Hi,
I'm using my maps even for long distance routing. Typically 600-800
km, Germany to Italy or Spain, Germany to UK.
My device is a Montana 600/610. I do not use my maps on the pc
(mapsource, etc).
Adding additional (way)points helps me to control the exact route.
Regards, Michael
Zitat von Gerd Petermann <[email protected]>:
Hi Bodo,
the --tdbfile option has no effect on the created gmapsupp. My
understanding reg. long distance routing on the device is that the
algorthm needs memory which is limited.
On my Oregon this typically results in one straigt line after
minutes. Maybe the nüvi uses a different algo. It would be
interesting to know if you can reproduce the problems
in Mapsource because that would allow us to reproduce them as well.
I stopped using the device for long distance routing (> 50 km), I
use internet services now and download the routes as tracks.
I can only suggest to avoid long distance routing by adding
additional points.
ciao,
Gerd
________________________________________
Von: mkgmap-dev <[email protected]> im Auftrag
von Bodo Pfelzer <[email protected]>
Gesendet: Mittwoch, 26. Juli 2017 17:46:20
An: [email protected]
Betreff: [mkgmap-dev] Strange long distance routes on Nüvi
I use a gmapsupp.img generated with a reduced style derived from
the default mkgmap-style . Routing for cars works fine, if the
routes are short. But if I try to plan a long journey (1000 km). The
route calculation gets stuck for some minutes at lets say 80 percent
and finally comes to a result. But the resulting route is something
that looks like a concatenation of beelines. My assumption is, that
Nüvi contains an overview map of the world (or Europe) that I cannot
disable. Could I replace it using --tdbfile in mkgmap? But the
option mentions MapSource, I tried to avoid MapSource for now.
Routing works fine, if I disable Motorways (or toll roads), but the
route seems to be somewhat inconvenient.
Perhaps my questions is a little bit outdated, since there are good
smartphone based apps for navigation. But I love my old fashioned
Nüvi. This leads to the next question: Is there a chance that there
will be TMC information compiled into mkgmap maps sometimes in the
future? As far as I understand, nobody knows where it is stored
inside encrypted proprietary maps.
Best regards
Bodo
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