[mkgmap-dev] Turn restrictions with role=via ways

Mon Mar 17 10:02:01 GMT 2014

Hi Marko,

I'll have a look at it.

Gerd

> Date: Fri, 14 Mar 2014 00:03:43 +0200
> From: marko.makela at iki.fi
> To: mkgmap-dev at lists.mkgmap.org.uk
> Subject: [mkgmap-dev] Turn restrictions with role=via ways
> 
> Now, with all these routing improvements, I wonder if it would be 
> possible to extend our support for turn restrictions.
> 
> Some mapper seems to prefer via ways to via nodes in this crossing:
> 
> http://www.openstreetmap.org/way/30692839
> 
> This 2-node way is a role=via member of a no_u_turn restriction that has 
> 4 ways as members: from,via,via,to. It is also a role=via member of a 
> no_left_turn restriction.
> 
> The no_u_turn restriction could have been mapped with three ways as 
> from,via,to and the no_left_turn could have been mapped with having this 
> way as role=from, and a node as role=via. Even if I changed the map like 
> that, mkgmap would still ignore the no_u_turn, because the role=via 
> member would be a way.
> 
> So, I wonder if we could start supporting this style of mapping? There 
> are lots of dual carriageways in city areas where such turn restrictions 
> are common, at least for no_u_turn.
> 
> 	Marko
> _______________________________________________
> mkgmap-dev mailing list
> mkgmap-dev at lists.mkgmap.org.uk
> http://www.mkgmap.org.uk/mailman/listinfo/mkgmap-dev

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://www.mkgmap.org.uk/pipermail/mkgmap-dev/attachments/20140317/bcf5397a/attachment.html>