Hi,

I'm new to Mapnik having taken over a project from a colleague who has left
our firm. I'm picking things up OK and have been successfully editing the
Mapnik XML for our maps.

I have just hit my first technical issue with Mapnik. When rendering a
region with donut holes in it, the holes are ignored and the complete area
is filled by a a <PolygonSymbolzer>. I've checked the data in the PostGIS
database and using
ST_NumInteriorRings<http://postgis.refractions.net/docs/ST_NumInteriorRings.html>does
still return the current number of interior rings/donut holes. Any
ideas on what's happening? A Mapnik bug or something wrong with the data?

Cheers,
Bud
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