[pgrouting-users] Create network with nodes at least every 50m

[Adam Lawrence]

In case anyone else is interested, I have solved the problem. the resulting
function is available at
https://github.com/alaw005/pgrouting_functions/blob/master/createSegmentedNetwork.sql.
This is inspired by other posts and In row 84 I generate a sequence from 0
to spacing*100 (in original was 0 to 1000) but this might fail if there are
too many segments. I would be interested if there is a better way or if
there are any other suggestions for improving this. I have used to generate
much more accurate catchment areas.

Regards
Adam
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