The tile38 docs (https://github.com/tidwall/tile38 https://github.com/tidwall/tile38) are really good. Lots of animated GIFs combined with great structured tex

The tile38 docs (https://github.com/tidwall/tile38 https://github.com/tidwall/tile38) are really good. Lots of animated GIFs combined with great structured text that really helps quickly explain all the complex things that a geospatial index can do.