[GRASS5] Computational geometry

[Helena Mitasova]

Rich Shepard wrote:

> Q:      Why is it that the more accuracy you demand from an interpolation
>         function, the more expensive it becomes to compute?
> A:      That's the Law of Spline Demand.
>
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this is not always true and it very much depends on how much effort are you
willing
to spend on optimizing the code performance. If there were resources and
demand to do it
s.surf.rst could run several times faster than what the current
implementation offers.
You can spend a lot of resources on a very inaccurate interpolation.

Helena