Transformations on LINZ shapefiles for use in Mapbox

Makefile

DATA_DIR = /Users/aaron/Google\ Drive/Data/Geographic/NZ/Topographic

nzlakes: nzlakes50.shp nzlakes250.shp nzlakes500.shp

nzlakes50.shp: $(DATA_DIR)/50k/nz-lake-polygons-topo-150k/nz-lake-polygons-topo-150k.shp
	rm -f temp.*
	ogr2ogr temp.shp $(DATA_DIR)/50k/nz-lake-polygons-topo-150k/nz-lake-polygons-topo-150k.shp -nln temp
	ogr2ogr nzlakes50.shp temp.shp -sql "SELECT name, OGR_GEOM_AREA/1000 as area FROM temp" -t_srs EPSG:4326
	rm temp.*

nzlakes250.shp: $(DATA_DIR)/250k/nz-lake-polygons-topo-1250k/nz-lake-polygons-topo-1250k.shp
	rm -f temp.*
	ogr2ogr temp.shp $(DATA_DIR)/250k/nz-lake-polygons-topo-1250k/nz-lake-polygons-topo-1250k.shp -nln temp
	ogr2ogr nzlakes250.shp temp.shp -sql "SELECT name, OGR_GEOM_AREA/1000 as area FROM temp" -t_srs EPSG:4326
	rm temp.*

nzlakes500.shp: $(DATA_DIR)/500k/nz-lake-polygons-topo-1500k/nz-lake-polygons-topo-1500k.shp
	rm -f temp.*
	ogr2ogr temp.shp $(DATA_DIR)/500k/nz-lake-polygons-topo-1500k/nz-lake-polygons-topo-1500k.shp -nln temp
	ogr2ogr nzlakes500.shp temp.shp -sql "SELECT name, OGR_GEOM_AREA/1000 as area FROM temp" -t_srs EPSG:4326
	rm temp.*


nzrivers: nzrivers50.shp nzrivers250.shp nzrivers500.shp

nzrivers50.shp: $(DATA_DIR)/50k/nz-river-polygons-topo-150k/nz-river-polygons-topo-150k.shp
	rm -f temp.*
	ogr2ogr temp.shp $(DATA_DIR)/50k/nz-river-polygons-topo-150k/nz-river-polygons-topo-150k.shp -nln temp
	ogr2ogr nzrivers50.shp temp.shp -sql "SELECT OGR_GEOM_AREA/1000 as area FROM temp" -t_srs EPSG:4326
	rm temp.*

nzrivers250.shp: $(DATA_DIR)/250k/nz-river-polygons-topo-1250k/nz-river-polygons-topo-1250k.shp
	rm -f temp.*
	ogr2ogr temp.shp $(DATA_DIR)/250k/nz-river-polygons-topo-1250k/nz-river-polygons-topo-1250k.shp -nln temp
	ogr2ogr nzrivers250.shp temp.shp -sql "SELECT OGR_GEOM_AREA/1000 as area FROM temp" -t_srs EPSG:4326
	rm temp.*

nzrivers500.shp: $(DATA_DIR)/500k/nz-river-polygons-topo-1500k/nz-river-polygons-topo-1500k.shp
	rm -f temp.*
	ogr2ogr temp.shp $(DATA_DIR)/500k/nz-river-polygons-topo-1500k/nz-river-polygons-topo-1500k.shp -nln temp
	ogr2ogr nzrivers500.shp temp.shp -sql "SELECT OGR_GEOM_AREA/1000 as area FROM temp" -t_srs EPSG:4326
	rm temp.*


nzcoast: nzcoast50.shp nzcoast250.shp nzcoast500.shp

nzcoast50.shp: $(DATA_DIR)/50k/nz-coastlines-and-islands-polygons-topo-150k/nz-coastlines-and-islands-polygons-topo-150k.shp
	rm -f temp.*
	ogr2ogr temp.shp $(DATA_DIR)/50k/nz-coastlines-and-islands-polygons-topo-150k/nz-coastlines-and-islands-polygons-topo-150k.shp -nln temp
	ogr2ogr nzcoast50.shp temp.shp -sql "SELECT name, OGR_GEOM_AREA/1000000 as area FROM temp" -t_srs EPSG:4326
	rm temp.*

nzcoast250.shp: $(DATA_DIR)/250k/nz-coastlines-and-islands-polygons-topo-1250k/nz-coastlines-and-islands-polygons-topo-1250k.shp
	rm -f temp.*
	ogr2ogr temp.shp $(DATA_DIR)/250k/nz-coastlines-and-islands-polygons-topo-1250k/nz-coastlines-and-islands-polygons-topo-1250k.shp -nln temp
	ogr2ogr nzcoast250.shp temp.shp -sql "SELECT name, OGR_GEOM_AREA/1000000 as area FROM temp" -t_srs EPSG:4326
	rm temp.*

nzcoast500.shp: $(DATA_DIR)/500k/nz-coastlines-and-islands-polygons-topo-1500k/nz-coastlines-and-islands-polygons-topo-1500k.shp
	rm -f temp.*
	ogr2ogr temp.shp $(DATA_DIR)/500k/nz-coastlines-and-islands-polygons-topo-1500k/nz-coastlines-and-islands-polygons-topo-1500k.shp -nln temp
	ogr2ogr nzcoast500.shp temp.shp -sql "SELECT name, OGR_GEOM_AREA/1000000 as area FROM temp" -t_srs EPSG:4326
	rm temp.*


nzgeonames: nzgeonames50.shp nzgeonames250.shp nzgeonames500.shp

nzgeonames50.shp: $(DATA_DIR)/50k/nz-geographic-names-topo-150k/nz-geographic-names-topo-150k.shp
	rm -f temp.*
	ogr2ogr temp.shp $(DATA_DIR)/50k/nz-geographic-names-topo-150k/nz-geographic-names-topo-150k.shp -nln temp
	ogr2ogr nzgeonames50.shp temp.shp -sql "SELECT name, desc_code FROM temp" -t_srs EPSG:4326
	rm temp.*

nzgeonames250.shp: $(DATA_DIR)/250k/nz-geographic-names-topo-1250k/nz-geographic-names-topo-1250k.shp
	rm -f temp.*
	ogr2ogr temp.shp $(DATA_DIR)/250k/nz-geographic-names-topo-1250k/nz-geographic-names-topo-1250k.shp -nln temp
	ogr2ogr nzgeonames250.shp temp.shp -sql "SELECT name, desc_code FROM temp" -t_srs EPSG:4326
	rm temp.*

nzgeonames500.shp: $(DATA_DIR)/500k/nz-geographic-names-topo-1500k/nz-geographic-names-topo-1500k.shp
	rm -f temp.*
	ogr2ogr temp.shp $(DATA_DIR)/500k/nz-geographic-names-topo-1500k/nz-geographic-names-topo-1500k.shp -nln temp
	ogr2ogr nzgeonames500.shp temp.shp -sql "SELECT name, desc_code FROM temp" -t_srs EPSG:4326
	rm temp.*