Seamarks/Distance Marks

From OpenStreetMap Wiki
Jump to: navigation, search

Distance Marks

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

This page defines tags for the attributes of distance marks on waterways.

Type S100 code seamark:type Definition Rendering Notes
Distance Mark DISMAR distance_mark A distance mark indicates the distance measured from an origin and consists of either a solid visible structure or a distinct location without special installation. DistanceMarks.png Installed mark
Not installed

This page defines values for the "seamark:distance_mark:category" tags and other attributes applied to distance marks.

Categories

Category (CATDIS) seamark:distance_mark:category Definition
Not physically installed not_installed A point at which a distance from an origin along a feature is given for information, but at which no specific marker exists.
Visible mark, pole pole A point at which a distance from an origin along a feature is given for information and which is marked by a pole.
Visible mark, board board A point at which a distance from an origin along a feature is given for information and which is marked by a board.
Visible mark, unknown shape unknown_shape A point at which a distance from an origin along a feature is given for information and which is physically marked, but the shape of the mark is not known or not given.

Other Attributes

Attribute seamark:distance_mark:<attribute> Value type Definition
Waterway distance (wtwdis) distance Decimal The distance measured from an origin of a river or canal.
Height/length units (HUNITS) units Enumeration This attribute encodes the units of measurement for heights and lengths.

References

Seamark Tag Values
Seamark Objects
Seamark Attributes
INT-1 Cross Reference