[GraphHopper] Extract a single edge?

[Andreas Fischer]

Hi,

I have an algorithm which returns some edges in a list. Since i am using
contraction hierarchies, these edges are contracted. Is there a way to just
unfold one single edge to the original graph? In detail please, because i
cannot follow the code in PathBidirRef.java ! I'm sorry.

I used dijkstrabi for contracting the graph. My aim is to write a helper
method called HashSet<EdgeIteratorState> extractEdge(EdgeIteratorState
contrEdge, GraphHopper g);

Thanks,
Andreas

p.s. i am using a version from a view month ago. i changed too much to be
able to merge with the master branch again. I hope there are no brand new
classes or methods which are able to do what i try to achieve.
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