Key:seamark:gate:category

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Public-images-osm logo.svg seamark:gate:category
Description
Types of gates on a waterway Show/edit corresponding data item.
Group: marine navigation
Used on these elements
may be used on nodesmay be used on waysshould not be used on areasshould not be used on relations (except multipolygon relations)
Requires

seamark:type=gate

Status: in use

This key is used in conjunction with seamark:type=gate and indicates the type.

How to map

Set a node node or draw a line way where the gate is and add:

Values

seamark:gate:category=* Definition Example Count
flood_barrage A flood barrier.

See also waterway=security_lock.

Eidersperrwerk ty20060715r0012451.jpg

caisson A steel structure used for closing the entrance of locks, wet and dry docks.

lock A massive hinged door at each end of a lock.

See also waterway=lock_gate.

JesusGreenLock-Cambridge.jpg

sluice A sliding gate or other contrivance for changing the level of a body of water by controlling the flow into or out of it.

See also waterway=sluice_gate.

Absperrschütz in Ulm.jpg