I have created the attached scene.

It works well, except the pigment function needs to be offset at the 
beginning and end of the gradients "CSolid_HSLSphere_Saturation" and 
"CSolid_HSLSphere_Lightness". The end result is supposed to look like this:

https://commons.wikimedia.org/wiki/File:HSLSphere.svg

Can someone clue me in on how to do this? Thanks.


Michael

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Attachments:
Download 'csolid_hsl_sphere_show.pov.txt' (7 KB)