[argyllcms] Re: Strange results on a projector

  • From: Frédéric <frederic.mantegazza@xxxxxxxxxxx>
  • To: argyllcms@xxxxxxxxxxxxx
  • Date: Wed, 20 Feb 2008 11:30:13 +0200

Le 19/2/2008, "Graeme Gill" <graeme@xxxxxxxxxxxxx> a écrit:

>If a device is actually additive, then unless the primaries are in
>very strange locations, it should behave itself reasonably once the
>per channel curves have been adjusted to give a neutral. The main
>mechanism for non-additive behaviour in a modern projector
>would be that something electronic is manipulating it.
>A 4 segment DLP has such manipulations, or maybe some projectors
>have various "enhancement" modes that mess with things, and make
>the basic RGB behaviour non-additive.

I attached the LUT we got with argyll. The 'sanyovert' was generated
after we move down the Green slider on the projector.

--
   Frédéric

Attachment: sanyovert.png
Description: PNG image

Attachment: sanyo.png
Description: PNG image

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