On Wed, Mar 5, 2008 at 10:39 AM, Steve Hill <[EMAIL PROTECTED]> wrote:
>  It seems to be affecting all the blank tiles (i.e. no ways, points, etc
>  crossing them).  Does Mapnik try to do anything "smart" when dealing with
>  blank tiles (e.g. using a prerendered tile instead of re-rendering each
>  one individually - if that's the case, maybe the prerendered tile is
>  broken </blind-spectulation>).

No, mapnik does nothing special in that case. However, if you're using
old coastline data to render the background then some wierd wrapping
effects might be causing your problems.

Have a nice day,
-- 
Martijn van Oosterhout <[EMAIL PROTECTED]> http://svana.org/kleptog/
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