<html><head></head><body><div style="font-family:verdana, helvetica, sans-serif;font-size:13px;"><div style="font-family:verdana, helvetica, sans-serif;font-size:13px;"><div><div>Hi John,</div><div><br></div><div>In Overpass-turbo, with the following Query it is possible to select any bbox and extract. The <span>query will retain only buildings where duplicated tag on the chlid nodes. </span>For this example in N'Djamena, other then the duplicate, we see that the OSM contributor added various unnecessary tags on the nodes</div><div><span><a href="http://overpass-turbo.eu/s/A9c" rel="nofollow" target="_blank">http://overpass-turbo.eu/s/A9c</a></span></div><div><br></div><div>example</div><div><span> <node id="2690769234" lat="12.1258219" lon="15.0788203" version="1" timestamp="2014-02-26T07:23:11Z"><br> <tag k="building" v="cle"/><br> <tag k="date" v="25/02/2014"/><br> <tag k="source" v="bING"/><br> </node></span><br></div><div class="ydpa202a62fsignature"><span style="font-style:italic;color:rgb(0, 0, 191);font-weight:bold;"> <br><font face="garamond, new york, times, serif">Pierre </font><br></span></div></div>
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Le dimanche 8 juillet 2018 10 h 11 min 23 s HAE, john whelan <jwhelan0112@gmail.com> a écrit :
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<div><div id="ydpdaa16d49yiv0695827250"><div dir="ltr"><div class="ydpdaa16d49yiv0695827250gmail_default" style="font-family:verdana, sans-serif;font-size:small;">I'm seeing a fair number of these especially in CHAD. Could someone do an overpass or whatever to see how big a problem it is? <br></div><div class="ydpdaa16d49yiv0695827250gmail_default" style="font-family:verdana, sans-serif;font-size:small;"><br></div><div class="ydpdaa16d49yiv0695827250gmail_default" style="font-family:verdana, sans-serif;font-size:small;">and they were done months ago by mappers who haven't mapped recently.<br></div><div class="ydpdaa16d49yiv0695827250gmail_default" style="font-family:verdana, sans-serif;font-size:small;"><br></div><div class="ydpdaa16d49yiv0695827250gmail_default" style="font-family:verdana, sans-serif;font-size:small;">Thanks John<br></div></div></div>_______________________________________________<br>HOT mailing list<br><a href="mailto:HOT@openstreetmap.org" rel="nofollow" target="_blank">HOT@openstreetmap.org</a><br><a href="https://lists.openstreetmap.org/listinfo/hot" rel="nofollow" target="_blank">https://lists.openstreetmap.org/listinfo/hot</a><br></div>
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