By Mick Thompson
Today's cellular units have GPS and traditional APIs to provide you entry to coordinates—but what are you able to do with that info? With this concise e-book, program builders how one can paintings with position info quick and simply, utilizing Node.js, CouchDB, and different open resource instruments and libraries.
- Learn the right way to serve dynamic content material with Node.js, and use its asynchronous IO to deal with a number of requests at once
- Become acquainted with GeoJSON, Geohash, and the Geospatial information Abstraction Library (GDAL) for operating with spatial data
- Build geospatial indexes utilizing the GeoCouch department of CouchDB
- Combine those instruments to construct a venture that shall we clients put up real-time chat messages tagged with their present map location
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