how to evaluate a spatial interpolation algorithm why would an algorithm generate a 3d surface what is the generating error of a spatial interpolation algorithm? which algorithm determines what type of point for a terrain interpolation error on terrain what is the interpolation in gis which algorithm is best for creating a 3d surface how do you assess the accuracy of an interpolation algorithm what is interpolation in gis what is the spatial interpolation algorithm used for gis how are 3d surface algorithms used? which spatial interpolation algorithm best enables me to evaluate my terrain? why use interpolation algorithm what is spatial interpolation used for what is the algorithm used to emulate terrain why do we have interpolation in gis how to evaluate accuracy of spatial interpolation algorithms how to analyze errors in interpolation what's the error of spatial interpolation how to evaluate spatial interpolation algorithms