[mkgmap-dev] type=through_route relations

Thu Oct 24 17:40:19 BST 2019

Hi

It looks like this proposed feature was rejected by the OSM community: 

https://wiki.openstreetmap.org/wiki/Proposed_features/through_route

and, as there are few examples of its use, I suggest disabling or
removing the code.

I couldn't see from this web page if there was a recommended way of
indicating, via an OSM relation, to the map conversion software (eg
mkgmap) and then to the device itself, that an apparently straight
through traversal of a junction (ie same road name or whatever)
requires a give-way or a turn. It is easy to take the wrong route if
the device doesn't alert the junction. 

Ticker

On Wed, 2019-10-23 at 18:17 +0000, Gerd Petermann wrote:
> Hi all,
> 
> I've noticed that the changes in r3649 
> http://www.mkgmap.org.uk/websvn/listing.php?repname=mkgmap&rev=3649
> effectively removed the support for type=through_route relations,
> which was not intended.
> I wonder if I should simply remove the rest of the code or if I
> should try to make it work again.
> There are only 116 relations : 
> https://taginfo.openstreetmap.org/relations/through_route
> so I'd prefer to remove the code. My understanding is that the code
> was used as a work around for some wrong code that 
> calculated the initial heading value.
> 
> Gerd
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