[mkgmap-dev] Runways on highways

Sun Jun 6 22:45:36 BST 2010

Hi Marko

Wouldn't it be better to amend the tagging in OSM to accurately describe 
what is actually on the ground? - road the majority of the time, runway, 
the minority.

I maybe wrong, but it appears your using mkgmap to paper over the cracks 
in OSM.

Cheers
Dave F.

Marko Mäkelä wrote:
> Someone notified me that this highway that serves as a temporary runway 
> during military exercises is not being considered for routing:
>
> http://www.openstreetmap.org/browse/way/45772320
>
> aeroway = runway
> highway = primary
> name = Turuntie
> ref = 41
>
> The obvious reason is that in styles/default/lines, aeroway=runway comes 
> before any highway=* tags. I confirmed the non-routeability on my Edge 
> 705, and my fix sort of worked:
>
> Index: resources/styles/default/lines
> ===================================================================
> --- resources/styles/default/lines	(revision 1652)
> +++ resources/styles/default/lines	(working copy)
> @@ -8,8 +8,8 @@
>   # and http://wiki.openstreetmap.org/wiki/Mkgmap/help/Custom_styles
>   # for more information.
>   
> -aeroway=runway [0x27 resolution 20]
> -aeroway=taxiway [0x27 resolution 24]
> +aeroway=runway [0x27 resolution 20 continue]
> +aeroway=taxiway [0x27 resolution 24 continue]
>   
>   # Contours take their name from the elevation setting.
>   contour=elevation & contour_ext=elevation_minor
>
> I would have preferred to see the runway on top of the highway, but the 
> Edge 705 rendered only the highway. In other words, the Garmin line for 
> the aeroway=runway object is just wasting memory. QLandkarteGT showed 
> both lines on top of each other.
>
> I think that we should just move the aeroway=* rules below highway=* so 
> that any highways that serve as temporary airfields will be translated 
> as highways. Any objections to that? Are there any aeroway=* that are 
> also tagged as highway=service, for example? Should they require some 
> special treatment?
>
> 	Marko
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