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<p><tt><font size="2"><br>
> > I check out my place of work in openstreetmap.<br>
> > <br>
> > I am a bit confused that the building (a tower of offices) is <br>
> represented twice. <br>
> > There is a large building footprint over the entire grounds that is tagged <br>
> > "Offices" and inside this is a smaller building footprint tagged "Building".<br>
> > <br>
> > Now, the large footprint includes carparks and gardens, so I don't<br>
> consider it <br>
> > to be a genuine building footprint.<br>
> > <br>
> > Would it be valid to get rid of the large, outer footprint?<br>
> > <br>
> > And, should the smaller footprint be tagged twice, as both a office and a <br>
> > building? Or does the tag "Office" imply that it is a "Building" anyway?<br>
> <br>
> "Offices" and "Building" are the simplified representations of the real<br>
> tagging some people think make things clearer for new people, but are<br>
> actually causing confusion like here.<br>
> <br>
> Click on "Advanced" in the lower left corner or press "T" to see the<br>
> real tagging.<br>
> <br>
> The big polygon "Offices" has the real tag landuse=commercial, so it is<br>
> not a building outline. The smaller polygon "Building" has the tag<br>
> building=yes. You can also specify what kind of building it is in the<br>
> "Basic" tab. If you pick "Office building" the smaller polygon gets the<br>
> real tag building=office.<br>
> <br>
> In other words don't delete the one off the polygons, as they map<br>
> different concepts.</font></tt><br>
<br>
<tt><font size="2">Ah, I see that slightly to the north west is a school where the school</font></tt><br>
<tt><font size="2">grounds are one big polygon and the individual buildings are building</font></tt><br>
<tt><font size="2">footprints. So that's a good example.</font></tt><br>
<br>
<tt><font size="2">I look at the tags for the building footprint in the "Basic" tab, and</font></tt><br>
<tt><font size="2">I get the option of "Building" and "Public Building" but I don't</font></tt><br>
<tt><font size="2">see the tag "Office Building"</font></tt><br>
<br>
<tt><font size="2">So the tags for the smaller polygon are;</font></tt><br>
<tt><font size="2">building = yes</font></tt><br>
<tt><font size="2">amenity = public_building</font></tt><br>
<br>
<tt><font size="2">Which I suppose is correct, since the offices are government offices?<br>
Or is amenity = public_building reserved for stuff like museums, art</font></tt><br>
<tt><font size="2">galleries and libraries?</font></tt><br>
<br>
<tt><font size="2">Cheers,</font></tt><br>
<tt><font size="2">Nick</font></tt><br>
<br>
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