Seamarks/Topmarks and Daymarks

Seamark tagging

• General information
• Tags
• Schema
• Objects, usage
• Categories of objects, attributes
• INT-1 cross reference
• Inland notice marks (CEVNI, Europe)
• Inland lateral marks (CEVNI, Europe)
• Inland notice marks (BNIWR, Brazil)
• Inland notice marks (PPWBC, Brazil/Paraguay)
• Inland notice marks (RIWR, Russia)

Topmarks and daymarks

The tags defined on this page will render in various nautical charts.

This page defines values for the seamark:topmark:shape and seamark:daymark:shape tags and other attributes applied to these objects.

Shapes

Shape (TOPSHP)	seamark:topmark:shape seamark:daymark:shape	Usage	Rendering
Solid cone with vertex uppermost	cone, point up	Starboard lateral marks
Solid cone with vertex lowermost	cone, point down	Port lateral marks
Single sphere	sphere	Safe water marks
Two spheres mounted one above the other	2 spheres	Isolated danger marks
Cylinder (can) mounted vertically	cylinder	Lateral port marks
Rectangular board	board
Cross mounted with arms diagonally	x-shape	Special purpose marks
Cross mounted with arms horizontal and vertical	cross	Wrecks
Cube mounted with a vertex uppermost	cube, point up
Two vertical cones with their vertices adjacent	2 cones point together	West cardinal marks
Two vertical cones with their bases adjacent	2 cones base together	East cardinal marks
Rhombus (diamond)	rhombus
Two vertical cones with both vertices uppermost	2 cones up	Cardinal north marks
Two vertical cones with both vertices lowermost	2 cones down	Cardinal south marks
Bundle of twigs tied at top	besom, point up	Lateral starboard perch
Bundle of twigs tied at bottom	besom, point down	Lateral port perch
	flag
	sphere over rhombus
Equilateral rectangle with sides horizontal and vertical	square
	rectangle, horizontal
	rectangle, vertical
	trapezium, up
	trapezium, down
Triangle with vertex uppermost	triangle, point up
Triangle with vertex lowermost	triangle, point down
	circle
	2 upright crosses
	t-shape
	triangle, point up over circle
	upright cross over circle
	rhombus over circle
	circle over triangle, point up
	other

Other attributes

Attribute	seamark:topmark:<attribute> seamark:daymark:<attribute>	Wiki page
Colour (COLOUR)	colour	Colours
Colour Pattern (COLPAT)	colour_pattern	Colours

Attribute	seamark:daymark:<attribute>	Wiki Page
Category (CATSPM)	category	Special purpose marks

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, Europe)(en)
• Inland waterway lateral marks (CEVNI, Europe)(en)
• Inland waterway notice marks (BNIWR, Brazil)(en)
• Inland waterway notice marks (PPWBC, Brazil/Paraguay)(en)
• Inland waterway notice marks (RIWR, Russia)(en)

JOSM presets & styles

• https://github.com/OpenNauticalChart/josm

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)
• U.S. Aids to Navigation System – also details the Western Waters Marking System, Intracoastal Waterway system, and Uniform State Waterway Marking System