[OSM-talk] Routing over barrier nodes

[Florian Lohoff]

On Thu, Sep 10, 2009 at 09:29:23AM +0200, Lulu-Ann at gmx.de wrote:
> 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? 

Thats something data preprocessing can easily do - Also a typical
preprocessing might insert a little way which represents that node
and contains all restrictions so it fits into the Dijkstra ...

Flo
-- 
Florian Lohoff                                         flo at rfc822.org
"Es ist ein grobes Missverständnis und eine Fehlwahrnehmung, dem Staat
im Internet Zensur- und Überwachungsabsichten zu unterstellen."
- - Bundesminister Dr. Wolfgang Schäuble -- 10. Juli in Berlin 
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