[Gfoss] GraphHopper: tool di routing sui dati di OpenStreetMap

[Maurizio Napolitano]

qui qualche dettaglio
https://karussell.wordpress.com/2013/07/22/graphhopper-maps-high-performance-and-customizable-routing-in-java/

e qui la demo
http://graphhopper.com/maps

Il software si trova qui
http://graphhopper.com/
e qui le sue caratteristiche principali
Highlights:
Fast and memory efficient road routing
Apache 2.0 Licensed
Works out of the box with OpenStreetMap
Large test suite
Implemented in Java
Scales from big server to mobile device
Custom routing options

Ci sono alche alcune motivazioni sul perche' di questo progetto

Why not enhance existing solutions?
- Often only C/C++ solutions like OSRM are fast and memory efficient
- Java solutions then are not free like osm2po or too heavy weight e.g. 
the Spring&Hibernate based OpenTripPlanner project.