I have fixed OSM data and still get "Turn left onto Calle Botánico Rivas Mateos", so it seems through_route relation is steel needed and should be parsed.

El 11/01/17 a las 18:48, Gerd Petermann escribió:
Hi Carlos,

thanks, I've got the test case on my disk, you can correct the OSM data.

Gerd
________________________________________
Von: mkgmap-dev <mkgmap-dev-boun...@lists.mkgmap.org.uk> im Auftrag von Carlos Dávila 
<cdavi...@orangecorreo.es>
Gesendet: Mittwoch, 11. Januar 2017 18:41:45
An: Development list for mkgmap
Betreff: Re: [mkgmap-dev] type=through_route relations and mkgmap r3743

Yes, that's the intended effect. But that particular relation could be
removed, because there are some wrong tagging here. Second part of Calle
José Luis Cotallo should be tagged as service, with no name. I'll change
it, but if you want to use it as test case I can wait for the commit.

El 10/01/17 a las 09:31, Gerd Petermann escribió:
I found one that might be interesting:
https://www.openstreetmap.org/relation/406379

If I got that right the intention was to tell mkgmap that
it should change the bearing (heading) values in the map so that the Garmin
algo doesn't produce a
hint like "Turn left onto Calle Botánico Rivas Mateos" when travelling from
way 24647941 (Calle José Luis Cotallo) to way 24311294 (Calle Botánico Rivas
Mateos).
(this is what happens now)

What would you want instead?
@Carlos: You have created that relation in 2010, maybe you remember?

Gerd




Gerd Petermann wrote
Hi all,

I've noticed that mkgmap still checks these relations for correctness but
they have no influence on the created map.
Part of the code that handled them was removed with r3649:
http://www.mkgmap.org.uk/websvn/revision.php?repname=mkgmap&rev=3649

If your map was created with r3743 or later, please check if you find a
crossing with such a relation which where routing
hints are wrong. In that case I would try to add code for the support,
else some unused code can be removed.

Gerd


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