By Tim McLennan
Choosing an interpolant function
Leapfrog Geo uses two different base functions to form interpolants. They are the linear interpolant function and the spheroidal interpolant function. This blog covers when to use each base function, how to set the function parameters, and how to convert the parameters for a Leapfrog Mining interpolant across to Leapfrog Geo.
As explained in the Leapfrog Interpolation Basics blog article, the interpolant functions indicate how the function values are expected to vary as the distance between points increases. At small distances the values are expected to be similar and so the function values are small. At large distances the values are expected to vary considerably and so the function values are larger. The nature of this relationship means that the interpolant function is equivalent to the variogram used in geostatistical modelling.