Hi Joseph, Le mer. 29 mai 2019 à 01:55, Joseph Eisenberg <[email protected]> a écrit :
> I'm a little confused about how to decide when to use tunnel=flooded > vs tunnel=yes with waterway=canal or other free-surface-flow > waterways. Is this tag meant to replace all instances of tunnel=yes > for large waterways, or are there situations when tunnel=yes with > waterway=canal would still be needed? > As mentioned on wiki Talk, look at those two pictures regarding waterway and tunnels : tunnel=flooded : https://wiki.openstreetmap.org/w/images/9/91/Waterway_drain_outlet.jpg tunnel=yes : https://www.pamline.com/sites/pamline_en/files/pose_en_galerie_tuyau_aep_gros_dn.jpg Additionally you can look at this for waterway=canal + tunnel=yes https://files1.structurae.de/files/photos/3076/dscn6606.jpg tunnel=flooded + man_made=pipeline isn't so recommended because it means that the pipeline is inside a flooded tunnel. It occurs when the tunnel is dug under groundwater level (I know at least one tunnel like this in Paris) Or here as a penstock runs inside an underground tailrace canal : https://www.openstreetmap.org/way/319267776 Nevertheless, this doesn't solve situations like this : https://www.guerrillaexploring.com/gesite/public_html/images/guerrilla/GES011/GES011-11.jpg Many pipes and cables are in the same tunnel, like many bike lanes, car and bus lanes are on the same bridge. Hope it helps François
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