227 lines
8.1 KiB
Python
227 lines
8.1 KiB
Python
import argparse
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import os
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import sys
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from functools import partial
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this_dir = os.path.realpath(os.path.dirname(__file__))
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sys.path.append(os.path.realpath(os.path.join(os.pardir, os.pardir)))
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from geodata.polygons.index import *
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from geodata.encoding import safe_decode
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decode_latin1 = partial(safe_decode, encoding='latin1')
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def str_id(v):
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v = int(v)
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if v <= 0:
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return None
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return str(v)
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class ReverseGeocoder(RTreePolygonIndex):
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COUNTRIES_FILENAME = 'qs_adm0.shp'
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ADMIN1_FILENAME = 'qs_adm1.shp'
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ADMIN1_REGION_FILENAME = 'qs_adm1_region.shp'
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ADMIN2_FILENAME = 'qs_adm2.shp'
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ADMIN2_REGION_FILENAME = 'qs_adm2_region.shp'
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LOCAL_ADMIN_FILENAME = 'qs_localadmin.shp'
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LOCALITIES_FILENAME = 'qs_localities.shp'
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NEIGHBORHOODS_FILENAME = 'qs_neighborhoods.shp'
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COUNTRY = 'adm0'
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ADMIN1 = 'adm1'
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ADMIN1_REGION = 'adm1_region'
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ADMIN2 = 'adm2'
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ADMIN2_REGION = 'adm2_region'
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LOCAL_ADMIN = 'localadmin'
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LOCALITY = 'locality'
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NEIGHBORHOOD = 'neighborhood'
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sorted_levels = (COUNTRY,
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ADMIN1,
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ADMIN1_REGION,
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ADMIN2,
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ADMIN2_REGION,
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LOCAL_ADMIN,
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LOCALITY,
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NEIGHBORHOOD,
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)
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sort_levels = {k: i for i, k in enumerate(sorted_levels)}
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NAME = 'name'
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CODE = 'code'
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LEVEL = 'level'
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GEONAMES_ID = 'geonames_id'
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WOE_ID = 'woe_id'
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polygon_properties = {
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COUNTRIES_FILENAME: {
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NAME: ('qs_a0', safe_decode),
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CODE: ('qs_iso_cc', safe_decode),
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LEVEL: ('qs_level', safe_decode),
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GEONAMES_ID: ('qs_gn_id', str_id),
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WOE_ID: ('qs_woe_id', str_id),
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},
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ADMIN1_FILENAME: {
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NAME: ('qs_a1', safe_decode),
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CODE: ('qs_a1_lc', safe_decode),
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LEVEL: ('qs_level', safe_decode),
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GEONAMES_ID: ('qs_gn_id', str_id),
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WOE_ID: ('qs_woe_id', str_id),
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},
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ADMIN1_REGION_FILENAME: {
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NAME: ('qs_a1r', safe_decode),
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CODE: ('qs_a1r_lc', safe_decode),
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LEVEL: ('qs_level', safe_decode),
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GEONAMES_ID: ('qs_gn_id', str_id),
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WOE_ID: ('qs_woe_id', str_id),
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},
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ADMIN2_FILENAME: {
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NAME: ('qs_a2', decode_latin1),
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CODE: ('qs_a2_lc', safe_decode),
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LEVEL: ('qs_level', safe_decode),
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GEONAMES_ID: ('qs_gn_id', str_id),
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WOE_ID: ('qs_woe_id', str_id),
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},
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ADMIN2_REGION_FILENAME: {
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NAME: ('qs_a2r', safe_decode),
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CODE: ('qs_a2r_lc', safe_decode),
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LEVEL: ('qs_level', safe_decode),
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GEONAMES_ID: ('qs_gn_id', str_id),
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WOE_ID: ('qs_woe_id', str_id),
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},
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LOCAL_ADMIN_FILENAME: {
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NAME: ('qs_la', safe_decode),
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CODE: ('qs_la_lc', safe_decode),
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LEVEL: ('qs_level', safe_decode),
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GEONAMES_ID: ('qs_gn_id', str_id),
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WOE_ID: ('qs_woe_id', str_id),
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},
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LOCALITIES_FILENAME: {
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NAME: ('qs_loc', safe_decode),
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CODE: ('qs_loc_alt', safe_decode),
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LEVEL: ('qs_level', safe_decode),
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GEONAMES_ID: ('qs_gn_id', str),
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WOE_ID: ('qs_woe_id', str),
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},
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NEIGHBORHOODS_FILENAME: {
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NAME: (NAME, safe_decode),
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CODE: ('name_en', safe_decode),
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LEVEL: ('qs_level', safe_decode),
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GEONAMES_ID: (WOE_ID, str_id),
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WOE_ID: ('gn_id', str_id),
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}
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}
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@classmethod
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def create_from_shapefiles(cls,
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input_files,
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output_dir,
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index_filename=DEFAULT_INDEX_FILENAME,
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polys_filename=DEFAULT_POLYS_FILENAME):
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index = cls(save_dir=output_dir, index_filename=index_filename)
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i = 0
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for input_file in input_files:
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f = fiona.open(input_file)
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filename = os.path.split(input_file)[-1]
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include_props = cls.polygon_properties.get(filename)
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for rec in f:
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if not rec or not rec.get('geometry') or 'type' not in rec['geometry']:
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continue
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properties = rec['properties']
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if filename == cls.NEIGHBORHOODS_FILENAME:
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properties['qs_level'] = 'neighborhood'
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if include_props:
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have_all_props = False
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for k, (prop, func) in include_props.iteritems():
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v = properties.get(prop, None)
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if v is not None:
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try:
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properties[k] = func(v)
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except Exception:
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break
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else:
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have_all_props = True
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if not have_all_props or not properties.get(cls.NAME):
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continue
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poly_type = rec['geometry']['type']
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if poly_type == 'Polygon':
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poly = Polygon(rec['geometry']['coordinates'][0])
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index.index_polygon(i, poly)
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poly = index.simplify_polygon(poly)
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index.add_polygon(poly, dict(rec['properties']), include_only_properties=include_props)
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elif poly_type == 'MultiPolygon':
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polys = []
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for coords in rec['geometry']['coordinates']:
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poly = Polygon(coords[0])
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polys.append(poly)
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index.index_polygon(i, poly)
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multi_poly = index.simplify_polygon(MultiPolygon(polys))
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index.add_polygon(multi_poly, dict(rec['properties']), include_only_properties=include_props)
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else:
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continue
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i += 1
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return index
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@classmethod
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def create_with_quattroshapes(cls, quattroshapes_dir,
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output_dir,
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index_filename=DEFAULT_INDEX_FILENAME,
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polys_filename=DEFAULT_POLYS_FILENAME):
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admin0_filename = os.path.join(quattroshapes_dir, cls.COUNTRIES_FILENAME)
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admin1_filename = os.path.join(quattroshapes_dir, cls.ADMIN1_FILENAME)
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admin1r_filename = os.path.join(quattroshapes_dir, cls.ADMIN1_REGION_FILENAME)
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admin2_filename = os.path.join(quattroshapes_dir, cls.ADMIN2_FILENAME)
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admin2r_filename = os.path.join(quattroshapes_dir, cls.ADMIN2_REGION_FILENAME)
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local_admin_filename = os.path.join(quattroshapes_dir, cls.LOCAL_ADMIN_FILENAME)
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localities_filename = os.path.join(quattroshapes_dir, cls.LOCALITIES_FILENAME)
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neighborhoods_filename = os.path.join(quattroshapes_dir, cls.NEIGHBORHOODS_FILENAME)
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return cls.create_from_shapefiles([admin0_filename, admin1_filename, admin1r_filename,
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admin2_filename, admin2r_filename, local_admin_filename,
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localities_filename, neighborhoods_filename],
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output_dir, index_filename=index_filename,
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polys_filename=polys_filename)
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def sort_level(self, i):
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props, p = self.polygons[i]
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return self.sort_levels.get(props[self.LEVEL], 0)
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def get_candidate_polygons(self, lat, lon):
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candidates = OrderedDict.fromkeys(self.index.intersection((lon, lat, lon, lat))).keys()
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return sorted(candidates, key=self.sort_level, reverse=True)
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if __name__ == '__main__':
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# Handle argument parsing here
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parser = argparse.ArgumentParser()
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parser.add_argument('-q', '--quattroshapes-dir',
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help='Path to quattroshapes dir')
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parser.add_argument('-o', '--out-dir',
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default=os.getcwd(),
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help='Output directory')
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args = parser.parse_args()
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index = ReverseGeocoder.create_with_quattroshapes(args.quattroshapes_dir, args.out_dir)
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index.save()
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