<div dir="ltr"><div dir="ltr">> should the entirety of the underlying area be tagged landuse=farmland or landuse=residential?</div><div dir="ltr"><br></div><div>Neither: just tag the areas that are used for residences as landuse=residential, and the area used for farming (mostly crops) as landuse=farmland.</div><div><br></div><div>In OpenStreetMap we want to map what is actually there, not the zoning or legal landuse or property boundaries. </div><div><br></div><div>This might change next year, just like an unmown meadow may change back into scrubland, and then eventually into woodland, or how a river will meander over time. </div><div><br></div><div>Map what is there in reality right now, to your best ability. If people want to know the legal zoning or property boundaries there are plenty of data sources for that information, but OpenStreetMap is valueable because it provides local knowledge of what is really there.</div><div><br></div><div>–Joseph Eisenberg</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Jun 2, 2020 at 1:19 PM stevea <<a href="mailto:steveaOSM@softworkers.com">steveaOSM@softworkers.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-style:solid;border-left-color:rgb(204,204,204);padding-left:1ex">Mateusz Konieczny <<a href="mailto:matkoniecz@tutanota.com" target="_blank">matkoniecz@tutanota.com</a>> wrote:<br>
> I think that it is not a good assumption. One may have a property boundary that is partially landuse=residential and partially landuse=industrial/farmland<br>
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I have mentioned before that the values OSM documents for the landuse key, while good, are incomplete with the great richness by which the world recognizes and categorizes these. Here, Mateusz mentions a "triple" where residential, industrial and farmland exist together (or perhaps "double" where the latter two are blended, a certain kind of "single" activity, so when the residence is added, this makes two distinct landuses in total).<br>
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I myself have mentioned what are locally known as "residential / agricultural" areas, which I characterize as a "live on family farm." These consist of a residence (house) and small (one to ten hectares) or medium-to-large (ten hectares and larger) areas where a wide variety of agriculture either can or might take place. Some areas are substantially tree-covered and give rise to wild mushroom gathering, what I am told is a "fruits of the forest" activity, not "farmland." On these (especially in clearings, grassland/meadow areas), I often find landuse=greenhouse_horticulture, landuse=orchard and landuse=vineyard areas which "crop up" and appear in imagery. Because OSM has specific tags for these, I tag them as I see them. However, should the entirety of the underlying area be tagged landuse=farmland or landuse=residential? The truth is, "they are both," but OSM hasn't a landuse=live_on_family_farm_that_gives_rise_to_tree-planting_viticulture_and_hothouses tag.<br>
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Getting the entirety of the world to agree upon values which seem very highly locally-dependent and articulated seems difficult. The alternative is to have our renderers only approximate the tagging mappers are encouraged to "shoehorn" into, given these many, often subtle, landuse distinctions.<br>
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Another complicating factor is "actual landuse" vs. "potential landuse," (does take place vs. can or might take place) where some say to "tag only what is actual." Others see this approach as a removal of land rights, further muddying what OSM means by landuse.<br>
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These issues truly are complicated, I believe it is easy to agree.<br>
<br>
SteveA<br>
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