> and here is the outer (purpleish) one:
> 
> #declare p_pig1=
> pigment
> {
>     granite
>     color_map
>     {
>         [0.00 color rgb < 1.0, 0.0, 1.0> transmit 1]
>         [1.00 color rgb < 1.0, 0.0, 1.0> ]
>     }
> }
> 
> pigment
> {
>     bozo
>     pigment_map
>     {
>         [0.0 p_pig1 scale 3]
>         [0.8 color rgb < 1.0, 0.0, 1.0> transmit 1]
>         [1.0 color rgb < 1.0, 0.0, 1.0> transmit 1]
>     }
>     scale 1/3
> }

It's exactely this one I need for my scene. Thanks.
--
- Philippe-H Cadet - phc### [at] arobasnet

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