[OSM-dev] Data source for robot

Matthias Julius lists at julius-net.net
Tue Oct 12 11:12:44 BST 2010


On Tue, 12 Oct 2010 10:48:29 +0200, Jochen Topf <jochen at remote.org> wrote:
> On Tue, Oct 12, 2010 at 04:36:34AM -0400, Peter Budny wrote:
>> They /are/ required, because roads may be discontiguous in various
ways:
>> a road may change names (e.g. Main Street North becomes Main Street
>> South, but to a driver or pedestrian, both are just one continuous Main
>> Street), or even be physically discontiguous (some state and even US
>> Highways do this).
> 
> So?
> 
> Is any application actually using this? And what for?
> 
> I am not beeing facetious, what are these routes actually useful for
that
> the tags on the roads don't already do?

It avoids duplication of data.  You can either have the same tag on 200
road segments or on one relation.

Matthias



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