06-20 Thread I. Ivanov
Hi Guys, I posted a few days ago issues with color export when using little CSM2. Do you think I should report it as a bug or it is not worth it? Regards, B darktable user mailing list to unsubscribe send a mail to dark

Re: [darktable-user] color conversion issue

2016-06-14 Thread Robert William Hutton
Try this: In the input color profile module, in the gamut clipping dropdown list, select linear Rec2020 RGB. See: https://www.darktable.org/usermanual/ch03s04s03.html.php#input_color_profile Regards, Rob On 14/06/16 15:42, I. Ivanov wrote: Hi, Not sure if this is the proper channel. I am