Mike N. wrote:
Do routing engines glue nodes from different layers? Do they automatically connect crossing ways on the same layer? Either modification would change the calculated route.
I just love it when my tomtom gets confused when there is one of the quite regular errors in a route and I go the physical path while it is telling me to 'turn left' off the bridge and straight onto the motorway below. Even paid for data has many holes in it :(
Elevation is a critical element and HAS to be respected. two nodes may well be at the same coordinates, but they are NOT necessarily the same point ....
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