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September 26, 2015 14:23
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| # Download and Transform the 1:50m Country Shapefiles from Natural Earth | |
| # http://www.naturalearthdata.com/downloads/50m-cultural-vectors/ | |
| URL = http://www.naturalearthdata.com/http//www.naturalearthdata.com/download/50m/cultural/ne_50m_admin_0_countries.zip | |
| # Download the zip file from the Natural Earth server | |
| ne_50m_admin_0_countries.zip: | |
| curl -LO $(URL) | |
| # Unzip the shapefiles | |
| ne_50m_admin_0_countries.shp: ne_50m_admin_0_countries.zip | |
| unzip ne_50m_admin_0_countries.zip | |
| touch ne_50m_admin_0_countries.shp | |
| # Convert the shapefiles to GeoJSON | |
| countries.geojson: ne_50m_admin_0_countries.shp | |
| ogr2ogr -f GeoJSON countries.geojson ne_50m_admin_0_countries.shp | |
| # Convert the GeoJSON file to TopoJSON | |
| countries.topojson: countries.geojson | |
| topojson -p -o countries.topojson countries.geojson | |
| # Remove source and temporary files | |
| clean: | |
| rm ne_50m_admin_0_countries* |
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