def test_pois():
import pytest
# download all points of interests from place
gdf = ox.pois_from_place(place='Kamppi, Helsinki, Finland')
# get all restaurants and schools from place
restaurants = ox.pois_from_place(place='Emeryville, California, USA', amenities=['restaurant'])
schools = ox.pois_from_place(place='Emeryville, California, USA', amenities=['school'])
# get all universities from Boston area (with 2 km buffer to cover also Cambridge)
boston_q = "Boston, Massachusetts, United States of America"
boston_poly = ox.gdf_from_place(boston_q, buffer_dist=2000)
universities = ox.pois_from_polygon(boston_poly.geometry.values[0], amenities=['university'])
# by point and by address
restaurants = ox.pois_from_point(point=(42.344490, -71.070570), distance=1000, amenities=['restaurant'])
restaurants = ox.pois_from_address(address='Emeryville, California, USA', distance=1000, amenities=['restaurant'])
# should raise an exception
# polygon or -north, south, east, west- should be provided
with pytest.raises(ValueError):
ox.create_poi_gdf(polygon=None, north=None, south=None, east=None, west=None)
gdf = ox.pois_from_place(place='kusatsu, shiga, japan', which_result=2)
def get_trail_pois_for_polygon(self, polygon: Polygon):
useful_tags_node = ox.settings.useful_tags_node
useful_tags_node.extend(
['historic', 'wikipedia', 'tourism', 'backcountry'])
ox.config(useful_tags_node=useful_tags_node)
tags = {
'amenity': [
'shelter',
'shower',
'toilets',
],
'natural': [
'peak',
'saddle',
],
'toilets:disposal': [
'pitlatrine',
'flush',
],
'tourism': [
'alpine_hut',
'camp_site',
'picnic_site',
'viewpoint',
'wilderness_hut',
],
} # yapf: ignore
gdf = ox.create_poi_gdf(polygon=polygon, tags=tags)
# Some geometries are polygons, so replace geometry with its centroid.
# For Points this makes no difference; for Polygons, this takes the
# centroid.
gdf.geometry = gdf.geometry.centroid
# TODO: keep only useful columns?
return gdf
def get_town_pois_for_polygon(self, polygon: Polygon):
"""Get Point of Interests from OSM for polygon
Note: this function requires https://github.com/gboeing/osmnx/pull/342
to be merged. For now, I use my own fork.
Args:
- polygon: polygon to search within
- poi_type: either 'town', 'trail', or None.
"""
useful_tags_node = ox.settings.useful_tags_node
useful_tags_node.extend([
'historic', 'wikipedia', 'tourism', 'internet_access',
'washing_machine', 'phone', 'website'
])
ox.config(useful_tags_node=useful_tags_node)
tags = {
'amenity': [
# Sustenance
'bar',
'biergarten',
'cafe',
'drinking_water',
'fast_food',
'ice_cream',
'pub',
'restaurant',
# Financial
'atm',
'bank',
# Healthcare
'clinic',
'hospital',
'pharmacy',
# Others
'post_office',
'ranger_station',
'shower',
'toilets',
],
'shop': [
# Food, beverages
'bakery',
'convenience',
# General store, department store, mall
'general',
'supermarket',
'wholesale',
# Outdoors and sport, vehicles '',
'outdoor',
'sports',
# Others
'laundry',
],
'tourism': [
'camp_site',
'hostel',
'hotel',
'motel',
'picnic_site',
],
} # yapf: ignore
gdf = ox.create_poi_gdf(polygon=polygon, tags=tags)
# Drop a couple columns
keep_cols = [
'osmid', 'geometry', 'name', 'amenity', 'tourism', 'shop',
'website', 'cuisine', 'opening_hours', 'brand:wikidata',
'internet_access', 'internet_access:fee', 'addr:housenumber',
'addr:street', 'addr:unit', 'addr:city', 'addr:state',
'addr:postcode'
]
keep_cols = [x for x in keep_cols if x in gdf.columns]
gdf = gdf.filter(items=keep_cols, axis=1)
if len(gdf) == 0:
return gdf
# Keep only rows with a non-missing name
if 'name' in gdf.columns:
gdf = gdf.loc[gdf['name'].notna()]
if len(gdf) == 0:
return gdf
# Some geometries are polygons, so replace geometry with its centroid.
# For Points this makes no difference; for Polygons, this takes the
# centroid.
gdf.geometry = gdf.geometry.centroid
return gdf