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[mkgmap-dev] no_u_turn

From Paul news at pointdee.co.uk on Sun Oct 4 21:20:56 BST 2009

> not sure if mkgmap or other routing tools can resolve it if the from/to ways
> are not both connected to the via node. then the relation should be like
> this. restriction relations are documented on the wiki that the via must be
> a node not a way.
> no_right_turn
> from AB
> via B -> instead way BE
> to ED
> crazy but this is the current definition of turn relations

http://wiki.openstreetmap.org/wiki/Relation:restriction shows the "via"
 as either a node or way. Both JOSM and Validator show a no_u_turn with
a via way as valid (direction of via way notwithstanding). It truly
would be a crazy situation if a restriction existed but could not be
implemented but this is drifting away from mkgmap and into more OSM



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