[GRASS-user] specify tunnel/bridge in roadmap

[Robbie Heremans]

Dear,

In order to perform (shortest path) network analysis, how can I specify that
the crossing of 2 lines in a roadmap is not an intersection but a
tunnel/bridge
(impossible to turn left or right)?

Is v.digit the right way to do this (deleting en changing lines/vertices)?

Robbie
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