Why GraphHopper

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karussell edited this page Jan 12, 2013 · 6 revisions

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 to heavy weight e.g. the Spring&Hibernate based OpenTripPlanner project.

GraphHopper is build

based on several unit tests
it should be simple to use and integrate
... and memory efficient => being able to run on Android
only a few dependencies => < 5MB