RE: [Algorithms] "N-Patches" (ATI/DX8 triangle bezier heuristic)

[Kelmenson, D. <Dan...@br...>]

Which link is this referring to?  I couldn't find any link on that page that
seems to be the article you are referring to.

> -----Original Message-----
> From: Charles Bloom [mailto:cb...@cb...]
> 
> Well, ATI's posted this on their website, so I guess we
> can talk about it freely now.
> 
> http://www.ati.com/na/pages/resource_centre/dev_rel/devrel.html
> 
> I don't give a hoot about the DX8 implementation of this, I
> want to talk about the algorithm of making a curved triangle
> only using its vertices and normals.  I worked on this for
> a while, and decided it wasn't such a hot thing to do, because
> you can't even guarantee G1 continuity, so I abandonded
> it and moved on to butterfly subdivision, where continuity 
> can be gauranteed.
>