Forward to list... ---------- Forwarded message ---------- From: D Tucny <[email protected]> Date: 2009/3/9 Subject: Re: [OSM-talk] Multilingual map To: "Robert (Jamie) Munro" <[email protected]>
2009/3/9 Robert (Jamie) Munro <[email protected]> > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > D Tucny wrote: > > Hi folks, > > > > I've been thinking about how it would be good to have the map available > > in multiple languages... I think the easiest way to do this with what we > > have is using a captionless base layer and transparent caption layers > > for each of the languages... So... I put this thinking into practice and > > put together a proof of concept at http://osm.newportcoastsoftware.com > > > > There is a single base, captionless layer and 40 transparent caption > > layers, all available only to zoom 8. > > That's great, but would it be possible for the individual language > layers to fall back to local where a name is not given in a particular > language? > With my first go a couple of weeks back for 8 languages I did do fallback to at least 'name' using views as suggested on the wiki, setting this up for 40 languages however was somewhat less trivial and I felt that there would be a benefit to being able to display languages with no fallback... I'll have a look to see about adding additional layers with fallback... > > How much storage do the caption layers take compared to the data? > All blank tiles are removed after rendering and replaced with symlinks to land/sea/transparent tiles... For the captionless layers disk usage (in KB) is... 68 0 144 1 384 2 1072 3 3236 4 11420 5 37764 6 140656 7 518544 8 713288 (or 696MB) For the caption layers... 585276 defcap 561076 arcap 560028 cscap 561132 cycap 559680 czcap 559824 dacap 562064 decap 560160 elcap 566132 encap 562140 eocap 560500 escap 561532 ficap 561000 frcap 559828 gacap 560056 hecap 559920 hicap 559916 hrcap 562472 hucap 559900 iscap 560552 itcap 560276 jacap 559752 ja_rmcap 559676 klcap 559944 kocap 560340 lacap 560240 ltcap 560188 lvcap 560284 nlcap 560620 plcap 559988 rocap 561140 rucap 559964 skcap 560072 slcap 560028 srcap 560160 svcap 559940 thcap 559924 ukcap 564112 zhcap 564088 zh_pycap 561240 zh_pytcap So each caption layer is about 546MB with the default one being slightly larger at 571MB... d
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