Hallöchen! Ulrich Pegelow writes:
> Am 17.06.2013 01:07, schrieb Torsten Bronger: > >> If I import an sRGB JPEG into DT, unfold the output profile >> module, and press "g", I see a significant gamut warning in the >> shadow regions. Why is this? I mean sRGB is sRGB. Is there >> some implicit colour shift that causes this? > > these warnings are generated by lcms2 without any active influence > of darktable. Anyhow, I think this is a consequence of the Lab > color space where most of the modules act in. Suppose a dark pixel > with an Lab value of [1.0, 0.0, -5.0]. That's a fully valid Lab > color - a very dark blue close to black. However this can not be > represented in an RGB gamut. But how does such a colour come into existence if you simply import an sRGB image? Tschö, Torsten. -- Torsten Bronger Jabber ID: [email protected] or http://bronger-jmp.appspot.com ------------------------------------------------------------------------------ This SF.net email is sponsored by Windows: Build for Windows Store. http://p.sf.net/sfu/windows-dev2dev _______________________________________________ Darktable-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/darktable-users
