Hi,

Eamorr wrote:
> As can be seen from the following images, the rendering is perfectly fine:

[...]

> As can be seen, the roads are no longer drawn, but the road names and
> parklands, etc. are shown.

The select query that is done to collect the roads may be different on 
those zoom levels. It is possible that for some reason the query fails, 
giving you tiles without roads.

If you're using OSM data, this is likely to happen if you use an older 
osm2pgsql style file (say, one that does not produce a "service" column 
on the roads table) but use a recent Mapnik style (which depends on the 
"service" column being present). Your Postgres log file should inform 
you of any failed queries.

Bye
Frederik

-- 
Frederik Ramm  ##  eMail [email protected]  ##  N49°00'09" E008°23'33"
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