[OSM-talk] Routing over barrier nodes

[John Smith]

2009/9/10  <Lulu-Ann at gmx.de>:
> Currently the problem with routing is, that routing applications can not check for millions of nodes, but only for thousands of ways without performace problems.
>
> That results in the problem, that for example barrier bollards in the middle of the road can not be considered.
>
> I recommend to add a route_nodes=yes or router:check_nodes=yes to such ways, so that the routing software can check only the ways in first run and then check the nodes on ways only where this is set.
>
> Comments?

Isn't that tagging for software?

Also the software wouldn't need special tags if it dealt with barriers
in the pre-processing to basically split a way or prevent you from
routing a particular way.