Map style
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Map style is a set of instructions/definitions how to change raw OSM data into an image (map).
It allows computers to automatically generate maps from updating OSM data.
Typical instruction may be something like:
- waterway=river lines is to be rendered as 5 pixel wide line in color #1122FF at zoom levels larger than 6
- waterway=river lines is to be rendered as 6 pixel wide line at zoom levels larger than 7 (what overrides earlier rule)
and so on, for any shown object
Examples
- Standard tile layer with map style hosted at https://github.com/gravitystorm/openstreetmap-carto
- Humanitarian map style
- Waymarked trails
- Mapy.cz map style showing hiking trails
- StreetComplete map style for styling vector tiles
- OpenStreetMap Americana
- OpenMap.lt
Software
There is a wide variety of software that can be used to create/interpret map styles. For example
- MapLibre (powers for example OpenStreetMap Americana)
- CartoCSS (powers Standard tile layer)
- Mapshaper
- Maperitive (abandoned development, software is still usable)