[mkgmap-dev] [PATCH v1] Destination completion

Fri Nov 2 15:03:14 GMT 2012

Hi,

attached is a patch that implements the proposed completion of the 
destination tag.

It can be enabled with the --enable-destination-completion

The code logs which ways are additionally tagged with destionation and 
which are skipped:
uk.me.parabola.mkgmap.reader.osm.LinkDestinationHook.level=INFO

Please give it a try. Maybe someone find some additional useful rules 
how to complete the destination tag.
At the moment only a "forward" completion is performed, i.e. for all 
*_link ways the destination tag is copied to all connected ways in 
driving direction. This is not done if the connected way has itself 
multiple connections.

WanMil

> Hi,
> I added following lines to my style file in order to display the
> "destination"-Tag on motorway-junctions:
>
> ----------
>
> # Set the routing direction
> (highway=motorway|highway=motorway_link) & destination=* { add
> display_name = '${ref} (${destination})' }
> (highway=trunk|highway=trunk_link)       & destination=* { add
> display_name = '${ref} (${destination})' }
>
> # Set highway names to include the reference if there is one
>
> ----------
>
> This works well (see pictures [2] and [3]), but:
>
> When using the Garmin Types 0x08 and 0x09 (Ramp), Garmin is
> evaluating the first way behind all the _link ways.
>
> This is not what is stated in the wiki [1]. In most cases,
> only the _link ways are tagged.
>
> So the idea is a new mkgmap option --process-destination
> which does following pre-processing:
>
> For all _link ways which have a destination-Tag copy the
> tag to the following non-link way (motorway or trunk).
>
> Chris
>
> [1] http://wiki.openstreetmap.org/wiki/Key:destination
> [2] http://up.picr.de/11670098jg.png
> [3] http://up.picr.de/11670102jj.png
>
>

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