[argyllcms] Re: Detecting wfa in paper

  • From: "Lars Tore Gustavsen" <lars.tore@xxxxxxxxxxxxxx>
  • To: argyllcms@xxxxxxxxxxxxx
  • Date: Thu, 11 Oct 2007 14:47:11 +0200

On 10/11/07, Graeme Gill <> wrote:
> That's part of it, but more important is the "bump" at 420-430.
> FWA free paper has no such bump, but its almost flat, and rather
> than suddenly tapering off below 400nm, its reflectance
> declines more slowly with shorter wavelengths.
Thanks. It was very helpful.

> > So my question is, indicating this that this paper doesn't use wfa?
> The only way to evaluate this properly is to plot it.
> MS Excel or Open Office Calc could be used for this.
> Graeme Gill.

Thanks again, I normally like to play with gnuplot, but his time I
found it even quicker to use spotread –S

Lars Tore Gustavsen

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