2014-07-14 12:44 GMT+02:00 Christian Quest <cqu...@openstreetmap.fr>:
> On the first zoom levels, I'm using the capital=* tag to select the > country capitals, then sorting them with decreasing population. > It is a very small number of objects, that can easily be maintained. > this works not too bad for Europe, but fails e.g. for the US, where just Washington appears in Zoom 5, but New York City takes up to zoom level 11 (!) till it gets spelled out, while there is already NYC (short name) in zoom 6 together with a sea of more or less unimportant (at that zoom level) cities http://tile.openstreetmap.fr/?zoom=6&lat=40.74623&lon=-75.75272&layers=B0000000FFFFFFF San Francisco is hard to find, L.A. doesn't appear before zoom 10 (but is hard to spot due to its brevity), and spelled out at zoom 11. But also in Europe there are some serious problems, e.g. Zurich (typical hard case, OK) isn't there at zoom6, unlike "Clermont-Ferrand", "Brive-la-Gaillarde", or the famous "Ebingen" on the Swabian Alb ;-) IMHO we shouldn't use such a simple approach for the main style. An alternative to the "opaque" Natural Earth dataset might be a community-generated ranking based on a series of criteria (I named many in my previous post), and which is continuously discussed, modified and voted upon ;-), or a detail ranking for some subjects with relative ranks (i.e. more detailed ranking not mixing up religion and economy in one overall ranking, but having detailed ranking to mirror relative importance in fields like trade, production, transportation, banking, religion, culture, health, public administration, education (e.g. universities), .... so everybody creating a map can decide what matters to them. Or we could use some other external dataset, e.g. "important" cities according to the analysis of someone else (usually economy centered), see e.g. here: http://en.wikipedia.org/wiki/Global_city cheers, Martin
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