PostGIS

PostGIS is a spatial database extension for the the PostgreSQL DBMS. It provides new types to PostgreSQL geometry, geography, raster, and topogeometry and SQL/MM OGC SFSQL compliant functions for doing GIS work such as cadastral management, back-end for Web mapping services.

It can also be used for network and road-routing using the complimentary pgRouting PostgreSQL extension.

Core features

Core features
- geometric processing
- geographic processing
- raster processing and analysis in the database
- 3D surface and volume support
- topogeometry functions and topologies
- geocoding and address standardization
- also includes tools for loading data