Bernard Hatt wrote:
> Thanks for the workaround code, it does look quite good. I'll
> experiment with it and f_waves/f_ripples to see what I can
> produce.

If anyone is interested, having now played around a bit, a simple
solution was to replace the isosurface with a height_field which
also renders much quicker.

height_field
{
        function 128,128 {f_bozo(x*12+6,y*12-6,z)}
        smooth
        translate <-0.5,0,-0.5>
        scale <12,1,12>
        pigment { rgb <0.25,1,0> }
        finish {phong 0.28 phong_size 16}
}

Regards,

Bernard

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