On Wed, Jul 22, 2009 at 8:48 PM, Ævar Arnfjörð Bjarmason <ava...@gmail.com>wrote:
> On Wed, Jul 22, 2009 at 7:08 PM, Mikel Maron<mikel_ma...@yahoo.com> wrote: > >> The rest are now up at http://cassini.toolserver.org/tile-browse/ > > > > These are great!! > > (though I think we may just have crashed your renderd with loads of > > requests) > > That was part of the plan:) Let's see how it does with added caching > though. > > > I realize this is just a proof of concept, but is this generally your > plan > > right now, > > to generate tile sets for every language, with caching? > > Yes but on-demand as they're added to pages on Wikimedia projects with > the Slippy Map extension. We're not aiming for having a general > purpose google-maps-alike in 279 languages but rather just a way for > users to embed maps into articles in their language. > > Those articles will each have their own peephole view of the planet so > hopefully we won't have to generate a huge amount of static maps / > tiles for each language. > > > Since the underlying geometries are the same for all tiles, and only the > > text changes, > > one thought has been to decouple these into different tile sets (geoms > and > > various localised text tiles), > > which are then combined on the server before pushing out, or on the > client > > in OL. > > Yeah a basemap + text would be neat. But I couldn't find a way to do > it so I thought I'd try the brute-force way first and see how it > works. > ti...@home uses this technique of a basemap with no captions and a text layer for lowzoom tiles (z1 through z6) . Currently they are combined on the server to create a composite image using some GD library I think. This seems to works very well and avoids duplicating the most compute intensive part of generating a map tile. Etienne > > > This would reduce space requirements, and load on the database. > > Not sure how much more cost it is to overlay the text on geom tiles, on > the > > server, > > but there are possibly clever ways to make this efficient. > > > > There's a need for this on osm.org itself. If an efficient way to > localise > > tiles can be found > > through your work on wikipedia, it's all very good! > > _______________________________________________ > talk mailing list > talk@openstreetmap.org > http://lists.openstreetmap.org/listinfo/talk >
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