us_state_map_makefile

build/gz_2010_us_040_00_20m.zip:
	mkdir -p $(dir $@)
	curl -o $@ http://www2.census.gov/geo/tiger/GENZ2010/$(notdir $@)

build/gz_2010_us_040_00_20m.shp: build/gz_2010_us_040_00_20m.zip
	unzip -od $(dir $@) $<
	touch $@

build/states.json: build/gz_2010_us_040_00_20m.shp state_data.csv
	node_modules/.bin/topojson \
		-o $@ \
		--id-property='STATE,id' \
		--external-properties=state_data.csv \
		--properties='name=state' \
		--properties='rate=+d.properties["value"]' \
		--properties='rank=+d.properties["rank"]' \
		--properties='cost=+d.properties["cost"]' \
		--properties='number=+d.properties["n_schools"]' \
		--projection='width = 960, height = 600, d3.geo.albersUsa() \
			.scale(1280) \
			.translate([width / 2, height / 2])' \
		--simplify=.5 \
		--filter=none \
		-- states=$<