- Module documentation, D3.js: github.com/d3/d3-geo, github.com/d3/d3-geo-projection, github.com/d3/d3-geo-polygon.
- GeoJSON specification: tools.ietf.org/html/rfc7946.
- TopoJSON specification: github.com/topojson/topojson-specification.
- Shapefile specification: www.esri.com/library/whitepapers/pdfs/shapefile.pdf.
- GDAL: Geospatial Data Abstraction Library: www.gdal.org.
- Natural Earth Public Domain Map Dataset. naturalearthdata.com.
- MapShaper Editor for Map Data: mapshaper.org.
- Geojson.io GeoJSON editor: geojson.io.
- African cities: Data/africa-1500-cities.csv compiled from GeoNames geographical database: www.geonames.org. Data/africa-10-cities.geojson compiled from Wikipedia.
- African GeoJSON maps: Data/africa.geojson, Data/africa-simple.geojson, Data/africa-rivers.geojson, Data/africa-madagascar.geojson. Obtained from naturalearthdata.org and transformed using GIS tools...
United States
United Kingdom
India
Germany
France
Canada
Russia
Spain
Brazil
Australia
Argentina
Austria
Belgium
Bulgaria
Chile
Colombia
Cyprus
Czechia
Denmark
Ecuador
Egypt
Estonia
Finland
Greece
Hungary
Indonesia
Ireland
Italy
Japan
Latvia
Lithuania
Luxembourg
Malaysia
Malta
Mexico
Netherlands
New Zealand
Norway
Philippines
Poland
Portugal
Romania
Singapore
Slovakia
Slovenia
South Africa
South Korea
Sweden
Switzerland
Taiwan
Thailand
Turkey
Ukraine