Upon further investigation, I think this is caused by my use of routable types as non-routing overlays on roundabouts. When I stop using them, the problem goes away.
Strange that this didn't cause a problem with earlier mkgmap builds. Steve On 19 June 2013 20:27, Steve Brophy <steve.bro...@gmail.com> wrote: > I have recently noticed a problem when following routes or tracks on my > 800, with turn guidance turned on. Sometimes, the calculated route diverges > from the gpx track and road, and makes a straight line to somewhere further > on. The attached screenshot shows an example. > > I build my own maps, and noticed this problem with mkgmap-r2643. When I > build a map with mkgmap-r2585 (the most recent older version I have), I do > not see this problem. If someone can point me at any intermediate versions > (I don't build mkgmap from source), then I can try and narrow down when the > problem first occurs. > > Steve >
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