< Seamarks
Seamarks/Colours
Colours
The tags defined on this page will render in various nautical charts.
This page defines values for the "seamark:<object>:colour" and "seamark:<object>:colour_pattern" tags.
There is a set of standard colours defined in the S-100 attribute catalogue.
| Colour (COLOUR) | seamark:<object>:colour | Rendering |
|---|---|---|
| White | white | |
| Black | black | |
| Red | red | |
| Green | green | |
| Blue | blue | |
| Yellow | yellow | |
| Grey | grey | |
| Brown | brown | |
| Amber | amber | |
| Violet | violet | |
| Orange | orange | |
| Magenta | magenta | |
| Pink | pink |
Colour patterns
Painted object with more than one colour can be specified by listing those colours in a semi-colon separated list. When this is done, a colour pattern tag must be used in addition to the colour tag.
| Pattern (COLPAT) | seamark:<object>:colour_pattern | Definition | Rendering |
|---|---|---|---|
| Horizontal stripes | horizontal | Straight bands or stripes of differing colours painted horizontally. | |
| Vertical stripes | vertical | Straight bands or stripes of differing colours painted vertically. | |
| Diagonal stripes | diagonal | Straight bands or stripes of differing colours painted diagonally. | |
| Squared | squared | Often referred to as checker plate, where alternate colours are used to create squares similar to a chess or draught board. The pattern may be straight or diagonal. | |
| Stripes (direction unknown) | stripes | Straight bands or stripes of differing colours painted in an unknown direction. | |
| Border stripe | border | A band or stripe of colour which is displayed around the outer edge of the object, which may also form a border to an inner pattern or plain colour. | |
| Vertical cross | cross | A vertical cross of one colour painted on a background of a different colour. | |
| Diagonal cross | saltire | A diagonal cross of one colour painted on a background of a different colour. |
Rendering order
- Top-to-bottom
- Left-to-right
- Background
- Border
More than one pattern can be similarly specified and the colours are assigned to the patterns in their listed order.
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)
- U.S. Aids to Navigation System – also details the Western Waters Marking System, Intracoastal Waterway system, and Uniform State Waterway Marking System
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