Just so that other people don't have to search: http://lpetrich.org/Science/GeometryDemo/GeometryDemo_GMap.html http://lpetrich.org/Science/GeometryDemo/Geometr

Just so that other people don't have to search: http://lpetrich.org/Science/GeometryDemo/GeometryDemo_GMap.html http://lpetrich.org/Science/GeometryDemo/GeometryDemo_GMap.h... and a very good tutorial: https://chriszetter.com/blog/2014/06/15/building-a-voronoi-map-with-d3-and-leaflet/ https://chriszetter.com/blog/2014/06/15/building-a-voronoi-m... on how the UK supermarkets Voronoi map was made: https://chriszetter.com/voronoi-map/examples/uk-supermarkets/ https://chriszetter.com/voronoi-map/examples/uk-supermarkets... also have a look at (code included): http://bl.ocks.org/shimizu/5610671 http://bl.ocks.org/shimizu/5610671