Created
March 18, 2014 15:22
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| #!/bin/bash | |
| # Convert Shapefile (.shp) to TopoJSON, version 1 | |
| # @see http://bost.ocks.org/mike/map/ | |
| # Before running this script: | |
| # | |
| # brew install gdal | |
| # npm install -g topojson | |
| # which ogr2ogr | |
| # which topojson | |
| # Cleanup from last time. | |
| rm -rf ../../json/geo | |
| rm -rf ../../json/topo | |
| mkdir ../../json/geo | |
| mkdir ../../json/geo/countries | |
| mkdir ../../json/geo/regions | |
| mkdir ../../json/topo | |
| mkdir ../../json/topo/countries | |
| # # Generate the GeoJSON from the Shapefile | |
| ogr2ogr -f GeoJSON ../../json/geo/countries.json ../shp/countries/ne_10m_admin_0_countries.shp | |
| # Read in the GeoJSON file. | |
| CountryFile=../../json/geo/countries.json | |
| # Match lines that have a country code. | |
| adm0RegExp='"ADM0_A3": "(...)"' | |
| while read line | |
| do | |
| if [[ $line =~ $adm0RegExp ]] | |
| then | |
| countryCode=${BASH_REMATCH[1]} | |
| countryName="$(echo $countryCode | tr '[A-Z]' '[a-z]' | tr ' ' '-')" | |
| ogr2ogr \ | |
| -f GeoJSON \ | |
| -where "ADM0_A3 = '$countryCode'" \ | |
| ../../json/geo/countries/$countryName.json \ | |
| ../shp/countries/ne_10m_admin_0_countries.shp | |
| ogr2ogr \ | |
| -f GeoJSON \ | |
| -where "adm0_a3 = '$countryCode'" \ | |
| ../../json/geo/regions/$countryName.json \ | |
| ../shp/states_provinces/ne_10m_admin_1_states_provinces.shp | |
| # countryDir=../../json/geo/regions/"$countryName" | |
| RegionFile=../../json/geo/regions/$countryName.json | |
| nameRegExp='"name": "([A-Za-z,\.\ ]+)"' | |
| while read line | |
| do | |
| if [[ $line =~ $nameRegExp ]]; then | |
| if [ ! -d ../../json/geo/regions/"$countryName" ]; then | |
| mkdir ../../json/geo/regions/$countryName | |
| fi | |
| regionCode=${BASH_REMATCH[1]} | |
| regionName="$(echo $regionCode | tr '[A-Z]' '[a-z]' | tr ' ' '-')" | |
| # echo "$countryName/$regionName" | |
| if [ ! -e ../../json/geo/regions/"$countryName"/"$regionName".json ]; then | |
| ogr2ogr \ | |
| -f GeoJSON \ | |
| -where "adm0_a3 = '$countryCode' AND name = '$regionCode'" \ | |
| ../../json/geo/regions/$countryName/$regionName.json \ | |
| ../shp/states_provinces/ne_10m_admin_1_states_provinces.shp | |
| fi | |
| fi | |
| done <$RegionFile | |
| if [ -d ../../json/geo/regions/"$countryName" ]; then | |
| topojson \ | |
| --simplify-proportion=0.05 \ | |
| -o ../../json/topo/countries/$countryName.json \ | |
| -- \ | |
| ../../json/geo/countries/$countryName.json \ | |
| ../../json/geo/regions/$countryName/*.json | |
| else | |
| topojson \ | |
| --simplify-proportion=0.05 \ | |
| -o ../../json/topo/countries/$countryName.json \ | |
| -- \ | |
| ../../json/geo/countries/$countryName.json | |
| fi | |
| fi | |
| done <$CountryFile | |
| topojson -o ../../json/topo/lakes.json lakes=../shp/lakes/ne_110m_lakes.shp | |
| topojson -o ../../json/topo/land.json land=../shp/land/ne_110m_land.shp | |
| rm -rf ../../json/geo |
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