M∡rtin Koppenhoefer napsal(a): > 2010/5/6 "Petr Morávek [Xificurk]" <xific...@gmail.com>: >> To the proposed solutions in this thread: >> * highway=pedestrian, area=yes - It doesn't really make sense to me to >> tag private fenced and _green_ areas by highway tag. > > > sure, for green areas it isn't, for paved ones it IMO is.
Yeah, but as the thread says - we are talking about the green ones ;-) > >> * surface=grass, surface=lawn, surface=whatever - I don't like this >> because what I really want to map is not that my neighbour has a lawn >> behind his house, but the fact that there is a private "green" property > > > add access=private? You missed the point - I don't want to add the information about the surface, I just want to say that this area is a backyard/garden around family house. >> - I think it makes no sense to try to map and tag every piece of these >> areas like "this" is grass, "this" is a bed of carrot, "there" are >> roses, "here" we have some bushes etc. > > > why not? As long as people do want to do this and only tag what is > there, I don't have a problem with it. Well, the first problem is that the surface may change during quite a short period of time, so it doesn't really make much sense to try to map it all and the idea of keeping that data up to date is crazy. Second problem is that, personally when I look at the map, I would like to know that "here" behind the fence is grass, maybe some plants or trees, but I really don't care if it is a bed of carrot, roses, or tomatos... or it's only plain grass. >> * leisure='garden' or leisure='park' - see above > > > leisure=park is not the right choice, sure. But leisure=garden could > IMO qualify. a) because it is at least in some areas common practise > ;-) and b) the size of the garden is already determined by the size of > the polygon. > > If you use this tag only for huge gardens of estates/castles it is > more or less useless and hard to tell the difference from a park. > Parks also have sometimes fences around them, limited access, no > access, fee for access, castles / mansions and others inside them. Big > gardens are basically parks! > > Gardens on the other hand can be completely different, from french > barocque gardens to English gardens to zen gardens (not even green). > All of them are usually much bigger then the usual detached house > garden, and can therefore simply be differentiated automatically just > by their size (e.g. mapnik can do this without any "additional > processing" just by standard rules). For human readers of the map it > is even easier. I would like to see a difference in tagging the grassy area with small basin (I wouldn't call this garden and neither would anyone who follows description on OSM wiki) and "real" garden, both can be the same size. Furthermore, it's not really true that you can with certainty differentiate large gardens from a family house backyard, because it's common practice to tag the whole block of these properties together with leisure='garden', so that a lot of small "gardens" is joined into one polygon. Best regards, Petr Morávek
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