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).
You can save a lot of resources by implementing identification tiles technology which enables you to host your map on a standard and static website with using a map server.
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 … Read more
The Chicago Tribune has a five-part series on making maps using PostGIS, TileMill, Mapnik and Google Maps.