On 18/04/2022 11:25, Bob Cameron wrote:
Good stuff Dian!
I don't know how widespread the problem is, but Garmin GPS navigation
devices see no road surface tag as sealed. This can create routing
stress for the driver and possibly safety issues. Might be worth
mentioning that it's far better to default tag new roads in non urban
areas as unpaved than no tag, if the surface is unknown.
The process for converting OSM data into Garmin maps is entirely
software-defined, so if you want to represent unpaved roads differently
to paved roads that's entirely possible. There's quite a bit of
information of https://wiki.openstreetmap.org/wiki/Mkgmap , and there's
other information elsewhere. I wrote a diary entry
https://www.openstreetmap.org/user/SomeoneElse/diary/38613 ages ago to
deal with the reverse problem - someone modifying OSM data incorrectly
so that it appears as they wanted it on their Garmin.
If someone wants to do the opposite (avoid unpaved roads by representing
them as tracks) that's entirely possible too.
Best Regards,
Andy
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