[mkgmap-dev] Keep left/right to xxx

Wed Mar 4 22:56:08 GMT 2009

Hi Michel,

> Mark Burton wrote:
> > highway=motorway_junction { name '${ref} ${name}' | '${ref}' | '${name}' }
> > highway=motorway_junction [0x2000 resolution 16]
> > 
> > It's probably not the whole answer because when I tried it out in
> > mapsource, the exit name wasn't mentioned in the routing instructions.
> > 
> > It would be good if someone tried out routing via a motorway exit using a map
> > generated with the above addition to points to see if a real GPS
> > mentions the exit by name or not - I suspect it won't but maybe we'll
> > be lucky.
> 
> Tried that on my Nuvi 250 (first with 0x2000 and then 0x2700) neither of 
> those seem to have any effect.

Well, not much effect it's true. As far as I can see they make the exit
visible but it's not yet findable.

> However, changing highway=motorway_link from 0x01 to 0x09 (meaning 
> "Highway exits and connecting ramps" (according to 
> http://www.malsingmaps.com/wiki/index.php/POI_and_Road_object_Reference))
> triggers some additional instructions (e.g. keep right onto 
> <motorway-name/ref>).

That's worth having. We may as well also change the code for trunk_link
to be the same.

Cheers,

Mark