[Tilesathome] Wood partially not rendered correctly

[Patrick Kilian]

Hi,

>> a wood I drew in Poland, Mazury, seems not to get rendered correctly in
>> parts. Did I do something wrong or does it depend from some rendering
>> rules?
>> See http://tinyurl.com/dkadnt and south.
>> (informationfreeway, sfw)
> 
> I don't think you did anything wrong.  This is caused by the way t at h
> and the API work.  When a client renders a tileset it downloads the
> OSM data for the area of a z12 tile plus a safety margin from the
> API.  The API returns all objects that have at least one node inside
> the downloaded bounding box.  Those 7 tiles in the center of your wood
> are completely enclosed by the outline of the wood.  Therefore the API
> won't return it and the client won't know about it.
One solution to this would be to split the forest into smaller polygons
(preferably along ways, rivers or lakes) so that every z12 tile contains
nodes of the wood polygons covering it.

Patrick "Petschge" Kilian