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esriSurfaceInterpolationType Constants (ArcObjects .NET 10.5 SDK)
ArcObjects Library Reference (GeoDatabase)  

esriSurfaceInterpolationType Constants

Esri TIN elevation interpolation methods.

Constant Value Description
esriLinearInterpolation 0 Uses linear interpolation.
esriNaturalNeighborInterpolation 1 Uses natural neighbor interpolation.
esriNaturalNeighborZmin 2 Uses the minimum Z of all natural neighbor nodes.
esriNaturalNeighborZmax 3 Uses the maximum Z of all natural neighbor nodes.
esriNaturalNeighborZaverage 4 Uses the z closest to the average of all natural neighbor nodes.
esriNaturalNeighborZnearest 5 Uses the Z value of the nearst node.
esriNaturalNeighborIDW 6 Uses 'Inverse Distance Weight' based on natural neighbors.

Product Availability

Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.

.NET Related Topics

How to perform surface analysis on a terrain dataset