POV-Ray : Newsgroups : povray.binaries.animations : CIELCHuv D65 gamut sphere : Re: CIELCHuv D65 gamut sphere Server Time
29 May 2024 10:46:22 EDT (-0400)
  Re: CIELCHuv D65 gamut sphere  
From: clipka
Date: 25 Mar 2017 05:21:46
Message: <58d636aa@news.povray.org>
Am 25.03.2017 um 09:19 schrieb Mike Horvath:
> The visible gamut under D65 illumination mapped to spherical CIELCHuv
> coordinates.

You seem to be interpreting L as a polar coordinate, which is rather
unconventional -- and as a matter of fact doesn't make much sense, since
it causes all grey tones to collapse into the center.

The official CIE LCh colout space is cylindrical in nature, not
spherical (though the visible gamut under D65 might take on a somewhat
spherical shape).

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