[mkgmap-dev] type=through_route relations and mkgmap r3743

Tue Jan 10 08:31:07 GMT 2017

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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