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<div><br></div><div><br></div><div><br></div><div>Feb 15, 2021, 10:08 by dieterdreist@gmail.com:<br></div><blockquote class="tutanota_quote" style="border-left: 1px solid #93A3B8; padding-left: 10px; margin-left: 5px;"><div dir="ltr"><div dir="ltr"><br></div><div><br></div><div class=""><div class="" dir="ltr">Am So., 14. Feb. 2021 um 21:42 Uhr schrieb Bert -Araali- Van Opstal <<a href="mailto:bert.araali.afritastic@gmail.com" rel="noopener noreferrer" target="_blank">bert.araali.afritastic@gmail.com</a>>:<br></div><blockquote style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex" class=""><div bgcolor="#FFFFFF"><p><span class="font" style="font-family:Verdana">Is this a role or a guideline then, not
clear to me, how do we call it?</span><br></p><p><a target="_blank" href="https://wiki.openstreetmap.org/wiki/One_feature,_one_OSM_element" rel="noopener noreferrer">https://wiki.openstreetmap.org/wiki/One_feature,_one_OSM_element</a><br></p></div></blockquote></div><div><br></div><div><br></div><div><br></div><div><br></div><div>I don't recall if this was discussed, but the requirement to have only one "main" tag was introduced just "recently" (less than 2 years ago) to this page: <br></div><div><a href="https://wiki.openstreetmap.org/w/index.php?title=One_feature%2C_one_OSM_element&type=revision&diff=1873923&oldid=1873154" rel="noopener noreferrer" target="_blank">https://wiki.openstreetmap.org/w/index.php?title=One_feature%2C_one_OSM_element&type=revision&diff=1873923&oldid=1873154</a><br></div></div></blockquote><div>I modified it a bit just now:<br></div><div><br></div><div><a href="https://wiki.openstreetmap.org/w/index.php?title=One_feature,_one_OSM_element&diff=2111436&oldid=2099808">https://wiki.openstreetmap.org/w/index.php?title=One_feature,_one_OSM_element&diff=2111436&oldid=2099808</a><br></div><div><br></div><div>From<br></div><div>"Ideally, every OSM element or object should be tagged with only one main feature tag"<br></div><div>to<br></div><div>"Ideally, every OSM element or object should be tagged with only one main feature"<br></div><div>as double tagging (multiple synonymous tags used at once) is broadly accepted,<br></div><div>from what I know.<br></div><blockquote class="tutanota_quote" style="border-left: 1px solid #93A3B8; padding-left: 10px; margin-left: 5px;"><div dir="ltr"><div>Clearly the one tag-rule is not currently followed, you can find millions of objects tagged as building=* plus something like amenity=* or shop=*, office=* etc. or barrier=* together with tags for an area, like landuse, amenity etc.<br></div></div></blockquote><div>It would be worth mentioning on that page.<br></div><blockquote class="tutanota_quote" style="border-left: 1px solid #93A3B8; padding-left: 10px; margin-left: 5px;"><div dir="ltr"><div>If you look at the combinations of man_made=* there are also 1,67% combinations with highway (what's that?).<br></div></div></blockquote><li>highway=footway<br></li><li>man_made=pier<br></li><li>(valid)<br></li><li><br></li><li>highway=toll_gantry<br></li><li>man_made=surveillance<br></li><li>(valid)<br></li><li><br></li><li>highway=tertiary<br></li><li>man_made=bridge<br></li><li>(invalid, but just 1571 worldwide, probably fixable within few hours)<br></li><li><br></li><li>You can find more using <a href="http://overpass-turbo.eu/s/13DP">http://overpass-turbo.eu/s/13DP</a><br></li><div><br></div> </body>
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