I appreciate that may have been a little ambiguous! We all understand that there is a balance to be struck. The real high-level concepts will give less conjecture but be less useful. If you look at how the surface of the earth is divided, we have water, natural landscapes and man-made landscapes. That is obviously too high a level to have much value. We can subdivide the man-made category, which is entirely appropriate when discussing land USE i.e. what mankind has done with it. Residential/agricultural/industrial might be a first-order subdivision. But each of these can be further subdivided - residential could be sparse or dense, normal houses or apartment blocks etc. Agricultural could be arable vs. dairy etc etc. Each category can be subdivided further, like a kind of fractal. But there comes a point when we have to say we have enough detail. The finer the detail, the more objects we will have. A small town may have a single "residential" area, but if you go down a level, it may need hundreds, which will also change far more frequently that the single residential area.
This subdivision is not only about the geometry, but also about the level of detail in the landuse values. The more choices, the more discussion, the more objects and the more maintenance. We should define what level is appropriate for OSM. Potentially giving every building or plot of land its own landuse polygon is too much. I think giving the areas used by the "public highway" in residential areas their own landuse=highway is also too much. landuse=residential feels about right to me, and landuse=apartments is probably also going too far. landuse=industrial feels about right for an industrial estate, but landuse=car_dealer is too much. landuse=retail would be good for a mall, but landuse=shoeshop is too detailed. //colin On 2016-02-19 16:46, Martin Koppenhoefer wrote: > 2016-02-19 14:57 GMT+01:00 Colin Smale <colin.sm...@xs4all.nl>: > >> I don't think anyone is expecting low-level, detailed categories to get into >> OSM. > > aren't the tags exactly these? > > Cheers, > Martin > _______________________________________________ > Tagging mailing list > Tagging@openstreetmap.org > https://lists.openstreetmap.org/listinfo/tagging
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