PostGIS is an Open Geospatial Consortium (OGC) compliant software used as an extender for PostgreSQL, which is a form of object-relational database. While PostGIS is free and open source, it is used in both commercial (e.g., ArcGIS) and open source software (e.g., QGIS).
I have only taken one formal course in GIS; however, I consider myself a confident practitioner of the software and am constantly learning more despite not having access to a costly software licenses for ArcGIS or similar desktop software. In order to enhance my GIS skills while transitioning from a […]
The Chicago Tribune has a five-part series on making maps using PostGIS, TileMill, Mapnik and Google Maps. Each part reviews one aspect of pulling together a complete online map with Google Maps as the base. The series covers: Less Interactivity Prepare your data with ogr2ogr and PostGIS Make it pretty with […]