I've done a tiny bit of reading into them and from what I gather subdivision
is a function (to be applied on) of polygons.  In the software that supports
it a shape is made (and at the last minute) a subdivision is applied, where
everything is smoothed.  Depending on the settings a cube for example would
look like a sphere.  Its ideal for faces etc as you can create a low poly
mesh and subdivide at the end (which hugely increases the number of
polygons).

...Its not suitable directly for POV-Ray though someone could write a
macro/prog that could subdivide a mesh...

Peter Cracknell (.com)

"Fabien Mosen" <fab### [at] skynetbe> wrote in message
news:3AA0D441.BE1898C4@skynet.be...
> I keep reading everywhere about "subdivision surfaces", which are
> currently the "bing thing" in modelling software.  However, from the
> explanations I gathered, they seems not much different from bezier
> patches.  Can someone clarify this ?
>
> Fabien.

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