see: http://bost.ocks.org/mike/map/
brew install gdal
npm install -g topojson
To generate continental US map:
$ wget 'http://www.naturalearthdata.com/http//www.naturalearthdata.com/download/50m/cultural/ne_50m_admin_1_states_provinces_lakes.zip'
$ unzip ne_50m_admin_1_states_provinces_lakes.zip
$ ogr2ogr -f GeoJSON -where "sr_adm0_a3 IN ('USA')" states.json ne_50m_admin_1_states_provinces_lakes.shp
edit states.json to remove data for Hawaii and Alaska
$ topojson states.json > topology.json
| Name |
Last Commit
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History
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Last Update |
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| .. | ||
| README.txt | ||
| continental_us.json |