[mkgmap-dev] Wrong turn heading when using --process-exits

Mon Jan 6 21:33:52 GMT 2014

Oh, I forgot the link to the minimal test map and .osm extract:

http://brutus.dalom.com/~jetthe/OSM/mkgmap/lkpg_113/

/Jonas

On Mon, Jan 6, 2014 at 10:18 PM, Jonas Tull <jonas at dalom.com> wrote:

> Hi!
>
> I have an issue where a motorway_link which is modified by --process-exits
> gives the wrong turn heading instruction in my GPS (Nüvi 205). "Turn left
> at Exit 113" instead of "Turn right at Exit 113".
>
> The way is http://www.openstreetmap.org/way/4400960
>
> When looking at the map in QLandkarte it looks like the first two ways
> created when the _link way is split are almost parallel to the motorway. My
> guess is that it's somehow related to the relatively long distance between
> the first and second node in the original _link way.
>
> I build my maps with the following (relevant?) arguments:
> --adjust-turn-headings --route --housenumbers --process-destination
> --process-exits
>
> This issue can also be seen in the maps downloaded from
> http://garmin.openstreetmap.nl/
>
> /Jonas
>
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