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[mkgmap-dev] Route Calculation Error and Ferries

From Ticker Berkin rwb-mkgmap at jagit.co.uk on Mon Mar 12 15:46:02 GMT 2018

Using GPSMapEdit to look at the coordinates of the first point in the
ferry way, the one that worked has the points in the direction of
travel, and the one that didn't has them the other way around (but
neither is marked one-way)


On Mon, 2018-03-12 at 15:31 +0000, Ticker Berkin wrote:
> Hi
> I almost always get "Route Calculation Error" on my Garmin when a
> ferry
> crossing is required. GPSMapEdit "Tools > Test Routing Graph" does
> find
> the routes and it shows reasonable properties for the ferries,
> walkways
> and relevant roads.
> I'm testing it with a mix of foot and car ferries. In the routing
> options, all "Avoids" are turned off (ie allow tolls, unpaved, etc)
> If I create a "Route" on the device, with a "Via Point" on the ferry
> line, and then navigate this route, it works, except immediately
> after
> the "via point" it gives the instruction is "Make a U-turn"
> This ferry works:
> https://www.openstreetmap.org/way/3533551
> These don't:
> https://www.openstreetmap.org/way/614416
> https://www.openstreetmap.org/way/614415
> Any thoughts
> Ticker
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