POV-Ray : Newsgroups : povray.binaries.animations : CIELCH sphere : Re: CIELCH sphere Server Time
19 Apr 2024 12:27:41 EDT (-0400)
  Re: CIELCH sphere  
From: Mike Horvath
Date: 30 Nov 2016 20:07:36
Message: <583f77d8$1@news.povray.org>
On 11/30/2016 4:04 PM, clipka wrote:
> Am 30.11.2016 um 21:36 schrieb Mike Horvath:
>> I've attached a short movie and the scene file. Compare to this for a
>> general idea of what I'm trying to do:
>>
>> https://commons.wikimedia.org/wiki/File:HSLSphere.svg
> ...
>> 3. The isosurface is awfully flat at the bottom. This makes me
>>    suspicious.
>
> The whole shape makes me suspicious. Unfortunately I'm unfamiliar with
> the colour space you're trying to render, so I have no idea whether
> you're doing the right thing or not.
>
> The term "CIELCH" is certainly wrong for this shape, as that would
> simply be the cylindrical parameterization of the CIELAB or CIELUV
> colour space you've already dealt with.
>
> As a matter of fact I'm not aware of any LCH-based colour space that is
> commonly represented in a fully spherical interpretation of those
> parameters.
>

I was curious how the shape would look like.

Mike


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