Calculate surface deviation after rebuild

@Willem wrote:

Hi,

How would I go about calculating the maximum deviation from a rebuild surface and it’s original in RhinoCommon?
To prevent costly calculations by brute-force sampling the deviations, I’d like to know if there are some mathematical rules that limit the number of points to sample and still get an accurate result.
My first guess would be to sample only the deviations at both the surfaces ControlPoints, but I like to know if that assumption is correct.

Basically I’m looking for a way to get the Maximum deviation as calculated in the The Rebuild command :

Thanks -Willem

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