[mkgmap-dev] [PATCH] improve handling of access restrictions in osm routing

Fri Feb 13 17:30:23 GMT 2009

With this patch applied to r878 I was still instructed to turn right at
a no right turn restriction

The relation editor in josm shows the following

restriction no_right_turn
type restriction

from Fred Road (2 nodes)
to Bloggs Road (12 nodes)
via 123456789 (53.0000, -2.0000)

I can see no error in this when compared to other turn restrictions
except possibly that Fred Road is halfway along Bloggs Road and though
there is obviously a node at this point Bloggs Road is not split at the
node.

Anyone care to comment as if this is the case then there are many
restrictions added that are like that.

Thanks

Paul

Mark Burton wrote:
> Hi,
> 
> The attached patch improves the handling of access restriction tags so that
> you can now restrict on a vehicle class basis i.e. hgv=no
> 
> Not all of the OSM tags are supported as the Garmin doesn't seem to 
> recognise the existence of horses or motorcycles or taxis.
> 
> This should apply to the current nod SVN trunk. The earlier patch to
> frig roundabouts is also to the same file but they should not conflict.
> 
> Feedback, etc.
> 
> Cheers,
> 
> Mark
> 
> 
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