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karussell edited this page Feb 28, 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 instead

  • is solid as it is based on several unit tests
  • should be simple to use and integrate
  • is fast and memory efficient => e.g. being able to run German wide queries on Android
  • only a few dependencies => < 5MB
  • it is business friendly via Apache License 2.0
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