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Map Matching with Train Data


#1

Given some GPS positions along a rail track, how could I do map matching for that given the assumption that the vehicle moves on the rails? I have seen [1] as a readable collection of vehicles implemented so far which are in the same directory, e.g. for a bike [2]. Is there anything else to consider? Have you heard of somebody who has already implemented such a thing?

[1] https://github.com/graphhopper/graphhopper/blob/master/core/src/main/java/com/graphhopper/routing/util/FlagEncoderFactory.java
[2] https://github.com/graphhopper/graphhopper/blob/master/core/src/main/java/com/graphhopper/routing/util/BikeFlagEncoder.java
[3] https://github.com/graphhopper/graphhopper/blob/master/reader-osm/src/main/java/com/graphhopper/reader/osm/OSMReader.java