<div><div dir="auto">It is best to use ruins:building= because a ruin is not a building in the usual sense or in how the tag “building” is used in Openstreetmap.</div></div><div dir="auto"><br></div><div dir="auto">General, all values of “building=“ have an intact roof.</div><div dir="auto"><br></div><div dir="auto">If the roof of a structure has collapsed, it would be misleading to use the key “building=“</div><div dir="auto"><br></div><div dir="auto">-Joseph Eisenberg</div><div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, Feb 7, 2020 at 9:12 AM Andrew Harvey <<a href="mailto:andrew.harvey4@gmail.com">andrew.harvey4@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div dir="ltr">On Fri, 7 Feb 2020 at 10:47, Paul Allen <<a href="mailto:pla16021@gmail.com" target="_blank">pla16021@gmail.com</a>> wrote:<br></div><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">On Thu, 6 Feb 2020 at 23:29, Andrew Harvey <<a href="mailto:andrew.harvey4@gmail.com" target="_blank">andrew.harvey4@gmail.com</a>> wrote:<br><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><br><div class="gmail_quote"><div><div>I disagree with the whole premise. To me both building=yes+ruins=yes and ruins:building=yes means exactly the same thing and should be interpreted the same way. </div></div></div></div></blockquote><div><br></div><div>But they AREN'T. The way you suggested was the correct way to tag a ruined</div><div>building DOES NOT RENDER. And you never even noticed, you just made a</div><div>blind assumption and told me how to do things based upon your incorrect</div><div>assumption.<br></div></div></div></blockquote><div><br></div><div>To be honest I don't really mind if it renders on the default renderer or not, I care what the data says. People can and do make their own maps, if I want a map to show ruined buildings to capture all the data at the moment you need to check for both those tags.</div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div class="gmail_quote"><div></div><div><br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div class="gmail_quote"><div><div>You can't say on one is when you want it rendered on the map and one to hide it. That's essentially a render=yes/no tag, which I don't think has any place in OSM.</div></div></div></div></blockquote><div><br></div><div>Really? Explain to me the difference between building=yes + disused:amenity=place_of_worship and building=yes. Both</div><div>render as buildings. Neither render as a place of worship. One has additional</div><div>information that is of use to people. If you have your way, I can and WILL</div><div> decide whether or not something should render as a place of worship by the</div><div> presence or absence of amenity=place_of_worship and that tagging will be</div><div>entirely correct and match reality on the ground. You just want me to</div><div>tag in a way that loses information. I see no merit in that.<br></div></div></div></blockquote><div><br></div><div>Both mean there is an intact building there, in one case it's a place of worship that's closed down/not operating but still has some evidence on the ground that it's a place of worship. The other case, it says nothing about place_of_worship.</div><div><br></div><div>Okay so I'll ask you a question then, on the ground what's the difference between building=yes+ruins=yes and ruins:building=yes.</div><div><br></div><div>In what on the ground situation would you have one render but the other one not render?</div></div></div>
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