[GraphHopper] Route Options and Directions Mode

[Emux]

It's important what type of graph you create / use.
With contraction hierarchies on or off and what vehicles you have put in it.

If graph is with contraction hierarchies then you cannot change those 
settings on demand.

If graph is without contraction hierarchies, then you can use:
GHRequest.setWeighting "fastest" or "shortest"
GHRequest.setVehicle(EncodingManager)

-- 
Emux
Cruiser <http://wiki.openstreetmap.org/wiki/Cruiser> - Atlas 
<http://wiki.openstreetmap.org/wiki/Atlas_%28navigation_application%29>
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