2009/3/2 Marcus Wolschon <[email protected]> > On Mon, 2 Mar 2009 09:50:12 +0100, Guenther Meyer <[email protected]> > wrote: > > if the routing is implemented properly, the route shouldn't walk into the > > > wrong direction (roundabouts are oneway). > > when the route has been calculated, you just count the number of exits > from > > > > entering until leaving, then you have the number of the needed exit. > > mmh... can I actually assume all roundabouts to be drawn in the correct > direction? > This would indeed make my thinking obsolete and this trivial to implement. >
If they aren't in the correct direction, I'd say they are errors that should be fixed, so, I'd say it's as safe to assume that roundabouts are in the right direction as any other data being correct... d
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