Articles in geofile

GeoFile: Everything in the Radius with MongoDB Geospatial Queries

GeoFile is a series dedicated to looking at geographical data, its features, and uses. In this article, we’ll continue our discussion of getting locations within a radius, but apply it to GeoJSON documents and MongoDB. We’ll be setting up 2dsphere in…

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GeoFile: Everything in the Radius with PostGIS

GeoFile is a series dedicated to looking at geographical data, its features and uses. In this article, we build upon our last discussion of getting the distance between two points, and now move to getting all data points within a specified radius. On…

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GeoFile: Getting the distance using Redis and PostgreSQL

GeoFile is a series dedicated to looking at geographical data, its features and uses. In this article, we discuss getting the distance between two points on a map and how Redis and the PostgreSQL extension PostGIS approach this problem. The most comm…

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GeoFile: Spatial Reference Systems and Databases

GeoFile is a series dedicated to looking at geographical data, its features and its uses. In this article, we discuss spatial reference systems, what EPSG codes are, and how databases handle and transform them. Having and knowing what the right spati…

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