Ah, so Hue varies from 0 to 360 degrees while Saturation and Value vary from 0
to 1. That's a very interesting piece of information. Exactly what I needed to
hear, Alain, merci!

It worked perfectly.

Ruy

Alain <aze### [at] qwertyorg> wrote:
>
> Change your code to:
> #local Hue = (Mx-Cr)/Mx*360;
> // Scale to a full circle on the colour wheel
> // Adjust if you want to use a smaller or larger range
> texture {
>           pigment{rgb CHSV2RGB(<Hue, 1.0, 1.0>)}
>          }
>
> OR change your pigment to:
> pigment{rgb CHSV2RGB(<((Mx-Cr)/Mx)*360, 1.0, 1.0>)}
>
>
>
> Alain

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