#245 HSV profile

[Adam Majewski]

I can create RGB profile of the palette usning : test palette
https://commons.wikimedia.org/wiki/File:Gnuplot_HSV_gradient.png
Is it possible to make such image for HSV ( not rgb ) channels?
It would be good for explanation of :
The map is obtained by linearly varying the hue through all possible values while keeping constant maximum saturation and value." :

set palette model HSV functions gray,1,1

TIA

[Adam Majewski]

https://commons.wikimedia.org/wiki/File:HSV_2D_profile_of_the_rainbow_gradient.png