White paper, reference for Elevation Void Fill/Plane fitting algorithm?

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04-22-2020 11:12 AM
JanetHarvey
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Many of ESRI's algorithm help pages list a reference or a white paper for the basis of the algorithm.

I have not been able to find one for the Elevation Void Fill function.  The help pages say it's a combination of IDW and plane fitting, but I cannot find a reference for the plane fitting algorithm ESRI uses.

Does anyone have a reference for the the Elevation Void Fill function or the plane fitting algorithm?

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