adds world-coutries target

Makefile

@@ -1,11 +1,14 @@
 # Atlas-make - master makefile
 
-TARGETS=na-places us-demographics us-towns us-cities us-states us-counties us-transportation us-congress
+TARGETS=na-places us-demographics us-towns us-cities us-states us-counties us-transportation us-congress world-countries
 
 all: ${TARGETS}
 
 .PHONY: ${TARGETS}
 
+world-countries:
+	cd $@ && make all
+
 na-places:
 	cd $@ && make all
 
@@ -39,6 +42,7 @@ us-transportation:
 us-congress:
 	cd $@ && make all
 
+
 ##-- deletes all files except gz/zip files -----
 clean-all:
 	cd na-places && make clean-all
@@ -49,3 +53,4 @@ clean-all:
 	cd us-counties && make clean-all
 	cd us-transportation && make clean-all
 	cd us-congress && make clean-all
+	cd world-countries && make clean-all

README.md

@@ -46,7 +46,7 @@ this may take about 15mins, so try `$ make us-states` first
 ### Future plans:
 - expand `us-demographics` data (Census & ACS)
 - recipes for inserting data into PostgreSQL
-- a `world-countries` target
+- more `world-*` targets
 - more map layers: roads, airports, etc.
 - rendered map examples using [D3.js](https://d3js.org/) & [D3-Node](https://github.com/bradoyler/d3-node)
 

world-countries/Makefile

@@ -0,0 +1,53 @@
+# http://www.naturalearthdata.com/downloads/
+# SCALES: 10m 50m 110m
+BIN = ../node_modules/.bin
+NATURAL_EARTH_CDN = http://naciscdn.org/naturalearth
+
+all: topo/world-110m.json csv/world-countries.csv
+
+.SECONDARY:
+
+gz/ne_10m_%.zip:
+	mkdir -p $(dir $@)
+	curl "$(NATURAL_EARTH_CDN)/10m/cultural/ne_10m_$*.zip" -o $@.download
+	mv $@.download $@
+
+gz/ne_50m_%.zip:
+	mkdir -p $(dir $@)
+	curl "$(NATURAL_EARTH_CDN)/50m/cultural/ne_50m_$*.zip" -o $@.download
+	mv $@.download $@
+
+gz/ne_110m_%.zip:
+	mkdir -p $(dir $@)
+	curl "$(NATURAL_EARTH_CDN)/110m/cultural/ne_110m_$*.zip" -o $@.download
+	mv $@.download $@
+
+# Admin 0 – countries (5.08M)
+shp/ne_%_admin_0_countries.shp: gz/ne_%_admin_0_countries.zip
+	mkdir -p $(dir $@)
+	unzip -d shp $<
+	touch $@
+
+# created w/ basic props, countries & land collection
+topo/world-%.json: shp/ne_%_admin_0_countries.shp
+	mkdir -p $(dir $@)
+	$(BIN)/topojson \
+		--quantization 1e5 \
+		--properties name,type,abbrev,postal,pop_est,continent \
+		--id-property=+iso_n3 \
+		-- countries=shp/ne_$*_admin_0_countries.shp \
+		| $(BIN)/topojson-merge \
+			-o $@ \
+			--io=countries \
+			--oo=land \
+			--no-key
+
+csv/world-countries.csv: shp/ne_110m_admin_0_countries.shp
+	mkdir -p $(dir $@)
+	rm -f $@
+	ogr2ogr -f 'CSV' -progress $@ $<
+
+clean-all: clean/shp clean/topo clean/csv
+
+clean/%:
+	rm -rf $(notdir $@)

world-countries/README.md

@@ -0,0 +1,13 @@
+# World-Countries
+
+Builds Shape, TopoJson & CSV files for all countries.
+
+Data files are built from [Small](http://www.naturalearthdata.com/downloads/10m-cultural-vectors/), [Medium](http://www.naturalearthdata.com/downloads/50m-cultural-vectors/) & [Large](http://www.naturalearthdata.com/downloads/110m-cultural-vectors/) scale Cultural vectors from [Natural Earth](http://naturalearthdata.com/)
+
+
+### Medium scale (1:50m)
+`$ make topo/world-50m.json`
+![50m-world](https://cloud.githubusercontent.com/assets/425966/18637913/12d2d6d6-7e5c-11e6-93a3-7f3d392c836f.png)
+
+### Zoomed, showing data
+![50m-world-zoomed](https://cloud.githubusercontent.com/assets/425966/18637669/2d8d6abe-7e5b-11e6-98c2-ab357fd405ef.png)