Seamarks/Seamark Attributes

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Seamark attribute index

This index lists the items in the S-57 & S-101 Attribute catalogues and their OSM tag names.

Each attribute has links to the page that (hopefully) describes the tagging of the objects that use that attribute. For unclear or missing tag instructions, the underlying tagging schema is described at seamark tagging schema.

A similar index of S-57/S-101 objects that use these attributes is at seamark objects

General attributes

Value types are:

Enumeration
single valued word or underscore-separated phrase.
List
Semicolon-separated list of enumerations.
Integer
Digit string without decimal point.
Decimal
Digit string with optional decimal point and fraction.
Text
UTF-8 text string.
Attribute S-101 Attribute key Value type Applicable objects Definition
Additional mark addmrk addition List Notice marks Shape and position of an additional board on a notice mark
Bank of the waterway bnkwtw bank Enumeration Notice marks Bank of the river (waterway).
Beacon shape BCNSHP shape Enumeration beacons Describes the characteristic geometric form of the beacon.
Buoy shape BOYSHP shape Enumeration buoys The shape a buoy exhibits
Building shape BUISHP shape Enumeration buildings The specific shape of the building.
Bunker vessel availability bunves availability enumeration Bunker stations Indication of the availability of a bunker vessel.
Buried depth BURDEP depth_buried Decimal Submarine cables, pipelines, etc. The depth below the sea bed to which an object is buried.
Call sign CALSGN callsign Text Radio stations The designated call-sign of a radio station.
Class of dangerous cargo clsdng danger_class List Anchorages, anchor berths, berths Types of dangerous cargoes.
Colour COLOUR colour List Lights and painted structures The property possessed by an object of producing different sensations on the eye as a result of the way it reflects or emits light.
Colour Pattern COLPAT colour_pattern List Painted structures A regular repeated design containing more than one colour
Communication channel COMCHA channel Text Signal stations A channel number assigned to a specific radio frequency, frequencies or frequency band.
Condition CONDTN condition Enumeration Any man-made structure The various conditions of buildings and other constructions.
Conspicuous, radar CONRAD reflectivity Enumeration Any man-made structure or natural feature Relating to a features ability to be detected by radar.
Conspicuous, visually CONVIS conspicuity Enumeration Any man-made structure or natural feature Relating to a features ability to be clearly seen and identified
Direction of impact dirimp direction Enumeration Notice marks Direction of impact.
Distance of impact, downstream disipd distance_down Decimal Notice marks Downstream distance of the impact of an area, which is signed by notice marks. The distance is normally given on an additional mark left and/or right of the notice mark.
Distance of impact, upstream disipu distance_up Decimal Notice marks Upstream distance of the impact of an area, which is signed by notice marks. The distance is normally given on an additional mark left and/or right of the notice mark.
Distance from notice mark, first disbk1 distance_start Decimal Notice marks Minimum distance of the impact of an area, which is signed by notice marks. The distance is measured from the notice mark rectangular to the bank.
Distance from notice mark, second disbk2 distance_end Decimal Notice marks Maximum distance of the impact of an area, which is signed by notice marks. The distance is measured from the notice mark rectangular to the bank.
Depth range value 1 DRVAL1 minimum_depth Decimal Any relevant object. The minimum (shoalest) value of a depth range in metres.
Depth range value 2 DRVAL2 maximum_depth Decimal Any relevant object. The maximum (deepest) value of a depth range in metres.
Elevation ELEVAT elevation Decimal Any man-made structure The altitude of the ground level of an object, measured from a specified vertical datum.
Estimated range of transmission ESTRNG estimated_range Decimal Any radio or radar transmitter The estimated range of a non-optical electromagnetic transmission in nautical miles.
Exhibition condition of light EXCLIT exhibition Enumeration Lights The outward display of the light
Function FUNCTN function List Buildings, Landmarks A specific role that describes a feature.
Function of a notice mark fnctnm function Enumeration Notices Function of a notice mark.
Height HEIGHT height Decimal Any man-made structure The value of the vertical distance to the highest point of the object, measured from a specified vertical datum.
Horizontal clearance HORCLR clearance_width Decimal Waterway obstacles The width of an object, such as a canal or a tunnel, which is available for safe navigation. This may, or may not, be the same as the total physical width of the object.
Horizontal length HORLEN length Decimal Waterway obstacles A measurement of the longer of two linear axis.
Horizontal width HORWID width Decimal Waterway obstacles A measurement of the shorter of two linear axis.
Height/length units HUNITS units Enumeration Distances & heights This attribute encodes the units of measurement for heights and lengths.
Information INFORM information Text Any object or group of objects Any additional information of use to mariners
Lifting capacity LIFCAP maximum_load Decimal Cranes, boat hoists, etc The specific safe lifting capacity of an object.
Light characteristic LITCHR character Enumeration Lights The typical behaviour associated with the light
Light visibility LITVIS visibility Enumeration Lights The specific visibility of a light, with respect to the light's intensity and ease of recognition.
Marks navigational - System of MARSYS system Enumeration Buoys, Beacons & Notices The system of navigational buoyage a region complies with.
Multiplicity of lights MLTYLT multiple Integer Lights The number of lights of identical character that exist as a co-located group.
Nature of construction NATCON construction List Any man-made structure The building's primary construction material
Nature of surface NATSUR surface List Ground, seabed & obstruction objects The general material which the land surface or the sea bed is composed.
Nature of surface qualifying terms NATQUA surface_qualification List Ground, seabed & obstruction objects The nature of various forms of natural surface materials in terms of their size, morphology and consistency.
Object name OBJNAM name Text All objects or groups of objects The individual name of an object.
Orientation ORIENT orientation Decimal Directional lights, navigation lines, tracks, etc. The angular distance measured from true north to the major axis of the object.
Periodic start date PERSTA period_start Text Any object with periodic operation or installation. The start of the active period for a seasonal object (e.g., a buoy).
Periodic end date PEREND period_end Text Any object with periodic operation or installation. The end of the active period for a seasonal object (e.g., a buoy).
Pictorial representation PICREP picture Text All objects The URL of an external image file of the object.
Product PRODCT product List Objects used for production, storage & transporting of commodities. The various substances which are transported, stored or exploited.
Radius RADIUS radius Decimal Anchor Berths The vector extending from the centre to the periphery of a circular or spherical object.
Radar wave length RADWAL wavelength Text Radar transponders The distance between two successive peaks (or other points of identical phase) on an electromagnetic wave in the radar band of the electromagnetic spectrum.
Restriction RESTRN restriction List Areas The official legal statute of each kind of restricted area.
Sector limit one SECTR1 sector_start Decimal Lights, radar beacons & transponders The sector limit 1 specifies the first limit of the sector. The order of sector limit 1 and sector limit 2 is clockwise around the central object (e.g., a light).
Sector limit two SECTR2 sector_end Decimal Lights, radar beacons & transponders The sector limit 2 specifies the second limit of the sector. The order of sector limit 1 and sector limit 2 is clockwise around the central object (e.g., a light).
Signal frequency SIGFRQ frequency Integer Radio or radar objects, fog signals The frequency of a signal, in Hertz.
Signal generation SIGGEN generation Enumeration Fog signals The mechanism used to generate a fog signal.
Signal group SIGGRP group Text Lights, radar beacons & transponders, fog signals The number of signals, the combination of signals or the morse character(s) within one period of full sequence.
Signal period SIGPER period Decimal Lights, radar beacons & transponders, fog signals The time occupied by an entire cycle of intervals of light and eclipse.
Signal sequence SIGSEQ sequence Text Lights, fog signals The sequence of times occupied by intervals of light and eclipse for all 'light characteristics' except for occulting where the sequence of times is occupied by intervals of eclipse and light.
Source SORIND source Text All objects Information about source of data
Source Date SORDAT source_date Text All objects Publication date of source data
Status STATUS status List All objects The condition of an object at a given instant in time
Textual description TXTDSC document Text All objects The URL of an external document that relates to the object.
Topmark/daymark shape TOPSHP shape Enumeration Buoys, Beacons The shape a topmark or day mark exhibits
Traffic flow TRAFIC traffic_flow Enumeration Routes, tracks, fairways, calling-in points The direction of traffic flow
Transshipping goods trshgd goods List Berths, terminals List of goods which can be transshipped.
Value of depth contour VALDCO depth Decimal Depth contours The depth of a sea bottom contour relative to the chart datum.
Value of sounding VALSOU depth Decimal Soundings The value of the measurement of a sounding relative to the chart datum.
Value of maximum range VALMXR maximum_range Decimal Radio & radar objects, fog signals The extreme distance at which an object can be seen or a signal detected in nautical miles.
Value of nominal range VALNMR range Decimal Lights The nominal range at which an object can be seen or a signal detected in nautical miles.
Vertical clearance, closed VERCCL clearance_height_closed Decimal Bridges The vertical clearance of an object in closed condition (e.g., a closed lifting bridge) measured from the plane towards the object overhead.
Vertical clearance VERCLR clearance_height Decimal Bridges, overhead cables & pipelines The vertical clearance measured from the plane towards the object overhead.
Vertical clearance, open VERCOP clearance_height_open Decimal Bridges The vertical clearance of an object in opened condition (e.g., an opened lifting bridge) measured from the plane towards the object overhead.
Vertical clearance, safe VERCSA clearance_height_safe Decimal Bridges, overhead cables & pipelines The safe vertical clearance measured from the plane towards the object overhead.
Vertical datum VERDAT vertical_datum Enumeration Objects above and below the water surface. Vertical datum used for measuring elevations of points on the earth's surface. It is the datum to which both heights and soundings are referred.
Vertical length VERLEN vertical_length Decimal Any object The total vertical length of an object.
Name of vertical river datum reference level vcrlev vertical_name Text Waterway gauges Name of the water level vertical clearance values are referred to.
Water level effect WATLEV water_level Enumeration Any object fixed or laying on the seabed. The effect of the surrounding water on an object.
Waterway distance wtwdis distance Decimal Distance marks. The distance measured from an origin of a river or canal.

Category attributes

Value types are:

Enumeration
single valued word or phrase.
List
Semicolon separated list of enumerations.
Attribute S-101 attribute key Value type Applicable Objects Definition
Category of anchorage CATACH category List Anchorages Classification of an area where different use-types of vessel can remain static.
Category of bridge CATBRG category List Bridges Classification of structures spanning and providing passage over a gap or barrier, such as a river or roadway
Category of berth catbrt category List Berths Classification of berths in inland waterways.
Category of bunker station catbun category List Bunker stations Classification of bunker stations in inland waterways.
Category of cardinal mark CATCAM category Enumeration Cardinal buoys and beacons Cardinal marks are classified according to the quadrant of space they occupy.
Category of cable CATCBL category Enumeration Overhead & submarine cables Classification of the cable based on the services provided.
Category of CEMT class catccl category List Inland waterways (waterway-axis or waterway-area) Classification of CEMT classes of vessels that may use a waterway.
Category of checkpoint CATCHP category Enumeration Checkpoints Classification of a place where vehicles or travellers are stopped for identification or inspection
Category of communication catcom category Enumeration Calling-in points, communications areas Classification of radio communications.
Category of crane CATCRN category Enumeration Cranes Classification of machines used for hoisting and moving heavy objects
Category of control point CATCTR category Enumeration Control points Classification of control points.
Category of distance mark CATDIS category Enumeration Distance marks Classification of fixed and virtual distance marks
Category of dumping ground CATDPG category List Dumping grounds Classification of an area based on the type of waste being disposed of.
Category of exceptional structures catexs category Enumeration Exceptional structures Classification of exceptional navigational structures.
Category of fishing facility CATFIF category Enumeration Fishing facilities Classification of fishing facility provided based on different fishing methods.
Category of fenceline CATFNC category Enumeration Fences/Walls Classification of a physical boundary
Category of fog signal CATFOG category Enumeration Fog signals Classification of the various means of generating the fog signal.
Category of fortified structure CATFOR category Enumeration Fortified structures Classification of the different types of fortified structure
Category of ferry CATFRY category Enumeration Ferries Classification of the manoeuvrability of the ferry vessel, not the various types of ferry vessel.
Category of gate CATGAT category Enumeration Gates Classification of a structure that can be swung, drawn, or lowered to block an entrance or a passageway
Category of harbour facility CATHAF category List Harbours Classification of harbour use.
Category of hulk CATHLK category List Hulks Classification of an old or unseaworthy ship used for a new function.
Category of installation buoy CATINB category Enumeration Installation buoys Classification of fixed installation buoy.
Category of lateral mark CATLAM category Enumeration Lateral buoys and beacons Classification of lateral marks.
Category of light CATLIT category List Lights Classification of different light types.
Category of landmark CATLMK category List Landmarks Classification of prominent cultural and natural features in the landscape
Category of marine farm/culture CATMFA category Enumeration Marine farms Classification of an area of water devoted to the raising, breeding, or production of a specific aquatic animal
Category of mooring/warping facility CATMOR category Enumeration Moorings Classification of a place or structure to which a vessel can be secured
Category of military practice area CATMPA category List Military practice areas Classification of area by military use.
Category of navigation line CATNAV category Enumeration Navigation lines Classification of route guidance given to vessels.
Category of Notice Mark catnmk category Enumeration Notice marks Category of Notice Mark.
Category of obstruction CATOBS category Enumeration Obstructions Classification of objects that impede movement.
Category of offshore platform CATOFP category List Platforms Classification of an offshore raised structure.
Category of oil barrier CATOLB category Enumeration Oil barriers Classification of barriers used to prevent the unwanted spread of oil across the sea surface.
Category of pilot boarding place CATPIL category Enumeration Pilot boarding places Classification of pilot boarding place.
Category of pipeline/pipe CATPIP category List Submarine & Overhead pipes. Classsification of a pipe systems use
Category of production area CATPRA category Enumeration Production areas Classification of production area based on product
Category of pile CATPLE category Enumeration Piles Classification of pile, driven into the earth as a foundation or support for a structure
Category of pylon CATPYL category Enumeration Pylons Classification of the pylon based on the service its supporting.
Category of radar station CATRAS category Enumeration Radar stations Classification of radar station based on the services offered.
Category of restricted area CATREA category List Restricted areas The official legal status of each kind of restricted area.
Category of radio station CATROS category List Radio stations Classification of radio services offered by a radio station.
Category of rescue station CATRSC category List Rescue stations Classification of aid station based on life saving equipment.
Category of radar transponder beacon CATRTB category Enumeration Radar transponders Classification of radar transponder beacon based on functionality.
Category of small craft facility CATSCF category List Small craft facilities Classification of services and facilities for the small craft user
Category of sea area CATSEA category Enumeration Sea areas Classification of an area based on its physical characteristics.
Category of seagrass catseg category Enumeration Seagrass Classification of seagrass (submerged monocotyledonous plants, destinct from Weed/Kelp as pmacroscopic marine algae).
Category of signal station, traffic CATSIT category List Traffic signal stations Classification of station based on the traffic service provided.
Category of signal station, warning CATSIW category List Warning signal stations Classification of station based on the warning service provided
Category of shoreline construction CATSLC category Enumeration Shoreline constructions Classification of shoreline construction based on use.
Category of special purpose mark CATSPM category List Special purpose buoys and beacons Classification of an aid to navigation which signifies some special purpose.
Category of recommended track CATTRK category Enumeration Recommended tracks Classification of track based on defining navigational marks.
Category of Traffic Separation Scheme CATTSS category Enumeration Traffic separation schemes International classification of traffic separation scheme.
Category of vehicle transfer catvtr category List Vehicle transfers Classification of vehicle transfers.
Category of waterway gauge catgag category Enumeration Waterway gauges Classification of waterway gauges.
Category of water turbulence CATWAT category Enumeration Water turbulence Classification of an unstable sea state.
Category of weed/kelp CATWED category Enumeration Weed/kelp Classification of marine macroscopic algae (destinct from seagrass).
Category of wreck CATWRK category Enumeration Wrecks Classification of a wrecked or ruined ship.

References

OSM seamark resources

JOSM presets & styles

External sources