Matthias Julius <[email protected]> writes:

> malenki <[email protected]> writes:
>
>> 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...@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.

My immediate reaction is that getting only data for the tile area is
incorrect; one also needs all ways that denote areas if any of those
areas overlap with the tile.

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