The OpenStreetMap movement has a great trick up their sleeve for manipulating their data – osmosis. It’s the sort of tool that map, GIS and navigation companies probably have developed in-house, only I’m prepared to bet that this one’s more elegant than most of theirs. For straightforward tasks such as loading some OSM data into Postgres the documentation was clear to me. However, I have been scratching my head more than somewhat with the more subtle plumbing. Continue reading “Plumbing With OpenStreetMap osmosis”