On 11/19/2016 2:53 AM, Le_Forgeron wrote:
> Le 18/11/2016 à 19:25, Le_Forgeron a écrit :
>> I would go via the fresh uv-mapping of cylinder, using a gradient map to
>> other gradient map of orthogonal direction.
>>
>
> Here illustrated with a lemon, and HSL2RGB.
>
> The adaptation to a cylinder and L*C*h(uv) is left as an exercise for
> the reader.
>

I want to model the 3D shape of the color solid, too. This is a very 
irregular shape, and I believe I will need to create an isosurface.

Mike

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