Le 4/1/2008, "Graeme Gill" <graeme@xxxxxxxxxxxxx> a écrit: >> I'm wondering, whether it is an option in this case to turn the >> britghtness as much down, so that the even the channel with the >> brightest black level stops emitting light, and to let the calibration >> curves apply (possibly different, and positive) black offsets for each >> channel in order to achieve a proper black level and chromaticity? >> Graeme, is this supported by dispcal? > >You can certainly do this kind of thing, although dispcal >doesn't directly support it (ie. it doesn't guide such >an adjustment). Perhaps monitoring the black point would >be the way to see what's going on in this situation. What if I first use spotread, to adjust the brightness to get very small values (<0.1)? -- Frédéric