Re: Octaviz help, general question about plotting scattered data

[Michael Creel]

Jordi Gutiérrez Hermoso wrote:
<snip> someone point me in the right direction?
>
> My second question is no doubt more complex. Suppose I have scattered
> data points on some unstructured grid on the plane, and I have a
> function value at each point. That is, the only data I have is a bunch
> of (x,y,z) triplets that can be given to me in any order. They should
> represent samplings from a smooth function, hopefully a solution to a
> shallow water equation without shocks, once I get my code working. How
> can I form a quasi-smooth surface which interpolates with small
> polygons the data points that I give? I realise this may be a bit of a
> complicated problem in computational geometry, but it also seems like
> it should be a problem common enough for someone to have solved it
> very well already.

I recently added kernel smoothing to the econometrics package in o-f. This won't 
use polygons, but it will do something similar, if that helps.
M.