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2 items tagged “geohash”

2010

Geospatial Indexing in MongoDB (via) New in version 1.3.3. Handles “order by distance from” queries using a geohash approach under the hood, automatically searching nearby grid squares until the correct number of results have been gathered. Bounding box search is planned for a future release.

# 2nd March 2010, 8:12 pm / geohash, geospatial, gis, mongodb

2008

Geohash for spatial index and search. Nice, clear explanation of what a Geohash is. It’s a way of encoding a lat/lon position as a short string, with the useful property that similar co-ordinates with more or less significant figures share a common prefix in their geohash.

# 8th June 2008, 9:35 am / geohash