Mike Williams <nos### [at] econymdemoncouk> wrote:

> I suspect that isosurface spline functions might possibly do the job.
>
> The basic strategy would be for a grid to be laid over the heightfield,
> and for the edges of each square to be sampled to produce four splines.
> Each square patch could then be rendered...

The first thing that popped into my mind, as I read the poster's question, was
very similar to your idea, but only as a sort of vague concept of how it
*might* be accomplished.  But going from concept to code is another matter, and
I dismissed the idea as too outlandish and 'out there.' Glad to see that I
wasn't crazy after all! :-)

Ken W.

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