Articles in gis

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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GeoFile: Converting and importing shapefiles for Compose PostgreSQL and MongoDB

GeoFile is a series dedicated to looking at geographical data, its features and its uses. In this article, we discuss how to convert shapefiles into SQL and GeoJSON and import them into Compose PostgreSQL and MongoDB. When viewing geographical data o…

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