"The "D"" <dav### [at] gmxnet> wrote in message
news:3df23931@news.povray.org...
> This may be the wrong news group for this but is it possible? I mean ok
I've
> got a bicubic patch object but I just want a hollow outline of the shape
> rather than a solid is it possible to render this or am I barking up the
> wrong tree here?

At least in some cases a hollow outline
of  the bicubic patch object is defined by its four border curves.
In this case you can build an outline object easily with pov,
since these curves are defined directly by patch control points.

Gleb

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