After some googling this kind of looks like "inverse distance weighted interpolation." Is that at all similar? Seems well trodden ground https://pro.arcgis.com

After some googling this kind of looks like "inverse distance weighted interpolation." Is that at all similar? Seems well trodden ground https://pro.arcgis.com/en/pro-app/help/analysis/geostatistical-analyst/how-inverse-distance-weighted-interpolation-works.htm https://pro.arcgis.com/en/pro-app/help/analysis/geostatistic... https://en.wikipedia.org/wiki/Inverse_distance_weighting https://en.wikipedia.org/wiki/Inverse_distance_weighting