[OSM-talk] Updating of slippy map

Dirk-Lüder Kreie osm-list at deelkar.net
Fri Dec 15 23:05:56 GMT 2006


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Steve Chilton schrieb:
> Thanks for the offer. I will see how I get on first before troubling you.
> Incidentally, can you expand on your "data is of mixed quality" comment?
> Is there something the project should be addressing here?
>  
> Cheers
> STEVE

No sorry that was due to a lack of words (I'm not a native english
speaker). The tiles are not from a single dataset like the mapnik layers
that are generated from a single database dump, but the tiles represent
what was available when the tile was rendered. Additionally the tiles
are rendered at very different times so you might get tiles a few hours
old next to tiles weeks old (but not necessarily outdated).
Then there have been some changes in the rendering, patches to
osmarender for example, that affected the visual outcome, together with
the fact that some tiles get updated more often than others that *may*
lead to a strange appearance on the map.

And you are not really troubling me with requests. I am working on a
jobserver (first only for my 4-5 renderers) that can take requests
automatically.
Furthermore experience shows that the tiles at home crowd can render faster
than the Requests api can generate new jobs, so there are times where I
am glad to have some meaningful render-work for my machines, i.e. your
requests...

HTH
Dirk-Lüder "Deelkar" Kreie
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