Compute an Inverse Distance Weighting raster over the given extent from the given set known-points.
Compute an Inverse Distance Weighting raster over the given extent from the given set known-points. Please see https://en.wikipedia.org/wiki/Inverse_distance_weighting for more details. Implementation taken partially from GDAL GDALGridInverseDistanceToAPower
A collection of known-points
The study area
The data interpolated across the study area