viz1090/mapconverter-fiona-name.py

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import fiona
from tqdm import tqdm
import argparse
import os
bin_file = open("mapnames", "w")
parser = argparse.ArgumentParser(description='viz1090 Natural Earth Data Map Converter')
parser.add_argument("--minpop", default=100000, type=int, help="map simplification tolerance")
parser.add_argument("--scale", default="10m", choices=["10m","50m","110m"], type=str, help="map file scale")
parser.add_argument("mapfile", type=str, help="shapefile to load (e.g., from https://www.naturalearthdata.com/downloads/")
args = parser.parse_args()
shapefile = fiona.open(args.mapfile)
count = 0
for i in tqdm(range(len(shapefile))):
xcoord = shapefile[i]['geometry']['coordinates'][0]
ycoord = shapefile[i]['geometry']['coordinates'][1]
pop = shapefile[i]['properties']['POP_MIN']
name = shapefile[i]['properties']['NAME']
if pop > args.minpop:
outstring = "{0} {1} {2}\n".format(xcoord, ycoord, name)
bin_file.write(outstring)
count = count + 1
bin_file.close()
print("Wrote %d place names" % count)