[argyllcms] Re: Difficulty profiling new iMac

  • From: "Lars Tore Gustavsen" <lars.tore@xxxxxxxxxxxxxx>
  • To: argyllcms@xxxxxxxxxxxxx
  • Date: Tue, 18 Sep 2007 08:09:47 +0200

On 9/17/07, Graeme Gill <> wrote:

> It's not usual to use spectral information in profiling a display,
> simply because there is no illuminant involved. The only reason
> for doing so with a display is to choose an alternate observer.
> So the "-i D65" above is actually not doing anything - it's being
> ignored, only the "-o Shaw" is having any effect.
> The display will have a 6500K white point only if it is
> calibrated to be so (ie. using dispcal -T 6500).
> Note also that 6500K != D65 white point, they are subtly different.
> Graeme Gill.
Thanks again Graeme. It was very informative as usual.
Lars Tore Gustavsen

Other related posts: