[Openstreetmap] maps as graphs

[Hugh Barnard]

Hi folks

Apologies if this is a bit aslant to the current topics...Jo (I think, I
read the digest) touched
on something that will interest me as a 'user':- routes (of all kinds) which
can be represented
as graphs...they tend immediately to be directed graphs in cities because of
one-way systems etc...also, if one edge is (say) pedestrian, then that
complete route is pedestrian-only etc. etc.

So, a certain amount of the ontology discussion is also related to a
graphability discussion,
don't know how much...

Just to declare interest, I've been working on and off on a to-be-GPLed
rideshare thing which, at present is postcode based, but it would produce
more matches if it became more fine grained in a 'routey' (ha..) sort of
way, another reason for the post.

I imagine there'll be plenty of of other takers for this  sort of activity
anyway...

Best regards Hugh