andrel <a_l### [at] hotmailcom> wrote in news:3FF### [at] hotmailcom:

> A couple of months ago I did some thinking and computations
> on bicubic patches. If I remember correctly, you can get
> bicubic patches 2nd order continuous in the vertices (or
> any two points along the edge), but only zeroth order
> along the edges. So, sorry, completely smooth surfaces
> can not be made with bicubic pathes in general in this way.

Thank you for your input.

Maybe I too will have delve into the polynomials used
for these patches, so that I can convince myself that
your conclusion is correct.

I have a (diminishing) hope that you are wrong  :(


Tor Olav

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