Thanks Thorsten, that works fine.

Bob


Thorsten Froehlich wrote:
> In article <3EA### [at] ihugcomau> , bob douglas <rod### [at] ihugcomau>
> wrote:
> 
> 
>>I don't know how to apply the old unofficial isosurface function implicit
>>implementation of "^". Could you please explain how to do this?
> 
> 
> Sure. Change every pow(x,y) into pow(abs(x),y) .
> 
>     Thorsten
> 
> ____________________________________________________
> Thorsten Froehlich, Duisburg, Germany
> e-mail: tho### [at] trfde
> 
> Visit POV-Ray on the web: http://mac.povray.org

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