hello, i have a
few hundred bus route layers that i'm trying to get a rough distance figure
on.
now most of these
routes travel along the same arterial trunks for some portion of their journey,
i'd like to combine any routes that do this so that portion is only counted once
in the distance aggregate.
problem is most of
these lines don't overlap cleanly, they are often a metre or so apart... enough
so that when i combine the objects, they are still separate
lines.
how can i combine
lines that are close together and parallel?
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