pgRouting: A Practical Guide

What is pgRouting? It's a PostgreSQL extension for developing network routing applications and doing graph analysis.

Interested in pgRouting? If so, chances are you already use PostGIS, the spatial extender for the PostgreSQL database management system. So when you've got PostGIS, why do you need pgRouting? PostGIS is a great tool for molding geometries and doing proximity analysis, however, it falls short when your proximity analysis involves constrained paths such as driving along a road o...