A repo to create simplified GeoJSON regions so we can display map-based visualisations without having to load tiles all over the place.
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README.md

GeoJSON Regions

A repo to create simplified GeoJSON regions so we can display map-based visualisations without having to load tiles all over the place.

These are compiled from on the Natural Earth data which offers public domain shapefiles.

The data

Data is organised by resolution (10m, 50m & 110m), and each country is stored under a ISO 3166-1 alpha-3 country code.

This stuff is fairly subjective. Natural earth states:

Natural Earth Vector draws boundaries of sovereign states according to defacto status. We show who actually controls the situation on the ground. For instance, we show China and Taiwan as two separate states. But we show Palestine as part of Israel. Please feel free to mashup our countries and disputed areas themes to match your particular political outlook.

Fetching the latest data

I'm aiming to keep this one up to date, but if you need to fetch the latest data you can do so by running go.sh in the repo root.

If you notice the repo is out of date, please feel free to make a pull request.

Note: you require gdal installed on your system (ogr2ogr command converts shapefiles to geojson).

Testing

Really loose unit tests are in the test/ folder. These ensure the data hasn't deviated too much from sensibility between updates.

npm install
npm test

Contributing

The only data changes I'll accept in this repo are those fetched from naturalearthdata.com. Please don't make a pull request with modified data.

If you can improve the build tools, or have a new transformation you want to add go for it!