"Dan Connelly" <djc### [at] yahoocom> wrote in message 
news:48f5edf1@news.povray.org...
> Chris B wrote:
>
>> The example pasted in below my signature illustrates one approach that 
>> you could quite easily use. I transformed your data into POV-Ray arrays, 
>> then used those arrays to build a POV-Ray mesh2 object.
>
> Couldn't one also use bicupic patches to attain smoothness?  I've not had 
> luck with them yet.  If I get time, I'll put together an example of where 
> I have had trouble.
>

I might be wrong (I've never used bicubic patches), but the documentation 
says that POV-Ray supports Bezier patches which, I think, means that you'd 
have to calculate a large number of Bezier control points that don't sit on 
the original curved surface. I'd guess that this would be quite tricky.

Regards,
Chris B.

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