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TG: Polygon indexing
Simon Willison's Weblog simonwillison.net
TG is a brand new geospatial library by Josh Baker, author of the Tile38 in-memory spatial server (kind of a geospatial Redis). TG is written in pure C and delivered as a single C file, reminiscent of the SQLite amalgamation.
TG looks really interesting. It implements almost the exact subset of geospatial functionality that I find most useful: point-in-polygon, intersect, WKT, WKB, and GeoJSON - all with no additional dependencies.
The most interesting thing about it is …
author brand geojson geospatial gis indexing in-memory kind library memory polygon redis server sqlite