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).
PostGIS
GIS Software
Using Identification Tiles Technology to Serve Maps
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.
GIS Software
How to Go from GIS Novice to Pro without Spending a Dime
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 […]
Maps and Cartography
Making Maps
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 […]