One might do well to use a Voroni diagram algo whereby a middle-out where the center is the center of the obloide(globe) and you calc the volume of water as com

One might do well to use a Voroni diagram algo whereby a middle-out where the center is the center of the obloide(globe) and you calc the volume of water as compared to the topology. https://hn.algolia.com/?q=voronoi https://hn.algolia.com/?q=voronoi Some dope inspiration in HN threads...