"Christopher James Huff" <cja### [at] earthlinknet> wrote in message
> You could also use them to create a height field with the built-in
> height_field primitive:
>
> height_field {
>     function XRes, YRes {(HghtFn1(x, y, z) + HghtFn2(x, y, z))/2}
> }
>
You beat me to it!

See my image just posted in p.b.i. for an example of the effect

John
--
War is not good for children and other living things

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