Tag:seamark:distance_mark:units=hectometres

seamark:distance_mark:units = 
Description
Used for a hectometre stone along a waterway. Show/edit corresponding data item.
Group: marine navigation
Used on these elements
may be used on nodesshould not be used on waysshould not be used on areasshould not be used on relations (except multipolygon relations)
Requires
Useful combination
Status: in use
More details at taginfo
Tools for this tag

Used for a hectometre stone along a waterway.

The stones are usually 200 m apart therefore use the numbers 2,4,6,8.

Only one stone with a cross can be placed in the middle between the kilometer stones, use the numbers 5 for this.

How to map

For the virtual hectometre point in the river

Place a point node directly on the way way that represents the waterway and add the following:

For the pole/board on the shore

To map the shield, draw a node node and add the following:

Rendering on OpenSeaMap

The black circles are the milestones or the hectometre stone (hm1), the colored circles are the virtual kilometre points.

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