Vector map tiles are a very intriguing technology given the latest tools from Mapzen, Mapbox etc., so sharing tiles over p2p is welcome. However, this seems to use a K-D-B-tree which is similar but different. Why? <a href="https://en.wikipedia.org/wiki/K-D-B-tree" rel="nofollow">https://en.wikipedia.org/wiki/K-D-B-tree</a><p>Vector map tiles solve multiple problems in keeping the data transfers reasonable: independence from data outside of viewport, caching by tile, simplification by zoom level. Does this provide the same?