news:4237206a$1@news.povray.org...
> > function 1000,1000 {
> > F_Terrain(x,y,z)
> > }
>
> This evaluates F_Terrain along the X-Y plane from <0,0,0> to <1,1,0>.
Since
> the cylinder goes along the y-axis (which ends up corresponding to the
> z-axis in the height field), the height field only changes along the
x-axis.
>
> Two solutions:
>  - rotate your cylindrical pattern to face along the z-axis with rotate
90*x
>  - use the spherical pattern instead of cylindrical
>
>  - Slime
>  [ http://www.slimeland.com/ ]

Sorry I was writing my post while you were posting :)

Marc

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