[argyllcms] Re: About Hi-Res spectral mode

  • From: Don Terwilliger <harpmaker45@xxxxxxxxx>
  • To: argyllcms@xxxxxxxxxxxxx
  • Date: Mon, 10 Oct 2011 22:25:41 -0400

Would it be possible to have a mode in Argyll for the i1 that outputs data
in 5nm intervals? The reason I ask is that I use my i1 mostly for reflective
readings and import the spectral data to a free spreadsheet by Bruce
Lindbloom. He has 10nm and 5nm versions, but no 3.33nm. These spreadsheets
output all sorts of color space data from the spectral data.

Also, I'm sure this question was asked before, but is the 3.33nm interval
for the i1Pro hardware-based or interpolated?

Thanks for any help, and sorry for my bad memory. <blush>

On Mon, Oct 10, 2011 at 9:19 PM, Graeme Gill <graeme@xxxxxxxxxxxxx> wrote:

> János, Tóth F. wrote:
> > As you can see, there is a noisy range between 360 and 400nm (and may be
> > between 730 and 740nm too).
> > I don't think it can make a significant difference when measuring light
> > color shades but may be it can significantly degrade the accuracy of the
> > low-light measurements in both normal HiRes and Adaptive HiRes modes.
> Hi,
> If it does degrade the CIE values, then it would be better to do without
> it.
> > I am not sure if it's a problem with my CM or a nasty thing of the plasma
> > display panel, but it looks like random noise for me. And given that it's
> in
> > a range which is normally clipped in Default mode, I guess it could be a
> > bug.
> It's an unknown. I didn't see such obvious noise on my instrument,
> but that may be something that is instrument specific, or depends
> on the measurement circumstances.
> Graeme Gill.

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