OSMnx : how to provide more complex feature into the custom_filter parameter

问题

I would like to pass some overpass request into ox.graph_from_place, but I don't really understand how it works with the doc.

I would like to create a graph with 2 types of roads (where the buses can pass and where the psv can pass too)

Am'i obliged to join my 2 graphs ? Or Is there a more direct method ?

G1 = ox.graph_from_place('Marseille, France', retain_all=True, custom_filter='["bus"="yes"]')

G2 = ox.graph_from_place('Marseille, France', retain_all=True, custom_filter='["psv"="yes"]')

Gtot = nx.disjoint_union(G1,G2)

Does someone know the answer?

Have a good day

回答1:

As OSMnx does not include a customizable union operator for multiple keys in its querying apparatus, your best bet is indeed to make two queries then combine them. But you should use the compose function to do so:

import networkx as nx
import osmnx as ox
ox.config(use_cache=True, log_console=True)

place = 'Marseille, France'
G1 = ox.graph_from_place(place, network_type='drive', retain_all=True, custom_filter='["bus"="yes"]')
G2 = ox.graph_from_place(place, network_type='drive', retain_all=True, custom_filter='["psv"="yes"]')
G = nx.compose(G1, G2)
print(len(G1), len(G2), len(G)) #784 141 855

See also https://stackoverflow.com/a/62239377/7321942 and https://stackoverflow.com/a/62883614/7321942

来源：https://stackoverflow.com/questions/62699216/osmnx-how-to-provide-more-complex-feature-into-the-custom-filter-parameter