<div dir="ltr"><div dir="ltr"><br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">Am Mi., 15. März 2023 um 14:01 Uhr schrieb Mateusz Konieczny via talk <<a href="mailto:talk@openstreetmap.org">talk@openstreetmap.org</a>>:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
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<div><br></div><div><br></div><div><br></div><div>Mar 15, 2023, 10:21 by <a href="mailto:dieterdreist@gmail.com" target="_blank">dieterdreist@gmail.com</a>:<br></div><blockquote style="border-left:1px solid rgb(147,163,184);padding-left:10px;margin-left:5px"><div dir="ltr"><div>I'd prefer "surface:material" compared to "material", it is in modest use (800) <a href="https://taginfo.openstreetmap.org/keys/surface%3Amaterial" rel="noopener noreferrer" target="_blank">https://taginfo.openstreetmap.org/keys/surface%3Amaterial</a><br></div><div>because the "highway" represents not just the surface.<br></div></div></blockquote><div dir="auto">material represents primary material of object and surface of road/path/square<br></div><div dir="auto">seems to fit here well.<br></div><div dir="auto"><br></div><div dir="auto">What would be benefit for surface:material over material anyway?<br></div><div dir="auto">Which other tags would be added that are infeasible with material?<br></div></div></blockquote><div><br></div><div><br></div><div>not sure, maybe bridge? currently there are 10622 instances of material and surface on the same object, the combination or surface with surface:material (or surface.material or surface_material) is used 2200 times.</div><div> <a href="https://taginfo.openstreetmap.org/keys/surface#combinations">https://taginfo.openstreetmap.org/keys/surface#combinations</a></div><div><br></div><div><br></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><div dir="auto"></div><div dir="auto">If someone really wants they can add surface:curb:left=granite <br></div></div></blockquote><div><br></div><div><br></div><div>this is where I think it could be subtagged, <br></div><div>material=stone (180.000 uses)<br></div><div>stone=granite/sandstone/andesite/limestone/marble (minor organic use) <a href="https://taginfo.openstreetmap.org/keys/stone">https://taginfo.openstreetmap.org/keys/stone</a></div><div><br></div><div>surface is not just about a material (as is granite), it is about the kind of shape/pieces, unhewn_cobblestone, paving_stones, compacted, grass_paver, cobblestone, etc.<br></div><div>There are lots of different stones in the world, even more if you look at the specific subtype, IMHO these should not be used as individual values in the first order ("material")<br></div></div></div>