[Talk-ca] Geobase related fixes needed in Mapnik and Maplint

[Richard Weait]

On Thu, Aug 27, 2009 at 2:36 PM, Pierre-Luc
Beaudoin<pierre-luc at pierlux.com> wrote:
> On Wed, 2009-08-26 at 14:18 +0200, Lennard wrote:
>> Mapnik doesn't even _get_ to see the geobase:* tags, and even if it
>> had access to them, wouldn't do anything with those. It only repeats
>> the labels and signs because these *are* actually separate ways, both
>> in the OSM database, as in the PostGIS database that mapnik queries.
>
> Oh! Thanks for the enlightenment.  Can't we improve it then to not
> render repeated signs for prettier map output?  See the 360 on this map
> http://www.openstreetmap.org/?lat=47.1061&lon=-70.8097&zoom=12&layers=B000FTF

Mapnik already supports this for highway shields with the min_distance
parameter.

<ShieldSymbolizer name="ref" face_name="DejaVu Sans Bold" size="11"
fill="#809bc0" placement="line" file=
"/home/username/mapnik/symbols/motorway_shield1.png" type="png"
width="17" height="17" min_distance="120"/>