A web based data mining tool for OpenStreetMap using the Overpass API.
created at July 16, 2012, 9:19 p.m.
convert osm to geojson
created at Oct. 3, 2013, 11:41 a.m.
Converts rfc7946 geojson polygons to d3 compatible ones
created at March 9, 2017, 10:43 a.m.