Seamarks/Gates

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Seamark Tagging
General Information
Tags
Schema
Objects, Usage
Categories of Objects, Attributes
INT-1 Cross Reference
Inland (CEVNI)



Gates

For routing purpose, the tag should be placed on the waterway.

This page defines tags for the attributes of gates.

Type S100 code seamark:type Definition Usage
Gate GATCON gate A structure that may be swung, drawn, or lowered to block an entrance or passageway. seamark:type=gate

This page defines values for the "seamark:gate:category" tags and other attributes applied to fog signals.

Categories

Category (CATGAT) seamark:gate:category Definition Example Usage
Gate in general general Non-specific gate seamark:gate:category=general
Flood barrage gate flood_barrage An opening gate used to control flood water. DEK Datteln Kanalsperrtor.jpg seamark:gate:category=flood_barrage
Caisson caisson A steel structure used for closing the entrance of locks, wet and dry docks. seamark:gate:category=caisson
Lock gate lock Lock gates are the massive hinged doors at each end of a lock. JesusGreenLock-Cambridge.jpg seamark:gate:category=lock
Dyke gate dyke An opening gate in a dyke. seamark:gate:category=dyke
Sluice 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. seamark:gate:category=sluice

Other Attributes

Attribute seamark:gate:<attribute> Value type Definition Usage
Horizontal clearance (HORCLW) clearance_width Decimal The width that is available for safe navigation. seamark:gate:clearance_width=*
Vertical clearance (VERCLR) clearance_height Decimal The vertical clearance measured from the surface plane towards the object overhead. seamark:gate:clearance_height=*

See also

References

OSM Seamark Resources

Seamark Tag Values(en)
Seamark Objects(en)
Seamark Attributes(en)
Categories of Objects(en)
INT-1 Cross Reference(en)
Inland waterway notice marks (CEVNI)(en)
Inland waterway lateral marks (CEVNI)(en)

External sources

S-101 ENC/iENC registry (iho.int), the ENC Data Classification and Encoding Guide (DCEG) can be downloaded as zipped PDF, online access to symbols in Portrayal Register
International nautical chart symbol legend (Chart INT-1, NOAA)
Encoding Guide for Inland ENCs (openecdis.org, 2018), an international standard of the Inland ENC Harmonization Group is currently in development (IEHG Publication S-401, 2019)
European Code for Inland Waterways (CEVNI), (UNECE, Fifth revised version 2015)
European Code for Signs and Signals on Inland Waterways (SIGNI), (UNECE Resolution N0. 90, 2018)